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Are Pleural Fluid Parameters Related to the Development of Residual Pleural Thickening in Tuberculosis? FREE TO VIEW

Alicia de Pablo; Victoria Villena; José Echave-Sustaeta; Angel López Encuentra
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From the Respiratory Disease Service, Hospital Universitario 12 de Octubre, Madrid, Spain

1997 by the American College of Chest Physicians

Chest. 1997;112(5):1293-1297. doi:10.1378/chest.112.5.1293
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Study objective: Identification of predictive factors for the development of residual pleural thickening (RPT).

Design: Retrospective study.

Location: A 1,500-bed tertiary hospital.

Patients: Patients with pleural tuberculosis diagnosed between December 1991 and February 1995 in our Respiratory Disease Service.

Interventions: The clinical and radiologic characteristics, and measurements of microbiological and biochemical parameters and markers in pleural fluid were studied. RPT was defined in a posteroanterior chest radiograph as a pleural space of >2 mm measured in the lower lateral chest at the level of an imaginary line intersecting the diaphragmatic dome.

Measurements and results: In 56 patients studied, 11 (19.6%) had RPT 10 mm and 24 (42.8%) had RPT >2 mm. The pleural fluid of patients with RPT 10 mm had a significantly lower glucose concentration and pH and higher lysozyme and tumor necrosis factor-α levels than the other patients. The pleural fluid of patients with RPT >2 mm showed no significant differences.

Conclusions: The development of RPT 10 mm was related to higher concentrations of lysozyme and tumor necrosis factor-α and lower glucose concentration and pH in pleural fluid compared with development of lower measurements of RPT.




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