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Article type: Research Article
Authors: Wang, Ling-Yia; 1 | Liaw, Mei-Yuna; *; 1 | Huang, Yu-Chia | Lau, Yiu-Chunga | Leong, Chau-Penga | Pong, Ya-Pinga | Chen, Chia-Linb; c
Affiliations: [a] Department of Physical Medicine and Rehabilitation, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medine, Kaohsiung, Taiwan | [b] Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital at Linkou, Chang Gung University College of Medicine, Taoyuan, Taiwan | [c] Graduate Institute of Early Intervention, Chang Gung University, Taoyuan, Taiwan
Correspondence: [*] Address for correspondence: Mei-Yun Liaw, MD, Department of Physical Medicine and Rehabilitation, Kaohsiung Chang Gung Memorial Hospital, 123, Ta-Bei Road, Niao-sung, Kaohsiung, Taiwan. Tel.: +886 7 7317123 ext 6286; Fax: +886 7 7322402; E-mail: meiyunliaw@cgmh.org.tw
Note: [1] The first two authors contributed equally to this article.
Abstract: Objective:Patients with osteoporotic vertebral compression fracture (OVCF) have postural changes and increased risk of falling. The aim of this study is to compare balance characteristics between patients with OVCF and healthy control subjects. Methods:Patients with severe OVCF and control subjects underwent computerised dynamic posturography (CDP) in this case-control study. Results:Forty-seven OVCF patients and 45 controls were recruited. Compared with the control group, the OVCF group had significantly decreased average stability; maximal stability under the ‘eye open with swayed support surface’ (CDP subtest 4) and ‘eye closed with swayed support surface’ conditions (subtest 5); and decreased ankle strategy during subtests 4 and 5 and under the ‘swayed vision with swayed support surface’ condition (subtest 6). The OVCF group fell more frequently during subtests 5 and 6 and had longer overall reaction time and longer reaction time when moving backward during the directional control test. Conclusion:OVCF patients had poorer static and dynamic balance performance compared with normal control. They had decreased postural stability and ankle strategy with increased fall frequency on a swayed surface; they also had longer reaction times overall and in the backward direction. Therefore, we suggest balance rehabilitation for patients with OVCF to prevent fall.
Keywords: Osteoporosis, vertebral compression fracture, balance, computerised dynamic posturography, sensory organization test, motor control test
DOI: 10.3233/BMR-130369
Journal: Journal of Back and Musculoskeletal Rehabilitation, vol. 26, no. 2, pp. 199-205, 2013
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