title: Risk factors for recurrence of right colonic uncomplicated diverticulitis after first attack.
abstract: OBJECTIVE
  Most patients with acute right colonic uncomplicated diverticulitis can be managed conservatively. The aim of this study was to assess the clinical and radiologic risk factors for recurrence in patients with right colonic uncomplicated diverticulitis.
  
  
  METHODS
  The present survey included 469 patients who were successfully managed conservatively for the first episode of right colonic uncomplicated diverticulitis between 2002 and 2012 in a referral center, and records were reviewed from collected data. Patients were divided into two groups: a nonrecurrent and a recurrent group. The clinical and radiologic features of all patients were analyzed to identify possible risk factors for recurrence. The Kaplan-Meier method and Cox regression were used.
  
  
  RESULTS
  Seventy-four (15.8 %) patients had recurrence, and 15 (3.2 %) received surgery at recurrence within a median follow-up of 59 months. The mean recurrence interval after the first attack was 29 months. In univariate and multivariate analyses, risk factors for recurrence were confirmed multiple diverticula (relative risk [RR], 2.62; 95 % confidence interval [CI], 1.56-4.40) and intraperitoneally located diverticulitis (RR, 3.73; 95 % CI, 2.13-6.52). Of 66 patients with two risk factors, 36 (54.5 %) had recurrence and 10 (15.2 %) received surgery at recurrence.
  
  
  CONCLUSIONS
  In patients with right colonic uncomplicated diverticulitis who have multiple diverticula and intraperitoneally located diverticulitis, the possibility of recurrence and surgical rate are high. Poor outcome may be cautioned in these patients.
authors: Department of Surgery, Hallym University College of Medicine, 896 Pyeongchon-dong, Dongan-gu, Anyang, 431-070, Republic of Korea.
authors: Hyoung-Chul
authors: HC
authors: Park
authors: Byung Seup
authors: BS
authors: Kim
authors: Kwanseop
authors: K
authors: Lee
authors: Min Jeong
authors: MJ
authors: Kim
authors: Bong Hwa
authors: BH
authors: Lee
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D004239:Diverticulitis, Colonic / Q000000981:diagnostic imaging* / Q000188:drug therapy* / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012008:Recurrence; D012189:Retrospective Studies; D012307:Risk Factors; D016896:Treatment Outcome; D014463:Ultrasonography; D055815:Young Adult
chemical_list: D000900:Anti-Bacterial Agents