| 1. |
- He, Wei, et al.
(författare)
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Pregnancy outcomes in women with a prior cervical intraepithelial neoplasia grade 3 diagnosis : a nationwide population-based cohort study with sibling comparison design
- 2022
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Ingår i: Annals of Internal Medicine. - Stockholm : Karolinska Institutet, Dept of Medical Epidemiology and Biostatistics. - 0003-4819. ; 175:2, s. 210-
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Background: Treatment of cervical intraepithelial neoplasia grade 3 (CIN3) removes or destroys part of the cervix and might subsequently influence pregnancy outcomes. Objective: To investigate pregnancy outcomes in women diagnosed with CIN3. Design: Population- and sibling-matched cohort study. Setting: Sweden, 1973-2018. Participants: General population comparison included 78 450 singletons born to women diagnosed with CIN3 and 784 500 matched singletons born to women in the general population who had no CIN3 diagnosis; sibling comparison included 23 199 singletons born to women diagnosed with CIN3 and 28 135 singletons born to their sisters without a CIN3 diagnosis. Measurements: Preterm birth, including spontaneous or iatrogenic preterm birth; Infection-related outcomes, including chorioamnionitis and infant sepsis; and early neonatal death, defined as death during the first week after birth. Results: Compared with the matched general population, women previously diagnosed with CIN3 were more likely to have a preterm birth especially extremely preterm (22-28 weeks; OR, 3.00; 95% CI, 2.69-3.34) and spontaneous preterm (OR, 2.12; 95% CI, 2.05-2.20) birth, infection-related outcomes including chorioamnionitis (OR, 3.23; 95% CI, 2.89-3.62) and infant sepsis (OR, 1.72; 95% CI, 1.60-1.86), and early neonatal death (OR, 1.83; 95% CI, 1.61-2.09). Sibling comparison analyses rendered largely similar results. Over time the risk difference attenuated for all outcomes and disappeared for early neonatal death. Limitations: Lack of data on CIN3 treatment and spontaneous abortion. Conclusion: Prior history of CIN 3 is associated with adverse pregnancy outcomes even after accounting for familial factors. Decreasing risk estimates over time suggest that adverse pregnancy outcomes among women diagnosed with CIN3 may be minimized by improving treatment modalities.
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| 2. |
- Atroshi, Isam, et al.
(författare)
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Methylprednisolone Injections for the Carpal Tunnel Syndrome A Randomized, Placebo-Controlled Trial
- 2013
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Ingår i: Annals of Internal Medicine. - : American College of Physicians. - 0003-4819. ; 159:5, s. 309-309
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Tidskriftsartikel (refereegranskat)abstract
- Background: Steroid injections are used in idiopathic carpal tunnel syndrome (CTS), but evidence of efficacy beyond 1 month is lacking. Objective: To assess the efficacy of local methylprednisolone injections in CTS. Design: Randomized, placebo-controlled trial. (ClinicalTrials.gov: NCT00806871) Setting: Regional referral orthopedic department in Sweden. Patients: Patients aged 18 to 70 years with CTS but no previous steroid injections. Intervention: Three groups (37 patients each) received 80 mg of methylprednisolone, 40 mg of methylprednisolone, or placebo. The patients and treating surgeons were blinded. Measurements: Primary end points were the change in CTS symptom severity scores at 10 weeks (range, 1 to 5) and rate of surgery at 1 year. Three patients had missing 10-week data. All patients had 1-year data. Results: Improvement in CTS symptom severity scores at 10 weeks was greater in patients who received 80 mg of methylprednisolone and 40 mg of methylprednisolone than in those who received placebo (difference in change from baseline, -0.64 [95% CI, -1.06 to -0.21; P = 0.003] and -0.88 [CI, -1.30 to -0.46; P < 0.001], respectively), but there were no significant differences at 1 year. The 1-year rates of surgery were 73%, 81%, and 92% in the 80-mg methylprednisolone, 40-mg methylprednisolone, and placebo groups, respectively. Compared with patients who received placebo, those who received 80 mg of methylprednisolone were less likely to have surgery (odds ratio, 0.24 [CI, 0.06 to 0.95]; P = 0.042). With time to surgery incorporated, both the 80- and 40-mg methylprednisolone groups had lower likelihood of surgery (hazard ratio, 0.46 [CI, 0.27 to 0.77; P = 0.003] and 0.57 [CI, 0.35 to 0.94; P = 0.026], respectively). Limitation: The study was conducted at 1 center, and wrist splinting had previously failed for all patients. Conclusion: Methylprednisolone injections for CTS have significant benefits in relieving symptoms at 10 weeks and reducing the rate of surgery 1 year after treatment, but 3 out of 4 patients had surgery within 1 year.
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| 3. |
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| 4. |
- Simmonds, R E, et al.
(författare)
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Clarification of the risk for venous thrombosis associated with hereditary protein S deficiency by investigation of a large kindred with a characterized gene defect
- 1998
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Ingår i: Annals of Internal Medicine. - : American College of Physicians. - 0003-4819. ; 128:1, s. 8-14
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Protein S is an important regulatory protein of the coagulation cascade. The risk for venous thrombosis associated with protein S deficiency has been uncertain because all previous risk estimates used phenotypic evaluation alone, which can be ambiguous.OBJECTIVE: To quantitate the risk for thrombosis associated with a characterized protein S gene mutation that causes a Gly295-->Val substitution and protein S deficiency.DESIGN: Retrospective study of a single extended family.SETTING: University hospital referral center.PARTICIPANTS: A 122-member protein S-deficient family, in which 44 members had a recently characterized gene defect.MEASUREMENTS: Comprehensive history of thrombosis, history of exposure to acquired risk factors for thrombosis, levels of total and free protein S antigen, and genotype for the mutation causing the Gly295-->Val substitution.RESULTS: Kaplan-Meier analysis of thrombosis-free survival showed that the probability of remaining free of thrombosis at 30 years of age is 0.5 (95% CI, 0.33 to 0.66) for carriers of the Gly295-->Val mutation compared with 0.97 (CI, 0.93 to 1.0) for normal family members (P < 0.001). In a multivariate Cox regression model that included smoking and obesity, the mutation was a strong independent risk factor for thrombosis (hazard ratio, 11.5 [CI, 4.33 to 30.6]; P < 0.001). For free (but not total) protein S antigen levels, the distributions of persons with and persons without the mutation did not overlap.CONCLUSIONS: Protein S deficiency, as defined by the presence of a causative gene mutation or a reduced level of free protein S antigen, is a strong independent risk factor for venous thrombosis in a clinical affected family.
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| 5. |
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| 6. |
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| 7. |
- Benito, Natividad, et al.
(författare)
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Health care-associated native valve endocarditis: importance of non-nosocomial acquisition.
- 2009
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Ingår i: Annals of internal medicine. - : American College of Physicians. - 1539-3704 .- 0003-4819. ; 150:9, s. 586-94
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Tidskriftsartikel (refereegranskat)abstract
- The clinical profile and outcome of nosocomial and non-nosocomial health care-associated native valve endocarditis are not well defined.To compare the characteristics and outcomes of community-associated and nosocomial and non-nosocomial health care-associated native valve endocarditis.Prospective cohort study.61 hospitals in 28 countries.Patients with definite native valve endocarditis and no history of injection drug use who were enrolled in the ICE-PCS (International Collaboration on Endocarditis Prospective Cohort Study) from June 2000 to August 2005.Clinical and echocardiographic findings, microbiology, complications, and mortality.Health care-associated native valve endocarditis was present in 557 (34%) of 1622 patients (303 with nosocomial infection [54%] and 254 with non-nosocomial infection [46%]). Staphylococcus aureus was the most common cause of health care-associated infection (nosocomial, 47%; non-nosocomial, 42%; P = 0.30); a high proportion of patients had methicillin-resistant S. aureus (nosocomial, 57%; non-nosocomial, 41%; P = 0.014). Fewer patients with health care-associated native valve endocarditis had cardiac surgery (41% vs. 51% of community-associated cases; P < 0.001), but more of the former patients died (25% vs. 13%; P < 0.001). Multivariable analysis confirmed greater mortality associated with health care-associated native valve endocarditis (incidence risk ratio, 1.28 [95% CI, 1.02 to 1.59]).Patients were treated at hospitals with cardiac surgery programs. The results may not be generalizable to patients receiving care in other types of facilities or to those with prosthetic valves or past injection drug use.More than one third of cases of native valve endocarditis in non-injection drug users involve contact with health care, and non-nosocomial infection is common, especially in the United States. Clinicians should recognize that outpatients with extensive out-of-hospital health care contacts who develop endocarditis have clinical characteristics and outcomes similar to those of patients with nosocomial infection.None.
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| 8. |
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| 9. |
- Carlsson, Sigrid, 1982, et al.
(författare)
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Screening for prostate cancer.
- 2012
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Ingår i: Annals of internal medicine. - : American College of Physicians. - 1539-3704 .- 0003-4819. ; 156:7
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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| 10. |
- Cho, Eunyoung, et al.
(författare)
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Alcohol intake and colorectal cancer : a pooled analysis of 8 cohort studies
- 2004
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Ingår i: Annals of Internal Medicine. - : American College of Physicians. - 0003-4819 .- 1539-3704. ; 140:8, s. 603-613
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Epidemiologic studies have generally reported positive associations between alcohol consumption and risk for colorectal cancer. However, findings related to specific alcoholic beverages or different anatomic sites in the large bowel have been inconsistent. OBJECTIVE: To examine the relationship of total alcohol intake and intake from specific beverages to the incidence of colorectal cancer and to evaluate whether other potential risk factors modify the association. DESIGN: Pooled analysis of primary data from 8 cohort studies in 5 countries. SETTING: North America and Europe. PARTICIPANTS: 489,979 women and men with no history of cancer other than nonmelanoma skin cancer at baseline. MEASUREMENTS: Alcohol intake was assessed in each study at baseline by using a validated food-frequency questionnaire. RESULTS: During a maximum of 6 to 16 years of follow-up across the studies, 4687 cases of colorectal cancer were documented. In categorical analyses, increased risk for colorectal cancer was limited to persons with an alcohol intake of 30 g/d or greater (approximately > or =2 drinks/d), a consumption level reported by 4% of women and 13% of men. Compared with nondrinkers, the pooled multivariate relative risks were 1.16 (95% CI, 0.99 to 1.36) for persons who consumed 30 to less than 45 g/d and 1.41 (CI, 1.16 to 1.72) for those who consumed 45 g/d or greater. No significant heterogeneity by study or sex was observed. The association was evident for cancer of the proximal colon, distal colon, and rectum. No clear difference in relative risks was found among specific alcoholic beverages. LIMITATIONS: The study included only one measure of alcohol consumption at baseline and could not investigate lifetime alcohol consumption, alcohol consumption at younger ages, or changes in alcohol consumption during follow-up. It also could not examine drinking patterns or duration of alcohol use. CONCLUSIONS: A single determination of alcohol intake correlated with a modest relative elevation in colorectal cancer rate, mainly at the highest levels of alcohol intake.
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| 11. |
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| 12. |
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| 13. |
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| 14. |
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| 15. |
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| 16. |
- Gartlehner, Gerald, et al.
(författare)
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Comparative benefits and harms of second-generation antidepressants for treating major depressive disorder : an updated meta-analysis.
- 2011
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Ingår i: Annals of Internal Medicine. - : American College of Physicians. - 0003-4819 .- 1539-3704. ; 155:11, s. 772-785
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Second-generation antidepressants dominate the management of major depressive disorder (MDD), but evidence on the comparative benefits and harms of these agents is contradictory.PURPOSE: To compare the benefits and harms of second-generation antidepressants for treating MDD in adults.DATA SOURCES: English-language studies from PubMed, Embase, the Cochrane Library, PsycINFO, and International Pharmaceutical Abstracts from 1980 to August 2011 and reference lists of pertinent review articles and gray literature.STUDY SELECTION: 2 independent reviewers identified randomized trials of at least 6 weeks' duration to evaluate efficacy and observational studies with at least 1000 participants to assess harm.DATA EXTRACTION: Reviewers abstracted data about study design and conduct, participants, and interventions and outcomes and rated study quality. A senior reviewer checked and confirmed extracted data and quality ratings.DATA SYNTHESIS: Meta-analyses and mixed-treatment comparisons of response to treatment and weighted mean differences were conducted on specific scales to rate depression. On the basis of 234 studies, no clinically relevant differences in efficacy or effectiveness were detected for the treatment of acute, continuation, and maintenance phases of MDD. No differences in efficacy were seen in patients with accompanying symptoms or in subgroups based on age, sex, ethnicity, or comorbid conditions. Individual drugs differed in onset of action, adverse events, and some measures of health-related quality of life.LIMITATIONS: Most trials were conducted in highly selected populations. Publication bias might affect the estimates of some comparisons. Mixed-treatment comparisons cannot conclusively exclude differences in efficacy. Evidence within subgroups was limited.CONCLUSION: Current evidence does not warrant recommending a particular second-generation antidepressant on the basis of differences in efficacy. Differences in onset of action and adverse events may be considered when choosing a medication.PRIMARY FUNDING SOURCE: Agency for Healthcare Research and Quality.
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| 17. |
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| 18. |
- Jensen, Jane, et al.
(författare)
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Fall and injury prevention in older people living in residential care facilities : A cluster randomized trial
- 2002
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Ingår i: Annals of Internal Medicine. - : American College of Physicians. - 0003-4819 .- 1539-3704. ; 136:10, s. 733-41
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Falls and resulting injuries are particularly common in older people living in residential care facilities, but knowledge about the prevention of falls is limited. OBJECTIVE: To investigate whether a multifactorial intervention program would reduce falls and fall-related injuries. DESIGN: A cluster randomized, controlled, nonblinded trial. SETTING: 9 residential care facilities located in a northern Swedish city. PATIENTS: 439 residents 65 years of age or older. INTERVENTION: An 11-week multidisciplinary program that included both general and resident-specific, tailored strategies. The strategies comprised educating staff, modifying the environment, implementing exercise programs, supplying and repairing aids, reviewing drug regimens, providing free hip protectors, having post-fall problem-solving conferences, and guiding staff. MEASUREMENTS: The primary outcomes were the number of residents sustaining a fall, the number of falls, and the time to occurrence of the first fall. A secondary outcome was the number of injuries resulting from falls. RESULTS: During the 34-week follow-up period, 82 residents (44%) in the intervention program sustained a fall compared with 109 residents (56%) in the control group (risk ratio, 0.78 [95% CI, 0.64 to 0.96]). The adjusted odds ratio was 0.49 (CI, 0.37 to 0.65), and the adjusted incidence rate ratio of falls was 0.60 (CI, 0.50 to 0.73). Each of 3 residents in the intervention group and 12 in the control group had 1 femoral fracture (adjusted odds ratio, 0.23 [CI, 0.06 to 0.94]). Clustering was considered in all regression models. CONCLUSION: An interdisciplinary and multifactorial prevention program targeting residents, staff, and the environment may reduce falls and femoral fractures.
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| 19. |
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| 20. |
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| 21. |
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| 22. |
- Lebwohl, Benjamin, et al.
(författare)
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Mucosal Healing and Risk for Lymphoproliferative Malignancy in Celiac Disease A Population-Based Cohort Study
- 2013
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Ingår i: Annals of Internal Medicine. - Columbia Univ, Coll Phys & Surg, New York, NY USA. Karolinska Univ Hosp, Stockholm, Sweden. Karolinska Inst, Stockholm, Sweden. Mayo Clin, Coll Med, Rochester, MN USA. Orebro Univ Hosp, SE-70185 Orebro, Sweden. : American College of Physicians. - 0003-4819 .- 1539-3704. ; 159:3, s. 169-
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Tidskriftsartikel (refereegranskat)abstract
- Background: Celiac disease (CD) is associated with an increased risk for lymphoproliferative malignancy (LPM). Whether this risk is affected by the results of follow-up intestinal biopsy, performed to document mucosal healing, is unknown. Objective: To examine the association between mucosal healing in CD and subsequent LPM. Design: Population-based cohort study. Setting: 28 pathology departments in Sweden. Patients: 7625 patients with CD who had follow-up biopsy after initial diagnosis. Measurements: The risk for LPM was compared with that of the general population by using expected rates. The rate of LPM in patients with persistent villous atrophy was compared with that of those with mucosal healing by using Cox regression. Results: Among 7625 patients with CD and follow-up biopsy, 3308 (43%) had persistent villous atrophy. The overall risk for LPM was higher than that in the general population (standardized incidence ratio [SIR], 2.81 [95% CI, 2.10 to 3.67]) and was greater among patients with persistent villous atrophy (SIR, 3.78 [CI, 2.71 to 5.12]) than among those with mucosal healing (SIR, 1.50 [CI, 0.77 to 2.62]). Persistent villous atrophy compared with mucosal healing was associated with an increased risk for LPM (hazard ratio [HR], 2.26 [CI, 1.18 to 4.34]). The risk for T-cell lymphoma was increased (HR, 3.51 [CI, 0.75 to 16.34]) but not for B-cell lymphoma (HR, 0.97 [CI, 0.21 to 4.49]). Limitation: No data on dietary adherence. Conclusion: Increased risk for LPM in CD is associated with the follow-up biopsy results, with a higher risk among patients with persistent villous atrophy. Follow-up biopsy may effectively stratify patients with CD by risk for subsequent LPM.
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| 23. |
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| 24. |
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| 25. |
- Melhus, Håkan, et al.
(författare)
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Excessive dietary intake of vitamin A is associated with reduced bone mineral density and increased risk for hip fracture
- 1998
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Ingår i: Annals of Internal Medicine. - : American College of Physicians. - 0003-4819 .- 1539-3704. ; 129:10, s. 770-8
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: The highest incidence of osteoporotic fractures is found in northern Europe, where dietary intake of vitamin A (retinol) is unusually high. In animals, the most common adverse effect of toxic doses of retinol is spontaneous fracture. OBJECTIVE: To investigate whether excessive dietary intake of vitamin A is associated with decreased bone mineral density and increased risk for hip fracture. DESIGN: A cross-sectional study and a nested case-control study. SETTING: Two counties in central Sweden. PARTICIPANTS: For the cross-sectional study, 175 women 28 to 74 years of age were randomly selected. For the nested case-control study, 247 women who had a first hip fracture within 2 to 64 months after enrollment and 873 age-matched controls were selected from a mammography study cohort of 66,651 women 40 to 76 years of age. MEASUREMENTS: Retinol intake was estimated from dietary records and a food-frequency questionnaire. Bone mineral density was measured with dual-energy x-ray absorptiometry. Hip fracture was identified by using hospital discharge records and was confirmed by record review. RESULTS: In multivariate analysis, retinol intake was negatively associated with bone mineral density. For every 1-mg increase in daily intake of retinol, risk for hip fracture increased by 68% (95% CI, 18% to 140%; P for trend, 0.006). For intake greater than 1.5 mg/d compared with intake less than 0.5 mg/d, bone mineral density was reduced by 10% at the femoral neck (P = 0.05), 14% at the lumbar spine (P = 0.001), and 6% for the total body (P = 0.009) and risk for hip fracture was doubled (odds ratio, 2.1 [CI, 1.1 to 4.0]). CONCLUSION: High dietary intake of retinol seems to be associated with osteoporosis.
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| 26. |
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| 27. |
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| 28. |
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| 29. |
- Ronco, G, et al.
(författare)
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Screening for cervical cancer
- 2012
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Ingår i: Annals of internal medicine. - : American College of Physicians. - 1539-3704 .- 0003-4819. ; 156:8, s. 604-605
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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| 30. |
- Shekelle, PG, et al.
(författare)
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Advancing the science of patient safety
- 2011
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Ingår i: Annals of internal medicine. - : American College of Physicians. - 1539-3704 .- 0003-4819. ; 154:10, s. 693-696
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Tidskriftsartikel (refereegranskat)
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| 31. |
- Sjölund, Maria, et al.
(författare)
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Long-term persistence of resistant Enterococcus species after antibiotics to eradicate Helicobacter pylori
- 2003
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Ingår i: Annals of Internal Medicine. - : American College of Physicians. - 0003-4819 .- 1539-3704. ; 139:6, s. 483-7
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- BACKGROUND: Antibiotic treatment selects for resistance not only in the pathogen to which it is directed but also in the indigenous microflora. OBJECTIVE: To determine whether a widely used regimen (clarithromycin, metronidazole, and omeprazole) for Helicobacter pylori eradication affects resistance development in enterococci. DESIGN: Cohort study. SETTING: Endoscopy units at 3 community hospitals in Sweden. PATIENTS: 5 consecutive dyspeptic patients who were colonized with H. pylori, had endoscopy-confirmed duodenal ulcer, and received antibiotic treatment, and 5 consecutive controls with dyspepsia but no ulcer who did not receive treatment. MEASUREMENTS: Fecal samples were obtained from patients and controls before, immediately after, 1 year after, and 3 years after treatment. From each patient and sample, enterococci were isolated and analyzed for DNA fingerprint, clarithromycin susceptibility, and presence of the erm(B) gene. RESULTS: In treated patients, all enterococci isolated immediately after treatment showed high-level clarithromycin resistance due to erm(B). In 3 patients, resistant enterococci persisted for 1 to 3 years after treatment. No resistance developed among controls. CONCLUSION: A common H. pylori treatment selects for highly resistant enterococci that can persist for at least 3 years without further selection.
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| 32. |
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| 33. |
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| 34. |
- Widell, Anders, et al.
(författare)
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Epidemiologic and molecular investigation of outbreaks of hepatitis C virus infection on a pediatric oncology service
- 1999
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Ingår i: Annals of Internal Medicine. - : American College of Physicians. - 0003-4819. ; 130:2, s. 130-134
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Despite screening of blood donors, hepatitis C virus (HCV) infection can occur in patients who receive multiple transfusions. OBJECTIVE: To clarify mechanisms of nosocomial transmission of HCV. DESIGN: Epidemiologic and molecular analyses of hepatitis C outbreaks. SETTING: Pediatric oncology ward. PATIENTS: Children with cancer. MEASUREMENTS: Epidemiologic analysis, HCV RNA detection, genotyping, and hypervariable region 1 (HVR1) sequencing. RESULTS: Ten cases of infection with acute HCV genotype 3a occurred between 1990 and 1993. Sequencing of HVR1 revealed three related strains. Despite an overhaul of hygiene procedures, a patient infected with genotype 1b generated nine subsequent infected patients in 1994. Several patients had high virus titers and strongly delayed anti-HCV antibody responses. All had permanent intravenous catheters. Multidose vials used for flushing or treatment had probably been contaminated during periods of overlapping treatment. CONCLUSIONS: Contamination of multidose vials was the most likely mode of HCV transmission; therefore, use of such vials should be restricted. Rigorous adherence to hygiene routines remains essential to preventing transmission of bloodborne infections.
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| 35. |
- Bergfeldt, L
(författare)
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HLA-B27-associated cardiac disease
- 1997
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Ingår i: Annals of internal medicine. - 0003-4819. ; 127:88 Pt 1, s. 621-629
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Tidskriftsartikel (refereegranskat)
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| 36. |
- Awan, Ahmed Arslan Yousuf, et al.
(författare)
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Prevention, Diagnosis, Evaluation, and Treatment of Hepatitis C in Chronic Kidney Disease: Synopsis of the Kidney Disease: Improving Global Outcomes 2022 Clinical Practice Guideline
- 2023
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Ingår i: Annals of Internal Medicine. - : AMER COLL PHYSICIANS. - 0003-4819 .- 1539-3704. ; 176, s. 1648-1655
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Tidskriftsartikel (refereegranskat)abstract
- Description: The Kidney Disease: Improving Global Outcomes (KDIGO) 2022 clinical practice guideline on prevention, diagnosis, evaluation, and treatment of hepatitis C in chronic kidney disease (CKD) is an update of the 2018 guideline from KDIGO.Methods: The KDIGO Work Group (WG) updated the guideline, which included reviewing and grading new evidence that was identified and summarized. As in the previous guideline, the WG used the GRADE (Grading of Recommendations Assessment, Development and Evaluation) approach to appraise evidence and rate the strength of recommendations and used expert judgment to develop recommendations. New evidence led to updating of recommendations in the chapters on treatment of hepatitis C virus (HCV) infection in patients with CKD (Chapter 2), management of HCV infection before and after kidney transplant (Chapter 4), and diagnosis and management of kidney disease associated with HCV infection (Chapter 5). Recommendations in chapters on detection and evaluation of hepatitis C in CKD (Chapter 1) and prevention of HCV transmission in hemodialysis units (Chapter 3) were not updated because of an absence of significant new evidence.Recommendations: The 2022 updated guideline includes 43 graded recommendations and 20 ungraded recommendations, 7 of which are new or modified on the basis of the most recent evidence and consensus among the WG members. The updated guidelines recommend expanding treatment of hepatitis C with sofosbuvir-based regimens to patients with CKD glomerular filtration rate categories G4 and G5, including those receiving dialysis; expanding the donor pool for kidney transplant recipients by accepting HCV-positive kidneys regardless of the recipient's HCV status; and initiating direct-acting antiviral treatment of HCV-infected patients with clinical evidence of glomerulonephritis without requiring kidney biopsy. The update also addresses the use of immunosuppressive regimens in such patients.
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| 37. |
- Axelsen, Mette, 1965, et al.
(författare)
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Postprandial hypertriglyceridemia and insulin resistance in normoglycemic first-degree relatives of patients with type 2 diabetes.
- 1999
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Ingår i: Annals of internal medicine. - 0003-4819 .- 1539-3704. ; 131:1, s. 27-31
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Impaired ability to eliminate lipids in the postprandial state is an atherogenic trait associated with insulin resistance. OBJECTIVE: To assess insulin sensitivity and postprandial triglyceride metabolism in prediabetic persons. DESIGN: Cross-sectional study. SETTING: Sahlgrenska University Hospital, Göteborg, Sweden. PARTICIPANTS: 13 healthy, normotriglyceridemic men with two first-degree relatives with type 2 diabetes and 13 carefully matched controls without known diabetes heredity. MEASUREMENTS: Oral glucose tolerance test, insulin sensitivity (euglycemic clamp technique), and fasting and postprandial triglyceride levels after a mixed meal. RESULTS: Relatives of persons with type 2 diabetes were insulin resistant but had normal glucose tolerance. They exhibited postprandial hypertriglyceridemia; the 6-hour triglyceride incremental area under the curve was 50% higher than that of the control group (P = 0.037). CONCLUSIONS: These healthy male first-degree relatives of patients with type 2 diabetes are insulin resistant and exhibit postprandial lipid intolerance despite having normal fasting triglyceride levels. These characteristics, which occur in the absence of glucose intolerance, are associated with an increased risk for macroangiopathy.
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| 38. |
- Barnett, Brian S, et al.
(författare)
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The Invisible People Behind Our Masks
- 2021
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Ingår i: Annals of Internal Medicine. - 0003-4819 .- 1539-3704. ; 174:4, s. 550-552
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Tidskriftsartikel (refereegranskat)
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| 39. |
- Chaturvedi, N
(författare)
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Should all patients with type 1 diabetes mellitus and microalbuminuria receive angiotensin-converting enzyme inhibitors? A meta-analysis of individual patient data
- 2001
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Ingår i: Annals of Internal Medicine. - 0003-4819 .- 1539-3704. ; 134:5, s. 370-379
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: To determine whether response of albumin excretion rate, to angiotensin-converting enzyme (ACE) inhibitors has a threshold in patients with type 1 diabetes mellitus and microalbuminuria and to examine treatment effect according to covariates. Data Sources: Studies were identified by searching MEDLINE and related bibliographies. Study Selection: selected studies included at least 10 normotensive patients with type 1 diabetes mellitus and microalbuminuria, had a placebo or nonintervention group, and included at least 1 year of follow-up. Data Extraction: Raw data were obtained for 698 patients from the 12 identified trials. Analysis of treatment effect at 2 years was restricted to trials with at least 2 years of follow-up (646 patients from 10 trials). Data Synthesis: In patients receiving ACE inhibitors, progression to macroalbuminuria was reduced (odds ratio, 0.38 [95% Cl, 0.25 to 0.57]) and the odds ratio for regression to normoalbuminuria was 3.07 (Cl, 2.15 to 4.44). At 2 years, albumin excretion rate was 50.5% (Cl, 29.2% to 65.5%) lower in treated patients than in those receiving placebo (P < 0.001). Estimated treatment effect varied by baseline albumin excretion rate (74.1% and 17.8% in patients with a rate of 200 g/min and 20 mug/min, respectively [P = 0.04]) but not by patient subgroup. Adjustment for change in blood pressure attenuated the treatment difference in albumin excretion rate at 2 years to 45.1% (Cl, 18.6% to 63.1%, P < 0.001). Conclusions: In normotensive patients with type 1 diabetes mellitus and microalbuminuria, ACE inhibitors significantly reduced progression to macroalbuminuria and increased chances of regression. Beneficial effects were weaker at the lowest levels of microalbuminuria but did not differ according to other baseline risk factors. Changes in blood pressure cannot entirely explain the antiproteinuric effect of ACE inhibitors.
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| 40. |
- Chiang, Cho-Han, et al.
(författare)
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Performance of the European Society of Cardiology 0/1-Hour, 0/2-Hour, and 0/3-Hour Algorithms for Rapid Triage of Acute Myocardial Infarction : An International Collaborative Meta-analysis
- 2022
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Ingår i: Annals of Internal Medicine. - 0003-4819. ; 175:1, s. 101-113
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Forskningsöversikt (refereegranskat)abstract
- BACKGROUND: The 2020 European Society of Cardiology (ESC) guidelines recommend using the 0/1-hour and 0/2-hour algorithms over the 0/3-hour algorithm as the first and second choices of high-sensitivity cardiac troponin (hs-cTn)-based strategies for triage of patients with suspected acute myocardial infarction (AMI).PURPOSE: To evaluate the diagnostic accuracies of the ESC 0/1-hour, 0/2-hour, and 0/3-hour algorithms.DATA SOURCES: PubMed, Embase, Cochrane Central Register of Controlled Trials, Web of Science, and Scopus from 1 January 2011 to 31 December 2020. (PROSPERO: CRD42020216479).STUDY SELECTION: Prospective studies that evaluated the ESC 0/1-hour, 0/2-hour, or 0/3-hour algorithms in adult patients presenting with suspected AMI.DATA EXTRACTION: The primary outcome was index AMI. Twenty unique cohorts were identified. Primary data were obtained from investigators of 16 cohorts and aggregate data were extracted from 4 cohorts. Two independent authors assessed each study for methodological quality.DATA SYNTHESIS: A total of 32 studies (20 cohorts) with 30 066 patients were analyzed. The 0/1-hour algorithm had a pooled sensitivity of 99.1% (95% CI, 98.5% to 99.5%) and negative predictive value (NPV) of 99.8% (CI, 99.6% to 99.9%) for ruling out AMI. The 0/2-hour algorithm had a pooled sensitivity of 98.6% (CI, 97.2% to 99.3%) and NPV of 99.6% (CI, 99.4% to 99.8%). The 0/3-hour algorithm had a pooled sensitivity of 93.7% (CI, 87.4% to 97.0%) and NPV of 98.7% (CI, 97.7% to 99.3%). Sensitivity of the 0/3-hour algorithm was attenuated in studies that did not use clinical criteria (GRACE score <140 and pain-free) compared with studies that used clinical criteria (90.2% [CI, 82.9 to 94.6] vs. 98.4% [CI, 88.6 to 99.8]). All 3 algorithms had similar specificities and positive predictive values for ruling in AMI, but heterogeneity across studies was substantial. Diagnostic performance was similar across the hs-cTnT (Elecsys; Roche), hs-cTnI (Architect; Abbott), and hs-cTnI (Centaur/Atellica; Siemens) assays.LIMITATION: Diagnostic accuracy, inclusion and exclusion criteria, and cardiac troponin sampling time varied among studies.CONCLUSION: The ESC 0/1-hour and 0/2-hour algorithms have higher sensitivities and NPVs than the 0/3-hour algorithm for index AMI.PRIMARY FUNDING SOURCE: National Taiwan University Hospital.
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| 41. |
- Crump, Casey, et al.
(författare)
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Physical fitness among swedish military conscripts and long-term risk for type 2 diabetes mellitus a cohort study
- 2016
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Ingår i: Annals of Internal Medicine. - 0003-4819. ; 164:9, s. 577-584
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Tidskriftsartikel (refereegranskat)abstract
- Background: Early-life physical fitness has rarely been examined in relation to type 2 diabetes mellitus (DM) in adulthood because of the lengthy follow-up required. Elucidation of modifiable risk factors at young ages may help facilitate earlier and more effective interventions. Objective: To examine aerobic capacity and muscle strength at age 18 years in relation to risk for type 2 DM in adulthood. Design: National cohort study. Setting: Sweden. Participants: 1 534 425 military conscripts from 1969 to 1997 (97% to 98% of all men aged 18 years nationwide) without prior type 2 DM. Measurements: Aerobic capacity and muscle strength (measured in watts and newtons per kilogram of body weight, respectively) were examined in relation to type 2 DM identified from outpatient and inpatient diagnoses from 1987 to 2012 (maximum age, 62 years). Results: 34 008 men were diagnosed with type 2 DM in 39.4 million person-years of follow-up. Low aerobic capacity and muscle strength were independently associated with increased risk for type 2 DM. The absolute difference in cumulative incidence of type 2 DM between the lowest and highest tertiles of both aerobic capacity and strength was 0.22% at 20 years of follow-up (95% CI, 0.20% to 0.25%), 0.76% at 30 years (CI, 0.71% to 0.81%), and 3.97% at 40 years (CI, 3.87% to 4.06%). Overall, the combination of low aerobic capacity and muscle strength was associated with a 3-fold risk for type 2 DM(adjusted hazard ratio, 3.07 [CI, 2.88 to 3.27]; P <0.001), with a positive additive interaction (P <0.001). These associations were seen even among men with normal body mass index. Limitation: This cohort did not include women and did not measure physical fitness at older ages. Conclusion: In this large cohort of Swedish male military conscripts, low aerobic capacity and muscle strength at age 18 years were associated with increased long-term risk for type 2 DM, even among those with normal body mass index. Primary Funding Source: National Institutes of Health.
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| 42. |
- Cullhed, I, et al.
(författare)
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Letter : Coronary care
- 1975
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Ingår i: Annals of Internal Medicine. - 0003-4819 .- 1539-3704. ; 83:4, s. 575-
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Tidskriftsartikel (refereegranskat)
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| 43. |
- Dahlen, Torsten, et al.
(författare)
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Cardiovascular Events Associated With Use of Tyrosine Kinase Inhibitors in Chronic Myeloid Leukemia : A Population-Based Cohort Study
- 2016
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Ingår i: Annals of Internal Medicine. - Karolinska Univ Hosp, Stockholm, Sweden. Karolinska Inst, Stockholm, Sweden. Reg Canc Ctr, Uppsala, Sweden. Univ Uppsala Hosp, Uppsala, Sweden. Umea Univ, Umea, Sweden. Skane Univ Hosp, Lund, Sweden. [Dahlen, Torsten; Bjorkholm, Magnus; Ohm, Lotta; Stenke, Leif] Karolinska Univ Hosp Solna, Div matol, Dept Med, SE-17176 Stockholm, Sweden. [Edgren, Gustaf; Lambe, Mats] Karolinska Inst, Dept Med Epidemiol & Biostat, SE-17177 Stockholm, eden. [Hoglund, Martin; Olsson-Stromberg, Ulla] Univ Hosp, Dept Med Sci, SE-75185 Uppsala, Sweden. [Hoglund, Martin; Olsson-Stromberg, Ulla] Univ Hosp, Div Hematol, SE-75185 Uppsala, Sweden. [Sandin, Fredrik] Uppsala Univ Hosp, Reg Canc Ctr, SE-75185 Uppsala, Sweden. [Sjalander, Anders] Umea Univ, Dept Publ Hlth & Clin Med, SE-90185 Umea, Sweden. [Richter, Johan] Skane Univ Hosp, Dept Hematol & Vasc Disorders, SE-22241 Lund, Sweden. [Back, Magnus] Karolinska Univ Hosp, Dept Cardiol, SE-17176 Stockholm, Sweden.. - 0003-4819 .- 1539-3704. ; 165:3, s. 161-166
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Tidskriftsartikel (refereegranskat)abstract
- Background: Tyrosine kinase inhibitors (TKIs) have increased survival dramatically for patients with chronic myeloid leukemia (CML), but continuous administration of these drugs may elicit long-term toxicity.Objective: To investigate the incidence of vascular events in patients with CML treated with first-and second-generation TKIs.Design: Retrospective cohort study using nationwide population-based registries.Setting: Sweden.Patients: All patients diagnosed with chronic-phase CML in Sweden from 2002 to 2012 and treated with a TKI, and 5 age- and sex-matched control individuals per patient.Measurements: Relative risks, expressed as incidence rate ratios comparing patients with control individuals, were calculated. Events per 1000 person-years were assessed in interdrug comparisons.Results: 896 patients, 94.4% with documented TKI treatment, were followed for a median of 4.2 years. There were 54 arterial and 20 venous events in the CML cohort, corresponding to relative risks of 1.5 (95% CI, 1.1 to 2.1) and 2.0 (CI, 1.2 to 3.3), respectively. The event rate for myocardial infarction was higher in patients treated with nilotinib or dasatinib (29 and 19 per 1000 person-years, respectively) than in those receiving imatinib (8 per 1000 person-years), although data are limited and the CIs were wide and overlapped. Among 31 patients treated with a TKI who had myocardial infarction, 26 (84%) had at least 1 major cardiac risk factor diagnosed before the event occurred.Limitations: Patients may have been exposed to multiple TKIs. Data on second-and third-generation TKIs were limited.Conclusion: An increased risk for arterial and venous vascular events was seen in patients with CML treated with a TKI. Further study is needed to determine whether the risk for myocardial infarction increases with second-generation drugs.
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| 44. |
- de Groot, Kirsten, et al.
(författare)
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Pulse Versus Daily Oral Cyclophosphamide for Induction of Remission in Antineutrophil Cytoplasmic Antibody-Associated Vasculitis A Randomized Trial
- 2009
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Ingår i: Annals of Internal Medicine. - 0003-4819. ; 150:10, s. 3-670
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Tidskriftsartikel (refereegranskat)abstract
- Background: Current therapies for antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis are limited by toxicity. Objective: To compare pulse cyclophosphamide with daily oral cyclophosphamide for induction of remission. Design: Randomized, controlled trial. Random assignments were computer-generated; allocation was concealed by faxing centralized treatment assignment to providers at the time of enrollment. Patients, investigators, and assessors of outcomes were not blinded to assignment. Setting: 42 centers in 12 European countries. Patients: 149 patients who had newly diagnosed generalized ANCA-associated vasculitis with renal involvement but not immediately life-threatening disease. Intervention: Pulse cyclophosphamide, 15 mg/kg every 2 to 3 weeks (76 patients), or daily oral cyclophosphamide, 2 mg/kg per day (73 patients), plus prednisolone. Measurement: Time to remission (primary outcome); change in renal function, adverse events, and cumulative dose of cyclophosphamide (secondary outcomes). Results: Groups did not differ in time to remission (hazard ratio, 1.098 [95% CI, 0.78 to 1.55]; P = 0.59) or proportion of patients who achieved remission at 9 months (88.1% vs. 87.7%). Thirteen patients in the pulse group and 6 in the daily oral group achieved remission by 9 months and subsequently had relapse. Absolute cumulative cyclophosphamide dose in the daily oral group was greater than that in the pulse group (15.9 g [interquartile range, 11 to 22.5 g] vs. 8.2 g [interquartile range, 5.95 to 10.55 g]; P < 0.001). The pulse group had a lower rate of leukopenia (hazard ratio, 0.41 [CI, 0.23 to 0.71]). Limitations: The study was not powered to detect a difference in relapse rates between the 2 groups. Duration of follow-up was limited. Conclusion: The pulse cyclophosphamide regimen induced remission of ANCA-associated vasculitis as well as the daily oral regimen at a reduced cumulative cyclophosphamide dose and caused fewer cases of leukopenia. Primary Funding Source: The European Union.
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| 45. |
- Edgren, Gustaf, et al.
(författare)
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Transmission of Neurodegenerative Disorders Through Blood Transfusion A Cohort Study
- 2016
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Ingår i: Annals of Internal Medicine. - 0003-4819 .- 1539-3704. ; 165:5, s. 316-
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Tidskriftsartikel (refereegranskat)abstract
- Background: The aggregation of misfolded proteins in the brain occurs in several neurodegenerative disorders. Aberrant protein aggregation is inducible in rodents and primates by intracerebral inoculation. Possible transfusion transmission of neurodegenerative diseases has important public health implications. Objective: To investigate possible transfusion transmission of neurodegenerative disorders. Design: Retrospective cohort study. Setting: Nationwide registers of transfusions in Sweden and Denmark. Participants: 1 465 845 patients who received transfusions between 1968 and 2012. Measurements: Multivariable Cox regression models were used to estimate hazard ratios for dementia of any type, Alzheimer disease, and Parkinson disease in patients receiving blood transfusions from donors who were later diagnosed with any of these diseases versus patients who received blood from healthy donors. Whether excess occurrence of neurodegenerative disease occurred among recipients of blood from a subset of donors was also investigated. As a positive control, transmission of chronic hepatitis before and after implementation of hepatitis C virus screening was assessed. Results: Among included patients, 2.9% received a transfusion from a donor diagnosed with one of the studied neurodegenerative diseases. No evidence of transmission of any of these diseases was found, regardless of approach. The hazard ratio for dementia in recipients of blood from donors with dementia versus recipients of blood from healthy donors was 1.04 (95% CI, 0.99 to 1.09). Corresponding estimates for Alzheimer disease and Parkinson disease were 0.99 (CI, 0.85 to 1.15) and 0.94 (CI, 0.78 to 1.14), respectively. Hepatitis transmission was detected before but not after implementation of hepatitis C virus screening. Limitation: Observational study design, underascertainment of the outcome, and possible insufficient statistical power. Conclusion: The data provide no evidence for the transmission of neurodegenerative diseases and suggest that if transmission does occur, it is rare.
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| 46. |
- Felson, David T, et al.
(författare)
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Knee buckling: prevalence, risk factors, and associated limitations in function
- 2007
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Ingår i: Annals of Internal Medicine. - 0003-4819. ; 147:8, s. 534-540
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Knee buckling is common in persons with advanced knee osteoarthritis and after orthopedic procedures. Its prevalence in the community is unknown. OBJECTIVE: To examine the prevalence of knee buckling in the community, its associated risk factors, and its relation to functional limitation. DESIGN: Cross-sectional, population-based study. SETTING: The Framingham Osteoarthritis Study. PARTICIPANTS: 2351 men and women age 36 to 94 years (median, 63.5 years). MEASUREMENTS: Participants were asked whether they had experienced knee buckling or "giving way" and whether it led to falling. They were also asked about knee pain and limitations in function by using the Short Form-12 and Western Ontario and McMaster Universities Osteoarthritis Index, had isometric tests of quadriceps strength, and underwent weight-bearing radiography and magnetic resonance imaging of the knee. Radiographs were scored for osteoarthritis by using the Kellgren-Lawrence scale, and magnetic resonance images were read for anterior cruciate ligament tears. The relationship of buckling to functional limitation was examined by using logistic regression that adjusted for age, sex, body mass index, and knee pain severity. RESULTS: Two hundred seventy-eight participants (11.8%) experienced at least 1 episode of knee buckling within the past 3 months; of these persons, 217 (78.1%) experienced more than 1 episode and 35 (12.6%) fell during an episode. Buckling was independently associated with the presence of knee pain and with quadriceps weakness. Over half of those with buckling had no osteoarthritis on radiography. Persons with knee buckling had worse physical function than those without buckling, even after adjustment for severity of knee pain and weakness. For example, 46.9% of participants with buckling and 21.7% of those without buckling reported limitations in their work (adjusted odds ratio, 2.0 [95% CI, 1.5 to 2.7]). LIMITATION: Causal inferences are limited because of the study's cross-sectional design. CONCLUSION: In adults, knee buckling is common and is associated with functional loss.
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| 47. |
- Fox, Keith A., et al.
(författare)
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Influence of renal function on the efficacy and safety of fondaparinux relative to enoxaparin in non-ST-segment elevation acute coronary syndromes
- 2007
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Ingår i: Annals of Internal Medicine. - 0003-4819 .- 1539-3704. ; 147:5, s. 304-310
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: A recent randomized, controlled trial, the Fifth Organization to Assess Strategies in Acute Ischemic Syndromes (OASIS 5) trial, reported that major bleeding was 2-fold less frequent with fondaparinux than with enoxaparin in acute coronary syndromes (ACS). Renal dysfunction increases the risk for major bleeding. OBJECTIVE: To compare the efficacy and safety of fondaparinux and enoxaparin over the spectrum of renal dysfunction observed in the OASIS 5 trial. DESIGN: Subgroup analysis of a randomized, controlled trial. SETTING: Patients presenting to the hospital with non-ST-segment elevation ACS. PATIENTS: 19,979 of the 20,078 patients in the OASIS 5 trial in whom creatinine was measured at baseline. MEASUREMENTS: Death, myocardial infarction, refractory ischemia, and major bleeding were evaluated separately and as a composite end point at 9, 30, and 180 days. Glomerular filtration rate (GFR) was calculated by using the Modification of Diet in Renal Disease formula. RESULTS: The absolute differences in favor of fondaparinux (efficacy and safety) were most marked in patients with a GFR less than 58 mL/min per 1.73 m2; the largest differences occurred in major bleeding events. At 9 days, death, myocardial infarction, or refractory ischemia occurred in 6.7% of patients receiving fondaparinux and 7.4% of those receiving enoxaparin (hazard ratio, 0.90 [95% CI, 0.73 to 1.11]); major bleeding occurred in 2.8% and 6.4%, respectively (hazard ratio, 0.42 [CI, 0.32 to 0.56]). Statistically significant differences in major bleeding persisted at 30 and 180 days. The rates of the composite end point were lower with fondaparinux than with enoxaparin in all quartiles of GFR, but the differences were statistically significant only among patients with a GFR less than 58 mL/min per 1.73 m2. Limitations: Subgroup analyses warrant caution; the study was powered to detect noninferiority at 9 days. Fondaparinux is not approved for use in patients with ACS in the United States. CONCLUSIONS: The benefits of fondaparinux over enoxaparin when administered for non-ST-segment elevation ACS are most marked among patients with renal dysfunction and are largely explained by lower rates of major bleeding with fondaparinux.
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| 48. |
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| 49. |
- Gunter, Marc J, et al.
(författare)
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Coffee drinking and mortality in 10 European countries : A multinational cohort study
- 2017
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Ingår i: Annals of Internal Medicine. - 0003-4819 .- 1539-3704. ; 167:4, s. 236-247
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Tidskriftsartikel (refereegranskat)abstract
- Background: The relationship between coffee consumption and mortality in diverse European populations with variable coffee preparation methods is unclear. Objective: To examine whether coffee consumption is associated with all-cause and cause-specific mortality. Design: Prospective cohort study. Setting: 10 European countries. Participants: 521 330 persons enrolled in EPIC (European Prospective Investigation into Cancer and Nutrition). Measurements: Hazard ratios (HRs) and 95% CIs estimated using multivariable Cox proportional hazards models. The association of coffee consumption with serum biomarkers of liver function, inflammation, and metabolic health was evaluated in the EPIC Biomarkers subcohort (n = 14 800). Results: During a mean follow-up of 16.4 years, 41 693 deaths occurred. Compared with nonconsumers, participants in the highest quartile of coffee consumption had statistically significantly lower all-cause mortality (men: HR, 0.88 [95% CI, 0.82 to 0.95]; P for trend < 0.001; women: HR, 0.93 [CI, 0.87 to 0.98]; P for trend = 0.009). Inverse associations were also observed for digestive disease mortality for men (HR, 0.41 [CI, 0.32 to 0.54]; P for trend < 0.001) and women (HR, 0.60 [CI, 0.46 to 0.78]; P for trend < 0.001). Among women, there was a statistically significant inverse association of coffee drinking with circulatory disease mortality (HR, 0.78 [CI, 0.68 to 0.90]; P for trend < 0.001) and cerebrovascular disease mortality (HR, 0.70 [CI, 0.55 to 0.90]; P for trend = 0.002) and a positive association with ovarian cancer mortality (HR, 1.31 [CI, 1.07 to 1.61]; P for trend = 0.015). In the EPIC Biomarkers subcohort, higher coffee consumption was associated with lower serum alkaline phosphatase; alanine aminotransferase; aspartate aminotransferase; 7-glutamyltransferase; and, in women, C-reactive protein, lipoprotein(a), and glycated hemoglobin levels. Limitations: Reverse causality may have biased the findings; however, results did not differ after exclusion of participants who died within 8 years of baseline. Coffee-drinking habits were assessed only once. Conclusion: Coffee drinking was associated with reduced risk for death from various causes. This relationship did not vary by country.
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| 50. |
- Halmin, Märit, et al.
(författare)
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Length of Storage of Red Blood Cells and Patient Survival After Blood Transfusion : A Binational Cohort Study
- 2017
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Ingår i: Annals of Internal Medicine. - 0003-4819 .- 1539-3704. ; 166:4, s. 248-256
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Tidskriftsartikel (refereegranskat)abstract
- Background: Possible negative effects, including increased mortality, among persons who receive stored red blood cells (RBCs) have recently garnered considerable attention. Despite many studies, including 4 randomized trials, no consensus exists.Objective: To study the association between the length of RBC storage and mortality in a large population-based cohort of patients who received transfusions, allowing detection of small yet clinically significant effects.Design: Binational cohort study.Setting: All transfusion recipients in Sweden and Denmark. Patients: 854 862 adult patients who received transfusions from 2003 to 2012.Measurements: Patients were followed from first blood transfusion. Relative and absolute risks for death in 30 days or 1 year in relation to length of RBC storage were assessed by using 3 independent analytic approaches. All analyses were conducted by using Cox proportional hazards regression.Results: Regardless of the analytic approach, no association was found between the length of RBC storage and mortality. The difference in 30-day cumulative mortality between patients receiving blood stored for 30 to 42 days and those receiving blood stored for 10 to 19 days was -0.2% (95% CI, -0.5% to 0.1%). Even among patients who received more than 6 units of RBCs stored for 30 days or longer, the hazard ratio of death was 1.00 (CI, 0.96 to 1.05) compared with those who received no such units.Limitation: Observational study; risk of confounding by indication.Conclusion: Consistent with previous randomized trials, this study found no association between the length of storage of transfused RBCs and patient mortality. Results were homogeneous, with differences in absolute mortality consistently less than 1% among the most extreme exposure categories. These findings suggest that the current practice of storing RBCs for up to 42 days does not need to be changed.
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