Risk factors for major amputation in hospitalized diabetic patients with forefoot ulcers

Kyung-Chul Moon1, Soo-Byn Kim1, Seung-Kyu Han1

  • 1Department of Plastic Surgery, Korea University Guro Hospital, Seoul, South Korea.

Insights

Male gender, high magnesium, high platelets, and low HbA1c are key risk factors for major amputation in diabetic foot ulcer patients. Understanding these factors aids in preventing limb loss for individuals with diabetes.

Area of Science:

  • Endocrinology
  • Vascular Surgery
  • Diabetology

Background:

  • Diabetic foot ulcers are a significant cause of morbidity and mortality.
  • Major amputation is a devastating complication, impacting quality of life and survival.

Purpose of the Study:

  • To identify independent risk factors for major amputation in hospitalized patients with diabetic forefoot ulcers.

Main Methods:

  • Retrospective analysis of 1032 diabetic patients with forefoot ulcers admitted between 2003-2018.
  • Collected data on 88 potential risk factors, including demographics, ulcer characteristics, and serological markers.
  • Utilized univariate and stepwise multiple logistic regression to identify significant predictors of amputation.

Main Results:

  • Four factors remained significant predictors in multivariate analysis: male gender, elevated magnesium, elevated platelets, and decreased glycated hemoglobin (HbA1c).
  • Male gender (OR 8.216) and increased magnesium (OR 2.480) were associated with higher amputation risk.
  • Increased platelet count (OR 1.009) showed a slight association, while lower HbA1c (OR 0.570) was protective.

Conclusions:

  • Male gender, elevated serum magnesium, and elevated platelet levels are significant risk factors for major amputation in diabetic forefoot ulcer patients.
  • Lower levels of glycated hemoglobin (HbA1c) appear to be protective against major amputation.
  • These findings can inform targeted interventions to reduce amputation rates in this vulnerable population.
Abstract

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