Ischemic colitis following infrarenal abdominal aortic aneurysm treatment: Results from a tertiary medical center

Abstract

OBJECTIVE: The aim of this study was to investigate the effects of ruptured aneurysm on morbidity and mortality in patientswith ischemic colitis (IC) and resection following infrarenal abdominal aortic aneurysms (AAA) surgery.METHODS: Between January 2012 and December 2016, patients who underwent resection for ischemic colitis in our clinicwere retrospectively reviewed. Data on the ruptured condition of the aneurysm, the emergency or elective form of aneurysmsurgery, treatment method for the aneurysm (EVAR-open) were obtained. The patients were compared and divided into twogroups as those with ruptured aneurysm and those without.RESULTS: A total of 275 infrarenal AAA cases were treated by the cardiovascular surgery clinic between January 2012 andDecember 2016. Fourteen patients (5%) developed ischemic colitis requiring resection. Four (1.8%) patients with EVAR and10 (17.5%) patients with open surgery were operated because of IC. No statistically significant difference was observedbetween the two groups in terms of demographic data and surgical procedures. The intergroup comparison did not revealany statistically significant difference among gastrointestinal (GIS) symptoms, the time period until surgery, the involvedcolon segment, and the surgical procedures performed. The mortality rate in ruptured AAA group was 83.3%, while it was62.5% in the non-ruptured AAA group. In spite of the fact that the mortality rate was high in the ruptured group, it was notstatistically significant (p=0.393).CONCLUSION: IC is a complication of AAA surgery with a high mortality rate. Rupture in abdominal aortic aneurysm increasing mortality in IC patients. This complication with a high mortality rate following open AAA surgery should be notedby surgeons and we believe that the liberal utilization of laparotomy and early intervention in suspected cases will decreasemortality rates.