Document Detail

Effects of vestibulo-ocular reflex exercises on vestibular compensation after vestibular schwannoma surgery.
MedLine Citation:
PMID:  15793417     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To assess vestibular function in a large group of vestibular schwannoma patients so that we could determine whether simple vestibular exercises speed vestibular dysfunction recovery after tumor removal surgery. STUDY DESIGN: A prospective investigation of the vestibular dysfunction experienced by patients in the first 12 weeks after surgery. SETTING: Vestibular investigation unit at a tertiary referral institution. PATIENTS: Sixty-five patients with identified vestibular schwannoma referred for preoperative vestibular investigations. Thirty-two men and 33 women, with a mean age 51 years (range, 24-77 yr). INTERVENTIONS: There were 27 control patients, 30 exercise patients, and 8 patients that had balance physiotherapy. Exercise patients began simple vestibulo-ocular reflex gaze stabilization exercises 3 days after surgery. MAIN OUTCOME MEASURES: Postoperative vestibular function testing was performed at 2 to 3, 6 to 7, and 10 to 12 weeks after surgery. Objective measurements of vestibular compensation status were as follows: spontaneous nystagmus and sinusoidal harmonic acceleration asymmetry and gain values. Dizziness Handicap Inventory questionnaires were used to assess subjective perceptions. RESULTS: The main findings were reduced dispersion in vestibulo-ocular reflex asymmetry at 2 to 3 weeks, reduced mean in asymmetry at 6 to 7 weeks, less dizziness/imbalance according to the Dizziness Handicap Inventory questionnaire, and that preoperative caloric tests did not predict postoperative severity of vestibular systems. CONCLUSION: This large study provided unique evidence that a program of simple vestibular exercises and education can speed the rate of compensation after vestibular schwannoma surgery.
Joanne C Enticott; Stephen J O'leary; Robert J S Briggs
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology     Volume:  26     ISSN:  1531-7129     ISO Abbreviation:  Otol. Neurotol.     Publication Date:  2005 Mar 
Date Detail:
Created Date:  2005-03-28     Completed Date:  2005-09-12     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  100961504     Medline TA:  Otol Neurotol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  265-9     Citation Subset:  IM    
Departments of Otolaryngology, The University of Melbourne, East Melbourne, Australia.
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MeSH Terms
Neuroma, Acoustic / surgery*
Outcome and Process Assessment (Health Care)
Physical Therapy Modalities
Postoperative Complications / physiopathology*
Postural Balance / physiology
Prospective Studies
Reflex, Vestibulo-Ocular / physiology*
Vestibular Function Tests
Vestibule, Labyrinth / physiopathology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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