Diagnosis and outcome of patients with idiopathic pleural effusions.
Rev Clin Esp 2023;
223:320-324. [PMID:
36990383 DOI:
10.1016/j.rceng.2023.03.005]
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Abstract
INTRODUCTION
Long-term follow-up course for patients with idiopathic pleural effusions has not been established.
METHODS
From October 2013 to June 2021 all patients with idiopathic effusion were prospectively followed up with clinical examination and imaging at 1, 3, 6 and every 6 months for a minimum of 1 year.
RESULTS
Twenty-nine patients were diagnosed with idiopathic effusion and followed up. Mesothelioma was detected during the follow-up in two patients at 7 and 18 months, one of whom had blood-tinged pleural fluid and the other reported a 10% weight loss. Mesothelioma was not diagnosed in any of the patients with effusion covering less than two thirds of the hemithorax, and without constitutional symptoms or a blood-tinged fluid appearance. Most of the effusions resolved or showed a clear improvement in the first six months.
CONCLUSION
Patients without weight loss and with small, non-hematic effusions, may benefit from conservative treatment and clinical-radiological follow-up.
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