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document
A randomized trial of the canalith repositioning procedure . OBJECTIVE To compare the effectiveness and complications of our adaptation of the canalith repositioning procedure ( CRP ) with the expectation treatment for benign paroxysmal positional vertigo . STUDY DESIGN A randomized , controlled trial in the setting of a neurotological clinic in Thailand . METHODS Fifty-eight patients with posterior benign paroxysmal positional vertigo were randomly assigned to treatment and control groups using a block of four . The treatment group was treated with the modified CRP technique until the nystagmus disappeared . A mastoid oscillator was not used , nor were any instructions given for patients after the maneuver . Both groups recorded the daily grading of symptoms and the amount of anti-vertiginous drugs ( cinnarizine ) taken . Objective and subjective assessments were made weekly until the nystagmus disappeared or until 4 weeks had passed since treatment began . RESULTS The rates of effectiveness of CRP treatment and the control treatment for benign paroxysmal positional vertigo were 75.9 % and 48.2 % , respectively . There was a significant difference in the treatment outcomes of the CRP and control groups ( P =.03 ) . The CRP group used significantly fewer drugs than the control group ( P =.001 ) . Complications in the CRP group , such as lateral canalithiasis and fainting , were observed in 13.8 % of the patients . CONCLUSIONS The CRP was more effective than the expectation treatment for benign paroxysmal positional vertigo insofar as it provided faster recovery and required less dependence on medication . Complications of CRP were limited to 13.8 % of patients .
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Intervention_Surgical
canalith repositioning procedure
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Intervention_Surgical
canalith repositioning procedure ( CRP )
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Intervention_Surgical
modified CRP technique
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Intervention_Pharmacological
cinnarizine
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Intervention_Surgical
CRP treatment
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Intervention_Surgical
CRP
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Intervention_Surgical
CRP
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Intervention_Surgical
CRP
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Intervention_Surgical
CRP
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Intervention_Surgical
CRP
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Outcome_Other
effectiveness and complications of our adaptation of the canalith repositioning procedure ( CRP )
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Outcome_Physical
daily grading of symptoms
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Outcome_Physical
amount of anti-vertiginous drugs ( cinnarizine ) taken
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Outcome_Other
Objective and subjective assessments
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Outcome_Physical
nystagmus
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Outcome_Other
rates of effectiveness of CRP treatment
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Outcome_Other
used significantly fewer drugs
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Outcome_Adverse-effects
lateral canalithiasis and fainting
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Outcome_Physical
recovery
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Outcome_Mental
dependence on medication .
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Outcome_Physical
Complications