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Pleural Effusion II: Symptoms and Management

Pleural Effusion II: Symptoms and Management

Pleural Effusion Overview
A pleural effusion is the abnormal collection of fluid between the parietal and visceral pleura layers of tissue that form the lining of the lungs and chest cavity. It can occur independently or due to surrounding parenchymal diseases, such as infection, malignancy, or inflammatory conditions.
Clinical Manifestations:

Pleural Effusion I: Introduction

Pleural Effusion I: Introduction

Pleural effusion is an abnormal fluid accumulation in the pleural cavity, a narrow space between the lungs and the chest wall. It is not a disease per se but rather a symptom or indication of an underlying disease. In normal circumstances, this space contains a small amount of fluid (5 to 15 mL), a lubricant facilitating the non-frictional movement of the pleural surfaces.
There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's criteria,...

Pleural Disorders: Types and Brief Description

Pleural Disorders: Types and Brief Description

The pleura is a vital part of the respiratory system. It's a double-layered membrane surrounding the lungs and lining the chest cavity. The two layers of the pleura are:

Pleura of the Lungs

Pleura of the Lungs

The lungs are nestled in a cavity, shielded by the pleura. The pleura, a form of serous membrane, wraps around each lung. This membrane arrangement consists of two layers: the visceral and parietal pleurae. The visceral pleura lines the surface of the lungIn contrast, the parietal pleura is the outer layer and contacts to the thoracic wall, the mediastinum, and the diaphragm. The hilum is the point of connection between the visceral and parietal layers. The space between the parietal and...

Pneumonia I: Introduction

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...

Pneumonia I: Introduction

Pneumonia I: Introduction

Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...

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Related Experiment Video

Updated: Jul 6, 2026

Point-of-Care Lung Ultrasound in Adults: Image Acquisition

Point-of-Care Lung Ultrasound in Adults: Image Acquisition

Published on: March 3, 2023

Parapneumonic pleural effusion and empyema.

Coenraad F N Koegelenberg¹, Andreas H Diacon, Chris T Bolliger

¹Division of Pulmonology, Department of Medicine, University of Stellenbosch and Tygerberg Academic Hospital, Cape Town, South Africa. coeniefn@sun.ac.za

Respiration; International Review of Thoracic Diseases

|March 28, 2008

Summary

Many pneumonia patients develop pleural effusion, but few need intervention. Complicated effusions require drainage via tube thoracostomy, sometimes with controversial fibrinolytics or thoracoscopy, to manage pleural sepsis.

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Area of Science:

Pulmonology
Thoracic Surgery
Infectious Diseases

Background:

Pleural effusion complicates at least 40% of pneumonia cases.
A minority of patients with pneumonia-associated pleural effusion develop complicated parapneumonic effusion or empyema requiring intervention.

Purpose of the Study:

To review current management strategies for parapneumonic effusion and empyema.
To highlight recent developments and controversies in the treatment of pleural infections.

Main Methods:

Review of medical literature on parapneumonic effusion and empyema management.
Discussion of diagnostic criteria and treatment options including antibiotics, drainage, fibrinolytics, thoracoscopy, and surgery.

Main Results:

Antibiotics are standard for all patients.
Drainage via tube thoracostomy is indicated for empyema, large/loculated effusions, or parapneumonic effusions with specific biochemical or microbiological criteria.
Fibrinolytics and thoracoscopy offer alternatives for complicated effusions, with choices dependent on local expertise and patient factors.

Conclusions:

Management of complicated parapneumonic effusion and empyema requires timely drainage.
The role of fibrinolytics and thoracoscopy is evolving, with decisions guided by clinical judgment and resource availability.
Open surgery may be necessary for refractory cases or to address chest mechanics.