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ICD detected patient activity is associated with arrhythmic events in heart failure patients.


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ICD detected patient activity is associated with arrhythmic events in heart failure patients.

Niger J Clin Pract. 2020 Nov;23(11):1615-1620

Authors: Ucar FM, Yilmaztepe MA

Abstract
Background: Although implantable cardioverter-defibrillator (ICD) reduces mortality in heart failure patients with reduced left ventricle function, arrhythmic episodes are related with increased mortality. Aim: The aim of this study was to investigate whether low patient activity predicts arrhythmic events in the heart failure patients with primary prevention ICD.
Methods: We examined 206 heart Failure (HF) patients (mean age: 61.3 ± 10.9 years, 77.7% male) with primary prevention implanted ICD who referred to our outpatient clinic for pacemaker control. After pacemaker (PM) controls, the overall study group was categorized into three distinct subgroups: Activity less than 2 h, activity 2-4 h, and activity 4-8 h in a day.
Results: Activity less than 2 h had a substantially higher level of arrhythmic episodes in comparison to other groups (P < 0.05). In addition, appropriate shock or ATP (antitachycardia pacing) was detected higher in patients whose activity was less than 2 h in a day than other groups (P < 0.001).
Conclusions: Detected low patient activity in ICD control may be a predictor of arrhythmic episodes and appropriate therapies. Increasing physical activity may potentially protect these patients from unwanted events.

PMID: 33221790 [PubMed – as supplied by publisher]

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