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Rehabilitation Practice and Science

Translated Title

板機點注射後以超音波處理注射後酸感對療效的影響

Abstract

Objective: The purpose of this study was to investigate the effectiveness of trigger point injection (TPI) and combined treatment on an active myofascial trigger point (MrP).Design: A controlled clinical trial Setting: Our study was performed in a rehabilitation outpatient clinic. Participants: One hundred and sixty-two patients with active MrPs in the upper trapezius were investigated over a two year period, from 1995 to 1996. Forty-six healthy adults were included as the control group. Control study: The healthy subjects were assigned into three different groups which included healthy subjects without treatment (control group), patients without treatment (patient group) and patients accepting zero-intensity ultrasound treatment (placebo group). Therapeutic study : Eighty-four patients were treated by TPI. Among these, 43 patients had strong postinjection soreness (PIS) and thus were also treated by ultrasound (combined treatment). Main Outcome Measures: The pain threshold (PT) of a MrP, on the upper trapezius muscle, was measured by an algometer. The ””Index of threshold change”” (ITC) was defined as the ratio of post-treatment to pre-treatment PT. The range of motion (ROM) of side flexion of the cervical spine (X-ray) was measured by an go-niometer. The ””Index of ROM change”” (IRC) was defined as the ratio of post-treatment to pre-treatment ROM. ITC and IRC were used to measure the outcome of the different methods. Results: Both therapeutic groups revealed significant increases (P＜0.05) in ITC and IRC, (Table 2 and 3). The combined treatment group had greater increases in ITC and IRC (P＜0.05) than the other groups. PIS disappeared about 48 hrs after additional ultrasound therapy. Conclusion: Both kinds of treatment could relieve myofascial pain caused by MrPs. The combined treatment was the most beneficial method in this study, especially for patients with strong PIS

Language

English

First Page

111

Last Page

118

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