Prognostic Impact of Echocardiographic Congestion Grade in HFpEF With and Without Atrial Fibrillation
- PMID: 36340256
- PMCID: PMC9627800
- DOI: 10.1016/j.jacasi.2021.10.012
Prognostic Impact of Echocardiographic Congestion Grade in HFpEF With and Without Atrial Fibrillation
Abstract
Background: Atrial fibrillation (AF) is common in heart failure with preserved ejection fraction (HFpEF).
Objectives: This study aimed to investigate the prognostic value of echocardiographic markers of congestion that can be applied to both AF and patients without AF with HFpEF.
Methods: We conducted a multicenter study of 505 patients with HFpEF admitted to hospitals for acute decompensated heart failure. The ratio of early diastolic transmitral flow velocity to mitral annulus velocity (E/e'), the tricuspid regurgitation peak velocity, and the collapsibility of the inferior vena cava were obtained at discharge. Congestion was determined by echocardiography if any one of E/e' ≥14 (E/e' ≥11 for AF), tricuspid regurgitation peak velocity ≥2.8 m/s, or inferior vena cava collapsibility <50% was positive. We classified patients into grade A, grade B, and grade C according to the number of positive congestion indices. The primary endpoint was the composite of cardiovascular death and heart failure hospitalization.
Results: During the follow-up period (median: 373 days), 162 (32%) patients experienced the primary endpoint. Grade C patients had a higher risk for the primary endpoint than grade A (HR: 2.98; 95% CI: 1.97-4.52) and grade B patients (HR: 1.92; 95% CI: 1.29-2.86) (log-rank P < 0.0001). Echocardiographic congestion grade improved the predictive value when added to the age, sex, New York Heart Association functional class, and N-terminal pro-B-type natriuretic peptide, not only in sinus rhythm (Uno C-statistic: 0.670 vs 0.655) but in AF (Uno C-statistic: 0.667 vs 0.639).
Conclusions: Echocardiographic congestion grade has prognostic value in patients with HFpEF with and without AF.
Keywords: AF, atrial fibrillation; ASE, American Society of Echocardiography; E/e′, ratio of early diastolic transmitral flow velocity to mitral annulus velocity; EACVI, European Association of Cardiovascular Imaging; HFpEF, heart failure with preserved ejection fraction; IVC, inferior vena cava; IVCC, inferior vena cava collapsibility; NT-proBNP, N-terminal pro–B-type natriuretic peptide; NYHA, New York Heart Association; TRV, tricuspid regurgitation peak velocity; congestion; echocardiography; heart failure with preserved ejection fraction; prognosis.
© 2022 The Authors.
Conflict of interest statement
This work was funded by Roche Diagnostics K.K. and Fuji Film Toyama Chemical Co. Ltd. Dr Abe has received grants from Boehringer Ingelheim Japan. Dr Hikoso has received personal fees from Daiichi Sankyo Company, Bayer, Astellas Pharma, Pfizer Pharmaceuticals, and Boehringer Ingelheim Japan and has received grants from Roche Diagnostics, Fujifilm Toyama Chemical, and Actelion Pharmaceuticals. Dr Nakatani has received honoraria from Roche Diagnostics. Dr Koretsune has received personal fees from Daiichi Sankyo Company. Dr Sakata has received personal fees from Otsuka Pharmaceutical, Ono Pharmaceutical, Daiichi Sankyo Company, Mitsubishi Tanabe Pharma Corporation, and Actelion Pharmaceuticals and has received grants from Roche Diagnostic, Fujifilm Toyama Chemical, Abbott Medical Japan, Otsuka Pharmaceutical, Daiichi Sankyo Company, Mitsubishi Tanabe Pharma Corporation, and Biotronik. All other authors have reported that they have no relationships relevant to the contents of this paper to disclose.
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