A systematic review of compression therapy for venous leg ulcers

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Abstract
The aim of the study was to determine the relative effectiveness of compression therapies used in the treatment of venous leg ulcers. Randomized controlled trials (RCT) were sought using a search strategy that aimed to identify relevant RCT by searching eight electronic databases (including Medline, Embase and CINHAL), conference proceedings and hand searching key journals. In addition, citations within papers were scrutinized to identify any relevant studies. Suitability for inclusion in this review was determined by a critical appraisal of key determinants of the quality of the trials. Trials that included patients of mixed ulcer aetiology were excluded unless the results of patients with venous disease were reported separately. Data was extracted independently by two reviewers and synthesized quantitatively and qualitatively. Losses to follow-up/withdrawals were assumed to be failures of treatment. A total of 132 articles were identified, and of these eight fulfilled the inclusion criteria. The remaining 126 trials were excluded due to trial design flaws, the inclusion of mixed/arterial aetiology ulcers or because they were non-RCT. Meta-analysis using a random-effects model showed the benefits of multi-layer and elastic compression bandages. It was concluded that more high-quality trials are required and that more emphasis should be placed on economic and quality of life data to try to ascertain the cost-effectiveness and utility of the treatment options available.