期刊
DIABETES-METABOLISM RESEARCH AND REVIEWS
卷 29, 期 5, 页码 377-383出版社
WILEY
DOI: 10.1002/dmrr.2400
关键词
diabetic foot ulcer; wound healing; ulcer location; time to healing; outcome
资金
- European Commission
- CAP Partner, Frederiksberg, Denmark
Background Healing of heel ulcers in patients with diabetes is considered to be poor, but there is relatively little information on the influence of ulcer location on ulcer healing. Methods The influence of ulcer location on time to healing of diabetic foot ulcers was analysed by multivariate Cox regression analysis for 1000 patients included in the Eurodiale study, a prospective cohort study of patients with diabetic foot disease. Results Median time to healing was 147days for toe ulcers [(95% confidence interval (CI) 135-159days)], 188days for midfoot ulcers (95% CI 158-218days) and 237days for heel ulcers (95% CI 205-269days) (p<0.01). The median time to healing for plantar ulcers was 172days (95% CI 157-187days) and 155days (95% CI 138-172days) for nonplantar ulcers (p=0.71). In multivariate Cox regression analysis, the hazard ratio for ulcer healing for midfoot and heel ulcers compared with toe ulcers was 0.77 (95% CI 0.64-0.92) and 0.62 (95% CI 0.47-0.83), respectively; the hazard ratio for ulcer healing for plantar versus nonplantar ulcers was 1 (95% CI 0.84-1.19). Other factors significantly influencing time to healing were the duration of diabetes, ulcer duration, the presence of heart failure and the presence of peripheral arterial disease. Conclusions Time to ulcer healing increased progressively from toe to midfoot to heel, but did not differ between plantar and nonplantar ulcers. Our data also indicate that risk factors for longer time to healing differ from factors that affect the ultimate number of ulcers that heal (healing rate). Copyright (c) 2013 John Wiley & Sons, Ltd.
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