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Published on: July 12, 2018
Co-morbidity and postsurgical outcome in patients with perforated sigmoid diverticulitis
Mario H Mueller1, Martina Karpitschka, Bernhard Renz
1Department of Surgery, Ludwig-Maximilians-University, Munich, Germany.
Introduction:
It was previously reported that in patients with acute perforated diverticulitis with Hinchey categories I to III sigmoidectomy with primary anastomosis (PA) is superior to Hartmann's procedure (HP) as later closure of colostomy involves substantial morbidity. We evaluated our experience with PA for patients with perforated diverticulitis over a 10-year period and aimed to investigate whether Hinchey category or co-morbidity are more relevant for postoperative outcome.
Methods:
Records of all patients treated at our institution for sigmoid diverticulitis between 1996 and 2006 were retrieved from an in-hospital database (N = 787, median age 66 years, range 30 to 94, female:male ratio 1.3:1); 73 patients who underwent immediate emergency surgery for perforated diverticulitis were included in this study. American Society of Anesthesiology (ASA) classification to gauge co-morbidity and Hinchey category for intraoperative extent of inflammation were evaluated as regards their relevance for postoperative mortality and major complications.
Results:
47 patients (64%) underwent sigmoid colectomy and PA, which was combined with loop ileostomy in 11 patients (15%). Sigmoid colectomy and HP was performed in 26 patients (36%). Major postoperative complications occurred in 26 patients (36%). In the PA group, 10 of 47 patients (21%) had anastomotic leakage. Three leakages occurred despite a loop ileostomy. Anastomotic leakage was independent of Hinchey category (Hinchey I: three patients, Hinchey II: four patients, Hinchey III: three patients, n.s.), but associated with co-morbidity (one patient ASA II, six patients ASA III, three patients ASA IV, P < 0.05). Total mortality was 12%. Seven patients died after HP and two patients after PA. No mortality was observed in PA patients with loop ileostomy.
Conclusions:
Emergency surgery for perforated sigmoid diverticulitis is associated with high morbidity and mortality rates. Anastomotic leakage was associated with patient co-morbidity rather than with intraoperative Hinchey category, suggesting that the decision to perform PA should better be based on patient's general condition rather than on intraoperative extent of inflammation.
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