A randomized controlled trial of sitting position and supine position in bronchoscopy on securing a clear airway during anesthesia / 中国内镜杂志

Objective To study the airway patency during sitting position and supine position in bronchoscopy during anesthesia. Method Forty-eight patients underwent bronchoscopy during Non-intubation anesthesia were randomly allocated to two groups.There were 24 cases in each group by observeing the airway patency and vital signs of the two groups during the procedure. Result Sitting position in bronchoscopy during anesthesia have the shorter average time to reach the carina, on securing a clear airway. The incidence of desaturation, hypertension and agitation were lower in sitting position during bronchoscopy. Conclusion Bronchoscopy anesthesia can reduce discomfort and fear, but traditional supine bronchoscopy anesthesia can cause displacement of the tongue, collapse of the upper airway in the oropharynx, soft palate and vocal cord related to gravity may seriously obstruct the upper airway, not only brings inconvenience to the inspection, but also increases the risk of airway correlation and hemodynamic instability, Sitting bronchoscopy ensure the airway patency and maintain a more stable hemodynamic state, so that sitting position in the sedation of bronchoscopy anesthesia is safer and more convenient.

Clinical application of double-lumen laryngeal mask airway in endoscopic retrograde cholangiopancreatography under total intravenous anesthesia / 中国内镜杂志

Objective To analyze the clinical application of double tube laryngeal mask airway in endoscopic retrograde cholangiopancreatography under total intravenous anesthesia. Method 60 patients between the ages of 60 and 80 years who were scheduled for elective ERCP were enrolled. The patients were randomly assigned to two groups: groups A and B. Those in group A underwent the procedure with sedation without any airway instruments and those in group B underwent procedure after sedation and airway management with double tube laryngeal mask airway. Intraoperative and postoperative vital signs as well as the satisfaction of the endoscopists were recorded. Result The time of successful insertion of esophagus in group B was shorter than that in group A, and the visual analogue score of pain in group B was lower than that in group A, and the satisfaction degree of endoscopic physicians in group B was higher than that in group A. The incidence of desaturation during ERCP was significantly higher in group A than in group B. Conclusion In conclusion, ERCP should be performed under optimal conditions to avoid the occurrence of unwanted complications, such as aspiration-related disorders. Therefore, according to the structural properties of double tube laryngeal mask airway, sedation anesthesia application with double tube laryngeal mask airway in ERCP will be safer, more comfortable, and more effective.