A systematic review and meta-analysis of off-loading methods for diabetic foot ulcers

Tarig Elraiyah, Gabriela Prutsky, Juan Pablo Domecq, Apostolos Tsapas, Mohammed Nabhan, Robert G. Frykberg, Belal Firwana, Rim Hasan, Larry J. Prokop, Mohammad Hassan Murad

Research output: Contribution to journalReview article

21 Scopus citations

Abstract

Background Increased plantar foot pressure is one of several key factors that lead to diabetic foot ulcers. Multiple methods have been proposed to relieve this pressure and thus enhance wound healing and potentially prevent relapse. We aimed in this systematic review to find the best available evidence for off-loading methods. Methods We searched MEDLINE, Embase, Cochrane CENTRAL, Web of Science, and Scopus through October 2011. Pairs of independent reviewers selected studies and extracted data. Predefined outcomes of interest included complete wound healing, time to complete wound healing, amputation, infection, and relapse rates. Results We identified 19 interventional studies, of which 13 were randomized controlled trials, including data from 1605 patients with diabetic foot ulcers using an off-loading method. The risk of bias in the included studies was moderate. This analysis demonstrated improved wound healing with total contact casting over removable cast walker, therapeutic shoes, and conventional therapy. There was no advantage of irremovable cast walkers over total contact casting. There was improved healing with half-shoe compared with conventional wound care. Therapeutic shoes and insoles reduced relapse rate in comparison with regular footwear. Data were sparse regarding other off-loading methods. Conclusions Although based on low-quality evidence (ie, evidence warranting lower certainty), benefits are demonstrated for use of total contact casting and irremovable cast walkers in the treatment of diabetic foot ulcers. Reduced relapse rate is demonstrated with various therapeutic shoes and insoles in comparison with regular footwear.

Original languageEnglish (US)
Pages (from-to)59S-68S.e2
JournalJournal of vascular surgery
Volume63
Issue number2
DOIs
StatePublished - Feb 1 2016

ASJC Scopus subject areas

  • Surgery
  • Cardiology and Cardiovascular Medicine

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    Elraiyah, T., Prutsky, G., Domecq, J. P., Tsapas, A., Nabhan, M., Frykberg, R. G., Firwana, B., Hasan, R., Prokop, L. J., & Murad, M. H. (2016). A systematic review and meta-analysis of off-loading methods for diabetic foot ulcers. Journal of vascular surgery, 63(2), 59S-68S.e2. https://doi.org/10.1016/j.jvs.2015.10.006