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Impact of a Graded Exercise Program on V˙O2peak and Survival in Heart Failure Patients

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  • Johan A Snoek
  • Thijs M H Eijsvogels
  • Arnoud W J VAN 't Hof
  • Eva Prescott
  • Maria T Hopman
  • Evelien Kolkman
  • E D P DE Kluiver
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INTRODUCTION: Although exercise therapy has the potential to improve health outcomes of patients with chronic heart failure (CHF), less than 50% of patients adhere to prescribed physical activity guidelines 1 yr after cardiac rehabilitation. We aimed to assess the effects of an extended cardiac rehabilitation program with 12 months of graded exercise therapy (GET) and resistance exercise training (RT) on exercise capacity and long-term survival in patients with CHF.

METHODS: This prospective cohort study included 60 CHF patients between 2009 and 2010. The GET-RT program consisted of exercise sessions at 6 d·wk. Total training time of aerobic exercises increased incrementally every other week without changing exercise intensity. Resistance exercise training consisted of 8 exercises with a durable resistance band. Guidance consisted of a step-down approach from in-hospital to home-based training. Cardiopulmonary exercise tests were performed at baseline, 3, 6, and 12 months. Subsequently, patients were propensity score matched on a 1:2 ratio with controls (n = 117) from a CHF registry of patients from the same clinic receiving usual out-patient care and the incidence of all-cause mortality was compared between both groups.

RESULTS: Baseline V˙O2 peak was 15.0 mL·min·kg and significantly elevated at 3 months (+1.1 mL·min·kg (95% CI, 0.4-1.8), 6 months (+2.9 mL·min·kg (95% CI, 1.1-2.9) and 12 months (+2.6 mL·min·kg (95% CI, 1.4-3.8). During 8 yr of follow-up 23 (38.3%) patients of the GET-RT program died versus 63 (53.8%) patients of the control group (P = 0.063).

CONCLUSIONS: The 12-month GET-RT program was associated with an improved fitness during 1-yr follow-up, whereas a tendency toward better survival rates was observed during long-term follow-up.

Original languageEnglish
JournalMedicine and Science in Sports and Exercise
Volume50
Issue number11
Pages (from-to)2185-2191
Number of pages7
ISSN0195-9131
DOIs
Publication statusPublished - Nov 2018

ID: 55741425