Abstract
Previous studies showed the importance of right ventricular (RV) remodeling in patients with arterial hypertension and RV longitudinal strain was recognized as very sensitive parameter for detection of subtle cardiac impairment. However, its clinical importance in arterial hypertension has not been established so far. The present study aimed to evaluate the association between RV longitudinal strain (global and free-wall) on adverse outcomes measured by MACE in the large group of hypertensive patients who were followed for mean period of 10 years. This retrospective study finally included 544 hypertensive patients who underwent full echocardiographic examination including 2D speckle tracking imaging. between January 2010 and December 2014. MACE was considered as the primary outcome and it was defined by all-cause mortality, cardiovascular mortality, myocardial infarction, coronary artery by-pass, coronary stent implantation, stroke, development of heart failure, and occurrence of atrial fibrillation during follow-up. Patients who experienced MACE were older than those who did not. There was no difference in demographic and clinical parameters between MACE and non-MACE patients. There was no difference in RV diameter, but MACE patients had higher RV wall thickness. RV systolic function parameters were similar between the two groups. RV global and free-wall longitudinal strain were significantly lower in MACE patients (-22.3 ± 3.6 vs. -24.7 ± 3.9%, p < 0.001 and - 25.8 ± 4.2 vs. -28.1 ± 4.5%, p < 0.001; respectively). Reduced RV GLS [OR 1.10; 95%: 1.02-1.20] and reduced RV free-wall longitudinal strain [OR 1,21; 95%CI: 1.05-1.39] were independently of clinical and echocardiographic parameters related with adverse outcome measured by MACE. RV GLS and RV free-wall longitudinal strain were independently related with adverse outcomes during 10-year follow-up in initially uncomplicated hypertensive patients.
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Schedule a callMore From: High blood pressure & cardiovascular prevention : the official journal of the Italian Society of Hypertension
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