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Progress in Modern Biomedicine ; (24): 5348-5353, 2017.
Article in Chinese | WPRIM | ID: wpr-615102

ABSTRACT

Objective:To investigate the pathogenic bacteria distribution and risk factors of pulmonary infection after tracheotomy in patients with stroke coma,and to put forward preventive measures.Methods:96 patients with stroke coma from January 2016 to February 2017 in our hospital were retrospectively analyzed.The incidence of pulmonary infection and distribution of pathogenic bacteria of patients with stroke coma were analyzed.At the same time,the risk factors of pulmonary infection were analyzed by single factor and multiple factors logistic regression analysis,and corresponding preventive measures were put forward.Results:The incidence of pulmonary infection after tracheotomy in 96 patients with stroke coma was 48.96% (47/96).A total of 104 pathogens were isolated and cultured,including gram negative bacteria 69 strains (66.35%),gram positive bacteria 20 strains (19.23%) and fungus 15 strains (14.42%).Single factor regression analysis results showed that pulmonary infection after tracheotomy in patients with stroke coma was closely related with age,basic diseases,time of tracheotomy,and bed time,use of broad-spectrum antibiotics,smoking history,artificial airway,times of sputum suction and inhalation(P<0.05),and it was not related to the patient's gender,weight,stroke type (P>0.05).Multivariate logistic regression analysis showed that age 45 years old,complicated with basic disease,time oftracheotomy 5 d,use of broad-spectrum antibiotics,smoking history and the establishment of artificial airway were risk factors of pulmonary infection after tmcheotomy in patients with stroke coma (P<0.05).ROC analysis results showed that the critical point (threshold C) oftmcheotomy time was 4.3 days,and the sensitivity and specificity were 0.851 and 0.918 respectively.Conclusion:The main pathogenic bacteria of pulmonary infection after tracheotomy in patients with stroke coma is gram-negative bacteria,age 45 years old,complicated with basic disease,time of tmcheotomy 5d,use of broad-spectrum antibiotics,smoking history and the establishment of artificial airway can lead to pulmonary infection after tracheotomy in patients with stroke coma,and the risk of pulmonary infection in patients with stroke coma will increase considerably after the time of tracheotomy for more than 4.3 days.Targeted measures should be taken to reduce the risk of pulmonary infection according to pathogenic features and risk factors.

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