Journal
AMERICAN SURGEON
Volume 87, Issue 10, Pages 1569-1574Publisher
SAGE PUBLICATIONS INC
DOI: 10.1177/00031348211024639
Keywords
amputation; outcomes; vascular quality Initiative; functional status
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The study from VQI database showed a 1-year mortality rate of nearly 20% after major LEA, with significant associations with hypertension, congestive heart failure, chronic obstructive pulmonary disease, dependent functional status, and post-operative myocardial infarction. Patients with COPD experienced a decline in ambulatory status at 1 year, while those with dependent functional status were less likely to progress to higher level amputation.
Introduction Major lower extremity amputation (LEA) results in significant morbidity and mortality. This study identifies factors contributing to adverse long-term outcomes after major LEA. Study Design Amputations in the Vascular Quality Initiative (VQI) long-term follow-up database from 2012 to 2017 were included. Multivariable logistic regression determined which significant patient factors were associated with 1-year mortality, long-term functional status, and progression to higher level amputation within 1 year. Results 3440 major LEAs were performed and a mortality rate of 19.9% was seen at 1 year. Logistic regression demonstrated that 1-year mortality was associated with post-op myocardial infarction (MI) (odds ratio (OR) 1.7, CI 1.02-2.97, P = .04), congestive heart failure (CHF) (OR 1.9, confidence interval (CI) 1.56-2.38, P < .001), hypertension (HTN) (OR 1.31, CI 1.00-1.72, P = .05), chronic obstructive pulmonary disease (COPD) (OR 1.36, CI 1.13-1.63, P < .001), and dependent functional status (OR 2.01, CI 1.67-2.41, P < .001). A decline in ambulatory status was associated with COPD (OR 1.36, CI 1.09-1.68, P = .006). Dependent functional status was protective against revision to higher level amputation (OR .18, CI .07-.45, P < .001). Conclusion In the VQI, 1-year mortality after major LEA is nearly 20% and associated with HTN, CHF, COPD, dependent functional status, and post-op MI. Decreased functional status at 1 year was associated with COPD, and progression to higher level amputation was less likely in patients with dependent functional status.
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