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Evid Based Complement Alternat Med. 2012;2012:349209. doi: 10.1155/2012/349209. Epub 2012 Apr 23.

Aquatic exercise is effective in improving exercise performance in patients with heart failure and type 2 diabetes mellitus.

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1
Institute of Neuroscience and Physiology, Sahlgrenska University Hospital, The Sahlgrenska Academy, University of Gothenburg, Mailbox 455, 405 35 Gothenburg, Sweden.

Abstract

BACKGROUND:

Peak oxygen uptake (VO(2peak)) and muscle function are more decreased in patients with a combination of chronic heart failure (CHF) and type 2 diabetes mellitus (2DM) compared to patients with only one of the conditions. Further, patients with 2DM have peripheral complications that hamper many types of conventional exercises.

AIM:

To evaluate the efficacy and applicability of eight-week aquatic exercise in patients with the combination of CHF and 2DM.

METHODS:

Twenty patients (four women) with both CHF and 2DM (age 67.4 ± 7.1, NYHA II-III) were randomly assigned to either aquatic exercise or a control group. The patients exercised for 45 minutes 3 times/week in 33-34°C, swimming pool.

RESULTS:

The training programme was well tolerated. Work rate (+11.7 ± 6.6 versus -6.4 ± 8.1 watt, P < 0.001) and VO(2peak) (+2.1 ± 0.8 versus -0.9 ± 1.4 mL·kg(-1)·min(-1), P < 0.001) and walking capacity (P = 0.01) increased significantly in the training group. Muscle function was also significantly improved and Hba1c decreased significantly (P < 0.01) during training, while fasting glucose, insulin, c-peptide, and lipids were unchanged . Training also increased vitality measured by SF-36 significantly (P = 0.05).

CONCLUSION:

Aquatic exercise could be used to improve exercise capacity and muscle function in patients with the combination of CHF and 2DM.

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