당뇨병성 족부 궤양 환자의 진단 1년 내의 절단율 및 위험 인자의 분석
The Amputation Rate and Associated Risk Factors within 1 Year after the Diagnosis of Diabetic Foot Ulcer
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Purpose: This study investigates the amputation rate within 1 year after the diagnosis of diabetic foot ulcer and its associated risk factors. Materials and Methods: This study enrolled 60 patients with diabetic foot ulcer. The mean and standard deviation age was 64.4±12.8 years (range, 32∼89 years); the mean and standard deviation prevalence period for diabetes mellitus was 21.0±7.5 years (range, 0.5∼36 years). The amputation rate was evaluated by dividing the subjects into two groups—the major and minor amputation groups—within 1 year following the initial diagnosis of diabetic foot ulcer. Multivariate Cox proportional hazards regression analysis was used to identify the risk factors for amputation. Results: The total amputation rate of 38.3% (n=23) was comprised of the amputation rate for the major amputation group (10.0%) and rate for the minor amputation group (23.8%). There was a high correlation between peripheral artery disease (toe brachial pressure index <0.7) and amputation (hazard ratio [HR] 5.81, confidence interval [CI] 2.09∼16.1, p<0.01). Nephropathy was significantly correlated with the amputation rate (HR 3.53, CI 1.29∼9.64, p=0.01). Conclusion: Clinicians who treat patients with diabetic foot complications must understand the fact that the amputation rate within 1 year is significant, and that the amputation rate of patients with peripheral artery disease or nephropathy is especially high.
Abstract
Purpose: This study investigates the amputation rate within 1 year after the diagnosis of diabetic foot ulcer and its associated risk factors. Materials and Methods: This study enrolled 60 patients with diabetic foot ulcer. The mean and standard deviation age was 64.4±12.8 years (range, 32∼89 years); the mean and standard deviation prevalence period for diabetes mellitus was 21.0±7.5 years (range, 0.5∼36 years). The amputation rate was evaluated by dividing the subjects into two groups—the major and minor amputation groups—within 1 year following the initial diagnosis of diabetic foot ulcer. Multivariate Cox proportional hazards regression analysis was used to identify the risk factors for amputation. Results: The total amputation rate of 38.3% (n=23) was comprised of the amputation rate for the major amputation group (10.0%) and rate for the minor amputation group (23.8%). There was a high correlation between peripheral artery disease (toe brachial pressure index <0.7) and amputation (hazard ratio [HR] 5.81, confidence interval [CI] 2.09∼16.1, p<0.01). Nephropathy was significantly correlated with the amputation rate (HR 3.53, CI 1.29∼9.64, p=0.01). Conclusion: Clinicians who treat patients with diabetic foot complications must understand the fact that the amputation rate within 1 year is significant, and that the amputation rate of patients with peripheral artery disease or nephropathy is especially high.
참고문헌 (14)
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