Jin Joo Park1, Jae-Hyeong Park2, In-Chang Hwang1, Jun-Bean Park3, Goo-Yeong Cho4, Thomas H Marwick5. 1. Cardiovascular Center and Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea. 2. Department of Cardiology in Internal Medicine, Chungnam National University Hospital, Chungnam National University College of Medicine, Daejeon, Republic of Korea. 3. Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Republic of Korea. 4. Cardiovascular Center and Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea. Electronic address: cardioch@snu.ac.kr. 5. Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia.
Abstract
OBJECTIVES: This study sought to identify whether left atrial strain can predict new-onset atrial fibrillation (NOAF) in patients with heart failure (HF) and sinus rhythm. BACKGROUND: Both HF and atrial fibrillation have common risk factors, and HF is a risk factor for the development of atrial fibrillation and vice versa. METHODS: Among 4,312 consecutive patients with acute HF from 3 tertiary hospitals, 2,461 patients with sinus rhythm and peak atrial longitudinal strain (PALS) were included in the study. Reduced PALS was defined as PALS ≤18%, and the primary endpoint was 5-year NOAF. RESULTS: During a 5-year follow-up, 397 (16.1%) patients developed NOAF. Patients with reduced PALS had higher NOAF than their counterparts (18.2% vs. 12.7%; p < 0.001). After adjustment for significant covariates, we identified 6 independent predictors of NOAF, including age >70 years (hazard ratio [HR]: 1.50; 95% confidence interval [CI]: 1.12 to 2.00), hypertension (HR: 1.45; 95% CI: 1.10 to 1.91), left atrial volume index ≥40 ml/m2 (HR: 2.03; 95% CI: 1.48 to 2.77), PALS <18% (HR: 1.60; 95% CI: 1.18 to 2.17), HF with preserved ejection fraction (HR: 1.47; 95% CI: 1.11 to 1.95), and no beta-blocker prescription at discharge (HR: 1.48; 95% CI: 1.14 to 1.92). A weighted score based on these variables was used to create a composite score, HAS-BAP (H = hypertension; A = age; S = PALS; B = no beta-blocker prescription at discharge; A = atrial volume index; P = HF with preserved ejection fraction [range 0 to 6] with a median of 3 [interquartile range: 2 to 4]). The probability of NOAF increased with HAS-BAP score. CONCLUSIONS: In patients with HF and sinus rhythm, 16.1% developed NOAF, and PALS could be used to predict the risk for NOAF. The HAS-BAP score allows determination of the risk of NOAF. (Strain for Risk Assessment and Therapeutic Strategies in Patients With Acute Heart Failure [STRATS-AHF] Registry; NCT03513653).
OBJECTIVES: This study sought to identify whether left atrial strain can predict new-onset atrial fibrillation (NOAF) in patients with heart failure (HF) and sinus rhythm. BACKGROUND: Both HF and atrial fibrillation have common risk factors, and HF is a risk factor for the development of atrial fibrillation and vice versa. METHODS: Among 4,312 consecutive patients with acute HF from 3 tertiary hospitals, 2,461 patients with sinus rhythm and peak atrial longitudinal strain (PALS) were included in the study. Reduced PALS was defined as PALS ≤18%, and the primary endpoint was 5-year NOAF. RESULTS: During a 5-year follow-up, 397 (16.1%) patients developed NOAF. Patients with reduced PALS had higher NOAF than their counterparts (18.2% vs. 12.7%; p < 0.001). After adjustment for significant covariates, we identified 6 independent predictors of NOAF, including age >70 years (hazard ratio [HR]: 1.50; 95% confidence interval [CI]: 1.12 to 2.00), hypertension (HR: 1.45; 95% CI: 1.10 to 1.91), left atrial volume index ≥40 ml/m2 (HR: 2.03; 95% CI: 1.48 to 2.77), PALS <18% (HR: 1.60; 95% CI: 1.18 to 2.17), HF with preserved ejection fraction (HR: 1.47; 95% CI: 1.11 to 1.95), and no beta-blocker prescription at discharge (HR: 1.48; 95% CI: 1.14 to 1.92). A weighted score based on these variables was used to create a composite score, HAS-BAP (H = hypertension; A = age; S = PALS; B = no beta-blocker prescription at discharge; A = atrial volume index; P = HF with preserved ejection fraction [range 0 to 6] with a median of 3 [interquartile range: 2 to 4]). The probability of NOAF increased with HAS-BAP score. CONCLUSIONS: In patients with HF and sinus rhythm, 16.1% developed NOAF, and PALS could be used to predict the risk for NOAF. The HAS-BAP score allows determination of the risk of NOAF. (Strain for Risk Assessment and Therapeutic Strategies in Patients With Acute Heart Failure [STRATS-AHF] Registry; NCT03513653).
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