Key result
Administration of oral rehydration solution until two hours before abdominal surgery significantly reduced mean gastric residual volume compared to overnight fasting (31.4 ml vs 54.6 ml, p=0.001).
Why the study?
Overnight fasting causes discomfort and deleterious effects, and while fasting until 2 to 3 hours before surgery is common globally, overnight fasting remains routine practice in Bangladesh.
Does oral rehydration solution administration until two hours before surgery reduce gastric residual volume and improve postoperative outcomes compared to overnight fasting in patients undergoing abdominal surgery under general anaesthesia?
Population
100 ASA class I and II patients aged above 18 scheduled for abdominal surgery under GA
Comparison
Oral rehydration solution until 2 hours preoperatively vs overnight fasting for 10 hours
Design
Randomized controlled trial
Authors
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May support oral rehydration until 2 h preoperatively; leaves open effects on aspiration or outcomes in larger trials.
RCT (n=100)
Computer generated list
No
Does oral rehydration solution administration until two hours before surgery reduce gastric residual volume and improve postoperative outcomes compared to overnight fasting in patients undergoing abdominal surgery under general anaesthesia?
Absolute Event Rate: 31.4% vs 54.6%
p-value: p=0.001
Administering oral rehydration solution up to two hours before abdominal surgery is safe regarding gastric residual volume and improves patient comfort and recovery compared to overnight fasting.
Islam et al. (2023) conducted an RCT in Elective abdominal surgery (n=100). Oral Rehydration Solution (ORS) vs. Overnight fasting for 10 hours was evaluated on Mean gastric residual volume (ml) immediately after anaesthesia induction (p=0.001). Administration of oral rehydration solution until two hours before abdominal surgery significantly reduced mean gastric residual volume compared to overnight fasting (31.4 ml vs 54.6 ml, p=0.001).
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