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Updated: Apr 15, 2026

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion
Published on: November 10, 2023
Management of Parapneumonic Pleural Effusion in Adults
Lucía Ferreiro1, María Esther San José2, Luis Valdés3
1Servicio de Neumología, Complejo Hospitalario Clínico-Universitario de Santiago, Santiago de Compostela, La Coruña, España.
Abstract:
Pleural infections have high morbidity and mortality, and their incidence in all age groups is growing worldwide. Not all infectious effusions are parapneumonic and, in such cases, the organisms found in the pleural space are not the same as those observed in lung parenchyma infections. The diagnostic difficulty lies in knowing whether an infectious effusion will evolve into a complicated effusion/empyema, as the diagnostic methods used for this purpose provide poor results. The mainstays of treatment are to establish an early diagnosis and to commence an antibiotic regimen and chest drain as soon as possible. This should preferably be carried out with fine tubes, due to certain morphological, bacteriological and biochemical characteristics of the pleural fluid. Fluid analysis, particularly pH, is the most reliable method for assessing evolution. In a subgroup of patients, fibrinolytics may help to improve recovery, and their combination with DNase has been found to obtain better results. If medical treatment fails and surgery is required, video-assisted thoracoscopic surgery (VATS) is, at least, comparable to decortication by thoracotomy, so should only undertaken if previous techniques have failed. Further clinical trials are needed to analyze factors that could affect the results obtained, in order to define new evidence-based diagnostic and therapeutic strategies that provide more effective, standardized management of this disease.
Insights
Diagnosing and treating pleural infections early is crucial due to rising global incidence. Prompt antibiotic and chest drain insertion, guided by pleural fluid analysis, improves outcomes for complicated effusions and empyema.
Area of Science:
- Pulmonology
- Infectious Diseases
- Thoracic Surgery
Background:
- Pleural infections are increasingly common globally, affecting all age groups and carrying significant morbidity and mortality.
- Distinguishing between simple infectious effusions and those progressing to complicated effusion/empyema presents diagnostic challenges.
- Current diagnostic methods for predicting effusion evolution yield suboptimal results.
Purpose of the Study:
- To review current diagnostic and therapeutic strategies for pleural infections.
- To highlight the importance of early diagnosis and intervention.
- To discuss the role of fluid analysis, medical management, and surgical options.
Main Methods:
- Review of current literature on pleural infection diagnosis and management.
- Emphasis on early identification of complicated effusions/empyema.
- Discussion of treatment modalities including antibiotics, chest drainage, fibrinolytics, and surgical interventions.
Main Results:
- Early diagnosis and prompt treatment with antibiotics and chest drains are key.
- Pleural fluid analysis, particularly pH, is vital for monitoring disease progression.
- Video-assisted thoracoscopic surgery (VATS) is a viable surgical option, comparable to thoracotomy.
Conclusions:
- Effective management of pleural infections requires timely diagnosis and intervention.
- Further research is needed to establish evidence-based, standardized diagnostic and therapeutic guidelines.
- Optimizing treatment strategies can improve patient outcomes and reduce disease burden.
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