Prognostic value of RV isovolumic acceleration and tissue strain in moderate HFrEF.

Abstract:

BACKGROUND:Right ventricular (RV) dysfunction in heart failure (HF) with reduced left ventricular ejection fraction (LVEF) is associated with a poorer prognosis. No studies to date have investigated the prognostic utility of RV isovolumic acceleration (IVA) measured at tissue Doppler imaging (TDI) in HF. RV strain instead has been already correlated to a poorer prognosis in these patients. We aimed to assess the predictive value of both parameters in this context. MATERIALS AND METHODS:Sixty patients enrolled, NYHA II-III. Everyone underwent echocardiographic examination including TDI and strain analysis. Adverse event was defined as cardiovascular death or rehospitalization. RESULTS:Follow-up was 32 ± 13 months. Sixteen patients (26·7%) had an adverse event. IVA and RV strain were significantly lower in these patients. At logistic regression, they were both related to adverse event and their receiver operating characteristic (ROC) curve predictive (area under ROC 0·916 and 0·952, respectively). Kaplan-Meier survival curves were significantly worse for both parameters inferior to their respective means (P < 0·001 for both). Univariate and multivariate analyses confirmed their better utility than tricuspid annular plane systolic excursion (TAPSE), fractional area change (FAC) or S' at TDI. CONCLUSIONS:our study demonstrated a useful prognostic role of RV strain and IVA, which are parameters of subclinical RV impairment. Patients with low values may benefit from a more aggressive therapy and a closer follow-up.

journal_name

Eur J Clin Invest

authors

Sciatti E,Vizzardi E,Bonadei I,Curnis A,D'Aloia A,Metra M

doi

10.1111/eci.12505

subject

Has Abstract

pub_date

2015-10-01 00:00:00

pages

1052-9

issue

10

eissn

0014-2972

issn

1365-2362

journal_volume

45

pub_type

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