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Related Concept Videos

Lower GI Series: Barium Enema01:23

Lower GI Series: Barium Enema

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Updated: Jun 4, 2026

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
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E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

Published on: August 1, 2019

Bowel preparation for colonoscopy.

David E Beck1

  • 1Department of Colon and Rectal Surgery, Ochsner Clinic Foundation, New Orleans, Louisiana.

Clinics in Colon and Rectal Surgery
|February 3, 2011
PubMed
Summary
This summary is machine-generated.

High-quality colonoscopy relies on effective bowel cleansing. Polyethylene glycol offers a safe and effective option, particularly for patients with underlying health conditions, compared to sodium phosphate preparations.

Keywords:
Bowel preparationcolonoscopypolyethylene glycolsodium phosphate

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Area of Science:

  • Gastroenterology
  • Colorectal Surgery
  • Internal Medicine

Background:

  • Colonoscopy quality and safety depend critically on adequate bowel preparation.
  • Polyethylene glycol (PEG) and sodium phosphate (SP) are common bowel cleansing agents.
  • Patient satisfaction and cost-effectiveness are important considerations for bowel preparations.

Purpose of the Study:

  • To evaluate the efficacy and safety of polyethylene glycol and sodium phosphate for colonic cleansing.
  • To compare the risks and benefits of PEG and SP preparations.
  • To identify patient populations who may benefit from specific bowel preparation methods.

Main Methods:

  • Review of existing literature on PEG and SP bowel preparations.
  • Analysis of diagnostic accuracy, therapeutic safety, and patient satisfaction data.
  • Assessment of adverse events, including electrolyte imbalances and nephrocalcinosis.

Main Results:

  • Both PEG and SP can achieve high-quality colonic cleansing.
  • Modified PEG preparations have reduced volume.
  • SP is associated with electrolyte imbalances and nephrocalcinosis, raising clinical concerns.
  • PEG may be a safer choice for patients with renal, cardiac, or liver disease.

Conclusions:

  • Polyethylene glycol preparations offer a safe and effective method for colonic cleansing.
  • Sodium phosphate use is questioned due to potential adverse effects.
  • PEG is recommended for patients with pre-existing significant organ disease.