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Clin Rehabil. 2016 Oct;30(10):960-971. Epub 2015 Oct 8.

Effects of therapeutic ultrasound on pain, physical functions and safety outcomes in patients with knee osteoarthritis: a systematic review and meta-analysis.

Author information

1
Rehabilitation Medicine Center, West China Hospital, Sichuan University, Chengdu, Peoples' Republic of China Rehabilitation Medicine Department, Luzhou Medical Colleage Affiliated Hosipital, Luzhou, Peoples' Republic of China.
2
Rehabilitation Medicine Department, Luzhou Medical Colleage Affiliated Hosipital, Luzhou, Peoples' Republic of China.
3
Rehabilitation Medicine Center, West China Hospital, Sichuan University, Chengdu, Peoples' Republic of China Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, Peoples' Republic of China.
4
Rehabilitation Medicine Center, West China Hospital, Sichuan University, Chengdu, Peoples' Republic of China Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, Peoples' Republic of China 1198455105@qq.com wangpu0816@qq.com.

Abstract

OBJECTIVE:

To explore the effects of therapeutic ultrasound with sham or no intervention on pain, physical function and safety outcomes in patients with knee osteoarthritis.

DATA SOURCES:

This systematic review was searched on CENTRAL, EMBASE, MEDLINE, CINAHL, Physiotherapy Evidence Database, Open Gray on 4 September 2015. Trials included randomized controlled trials that compared therapeutic ultrasound with a sham or no intervention in patients with osteoarthritis of the knee.

REVIEW METHODS:

Eligible trials and extracted data were identified by two independent investigators. Standardized mean differences (SMDs) and 95% confidence interval (CI) were calculated for pain and physical function outcomes. Heterogeneity was assessed by the I2 test and inverse-variance random-effects analysis was applied to all trials.

RESULTS:

Ten randomized controlled trials (645 patients) met the inclusion criteria. Therapeutic ultrasound showed a positive effect on pain (SMD = -0.93, 95%, CI = -1.22 to -0.64, p < 0.01, p for heterogeneity = 0.12, I2 = 42%). For physical function, therapeutic ultrasound was advantageous for reducingWestern Ontario and McMaster Universities physical function score (SMD = -0.37, 95% CI = -0.73 to -0.01, p = 0.04, p for heterogeneity = 0.94, I2 = 0%). In terms of safety, no occurrence of adverse events caused by therapeutic ultrasound was reported in any trial.

CONCLUSION:

The authors suggested that therapeutic ultrasound is beneficial for reducing knee pain and improving physical functions in patients with knee osteoarthritis and could be a safe treatment.

KEYWORDS:

Knee; meta-analysis; osteoarthritis; systematic review; ultrasonic therapy

PMID:
26451008
DOI:
10.1177/0269215515609415
[Indexed for MEDLINE]

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