A novel approach for preventing recurrence of malign pleural effusion: early phase pleurodesis
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Submission date: 2017-08-18
Final revision date: 2017-11-16
Acceptance date: 2017-11-28
Online publication date: 2018-01-04
Publication date: 2018-10-31
Arch Med Sci 2018;14(6):1404-1415
The effective control of malignant pleural effusion (MPE) is of paramount importance in the treatment of patients with disseminated cancer. In this study, we compared two different approaches (early pleurodesis versus late pleurodesis) to MPE.

Material and methods:
Patients (188 cases) whose primary tumor type was known and who were confirmed to have MPE, were included in the study and were separated into two groups. One group consisted of patients who were asymptomatic and who underwent early phase pleurodesis (group I, n = 79). The other group (group II, n = 109) was composed of patients who were symptomatic and whose pleurodesis was performed later. In all cases, pleural effusion was evaluated by means of direct radiography. Computed tomography was performed with the goal of confirming the parenchymal or mediastinal lesions accompanying the pleural fluid.

The rate of complete success in group I cases was observed to be higher, while the rate of recurrence was lower (p = 0.001 and p = 0.002, respectively) than group II. In multiple logistic regression analysis, co-morbidities and the group that patient belong were found to be significant in terms of pleurodesis success (p = 0.02 and p = 0.03). There was a significant difference in survival time between group I and group II, with group I exhibiting longer average survival time (log rank test p < 0.001).

We observed that the success rate was lower and the rate of recurrence higher in the late pleurodesis group, whose members already had greater volumes of pleural effusion.

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