Research in Vestibular Science

Original Articles

Satisfaction and Effect Research on Virtual Reality-Based Vestibular Exercise for the Elderly Patients with Chronic Unilateral Vestibulopathy: Kwang-Dong Choi, Seo-Young Choi; Res Vestib Sci. 2020;19(4):127-132. Published online December 15, 2020; DOI: https://doi.org/10.21790/rvs.2020.19.4.127

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Abstract PDF: Objectives
To survey the satisfaction of customized vestibular exercise using virtual reality system with mobile head-mounted display (HMD) in the elderly patients with chronic unilateral vestibulopathy, we analyzed questionnaires before and after exercise.
Methods
Sixteen patients (male, 6; median age, 69 years [interquartile range, 65–75 years]) with chronic unilateral vestibulopathy were prospectively enrolled from March 1 to December 31 in 2018. They exercised once a week for 20 to 25 minutes for 4 weeks using the HMD inserted the virtual reality exercise program. Dizziness visual analogue scale (DAS), Korean vestibular disorders activities of daily living scale (ADL), and visual vertigo analogue scale (VVAS) were performed before and after the exercise. After all of the program, the patients were surveyed to measure the satisfaction for the tool and effect of exercise.
Results
DAS, ADL, and VVAS were significantly improved after the vestibular exercise. No one answered unsatisfactory, and at least 62.5% of the patients satisfied the used tool and exercise program. The patients of 50% answered that they satisfied or very satisfied to the efficacy of exercise program. The patients who recovered VVAS more after the exercise were more satisfied to our tools and efficacy of exercise program.
Conclusions
Customized vestibular exercise using virtual reality system with HMD can not only improve dizziness and quality of life, but also made more satisfied to the elderly patients with chronic unilateral vestibulopathy.

Factors Associated with Patient Satisfaction in Customized Vestibular Exercise: A Pilot Study: Hye Soo Ryu, Min Young Lee, Jae Yun Jung, Ji Eun Choi; Res Vestib Sci. 2019;18(3):71-77. Published online September 15, 2019; DOI: https://doi.org/10.21790/rvs.2019.18.3.71; Retraction in: Res Vestib Sci 2020;19(4):149

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Customized Vestibular Rehabilitation in the Patients with Bilateral Vestibulopathy: A Pilot Study in One Referred Center: Kwang-Dong Choi, Seo-Young Choi; Res Vestib Sci. 2019;18(3):64-70. Published online September 15, 2019; DOI: https://doi.org/10.21790/rvs.2019.18.3.64

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Abstract PDF: Objectives
Bilateral vestibulopathy is characterized with unsteadiness and oscillopsia when walking or standing, worsening in darkness and/or on uneven ground. To establish the effect of customized vestibular rehabilitation in bilateral vestibulopathy, we analyzed the questionnaires and functional status before and after treatment.
Methods
Among 53 patients with customized vestibular rehabilitation from January 1st to November 30th in 2018, 6 patients (3 males; median age, 71 years; range, 54–75 years) who regularly exercised with good compliance were retrospectively enrolled. They were educated and trained the customized vestibular rehabilitation once a month or two by a supervisor during 40 minutes, and then exercised at home for 30 minutes over 5 days in a week. Dizziness handicap inventory (DHI), Korean vestibular disorders activities of daily living scale (vADL), Beck’s depression index (BDI), test for dynamic visual acuity (DVA), and Timed Up and Go test (TUG) were performed before and after the customized vestibular rehabilitation.
Results
The patients exercised for median 5.5 months (range, 2–10 months) with the customized methods of vestibular rehabilitation, which included gaze and posture stabilization and gait control exercises. DHI score and TUG was improved after rehabilitation (DHI before vs. after rehabilitation=33 vs. 16, p=0.027, TUG before vs. after rehabilitation=12 vs. 10, p=0.026). BDI, DVA, and vADL scores did not differ between before and after treatment.
Conclusions
Customized vestibular rehabilitation can improve dizziness and balance state in bilateral vestibulopathy. The steady exercises adapted individual peculiarities is the most important for vestibular rehabilitation.

Effect of Elderly Organized Vestibular Rehabilitation for Presbystasis: Tae Hoo Kim, Beom Gyu Kim, Chul Young Heo, Jae Seok Lee, Il Seok Park, Yong Bok Kim, Tae Won Jang, Seong Ki Ahn; Res Vestib Sci. 2010;9(2):58-63.

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Abstract PDF: Background and Objectives Recently, The number of patients who have been complaining of the vertigo or dizziness has been increasing due to rapid growth of the elderly population and senile change. Aging is associated with decreased balance abilities, resulting in an increased risk of fall. The purpose of this study is to analyze the result of elderly organized vestibular rehabilitation therapy for presbystasis. Materials and Methods A prospective study was performed on elderly population over sixty-five years. 148 dizzy patients who were admitted to Hallym University Medical Center. We recruited 64 consecutive patients with a diagnosis of presbystasis and treatment of rehabilitation. They were asked to complete the Korean vestibular disorders activities of daily living scale (K-VADL) for the functional aspect before and two to twelve weeks after elderly organized vestibular rehabilitation therapy. The result was analyzed by statistical methods. Results The K-VADL scores were decreased in patient of presbystasis compared with first questionnaire. There were statistically significant differences in the K-VADL scores between before and after rehabilitation therapy. Conclusion Most patients can effectively and safely utilize the modified vestibular rehabilitation therapy. Our results suggest that the vestibular rehabilitation therapy could provide a recovery for dizzy symptoms in presbystasis.

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