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01.01.2012 | Ausgabe 1/2012

World Journal of Surgery 1/2012

Emergency Surgery in Patients Who Have Undergone Recent Radiotherapy is Associated With Increased Complications and Mortality: Review of 536 Patients

Zeitschrift:
World Journal of Surgery > Ausgabe 1/2012
Autoren:
Michael C. Sullivan, Sanziana A. Roman, Julie A. Sosa
Wichtige Hinweise
Some of the data were presented as a poster at the Society of Surgical Oncology’s 64th Annual Cancer Symposium, San Antonio, Texas, March 2011.

Abstract

Background

There is a paucity of data regarding patients undergoing emergency surgery following radiotherapy. This study examines the morbidity and mortality of patients having emergent surgery ≤90 days after irradiation.

Methods

We identified patients ≥18 years of age in the American College of Surgeons National Surgical Quality Improvement Program (Radiation group) who underwent irradiation ≤90 days before emergency surgery. Patients receiving concomitant chemotherapy were excluded. Subjects were compared to a Control group that did not have preoperative irradiation but underwent similar emergent procedures (matched 1:1 on age and procedure). Demographic and clinical characteristics, including patient co-morbidities, functional status, and preoperative laboratory values, were assessed. Primary outcomes included 30-day postoperative morbidity and mortality. Log-transformed data, bivariate and multivariate linear and conditional logistic regression were used.

Results

A total of 536 patients were included, 268 per group. Patient demographics and preoperative co-morbidities were similar between groups. The Radiation group had more mortality [23.9% vs. 11.6%, P < 0.001; odds ratio (OR) 2.4], major complications (45.1% vs. 34.7%, P = 0.014; OR 1.55), and a greater likelihood of sustaining a complication (48.1% vs. 38.1%, P = 0.019; OR 1.51). Days from admission to operation, operating time, likelihood of reoperation, days from operation to death, and length of hospital stay were not statistically different. By conditional logistic regression, death was independently associated with irradiation, chronic obstructive pulmonary disease (COPD), impaired preoperative functional status, and thrombocytopenia; and a major complication was associated with COPD, hypoalbuminemia, and preoperative wound infection.

Conclusions

Patients who require emergent surgery ≤90 days after irradiation sustain increased morbidity and mortality. Optimizing the nutritional and functional status of these patients may improve surgical outcomes.

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