A critical evaluation and a search for the ideal colonoscopic preparation

Manish Arora, Viplove Senadhi, Deepika Arora, Joyce Weinstock, Ethan Dubin, Patrick I. Okolo, Sudhir K. Dutta

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Objectives: The aim of this study was to evaluate the efficacy of various bowel preparations in accomplishing colonic cleansing for optimal mucosal visualization during colonoscopy. Methods: The study included a cohort of 980 patients who underwent colonoscopy at our endoscopy center within the last 3. years. All of the study patients were subdivided into four groups. Each group included 245 patients, all receiving a different type of bowel preparation. The bowel preparations used in this study included: magnesium citrate (Group I), a combination of oral sodium phosphate (fleets) and powder PEG-3350 (Group II), powder polyethylene glycol-3350 (PEG-3350 powder for Group III), and oral sodium phosphate (fleets for Group IV). A Colon Prep Score (CPS) was devised to compare the quality of the different bowel preparations used. The colonoscopy results from all of these patients were tabulated and analyzed statistically and expressed as mean ± 1 standard deviation. Statistical analysis was performed using a one way ANOVA with Holm-Sidak method for intergroup analysis. Results: Group I patients received magnesium citrate and had a mean CPS ± 1SD of 3.11 ± 0.91. Group II patients (fleets and powder PEG-3350 combination) achieved a CPS of 3.37 ± 1.16. The patients in Group III (powder PEG-3350) actually showed the highest mean CPS of 3.44 ± 1.12. Group IV patients who used oral sodium phosphate alone reached a mean CPS of 3.23 ± 1.01. Group III patients (powder PEG-3350 only) demonstrated a statistically higher CPS (P< 0.0006) in colon cleansing as compared to Group I patients (magnesium citrate). Similarly, Group II patients (oral sodium phosphate and powder PEG-3350 combination) also showed improved colon cleansing statistically (P< 0.006) as compared to Group I patients (magnesium citrate). Conclusions: Overall, all four colon preparations achieved an average CPS greater than 3.0 indicating clinically adequate colonic cleansing. However, powder PEG-3350 alone and in combination with oral sodium phosphate was observed to be statistically superior to magnesium citrate, when used for colon preparation for colonoscopy.

Original languageEnglish (US)
Pages (from-to)200-206
Number of pages7
JournalClinics and Research in Hepatology and Gastroenterology
Volume37
Issue number2
DOIs
StatePublished - Apr 2013
Externally publishedYes

ASJC Scopus subject areas

  • Hepatology
  • Gastroenterology

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