4.4 Article

Temporal Association of Atrial Fibrillation With Cardiac Implanted Electronic Device Detected Heart Failure Status

期刊

JACC-CLINICAL ELECTROPHYSIOLOGY
卷 8, 期 2, 页码 182-193

出版社

ELSEVIER
DOI: 10.1016/j.jacep.2021.09.015

关键词

atrial fibrillation; CRT; decompensation; heart failure; heart sounds; ICD

资金

  1. Boston Scientific Corporation
  2. Boston Scientific
  3. Medtronic
  4. Bristol Myers Squibb
  5. Pfizer
  6. Servier
  7. McMaster University Department of Medicine Early Career Research Award

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This study aims to investigate the temporal association between changes in physiologic heart failure sensors, atrial fibrillation progression, and clinical heart failure in patients with cardiac resynchronization therapy implantable defibrillators. The results showed that device-measured heart failure indicators worsened before the onset of atrial fibrillation, while clinical heart failure deterioration only became apparent after atrial fibrillation occurred.
OBJECTIVES This study sought to investigate the temporal association between changes in physiologic heart failure (HF) sensors, atrial fibrillation (AF) progression, and clinical HF in patients with cardiac resynchronization therapy implantable defibrillators (CRT-D) designed to monitor AF and HF daily. BACKGROUND AF is a common comorbidity in HF; however, it is unclear if HF triggers AF, or vice-versa. Current implantable cardiac devices have sensors capable of quantifying HF status, which permits a greater understanding of the impact of AF on HF status and may help guide treatment. METHODS The MultiSENSE (Multisensor Chronic Evaluation in Ambulatory Heart Failure Patients) study collected multiple sensor data indicative of HF status in patients with CRT-D followed for up to 12 months. Patients were grouped according to their longest daily AF burden: 1) at least 24 hours of AF (HIGH AF); 2) between 6 minutes and 24 hours (MID AF); and 3) <6 minutes (NO AF). Sensor data were aligned to the first qualifying AF event or a randomly selected day for patients in the NO AF group. RESULTS Among 869 patients with daily AF data available, 98 patients had HIGH AF, 141 patients MID AF, and 630 patients NO AF. At baseline, history of AF, N-terminal pro hormone B-type natriuretic peptide and device-measured S3 were associated with development of AF. HeartLogic index increased before AF onset (Delta HeartLogic = 9.83 +/- 2.49; P < 0.001). Multivariable time-dependent Cox regression showed an increased risk for HF events following a 24-hour AF episode compared with no 24-hour AF (hazard ratio: 1.96; 95% confidence interval: 1.03-3.74). CONCLUSIONS Device-measured HF indicators worsened before AF onset, whereas clinical HF deterioration only became apparent after AF occurred. Thus, the sensitivity of methods to ascertain AF and HF status appear to influence the direction of perceived causality. (C) 2022 The Authors. Published by Elsevier on behalf of the American College of Cardiology Foundation.

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