Cardiac Acoustic Biomarkers in Patients with Heart Failure during Cardiopulmonary Exercise Testing: An Exploratory Study.

ABSTRACT: Objective Exercise therapy as part of cardiac rehabilitation is one of the most effective treatments for patients with chronic heart failure (HF). The anaerobic threshold (AT) determined by an exhaled gas analysis during cardiopulmonary exercise testing (CPX) is used to prescribe the appropriate level of exercise therapy. However, CPX using an exhaled gas analysis is not widely performed because of its cost, complexity, and the need for skilled staff. Therefore, a simpler and inexpensive method for determining AT without respiratory gas measurements is required in patients with HF. The present study elucidated the relationship between the AT determined by the CPX ventilatory method (CPX-AT) and the AT determined by cardiac acoustic biomarkers (CABs), which are measured by acoustic cardiogr

SUBMITTER: Iida K 

PROVIDER: S-EPMC11604394 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature