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International Journal of Cardiology and Cardiovascular Diseases

ISSN: 2768-5640

Original Research Open Access
Volume 1 | Issue 2 | DOI: https://doi.org/10.46439/cardiology.1.009

Predicting functional outcomes among CAD who complete cardiac rehabilitation

Stephanie Gerlach1,2,*, Christine Mermier1, Len Kravitz1, Lance Dalleck1, Micah Zuhl1,4
  • 11University of New Mexico, Health, Exercise and Sport Science Department, Albuquerque, NM, United States
  • 2Missouri Western State University, Health, Sport and Exercise Science Department, Saint Joseph, MO, United States
  • 3Western Colorado University, Recreation, Exercise and Sport Science Department, Gunnison, CO, United States
  • 4Central Michigan University, School of Health Sciences, Mt. Pleasant, MI, United States
+ Affiliations - Affiliations

Corresponding Author

Stephanie Gerlach, sgerlach1@missouriwestern.edu

Received Date: April 14, 2021

Accepted Date: June 21, 2021

Citation:

Gerlach S, Mermier C, Kravitz L, Dalleck L, Zuhl M. Predicting functional outcomes among CAD who complete cardiac rehabilitation. Int J Cardiol Cardiovasc Dis. 2021; 1(2):57-62.


Copyright: © 2021 Gerlach S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The purpose of this study was to determine the role of exercise prescription variables on functional capacity (FC) change among coronary artery disease (CAD) patients who completed 36 sessions of cardiac rehabilitation (CR).

Methods: Exercise testing and prescription data for 151 patients, who attended CR between 2013 and 2018, were extracted from an outpatient CR center located in Albuquerque, NM. Patients completed a symptom-limited exercise test for determination of FC measured in metabolic equivalents (METs) at pre- and post 36 CR sessions. Exercise prescription variables (workload, duration-minutes of treadmill walking, and frequency-days per week) were extracted for each patient. A multiple regression equation to determine the influence of exercise prescription components on change in peak METs (post CR – pre-CR).

Results: The average increase in absolute FC among patients was 2.2 ± 1.7 METs (p<0.01). Treadmill walking workload and duration were significant predictors of change in FC (p<0.01). Frequency was not a significant predictor (p=0.05) but was clinically meaningful with an increase of 0.4 METs for each day of CR completed weekly.

Conclusions: Progression of exercise workload and duration lead to FC improvement among CAD patients enrolled in CR. Clinical exercise physiologists and others on the CR team should strive to progress patients throughout CR. 

Keywords

Functional capacity, Cardiac rehabilitation, Treadmill, Walking, Cardiovascular disease

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