Pleural Effusion: Pathophysiology, Diagnostic Approaches, and Evidence-Based Management Strategies for Healthcare Professionals | ||
| Egyptian Journal of Chemistry | ||
| Articles in Press, Accepted Manuscript, Available Online from 08 October 2025 | ||
| Document Type: Review Articles | ||
| DOI: 10.21608/ejchem.2025.411946.12158 | ||
| Author | ||
| Afaf Snitan Al-Otaibi* | ||
| Ministry of National Guard, Saudi Arabia | ||
| Abstract | ||
| Background: Pleural effusion, the abnormal accumulation of fluid in the pleural space, is a common clinical manifestation of various systemic and local diseases. It represents a significant healthcare burden, with approximately 1.5 million cases annually in the United States. The condition arises from an imbalance between pleural fluid formation and absorption, driven by disturbances in hydrostatic pressure, oncotic pressure, capillary permeability, or lymphatic drainage. Aim: This article aims to provide a comprehensive review of the pathophysiology, diagnostic evaluation, and evidence-based management strategies for pleural effusion, serving as a resource for healthcare professionals to improve patient outcomes. Methods: The review synthesizes current medical literature and guidelines. It details the anatomical and physiological basis of pleural fluid dynamics, the application of diagnostic tools (including chest radiography, ultrasound, and computed tomography), and the systematic analysis of pleural fluid using Light's criteria and other laboratory tests to differentiate transudates from exudates. Results: Accurate diagnosis hinges on integrating clinical presentation with imaging and pleural fluid analysis. Management is twofold: treating the underlying cause (e.g., heart failure, infection, malignancy) and providing symptomatic relief through fluid drainage. Therapeutic options range from thoracentesis and chest tube drainage for acute management to indwelling pleural catheters or pleurodesis for recurrent malignant effusions. Ultrasound guidance is critical for procedural safety and efficacy. Conclusion: A structured, evidence-based approach is essential for the effective management of pleural effusion. This involves a thorough diagnostic workup to identify the etiology, followed by tailored interventions that address both the fluid accumulation and its root cause, ultimately aiming to relieve symptoms, prevent recurrence, and manage complications | ||
| Keywords | ||
| Pleural Effusion, Pathophysiology, Light'; s Criteria, Thoracentesis, Ultrasound, Exudate | ||
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