After Institutional and IRB approval, a pilot prospective cohort study was designed to include consecutive adult patients with a diagnosis of refractory pleural effusion secondary to cancer who were scheduled for thoracoscopic talc pleurodesis as palliative treatment during a time interval of 36 months February 2009-December 2011.
Una vez obtenida la aprobación de la institución y del comité de ética, se diseñó un estudio prospectivo de cohorte para incluir pacientes adultos consecutivos diagnosticados con derrame pleural refractario secundario a un cáncer, programados para pleurodesis con talco por toracoscopia como tratamiento paliativo, durante un intervalo de 36meses febrero 2009-diciembre 2011.