Longitudinal Follow up of Patients With Pleural Effusion
Longitudinal Follow up of Patients With Pleural Effusion
This study aims to evaluate the clinical course of patients diagnosed with pleural effusion
 and determine various clinical factors and biomarkers associated that can predict the
 diagnosis and clinical outcome and prognosis of patients with pleural effusion due to
 specific causes.
Patients who presented to Seoul National University Bundang Hospital with pleural effusion
 would be recruited. Pleural fluid and blood samples would be collected. All patients will
 receive routine diagnostic procedures and medical care and treatments according to the
 diagnosis; the original cancer if diagnosed with malignant effusion, and managements for
 pleural effusion control. Patients would be observed for the clinical course and prognosis up
 to 3 years without any interventions caused by this study.
Inclusion Criteria:

 -  Patients presented with pleural effusion

 -  Patients who undergo thoracentesis and fluid analysis for diagnosis and management

 Exclusion Criteria:

 -  Patients who refuse to be enrolled