Gender-Based Analysis of Perioperative Outcomes Associated with Lower Extremity Bypass

We analyzed gender-based differences in preoperative factors, procedural characteristics, and 30-day outcomes after lower extremity bypass (LEB). LEB procedures were identified from the American College of Surgeons National Surgical Quality Improvement Program Participant User File. Groupwise compar...

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Bibliographic Details
Published in:The American surgeon 2011-07, Vol.77 (7), p.844-849
Main Authors: JAIN, Ashish K, VELAZQUEZ-RAMIREZ, Gabriela, GOODNEY, Philip P, EDWARDS, Matthew S, CORRIERE, Matthew A
Format: Article
Language:English
Subjects:
Aged
Biological and medical sciences
Blood
Diabetes
Female
Gender
General aspects
Heart attacks
Humans
Lower Extremity - blood supply
Male
Medical sciences
Mortality
Peripheral Arterial Disease - surgery
Risk assessment
Sex Factors
Stroke
Treatment Outcome
Vascular Surgical Procedures - methods
Women
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Summary:We analyzed gender-based differences in preoperative factors, procedural characteristics, and 30-day outcomes after lower extremity bypass (LEB). LEB procedures were identified from the American College of Surgeons National Surgical Quality Improvement Program Participant User File. Groupwise comparisons of preoperative and procedural variables were made using chi square, t tests, and nonparametric methods; gender influences on mortality, systemic, and surgical site complications were evaluated using logistic regression. Women (4,107 of 11,011 [37.3%]) were older and had greater prevalence of hypertension, diabetes, chronic obstructive pulmonary disease, rest pain, dialysis, previous stroke, open/infected wound, and dependent functional status (P < 0.01 for all comparisons). Women more commonly underwent emergent and extra-anatomic procedures but had lower rates of venous conduit or tibial level outflow use. Univariable associations between female gender and risk of 30-day mortality, systemic, and surgical site complications were identified; only the association with surgical site complications remained significant in multivariable modeling (OR, 1.8; 95% CI, 1.6 to 2.1; P < 0.0001). Gender-based differences in demographic, comorbidity, and procedural factors may contribute to disparities in perioperative outcomes associated with LEB. Female gender may be associated with increased risk for surgical site complications, but 30-day mortality and systemic complication rates in women may reflect effects of confounding factors rather than gender-specific influence.
ISSN:0003-1348
1555-9823
DOI:10.1177/000313481107700717