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1.
Eur J Cardiothorac Surg ; 5(7): 368-71; discussion 372, 1991.
Article in English | MEDLINE | ID: mdl-1892666

ABSTRACT

From 1980 to 1990, 12 patients (mean age 2.5 years, range 5 months to 9 years) with anomalous origin of the left coronary artery from the pulmonary artery were treated surgically. Five infants were operated upon in the first year of life because of persistent symptoms of congestive heart failure. In all cases, a two-coronary system was constructed by direct aortic reimplantation of the anomalous vessel with no deaths early or late over a follow-up period of up to 10 years. The technique of reimplantation was facilitated by transection of the main pulmonary artery. One patient with severe mitral regurgitation underwent, in addition, a mitral annuloplasty. A pulmonary valvotomy was performed in another patient with associated pulmonary stenosis. Three patients are receiving medication. The reimplanted anomalous left coronary artery was patent in each reevaluated patient (10/12). Left ventricular function improved considerably in all cases. Patients with symptoms should undergo repair soon after diagnosis. Direct aortic reimplantation should be technically feasible in even the smallest infant. Operative mortality is related to preoperative conditions and severity of ischemic damage of the myocardium.


Subject(s)
Aorta/surgery , Coronary Vessel Anomalies/surgery , Pulmonary Artery/abnormalities , Pulmonary Artery/surgery , Child , Child, Preschool , Coronary Vessel Anomalies/physiopathology , Female , Follow-Up Studies , Heart Failure/etiology , Humans , Infant , Male , Vascular Surgical Procedures/methods , Ventricular Function, Left
3.
Medicina (B.Aires) ; 44(3): 237-44, 1984.
Article in Spanish | LILACS | ID: lil-25706

ABSTRACT

El presente estudio multicentrico describe las acciones hemodinamicas de la prostaglandina PGE en 21 ninos recien nacidos con cardiopatia congenita cianotica (8 con atresia pulmonar mas atresia tricuspidea, 2 con estenosis pulmonar, 3 con transposicion de las grandes arterias, y 4 con transposicion de las grandes arterias mas atresia pulmonar). La PGE fue infundida por via intraarterial o endovenosa, a la dosis de 0,02-0,1 micrograma/Kg/min. La PaO2 media aumento de 26,8 +/- 5,7 mm Hg preinfusion, a 45,5 +/- 11,1 mm Hg durante la infusion, siendo esta diferencia altamente significativa. Se consignaron 26 eventos intercurrentes en los 21 pacientes tratados, habiendose suspendido el tratamiento en un solo caso. Se discuten los posibles mecanismos de accion de la droga.Se concluye que la prostaglandina PGE constituye un agregado significativo al arsenal terapeutico en la cirugia cardiovascular neonatal, ya que estabiliza a los neonatos con cardiopatias congenitas ductus dependientes, permitiendo que vayan a la cirugia en mejores condiciones


Subject(s)
Infant, Newborn , Humans , Ductus Arteriosus, Patent , Heart Defects, Congenital , Prostaglandins E , Infusions, Intra-Arterial
5.
Medicina [B.Aires] ; 44(3): 237-44, 1984.
Article in Spanish | BINACIS | ID: bin-33352

ABSTRACT

El presente estudio multicentrico describe las acciones hemodinamicas de la prostaglandina PGE en 21 ninos recien nacidos con cardiopatia congenita cianotica (8 con atresia pulmonar mas atresia tricuspidea, 2 con estenosis pulmonar, 3 con transposicion de las grandes arterias, y 4 con transposicion de las grandes arterias mas atresia pulmonar). La PGE fue infundida por via intraarterial o endovenosa, a la dosis de 0,02-0,1 micrograma/Kg/min. La PaO2 media aumento de 26,8 +/- 5,7 mm Hg preinfusion, a 45,5 +/- 11,1 mm Hg durante la infusion, siendo esta diferencia altamente significativa. Se consignaron 26 eventos intercurrentes en los 21 pacientes tratados, habiendose suspendido el tratamiento en un solo caso. Se discuten los posibles mecanismos de accion de la droga.Se concluye que la prostaglandina PGE constituye un agregado significativo al arsenal terapeutico en la cirugia cardiovascular neonatal, ya que estabiliza a los neonatos con cardiopatias congenitas ductus dependientes, permitiendo que vayan a la cirugia en mejores condiciones


Subject(s)
Infant, Newborn , Humans , Heart Defects, Congenital , Ductus Arteriosus, Patent , Prostaglandins E , Infusions, Intra-Arterial
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