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Does infection affect amputation rate in chronic critical leg ischemia?
O Kummer1, M K Widmer, S Plüss
1Swiss Cardiovascular Center Bern, Division of Angiology and Division of Cardiovascular Surgery, University Hospital, Bern, Switzerland.
VASA. Zeitschrift Fur Gefasskrankheiten
|April 8, 2003
Summary
Local infections significantly increase amputation rates in chronic critical limb ischemia (CLI) patients, even after successful revascularization. Prompt antibiotic treatment is crucial for managing these infections and improving outcomes.
Area of Science:
- Vascular Surgery
- Infectious Diseases
- Limb Salvage
Background:
- Chronic critical limb ischemia (CLI) poses a significant risk for amputation.
- The role of local infection in amputation rates among CLI patients requires further elucidation.
- Understanding infection's impact is vital for optimizing treatment strategies.
Purpose of the Study:
- To investigate the association between local infection and amputation rates in patients with chronic critical limb ischemia (CLI).
- To analyze this association in both successfully revascularized and non-revascularized CLI patients.
- To determine the clinical significance of infection in limb salvage outcomes.
Main Methods:
- Retrospective analysis of 57 CLI limbs from 56 patients.
- Infection defined by specific inflammatory markers (temperature, CRP, leukocytes) or putrid secretion.
- Comparison of amputation rates based on revascularization success and infection presence.
Main Results:
- Successful revascularization shifted amputations from major to minor.
- Infection criteria were met in 41.5% and 52.6% of limbs.
- Infections were significantly more prevalent in patients undergoing amputation (p=0.001).
Conclusions:
- Successful revascularization reduces major amputations and promotes ulcer healing.
- Secondary foot infections are common in CLI patients.
- Infections are linked to higher minor and major amputation rates, necessitating timely and adequate antibiotic treatment.