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- Reims, H. M., et al.
(författare)
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Alcohol consumption and cardiovascular risk in hypertensives with left ventricular hypertrophy: the LIFE study
- 2004
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Ingår i: J Hum Hypertens. - : Springer Science and Business Media LLC. - 0950-9240 .- 1476-5527. ; 18:6, s. 381-9
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Tidskriftsartikel (refereegranskat)abstract
- The Losartan Intervention For End point reduction in hypertension (LIFE) study showed superiority of losartan over atenolol for reduction of composite risk of cardiovascular death, stroke, and myocardial infarction in hypertensives with left ventricular hypertrophy. We compared hazard ratios (HR) in 4287 and 685 participants who reported intakes of 1-7 and >8 drinks/week at baseline, respectively, with those in 4216 abstainers, adjusting for gender, age, smoking, exercise, and race. Within categories, clinical baseline characteristics, numbers randomized to losartan and atenolol, and blood pressure (BP) lowering were similar on the drug regimens. Overall BP control (<140/90 mmHg) at end of follow-up was similar in the categories. Composite end point rate was lower with 1-7 (24/1000 years; HR 0.87, P<0.05) and >8 drinks/week (26/1000 years; HR 0.80, NS) than in abstainers (27/1000 years). Myocardial infarction risk was reduced in both drinking categories (HR 0.76, P<0.05 and HR 0.29, P<0.001, respectively), while stroke risk tended to increase with >8 drinks/week (HR 1.21, NS). Composite risk was significantly reduced with losartan compared to atenolol only in abstainers (HR 0.81 95% confidence interval, CI (0.68, 0.96), P<0.05), while benefits for stroke risk reduction were similar among participants consuming 1-7 drinks/week (HR 0.73, P<0.05) and abstainers (HR 0.72, P<0.01). Despite different treatment benefits, alcohol-treatment interactions were nonsignificant. In conclusion, moderate alcohol consumption does not change the marked stroke risk reduction with losartan compared to atenolol in high-risk hypertensives. Alcohol reduces the risk of myocardial infarction, while the risk of stroke tends to increase with high intake.
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| 2. |
- Reims, H. M., et al.
(författare)
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Losartan benefits over atenolol in non-smoking hypertensive patients with left ventricular hypertrophy: the LIFE study
- 2004
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Ingår i: Blood Press. - : Informa UK Limited. - 0803-7051 .- 1651-1999. ; 13:6, s. 376-84
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Tidskriftsartikel (refereegranskat)abstract
- We studied the impact of smoking in the Losartan Intervention For Endpoint reduction in hypertension (LIFE) study, which showed superiority of losartan over atenolol for reduction of composite risk of cardiovascular death, stroke and myocardial infarction in hypertensives with left ventricular hypertrophy. We compared hazard ratios in 4656 never-smokers, and 3033 previous and 1499 current smokers, adjusting for gender, age, alcohol intake, exercise and race. Composite endpoint rate was higher in previous (28/1000 years), as well as current (39/1000 years) smokers than in never-smokers (21/1000 years). Composite (hazard ratio 0.78, 95% CI 0.65-0.94, p < 0.01) and stroke (hazard ratio 0.61, 95% CI 0.47-0.80], p < 0.001) risks were lower with losartan than atenolol in never-smokers, but not significantly in previous smokers. Drug regimens did not differ in current smokers (composite hazard ratio 0.99, stroke hazard ratio 0.94). Smoking-treatment interactions were non-significant, but a borderline significant trend (p = 0.05) suggested decreasing benefit of losartan vs atenolol for stroke prevention from never- to previous to current smoking status. Smoking increased cardiovascular risk markedly in the LIFE study. The benefit of losartan vs atenolol is consistent with the overall conclusion of the LIFE study, although the treatment effect appeared largest in non-smokers.
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| 4. |
- Ibsen, H., et al.
(författare)
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Does albuminuria predict cardiovascular outcome on treatment with losartan versus atenolol in hypertension with left ventricular hypertrophy? A LIFE substudy
- 2004
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Ingår i: J Hypertens. - : Ovid Technologies (Wolters Kluwer Health). - 0263-6352. ; 22:9, s. 1805-11
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: To examine a possible relationship between baseline albuminuria and effect of losartan versus atenolol on cardiovascular (CV) events in hypertensive patients with left ventricular hypertrophy, the effect of losartan versus atenolol on albuminuria, and whether the benefits of losartan versus atenolol could be explained by influence of losartan on albuminuria. DESIGN: Double-blind, randomized, controlled trial of 4.8 years. SETTING: Out-patient setting. PATIENTS: A total of 8206 with hypertension and left ventricular hypertrophy. INTERVENTIONS: Losartan or atenolol, supplemented with diuretics and/or calcium antagonists to reach blood pressure < 140/90 mmHg MAIN OUTCOME MEASURES: The urine albumin/creatinine ratio, and the primary composite endpoint (CEP) of CV death, myocardial infarction, and stroke. RESULTS: The blood pressure was reduced similarly on losartan (30.2/16.6 mmHg) versus atenolol (29.1/16.8 mmHg). The risk of a primary CEP increased linearly from the lowest to the highest decile of baseline albuminuria. The benefits of losartan versus atenolol for the primary CEP and for stroke tended to be more pronounced among patients above the median value for baseline albuminuria (urine albumin/creatinine ratio, 1.28 mg/mmol). The decrease in albuminuria was significantly greater with losartan versus atenolol throughout the study (a decrease from baseline to year 2 of 33% losartan versus 25% atenolol). One-fifth of the difference in favor of losartan on the primary CEP was explained by the greater reduction in albuminuria on losartan. CONCLUSIONS: Baseline albuminuria is a powerful risk factor for CV events. Baseline albuminuria did not identify the group of patients with greatest benefit on losartan versus atenolol in LIFE. Reduction in albuminuria explained one-fifth of the benefits of losartan versus atenolol.
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