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Efficacy and Problems of the Canalith Repositioning Procedure for Treatment of Benign Paroxysmal Positional Vertigo―Review of 100 Cases Mamoru Fujii 1,2,3 1Department of Otorhinolaryngology,The Chugoku Electric Power Hospital pp.371-375
Published Date 2003/5/20
DOI https://doi.org/10.11477/mf.1411100961
  • Abstract
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 The efficacy and problems of the canalith repositioning procedure(CRP) in 100 cases of benign paroxysmal positional vertigo(BPPV) were discussed. The efficacy of CRP only once at the first consultation for both the posterior canal type BPPV(p-BPPV) and the lateral canal type BPPV(l-BPPV) were about 70%.

 The recurrence was found 6 of 69 cases(8.7%) in the p-BPPV group,6 of 31 cases(19.4%) in the l-BPPV group. The recurrence over three times were found in 3 cases in the l-BPPV group. The l-BPPV had the tendency of repetition if once the recurrence had occurred.

 The complications of the CRP were as follows. Two cases were the change of canal type,the posterior to the lateral after Parnes' maneuver and the lateral to the posterior after head tilt and rotation maneuver.

 The change of the nystagmus of the l-BPPV,canalithiasis to cupulolithiasis,after modified Lempert maneuver was also found.

 To increase the efficacy of the CRP of the first consultation,it is important not to neglect the change of the direction of the nystagmus during the procedure. If the change of the direction of the nystagmus was not satisfactory,it should be better to repeat the CRP until the proper change is observed on the same day.

 It is desirable to know the several maneuvers of CRPs for one type of BPPV as another CRP may show some effect if one CRP has no effect.


Copyright © 2003, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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