Why the study?
Maximal ARNI doses often cause hypotension, and real-world evidence suggests lower doses may be effective, prompting evaluation of the symptomatic effect of low-dose ARNI on physical activity in HFrEF.
Does low-dose ARNI therapy improve physical activity in patients with HFrEF monitored by CIEDs?
Does low-dose ARNI therapy improve physical activity in patients with HFrEF monitored by CIEDs?
Answers are grounded in this paper and cite their sources.
Low-dose ARNI therapy is associated with a significant increase in daily physical activity in patients with HFrEF, as objectively measured by CIED home monitoring.
AIMS: Angiotensin receptor neprilysin inhibitor (ARNI) therapy is a cornerstone in the treatment of heart failure with reduced ejection fraction (HFrEF), with significant improvement in mortality as well as morbidity and quality of life. However, maximal ARNI doses often result in hypotension. Recent studies with 'real world' experience suggest that lower doses of ARNI are as effective as higher doses.In order to evaluate the symptomatic effect of low-dose ARNI in HFrEF patients, we analyzed physical activity data obtained via home monitoring of patients with cardiac implantable electronic devices (CIEDs). METHODS: We retrospectively analyzed physical activity data obtained from HFrEF patients with CIED-active home monitoring during the years 2021-2022. Patients with ARNI therapy were further divided into subgroups according to the administered dose. Low-dose ARNI included doses of up to 24/26 mg sacubitril/valsartan daily. Intermediate dose and high dose included doses of 72/78-120/130 mg/day, and 144/156-194/206 mg/day, respectively. RESULTS: A total of 122 patients had home monitoring-compatible CIEDs and HFrEF during the study period. Sixty-four of these patients were treated with ARNI. Administration of low-dose ARNI resulted in a 20% increase in daily activity when compared with patients without ARNI treatment ( P = 0.038). Change in physical activity of patients in the intermediate-dose and high-dose groups was not significant. Younger patients, patients with cardiac resynchronization therapy, and patients without diabetes mellitus were more physically active. CONCLUSION: Low-dose ARNI had a beneficial effect on physical activity in HFrEF patients. MH via CIED provided real-life objective data for patients' follow-up.
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Volis et al. (2024) studied this question.
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