Effects of Semiconductor Cold Laser on Trigger Points of Upper Back Myofascial Pain

低能鐳射對上背部肌膜疼痛的療效

王端瑤(Ray-Yau Wang)

《中華民國物理治療學會雜誌》 20卷1期 (1995/03) Pp. 1-9

https://doi.org/10.29616/JPTAROC.199503.0001

摘要

本研究主要目的為評估不同劑量之低能鐳射對頸部及上背部肌膜疼痛的效果。在此研究中，三十位上背部肌膜疼痛的病人，隨機分為三組，每組十人，第一組的病人在其痛點部位接受低能鐳射治療的「假試」，為控制組，第二組病人接受二十秒而第三組病人則接受四十秒的低能鐳射治療，每次治療間隔兩天，共六次治療。以治療前後，病人全面性的疼痛程度，最痛點的疼痛程度及疼痛的點數，來做為治療效果的評估。結果顯示：病人接受二十秒及四十秒鐘的低能鐳射其肌膜疼痛程度都有明顯的減輕，但其疼痛點數則未明顯下降。而二十秒鐘低能鐳射的治療效果與四十秒鐘的治療效果並無差異，因此低能鐳射在物理治療臨床上是可減輕肌膜疼痛，但卻無法達到使疼痛完全消除，且二十秒鐘的鐳射治療即可達到與四十秒一樣的效果。

關鍵字

半導體鍕射 ； 壓痛點 ； 肌膜疼痛

並列摘要

The purpose of this study was to determine the effectiveness of semiconductor cold laser with different dosages on upper back myofascial trigger point pain. Thirty patients were randomly assigned into three groups. Each group consisted of 10 patients. Patients in group I received placebo treatment, patients in group II received 20 seconds laser irradiation and patients in group III received 40 seconds laser irradiation. Overall pain scale, pain scale of the most painful trigger point and the number of trigger points for each patient were measured before and after the total of six treatment sessions for data analysis. Patients in the 20 seconds and 40 seconds laser treatment groups demonstrated a significant pain relief compared with those in the placebo group. The number of trigger points did not change significantly. Possible mechanisms of laser therapy for pain relief were discussed. The semiconductor laser treatment seemed to be an effective modality for myofascial pain management but did not result in a complete relief in this study. Further studies are indicated to justify the treatment for a total pain relief and to ascertain the carry-over effect.

並列關鍵字

Senziconductor laser ； Trigger point ； Myofascial pain