Comorbid depression and risk of lower extremity amputation in people with diabetes: systematic review and metaanalysis
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O'Neill, Sinéad M.
Buckley, Claire M.
BMJ Publishing Group
Objective: To compare the risk of lower extremity amputation (LEA) in people with diabetes with and without comorbid depression. Research design and methods: A systematic review of the published literature was conducted. Six databases were searched including PubMed, CINAHL, EMBASE, Medline, the Cochrane Library and PsycARTICLES from inception to 22 June 2016, using a detailed search strategy and cross-checking of reference lists for potentially eligible studies published in English. No date restrictions were employed. All studies were reviewed independently for inclusion by two review authors. Data extraction was performed using a standardized data abstraction form, and study quality was assessed independently by two reviewers. A meta-analysis was performed reporting pooled hazard ratios (HRs) and 95% CIs in Review Manager software. Results: In total, seven studies were eligible for inclusion in the systematic review. Data on 767 997 patients from five studies were included in the meta-analysis. Pooled estimates across the studies were obtained using a random-effects model due to significant heterogeneity (I2=87%). People with diabetes and depression had an increased hazard of LEA (HR 1.76, 95% CI 1.19 to 2.60) compared to people with diabetes and no depression. Conclusions: Based on the available evidence, comorbid depression appears to increase the risk of LEA in people with diabetes. Limited data were available, however, with significant heterogeneity between studies. Further research is needed to inform intervention and clinical practice development in the management of diabetes.
Comorbid depression , Lower extremity amputation , LEA , Diabetes
O’Neill, S. M., Kabir, Z., McNamara, G. and Buckley, C. M. (2017) 'Comorbid depression and risk of lower extremity amputation in people with diabetes: systematic review and meta-analysis', BMJ Open Diabetes Research and Care, 5(1), e000366 (11pp). doi: 10.1136/ bmjdrc-2016-000366
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