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Effectiveness of acupuncture in treatment of facial spasm: a meta-analysis
Qiang-ping Wang1, Min Bai, Ding Lei
1Department of Neurosurgery, Dujiangyan People's Hospital, Dujiangyan Medical Center, China.
Context:
Facial spasm is one of the common facial diseases, especially in the aged. It is mostly characterized by initially progressive, involuntary, irregular, recurrent, clonic, or tonic movements of muscles innervated by the facial nerve on one side. Acupuncture is a low-risk treatment with purported claims of effectiveness for facial spasm.
Objective:
To assess the efficacy of acupuncture in facial spasm comprehensively.
Design:
The research team conducted a systematic review and meta-analysis of all randomized clinical trials (RCTs) that examined the effectiveness of acupuncture for facial spasm.
Outcome Measure(S):
The research team categorized results from each of the reviewed studies in two ways: (1) the number of participants who showed a positive response to therapy (total effectiveness rate) and (2) the number of participants who made a full recovery (clinical cure rate).
Results:
The research team reviewed a total of 13 studies involving 1262 participants with facial spasm. Researchers in China had conducted all studies, and most studies were poor in methodological quality. All studies reported that acupuncture was superior to other treatments, including carbamazepine, mecobalamin, and massage, and the meta-analysis on these low-quality studies yielded similar results.
Conclusion:
Present trials evaluating the efficacy of acupuncture in treatment of facial spasm are mostly poor in methodological quality. These studies showed that acupuncture was superior to other treatments for facial spasm; however, in its meta-analysis, the research team could not draw an affirmative conclusion as to the benefits of acupuncture due to the poor methodological quality and localized population of the included trials. The field needs large international, well-conducted RCTs.
