Pleural Fluid Resolution Is Associated with Improved Survival in Patients with Malignant Pleural Effusion

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  • MacRosty, Christina R.
    • Affiliation: School of Medicine, Department of Medicine, Division of Pulmonary Diseases and Critical Care Medicine
  • Wright, Amber
    • Affiliation: School of Medicine, Department of Medicine, Division of Pulmonary Diseases and Critical Care Medicine
  • Ceppe, Agathe
    • Affiliation: School of Medicine, Department of Medicine
  • Ghosh, Sohini
    • Other Affiliation: Allegheny Health Network
  • Burks, A. Cole
    • Affiliation: School of Medicine, Department of Medicine, Division of Pulmonary Diseases and Critical Care Medicine
  • Akulian, Jason A.
    • Affiliation: School of Medicine, Department of Medicine, Division of Pulmonary Diseases and Critical Care Medicine
Abstract
  • Malignant pleural effusion is associated with a poor prognosis and, while risk stratification models exist, prior studies have not evaluated pleural fluid resolution and its association with survival. We performed a retrospective review of patients diagnosed with malignant pleural effusion between 2013 and 2017, evaluating patient demographics, pleural fluid and serum composition, and procedural and treatment data using Cox regression analysis to evaluate associations with survival. In total, 123 patients were included in the study, with median survival from diagnosis being 4.8 months. Resolution of malignant pleural fluid was associated with a significant survival benefit, even when accounting for factors such as placement of an indwelling pleural catheter, anti-cancer therapy, pleural fluid cytology, cancer pheno/genotypes, and pleural fluid characteristics. Elevated fluid protein, placement of an indwelling pleural catheter, and treatment with targeted or hormone therapies were associated with pleural fluid resolution. We conclude that the resolution of pleural fluid accumulation in patients with malignant pleural effusion is associated with a survival benefit possibility representing a surrogate marker for treatment of the underlying metastatic cancer. These findings support the need to better understand the mechanism of fluid resolution in patients with malignant pleural effusion as well as the tumor–immune interplay occurring with the malignant pleural space.
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  • Article
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  • In Copyright
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  • Attribution 4.0 International
Journal title
  • Life
Journal volume
  • 13
Journal issue
  • 5
Page start
  • 1163
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  • English
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  • Publisher
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  • 2075-1729
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  • MDPI

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