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Updated: Sep 30, 2025
Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion
Published on: November 10, 2023
Update on the diagnosis and management of malignant pleural effusions
Sami I Bashour1, Babith J Mankidy1, Donald R Lazarus1
1Division of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX, 77030, USA.
Abstract:
Roughly 150,000 malignant pleural effusions (MPE) are diagnosed in the United States each year. The majority of cases are caused by lung and breast cancer, and since MPE represents advanced disease, the prognosis is generally poor. In this article we review the pathophysiology, epidemiology, and prognosis of MPE. We then discuss the approach to diagnosis of MPE including the role of imaging, pleural fluid analysis, and medical thoracoscopy. Current management strategies for symptomatic MPE include repeated thoracentesis for patients with very limited life expectancy as well as more definitive procedures such as chemical pleurodesis, tunneled indwelling pleural catheters, and novel combined approaches. The choice of intervention is guided by the efficacy, local expertise, and risk, as well as patient factors and preferences.
Insights
Malignant pleural effusions (MPE) affect 150,000 people annually, often indicating advanced cancer with a poor prognosis. Management involves diagnosis via imaging and fluid analysis, with treatment tailored to patient factors and preferences.
Area of Science:
- Pulmonology
- Oncology
Background:
- Malignant pleural effusion (MPE) is diagnosed in approximately 150,000 individuals in the U.S. annually.
- Lung and breast cancers are the most common causes of MPE, which signifies advanced disease and generally carries a poor prognosis.
Purpose of the Study:
- To review the pathophysiology, epidemiology, and prognosis of MPE.
- To discuss diagnostic approaches, including imaging, pleural fluid analysis, and medical thoracoscopy.
- To outline current management strategies for symptomatic MPE.
Main Methods:
- Review of existing literature on MPE pathophysiology, epidemiology, prognosis, diagnosis, and management.
- Discussion of diagnostic modalities such as imaging, pleural fluid analysis, and medical thoracoscopy.
- Analysis of current treatment options including thoracentesis, chemical pleurodesis, and indwelling pleural catheters.
Main Results:
- MPE is a common complication of advanced lung and breast cancer.
- Diagnostic methods include imaging, fluid analysis, and thoracoscopy.
- Management strategies vary from simple thoracentesis to definitive procedures like pleurodesis or catheter placement.
Conclusions:
- The choice of MPE management depends on efficacy, expertise, risk, and patient preferences.
- Symptomatic MPE management aims to improve quality of life in patients with advanced cancer.
- Personalized treatment approaches are crucial for optimizing outcomes in MPE patients.
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