Lung cancer after heart transplantation: results from a large multicenter registry.

In this study we analyzed Spanish Post-Heart-Transplant Tumour Registry data for adult heart transplantation (HT) patients since 1984. Median post-HT follow-up of 4357 patients was 6.7 years. Lung cancer (mainly squamous cell or adenocarcinoma) was diagnosed in 102 (14.0% of patients developing cancers) a mean 6.4 years post-HT. Incidence increased with age at HT from 149 per 100 000 person-years among under-45s to 542 among over-64s; was 4.6 times greater among men than women; and was four times greater among pre-HT smokers (2169 patients) than nonsmokers (2188). The incidence rates in age-at-diagnosis groups with more than one case were significantly greater than GLOBOCAN 2002 estimates for the general Spanish population, and comparison with published data on smoking and lung cancer in the general population suggests that this increase was not due to a greater prevalence of smokers or former smokers among HT patients. Curative surgery, performed in 21 of the 28 operable cases, increased Kaplan-Meier 2-year survival to 70% versus 16% among inoperable patients.

[External ventricular assist devices as circulatory support in patients with dilated cardiomyopathy]. / Asistencia ventricular externa como soporte circulatorio en un paciente con miocardiopatía dilatada.

Ventricular assist devices have demonstrated their utility in patients with intractable cardiac failure, both as support until complete myocardial recovery and as a bridge to transplantation. Specific pediatric pneumatic paracorporeal systems can be applied even in infants. Long-term survival has been reported although experience is limited. We report the case of an 8-year-old boy with dilated cardiomyopathy awaiting cardiac transplantation. The patient developed profound cardiogenic shock with multiorgan failure while being evaluated for heart transplantation. He was given biventricular assistance with the MEDOS-HIA system (MEDOS-Helmholtz Institute). Maximum stroke volume ventricles of 25 and 22 ml were used, achieving a cardiac output of 2.2 l/min in both ventricles. The patient was supported with ventricular assistance for 9 days, but multiple organ failed to improve and transplantation became impossible. Progressive loss of peripheral circulatory resistance unresponsive to treatment developed and ventricular assistance was discontinued. The previous severe shock and advanced and progressive multiorgan failure could be responsible for the poor outcome of our patient despite maintenance of adequate cardiac output. Nevertheless, the use of ventricular assist devices is a real therapeutic alternative in children with severe cardiogenic shock, allowing them to recover completely or undergo heart transplantation. Patient selection, the choice of a system of appropriate size, and early implantation seem to be the cornerstones for obtaining good results.