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KMID : 0960220070060010009
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Journal of the Korean Balance Society
2007 Volume.6 No. 1 p.9 ~ p.15
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Therapeupic Efficacy and Prognostic Factors of Canalith Repositioning Maneuver in the Patients with Benign Paroxysmal Positional Vertigo
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Park Shi-Nae
Yeo Sang-Won
Park Kyoung-Ho
Kim Jong-Hoon
Kim Ji-Hong
Choi Bong-Jin
Shin Ji-Hyeon
Han Min-Ah
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Abstract
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Background and Objectives: The purpose of this study were to evaluate the therapeutic efficacy of canalith repositioning maneuver (CRP) according to accompanying mastoid percussion and to investigate the prognostic factors that may affect successful repositioning maneuver and the recurrence of benign paroxysmal positional vertigo.
Materials and Method: A total of 70 patients with canalith type BPPV visiting the dizziness clinic of Kangnam St. Mary’s Hospital were included in this study. Variables identified for statistical analysis were patient’s age, sex, maneuver method, number of involved canal, number of CRP and dizziness handicap inventory.
Results: Overall success rate of CRP was 90%. The mean number of maneuver was 1.6 and the recurrence rate was 25.7% during the follow up period. Success rate of CRP (94.9%) was higher than maneuver without mastoid percussion (83.9%) though it was not statistically significant. Successful CRP group showed the significant less number of maneuvers at initial treatment session and less number of involved canal than failed CRP group at the time of one week-follow up visit. Patients with recurrence of BPPV had the more number of CRP during the period of previous BPPV.
Conclusion: Therapeutic efficacy of CRP with mastoid percussion was higher than CRP without mastoid percussion though it was not statistically significant. Suggesting prognostic factors for effective CRP and recurrence were number of CRP and number of involved canal.
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KEYWORD
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Positional vertigo, Canalith repositioning maneuver, Prognosis
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