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Mortality in open abdominal aortic surgery in patients with morbid obesity. | LitMetric

AI Article Synopsis

Article Abstract

Background: Open abdominal aortic surgery is among procedures with high morbidity and mortality. Adverse postoperative complications may be more common in morbidly obese patients.

Objectives: This study compared the outcomes of open abdominal aortic surgeries in patients with and without morbid obesity.

Setting: A retrospective analysis of 2007-2014 Healthcare Cost and Utilization Project-Nationwide Inpatient Sample.

Methods: We included patients who underwent open abdominal aortic aneurysm (AAA) repair or open aorta-iliac-femoral (AIF) bypass. Demographic factors, morbid obesity, co-morbidities, and emergent versus elective surgery were considered for univariate and multivariate analyses.

Results: A total of 29,340 patients (13,443 AAA repair and 15,897 AIF bypass) were included (age 66.3 ± 10.8 years, 65.7% male). The mortality was 9.1% in 536 patients with morbid obesity compared with 7.1% in patients without morbid obesity. Based on multivariate analysis, age, existing co-morbidities, emergent versus elective setting, and morbid obesity were found to be independent predictors of mortality. Patients with morbid obesity had an odds ratio of 3.61 (95% CI, 1.50-8.68; P = .004) for mortality, longer mean length of stay (11.2 versus 9.3 days, P < .001), and higher total hospital charges ($99,500 versus $73,700, P < .001).

Conclusions: Morbid obesity is an independent risk factor of mortality in patients undergoing open AAA repair and AIF bypass. Weight loss strategies should be considered for morbidly obese patients with an anticipation of open abdominal aortic procedures.

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Source
http://dx.doi.org/10.1016/j.soard.2019.03.044DOI Listing

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