Impact of Daytime and Nighttime Blood Pressure and Nocturnal Blood Pressure Fall on Heart Failure Risk in Treated Hypertension

医学 危险系数 血压 白天 内科学 舒张期 夜行的 置信区间 心脏病学 动态血压 大气科学 地质学
作者
Francesca Coccina,Gil F. Salles,Ramón C. Hermida,José R. Banegas,José Mesquita‐Bastos,Claudia R.L. Cardoso,Gilles Salles,Artemio Mojón,José R. Fernández,Mercedes Sánchez‐Martinez,Carlos Costa,Simão Carvalho,Joao Faia,Sante D. Pierdomenico
出处
期刊:American Journal of Hypertension [Oxford University Press]
标识
DOI:10.1093/ajh/hpaf008
摘要

Abstract BACKGROUND To evaluate the impact of daytime, nighttime and nocturnal blood pressure (BP) fall on heart failure (HF). METHODS We analyzed data of five cohorts including 15,526 treated hypertensive patients, experiencing 625 HF events, by study-level meta-analysis. The pooled hazard ratios (HR) and 95% confidence intervals (CI) for 1-SD increase in BP parameters or per group were calculated. RESULTS When individually analyzed after adjustment for covariates, clinic systolic BP (SBP) (HR 1.20, 95% CI 1.01-1.43), daytime SBP (HR 1.34, 95% CI 1.06-1.70), nighttime SBP (HR 1.43, 95% CI 1.20-1.71), nighttime diastolic BP (DBP) (HR 1.26, 95% CI 1.05-1.52), % of nocturnal SBP fall (HR 0.81, 95% CI 0.75-0.88) and nondipping (HR 1.64, 95% CI 1.54-1.98) were associated with HF. If daytime or nighttime BPs were further adjusted for clinic BP results remained similar. When clinic, daytime and nighttime BPs were mutually adjusted, nighttime SBP (HR 1.43, 95% CI 1.27-1.61) and nighttime DBP (HR 1.37, 95% CI 1.14-1.64) remained associated with outcome. Heterogeneity across cohorts was explained by BP, sex and follow-up duration. In sensitivity analyses, for daytime and nighttime BP, no study had relevant influential effect on overall estimates. Looking for publication bias and adjusting for missing studies by Duval and Tweedie’s method, clinic SBP lost significance but daytime SBP, and nighttime SBP and DBP remained significantly associated with HF. CONCLUSIONS daytime and nighttime BPs are stronger than clinic BP in predicting HF, nighttime BP is stronger than daytime BP and a reduced nocturnal BP fall is associated with outcome.

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