Analysis of clinical characteristics of benign paroxysmal positional vertigo

Objective To analyze clinical characteristics and therapy of benign paroxysmal positional vertigo.Methods Histories of 131 cases of BPPV were inquired and their clinical data retrospectively analyzed.All the patients were followed up for 3 months.Results Of the 131 patients,51 were male and 80 were female,with a mean age of 47.7 years (20 to 82 years).Lesion was located in the posterior semicircular canal in 75 patients,horizontal semicircular canal in 39 patients,horizontal semicircular cup in 4 patients,superior semicircular canal in 1 patient,and combined multiple semicircular canals in 8 patients.Symptoms were subjective in 3 patients.Idiopathic BPPV was diagnosed in 103 patients,and secondary BPPV in the rest patients.Conclusion Patients with BPPV have various clinical characteristics.Understanding of such characteristics is necessary to apply appropriate repositioning maneuvers.