Thiazide Use and Decreased Risk of Heart Failure in Nondiabetic Patients Receiving Intensive Blood Pressure Treatment.

Abstract	The SPRINT (Systolic Blood Pressure Intervention Trial) study reported that intensive blood pressure (BP) treatment with a systolic BP target of <120 mm Hg decreased the risks of cardiovascular events. However, it remains unknown whether specific medications can further improve cardiovascular outcome in patients receiving intensive BP treatment. This study examined whether thiazide use improves cardiovascular outcome in patients receiving intensive BP treatment. We used data of nondiabetic patients receiving intensive BP treatment in the SPRINT study. The primary outcome was a composite end point of myocardial infarction, acute coronary syndrome, stroke, heart failure, or cardiovascular death. We analyzed hazard ratios for outcomes with 95% CIs in patients taking thiazides compared with those not taking thiazides using Cox proportional hazard models. This study included 2847 patients and the mean follow-up period was 3.3 years. The risk of primary outcome events was significantly lower in patients taking thiazides than in those not taking thiazides in both entire and propensity score-matched cohorts. Particularly, heart failure risk was significantly lower in those taking thiazides. These associations were also observed in various subgroups. In addition, thiazide use was associated with decreased risk of all-cause mortality. Hypokalemia occurred more frequently in patients taking thiazides than in those not taking thiazides. Thiazide use decreased risk of cardiovascular events, particularly heart failure, in nondiabetic high-risk patients receiving intensive BP treatment.
Authors	Tetsuro Tsujimoto, Hiroshi Kajio
Journal	Hypertension (Dallas, Tex. : 1979) (Hypertension) Vol. 76 Issue 2 Pg. 432-441 (08 2020) ISSN: 1524-4563 [Electronic] United States
PMID	32639892 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References	Antihypertensive Agents Thiazides
Topics	Aged Aged, 80 and over Antihypertensive Agents (pharmacology, therapeutic use) Blood Pressure (drug effects) Female Heart Failure (epidemiology) Humans Hypertension (drug therapy) Incidence Male Middle Aged Protective Factors Thiazides (pharmacology, therapeutic use)

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