Dynamic Hyperinflation Impairs Cardiac Performance During Exercise in COPD

Purpose: To investigate the correlation between a plateau in minute ventilation JOURNAL/jcprh/04.02/01273116-201905000-00009/math_9MM1/v/2019-04-25T021416Z/r/image-png E during cardiopulmonary exercise tests (CPETs) and its impact on cardiac performance. Methods: This retrospective study analyzed 2575 CPETs of patients with chronic obstructive pulmonary disease. The study randomly selected 10 patients with a plateau in the JOURNAL/jcprh/04.02/01273116-201905000-00009/math_9MM2/v/2019-04-25T021416Z/r/image-png E curve, suggesting dynamic hyperinflation, 10 patients with normal pattern for the JOURNAL/jcprh/04.02/01273116-201905000-00009/math_9MM3/v/2019-04-25T021416Z/r/image-png E curve, and 10 healthy persons. Classic CPET variables, the new ventilation hyperinflation index, and the dynamic cardiac constraint index were analyzed. Results: The patients with dynamic hyperinflation presented with lower ventilation at 100% work rate (P
Source: Journal of Cardiopulmonary Rehabilitation - Category: Rehabilitation Tags: Pulmonary Rehabilitation Source Type: research