Low Rates of Revascularization and High In-Hospital Mortality in Patients With Ischemic Lower Limb Amputation: Morbidity and Mortality of Ischemic Amputation

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Background:To assess the nationwide contemporary burden of cardiovascular risk factors, comorbidities, and in-hospital mortality in patients with lower limb amputation (LLA) due to peripheral arterial disease and critical limb ischemia (CLI) in Germany.Methods:German nationwide data for 2005 and 2009 were analyzed regarding in-hospital rates of major and minor ischemic LLA, risk factors, comorbidities, surgical and endovascular revascularizations, and in-hospital mortality.Results:In 2005, a total of 22 479 major (7.8%) and 28 262 minor (9.8%) LLAs were performed with a relative decrease of -21.8% in major LLA, yet with a relative increase of +2% in minor LLA rate in 2009. The overall revascularization rate before amputation was 46% in 2005 and 57% in 2009. In-hospital mortality for non-CLI, minor, and major amputees was 3.3%, 4.6%, and 19.8%, respectively (P < .001 for major vs minor LLA and non-CLI).Conclusion:The total number of ischemic LLA and amputation-related in-hospital mortality remains high in Germany in the 21st century. The poor outcome of patients with CLI might in part be due to underuse of revascularizations prior to amputation.

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