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- Title
Effects of a low-frequency sound wave therapy programme on functional capacity, blood circulation and bone metabolism in frail old men and women.
- Authors
Zheng, A.; Sakari, R.; Cheng, S. M.; Hietikko, A.; Moilanen, P.; Timonen, J.; Fagerlund, K. M.; Kärkkäinen, M.; Alèn, M.; Cheng, S.
- Abstract
Objective: To evaluate the effects of a low-frequency sound wave therapy programme on functional capacity, blood circulation and bone metabolism of the frail elderly. Design: Single-blind, randomized, controlled trial. Setting: Two senior service centres. Subjects: Forty-nine volunteers (14 males and 35 females) aged 62-93 years with up to 12 diagnosed diseases were allocated in either the intervention group (n=30) or control group (n=19). Intervention: The intervention group underwent sound wave therapy, 3-5 times a week for 30minutes per session over a period of 6 months. The control group received no intervention. Main measurements: Blood pressure, functional capacity, mobility, bone density, biochemical markers, isometric muscle strength, balance, and skin surface temperature. Results: Compared with the control group, the intervention group's mobility and the amount of self-reported kilometres walked per week increased by 3km(P<0.05), while levels of cholesterol (4.97 (0.72) to 4.52 (0.65)mmol/L, P=0.019), low-density lipoprotein (2.82 (0.72) to 2.45 (0.61)mmol/L, P=0.022), bone markers of total osteocalcin (11.0 (6.5) to 10.3 (5.9) ng/mL, P=0.048)) and tartrate-resistant acid phosphatase isoform 5b (2.50 (1.0) to 2.41 (1.1) IU/L, P=0.021)) decreased. The average skin surface temperature was significantly higher during active sessions at the end of the intervention than in the beginning (P=0.004). No change was found during placebo sessions. Conclusions: Low-frequency sound wave therapy may have the potential to promote well-being of frail elderly subjects via improved functional capacity, especially in subjects who are too frail to undertake exercise.
- Subjects
SOUND therapy; BLOOD circulation; SERVICES for older people; RANDOMIZED controlled trials; BLOOD pressure measurement
- Publication
Clinical Rehabilitation, 2009, Vol 23, Issue 10, p897
- ISSN
0269-2155
- Publication type
Article
- DOI
10.1177/0269215509337273