The influence of exercise workload progression across 36 sessions of cardiac rehabilitation on functional capacity

Truman Haeny, Rachael Nelson, Jeremy Ducharme, Micah Zuhl

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Defining time frames throughout cardiac rehabilitation (CR) to progress exercise workloads may lead to improve functional capacity outcomes. The purpose of this study was to investigate the role of exercise progression on functional capacity among cardiac patients enrolled in CR. This was a retrospective database analysis study. Extracted data included: Demographic, functional capacity (in METs), and exercise intensity during exercise sessions 2, 12, 24, and 36 of CR from 150 patients who completed a 36-session program. Progression of exercise was determined by calculating percent change in treadmill exercise workload within predefined time frames of CR. The time frames were percent change from exercise session 2 to 12 (“%∆S2–S12), 12 to 24 (%∆S12–S24), and 24 to 36 (%∆S24–S36). A multiple linear regression model was developed to predict change in functional capacity (∆METs). A significant proportion (21%) of total variation in ∆METs was predicted by %∆S2–12, %∆S12–24, %∆S24–36, age, sex, and body mass index (BMI). Percent changes between sessions 12 to 24 (%∆S12–24; β = 0.17, p = 0.03) and 24 to 36 (%∆S24–36; β = 0.23, p < 0.01) were significant predictors. Progressing patients between sessions 12 to 24 and 24 to 36 predicted significant changes in functional capacity and reinforced the importance of exercise progression across all 36 sessions of CR.

Original languageEnglish
Article number32
Pages (from-to)1-8
Number of pages8
JournalJournal of Cardiovascular Development and Disease
Volume6
Issue number3
DOIs
StatePublished - Sep 2019

Keywords

  • Cardiac rehabilitation
  • Cardiovascular diseases
  • Exercise
  • Workload

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