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Safety of Nonoperative Management After Acute Diverticulitis

대한대장항문학회지 2014년 30권 5호 p.216 ~ 221
 ( Alecha Javier Suarez ) - Complejo Hospitalario de Navarra Unit of Coloproctology Departament of Surgery

 ( Pais Sonia Amoza ) - Complejo Hospitalario de Navarra Unit of Coloproctology Departament of Surgery
 ( Marin Xavi Batlle ) - Complejo Hospitalario de Navarra Unit of Coloproctology Departament of Surgery
 ( Martinez Begona Oronoz ) - Complejo Hospitalario de Navarra Unit of Coloproctology Departament of Surgery
 ( Ribera Enrique Balen ) - Complejo Hospitalario de Navarra Unit of Coloproctology Departament of Surgery
 ( Irazabal Concepcion Yarnoz ) - Complejo Hospitalario de Navarra Unit of Coloproctology Departament of Surgery

Abstract


Purpose: The role of surgery in the management of diverticular disease after an episode of acute diverticulitis (AD) managed in a conservative form is evolving. Age, number of episodes of AD, type of episode, and symptoms after the episodes are factors related to the need for elective surgery. The aim of this study is to evaluate the safety of conservative management and the risk factors for emergency surgery after a first episode of AD managed without surgery.

Methods: We retrospectively evaluated 405 patients diagnosed as having had a first episode of AD. Sixty-nine patients underwent emergency surgery on the first admission, and 69 patients had an elective operation in the follow-up (group A). The remaining 267 patients were managed initially without surgery (group B). Thirteen of these 267 patients needed a further urgent surgical procedure. Factors involved in the decision of elective surgery and the probability of emergency surgery after the first episode of AD managed without surgery were evaluated in relation to demographic factors, risk factors, presence of recurrences, and type of the first episode.

Results: Patients, mean age was 62.7 years, 71 were aged less than 51, and 151 were males. The mean follow-up for patients with nonoperative management was 91.2 months. An elective operation was performed in 69 patients. Compared to patients in group B, those in group A more frequently had a first episode of complicated acute diverticulitis (CAD) (37.1% vs. 16.4%; P = 0.000) and were more likely to be smokers (46.3% vs. 19.3%; P = 0.000) and to suffer more than one episode of AD (42% vs. 26.9%; P = 0.027). Nonoperative management was chosen for 267 patients, but 13 patients needed an emergency operation later. In the multivariate analysis, we found a significant relation between the presence of CAD in the first episode and the need for emergency surgery. There were no differences in surgical mortality between the patients in the two groups, but patients treated with elective surgery had a higher rate of stoma than patients treated non-operatively (7.2% vs. 1.4%; P = 0.028); this difference was not observed in the subgroup of patients with CAD (15.3% vs. 6.8%; P = 0.458).

Conclusion: After an episode of AD, nonoperative management is safe because fewer than 5% of patients will need an emergent procedure in a subsequent attack of AD. A first episode of CAD is the only risk factor for emergency surgery in patients managed conservatively.

키워드

Complicated acute diverticulitis; Acute diverticulitis surgery; Colonic diverticulitis
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