Objective:To discuss the effect of Epley tube stone reduction method combined with Semont tube stone release method treatment on refractory semicircular canal benign paroxysmal positional vertigo(PC-BPPV),and to analyze the factors affecting the prognosis of PC-BPPV.Methods:We included 180 patients with PC-BPPV who were admitted to the Department of Neurology in Taizhou Second People's Hospital From June 2016 to June 2017. They were randomly divided into Epley tracheolithiasis reduction treatment group (group A), Semont stone release therapy group (group B), and combination of the Epley and Semont group(group C). Then evaluation of BPPV effect, vestibular index (VSI) and vertigo syndrom scale (VSS)-SF were used to evaluate the therapeutic effect. Finally, Logistic regression analysis was used to analyze the prognostic factors of PC-BPPV.Results:In group C the cure rate was 68.33%, the effective rate in one month was 95%,they were significantly higher than those in group A and group B (P<0.05).The scores of VSI and VSS-SF in group C were 25.13±4.38 and 31.25±4.82, respectively, which were significant lower than those in group A and group B after one month of treatment(P<0.05). Logistic analysis showed that the OR value of reduction times ≥ 3 times, crest stone, the VSI ≥ 41 points, semicircular canal damage were 1.279(95%CI:1.024-2.138),1.625(95%CI:1.146-4.162),1.307(95%CI:1.034-3.241),and 1.492(95%CI:1.221-3.034).They were risk factors for the recurrence of PC-BPPV. Conclusion:The treatment of refractory PC-BPPV by Epley reduction combined with Semont decompression has a higher recovery rate and effective rate. It can significantly improve the recurrence rate of patients with vertigo, multiple reduction, crest stone, the VSI ≥ 41 points, and semicircular canal damage. |
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