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Related Experiment Videos

Can visual distraction decrease the dose of patient-controlled sedation required during colonoscopy? A prospective

D W H Lee1, A C W Chan, S K H Wong

  • 1Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.

Endoscopy
|February 27, 2004
PubMed
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Adding audio distraction to visual aids significantly reduced sedative medication and pain during colonoscopy. This audiovisual approach also improved patient satisfaction and willingness to repeat the procedure.

Area of Science:

  • Gastroenterology
  • Anesthesiology
  • Patient Experience

Background:

  • Previous studies showed audio distraction reduces sedative needs and improves patient satisfaction during colonoscopy.
  • This study investigated visual distraction and combined audiovisual distraction for sedation reduction.

Purpose of the Study:

  • To determine if visual distraction alone decreases sedative requirements during colonoscopy.
  • To assess if combined audio-visual distraction offers additive benefits over visual distraction alone.
  • To evaluate the impact of distraction methods on patient satisfaction and recovery.

Main Methods:

  • 165 patients undergoing elective colonoscopy were randomized into three groups: visual distraction with patient-controlled sedation (PCS), audiovisual distraction with PCS, or PCS alone.

Related Experiment Videos

  • Sedation involved a propofol and alfentanil mixture delivered via PCA pump.
  • Outcomes measured included sedative dose, complications, recovery time, pain, satisfaction, and willingness to repeat the sedation method.

    • Main Results:

    • Audiovisual distraction significantly reduced propofol dose (0.81 mg/kg) compared to visual distraction (1.17 mg/kg) and PCS alone (1.18 mg/kg).
    • Pain scores were significantly lower in the audiovisual group (5.1) versus visual (6.2) and PCS alone (7.0).
    • Patient satisfaction scores were higher in both visual (8.2) and audiovisual (8.4) groups compared to PCS alone (6.1).

    Conclusions:

    • Visual distraction alone did not reduce sedative requirements for colonoscopy.
    • Combining audio and visual distraction significantly decreased sedative dose and pain scores.
    • Audiovisual distraction may enhance patient acceptance and satisfaction with colonoscopy procedures.