Increasing averaging beats improves the test accuracy on Holter-based late potentials in patients with myocardial infarction.

ABSTRACT:

Background

The prevalence of Holter-based late potentials (H-LPs) in cases of fatal cardiac events has increased. Although the noise level of H-LP is higher than that of conventional real-time late potential (LP) recording, a procedure to reduce the noise severity in H-LP by increasing the averaging beats has not been investigated.

Methods

We enrolled 104 patients with post-myocardial infarction (MI) and 86 control participants. Among the patients, 30 reported sustained ventricular tachycardia (VT), and the remaining 74 had unrecorded VT. H-LPs were measured twice in all groups to evaluate the efficacy of increasing the averaging beats for H-LPs. Thereafter, the average of LP was calculated at 250 (default setting), 300, 400, 500, 600, 700, and 800 beats.

Results

Acro

SUBMITTER: Hashimoto K 

PROVIDER: S-EPMC10646378 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature