Diabetes, obesity & metabolism · 2022
Effects of intensive blood pressure lowering in patients with diabetes: A pooled analysis of the STEP and ACCORD-BP randomized trials.
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Yang Ruixue, Bai Jingjing, Fang Zhou, Wang Yang, Feng Yingqing, Liu Yunlan, Chi Hongjie, Deng Yue, Song Qirui, Cai Jun
Аннотация
AIM: To determine whether intensive systolic blood pressure (SBP) lowering can benefit hypertensive patients with diabetes.
MATERIALS AND METHODS: We performed a pooled analysis of individual patient data from two randomized trials to compare intensive and standard SBP targets in hypertensive patients with diabetes (STEP diabetes subgroup and ACCORD-BP standard glycaemic group, n = 1627 and n = 2362, respectively). We defined a modified primary outcome as a composite of stroke, major coronary artery disease (myocardial infarction and unstable angina), heart failure, and cardiovascular death. The secondary outcomes were individual components of the primary outcome and death from any cause. A Cox proportional hazards regression model was used in the main analysis. We conducted one-stage mixed-effect models and two-stage analyses as sensitivity and supplementary analyses to verify the robustness of the findings.
RESULTS: A total of 3989 patients were randomized to undergo intensive (n = 1984) or standard SBP treatment (n = 2005). After a median follow-up of 3.83 years, the primary outcome occurred in 193/1984 patients in the intensive group and in 247/2005 patients in the standard group (hazard ratio [HR] 0.77, 95% confidence interval [CI] 0.64-0.93). The incidence rates for secondary outcomes were lower in the intensive group than in the standard group, but were not significantly different, except for stroke (intensive vs. standard: 32/1984 vs. 58/2005; HR 0.56, 95% CI 0.36-0.86). These results remained consistent in the additional sensitivity and supplementary analyses.
CONCLUSIONS: An intensive SBP-lowering target of 110 to <130 mmHg reduces the cardiovascular outcomes compared with a standard SBP-lowering target of 130 to <150 mmHg. The findings of this study support the favourable effects of intensive SBP lowering in hypertensive patients with diabetes.
MATERIALS AND METHODS: We performed a pooled analysis of individual patient data from two randomized trials to compare intensive and standard SBP targets in hypertensive patients with diabetes (STEP diabetes subgroup and ACCORD-BP standard glycaemic group, n = 1627 and n = 2362, respectively). We defined a modified primary outcome as a composite of stroke, major coronary artery disease (myocardial infarction and unstable angina), heart failure, and cardiovascular death. The secondary outcomes were individual components of the primary outcome and death from any cause. A Cox proportional hazards regression model was used in the main analysis. We conducted one-stage mixed-effect models and two-stage analyses as sensitivity and supplementary analyses to verify the robustness of the findings.
RESULTS: A total of 3989 patients were randomized to undergo intensive (n = 1984) or standard SBP treatment (n = 2005). After a median follow-up of 3.83 years, the primary outcome occurred in 193/1984 patients in the intensive group and in 247/2005 patients in the standard group (hazard ratio [HR] 0.77, 95% confidence interval [CI] 0.64-0.93). The incidence rates for secondary outcomes were lower in the intensive group than in the standard group, but were not significantly different, except for stroke (intensive vs. standard: 32/1984 vs. 58/2005; HR 0.56, 95% CI 0.36-0.86). These results remained consistent in the additional sensitivity and supplementary analyses.
CONCLUSIONS: An intensive SBP-lowering target of 110 to <130 mmHg reduces the cardiovascular outcomes compared with a standard SBP-lowering target of 130 to <150 mmHg. The findings of this study support the favourable effects of intensive SBP lowering in hypertensive patients with diabetes.