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- Gustafson, Per, et al.
(författare)
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Tuberculosis mortality during a civil war in Guinea-Bissau
- 2001
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Ingår i: JAMA: The Journal of the American Medical Association. - : American Medical Association (AMA). - 1538-3598. ; 286:5, s. 599-603
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Tidskriftsartikel (refereegranskat)abstract
- CONTEXT: Tuberculosis (TB) is an increasing global problem, despite effective drug therapies. Access to TB therapy during conflict situations has not been studied. OBJECTIVE: To determine the effect of irregular TB treatment due to an armed conflict in Guinea-Bissau, West Africa. DESIGN, SETTING, AND PATIENTS: Ongoing retrospective cohort study conducted in the capital city of Bissau among 101 patients with TB who received irregular or no treatment during the civil war (war cohort; June 7-December 6, 1998) and 108 patients with TB who received treatment 12 months earlier (peace cohort; June 7-December 6, 1997) and comparison of an additional 42 patients who had completed treatment before June 6, 1998, and 69 patients who had completed treatment before June 6, 1997. MAIN OUTCOME MEASURE: Mortality rates, compared by irregular (war cohort) vs regular (peace cohort) access to treatment, by intensive vs continuation phase of treatment, and by those who had previously completed treatment for TB. RESULTS: Irregular treatment was associated with an increased mortality rate among patients with TB. The mortality rate ratio (MR) was 3.12 (95% confidence interval [CI], 1.20-8.12) in the war cohort, adjusting for age, sex, human immunodeficiency virus (HIV) infection, residence, and length of treatment. Each additional week of treatment before the war started increased probability of survival by 5% (95% CI, 0%-10%). In the intensive phase of treatment, the adjusted MR was 3.30 (95% CI, 1.04-10.50) and in the continuation phase it was 2.26 (95% CI, 0.33-15.34). Increased mortality among the war cohort was most marked in HIV-positive patients, who had an adjusted MR of 8.19 (95% CI, 1.62-41.25). Mortality was not increased in HIV-positive or HIV-negative patients who had completed TB treatment when the war started. CONCLUSIONS: Interruption of treatment had a profound impact on mortality among patients with TB during the war in Guinea-Bissau. Regular treatment for TB was associated with significantly improved survival for HIV-infected individuals. In emergencies, it is crucial to ensure availability of TB drugs.
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- Johansson, Jan-Erik, et al.
(författare)
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Natural history of early, localized prostate cancer
- 2004
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Ingår i: Journal of the American Medical Association (JAMA). - : American Medical Association (AMA). - 0098-7484 .- 1538-3598. ; 291:22, s. 2713-2719
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Tidskriftsartikel (refereegranskat)abstract
- CONTEXT: Among men with early prostate cancer, the natural history without initial therapy determines the potential for survival benefit following radical local treatment. However, little is known about disease progression and mortality beyond 10 to 15 years of watchful waiting. OBJECTIVE: To examine the long-term natural history of untreated, early stage prostatic cancer. DESIGN: Population-based, cohort study with a mean observation period of 21 years. SETTING: Regionally well-defined catchment area in central Sweden (recruitment March 1977 through February 1984). PATIENTS: A consecutive sample of 223 patients (98% of all eligible) with early-stage (T0-T2 NX M0 classification), initially untreated prostatic cancer. Patients with tumor progression were hormonally treated (either by orchiectomy or estrogens) if they had symptoms. MAIN OUTCOME MEASURES: Progression-free, cause-specific, and overall survival. RESULTS: After complete follow-up, 39 (17%) of all patients experienced generalized disease. Most cancers had an indolent course during the first 10 to 15 years. However, further follow-up from 15 (when 49 patients were still alive) to 20 years revealed a substantial decrease in cumulative progression-free survival (from 45.0% to 36.0%), survival without metastases (from 76.9% to 51.2%), and prostate cancer-specific survival (from 78.7% to 54.4%). The prostate cancer mortality rate increased from 15 per 1000 person-years (95% confidence interval, 10-21) during the first 15 years to 44 per 1000 person-years (95% confidence interval, 22-88) beyond 15 years of follow-up (P =.01). CONCLUSION: Although most prostate cancers diagnosed at an early stage have an indolent course, local tumor progression and aggressive metastatic disease may develop in the long term. These findings would support early radical treatment, notably among patients with an estimated life expectancy exceeding 15 years.
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- Orth-Gomér, K., et al.
(författare)
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Marital stress worsens prognosis in women with coronary heart disease : The Stockholm female coronary risk study
- 2000
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Ingår i: Journal of the American Medical Association (JAMA). - : American Medical Association. - 0098-7484 .- 1538-3598. ; 284:23, s. 3008-3014
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Tidskriftsartikel (refereegranskat)abstract
- Context: Psychosocial stress has been associated with incidence of coronary heart disease (CHD) in men, but the prognostic impact of such stress rarely has been studied in women. Objective: To investigate the prognostic impact of psychosocial work stress and marital stress among women with CHD. Design and Setting: Population-based, prospective follow-up study conducted in the city of Stockholm, Sweden. Participants: A total of 292 consecutive female patients aged 30 to 65 years (n = 279 working or cohabiting with a male partner) who were hospitalized for acute myocardial infarction or unstable angina pectoris between February 1991 and February 1994. Patients were followed up from the date of clinical examination until August 1997 (median, 4.8 years). Main Outcome Measures: Recurrent coronary events, including cardiac death, acute myocardial infarction, and revascularization procedures, by marital stress (assessed using the Stockholm Marital Stress Scale, a structured interview) and by work stress (assessed using the ratio of work demand to work control). Results: Among women who were married or cohabiting with a male partner (n = 187), marital stress was associated with a 2.9-fold (95% confidence interval [CI], 1.3-6.5) increased risk of recurrent events after adjustment for age, estrogen status, education level, smoking, diagnosis at index event, diabetes mellitus, systolic blood pressure, smoking, triglyceride level, high-density lipoprotein cholesterol level, and left ventricular dysfunction. Among working women (n = 200), work stress did not significantly predict recurrent coronary events (hazard ratio, 1.6; 95% CI, 0.8-3.3). Conclusions: Our results indicate that marital stress but not work stress predicts poor prognosis in women aged 30 to 65 years with CHD. These findings differ from previous findings in men and suggest that specific preventive measures be tailored to the needs of women with CHD.
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