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A Systematic Review of Patient-Oriented Educational Interventions To Improve Quality of Pre-Colonoscopy Bowel Preparation.

Sondhi AR, Kurlander JE, Waljee AK, Menees SB, Schoenfeld PS, Saini SD. A Systematic Review of Patient-Oriented Educational Interventions To Improve Quality of Pre-Colonoscopy Bowel Preparation. Poster session presented at: Digestive Disease Week Annual Conference; 2015 May 17; Washington, DC.




Abstract:

A Systematic Review of Patient-Oriented Educational Interventions To Improve Quality of Pre-Colonoscopy Bowel Preparation View Session Detail Presentation Number: Su1100 Author Block: Arjun R. Sondhi3 , Jacob E. Kurlander2 , Akbar K. Waljee1,2 , Stacy B. Menees2 , Philip S. Schoenfeld1,2 , Sameer D. Saini1,2 1 HSRandD Center for Clinical Management Research, VA Ann Arbor Healthcare System, Ann Arbor, Michigan, United States; 2 Gastroenterology, University of Michigan, Ann Arbor, Michigan, United States; 3 Internal Medicine, University of Michigan, Ann Arbor, Michigan, United States Abstract: Background: Inadequate bowel preparation before colonoscopy is common, resulting in clinical and economic harms. The US Multi-Society Taskforce advocates use of both written and oral instructions for patients before colonoscopy. However, little is known about the most effective method of patient education. This systematic review aims to assess the effectiveness of patient-oriented educational interventions in improving the quality of bowel preparation. Methods: Studies were identified from MEDLINE, EMBASE, Cochrane, CINAHL, and Web of Science. Two investigators evaluated each abstract for the following inclusion criteria: evaluation of a patient-oriented educational intervention, prospective design, and measurement of bowel preparation quality with a validated scale. Included studies underwent duplicate data extraction by 2 investigators using a standardized approach. Extracted data included the method of intervention, timing of intervention, staffing of intervention, purgative used, bowel preparation scale used, and bowel preparation quality. Methodological quality of studies was assessed using a modified Downs and Black instrument. Due to significant heterogeneity in assessment of outcomes, meta-analysis was not performed. Results: 1080 unique published studies were identified, and 7 of these studies met inclusion criteria. Five studies were randomized controlled trials, and 2 were quasi-experimental. The number of patients analyzed ranged from 99 to 969. 3 studies were performed in the US, 2 in Taiwan, 1 in China, and 1 in Korea. 3 interventions used paper-based tools (1 cartoon, 2 illustrated brochures), 2 interventions used videos, 1 intervention used face-to-face education, and 1 used telephone calls. In 6 of the 7 studies, the educational intervention was effective in improving bowel preparation quality, with an absolute increase in bowel preparation adequacy ranging from 2% to 32%. No study accounted for all significant confounders of bowel preparation quality (i.e. constipation, diabetes, opiates, socioeconomic status, literacy rate, age, gender, BMI). Validity scores ranged from 12-23, with a median value of 18, indicating fair methodological quality. Conclusions: Patient-oriented educational interventions significantly improve bowel preparation quality, but existing studies are of variable quality and may have limited generalizability. Gastroenterologists should work internally and with referring practices to ensure that patients receive evidence-based preparation education. Future studies should focus on comparative effectiveness and cost-effectiveness of educational interventions





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