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Arquivos de Gastroenterologia

Print version ISSN 0004-2803On-line version ISSN 1678-4219

Abstract

NAHAS, Sergio Carlos et al. Colonoscopy as a diagnostic and therapeutic method of the large bowel diseases: analysis of 2,567 exams. Arq. Gastroenterol. [online]. 2005, vol.42, n.2, pp.77-82. ISSN 1678-4219.  https://doi.org/10.1590/S0004-28032005000200003.

BACKGROUND: Since the sixties, when the optic fibers were reported, colonoscopy had emerged as the first line imaging investigation of the colon. AIM: To review the results of diagnostic and therapeutic colonoscopy at the Discipline of Coloproctology of the University of São Paulo Medical School, São Paulo, SP, Brazil, respecting the characteristics of an institution of medical eduction. METHODS: Retrospective analysis of basis related to 2,567 fibro colonoscopies between 1984 and 2002. The procedure was performed in hospitalized and in outpatients. The most common indications for colonoscopy were investigation of rectal bleeding and anemia (22.4%), change of bowel habit (14.76%), inflammatory bowel disease (8.65%) and carcinoma (7.25%). Bowel preparation with manitol was used by most of the patients. Sedation, when not contra-indicated, was administered. The most common combination was meperidine and benzodiazepine. All the exams were monitored with pulse oximeter. A normal colonoscopy to the point of maximum insertion was reported in 42.42% of procedures. The most common diagnosis was polyps (15.47%), followed by diverticular disease (12.86%). Inflammatory disease was recorded in 11.88% and carcinoma in 10.21%. Polypectomy was undertaken in 397 patients (2.21 polypectomy per patient with polyps). Colonoscopy was considered incomplete (when the colonoscope did not pass to the cecum or terminal ileum) in 181 (7.05%) cases. Perforation was reported in one patient who had a subestenosing retossigmoid tumor. In 0.42%, reasons for failing to complete the procedure included complication related to sedation, with no further prejudice for the patients. CONCLUSIONS: Colonoscopic examination of the entire colon remains the standard for visualization, biopsy and treatment of colonic affections. The incidence of complication of endoscopy of the large bowel is quite low, even in a school hospital.

Keywords : Intestinal diseases [diagnosis]; Colonoscopy; Intestinal polyps; Polyps [diagnosis].

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