Hearing performance as a predictor of postural recovery in cochlear implant users.

Hearing performance as a predictor of postural recovery in cochlear implant users.

Braz J Otorhinolaryngol. 2016 Mar 31;

Authors: Greters ME, Bittar RS, Grasel SS, Oiticica J, Bento RF

Abstract
OBJECTIVE: This study aimed to evaluate if hearing performance is a predictor of postural control in cochlear implant (CI) users at least six months after surgery.
METHODS: Cross-sectional study including (CI) recipients with post-lingual deafness and controls who were divided into the following groups: nine CI users with good hearing performance (G+), five CI users with poor hearing performance (G-), and seven controls (CG). For each patient, computerized dynamic posturography (CDP) tests, a sensory organization test (SOT), and an adaptation test (ADT) were applied as dual task performance, with first test (FT) and re-test (RT) on the same day, including a 40-60min interval between them to evaluate the short-term learning ability on postural recovery strategies. The results of the groups were compared.
RESULTS: Comparing the dual task performance on CDP and the weighted average between all test conditions, the G+ group showed better performance on RT in SOT4, SOT5, SOT6, and CS, which was not observed for G- and CG. The G- group had significantly lower levels of short-term learning ability than the other two groups in SOT5 (p=0.021), SOT6 (p=0.025), and CS (p=0.031).
CONCLUSION: The CI users with good hearing performance had a higher index of postural recovery when compared to CI users with poor hearing performance.

PMID: 27090567 [PubMed - as supplied by publisher]

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