Abstract:

Objective To analyze the clinical features of benign paroxysmal positional vertigo (BPPV). Methods From February 2021 to November 2024, 339 BPPV patients diagnosed and treated in the Department of Neurology, Xiamen Chang Gung Hospital, Huaqiao University, were selected as the subjects. The clinical data were analyzed retrospectively. Results There were 138 (40.7%) males and 201 (59.3%) females, with the male-to-female ratio of 1∶1.5. The mean age was 49.6±6.5 years. A total of 155 patients (45.7%) had similar attacks in the past. The peak age of onset was 40-49 years. Classified by the clinical types, there were 210 (61.9%) cases of posterior semicircular canal BPPV, and 118 (34.8%) cases of horizontal semicircular canal BPPV, including canalolithiatic type in 91 (77.1%) cases and cupulolithiatic in 27 (22.9%) cases. The overall effectiveness rate of canalith repositioning maneuver was 99.6%. Among the 210 cases with follow-up data, the follow-up period ranged from 1 to 33 months. There were 45 cases of recurrence, with the recurrence rate of 21.4%. Conclusion The age of BPPV onset is trending younger. Posterior semicircular canal BPPV is the most common clinical type. The effectiveness rate of canalith repositioning maneuver of BPPV is high.

Key words: benign paroxysmal positional vertigo, clinical classification, canalith repositioning maneuver