We report the case of 3 mediastinal teratomas, 1 intrapericardial immature and 2 mediastinal grade 0, diagnosed in the 38 th week of gestation (intrapericardial immature) in the last stage of pregnancy (mature mediastinal). The surgical resection of the masses was successfully undertaken shortly after birth. The histological description of tumor after excision has reported immature multicystic teratoma Grade 2 of 3, with immature neural tissue and without yolk sac tumor cells (for the intrapericardial case) and mature tissue grade 0 large masses, with all tissues represented at histology (for the extrapericardial case). All neonates showed a favorable postoperative course after excision.
Mechanical circulatory support after congenital heart surgery is uncommon, but not unusual. Stunning of ischemic myocardium after cardiopulmonary bypass could occur due to many reasons. According to the literature, this complication is rare in our center, but some options about implantation of a postcardiotomy left ventricular assistance device (LVAD) in toddlers deserve attention. Furthermore, although the VAD has been a well-established therapy for larger adolescents and adult patients with advanced heart failure, current experience with the use of VAD for mechanical circulatory support in infants and young children with small body surface area is still limited
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