Comparison of the efficacy of supraglottic airway device BlockBuster versus laryngeal mask airway Supreme for airway management in patients undergoing laparoscopic surgery
Objective To compare the clinical efficacy and safety of BlockBuster supraglottic airway device(SAD)versus Supreme laryngeal mask airway(LMA)for airway management during general anesthesia in adult patients undergoing elective laparoscopic surgery.Methods A total of 118 adult patients were scheduled for elective laparoscopic surgery under general anesthesia in Beijing Friendship Hospital of Capital Medical University,Henan Provincial People's Hospital and the Fourth Hospital of Hebei Medical University from April 2016 to March 2017,and were divided into BlockBuster group(n=60)and Supreme group(n=58).Two groups were compared in terms of ventilation device insertion time,insertion success rate,positioning and function(positive ventilation test,positive suprasternal recess test,positive gastric tube insertion test,oropharyngeal leak pressure,microscopic positioning grading),rate of positions to be adjusted,gastric fluid drainage volume,ventilation mask inflation volume,surgery duration,applying duration of ventilation devices,laparoscopic pneumoperitoneum pressure,intraoperative complications(air leakage,airway obstruction,blood staining of ventilation mask,active oral bleeding,regurgitation,aspiration),and postoperative complications(sore throat,dysphagia).Results The oropharyngeal leak pressure was significantly higher in BlockBuster group[(29.5± 4.5)cmH2O]than that in Supreme group[(27.0±3.3)cmH2O](t=3.436,P＜0.001).There were no significant differences in the success rates of insertion at the first,the second and overall attempts,insertion time,positive rate of ventilation,positive rate of suprasternal recess test,positive rate of gastric tube insertion,rate of good microscopic positioning grade,rate of positions to be adjusted,gastric fluid draining volume,ventilation mask inflation volume,surgery duration,applying duration of ventilation devices,laparoscopic pneumoperitoneum pressure,air leakage,airway obstruction,blood staining of ventilation mask,active oral bleeding,regurgitation,aspiration,and postoperative sore throat and dysphagia between two groups(P＞0.05).Conclusion Both SAD BlockBuster and LMA Supreme are safe and effective for airway management in adult patients undergoing elective laparoscopic surgery,but SAD BlockBuster is superior to LMA Supreme in oropharyngeal leak tightness.
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