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Sökning: WFRF:(Inghammar Malin)

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1.
  • Bjork, Jonas, et al. (författare)
  • COVID-19 vaccine effectiveness against severe disease from the Omicron BA.1 and BA.2 subvariants: surveillance results from southern Sweden, December 2021 to March 2022
  • 2022
  • Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
    • We compared vaccine effectiveness (VE) against severe COVID-19 during calendar periods from December 2021 to March 2022 when Omicron BA.1 and BA.2, respectively, were the dominating virus variants in Scania county, Sweden. We used continuous density case-control sampling matched for sex and age, and with further adjustment for differences in comorbidities and prior infection. VE remained relatively stable after the transition from BA.1 to BA.2 among people with at least three doses but decreased markedly among those with only two doses. Protection from prior infection was also lower after the transition to BA.2. These findings suggest that booster vaccination is needed to maintain sufficient protection against severe COVID-19.Competing Interest StatementThe authors have declared no competing interest.Funding StatementThis study was supported by Swedish Research Council (VR; grant numbers 2019-00198 and 2021-04665), Sweden's Innovation Agency (Vinnova; grant number 2021-02648) and by internal grants for thematic collaboration initiatives at Lund University held by JB and MI. FK is supported by grants from the Swedish Research Council and Governmental Funds for Clinical Research (ALF), and CB is supported by Swedish Research Council for Health, Working life and Welfare (Forte; grant number 2020-00962). The funders played no role in the design of the study, data collection or analysis, decision to publish, or preparation of the manuscript.Author DeclarationsI confirm all relevant ethical guidelines have been followed, and any necessary IRB and/or ethics committee approvals have been obtained.YesThe details of the IRB/oversight body that provided approval or exemption for the research described are given below:Ethical approval was obtained from the Swedish Ethical Review Authority (2021-00059).I confirm that all necessary patient/participant consent has been obtained and the appropriate institutional forms have been archived, and that any patient/participant/sample identifiers included were not known to anyone (e.g., hospital staff, patients or participants themselves) outside the research group so cannot be used to identify individuals.YesI understand that all clinical trials and any other prospective interventional studies must be registered with an ICMJE-approved registry, such as ClinicalTrials.gov. I confirm that any such study reported in the manuscript has been registered and the trial registration ID is provided (note: if posting a prospective study registered retrospectively, please provide a statement in the trial ID field explaining why the study was not registered in advance).Yes I have followed all appropriate research reporting guidelines and uploaded the relevant EQUATOR Network research reporting checklist(s) and other pertinent material as supplementary files, if applicable.YesAggregated surveillance data from the present study are publicly available.https://sodrasjukvardsregionen.se/kliniskastudier/covid-vacciner-skyddseffekt/
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3.
  • Björk, Jonas, et al. (författare)
  • Effectiveness of the BNT162b2 vaccine in preventing COVID-19 in the working age population – first results from a cohort study in Southern Sweden
  • 2021
  • Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
    • Background Vaccine effectiveness against COVID-19 needs to be assessed in diverse real-world population settings.Methods A cohort study of 805 741 residents in Skåne county, Southern Sweden, aged 18-64 years, of whom 26 587 received at least one dose of the BNT162b2 vaccine. Incidence rates of COVID-19 were estimated in sex- and age-adjusted analysis and stratified in two-week periods with substantial community spread of the disease.Results The estimated vaccine effectiveness in preventing infection ≥7 days after second dose was 86% (95% CI 72-94%) but only 42% (95% CI 14-63%) ≥14 days after a single dose. No difference in vaccine effectiveness was observed between females and males. Having a prior positive test was associated with 91% (95% CI 85 to 94%) effectiveness against new infection among the unvaccinated.Conclusion A satisfactory effectiveness of BNT162b2 after the second dose was suggested, but with possibly substantially lower effect before the second dose.Competing Interest StatementThe authors have declared no competing interest.Funding StatementThis study was supported by an internal grant for thematic collaboration initiatives at Lund University held by JB, and by Swedish Research Council (VR; grant number 2019-00198). FK is supported by grants from the Swedish Research Council and Governmental Funds for Clinical Research (ALF). The funders played no role in the design of the study, data collection or analysis, decision to publish, or preparation of the manuscript.Author DeclarationsI confirm all relevant ethical guidelines have been followed, and any necessary IRB and/or ethics committee approvals have been obtained.YesThe details of the IRB/oversight body that provided approval or exemption for the research described are given below:Ethical approval was obtained from the Swedish Ethical Review Authority (2021-00059). As the study is register-based, individual participant consent was not necessary.All necessary patient/participant consent has been obtained and the appropriate institutional forms have been archived.YesI understand that all clinical trials and any other prospective interventional studies must be registered with an ICMJE-approved registry, such as ClinicalTrials.gov. I confirm that any such study reported in the manuscript has been registered and the trial registration ID is provided (note: if posting a prospective study registered retrospectively, please provide a statement in the trial ID field explaining why the study was not registered in advance).YesI have followed all appropriate research reporting guidelines and uploaded the relevant EQUATOR Network research reporting checklist(s) and other pertinent material as supplementary files, if applicable.YesThe dataset used in the present study is hosted by Scania county council, Sweden. Legal and ethical restrictions prevent public sharing of the dataset. Data can be made available for collaborations upon request to interested researchers but would generally require a new ethical permission.
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4.
  • Björk, Jonas, et al. (författare)
  • High level of protection against COVID-19 after two doses of BNT162b2 vaccine in the working age population–first results from a cohort study in Southern Sweden
  • 2022
  • Ingår i: Infectious Diseases. - : Informa UK Limited. - 2374-4235 .- 2374-4243. ; 54:2, s. 128-133
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Vaccine effectiveness against COVID-19 needs to be assessed in diverse real-world population settings. Methods: A cohort study of 805,741 residents in Skåne county, Southern Sweden, aged 18–64 years, of whom 26,587 received at least one dose of the BNT162b2 vaccine. Incidence rates of COVID-19 were estimated in sex- and age-adjusted analysis and stratified in two-week periods with substantial community spread of the disease. Results: The estimated vaccine effectiveness in preventing infection ≥7 days after second dose was 86% (95% CI 72–94%) but only 42% (95% CI 14–63%) ≥14 days after a single dose. No difference in vaccine effectiveness was observed between females and males. Having a prior positive test was associated with 91% (95% CI 85–94%) effectiveness against new infection among the unvaccinated. Conclusion: A satisfactory effectiveness of BNT162b2 after the second dose was suggested, but with possibly substantially lower effect before the second dose.
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5.
  • Björk, Jonas, et al. (författare)
  • Surveillance of COVID-19 vaccine effectiveness : A real-time case-control study in southern Sweden
  • 2022
  • Ingår i: Epidemiology and Infection. - 0950-2688. ; 150
  • Tidskriftsartikel (refereegranskat)abstract
    • The extensive register infrastructure available for coronavirus disease 2019 surveillance in Scania county, Sweden, makes it possible to classify individual cases with respect to hospitalisation and disease severity, stratify on time since last dose and demographic factors, account for prior infection and extract data for population controls automatically. In the present study, we developed a case-control sampling design to surveil vaccine effectiveness (VE) in this ethnically and socioeconomically diverse population with more than 1.3 million inhabitants. The first surveillance results show that estimated VE against hospitalisation and severe disease 0-3 months after the last dose remained stable during the study period, but waned markedly 6 months after the last dose in persons aged 65 years or over.
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6.
  • Blomquist, Axel, et al. (författare)
  • Persistent Aspergillus fumigatus infection in cystic fibrosis : impact on lung function and role of treatment of asymptomatic colonization-a registry-based case-control study
  • 2022
  • Ingår i: BMC Pulmonary Medicine. - : Springer Science and Business Media LLC. - 1471-2466. ; 22:1
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Aspergillus fumigatus is the most common filamentous fungus isolated from the airways of people with cystic fibrosis (CF). The aim of this study was to investigate how chronic A. fumigatus colonization affects lung function in people with CF, to identify risk factors for colonization, and to evaluate antifungal treatment of asymptomatic Aspergillus colonization.METHODS: Data from 2014-2018 was collected from the Swedish CF registry and medical records. Baseline data before the start of A. fumigatus colonization was compared with the two succeeding years to evaluate how colonization and treatment affected lung function and other clinical aspects.RESULTS: A total of 437 patients were included, of which 64 (14.6%) became colonized with A. fumigatus during the study period. Inhaled antibiotics was associated with A. fumigatus colonization (adjusted OR 3.1, 95% CI 1.6-5.9, p < 0.05). Fungal colonization was not associated with a more rapid lung function decline or increased use of IV-antibiotics compared to the non-colonized group, but patients with A. fumigatus had more hospital days, a higher increase of total IgE, and higher eosinophil counts. In the Aspergillus group, 42 patients were considered to be asymptomatic. Of these, 19 patients received antifungal treatment. Over the follow up period, the treated group had a more pronounced decrease in percent predicted Forced Expiratory Volume in one second (ppFEV1) compared to untreated patients (- 8.7 vs - 1.4 percentage points, p < 0.05).CONCLUSION: Inhaled antibiotics was associated with A. fumigatus colonization, but no association was found between persistent A. fumigatus and subsequent lung function decline. No obvious benefits of treating asymptomatic A. fumigatus colonization were demonstrated.
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7.
  • Bonander, Carl, et al. (författare)
  • A regression discontinuity analysis of the social distancing recommendations for older adults in Sweden during COVID-19.
  • 2022
  • Ingår i: European Journal of Public Health. - : Oxford University Press. - 1101-1262 .- 1464-360X. ; 32:5, s. 799-806
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: This paper investigates the impact of a non-mandatory and age-specific social distancing recommendation on isolation behaviors and disease outcomes in Sweden during the first wave of the COVID-19 pandemic (March to July, 2020). The policy stated that people aged 70 years or older should avoid crowded places and contact with people outside the household.METHODS: We used a regression discontinuity design-in combination with self-reported isolation data from COVID Symptom Study Sweden (n = 96,053; age range: 39-79 years) and national register data (age range: 39-100+ years) on severe COVID-19 disease (hospitalization or death, n = 21,804) and confirmed cases (n = 48,984)-to estimate the effects of the policy.RESULTS: Our primary analyses showed a sharp drop in the weekly number of visits to crowded places (-13%) and severe COVID-19 cases (-16%) at the 70-year-threshold. These results imply that the age-specific recommendations prevented approximately 1,800 to 2,700 severe COVID-19 cases, depending on model specification.CONCLUSION: It seems that the non-mandatory, age-specific recommendations helped control COVID-19 disease during the first wave of the pandemic in Sweden, as opposed to not implementing a social distancing policy aimed at older adults. Our study provides empirical data on how populations may react to non-mandatory, age-specific social distancing policies in the face of a novel virus.SUPPLEMENTARY MATERIAL: Online appendix with figures, tables, extra methods and results.
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8.
  • Borand, Laurence, et al. (författare)
  • Isolation of Nontuberculous Mycobacteria in Southeast Asian and African Human Immunodeficiency Virus-infected Children with Suspected Tuberculosis
  • 2019
  • Ingår i: Clinical Infectious Diseases. - : Oxford University Press (OUP). - 1058-4838 .- 1537-6591. ; 68:10, s. 1750-1753
  • Tidskriftsartikel (refereegranskat)abstract
    • We enrolled 427 human immunodeficiency virus-infected children (median age, 7.3 years), 59.2% severely immunodeficient, with suspected tuberculosis in Southeast Asian and African settings. Nontuberculous mycobacteria were isolated in 46 children (10.8%); 45.7% of isolates were Mycobacterium avium complex. Southeast Asian origin, age 5-9 years, and severe immunodeficiency were independently associated with nontuberculous mycobacteria isolation.
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9.
  • Börjesson, Anna, et al. (författare)
  • Early treatment with lexipafant, a platelet-activating factor-receptor antagonist, is not sufficient to prevent pulmonary endothelial damage after intestinal ischaemia and reperfusion in rats.
  • 2002
  • Ingår i: Digestive and Liver Disease. - 1590-8658. ; 34:3, s. 190-196
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Intestinal ischaemia-reperfusion can lead to pulmonary injury characterised by increased macromolecular leakage and leukocyte sequestration. Important mediators of ischaemia-reperfusion-associated injury include polymorphonuclear granulocytes and platelet-activating factor. AIM: To investigate the potential therapeutic inhibition of platelet-activating factor in intestinal ischaemia-reperfusion associated pulmonary injury, by use of a potent platelet-activating factor-receptor antagonist, lexipafant. METHODS: Rats were subjected to 30 minutes of intestinal ischaemia followed by 3 or 12 hours reperfusion. Lexipafant or saline was given intraperitoneally after 30 minutes reperfusion. RESULTS: Increased leakage of radiolabelled human serum albumin was found in the lungs after intestinal ischaemia followed by 3 or 12 hours reperfusion. Administration of lexipafant did not significantly prevent the increased leakage. Pulmonary myeloperoxidase content increased after intestinal ischaemia-reperfusion, indicating polymorphonuclear granulocyte sequestration through the pulmonary endothelium. The increase in interleukin-1beta seen after 3 hours reperfusion was partly reversed by lexipafant. CONCLUSIONS: Pulmonary injury occurred following intestinal ischaemia-reperfusion, characterised by increased leakage of radiolabelled albumin over the endothelial barrier; correlating with increased pulmonary myeloperoxidase-content, implying involvement of polymorphonuclear granulocytes in the pathogenesis of remote organ injury after intestinal ischaemia-reperfusion. Lexipafant did not significantly decrease severity of pulmonary damage.
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  • de Lauzanne, Agathe, et al. (författare)
  • Prevalence and factors associated with faecal carriage of extended-spectrum β-lactamase-producing Enterobacterales among peripartum women in the community in Cambodia
  • 2022
  • Ingår i: The Journal of antimicrobial chemotherapy. - : Oxford University Press (OUP). - 1460-2091 .- 0305-7453. ; 77:10, s. 2658-2666
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: In Southeast-Asia, where many conditions associated with dissemination of ESBL-producing Enterobacterales (ESBL-E) in the community are met, data from the community are scarce but show high ESBL-E carriage prevalence. Maternal ESBL-E colonization is considered a risk factor for neonatal colonization, which is the first step towards developing neonatal sepsis. Despite this, ESBL-E carriage prevalence and its risk factors during pregnancy or postpartum remain undefined in Southeast-Asia. OBJECTIVES: To estimate the prevalence of ESBL-E faecal colonization among peripartum women in the community of an urban and a rural area in Cambodia, to investigate ESBL-E genomic characteristics and to identify associated risk factors. METHODS: Epidemiological data and faecal samples from 423 peripartum women were collected in an urban and rural areas in Cambodia (2015-16). Bacterial cultures, antibiotic susceptibility tests and ESBL gene sequencing were performed. Risk factor analysis was conducted using logistic regression. RESULTS: The prevalence of ESBL-E faecal carriage was 79.2% (95% CI 75.0%-82.8%) among which Escherichia coli (n = 315/335, 94.0%) were most frequent. All isolates were multidrug resistant. Among 318 ESBL-E, the genes most frequently detected were blaCTX-M-15 (41.5%), blaCTX-M-55 (24.8%), and blaCTX-M-27 (15.1%). Low income, undernutrition, multiparity, regular consumption of pork, dried meat, and raw vegetables, were associated with ESBL-E faecal carriage. CONCLUSIONS: The high prevalence of ESBL-E carriage observed among peripartum women in Southeast-Asia and the identified associated factors underline the urgent need for public health measures to address antimicrobial resistance, including a 'One Health' approach.
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11.
  • Dietler, Dominik, et al. (författare)
  • Waning protection after vaccination and prior infection against COVID-19-related mortality over 18 months
  • 2023
  • Ingår i: Clinical Microbiology and Infection. - 1469-0691. ; 29:12, s. 1573-1580
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: Evidence on waning patterns in protection from vaccine-induced, infection-induced, and hybrid immunity against death is scarce. The aim of this study is to assess the temporal trends in protection against mortality.METHODS: Population-based case-control study nested in the total population of Scania Region, Sweden using individual-level registry data of COVID-19-related deaths (<30 days after positive SARS-CoV-2 test) between 27 December 2020 and 3 June 2022. Controls were matched for age, sex, and index date. Conditional logistic regression was used to estimate the preventable fraction (PF) from vaccination (PF vac corresponding to vaccine effectiveness; ≥2 vaccine doses vs. 0 doses), prior infection (PF inf), and hybrid immunity (PF hybrid). PF was calculated as one minus odds ratio. Models were adjusted for comorbidities, long-term care facility residence, prior infection (for PF vac), country of birth, socio-economic conditions, and time since last vaccination (for PF inf). RESULTS: In total, 14 936 individuals (1440 COVID-19-related deaths and 13 496 controls) were included in the case-control analyses (45% females, median age: 84 years). PF vac was above 90% during the first month after vaccination, regardless of the number of vaccine doses. After 6 months, PF vac of two doses waned to 34% (95% CI: -30% to 66%). PF inf for people surviving a SARS-CoV-2 infection waned from 88% (-16% to 99%) 3 months after infection to 62% (34-79%) after 9 months. No differences in waning patterns in PF vac were seen between virus variants, gender, and age. DISCUSSION: Given the waning of protection against death, continuous surveillance of population immunity status, particularly among the most vulnerable population groups, could help to further fine-tune vaccination recommendations.
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12.
  • Egesten, Arne, et al. (författare)
  • Increased Prevalence of Multiple Sclerosis Among COPD Patients and Their First-Degree Relatives: A Population-based Study.
  • 2008
  • Ingår i: Lung. - : Springer Science and Business Media LLC. - 1432-1750 .- 0341-2040. ; 186, s. 173-178
  • Tidskriftsartikel (refereegranskat)abstract
    • In both chronic obstructive pulmonary disease (COPD) and multiple sclerosis (MS), combinations of environmental and genetic factors are likely to increase the vulnerability to acquire disease. This study was undertaken to investigate any possible comorbidity of COPD and MS, thus indicating common inflammatory vulnerability. Individuals with a diagnosis of COPD (including chronic bronchitis and emphysema) during 1987-2002, according to the Swedish Inpatient and Cause of Death Registers, were identified (180,239 individuals). Thereafter, controls and first-degree relatives of both cases and controls were identified. Finally, all individuals were compared with the Inpatient Register to identify individuals discharged with a diagnosis of MS. In the COPD cohort, there was a more than twofold increased risk of MS compared with controls (HR 2.51; 95% CI 2.13-2.98). The risk of MS was even more pronounced among individuals discharged with a diagnosis of COPD before 60 years of age (HR 6.37; 95% CI 3.58-9.68). There was also an increased risk of MS among mothers (HR 2.24; 95% CI 1.04-4.61) and siblings (HR 1.50; 95% CI 1.08-2.08) of COPD patients. This study indicates that COPD and MS have an inflammatory vulnerability in common, at least in a subgroup of patients. These diseases may share inflammatory pathways, including predisposing variants of genes.
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13.
  • Fraenkel, Carl Johan, et al. (författare)
  • Incidence of Hospital Norovirus Outbreaks and Infections Using 2 Surveillance Methods in Sweden
  • 2017
  • Ingår i: Infection Control & Hospital Epidemiology. - : Cambridge University Press (CUP). - 0899-823X .- 1559-6834. ; 38:1, s. 96-102
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE To evaluate 2 different methods of surveillance and to estimate the incidence of norovirus (NoV) outbreaks in hospitals. DESIGN Prospective observational study. SETTING All 194 hospital wards in southern Sweden during 2 winter seasons (2010-2012). METHODS Clinical surveillance based on outbreak reports of 2 or more clinical cases, with symptom onset within 5 days, was compared with laboratory surveillance based on positive NoV results among inpatients. At least 2 NoV positive patients sampled within 5 days at a ward defined a cluster. Outbreak reports including at least 1 NoV positive case and clusters including at least 1 NoV positive patient with 5 or more days from ward admission to sampling were defined as NoV outbreaks. RESULTS During the study periods 135 NoV outbreaks were identified; 74 were identified by both clinical and laboratory surveillance, 18 were identified only by outbreak reports, and 43 were identified only by laboratory surveillance. The outbreak incidence was 1.0 (95% CI, 0.8-1.2) and 0.5 (95% CI, 0.3-0.6) per 1,000 admissions for the 2 different seasons, respectively. To correctly identify NoV outbreaks, the sensitivity and positive predictive value of the clinical surveillance were 68% and 88% and of the laboratory surveillance were 86% and 81%, respectively. CONCLUSION The addition of laboratory surveillance significantly improves outbreak surveillance and provides a more complete estimate of NoV outbreaks in hospitals. Laboratory surveillance can be recommended for evaluation of clinical surveillance.
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14.
  • Hellström-Westas, Lena, et al. (författare)
  • Short term effects of incubator covers on quiet sleep in stable premature infants
  • 2001
  • Ingår i: Acta Pædiatrica. - : Wiley. - 1651-2227 .- 0803-5253. ; 90:9, s. 1004-1008
  • Tidskriftsartikel (refereegranskat)abstract
    • Incubator covers are increasingly being used in neonatal care as part of minimal disturbance strategies. The aim of this study was to examine possible effects of incubator covers on sleep patterns in stable premature infants. Quiet sleep (QS) can be investigated by amplitude-integrated electroencephalography (aEEG) at 32–34 weeks gestational age. In nine premature infants (gestational ages 26–32 weeks, median 29) QS periods were measured at a postconceptional age of 32–34 weeks (median 34) during two consecutive 24 h periods, one period with a padded dark cover over the incubator and one period without the cover, in a randomized order. There were no significant differences between the two 24 h periods (with incubator cover and without cover, respectively) regarding the duration of the QS periods, the percentage of QS of the total recording time (% QS) or the duration of QS intervals. However, there was a positive correlation between postnatal age in days and the mean duration of QS periods when incubator covers were used (r = 0.90, p = 0.001). When the covers were used there was a difference between the girls and the boys in the duration of QS intervals (p = 0.032); the QS intervals increased in the five girls from median (range) 63.2 (49.4–94.6) min to 77.2 (59.3–100.9) min (p = 0.043). There was no difference in the duration of QS periods between girls and boys. Conclusion: Incubator covers seem to have some short-term effects on sleep quality in premature infants but the clinical significance and possible long-term effects are not known.
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15.
  • Inghammar, Malin, et al. (författare)
  • Community-acquired pneumonia and Gram-negative bacilli in Cambodia-incidence, risk factors and clinical characteristics
  • 2018
  • Ingår i: Transactions of the Royal Society of Tropical Medicine and Hygiene. - : Oxford University Press (OUP). - 0035-9203 .- 1878-3503. ; 112:2, s. 57-63
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: In Western settings, community-acquired pneumonia (CAP) due to Gram-negative bacilli (GNB) is relatively rare. Previous studies from Asia, however, indicate a higher prevalence of GNB in CAP, but data, particularly from Southeast Asia, are limited. Methods: This is a prospective observational study of 1451 patients ≥15 y of age with CAP from two hospitals in Cambodia between 2007 and 2010. The proportion of GNB was estimated. Risk factors and clinical characteristics of CAP due to GNB were assessed using logistic regression models. Results: The prevalence of GNB was 8.6% in all CAP patients and 15.8% among those with a valid respiratory sample. GNB infection was independently associated with diabetes, higher leucocyte count and CAP severity. Mortality was higher in patients with CAP due to GNB. Conclusions: We found a high proportion of GNB in a population hospitalized for CAP in Cambodia. Given the complex antimicrobial sensitivity patterns of certain GNBs and the rapid emergence of multidrug-resistant GNB, microbiological laboratory capacity should be strengthened and prospective clinical trials comparing empiric treatment algorithms according to the severity of CAP are needed.
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16.
  • Inghammar, Malin, et al. (författare)
  • COPD and the risk of tuberculosis--a population-based cohort study.
  • 2010
  • Ingår i: PLoS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 5:4
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Both chronic obstructive pulmonary disease (COPD) and tuberculosis (TB) primarily affect the lungs and are major causes of morbidity and mortality worldwide. COPD and TB have common risk factors such as smoking, low socioeconomic status and dysregulation of host defence functions. COPD is a prevalent co-morbid condition, especially in elderly with TB but in contrast to other diseases known to increase the risk of TB, relatively little is known about the specific relationship and impact from COPD on TB-incidence and mortality. METHODS AND FINDINGS: All individuals > or = 40 years of age, discharged with a diagnosis of COPD from Swedish hospitals 1987-2003 were identified in the Swedish Inpatient Register (n = 115,867). Records were linked to the Swedish Tuberculosis Register 1989-2007 and the relative risk of active TB in patients with COPD compared to control subjects randomly selected from the general population (matched for sex, year of birth and county of residence) was estimated using Cox regression. The analyses were stratified by year of birth, sex and county of residence and adjusted for immigration status, socioeconomic status (SES) and inpatient co-morbidities previously known to increase the risk of TB. COPD patients had a three-fold increased hazard ratio (HR) of developing active TB (HR 3.0 (95% confidence interval 2.4 to 4.0)) that was mainly dependent on an increased risk of pulmonary TB. In addition, logistic regression estimates showed that COPD patients who developed active TB had a two-fold increased risk of death from all causes within first year after the TB diagnosis compared to the general population control subjects with TB (OR 2.2, 95% confidence interval 1.2 to 4.1). CONCLUSIONS: This population-based study comprised of a large number of COPD patients shows that these patients have an increased risk of developing active TB compared to the general population. The results raise concerns that the increasing global burden of COPD will increase the incidence of active TB. The underlying contributory factors need to be disentangled in further studies.
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17.
  • Inghammar, Malin (författare)
  • Epidemiological studies of severe infections in COPD
  • 2013
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • It is well known that patients with COPD have an increased risk of lower respiratory tract infections, but less is known about the association with other infections. The aim of this thesis was to explore epidemiological aspects of severe infections in COPD, using public registries in Sweden. In the first study, incidence rates of tuberculosis were compared in all individuals discharged with COPD, 1987-2003, with reference individuals from the general population. COPD patients were found to have a three-fold increased incidence of active tuberculosis. In the second study, incidence rates of tuberculosis were examined in participants in a health screening programme 1974-1992 who performed a spirometry at baseline. The risk of tuberculosis was found to be inversely correlated with the level of lung function. In the third study, a discharge diagnosis of COPD was validated against the original medical files. The degree of certainty of the COPD-diagnosis varied and around 10% were considered to be misclassified. In the fourth study, we compared the incidence rates of bacteraemia in individuals discharged with a COPD diagnosis, 1990-2003, and controls. COPD patients had a 2.5-fold increased incidence of bacteraemia which was paralleled by an increased risk of hospitalisation for infectious diseases. In the fifth study, the association between invasive pneumococcal disease and an underlying pulmonary disease was assessed, comparing pneumococcal cases from Southern Sweden, 1990-2008, to controls. Several chronic pulmonary diseases increased the risk of invasive pneumococcal disease but did not influence the mortality risk. Our findings show that COPD confers susceptibility to a broad spectrum of severe infections. Increased awareness could benefit these patients, reducing morbidity and mortality.
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19.
  • Inghammar, Malin, et al. (författare)
  • Increased incidence of invasive bacterial disease in chronic obstructive pulmonary disease compared to the general population-a population based cohort study
  • 2014
  • Ingår i: BMC Infectious Diseases. - : Springer Science and Business Media LLC. - 1471-2334. ; 14
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Innate defence mechanisms of the airways are impaired in chronic obstructive pulmonary disease (COPD), predisposing patients to lower respiratory tract infections, but less is known about the association with other infections. In this population-based cohort study, we investigated the associations between COPD and invasive bacterial disease by comparing incidence rates of bacteraemia in COPD patients and randomly selected reference individuals from the general population. Methods: In this population based cohort study all patients with COPD, >= 40 years of age, who were discharged from hospitals in southern Sweden between 1990 and 2003 were identified in the Swedish Inpatient Register (n = 15,403). Age and gender matched reference individuals were randomly selected from the general population. Records were cross-referenced to the microbiological databases covering the region, 1990-2010. The hazard ratios (HR) of bloodstream infections and hospitalisations for infections were estimated by Cox proportional hazards regression. Results: We found that individuals with COPD had a 2.5-fold increased incidence of bacteraemia compared to the reference individuals from the general population adjusted for other co-morbidity and socio-economic status (hazard ratio: 2.5, 95% confidence interval: 2.2-2.7). The increased incidence of bacteraemia was paralleled by an increased incidence of hospitalisation for non-respiratory infections, i.e., skin infections, pyelonephritis, or septic arthritis. Despite higher absolute rates of bloodstream infections among COPD patients than among the general population, the distribution of different pathogens was similar. Conclusions: In summary this population-based study shows COPD is associated with an increased incidence of invasive bacterial infections compared to the general population, indicating a general frailty of acquiring severe infections in addition to the specific susceptibility to infections of respiratory origin. The underlying contributory factors (e. g. smoking, corticosteroid use, co-morbid diseases or a frailty inherent to COPD itself) need to be disentangled in further studies.
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20.
  • Inghammar, Malin, et al. (författare)
  • Invasive pneumococcal disease in patients with an underlying pulmonary disorder.
  • 2013
  • Ingår i: Clinical Microbiology and Infection. - : Elsevier BV. - 1469-0691 .- 1198-743X. ; 19:12, s. 1148-1154
  • Tidskriftsartikel (refereegranskat)abstract
    • Chronic pulmonary disease is a recognized risk factor for invasive pneumococcal disease (IPD). However, previous studies have often not been large enough to allow detailed analyses of less prevalent pulmonary diseases, and findings regarding case fatality have been inconsistent. We examined the associations between an underlying pulmonary disease and IPD, and the impact of these diseases on the case fatality rate. Patients with IPD ≥18 years of age, between 1990 and 2008, were identified in microbiological databases. The associations between IPD and the pulmonary diseases were assessed using conditional logistic regression, comparing IPD cases to ten control subjects per case, randomly selected from the general population (matched for gender, year of birth and county of residence). Adjustments were made for other co-morbidities, level of education and socio-economic status, 4085 cases of IPD and 40 353 controls were identified. A more than four-fold increased risk of IPD was seen in chronic obstructive pulmonary disease, a doubled risk in asthma and a five-fold increased risk in subjects with pulmonary fibrosis. In univariate analysis, sarcoidosis and bronchiectasis were associated with a two-fold to seven-fold increase in the risk of IPD, but there was no statistical support for the associations when adjustments for confounders were made. No increased risk was seen in subjects with a history of pneumoconiosis or allergic alveolitis. The mortality following IPD was not increased in patients with chronic obstructive pulmonary disease, asthma, pulmonary fibrosis or bronchiectasis. Several chronic pulmonary diseases increase the risk of IPD but mortality following IPD seems not to be affected.
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21.
  • Inghammar, Malin, et al. (författare)
  • Long-Term Risk of Cardiovascular Death with Use of Clarithromycin and Roxithromycin : A Nationwide Cohort Study
  • 2018
  • Ingår i: American Journal of Epidemiology. - : Oxford University Press (OUP). - 0002-9262 .- 1476-6256. ; 187:4, s. 777-785
  • Forskningsöversikt (refereegranskat)abstract
    • Recent studies have raised concern that macrolide antibiotics may be associated with an increased long-term risk of cardiovascular death. We examined the 1-year risk associated with treatment with clarithromycin (n = 187,887) or roxithromycin (n = 698,899) compared with penicillin V (n = 3,473,081) matched 1:4 on propensity score, in a nationwide, registry-based cohort study in Danish outpatients, 1997-2011. Among clarithromycin courses, the rate ratio for cardiovascular death was 1.24 (95% confidence interval (CI): 0.96, 1.59). Among roxithromycin courses, the rate ratio was 0.99 (95% CI: 0.86, 1.16). In analyses by time after treatment start, the rate ratio associated with clarithromycin was 1.66 (95% CI: 0.98, 2.79) during days 0-7. This was attenuated in later time periods (days 8-89, rate ratio = 1.30, 95% CI: 0.88, 1.94; and days 90-364, rate ratio = 0.96, 95% CI: 0.63, 1.47). For roxithromycin, the rate ratios were 0.88 (95% CI: 0.59, 1.32) during days 0-7, 1.17 (95% CI: 0.92, 1.48) during days 8-89, and 0.88 (95% CI: 0.70, 1.10) during days 90-364. We found no increased risk of cardiovascular death in a general outpatient population. With clarithromycin, we observed a transient increased risk during days 0-7 after treatment start, which corresponds to the period of active treatment. This association was absent in later time periods, which is consistent with no long-term toxicity resulting in cardiovascular death.
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22.
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23.
  • Inghammar, Malin, et al. (författare)
  • Prognostic significance of body temperature in the emergency department vs the ICU in Patients with severe sepsis or septic shock : A nationwide cohort study
  • 2020
  • Ingår i: PLoS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 15:12 December
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Increased body temperature in the Emergency Department (BT-ED) and the ICU (BT-ICU) is associated with lower mortality in patients with sepsis. Here, we compared how well BTED and BT-ICU predict mortality; investigated mortality in various combinations of BT-ED and BT-ICU, and; compared degree of fever in the ED and ICU and associated quality of care. Methods 2385 adults who were admitted to an ICU within 24 hours of ED arrival with severe sepsis or septic shock were included. Results Thirty-day mortality was 23.6%. Median BT-ED and BT-ICU was 38.1 and 37.6°C. Crude mortality decreased more than 5% points per°C increase for both BT-ED and BT-ICU. Adjusted OR for mortality was 0.82/°C increase for BT-ED (0.76-0.88, p < 0.001), and 0.89 for BT-ICU (0.83-0.95, p<0.001). Patients who were at/below median temperature in both the ED and in the ICU had the highest mortality, 32%, and those with over median in the ED and at/below in the ICU had the lowest, 16%, (p<0.001). Women had 0.2°C lower median BT-ED (p = 0.03) and 0.3°C lower BT-ICU (p<0.0001) than men. Older patients had lower BT in the ICU, but not in the ED. Fever was associated with a higher rate of sepsis bundle achievement in the ED, but lower nurse workload in the ICU. Conclusions BT-ED was more useful to prognosticate mortality than BT-ICU. Despite better prognosis in patients with elevated BT, fever was associated with higher quality of care in the ED. Future studies should assess how BT-ED can be used to improve triage of infected patients, assigning higher priority to patients with low-grade/no fever and vice versa. Patients with at/ below median BT in both ED and ICU have the highest mortality and should receive special attention. Different BT according to sex and age also needs further study.
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24.
  • Inghammar, Malin, et al. (författare)
  • Proton-Pump Inhibitor Use and the Risk of Community-Associated Clostridium difficile Infection
  • 2021
  • Ingår i: Clinical Infectious Diseases. - : Oxford University Press (OUP). - 1058-4838 .- 1537-6591. ; 72:12, s. 1084-1089
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Proton-pump inhibitors (PPIs) have been reported to increase the risk of community-associated Clostridium difficile infection (CDI), but the association remains disputed. Methods: A nationwide cohort study among adults in Denmark, 2010-2013, linking register data on C. difficile testing, filled prescriptions, and patient characteristics. All incident episodes of community-associated CDI (ie, positive culture, molecular assay, or toxin test in individuals without previous hospitalization in the prior 12 weeks and without a positive test for C. difficile in the prior 8 weeks) were identified in the Danish National Microbiological Database. Self-controlled case-series analyses were used to estimate incidence rate ratios (IRRs) for community-associated CDI, comparing periods with and without exposure to PPIs. By design, models took fixed confounders such as chronic disease, genetics, and socioeconomic status into account; further, time-varying confounders, including hospital stay and antibiotic and corticosteroid use were adjusted for. Results: 3583 episodes of community-associated CDI were identified, of which 964 occurred during current use of PPIs, 324 occurred 0-6 months after treatment cessation, 123 occurred 6-12 months after treatment cessation, and 2172 occurred during time periods without use of PPIs. The adjusted IRR was 2.03 (95% confidence interval, 1.74-2.36), comparing use of PPI with nonuse. The increased risk remained elevated in later time periods: 1.54 (1.31-1.80) for 0-6 months, 1.24 (1.00-1.53) for 6-12 months after current use. Conclusions: Use of PPIs was associated with moderately increased risk of community-associated CDI. The risk remained elevated up to 1 year after PPI treatment had ended.
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25.
  • Inghammar, Malin, et al. (författare)
  • Recurrent erysipelas - risk factors and clinical presentation.
  • 2014
  • Ingår i: BMC Infectious Diseases. - : Springer Science and Business Media LLC. - 1471-2334. ; 14:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Erysipelas is a common infection that often recurs, but the impact of specific risk factors for reoccurrence remains elusive. In the present study we aimed at clarifying predisposing conditions for reoccurrence.
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26.
  • Inghammar, Malin, et al. (författare)
  • Serotype distribution of clinical streptococcus pneumoniae isolates before the introduction of the 13-valent pneumococcal conjugate vaccine in Cambodia
  • 2018
  • Ingår i: American Journal of Tropical Medicine and Hygiene. - : American Society of Tropical Medicine and Hygiene. - 0002-9637 .- 1476-1645. ; 98:3, s. 791-796
  • Tidskriftsartikel (refereegranskat)abstract
    • Childhood vaccination with the 13-valent pneumococcal conjugate vaccine (PCV13) was introduced in Cambodia in January 2015. Baseline data regarding circulating serotypes are scarce. All microbiology laboratories in Cambodia were contacted for identification of stored isolates of Streptococcus pneumoniae from clinical specimens taken before the introduction of PCV13. Available isolates were serotyped using a multiplex polymerase chain reaction method. Among 166 identified isolates available for serotyping from patients with pneumococcal disease, 4% were isolated from upper respiratory samples and 80% were from lower respiratory samples, and 16% were invasive isolates. PCV13 serotypes accounted for 60% (95% confidence interval [CI] 52-67) of all isolates; 56% (95% CI 48-64) of noninvasive and 77% (95% CI 57-89) of invasive isolates. Antibiotic resistance was more common among PCV13 serotypes. This study of clinical S. pneumoniae isolates supports the potential for high reduction in pneumococcal disease burden and may serve as baseline data for future monitoring of S. pneumoniae serotypes circulation after implementation of PCV13 childhood vaccination in Cambodia.
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27.
  • Inghammar, Malin, et al. (författare)
  • Validation of a COPD diagnosis from the Swedish Inpatient Registry.
  • 2012
  • Ingår i: Scandinavian Journal of Public Health. - : SAGE Publications. - 1651-1905 .- 1403-4948.
  • Tidskriftsartikel (refereegranskat)abstract
    • Aims: The Swedish National Inpatient Registry is an important source of data for numerous epidemiological studies, amongst them studies on chronic obstructive pulmonary disease (COPD). General validation studies indicate that in general 85-95% of diagnoses reported are correct, but this is not true for all groups of diseases, why specific validation studies are of great importance. Methods: Charts from 374 individuals discharged with a COPD diagnosis between 2000-07 from two central hospitals and two university hospitals in the county of Skåne were validated against the original medical files. Criteria for the degree of certainty of the COPD diagnosis were predefined and the association between predictors of diagnostic probability and the level of certainty was assessed using an ordinal logistic regression model. Results: According to the Global Initiative for Chronic Obstructive Lung Disease criteria, 21.7% of the diagnosis were classified as proven COPD, 35.5% were classified as probable, another 34.0% as possible COPD, 2.1% were classified as having an uncertain diagnosis, and 7.0% as an unlikely COPD diagnosis. Age category (adjusted ORs: 60-79 years, 2.6, 95% CI 1.2-5.4; ≥80 years, 1.6, 95% CI 0.7-3.3) and discharge from a non-surgical department (adjusted OR: 1.7, 95% CI 1.1-2.8) were significantly associated with higher level of diagnostic certainty. Conclusions: A COPD diagnoses from the Swedish Inpatient Registry is of acceptable validity for epidemiological research. The degree of certainty of the diagnosis varies but less than 10% were considered as misclassified or having an uncertain COPD diagnosis.
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28.
  • Kahn, Fredrik, et al. (författare)
  • Previous SARS-CoV-2 infections and their impact on the protection from reinfection during the Omicron BA.5 wave - a nested case-control study among vaccinated adults in Sweden.
  • 2024
  • Ingår i: IJID regions. - 2772-7076. ; 10, s. 235-239
  • Tidskriftsartikel (refereegranskat)abstract
    • We evaluated the protection afforded by SARS-CoV-2 infection-induced immunity against reinfection among working-age vaccinated individuals during a calendar period from June to December 2022 when Omicron BA.5 was the dominating subvariant in Scania County, Sweden.The study cohort (n = 71,592) mainly consisted of health care workers. We analyzed 4144 infected cases during the Omicron BA.5 dominance and 41,440 sex- and age-matched controls with conditional logistic regression.The average protection against reinfection was marginal (16%, 95% confidence interval [CI] 7-23%) during the study period but substantially higher for recent infections. Recent infection (3-6 months) with Omicron BA.2 and BA.5 offered strong protection (86%, 95% CI 68-94% and 78%, 95% CI 69-84%), whereas more distant infection (6-12 months) with Omicron BA.1, BA.2, and the variants before Omicron offered marginal or no protection.These findings suggest that infection-induced immunity contributes to short-term population protection against infection with the subvariant BA.5 among working-age vaccinated individuals but wanes considerably with time, independent of the virus variant.
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29.
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30.
  • Linder, Adam, et al. (författare)
  • Elevated plasma levels of heparin-binding protein in intensive care unit patients with severe sepsis and septic shock
  • 2012
  • Ingår i: Critical Care. - : Springer Science and Business Media LLC. - 1364-8535 .- 1466-609X. ; 16:3
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction: Rapid detection of, and optimized treatment for, severe sepsis and septic shock is crucial for successful outcome. Heparin-binding protein (HBP), a potent inducer of increased vascular permeability, is a potentially useful biomarker for predicting outcome in patients with severe infections. Our aim was to study the systemic release and dynamics of HBP in the plasma of patients with severe sepsis and septic shock in the ICU. Methods: A prospective study was conducted of two patient cohorts treated in the ICU at Karolinska University Hospital Huddinge in Sweden. A total of 179 patients was included, of whom 151 had sepsis (126 with septic shock and 25 patients with severe sepsis) and 28 a non-septic critical condition. Blood samples were collected at five time points during six days after admission. Results: HBP levels were significantly higher in the sepsis group as compared to the control group. At admission to the ICU, a plasma HBP concentration of >= 15 ng/mL and/or a HBP (ng/mL)/white blood cell count (10(9)/L) ratio of >2 was found in 87.2% and 50.0% of critically ill patients with sepsis and non-septic illness, respectively. A lactate level of >2.5 mmol/L was detected in 64.9% and 56.0% of the same patient groups. Both in the sepsis group (n = 151) and in the whole group (n = 179), plasma HBP concentrations at admission and in the last measured sample within the 144 hour study period were significantly higher among 28-day non-survivors as compared to survivors and in the sepsis group, an elevated HBP-level at baseline was associated with an increased case-fatality rate at 28 days. Conclusions: Plasma HBP levels were significantly higher in patients with severe sepsis or septic shock compared to patients with a non-septic illness in the ICU. HBP was associated with severity of disease and an elevated HBP at admission was associated with an increased risk of death. HBP that rises over time may identify patients with a deteriorating prognosis. Thus, repeated HBP measurement in the ICU may help monitor treatment and predict outcome in patients with severe infections.
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31.
  • Linder, Adam, et al. (författare)
  • The specific organism : Not bacterial gram type: Drives the inflammatory response in septic shock
  • 2020
  • Ingår i: Journal of Innate Immunity. - : S. Karger AG. - 1662-811X .- 1662-8128. ; 12:2, s. 182-190
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and Hypothesis: The inflammatory response was targeted by unsuccessful therapies but ignored pathogen. We hypothesized that the inflammatory response differs according to organism in human septic shock. Materials and Methods: We measured 39 cytokines at baseline and 24 h in patients (n = 363) in the Vasopressin and Septic Shock Trial (VASST). We compared cytokine profiles (cytokine functional class) at baseline and at 24 h by organism and used hierarchical clustering to classify cytokines according to 28-day outcomes. Results: In 363 patients, 88 and 176 patients had at least 1 species isolated from blood and other sites, respectively. Cytokine levels differed significantly according to organism: Neisseria meningitidis and Streptococcus pneumoniae had the highest (baseline and at 24 h), while Enterococcus faecalis (blood) had the lowest mean cytokine levels. N. meningitidis and Klebsiella pneumoniae had significantly higher cytokine levels at baseline versus 24 h (p = 0.01 and 0.02, respectively); E. faecalis had significantly higher cytokine levels at 24 h versus baseline. Hierarchical clustering heat maps showed that pathogens elicited similar cytokine responses not related to the functional cytokine class. Conclusion: The organism type induces different cytokine profiles in septic shock. Specific gram-positive and gram-negative pathogens stimulated similar plasma cytokine-level patterns.
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32.
  • Ludvigsson, Jonas F., 1969-, et al. (författare)
  • A nationwide cohort study of the risk of chronic obstructive pulmonary disease in coeliac disease
  • 2012
  • Ingår i: Journal of Internal Medicine. - : Wiley-Blackwell. - 0954-6820 .- 1365-2796. ; 271:5, s. 481-489
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: Chronic obstructive pulmonary disease (COPD) continues to be an important cause of morbidity, mortality and healthcare costs in the western world. Although smoking is an important trigger of COPD, other factors such as chronic inflammation and malnutrition are known to influence its development. Because coeliac disease (CD) is characterized both by dysregulated inflammation and malnutrition, the possibility of an association between CD and COPD was investigated.Methods: Through biopsy data from all Swedish pathology departments, we identified 10990 individuals with CD who were biopsied between 1987 and 2008 (Marsh 3: villous atrophy). As controls, 54129 reference individuals matched for age, sex, county and calendar year of first biopsy were selected. Cox regression analysis was then performed to estimate hazard ratios (HRs) for having a diagnosis of COPD according to the Swedish Patient Register.Results: During follow-up, 380 individuals with CD (3.5%) and 1391 (2.6%) controls had an incident diagnosis of COPD, which corresponds to an HR of 1.24 (95% CI: 1.10-1.38) and an excess risk of COPD of 79/100000 person-years in CD. The risk increase remained 5years after biopsy (HR=1.17; 95% CI: 1.00-1.37). Risk estimates did not change with adjustment for type 1 diabetes, thyroid disease, rheumatoid arthritis, country of birth or level of education. Men with CD were at a higher risk of COPD (HR=1.39; 95% CI: 1.18-1.62) than women with CD (HR=1.11; 95% CI: 0.94-1.30). Of note, CD was also associated with COPD before CD diagnosis (odds ratio=1.22; 95% CI: 1.02-1.46).Conclusion: Patients with CD seem to be at a moderately increased risk of COPD both before and after CD diagnosis.
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33.
  • Mitchell, Adam, et al. (författare)
  • COVID-19 vaccine uptake in Skåne county, Sweden, in relation to individual-level and area-level sociodemographic factors: a register-based cross-sectional analysis
  • 2024
  • Ingår i: BMJ Public Health. - 2059-7908. ; 2
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives Better understanding of societal factors associated with COVID-19 vaccination can have important implications for public health policy to increase uptake.Methods This study investigated sociodemographic determinants of COVID-19 vaccine uptake with ≥2 doses vs 0 doses, and ≥3 doses vs 2 doses, among adults (≥18 years) in a general population from Sweden followed from 27 December 2020 (n=1 064 548 at the present cross-section—12 June 12 2022). Associations between individual-level and area-level sociodemographic factors and vaccine uptake were modelled with logistic regression, with average marginal effects and estimated proportion vaccinated subsequently estimated.Results Being vaccinated with ≥2 doses vs 0 doses was positively associated with education (tertiary vs primary, OR 1.5, 95% CI 1.3 to 1.7), household disposable income (Q5 vs Q1, OR 2.3; 95% CI 1.9 to 2.7), comorbidities (≥2 doses vs none, OR 1.9, 95% CI 1.8 to 1.9) and residential area type (affluent socioeconomic conditions vs poor, OR 2.0, 95% CI 1.6 to 2.4). Whereas, being born outside Sweden was associated with a lower uptake (low and middle-income countries vs Swedish born, OR 0.6, 95% CI 0.5 to 0.7). The associations were generally similar when comparing booster vs remaining on only two doses. From these ORs, there were consistent differences in the estimated proportion vaccinated both for ≥2 doses and booster vaccination. Absolute changes in percentage vaccinated between affluent and poor areas were largely similar across individual country of birth, income and education, both for at least two doses and for the booster doses.Conclusions COVID-19 vaccine uptake was associated with higher sociodemographic classifications both at the individual level and area level. The predicted proportion vaccinated increased with more affluent socioeconomic conditions and concurrent increases in individual household income were the strongest indicators. This sociodemographic selection showed consistency with respect to entering (obtaining ≥2 doses) and remaining (obtaining at least one booster dose) in the vaccination programme.
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34.
  • Mortazavi, Susanne E., et al. (författare)
  • A retrospective cohort study of the effect of SARS-CoV-2 point of care rapid RT-PCR at the Emergency Department on targeted admission
  • 2022
  • Ingår i: BMC Infectious Diseases. - : Springer Science and Business Media LLC. - 1471-2334. ; 22, s. 1-11
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: To prevent nosocomial transmission of SARS-CoV-2, infection prevention control (IPC) measures are implemented for patients with symptoms compatible with COVID-19 until reliable test results are available. This delays admission to the most appropriate ward based on the medical condition. SARS-CoV-2 rapid antigen detection (RAD) tests and point-of-care (POC) rapid RT-PCR (VitaPCR) were introduced at emergency department (ED) at Skåne University Hospital, Sweden in late 2020, but the consequence on patient flow and targeted admission is unknown. Methods: Patients presenting at the emergency department of a referral hospital (N = 2940) between 13-Nov-2020 and 12-Jan-2021 were included. The study period was delimited into three periods by the introduction of RAD tests and the VitaPCR. Participant data was collected from hospital records, and outcome variables were Length-of-Stay (LoS), intrahospital transfers and targeted admission to COVID-19 ward. Results: Compared to baseline (RT-PCR only), RAD tests reduced ED Length-of-Stay (LoS) for participants with positive tests. Negative VitaPCR results reduced mean hospital LoS by 1.5 (95% CI 0.3–2.7) days and admissions to COVID-19 wards from 34.5 (95% CI 28.9–40.5) to 14.7 (95% CI 11.1–19.1) per 100 admissions and reduced transfers between hospital wards in the first 5 days from 50.0 (95% CI 45.0–55.0) to 34.0 (95% CI 30.3–37.9) per 100 admissions. Conclusion: RAD tests enabled prompt detection of SARS-CoV-2 infection which had pronounced effects on LoS at the ED. Negative VitaPCR enabled cessation of IPC measures and a negative test was associated with increased targeted admissions, reduced intrahospital transfers and shorter LoS at the hospital.
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35.
  • Nibell, Olof, et al. (författare)
  • Oral fluoroquinolone use and the risk of acute liver injury: a nationwide cohort study
  • 2021
  • Ingår i: Clinical Infectious Diseases. - : Oxford University Press (OUP). - 1537-6591 .- 1058-4838.
  • Tidskriftsartikel (refereegranskat)abstract
    • Antibiotics are considered to be among the most frequent causes of drug-related acute liver injury (ALI). Although many ALIs have mild and reversible clinical outcomes, there is substantial risk of severe reactions leading to acute liver failure, need for liver transplant, and death. Recent studies have raised concerns of hepatotoxic potential related to the use of fluoroquinolones.MethodsThis study examined the risk of ALI associated with oral fluoroquinolone treatment compared with amoxicillin (419 930 courses, propensity score matched 1:1). The information on drug use was collected from a national, registry-based cohort derived from all Swedish adults aged 40–85 years.ResultsDuring a follow-up period of 60 days, users of oral fluoroquinolones had a >2-fold risk of ALI compared to users of amoxicillin (hazard ratio, 2.32 [95% confidence interval {CI}, 1.01–5.35). The adjusted absolute risk difference for use of fluoroquinolones as compared to amoxicillin was 4.94 (95% CI, .04–16.3) per 1 million episodes.ConclusionsIn this propensity score–matched study, fluoroquinolone treatment was associated with an increased risk of ALI in the first 2 months after starting treatment.
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36.
  • Nibell, Olof, et al. (författare)
  • Reply to Rezahosseini
  • 2022
  • Ingår i: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. - : Oxford University Press (OUP). - 1537-6591. ; 74:12, s. 2262-2262
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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37.
  • Nyström, Helena, 1985-, et al. (författare)
  • Prognosis after intensive care for COPD exacerbation in relation to long-term oxygen therapy : a nationwide cohort study
  • 2023
  • Ingår i: COPD. - : Routledge. - 1541-2555 .- 1541-2563. ; 20:1, s. 64-70
  • Tidskriftsartikel (refereegranskat)abstract
    • Decisions to admit or refuse admission to intensive care for acute exacerbations of COPD (AECOPD) can be difficult, due to an uncertainty about prognosis. Few studies have evaluated outcomes after intensive care for AECOPD in patients with chronic respiratory failure requiring long-term oxygen therapy (LTOT). In this nationwide observational cohort study, we investigated survival after first-time admission for AECOPD in all patients aged ≥40 years admitted to Swedish intensive care units between January 2008 and December 2015, comparing patients with and without LTOT. Among the 4,648 patients enrolled in the study, 450 were on LTOT prior to inclusion. Respiratory support data was available for 2,631 patients; 73% of these were treated with noninvasive ventilation (NIV) only, 17% were treated with immediate invasive ventilation, and 10% were intubated after failed attempt with NIV. Compared to patients without LTOT, patients with LTOT had higher 30-day mortality (38% vs. 25%; p < 0.001) and one-year mortality (70% vs. 43%; p < 0.001). Multivariable logistic and Cox regression models adjusted for age, sex and SAPS3 score confirmed higher mortality in LTOT, odds ratio for 30-day mortality was 1.8 ([95% confidence interval] 1.5–2.3) and hazard ratio for one-year mortality was 1.8 (1.6–2.0). In summary, although need for LTOT is a negative prognostic marker for survival after AECOPD requiring intensive care, a majority of patients with LTOT survived the AECOPD and 30% were alive after one year.
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38.
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39.
  • Oldberg, Karl, et al. (författare)
  • Short time to blood culture positivity in Enterococcus faecalis infective endocarditis
  • 2021
  • Ingår i: European Journal of Clinical Microbiology and Infectious Diseases. - : Springer Science and Business Media LLC. - 0934-9723 .- 1435-4373. ; 40, s. 1657-1664
  • Tidskriftsartikel (refereegranskat)abstract
    • Time to blood culture positivity (TTP) is an indirect measure of bacterial concentration in blood. A short TTP has been linked to the presence of infective endocarditis (IE) and to poor prognosis in Staphylococcus aureus bacteremia. We analyze factors influencing TTP in bacteremia with Enterococcus faecalis. This retrospective observational study of medical records included adults diagnosed with monomicrobial E. faecalis bacteremia between 2015 and 2018 in the Skåne region (Sweden). For each episode, the shortest TTP was recorded. Median TTP was compared between patients grouped based on age, sex, comorbidity, site of acquisition, and focus of infection. Using a dichotomized TTP (shorter or longer than 12 h), a multivariable logistic regression for factors associated to TTP was performed. The association between TTP and IE or mortality was evaluated. Three hundred sixty-seven episodes with monomicrobial E. faecalis bacteremia with the corresponding TTP were identified. Median TTP for the entire cohort was 11.6 (IQR 9.9–14.1) h and a significantly shorter TTP was noted for episodes which represented IE (n = 55, 9.4 (IQR 6.4–10.6) h). Only IE remained associated with a short TTP (≤ 12 h) in binary logistic regression analysis. Factors associated with IE were investigated and TTP was associated with IE also when adjusted for age, gender, comorbidity, and nosocomial acquisition. There was no association between TTP and mortality. A low TTP is associated with IE in E. faecalis bacteremia and could be used as a help in determining the need for echocardiography in patients with this condition.
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40.
  • Pasternak, Björn, et al. (författare)
  • Fluoroquinolone use and risk of aortic aneurysm and dissection : Nationwide cohort study
  • 2018
  • Ingår i: BMJ (Online). - : BMJ. - 0959-8138 .- 1756-1833. ; 360
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective To investigate whether oral fluoroquinolone use is associated with an increased risk of aortic aneurysm or dissection. Design Nationwide historical cohort study using linked register data on patient characteristics, filled prescriptions, and cases of aortic aneurysm or dissection. Setting Sweden, July 2006 to December 2013. Participants 360 088 treatment episodes of fluoroquinolone use (78%ciprofloxacin) and propensity score matched comparator episodes of amoxicillin use (n=360 088). Main outcome measures Cox regression was used to estimate hazard ratios for a first diagnosis of aortic aneurysm or dissection, defined as admission to hospital or emergency department for, or death due to, aortic aneurysm or dissection, within 60 days from start of treatment. Results Within the 60 day risk period, the rate of aortic aneurysm or dissection was 1.2 cases per 1000 person years among fluoroquinolone users and 0.7 cases per 1000 person years among amoxicillin users. Fluoroquinolone use was associated with an increased risk of aortic aneurysm or dissection (hazard ratio 1.66 (95% confidence interval 1.12 to 2.46)), with an estimated absolute difference of 82 (95% confidence interval 15 to 181) cases of aortic aneurysm or dissection by 60 days per 1 million treatment episodes. In a secondary analysis, the hazard ratio for the association with fluoroquinolone use was 1.90 (1.22 to 2.96) for aortic aneurysm and 0.93 (0.38 to 2.29) for aortic dissection. Conclusions In a propensity score matched cohort, fluoroquinolone use was associated with an increased risk of aortic aneurysm or dissection. This association appeared to be largely driven by aortic aneurysm.
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41.
  • Stjärne Aspelund, Anna, et al. (författare)
  • Heparin-binding protein, lysozyme, and inflammatory cytokines in bronchoalveolar lavage fluid as diagnostic tools for pulmonary infection in lung transplanted patients
  • 2018
  • Ingår i: American Journal of Transplantation. - : Elsevier BV. - 1600-6135. ; 18:2, s. 444-452
  • Tidskriftsartikel (refereegranskat)abstract
    • Pulmonary infection is a common complication after lung transplantation, and early detection is crucial for outcome. However, the condition can be clinically difficult to diagnose and to distinguish from rejection. The aim of this prospective study was to evaluate heparin-binding protein (HBP), lysozyme, and the cytokines interleukin (IL)-1, IL-6, IL-8, IL-10 and tumor necrosis factor (TNF) in bronchoalveolar lavage fluid (BALF) as potential biomarkers for pulmonary infection in lung-transplanted patients. One hundred thirteen BALF samples from 29 lung transplant recipients were collected at routine scheduled bronchoscopies at 3 and 6months, or on clinical indication. Samples were classified into no, possible, probable, or definite infection at the time of sampling. Rejection was defined by biopsy results. HBP, lysozyme, and cytokines were analyzed in BALF and correlated to likelihood of infection and rejection. All biomarkers were significantly increased in BALF during infection, whereas patients with rejection presented low levels that were comparable to noninfection samples. HBP, IL-1, and IL-8 were the best diagnostic markers of infection with area under the receiver-operating characteristic curve values of 0.88, 0.91, and 0.90, respectively. In conclusion, HBP, IL-1, and IL-8 could be useful diagnostic markers of pulmonary infection in lung-transplanted patients. This prospective study on bronchoalveolar fluid from lung transplant recipients suggests that heparin-binding protein, IL-1beta, and IL-8 are useful biomarkers for the detection of pulmonary infection.
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42.
  • Stjärne Aspelund, Anna, et al. (författare)
  • Microbiological findings in bronchoalveolar lavage fluid from lung transplant patients in Sweden
  • 2018
  • Ingår i: Transplant Infectious Disease. - : Wiley. - 1398-2273 .- 1399-3062. ; 20:6
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Lung transplant patients experience a high risk of airway infections and microbial colonization of the lung due to constant exposure to the environment through inhaled microorganisms, denervation, reduced ciliary transport, and decreased cough. Methods: In this nationwide prospective study on Swedish lung transplant patients, we evaluated the microbiological panorama of bacteria, fungi, and virus found in bronchoalveolar lavage fluid (BALF) obtained the first year after lung transplantation (LTx). Differences in microbiological findings depending of concomitant signs of infection and background factors were assessed. Results: A total of 470 bronchoscopies from 126 patients were evaluated. Sixty-two percent (n = 293) of BALF samples had positive microbiological finding(s). Forty-six percent (n = 217) had bacterial growth, 29% (n = 137) fungal growth, and 9% (n = 43) were positive in viral PCR. In 38% of BALF samples (n = 181), a single microbe was found, whereas a combination of bacteria, fungi or virus was found in 24% (n = 112) of bronchoscopies. The most common microbiological findings were Candida albicans, Pseudomonas aeruginosa and coagulase negative Staphylococcus (in 42 (33%), 36 (29%), and 25 (20%) patients, respectively). Microbiological findings were similar in BALF from patients with and without signs of lung infection and the frequency of multidrug resistant (MDR) bacteria was low. No significant association was found between background factors and time to first lung infection. Conclusion: This study gives important epidemiologic insights and reinforces that microbiological findings have to be evaluated in the light of clinical symptoms and endobronchial appearance in the assessment of lung infections in lung transplant patients.
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43.
  • Sundén-Cullberg, Jonas, et al. (författare)
  • Fever in the Emergency Department Predicts Survival of Patients With Severe Sepsis and Septic Shock Admitted to the ICU
  • 2017
  • Ingår i: Critical Care Medicine. - 0090-3493 .- 1530-0293. ; 45:4, s. 591-599
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES:: To study the prognostic value of fever in the emergency department in septic patients subsequently admitted to the ICU. DESIGN:: Observational cohort study from the Swedish national quality register for sepsis. SETTING:: Thirty ICU’s in Sweden. PATIENTS:: Two thousand two hundred twenty-five adults who were admitted to an ICU within 24 hours of hospital arrival with a diagnosis of severe sepsis or septic shock were included. INTERVENTIONS:: None. MEASUREMENTS AND MAIN RESULTS:: Body temperature was measured and classified according to four categories (< 37°C, 37–38.29°C, 38.3–39.5°C, ≥ 39.5°C). The main outcome was in-hospital mortality. Odds ratios for mortality according to body temperature were estimated using multivariable logistic regression. Subgroup analyses were conducted according to age, sex, underlying comorbidity, and time to given antibiotics. Overall mortality was 25%. More than half of patients had a body temperature below 38.3°C. Mortality was inversely correlated with temperature and decreased, on average, more than 5% points per °C increase, from 50% in those with the lowest temperatures to 9% in those with the highest. Increased body temperature in survivors was also associated with shorter hospital stays. Patients with fever received better quality of care, but the inverse association between body temperature and mortality was robust and remained consistent after adjustment for quality of care measures and other factors that could have confounded the association. Among vital signs, body temperature was best at predicting mortality. CONCLUSIONS:: Contrary to common perceptions and current guidelines for care of critically ill septic patients, increased body temperature in the emergency department was strongly associated with lower mortality and shorter hospital stays in patients with severe sepsis or septic shock subsequently admitted to the ICU.
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44.
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45.
  • Sunden-Cullberg, Jonas, et al. (författare)
  • Sex-based differences in ED management of critically ill patients with sepsis : a nationwide cohort study
  • 2020
  • Ingår i: Intensive Care Medicine. - : Springer Science and Business Media LLC. - 0342-4642 .- 1432-1238. ; 46:4, s. 727-736
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose: To compare management and outcomes for critically ill women and men with sepsis in the emergency medical services (EMS), the emergency department (ED) and the ICU. Methods: We used two prospectively compiled Swedish national quality registers, the National Quality Sepsis Registry and the Swedish Intensive Care Registry to identify a nationwide cohort of 2720 adults admitted to an ICU within 24 h of arrival to any of 32 EDs, with a diagnosis of severe sepsis or septic shock between 2008 and 2015. Results: Patients were 44.5% female. In the EMS, a higher fraction of men had all vital signs recorded—54.4 vs 49.9% (p = 0.02) and received IV fluids and oxygen—40.0 vs 34.8% (p = 0.02). In the ED, men had completed 1-h sepsis bundles in 41.5% of cases compared to 30.0% in women (p < 0.001), and shorter time to antibiotics—65 (IQR 30–136) vs 87 min (IQR 39–172) (p = 0.0001). There was no significant difference between men and women regarding ICU nursing workload, mechanical ventilation or ICU length of stay. In severity-adjusted multivariable analysis, OR for women achieving a completed sepsis bundle, compared to men was 0.64 (CI 0.51–0.81). Thirty-day mortality was 25.0% for women and 23.1% for men (p = 0.24). Adjusted OR for female death was 1.28 (CI 1.00–1.64), but the increased mortality was not mediated by differential bundle completion. Conclusions: Women and men with severe sepsis or septic shock received differential care in the ED, but this did not explain higher odds of death in women.
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46.
  • Söderholm, Martin, et al. (författare)
  • Incidence of stroke and stroke subtypes in chronic obstructive pulmonary disease.
  • 2016
  • Ingår i: European Journal of Epidemiology. - : Springer Science and Business Media LLC. - 1573-7284 .- 0393-2990. ; 31:2, s. 159-168
  • Tidskriftsartikel (refereegranskat)abstract
    • It is uncertain whether the incidence of stroke is increased in patients with chronic obstructive pulmonary disease (COPD), and whether COPD is associated with all subtypes of stroke (i.e. ischemic stroke, intracerebral haemorrhage and subarachnoid haemorrhage). We evaluated the association between COPD and incidence of stroke in a nation-wide cohort study. All individuals between 40 and 84 years of age, hospitalised for COPD between 1987 and 2003 in Sweden were identified in the Swedish hospital discharge register. For each COPD patient (n = 103,419), one reference individual was randomly selected from the general population matched for year of birth, sex and county of residence. After excluding subjects with prior stroke, incidence rates during 10 years follow-up were calculated. Hazard ratios (HR) for stroke comparing COPD patients with reference subjects were estimated using Cox regression adjusting for demographics and comorbidities. Incidence of all-cause stroke (n events = 17,402) was significantly increased in COPD patients compared to reference individuals (HR 1.24, 95 % CI 1.19-1.28), especially during the first 2 years after COPD diagnosis (HR 1.46, 1.37-1.55). Incidences of ischemic stroke (HR 1.20, 1.15-1.25), intracerebral haemorrhage (HR 1.29, 1.16-1.43) and subarachnoid haemorrhage (HR 1.46, 1.16-1.85) were all increased in COPD patients. Incidences of all stroke subtypes are increased in COPD, especially during the first years after COPD diagnosis. The association was independent of several comorbidities, although residual confounding from smoking and hypertension cannot be excluded. A global evaluation of stroke risk factors seems warranted in patients with COPD.
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47.
  • Öberg, Jonas, et al. (författare)
  • Bacteraemia and infective endocarditis with Streptococcus bovis-Streptococcus equinus-complex: a retrospective cohort study
  • 2022
  • Ingår i: Infectious Diseases. - : Informa UK Limited. - 2374-4235 .- 2374-4243. ; 54:10, s. 760-765
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Streptococcus bovis/equinus complex (SBSEC) comprise several species and subspecies and is a common cause of infective endocarditis (IE). S. gallolyticus subsp. gallolyticus (Sg gallolyticus) accounts for a majority of SBSEC IE, but the risk of IE for other subspecies is largely unknown. We aimed to investigate the clinical presentation of bacteraemia, and proportion of patients with IE in bacteraemia with the most common subspecies.METHODS: A retrospective cohort study of SBSEC-bacteraemia identified in clinical laboratory databases, in Skåne Region, Sweden, 2003-2018. Bacteraemia with Sg gallolyticus, S. gallolyticus subsp. pasteurianus (Sg pasteurianus), S. lutetiensis and S. infantarius subsp. infantarius (Si infantarius) were included. Subspecies was identified by whole genome sequencing. Medical charts were reviewed according to a predetermined protocol, IE was defined by the criteria from European Society of Cardiology.RESULTS: In total, 210 episodes of SBSEC-bacteraemia were included. Definite IE was identified in 28/210 (13%) episodes. Of these, 7/28 (25%) were prosthetic valve-IE, 1/28 (4%) related to a cardiovascular implantable electronic device and 10/28 (36%) required heart valve surgery. The proportions of IE among different subspecies were: Sg gallolyticus 17/52 (33%), Si infantarius 5/31 (16%), Sg pasteurianus 4/83 (5%) and S. lutetiensis 2/44 (5%) (p < 0.001). Sg pasteurianus and S. lutetiensis were more often associated with intra-abdominal- and polymicrobial infection.CONCLUSION: The proportion of IE in SBSEC-bacteraemia varies substantially depending on subspecies. Echocardiography should always be considered in bacteraemia with Sg gallolyticus and Si infantarius, and can sometimes be omitted in bacteraemia with Sg pasteurianus and S. lutetiensis.
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48.
  • Öberg, Jonas, et al. (författare)
  • Improved identification of Streptococcus bovis-Streptococcus equinus-complex species and subspecies by MALDI-TOF MS using a novel library
  • 2023
  • Ingår i: Diagnostic Microbiology and Infectious Disease. - 0732-8893. ; 107:3
  • Tidskriftsartikel (refereegranskat)abstract
    • ObjectivesTo develop an in-house matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) library for improved identification of species and subspecies of the Streptococcus bovis/Streptococcus equinus-complex (SBSEC).Methods236 SBSEC isolates from blood stream infections and culture collections, determined by whole genome sequencing to subspecies level, were grown in brain heart infusion broth. Mass spectra were collected using the Bruker MALDI Biotyper system after ethanol-formic acid extraction. Main spectral profiles from 117 isolates were used to create the “SBSEC-CMRS library”. The remaining 119 spectra were used for evaluation of Bruker MBT Compass Library Revision K (2022) and the SBSEC-CMRS library.ResultsThe Bruker library correctly identified species and subspecies in 72/119 (61 %) isolates, while the SBSEC-CMRS library identified 116/119 (97 %), using a cutoff score of ≥2.0.ConclusionsThe SBSEC-CMRS library showed sufficient diagnostic accuracy, and can be implemented in clinical practice for SBSEC species and subspecies identification.KeywordsStreptococcus bovisStreptococcus gallolyticusMALDI-TOF MSsubspecies identificationAbbreviationsMALDI-TOF MSMatrix-assisted laser desorption/ionization time-of-flight mass spectrometrySBSECStreptococcus bovis/Streptococcus equinus-complexCMRSClinical Microbiology Region SkåneSBSEC-CMRS libraryStreptococcus bovis/Streptococcus equinus-complex-Clinical Microbiology Region Skåne librarySg pasteurianusStreptococcus gallolyticus subsp. pasteurianusSg gallolyticusStreptococcus gallolyticus subsp. gallolyticusSg macedonicusS. gallolyticus subsp. macedonicusSi infantariusS. infantarius subsp. infantariusBHIBrain heart infusionWGSWhole genome sequencing
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49.
  • Öberg, Jonas, et al. (författare)
  • Streptococcus bovis-bacteremia: subspecies distribution and association with colorectal cancer : a retrospective cohort study
  • 2022
  • Ingår i: Epidemiology and Infection. - 0950-2688. ; 150
  • Tidskriftsartikel (refereegranskat)abstract
    • This study aimed to describe the incidence of Streptococcus bovis/Streptococcus equinus complex (SBSEC) bacteremia, distribution of the SBSEC subspecies, and their respective association with colorectal cancer (CRC). A population-based retrospective cohort study of all episodes of SBSEC-bacteremia from 2003 to 2018 in Skåne Region, Sweden. Subspecies was determined by whole-genome sequencing. Medical charts were reviewed. The association between subspecies and CRC were analysed using logistic regression. In total 266 episodes of SBSEC-bacteremia were identified and the average annual incidence was 2.0 per 100 000 inhabitants. Of the 236 isolates available for typing, the most common subspecies was S. gallolyticus subsp. pasteurianus 88/236 (37%) followed by S. gallolyticus subsp. gallolyticus 58/236 (25%). In order to determine the risk of cancer following bacteremia, an incidence cohort of 174 episodes without a prior diagnosis of CRC or metastasised cancer was followed for 560 person-years. CRC was found in 13/174 (7%), of which 9 (69%) had S. gallolyticus subsp. gallolyticus-bacteremia. In contrast to other European studies, S. gallolyticus subsp. pasteurianus was the most common cause of SBSEC-bacteremia. CRC diagnosis after bacteremia was strongly associated with S. gallolyticus subsp. gallolyticus-bacteremia. Identification of SBSEC subspecies can guide clinical decision-making regarding CRC work-up following bacteremia.
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