Abstract

A best evidence topic in thoracic surgery was written according to a structured protocol. The question addressed was 'For patients with malignant pleural effusion is chemical pleurodesis with povidone-iodine as effective, safe and well tolerated as talc pleurodesis for prevention of recurrent malignant pleural effusions?'. A total of 124 papers were found during the search, of which 8 represented the best evidence to answer the clinical question. The authors, journal, date, country of publication, patient group studied, study type, relevant outcomes and results of these papers were tabulated. At present, medical-grade talc is the most commonly used agent for chemical pleurodesis due to its high success rate, extensive history of clinical use and well-known side-effect profile. However, studies using povidone-iodine seek to establish it as a readily available,low-cost alternative to talc that can be easily administered through an intercostal catheter at the bedside. The summation of available evidence suggests that povidone-iodine is a safe, well-tolerated and equally efficacious agent for pleurodesis in the setting of malignant pleural effusion, when compared to talc.

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