Rosalind Franklin University of Medicine and Science
Within their lifetime, over 30% of people living with diabetes will develop a diabetic foot ulcer (DFU), many of which will never heal and may require amputation. Removable cast walkers (RCWs) are commonly prescribed to offload (treat) DFUs. While RCWs are prescribed to be worn during all weight bearing activities, adherence to this prescription is low. This is a serious concern given that low adherence predicts poor DFU healing. This study will provide pilot/feasibility data to inform a larger clinical trial to evaluate the impact of existing RCW designs on adherence and DFU healing. We will also quantify the effect of RCW form on biomechanical and self-reported measures related to usability. Our working hypothesis is that healing outcomes with a given RCW will be predicted by biomechanical and self-reported measures of RCW usability, with the predictive relationship partly explained by the effect of these measures on adherence.
Inclusion Criteria: * presence of a full thickness plantar (forefoot) diabetic foot ulcer ≥1cm2 that is being treated on an outpatient basis with a University of Texas wound classification of 1A-C or 2 A-C; * self-reported ability to walk for at least two continuous minutes at a self-selected speed * confirmation of the presence of diabetic peripheral neuropathy as identified by failure to detect a 10 gram Semmes Weinstein Monofilament on either foot at one of four sites tested (1st, 3rd, 5th metatarsal heads, and plantar surface of hallux) OR a vibration perception threshold value of 25 or m…
Tall RCW= a knee high removable cast walker with an offloading insole Short RCW= an ankle high (extending up the leg just past the ankle) removable cast walker with an offloading insole, paired with an external shoe lift to be used with a diabetic shoe on the contralateral limb
Arctuva estimate
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