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Hernandez PV, Horsley-Silva JL, Snyder DL, Baffy N, Atia M, Koepke L, Buras MR, Lim ES, Ruff K, Umar SB, Islam S, Ramirez FC. Effect of bowel preparation volume in inpatient colonoscopy. Results of a prospective, randomized, comparative pilot study. BMC Gastroenterol 2020; 20:227. [PMID: 32660521 PMCID: PMC7359276 DOI: 10.1186/s12876-020-01373-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 07/07/2020] [Indexed: 02/06/2023] Open
Abstract
Background Inpatient status has been shown to be a predictor of poor bowel preparation for colonoscopy; however, the optimal bowel preparation regimen for hospitalized patients is unknown. Our aim was to compare the efficacy of bowel preparation volume size in hospitalized patients undergoing inpatient colonoscopy. Methods This prospective, single blinded (endoscopist), randomized controlled trial was conducted as a pilot study at a tertiary referral medical center. Hospitalized patients undergoing inpatient colonoscopy were assigned randomly to receive a high, medium, or low-volume preparation. Data collection included colon preparation quality, based on the Boston Bowel Preparation Scale, and a questionnaire given to all subjects evaluating the ability to completely finish bowel preparation and adverse effects (unpleasant taste, nausea, and vomiting). Results Twenty-five colonoscopies were performed in 25 subjects. Patients who received low-volume preparation averaged a higher mean total BBPS (7.4, SD 1.62), in comparison to patients who received high-volume (7.0, SD 1.41) and medium-volume prep (6.9, SD 1.55), P = 0.77. When evaluating taste a higher score meant worse taste. The low-volume group scored unpleasant taste as 0.6 (0.74), while the high-volume group gave unpleasant taste a score of 2.2 (0.97) and the medium-volume group gave a score of 2.1 (1.36), P < 0.01. Conclusion In this pilot study we found that low-volume colon preparation may be preferred in the inpatient setting due its better rate of tolerability and comparable bowel cleanliness when compared to larger volume preparation, although we cannot overreach any definitive conclusion. Further more robust studies are required to confirm these findings. Trial registration The Affect of Low-Volume Bowel Preparation for Hospitalized Patients Colonoscopies. Trial registration: NCT01978509 (terminated). Retrospectively registered on November 07, 2013.
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Affiliation(s)
- Patricia V Hernandez
- Department of Gastroenterology and Hepatology, Mayo Clinic Arizona, 13400 E Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Jennifer L Horsley-Silva
- Department of Gastroenterology and Hepatology, Mayo Clinic Arizona, 13400 E Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Diana L Snyder
- Department of Gastroenterology and Hepatology, Mayo Clinic Arizona, 13400 E Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Noemi Baffy
- Department of Gastroenterology and Hepatology, Mayo Clinic Arizona, 13400 E Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Mary Atia
- Department of Gastroenterology and Hepatology, Mayo Clinic Arizona, 13400 E Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Laura Koepke
- Department of Gastroenterology and Hepatology, Mayo Clinic Arizona, 13400 E Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Matthew R Buras
- Department of Health Sciences Research, Division of Biomedical Statistics and Informatics, Mayo Clinic Arizona, Scottsdale, USA
| | - Elisabeth S Lim
- Department of Health Sciences Research, Division of Biomedical Statistics and Informatics, Mayo Clinic Arizona, Scottsdale, USA
| | - Kevin Ruff
- Department of Gastroenterology and Hepatology, Mayo Clinic Arizona, 13400 E Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Sarah B Umar
- Department of Gastroenterology and Hepatology, Mayo Clinic Arizona, 13400 E Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Sameer Islam
- Department of Gastroenterology and Hepatology, Mayo Clinic Arizona, 13400 E Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Francisco C Ramirez
- Department of Gastroenterology and Hepatology, Mayo Clinic Arizona, 13400 E Shea Blvd, Scottsdale, AZ, 85259, USA.
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