Related Experiment Video
Updated: Aug 8, 2026

Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea
Published on: December 6, 2016
Tramadol vs morphine during adenotonsillectomy for obstructive sleep apnea in children
Bruce J Hullett1, Neil A Chambers, Elaine M Pascoe
1Department of Anaesthesia and Pain Management, Princess Margaret Hospital for Children, Perth, WA, Australia. hullettb@yahoo.com
Insights
Tramadol may be a suitable pain relief option for children after adenotonsillectomy for obstructive sleep apnea (OSA). This study found fewer respiratory events with tramadol compared to morphine, suggesting potential benefits.
Area of Science:
- Pediatric Anesthesiology
- Pharmacology
- Sleep Medicine
Background:
- Optimal pain management for pediatric adenotonsillectomy in obstructive sleep apnea (OSA) remains debated.
- Tramadol is explored as a potentially safer alternative to morphine, possibly reducing sedation and respiratory issues.
- Effective analgesia could streamline preoperative and postoperative care protocols.
Purpose of the Study:
- To compare the efficacy and safety of perioperative tramadol versus morphine in children undergoing adenotonsillectomy for OSA.
- To evaluate postoperative sedation, pain, respiratory events, and vomiting between the two analgesic groups.
Main Methods:
- A double-blinded, prospective, controlled trial randomized 66 children to receive either tramadol or morphine.
- Postoperative outcomes including sedation, pain, respiratory events, and vomiting were systematically assessed and compared.
Main Results:
- No significant differences were observed in sedation or pain scores between tramadol and morphine groups up to 6 hours postoperation.
- The tramadol group exhibited fewer episodes of postoperative desaturation (<94%), particularly in the second hour postoperation (P=0.02).
- A trend towards reduced desaturation events was noted in the tramadol group overall.
Conclusions:
- Tramadol appears to be a viable option for analgesia in pediatric adenotonsillectomy for OSA.
- Further research is warranted to fully elucidate the role of tramadol in this patient population.
Background:
Optimal analgesia for children undergoing adenotonsillectomy for obstructive sleep apnea (OSA) is controversial. Tramadol may represent a superior choice over morphine in this group, with a potential to cause less postoperative sedation and respiratory depression. Optimal perioperative analgesia may allow expensive and time-consuming preoperative work-up and postoperative monitoring to be rationalized.
Methods:
Sixty-six children were randomized to receive either perioperative tramadol or morphine in this double blinded, prospective, controlled trial. Postoperative sedation, pain, respiratory events, and vomiting were then compared between groups.
Results:
There was no significant difference between the two groups in sedation scores 1 h after arrival in recovery (P = 0.24) or at any other time up to 6 h postoperation. There was also no evidence of a difference between the groups in pain scores up to 6 h postoperation. There were fewer episodes of postoperative desaturation (<94%) in the tramadol group up to 3 h postoperation, with 26% fewer episodes in the tramadol group during the second hour postoperation (P = 0.02). Overall, there was a trend toward fewer desaturation episodes in the tramadol group.
Conclusions:
Tramadol may be a suitable drug for children undergoing adenotonsillectomy for OSA. Further work is required to investigate this.
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