Abstract
Objective To study the clinical value of closed endotracheal suction and open endotracheal suction in patients undergoing mechanical ventilation and the incidence of pulmonary infection after endotracheal suction, so as to provide guidance for effective methods of endotracheal suction in clinic, and to provide reference for prevention and treatment of pulmonary infection. Methods A total of 182 patients undergoing invasive mechanical ventilation in ICU from Jan. 2016 to Dec. 2016 were enrolled in the study. 89 cases in the experimental group were treated with closed endotracheal suction, while 93 cases in the control group were treated with open endotracheal suction. The positive rate and the pathogen isolation rate of sputum samples, and the incidence of pulmonary infection after endotracheal suction were compared between the two groups. The statistical analysis of data was performed with the SPSS20.0 software. Results A total of 367 positive bacterial strains were cultured from 617 specimens of 182 patients, with the positive rate of 59.48%; and the positive rate of the experimental group (53.74%) was lower than that of the control group (64.71%) (P<0.05). The positive bacterial strains were mainly Acinetobacter baumannii, Pseudomonas aeruginosa, Klebsiella pneumoniae, and Candida albicans. The incidence of pulmonary infection of the control group after sputum suction (24.73%) was higher than that of the experimental group (12.36%) (P<0.05). Conclusion The positive rate of sputum samples of patients with mechanical ventilation undergoing closed endotracheal suction was lower than that of patients undergoing open endotracheal suction, and the incidence of pulmonary infection after sputum suction was lower, closed endotracheal suction had better clinical application value. Key words: Closed endotracheal suction; Open endotracheal suction; Pulmonary infection; Effect evaluation; Experience
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