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Sökning: WFRF:(Lundberg Bo)

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  • Alehagen, Siw, 1953-, et al. (författare)
  • Catecholamine and cortisol reaction to childbirth
  • 2001
  • Ingår i: International Journal of Behavioral Medicine. - 1070-5503 .- 1532-7558. ; 8:1, s. 50-65
  • Tidskriftsartikel (refereegranskat)abstract
    • One way to study the stressfulness of childbirth is to examine the output of stress hormones. In this study, urinary catecholamines and salivary cortisol from 50 primiparous women were collected for 1 day during gestational weeks 37 to 39, hourly during labor and delivery, and 2 hr and 2 days postpartum. All three stress hormones increased statistically significantly from pregnancy to labor. The increase in adrenaline and cortisol was more than 500%, and the increase in noradrenaline was about 50%. After labor, the output decreased but not statistically significantly below the levels during late pregnancy. Hormone levels during late pregnancy, during labor and delivery, and during the period postpartum mostly did not correlate systematically. However, noradrenaline and adrenaline, as well as adrenaline and cortisol, were positively correlated during labor. After administration of epidural analgesia, there was a moderate but significant decrease in noradrenaline and adrenaline, whereas cortisol did not change. In conclusion, the results of this study support the assumption that childbirth is a very stressful event and that the stress responses vary considerably among women. The substantial increase of adrenaline and cortisol compared with noradrenaline indicates that mental stress is more dominant than physical stress during labor.
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4.
  • Amiri-Mosavi, A, et al. (författare)
  • Expression of cholecystokinin-B/gastrin receptors in medullary thyroid cancer.
  • 1999
  • Ingår i: The European journal of surgery = Acta chirurgica. - : Oxford University Press (OUP). - 1102-4151. ; 165:7, s. 628-31
  • Tidskriftsartikel (refereegranskat)abstract
    • To characterise the cholecystokinin (CCK) receptor subtypes in medullary thyroid cancer by measuring the expression of CCK-A and CCK-B/gastrin receptor mRNA.
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5.
  • Attié, David, et al. (författare)
  • A time projection chamber with GEM-based readout
  • 2017
  • Ingår i: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. - : Elsevier BV. - 0168-9002. ; 856, s. 109-118
  • Tidskriftsartikel (refereegranskat)abstract
    • For the International Large Detector concept at the planned International Linear Collider, the use of time projection chambers (TPC) with micro-pattern gas detector readout as the main tracking detector is investigated. In this paper, results from a prototype TPC, placed in a 1. T solenoidal field and read out with three independent Gas Electron Multiplier (GEM) based readout modules, are reported. The TPC was exposed to a 6. GeV electron beam at the DESY II synchrotron. The efficiency for reconstructing hits, the measurement of the drift velocity, the space point resolution and the control of field inhomogeneities are presented.
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6.
  • Bergquist, Magnus, 1960, et al. (författare)
  • The effects of PACS on radiographer’s work practice
  • 2007
  • Ingår i: Radiography. - London : W.B. Saunders Co. Ltd.. ; 13:3, s. 235-240
  • Tidskriftsartikel (refereegranskat)abstract
    • This paper identifies and analyses the effects of picture archiving and communica- tion systems (PACS) on radiographers’ work practice. It shows that the introduction of PACS did not simply entail the transfer of data and information from the analogue world to the digital world, but it also led to the introduction of new ways of communicating, and new activities and responsibilities on the part of radiography staff. Radiographers are called upon to work increasingly independently, and individual practitioners require higher levels of professional expertise. In all, this paper demonstrates that new technical solutions sometimes lead to sub- stantial changes in responsibilities in work. In this example, the radiographers’ work practice has become more highly scientific and they are enjoying a higher level of prestige.
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7.
  • Bläckberg, Anna, et al. (författare)
  • Time to Blood Culture Positivity: An Independent Predictor of Mortality in Streptococcus Pyogenes Bacteremia
  • 2022
  • Ingår i: Open Forum Infectious Diseases. - : Oxford University Press (OUP). - 2328-8957. ; 9:6
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundStreptococcus pyogenes bacteremia is a severe condition with high mortality. Time to blood culture positivity (TTP) is known to predict the outcome in bacteremia with other pathogens. This study aimed to determine the association between TTP and outcome in S pyogenes bacteremia.MethodsThis retrospective observational cohort study comprised adults with S pyogenes bacteremia, identified through the laboratory database between 2015 and 2018, in the Region of Skåne, Sweden. Correlations between TTP and outcomes were investigated. Primary outcome was death within 30 days, and secondary outcomes were presence of sepsis or disease deterioration within the first 48 hours.ResultsA total of 347 episodes of S pyogenes bacteremia were identified, of which 61 were excluded, resulting in 286 included episodes. Median TTP was 10.4 (interquartile range, 8.4–11.4) hours. Thirty-day mortality was 10%. Median TTP was shorter in patients who died within 30 days compared to survivors (8.6 vs 10.4 hours; P < .001). In a multivariable logistic regression, shorter TTP was associated with 30-day mortality when adjusting for age, Charlson Comorbidity Index, and focus of infection (odds ratio, 3.7 [95% confidence interval, 1.2–11.3]; P = .02). There was no statistically significant difference in TTP between patients with sepsis within 48 hours and those who did not have sepsis. Additionally, there was no statistically significant difference in TTP between patients with disease deterioration compared to those who did not deteriorate.ConclusionsKnowledge on TTP might be a tool to determine the prognosis of a given patient with S pyogenes bacteremia.
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8.
  • Bläckberg, Anna, et al. (författare)
  • Time to positivity of blood cultures in bloodstream infections with Streptococcus dysgalactiae and association with outcome
  • 2023
  • Ingår i: Infectious Diseases. - : Informa UK Limited. - 2374-4235 .- 2374-4243. ; 55:5, s. 333-339
  • Tidskriftsartikel (refereegranskat)abstract
    • PurposeInvasive infections with Streptococcus dysgalactiae predominantly occur in persons of older age with substantial morbidity and mortality. Time to positivity from blood cultures (TTP) has been shown to be a prognostic indicator in bloodstream infections caused by other beta-haemolytic streptococci. This study aimed to determine any possible association between TTP and outcome in invasive infections due to S. dysgalactiae.Materials and methodsEpisodes of S. dysgalactiae bacteraemia, that occurred during 2015–2018 in the Region of Skåne, Sweden, were identified through the laboratory database and retrospectively studied. Any association with TTP and the primary outcome, death within 30 days and the development of sepsis or disease deterioration within 48 hours from blood culturing as secondary outcomes were investigated.ResultsAmong the 287 episodes of S. dysgalactiae bacteraemia, 30-day mortality rate was 10% (n = 30). Median TTP was 9.3 h (interquartile range 8.0–10.3 h). Median TTP was statistically significantly shorter in patients who died within 30 days compared to surviving patients (7.7 vs 9.3 h, p = .001, Mann–Whitney U test). Short TTP(≤ 7.9 h) was still associated with 30-day mortality when adjusting for age, (OR 4.4, 95% CI 1.6–12.2, p = .004). Associations between secondary outcomes and levels of TTP were not observed.ConclusionTTP may be an important prognostic indicator for 30-day mortality in patients with bloodstream infections due to S. dysgalactiae.
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9.
  • Brokken, Leon, et al. (författare)
  • Interactions between polymorphisms in the aryl hydrocarbon receptor signalling pathway and exposure to persistent organochlorine pollutants affect human semen quality.
  • 2014
  • Ingår i: Reproductive Toxicology. - : Elsevier BV. - 1873-1708 .- 0890-6238. ; 49:Jul 30, s. 65-73
  • Tidskriftsartikel (refereegranskat)abstract
    • Persistent organic pollutants (POPs) may affect male reproductive function. Many dioxin-like POPs exert their effects by activation of the aryl hydrocarbon receptor (AHR) signalling pathway. We analysed whether gene-environment interactions between polymorphisms in AHR (R554K) and AHR repressor (AHRR P185A) and serum levels of markers of POP exposure 1,1-bis-(4-chlorophenyl)-2,2-dichloroethene (p,p'-DDE) and 2,2',4,4',5,5'-hexachlorobiphenyl (CB-153) are associated with 21 parameters of male reproductive function in 581 proven-fertile European and Greenlandic men. In Greenlandic men, AHR variants significantly modified the association between serum levels of both p,p'-DDE and CB-153 and inhibin B levels, sperm chromatin integrity, and seminal zinc levels. In the total cohort, interactions between AHRR variants and serum levels of CB-153 were associated with sperm chromatin integrity and the expression of the pro-apoptotic marker protein Fas. The data indicate that susceptibility to adverse effects of POP exposure on male reproductive function is dependent on polymorphisms in genes involved in AHR signalling.
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10.
  • Busch, Hillevi, et al. (författare)
  • Visuospatial and verbal memory in chronic pain patients: an explorative study.
  • 2006
  • Ingår i: Pain Practice. - : Wiley. - 1530-7085 .- 1533-2500. ; 6:3, s. 179-185
  • Tidskriftsartikel (refereegranskat)abstract
    • Cognitive bias, such as selective memory for pain-related information, is frequently observed in chronic pain patients and is assessed mostly using verbal material. Beside word lists, the current study used photographs of people presenting pain behaviours to assess memory bias in chronic pain patients. Chronic pain patients were hypothesized to show better recall of pain-related words and pictures as compared to pain-free controls. Twenty-eight female chronic neck patients and 28 pain-free female controls completed two computerized pictorial memory games and two word recall tasks. Patients and controls performed equally well in the neutral memory game. In the pain-related game, patients performed significantly worse than did controls. No significant differences were found in the word recall task. The result is discussed in terms of cognitive avoidance.
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