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Investigation of standing balance in patients with diabetic neuropathy at different stages of foot complications

Kanade, Rajani, Van Deursen, Robert William Martin, Harding, Keith Gordon and Price, Patricia Elaine 2008. Investigation of standing balance in patients with diabetic neuropathy at different stages of foot complications. Clinical Biomechanics 23 (9) , pp. 1183-1191. 10.1016/j.clinbiomech.2008.06.004

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Abstract

Background Diabetic peripheral neuropathy is known to cause postural instability. This study investigated standing balance in patients with diabetic neuropathy with secondary foot complications: foot ulceration, partial foot amputation and trans-tibial amputation, which are expected to pose further challenge to balance control. Methods In this cross-sectional study, 23 patients with diabetic neuropathy alone (controls) were compared with 23 patients with diabetic foot ulceration, 16 patients with partial foot amputation and 22 patients with trans-tibial amputation. Posturography was used to determine the centre of pressure excursion during quiet standing. Differences between the 4 groups were tested using ANOVA and post-hoc comparisons. Findings The 4 groups varied in neuropathy score (P = 0.001) and demonstrated significant decline in balance from neuropathy alone to foot ulceration, to partial foot amputation and trans-tibial amputation based on total excursion of centre of pressure (P < 0.001) and centre of pressure excursion in antero-posterior direction (P < 0.001). The excursion of centre of pressure in medio-lateral direction varied between 4 groups (P < 0.05) however, there was no significant trend. The distance between ankles increased significantly from neuropathy to trans-tibial amputee group (P = 0.001). Post-hoc comparison with controls revealed that each of three study groups demonstrated decreased balance (diabetic neuropathy vs. foot ulceration, P = 0.001, diabetic neuropathy vs. partial foot amputation, P = 0.002 and diabetic neuropathy vs. trans-tibial amputation, P = 0.009). Interpretation Balance deterioration among patient groups from diabetic neuropathy alone to trans-tibial amputation appears to result from bio-mechanical impairment caused by progression of foot complications in addition to postural instability caused by diabetic neuropathy.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Healthcare Sciences
Subjects: R Medicine > R Medicine (General)
Uncontrolled Keywords: Diabetic neuropathy ; Standing balance ; Foot ulceration ; Partial foot amputation ; Trans-tibial amputation ; Posturography
Publisher: Elsevier Health
ISSN: 0268-0033
Last Modified: 05 Jun 2017 02:13
URI: http://orca.cf.ac.uk/id/eprint/7152

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