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Nitrous oxide does not increase vomiting after dental restorations in children
1Department of Anaesthesia, Children's Hospital of Eastern Ontario, Ottawa, Canada.
Anesthesia and Analgesia
|March 1, 1997
Summary
Nitrous oxide did not significantly change overall postoperative vomiting in children undergoing dental procedures. However, in-hospital vomiting was lower in the control group, suggesting a potential benefit of avoiding nitrous oxide.
Area of Science:
- Anesthesiology
- Pediatric Dentistry
- Pharmacology
Background:
- Postoperative nausea and vomiting (PONV) are common complications in pediatric patients.
- Nitrous oxide is frequently used as an anesthetic agent in outpatient dental procedures.
- Understanding the impact of nitrous oxide on PONV is crucial for optimizing pediatric anesthesia protocols.
Purpose of the Study:
- To evaluate the effect of nitrous oxide on the incidence of postoperative vomiting in children undergoing dental restorations.
- To compare PONV rates between children receiving nitrous oxide and those who did not.
Main Methods:
- A single-blind, randomized, controlled study involving 330 children undergoing outpatient dental restorations.
- Two groups: one received nitrous oxide during anesthesia, the other did not.
- Anesthesia induced with halothane or propofol; vomiting incidence recorded for 24 hours post-surgery.
Main Results:
- Overall postoperative vomiting incidence was similar between groups (30% control vs. 35% nitrous oxide).
- In-hospital vomiting was significantly lower in the control group (15% vs. 24%, P = 0.03).
Conclusions:
- Nitrous oxide does not significantly alter the overall incidence of postoperative vomiting after halothane anesthesia for pediatric dental restorations.
- Avoiding nitrous oxide may reduce in-hospital vomiting in this patient population.