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Related Experiment Video

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A prospective randomised study comparing double-balloon colonoscopy and conventional colonoscopy in pre-defined

Edward J Despott1, Alberto Murino1, Masanao Nakamura2

  • 1Royal Free Unit for Endoscopy and Centre for Gastroenterology, UCL Institute for Liver and Digestive Health, Royal Free NHS Foundation Trust, London, United Kingdom; Wolfson Unit for Endoscopy, St Mark's Hospital and Academic Institute, Imperial College London, London, United Kingdom.

Digestive and Liver Disease : Official Journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver
|March 19, 2017
PubMed
Summary

Double-balloon colonoscopy (DBC) improves colonoscopy completion rates and patient comfort in technically difficult cases compared to conventional colonoscopy (CC). While DBC offers a more comfortable experience, the time to cecal intubation remains similar for both procedures.

Keywords:
Caecal intubationDifficult colonoscopyDouble-balloon colonoscopy

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Area of Science:

  • Gastroenterology
  • Medical Devices
  • Endoscopy

Background:

  • Technically difficult colonoscopy is linked to incomplete procedures, patient discomfort, and extended examination times.
  • Double-balloon colonoscopy (DBC) presents a potential solution for improving outcomes in challenging colonoscopies.
  • Conventional colonoscopy (CC) often faces limitations in achieving complete visualization in difficult cases.

Purpose of the Study:

  • To compare the efficacy and patient experience of DBC versus CC in technically difficult colonoscopies.
  • To evaluate the primary outcome of time to cecal intubation in TD colonoscopy using both techniques.
  • To assess secondary outcomes including procedure completion, patient comfort, and recovery time.

Main Methods:

  • A prospective, randomized study was conducted comparing DBC and CC for technically difficult colonoscopies.
  • Patients were assessed for predicted difficulty using a validated scoring system and then randomized.
  • Key metrics recorded included pain, sedation, completion rates, intubation time, and patient satisfaction.

Main Results:

  • Double-balloon colonoscopy (DBC) resulted in significantly higher colonoscopy completion rates (22/22) compared to conventional colonoscopy (CC) (9/22).
  • Patients undergoing DBC reported significantly lower levels of discomfort, pain, and reduced recovery time.
  • The mean time to achieve cecal intubation was comparable between the DBC and CC groups.

Conclusions:

  • Double-balloon colonoscopy (DBC) effectively facilitates complete colonoscopy in technically difficult cases.
  • DBC offers a more comfortable patient experience with reduced pain and faster recovery compared to CC.
  • While improving completion and comfort, DBC does not significantly alter the time required for cecal intubation in technically difficult colonoscopies.