Emre Gorgun1, Ozgen Isik2, Ipek Sapci2, Erman Aytac2, Maher A Abbas2, Gokhan Ozuner2, James Church2, Scott R Steele2. 1. Department of Colorectal Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, 9500 Euclid Ave, Cleveland, OH, 44195, USA. gorgune@ccf.org. 2. Department of Colorectal Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, 9500 Euclid Ave, Cleveland, OH, 44195, USA.
Abstract
BACKGROUND: Colonoscopy in patients with diverticulosis can be technically challenging and limited data exist relating to the risk of post-colonoscopy diverticulitis. Our aim was to evaluate the incidence, management, and outcomes of acute diverticulitis following colonoscopy. METHODS: Study design is retrospective cohort study. Data were gathered by conducting an automated search of the electronic patient database using current procedural terminology and ICD-9 codes. Patients who underwent a colonoscopy from 2003 to 2012 were reviewed to find patients who developed acute diverticulitis within 30 days after colonoscopy. Patient demographics and colonoscopy-related outcomes were documented, which include interval between colonoscopy and diverticulitis, colonoscopy indication, simultaneous colonoscopic interventions, and follow-up after colonoscopy. RESULTS: From 236,377 colonoscopies performed during the study period, 68 patients (mean age 56 years) developed post-colonoscopy diverticulitis (0.029%; 2.9 per 10,000 colonoscopies). Incomplete colonoscopies were more frequent among patients with a history of previous diverticulitis [n = 10 (29%) vs. n = 3 (9%), p = 0.03]. Mean time to develop diverticulitis after colonoscopy was 12 ± 8 days, and 30 (44%) patients required hospitalization. 34 (50%) patients had a history of diverticulitis prior to colonoscopy. Among those patients, 14 underwent colonoscopy with an indication of surveillance for previous disease. When colonoscopy was performed within 6 weeks of a diverticulitis attack, surgical intervention was required more often when compared with colonoscopies performed after 6 weeks of an acute attack [n = 6 (100%) vs. n = 10 (36%), p = 0.006]. 6 (9%) out of 68 patients received emergency surgical treatment. 15 (24%) out of 62 patients who had non-surgical treatment initially underwent an elective sigmoidectomy at a later date. Recurrent diverticulitis developed in 16 (23%) patients after post-colonoscopy diverticulitis. CONCLUSIONS: Post-colonoscopy diverticulitis is a rare, but potentially serious complication. Although a rare entity, possibility of this complication should be kept in mind in patients presenting with symptoms after colonoscopy.
BACKGROUND: Colonoscopy in patients with diverticulosis can be technically challenging and limited data exist relating to the risk of post-colonoscopy diverticulitis. Our aim was to evaluate the incidence, management, and outcomes of acute diverticulitis following colonoscopy. METHODS: Study design is retrospective cohort study. Data were gathered by conducting an automated search of the electronic patient database using current procedural terminology and ICD-9 codes. Patients who underwent a colonoscopy from 2003 to 2012 were reviewed to find patients who developed acute diverticulitis within 30 days after colonoscopy. Patient demographics and colonoscopy-related outcomes were documented, which include interval between colonoscopy and diverticulitis, colonoscopy indication, simultaneous colonoscopic interventions, and follow-up after colonoscopy. RESULTS: From 236,377 colonoscopies performed during the study period, 68 patients (mean age 56 years) developed post-colonoscopy diverticulitis (0.029%; 2.9 per 10,000 colonoscopies). Incomplete colonoscopies were more frequent among patients with a history of previous diverticulitis [n = 10 (29%) vs. n = 3 (9%), p = 0.03]. Mean time to develop diverticulitis after colonoscopy was 12 ± 8 days, and 30 (44%) patients required hospitalization. 34 (50%) patients had a history of diverticulitis prior to colonoscopy. Among those patients, 14 underwent colonoscopy with an indication of surveillance for previous disease. When colonoscopy was performed within 6 weeks of a diverticulitis attack, surgical intervention was required more often when compared with colonoscopies performed after 6 weeks of an acute attack [n = 6 (100%) vs. n = 10 (36%), p = 0.006]. 6 (9%) out of 68 patients received emergency surgical treatment. 15 (24%) out of 62 patients who had non-surgical treatment initially underwent an elective sigmoidectomy at a later date. Recurrent diverticulitis developed in 16 (23%) patients after post-colonoscopy diverticulitis. CONCLUSIONS: Post-colonoscopy diverticulitis is a rare, but potentially serious complication. Although a rare entity, possibility of this complication should be kept in mind in patients presenting with symptoms after colonoscopy.
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