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Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion
Published on: November 10, 2023
Definitive Pleural Interventions and Survival in Malignant Pleural Effusion: Rethinking Pleurodesis Beyond Palliation
Pedro M Ferreira1, David Coelho2,3, Cláudia Freitas2,3
1Department of Pulmonology, Instituto Português de Oncologia do Porto, Rua Dr. António Bernardino de Almeida 865, Porto, Portugal.
Journal of Bronchology & Interventional Pulmonology
|June 17, 2026
Summary
Successful pleurodesis for malignant pleural effusions (MPE) significantly improves survival, not just symptom palliation. This finding holds true regardless of patient performance status or cancer treatments, highlighting its critical role in MPE management.
Area of Science:
- Pulmonology
- Oncology
- Thoracic Surgery
Background:
- Malignant pleural effusions (MPE) are linked to poor prognosis and symptom management.
- Current guidelines recommend interventions like thoracentesis, pleurodesis, or indwelling pleural catheters (IPC) based on survival estimates.
- Prognosis estimation in MPE is often inaccurate, and MPE's role in overall cancer disease is increasingly recognized.
Purpose of the Study:
- To evaluate the impact of definitive pleural interventions on survival in malignant pleural effusions.
- To determine if successful pleurodesis is an independent predictor of improved overall survival (OS).
- To compare outcomes of different pleural intervention modalities.
Main Methods:
- Retrospective cohort study of 783 MPE patients from 2012-2022.
- Analysis of definitive pleural interventions: talc poudrage (medical thoracoscopy), talc slurry (chest tube drainage), and IPC placement.
- Multivariate regression analysis adjusting for clinical and treatment variables.
Main Results:
- 32.4% of MPE patients received definitive treatment.
- Overall relapse rate was 52.8%, with significant differences between modalities (P<0.001).
- Successful pleurodesis was an independent predictor of improved OS (P<0.001), with over 3-times higher survival in this subgroup.
Conclusions:
- Definitive pleural interventions offer benefits beyond symptom palliation in MPE.
- Successful pleurodesis is a significant predictor of improved survival in MPE patients.
- The positive impact of successful pleurodesis is independent of patient performance status and systemic cancer treatments.
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