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The impact of visceral adipose tissue as best predictor for difficult colonoscopy and the clinical utility of a long small-caliber scope as rescue

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Listed:
  • Kazuhiro Kashiwagi
  • Nagamu Inoue
  • Toshifumi Yoshida
  • Rieko Bessho
  • Kazuaki Yoneno
  • Hiroyuki Imaeda
  • Haruhiko Ogata
  • Takanori Kanai
  • Yoshinori Sugino
  • Yasushi Iwao

Abstract

Background: There have been many reports about a variety of factors associated with incomplete colonoscopy or difficult colonoscopy with long cecal intubation time (CIT). The aim of this retrospective study was to analyze the factors related to difficult colonoscopy under conscious sedation and demonstrate the clinical utility of a small-caliber scope as rescue by using the data from a large number of subjects who underwent health check-ups. Methods: Consecutive 1036 cases over a 12-month period (April 2015 to March 2016) were enrolled and 619 subjects were divided into two groups: Easy colonoscopy (CS) Group (CIT ≤ 10 min); Difficult CS Group (CIT > 10 min or incomplete colonoscopy by a standard scope). The two groups were compared by subjects and colonoscopy characteristics with univariate analysis followed by multivariate logistic regression analysis. Reasons for incomplete colonoscopy were also assessed. Results: Cecal intubation rate increased from 97.9% to 99.9% (1007/1008) by the rescue scope. Main reasons for incomplete colonoscopy were tortuosity in the left hemicolon (38%), redundancy in the right hemicolon (29%), pain (19%) and fixation (14%). Moreover, 95% (20/21) of rescue colonoscopies were completed without additional sedation. Higher BMI (21 kg/m2 ≤ BMI) and intermediate visceral adipose tissue (VAT) (75 cm2 ≤ VAT

Suggested Citation

  • Kazuhiro Kashiwagi & Nagamu Inoue & Toshifumi Yoshida & Rieko Bessho & Kazuaki Yoneno & Hiroyuki Imaeda & Haruhiko Ogata & Takanori Kanai & Yoshinori Sugino & Yasushi Iwao, 2017. "The impact of visceral adipose tissue as best predictor for difficult colonoscopy and the clinical utility of a long small-caliber scope as rescue," PLOS ONE, Public Library of Science, vol. 12(12), pages 1-11, December.
    • Handle: RePEc:plo:pone00:0189817
    DOI: 10.1371/journal.pone.0189817
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