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Short-Term Efficacy of Semont Maneuver for Benign Paroxysmal Positional Vertigo: A Double-Blind Randomized Trial

Chen, Ying; Zhuang, Jianhua; Zhang, Lin; Li, Yancheng; Jin, Zhe; Zhao, Zhongxin; Zhao, Ying; Zhou, Hui

doi: 10.1097/MAO.0b013e31826352ca
Research Methodology

Objective To assess the short-term efficacy of Semont maneuver for unilateral posterior semicircular canal benign paroxysmal positional vertigo (PC-BPPV).

Methods The short-term efficacy of Semont maneuver was compared with a sham procedure in 128 patients with PC-BPPV by using a double-blinded prospective randomized controlled trial in the setting of a neurologic outpatient clinic in China. Analysis was based on the symptomatic status and the Dix-Hallpike maneuver on the fourth day. At this time, patients in both groups with a still positive Dix-Hallpike test were treated with Semont maneuver, and outcome was again assessed on the seventh day.

Results On the fourth day, 55 (84.62%) of 65 patients in the treatment group showed complete resolution of symptoms compared with 9 (14.29%) of 63 patients in the control group. (p < 0.001) 59 (90.77%) of 65 and 52 (82.54%) of 63 patients reported resolution of symptoms in the treatment and original sham group, respectively (p = 0.17).

Conclusion Semont maneuver is shown to resolve PC-BPPV effectively, and patients should receive Semont maneuver once the PC-BPPV diagnosis was confirmed.

Department of Neurology, Changzheng Hospital, Second Military Medical University, Shanghai, People’s Republic of China

Address correspondence and reprint requests to Jianhua Zhuang, M.D., Department of Neurology, Changzheng Hospital, 415 Fengyang Road, Shanghai 200003, Republic of China; E-mail:

The authors disclose no conflicts of interest.

© 2012 Otology & Neurotology, Inc.