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Biofeedback for foot offloading in diabetic patients with peripheral neuropathy

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Published in Diabetic Medicine. 2010, vol. 27, no. 1, p. 61-64
Abstract AIMS: The reduction of high plantar pressure in diabetic patients with peripheral neuropathy is mandatory for prevention of foot ulcers and amputations. We used a new biofeedback-based method to reduce the plantar pressure at an at-risk area of foot in diabetic patients with peripheral neuropathy. METHODS: Thirteen diabetic patients (age 60.8 +/- 12.3 years, body mass index 29.0 +/- 5.0 kg/m(2)) with peripheral neuropathy of the lower limbs were studied. Patients with memory impairment were excluded. The portable in-shoe foot pressure measurement system (PEDAR) was used for foot offloading training by biofeedback. The learning procedure consisted in sequences of walking (10 steps), each followed by a subjective estimation of performance and objective feedback. The goal was to achieve three consecutive walking cycles of 10 steps, with a minimum of seven steps inside the range of 40-80% of the baseline peak plantar pressure. The peak plantar pressure was assessed during the learning period and at retention tests. RESULTS: A significant difference in peak plantar pressure was recorded between the beginning and the end of the learning period (when the target for plantar pressure was achieved) (262 +/- 70 vs. 191 +/- 53 kPa; P = 0.002). The statistically significant difference between the beginning of learning and all retention tests persisted, even at the 10-day follow-up. CONCLUSIONS: Terminal augmented feedback training may positively affect motor learning in diabetic patients with peripheral neuropathy and could possibly lead to suitable foot offloading. Additional research is needed to confirm the maintenance of offloading in the long term.
Keywords Biofeedback, PsychologyBody Mass IndexDiabetes Mellitus, Type 1/complications/*physiopathologyDiabetes Mellitus, Type 2/complications/*physiopathologyDiabetic Foot/etiology/*physiopathologyFemaleFoot/*physiopathologyHumansMaleMiddle AgedPeripheral Nervous System Diseases/etiology/*physiopathologyShoesWalking/physiology
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PMID: 20121890
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Research group Education thérapeutique du patient, diabète et obésité (600)
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PATAKY, Zoltan et al. Biofeedback for foot offloading in diabetic patients with peripheral neuropathy. In: Diabetic Medicine, 2010, vol. 27, n° 1, p. 61-64. https://archive-ouverte.unige.ch/unige:21202

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Deposited on : 2012-05-23

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