• E Martínez-Moragón, J Aparicio, J Sanchis, R Menéndez, M Cruz Rogado, and F Sanchis.
• Department of Pneumology, Hospital Universitario La Fe, Valencia, Spain.
• Respiration. 1998 Jan 1; 65 (2): 108-13.

AbstractChemical pleurodesis is an effective treatment of malignant pleural effusions, but indications must be individualised to optimise its results. The aim of the present study was to investigate the relationship of various prognostic features with both the response rate to pleurodesis and the probability of patient survival. A non-concurrent cohort study was carried out in which 120 evaluable patients with malignant pleural effusion underwent pleurodesis. Lung (40%), breast (26.6%), and unknown primary site (12.5%) carcinomas were the most frequent neoplasms. Clinical data and pleural fluid parameters were analysed. Median overall survival was 9 months. Pleural fluid glucose (< 60 mg/dl), Karnofsky performance status (< 70), size of the effusion in chest radiographs (massive effusion), pleural fluid pH (< 7.20), presence of concomitant alterations in chest radiographs, and pleural lactic acid dehydrogenase levels (> 600 U/l) showed a significant association with the probability of failure. Patients with these features, along with those having non-chemosensitive tumours (in particular, non-small cell lung cancer), had a significantly worse actuarial survival. This study confirms that some pretreatment clinical data and pleural fluid parameters can predict both the outcome of pleurodesis and the survival of patients with malignant pleural effusion.

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