AI Article Synopsis
- A study explored the feasibility of a 6-week high-intensity interval training (HIIT) program as an alternative to standard supervised exercise programs (SEPs) for patients with intermittent claudication (IC).
- Out of 280 screened patients, 40 were recruited, and 31 (78%) completed the HIIT program, indicating high adherence and no serious adverse events.
- Results showed improvements in maximum walking distance and physical health scores, suggesting that HIIT is a tolerable, potentially safe, and effective option for patients with IC, warranting further research.
Article Abstract
Objective: Provision, uptake, adherence, and completion rates for supervised exercise programs (SEP) for intermittent claudication (IC) are low. A shorter, more time-efficient, 6-week, high-intensity interval training (HIIT) program may be an effective alternative that is more acceptable to patients and easier to deliver. The aim of this study was to determine the feasibility of HIIT for patients with IC.
Methods: A single arm proof-of-concept study, performed in secondary care, recruiting patients with IC referred to usual-care SEPs. Supervised HIIT was performed three times per week for 6 weeks. The primary outcome was feasibility and tolerability. Potential efficacy and potential safety were considered, and an integrated qualitative study was undertaken to consider acceptability.
Results: A total of 280 patients were screened: 165 (59%) were eligible, and 40 (25%) were recruited. The majority (n = 31; 78%) of participants completed the HIIT program. The remaining nine patients were withdrawn or chose to withdraw. Completers attended 99% of training sessions, completed 85% of sessions in full, and performed 84% of completed intervals at the required intensity. There were no related serious adverse events. Maximum walking distance (+94 m; 95% confidence interval, 66.6-120.8 m) and the SF-36 physical component summary (+2.2; 95% confidence interval, 0.3-4.1) were improved following completion of the program.
Conclusions: Uptake to HIIT was comparable to SEPs in patients with IC, but completion rates were higher. HIIT appears feasible, tolerable, and potentially safe and beneficial for patients with IC. It may provide a more readily deliverable, acceptable form of SEP. Research comparing HIIT with usual-care SEPs appears warranted.
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| http://dx.doi.org/10.1016/j.jvs.2023.05.045 | DOI Listing |
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