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Risk factors for lung infection in stroke patients: a meta-analysis of observational studies
Mei-zhen Yuan1, Feng Li1, Xin Tian1
1a 1 Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
Background:
The aims of this meta-analysis were to evaluate the risk factors associated with lung infections in stroke patients and to provide evidence for prevention decisions.
Methods:
We searched the Embase, PubMed, EBSCO and Web of Science databases to collect studies from January 2000 to July 2015.
Results:
The meta-analysis identified 23 risk factors for lung infections in stroke patients, and the top 5, ranked by order according to odds ratio values (95% confidence interval), were as follows: multiple vertebrobasilar stroke, 22.99 (4.04, 130.83); National Institutes of Health Stroke Scale score >15 points, 14.63 (8.54, 25.08); mechanical ventilation, 10.20 (7.15, 14.57); nasogastric tube use, 9.87 (6.21, 15.70); and dysphagia, 7.50 (2.60, 21.65).
Conclusion:
Preventive measures should be taken against these risk factors to reduce the incidence of lung infection.
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