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Comparison of two supplemental oxygen methods during gastroscopy with propofol mono-sedation in patients with a normal body mass index

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World Journal of Gastroenterology 2020年第43期26卷 6867-6879页

作者： Liu-Jia-Zi Shao Yi Zou Fu-Kun Liu Lei Wan Shao-Hua Liu Fang-Xiao Hong Fu-Shan Xue Department of Anesthesiology Beijing Friendship HospitalCapital Medical UniversityBeijing 100050China

BACKGROUND Hypoxemia due to respiratory depression and airway obstruction during upper gastrointestinal endoscopy with sedation is a common *** wei nasal jet tube(WNJT)is a new nasopharyngeal airway with the ability to provide supraglottic jet ventilation and oxygen insufflation via its built-in wall *** available evidence indicates that with a low oxygen flow,compared with nasal cannula,the WNJT does not decrease the occurrence of hypoxemia during upper gastrointestinal endoscopy with propofol *** date,there has been no study assessing the performance of WNJT for supplemental oxygen during upper gastrointestinal endoscopy with sedation when a moderate oxygen flow is *** To determine whether the WNJT performs better than the nasal prongs for the prevention of hypoxemia during gastroscopy with propofol mono-sedation when a moderate oxygen flow is provided in patients with a normal body mass *** This study was performed in 291 patients undergoing elective gastroscopy with propofol *** were randomized into one of two groups to receive either the WNJT(WNJT group,n=147)or the nasal cannula(nasal cannula group,n=144)for supplemental oxygen at a 5-L/min flow during *** lowest SpO2 during gastroscopy was *** primary endpoint was the incidence of hypoxemia or severe hypoxemia during *** The total incidence of hypoxemia and severe hypoxemia during gastroscopy was significantly decreased in the WNJT group compared with the nasal cannula group(P=0.000).The lowest median SpO2 during gastroscopy was significantly higher(98%;interquartile range,97-99)in the WNJT group than in the nasal cannula group(96%;interquartile range,93-98).Epistaxis by device insertion in the WNJT group occurred in 7 patients but stopped naturally without any *** two groups were comparable in terms of the satisfaction of physicians,anesthetists and *** With a moderate oxygen flow,the WNJT

关键词： Gastroscopy Hypoxemia wei nasal jet tube nasal cannula Supplemental oxygen Adverse outcomes

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