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. 2009 Jan-Feb;23(1):7-11.
doi: 10.1016/j.jdiacomp.2007.11.008. Epub 2008 Apr 16.

Mortality in diabetic and nondiabetic patients after amputations performed from 1996 to 2005 in a tertiary hospital population: a 3-year follow-up study

Athanasia Papazafiropoulou  1 , Nicholas Tentolouris, Rigas-Philippos Soldatos, Christos D Liapis, Eleftherios Dounis, Alkiviadis G Kostakis, Elias Bastounis, Nicholas Katsilambros
Affiliations

Mortality in diabetic and nondiabetic patients after amputations performed from 1996 to 2005 in a tertiary hospital population: a 3-year follow-up study

Athanasia Papazafiropoulou et al. J Diabetes Complications. 2009 Jan-Feb.

Abstract

Aims: Diabetes is the leading cause of lower-extremity amputations worldwide. The objective of this study was to look at the survival after first amputation between subjects with and without diabetes in a sample of Greek population.

Method: We performed a retrospective study of all nontrauma, nonneoplasm-related amputations performed in a tertiary centre during the years 1996-2005 in diabetic (n=183) and nondiabetic patients (n=75). Survival status was assessed from the first amputation until December 31, 2005.

Results: A total of 54.6% of amputees with diabetes and 51.6% of those without diabetes died in a mean [95% confidence interval (CI)] time of 4.3 (3.5-5.1) and 6.6 (4.6-8.6) years after the first amputation, respectively (P=.65). Diabetic patients underwent a second amputation (P=.003) and contralateral amputations (P=.02) more often in comparison with nondiabetic subjects. Predictors of all-cause mortality in the diabetic group, after adjustment for sex, were age [hazard ratio (HR) (95% CI), 1.04 (1.02-1.06); P<.001] and the level of amputation (major vs. minor) [HR, 1.55 (1.00-2.40), P=.05]. The respective values in the nondiabetic patients were HR of 1.06 (1.03-1.08; P<.001) and HR of 3.12 (1.27-7.64; P=.01). Median length of hospital stay was comparable between the two groups.

Conclusion: Mortality rates after amputation were high in both patients with and without diabetes. Older age and a higher level of amputation were associated with poorer survival. Diabetic patients more often underwent a second amputation to the same and the contralateral limb. Additionally, mortality rates, length of hospital stay, and perioperative mortality were not different between patients with and without diabetes.

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