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Polymer-based oral rehydration solution for treating acute watery diarrhoea
Germana V Gregorio1, Maria Liza M Gonzales, Leonila F Dans
1Department of Pediatrics, College of Medicine-Philippine General Hospital, University of the Philippines, Taft Avenue, Manila, National Capital Region, Philippines, 1000. germana1@hotmail.com
Glucose polymer-based oral rehydration salts (ORS) show benefits over standard glucose-based ORS for acute watery diarrhoea, reducing unscheduled intravenous infusions. Further trials are needed to confirm superiority over the current standard ORS = 270.
Area of Science:
- Gastroenterology
- Pediatrics
- Infectious Diseases
Background:
- Acute diarrhoea is a major cause of child mortality in low-income countries.
- Glucose-based oral rehydration salts (ORS) are crucial for fluid replacement and preventing dehydration.
- WHO recommends lower osmolarity ORS (ORS = 270) over higher osmolarity formulations (ORS >/= 310).
Purpose of the Study:
- To compare the efficacy of polymer-based ORS versus glucose-based ORS in treating acute watery diarrhoea.
Main Methods:
- Systematic review and meta-analysis of randomized controlled trials.
- Searched multiple databases including Cochrane, MEDLINE, EMBASE, and LILACS.
- Included trials comparing polymer-based and glucose-based ORS in patients with acute watery diarrhoea.
Main Results:
- Thirty-four trials with 4214 participants were included.
- Polymer-based ORS led to fewer unscheduled intravenous infusions compared to glucose-based ORS (RR 0.75, 95% CI 0.59 to 0.95).
- Specific benefits observed included shorter diarrhoea duration in cholera patients and reduced stool output with wheat-based ORS.
Conclusions:
- Polymer-based ORS demonstrates advantages over ORS >/= 310 for all-cause diarrhoea and cholera.
- While favored over ORS = 270, the analysis was underpowered.
- Further research comparing polymer-based ORS against the current standard (ORS = 270) is recommended.
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