• J. Investig. Med. · Dec 2023

    Review

    EXPRESS: Colonoscopy in the young: an indication-based analysis of outcome.

    • Fadi Abu Baker, Ahmad Samhat, Randa Taher Natour, Abdel-Rauf Zeina, and Yael Kopelman.
    • Department of Gastroenterology and Hepatology, Hillel Yaffe medical center, Hadera, Israel.
    • J. Investig. Med. 2023 Dec 1; 71 (8): 797803797-803.

    BackgroundData on colonoscopy's diagnostic yield in young adults with lower gastrointestinal symptoms are scarce. We evaluated this yield in young patients by performing an indication-based analysis of outcomes.MethodsWe reviewed diagnostic colonoscopies performed in young adults (age <50 years) over 10 years. We created two groups of young adults (18-39 years, n = 4941) and quadragenarians (40-49 years; n = 6605), included a control group of average-risk patients referred for screening colonoscopies during the same period (50-60 years, n = 1453). We evaluated clinical indications for colonoscopies among the young and performed an indication-based analysis of patients' outcomes.ResultsChronic diarrhea and abdominal pain (42.4 and 36.2%), rectal bleeding (19.8 and 18.4%), and constipation were major indications for colonoscopy performance in quadragenarian and younger patients, respectively. Overall, diverticulosis (8.7 vs 1.3 and 3.9%; p1,2 < 0.000) and polyp detection rates (PDR) (19.6 vs 6.1 and 12.1; p1,2 < 0.000) were significantly higher in the control group, while inflammatory bowel disease (10.9 and 3.6% vs 0.1%; p1,2 < 0.000) was more prevalent in both young patients' groups. Indication-based analysis revealed that rectal bleeding was linked with increased PDR and significantly and independently associated with colorectal cancer (CRC) development (odds ratio = 10.160. p < 0.001 and 95% confidence interval = 6.201-16.647), even in the younger patients. In contrast, performing a colonoscopy for the evaluation of constipation was associated with the lowest yield.ConclusionWe outlined the expected diagnostic yields of colonoscopy performed in young patients for multiple indications, showing that rectal bleeding was consistently associated with CRC and polyp detection.

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