Result: The time of insert gastric tube delay and sum gastric lavage in test group were shorter than in control group,the adverse reaction and complication in test group were lower than in control group.

• 两组置入胃管所需时间、洗胃耽搁时间、总洗胃时间比较,观察组比对照组缩短,不良反应、并发症发生情况,观察组比对照组降低。