[Balloon atrioseptostomy under echocardiographic and fluoroscopic guide in patients with congenital heart diseases under 3 months in a national reference pediatric center]. / Atrioseptostomía con balón bajo guía ecocardiográfica y fluoroscópica en pacientes con cardiopatías congénitas menores de 3 meses en un centro pediátrico de referencia nacional.

Objective: Balloon atrioseptostomy is an emergency procedure in congenital heart diseases requiring an atrial septal defect to increase cardiac output in right-sided obstructive lesions or to improve mixing in patients with transposition of the great arteries. This procedure is currently performed with both fluoroscopy and echocardiography. The main objective is to describe our experience with the use of balloon atrioseptostomy under echocardiographic and fluoroscopic guidance in patients under 3 months. Materials and methods: A descriptive, comparative and retrospective study in patients in whom balloon atrioseptostomy was performed under echocardiographic and fluoroscopic guidance between 2018 and 2023 in a referral hospital in Peru. Results: 36 patients were analyzed, of which 21 were from the fluoroscopy group. and 15 patients from the echocardiography group. More than 2/3 of the cases were males, and more than 60% of patients in both groups had transposition of the great vessels. No significant differences were found in terms of ventilatory support and inotropic support. The success of the procedure was 100% in both groups, without complications. Conclusion: Both balloon atrioseptostomy performed by fluoroscopy and those performed by echocardiography were successful and without complications, emphasizing that the one performed by echocardiography is performed in the patient's crib, avoiding the transfer of the critical unit to the angiography room and without the use of radiation.

Aortic valvuloplasty under echocardiographic guidance in a minor infant at a national referral center in Peru: case report.

Aortic valve stenosis is a congenital heart defect that causes a fixed left ventricular outflow obstruction with a progressive course. Symptomatology in neonates and young infants resembles congestive heart failure. In addition, the diagnosis of this condition is made by imaging, through echocardiography. On the other hand, treatment can be surgical or interventional under fluoroscopic guidance, depending on the hospital in which it is performed. We describe the case of a minor infant patient who presented severe aortic valve stenosis; however, the fluoroscopy equipment was not available at the time of the emergency to perform the appropriate procedure, therefore, an aortic valvuloplasty was performed under echocardiographic guidance without complications.

[Percutaneous closure of vertical vein after supra-cardiac total anomalous pulmonary venous connection repair, using atrial septal defect occluder. A case report]. / Cierre percutáneo de vena vertical, posterior a la reparación de conexión anómala pulmonar total supracardiaca, usando oclusor para defecto del septum atrial. Reporte de caso.

In patients operated on for total supracardiac anomalous pulmonary venous connection (TAPVC-SC), not ligating the vertical vein (VV) routinely helps to maintain greater hemodynamic stability in the postoperative period, and in many cases, spontaneous closure will be achieved. However, if the VV remains patent, it leads to a pre-tricuspid shunt with significant pulmonary hyperflow, requiring surgical or percutaneous closure. We present the case of a post-operated patient for non-obstructive TAPVC-SC with patent VV, in whom percutaneous closure was performed using an atrial septal Occluder.