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Malignant pleural effusions.

S A Sahn1

  • 1Division of Pulmonary and Critical Care Medicine, Allergy and Clinical Immunology, Medical University of South Carolina, Charleston, South Carolina 29425, USA. sahnsa@musc.edu

Seminars in Respiratory and Critical Care Medicine
|August 10, 2005
PubMed
Summary
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Talc pleurodesis effectively treats malignant pleural effusions, with talc poudrage and slurry showing similar success rates. While rare, acute respiratory failure is a risk, and pleurodesis decisions require considering factors beyond pleural fluid pH.

Area of Science:

  • Pulmonology
  • Oncology
  • Thoracic Surgery

Background:

  • Malignant pleural effusions affect an estimated 150,000 individuals annually in the US.
  • Dyspnea is the primary symptom, significantly impacting patient quality of life.
  • Chemical pleurodesis is a standard treatment for symptomatic, recurrent malignant pleural effusions.

Purpose of the Study:

  • To evaluate the efficacy and safety of talc as a pleurodesis agent.
  • To discuss criteria for recommending pleurodesis beyond pleural fluid pH.
  • To outline alternative management strategies for treatment failure or specific patient conditions.

Main Methods:

  • Review of existing literature on malignant pleural effusions and pleurodesis.
  • Analysis of talc's efficacy and associated complications, including acute respiratory failure.

Related Experiment Videos

  • Consideration of clinical factors influencing pleurodesis success and patient selection.

    • Main Results:

    • Talc is the most successful pleurodesis agent, with talc poudrage and slurry demonstrating comparable efficacy.
    • Acute respiratory failure is a rare complication (<1%) of talc pleurodesis, often with multifactorial causes.
    • Low pleural fluid pH correlates with poorer outcomes but should not be the sole determinant for or against pleurodesis.

    Conclusions:

    • Talc pleurodesis is a highly effective treatment for malignant pleural effusions.
    • Patient-specific factors, including symptom relief, overall health, and lung status, are crucial for treatment decisions.
    • Alternative interventions like shunts or indwelling catheters are viable for refractory cases or those with trapped lungs.