Objective To observe the effect of pharyngeal surface anesthesia on nasogastric tube intubation. 目的:探讨咽部表面麻醉行鼻胃管置入的效果。
Two hundred and three subjects consented to participate in this study underwent gastroscopy. Relative Risks ( RR) of patients 'discomfort in pharyngeal anesthesia were calculated, anxiety and other potential confounding factors by using logistic regression analysis. 在取得所有受试者的知情同意下,采用Logistic回归分析咽部麻醉、焦虑和其他潜在的相关因素与患者不适程度的相对危险度(RR)。