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- Title
Enhancing bowel preparation quality and tolerability in a low health literacy population in Western China: a multicenter randomized trial.
- Authors
Zhao, Xiaxia; Yang, Lihong; Hu, Xiaoyu; Kong, Guixiang; Huang, Xiaojun
- Abstract
Background and aims: Insufficient bowel preparation (BP) presents substantial challenges to the effectiveness of outpatient colonoscopy for colorectal cancer screening, particularly within populations characterized by low health literacy and poor adherence. Methods: We conducted a prospective, randomized, blinded, endoscopic controlled study involving 474 colonoscopy outpatients aged 18–80 years hailing from a low health literacy population with convenient access to WeChat. These patients were subsequently randomized into three groups: the control group, WeChat group, and the automatic reminder group (ARG). All people were administered 3 L of polyethylene glycol. The Boston Bowel Preparation Scale (BBPS) score of 6 or a segmental score of 2 was used as the primary outcome to evaluate BP quality. Secondary outcomes included polyp detection rate (PDR) and adverse events, etc. Results: Our findings revealed that both the WeChat group (n = 158) and ARG (n = 158) exhibited significantly higher rates of adequate BP compared to the control group (n = 158) (WeChat vs. control, 79.1% vs. 61.4%; ARG vs. control, 74.7% vs. 61.4%; p < 0.001). Furthermore, these educationally reinforced groups displayed improved BP compliance (p < 0.05). According to the Hospital Anxiety and Depression Scale (HADS), patients in the reinforced education groups exhibited lower overall anxiety levels (p = 0.001) and experienced fewer adverse reactions (p = 0.019). Compared to the control group, the PDR in the right hemi-colon was significantly greater in the WeChat group (11.4%) (2.5%), and a similar trend was observed in the ARG (7.6%). Additionally, individuals in the WeChat group reported higher levels of satisfaction with their colonoscopy experience (p = 0.043). In a multivariate analysis, adjusting for potential confounding factors, WeChat-based re-education ([OR] 1.496, 95% CI 1.154–1.939; p = 0.002)) emerged as a protective factor for achieving adequate BP. Conclusion: Enhanced education through WeChat can improve BP quality, and ARG applies equally to low health literacy populations.
- Subjects
CHINA; HEALTH literacy; POPULATION of China; POPULATION health; PATIENT education; POLYETHYLENE glycol; VIRTUAL colonoscopy; BOWEL preparation (Procedure)
- Publication
Journal of Cancer Research & Clinical Oncology, 2023, Vol 149, Issue 20, p17957
- ISSN
0171-5216
- Publication type
Article
- DOI
10.1007/s00432-023-05493-5