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Treatment of uncomplicated hypertension is associated with a reduction in cardiovascular mortality: a Korean national cohort study.

Abstract：

BACKGROUND:Although the benefit of hypertension treatment is well established in high-risk patients, there is a paucity of evidence regarding the benefit of treatment in patients with uncomplicated hypertension. METHODS:Hypertensive adult patients were selected from the Korea National Health Insurance Sample Cohort in 2002 and were followed until 2013. Patients with a diagnosis of heart failure, coronary artery disease, stroke, malignancy, diabetes, or chronic kidney disease were excluded. Ultimately, 40 496 patients were divided into three groups: never-treated (N = 6756), treated-from-baseline (N = 28 443), and treated-during-follow-up (N = 5297). Five first-line antihypertensive agents were categorized into four classes: renin-angiotensin system blocker (RASB), beta-blocker, calcium channel blocker (CCB), and diuretics. All-cause mortality, cardiovascular mortality, and hazard ratio were determined. RESULTS:All-cause and cardiovascular mortality rates were significantly lower in both treatment groups than in the never-treated group (all log-rank P < 0.001). Treatment from baseline (hazard ratio = 0.49 for all-cause mortality and hazard ratio = 0.62 for cardiovascular mortality) and treatment started during follow-up (hazard ratio = 0.41 for all-cause mortality and hazard ratio = 0.44 for cardiovascular mortality) were independently associated with lower mortality on multivariable Cox analyses. Although RASB, beta-blocker, and CCB significantly reduced all-cause mortality, multivariable Cox analyses showed that RASB and CCB were closely associated with lower all-cause mortality. In terms of cardiovascular mortality, only CCB was associated with lower cardiovascular mortality on multivariable Cox analyses. CONCLUSION:Treatment of hypertension significantly reduces mortality in patients with uncomplicated hypertension.

journal_name

J Hypertens

journal_title

Journal of hypertension

authors

Lee CJ,Hwang J,Oh J,Lee SH,Kang SM,Choi D,Kim HC,Park S

doi

10.1097/HJH.0000000000001331

subject

Has Abstract

pub_date

2017-05-01 00:00:00

pages

S41-S49

eissn

0263-6352

issn

1473-5598

pii

00004872-201705001-00007

journal_volume

35 Suppl 1

pub_type

杂志文章

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Treatment of uncomplicated hypertension is associated with a reduction in cardiovascular mortality: a Korean national cohort study.