The etiologies and clinical characteristics of 169 cases of pleural effusion

Objective To investigate the etiologies and clinical characteristics of pleural effusion.Methods 169 pleural effusion patients were analyzed.Results The etiology of 169 cases of pleural effusion were as follows:tuberculous pleurisy in 89 cases(52.66%),malignancy in 35 cases(20.71%),heart failure in 18 cases(10.65%),pneumonia or lung infection in 17 cases(10.06%),the 10 cases of others.Tuberculous pleural effusion occurred mainly in patients under 40 years of age(48.3%),increase in elderly patients,adenosine deaminase sensitivity was 79.78%;malignant pleural effusion occurred mainly in patients over 60 years of age(65.7%),some under the age of 40 less(5.7%).Malignant pleural effusion tumor cells were found in 26 cases,the positive rate of 73%.Conclusion The major etiology of pleural effusion is tuberculosis and cancer,tuberculosis is more common in younger patients and malignant tumors mainly in elderly patients.Comprehensive analysis is critical to determine the etiology.