Insight into postural control in unilateral sensorineural hearing loss and vestibular hypofunction

被引:8
作者
Lubetzky, Anat V. [1 ]
Kelly, Jennifer L. [2 ]
Harel, Daphna [3 ]
Roginska, Agnieszka [4 ]
Hujsak, Bryan D. [2 ]
Wang, Zhu [5 ]
Perlin, Ken [5 ]
Cosetti, Maura [6 ]
机构
[1] New York Univ, Steinhardt Sch Culture Educ & Human Dev, Dept Phys Therapy, New York, NY USA
[2] New York Eye & Ear Infirm Mt Sinai, Vestibular Rehabil, New York, NY USA
[3] New York Univ, Steinhardt Sch Culture Educ & Human Dev, Dept Appl Stat Social Sci & Humanities, New York, NY USA
[4] New York Univ, Steinhardt Sch Culture Educ & Human Dev, Dept Music & Performing Arts Profess, New York, NY USA
[5] New York Univ, Courant Inst Math Sci, Dept Comp Sci, New York, NY USA
[6] New York Eye & Ear Infirm Mt Sinai, Dept Otolaryngol Head & Neck Surg, New York, NY USA
关键词
DIZZINESS HANDICAP INVENTORY; OLDER-ADULTS; BALANCE; SWAY; CHILDREN; MOBILITY; DEAFNESS; SCALE; RISK;
D O I
10.1371/journal.pone.0276251
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
This pilot study aimed to identify postural strategies in response to sensory perturbations (visual, auditory, somatosensory) in adults with and without sensory loss. We tested people with unilateral peripheral vestibular hypofunction (N = 12, mean age 62 range 23-78), or with Unilateral Sensorineural Hearing Loss (USNHL, N = 9, 48, 22-82), or healthy controls (N = 21, 52, 28-80). Postural sway and head kinematics parameters (Directional Path in the anterior-posterior and medio-lateral directions (sway & head); pitch, yaw and roll (head) were analyzed in response to 2 levels of auditory (none, rhythmic sounds via headphones), visual (static, dynamic) and somatosensory cues (floor, foam) within a simulated, virtual 3-wall display of stars. We found no differences with the rhythmic auditory cues. The effect of foam was magnified in the vestibular group compared with controls for anterior-posterior and medio-lateral postural sway, and all head direction except for medio-lateral. The vestibular group had significantly larger anterior-posterior and medio-lateral postural sway and head movement on the static scene compared with controls. Differences in pitch, yaw and roll emerged between vestibular and controls only with sensory perturbations. The USNHL group did not increase their postural sway and head movement with the increased visual load as much as controls did, particularly when standing on the foam. They did not increase their medio-lateral sway with the foam as much as controls did. These findings suggest that individuals with USNHL employ a compensatory strategy of conscious control of balance, the functional implications of which need to be tested in future research.
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页数:15
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