• Raman Mehrzad, Suprav Mishra, Garrey Faller, Babar Memon, and Joseph Fiore.
• Department of Internal Medicine, Steward Carney Hospital, Boston, Mass., USA.
• Med Princ Pract. 2015 Jan 1; 24 (4): 355361355-61.

ObjectiveTo report the prevalence, clinical differences and complications of right-sided diverticulosis (RD) and to investigate the potential disparities from left-sided diverticulosis (LD) in the Vietnamese population.Subjects And MethodsA retrospective cohort study was conducted using medical records of Vietnamese-born patients from 2000 to 2013 in a community teaching hospital in Boston, Mass., USA. By simple randomization, a randomized control group of 299 Caucasian patients was also selected from the same time frame [167 males (M) and 132 females (F)]. Colonoscopy reports were reviewed for demographics (age and gender), indication and anatomical location of the colonic diverticulosis (CD), concomitant colonic findings, symptoms, and endoscopic complications.ResultsA total of 207 patients were included in the Vietnamese cohort (mean age 61.6 ± 8.9 years). The mean age at first screening colonoscopy was 58.2 ± 7.2 years (114 F/92 M, 55.7/44.4%). Our study identified 104 (50.5%) patients with LD (57 M/47 F), 65 (31.1%) with RD (35 M/30 F) and 38 (18.4%) with both LD and RD (23 M/15 F); 133 (64%) were asymptomatic. A total of 21 (33%) patients with RD were symptomatic. The mean age of the control group was 61.6 ± 8.1 years. The average age at first screening colonoscopy was 52.8 ± 6.4 years. Of the 299 in the Caucasian group, 254 (84.9%) had LD (114 M/140 F), 9 (3.0%) had RD (2 M/7 F) and 36 (12%) had both LD and RD (16 M/20 F); 225 (75%) were asymptomatic and came in for screening colonoscopies. A total of 2 patients (22%) with RD were symptomatic.ConclusionRD was common in this Vietnamese population, and the prevalence was higher than in the Caucasian control group.© 2015 S. Karger AG, Basel.

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