Success of Posterior Semicircular Canal Occlusion and Application of the Dizziness Handicap Inventory

To determine the long-term efficacy and patient satisfaction of posterior semicircular canal occlusion (PSCO) as a treatment for intractable benign paroxysmal positional vertigo (BPPV). Retrospective analysis of patients with BPPV who underwent PSCO was conducted in a tertiary referral center. Demog...

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Bibliographic Details
Published in:Otolaryngology-head and neck surgery 2006-03, Vol.134 (3), p.424-430
Main Authors: Shaia, Wayne T., Zappia, John J., Bojrab, Dennis I., LaRouere, Michael L., Sargent, Eric W., Diaz, Rodney C.
Format: Article
Language:English
Subjects:
Adult
Aged
Audiometry, Pure-Tone
Auditory Threshold - physiology
Dizziness - prevention & control
Female
Follow-Up Studies
Hearing Loss, Sensorineural - etiology
Humans
Longitudinal Studies
Male
Middle Aged
Patient Satisfaction
Postoperative Complications
Quality of Life
Retrospective Studies
Semicircular Canals - surgery
Treatment Outcome
Vertigo - surgery
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Summary:To determine the long-term efficacy and patient satisfaction of posterior semicircular canal occlusion (PSCO) as a treatment for intractable benign paroxysmal positional vertigo (BPPV). Retrospective analysis of patients with BPPV who underwent PSCO was conducted in a tertiary referral center. Demographic data, clinical records, and audiometric data were reviewed. Dix-Hallpike maneuver, dizziness handicap inventory (DHI), and a specific PSCO questionnaire (PCOQ) were used to measure outcome. Twenty-eight patients underwent PSCO. The mean follow-up time was 40 months. All patients had normalization of the Hallpike test. DHI scores of 20 patients were recorded. The mean preoperative score was 70 compared with postoperative mean of 13 ( P < 0.001). Mild hearing loss was found in 1 patient. PSCO is highly successful. The DHI scores postoperatively show significant improvement. The PCOQ revealed an overall 85% patient satisfaction rate. PSCO is a safe and effective intervention for intractable BPPV with a high patient satisfaction rate. EBM rating: C-4
ISSN:0194-5998
1097-6817
DOI:10.1016/j.otohns.2005.10.035