Background: Submental intubation is commonly used during general anesthesia for maxillofacial surgeries as it provides a safe unrestricted surgical access compared to tracheostomy. During submental intubation, soft tissues and blood clots can become lodged in the endotracheal tube. To overcome this problem, we used a laparoscopic trocar.Case: A 52-year-old man with maxillofacial injury was scheduled to undergo an open reduction and internal fixation. We performed submental intubation using laparoscopic trocar, which created sufficient space for the insertion of the endotracheal tube. Unlike conventional methods, our method did not require any blunt dissection and caused significantly less soft tissue damage and required significantly less time.Conclusions: Submental intubation with laparoscopic trocar is a one-step method and is quick and easy-to-perform technique with less complications.
Background: Alpha-2 agonists have sedative, analgesic, and opioid-sparing effects. Moreover, intraoperative or postoperative systemic administration of alpha-2 adrenergic agonists is known to reduce postoperative pain and opioid consumption. This meta-analysis investigated whether preoperative administration of alpha-2 agonists can affect postoperative pain and opioid consumption.Methods: We searched the MEDLINE, EMBASE, Cochrane Library (CENTRAL), KoreaMed, and KMbase databases through March 2019 to identify relevant randomized controlled trials (RCTs) on the effect of preoperative systemic administration of alpha-2 agonists on postoperative pain and opioid consumption. We conducted a meta-analysis according to the Cochrane Collaboration guidelines. Standardized mean differences (SMDs) of postoperative pain intensity or dose of opioid consumption in the alpha-2 agonist group were extracted and combined using a random-effect model and were compared to those of the control group.Results: Eleven RCTs involving 748 participants were included in this meta-analysis. Preoperative administration of systemic alpha-2 agonists significantly reduced cumulative opioid consumption up to 6 h (SMD, –0.52; 95% confidence interval [–0.90 to –0.14]) and 24 h (SMD, –0.68 [–1.27 to –0.09]) after surgery. Moreover, preoperative administration of alpha-2 agonists significantly reduced postoperative pain intensity at 6 h (SMD, –0.50 [–0.78 to –0.21]) and 24 h (SMD, –0.44 [–0.86 to –0.03]).Conclusions: In this meta-analysis, high degree of heterogeneity limits the preoperative administration of alpha-2 agonists in reducing postoperative opioid consumption and pain intensity. Future powered large RCTs are required to increase the certainty of evidence on the effect in reducing postoperative opioid consumption and pain intensity.
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