Staging Cardiac Damage in Patients With Hypertension.

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Staging Cardiac Damage in Patients With Hypertension.

Hypertension. 2019 12;74(6):1357-1365

Authors: Seko Y, Kato T, Shiba M, Morita Y, Yamaji Y, Haruna Y, Nakane E, Haruna T, Inoko M

Abstract
Ventricular and extraventricular response to pressure overload may be a common process in aortic stenosis and hypertension. We aimed to evaluate the association of a newly defined staging classification characterizing the extent of cardiac damage, originally developed for aortic stenosis, with long-term outcomes in patients with hypertension. We retrospectively analyzed 1639 patients with hypertension who had undergone both scheduled transthoracic echocardiography and electrocardiography in 2013 in a Japanese hospital, after excluding severe and moderate aortic stenosis, aortic regurgitation, mitral stenosis, previous myocardial infarction, or cardiomyopathy. We classified patients according to the presence or absence of cardiac damage as detected on echocardiography as follows: stage 0, no cardiac damage (n=858; 52.3%); stage 1, left ventricular damage (n=358; 21.8%); stage 2, left atrial or mitral valve damage (n=360; 22.0%); or stage 3 and 4, pulmonary vasculature, tricuspid valve, or right ventricular damage (n=63; 3.8%). The primary outcome was a composite of all-cause death and major adverse cardiac events. Cumulative 3-year incidence of the primary outcome was 15.5% in stage 0, 20.7% in stage 1, 31.8% in stage 2, and 60.6% in stage 3. After adjusting for confounders, the stage was incrementally associated with higher risk of the primary outcome (per 1-stage increase: hazard ratio, 1.46 [95% CI, 1.31-1.61]; P<0.001). The staging classification characterizing the extent of cardiac damage, originally developed for aortic stenosis, was associated with long-term outcomes in patients with hypertension in a stepwise manner.

PMID: 31679419 [PubMed - indexed for MEDLINE]

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