Truncus arteriosus

Truncus arteriosus (TA) is a rare congenital cardiovascular anomaly characterized by a single arterial trunk arising from the heart by means of a single semilunar valve (<I>i.e.</I> truncal valve). Pulmonary arteries originate from the common arterial trunk distal to the coronary arteries and proximal to the first brachiocephalic branch of the aortic arch. TA typically overrides a large outlet ventricular septal defect (VSD). The intracardiac anatomy usually displays situs solitus and atrioventricular (AV) concordance.

Patent ductus arteriosus

In utero, the ductus arteriosus (DA) serves to divert ventricular output away from the lungs and toward the placenta by connecting the main pulmonary artery to the descending aorta. A patent ductus arteriosus (PDA) in the first 3 days of life is a physiologic shunt in healthy term and preterm newborn infants, and normally is substantially closed within about 24 hours after bith and completely closed after about three weeks. Failure of physiologcal closure is referred to a persistent or patent ductus arteriosus (PDA). Depending on the degree of left-to-right shunting, PDA can have clinical consequences.

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PMID (PMCID)
28208970	OTHER
	Isolated Hypoplasia of Left Pulmonary Artery with Agenesis of Left Lobe of Thyroid: A Case Report.
	Khadir MA, Narayana G, Ramagopal G, Nayar PG. J Clin Diagn Res. 2016;10(12):SD04-SD05.
	It is usually seen associated with congenital heart diseases such as tetralogy of Fallot, atrial septal defect, coarctation of the aorta, right aortic arch, truncus arteriosus, patent ductus arteriosus and pulmonary atresia.
27865679	FEMALE	Adult
	Percutaneous closure of isolated ostium secundum-type atrial septal defect in a patient with Mayer-Rokitansky-Kuster-Hauser syndrome.
	Akcay M, Gulel O, Soylu K, Meric M, Elmali M. Rev Port Cardiol. 2016;35(12):701.e1-701.e3.
	It is reported to be associated with cardiovascular disorders including atrial septal defect, anomalous pulmonary venous return, aortopulmonary window, pulmonary valve stenosis, mitral valve prolapse, tetralogy of Fallot, truncus arteriosus, and patent ductus arteriosus.
20082465	MIXED_SAMPLE
	Pancreatic hypoplasia presenting with neonatal diabetes mellitus in association with congenital heart defect and developmental delay.
	Balasubramanian M, Shield JP, Acerini CL, Walker J, Ellard S, Marchand M, Polak M, Vaxillaire M, Crolla JA, Bunyan DJ, Mackay DJ, Temple IK. Am J Med Genet A. 2010;152A(2):340-6.
	In addition, Patient 1 had a ventricular septal defect, patent ductus arteriosus and pulmonary artery stenosis; Patient 2 had a truncus arteriosus and Patient 3 had tetralogy of Fallot.
18400613	MIXED_SAMPLE	Infant, Newborn
	Crossed pulmonary arteries: report of two cases with emphasis on three-dimensional helical computed tomographic imaging.
	Chen BB, Hsieh HJ, Chiu IS, Chen SJ, Wu MH. J Formos Med Assoc. 2008;107(3):265-9.
	Cardiac CT showed crossed pulmonary arteries, truncus arteriosus, type A interruption of the aortic arch, a ventricular septal defect, an atrial septal defect, and a large patent ductus arteriosus.
7141965	MIXED_SAMPLE
	Multiple congenital heart anomalies in five Arabian foals.
	Bayly WM, Reed SM, Leathers CW, Brown CM, Traub JL, Paradis MR, Palmer GH. J Am Vet Med Assoc. 1982;181(7):684-9.
	The surviving horse was believed to have an interventricular septal defect and patent ductus arteriosus, or a persistent truncus arteriosus.
7210447	MIXED_SAMPLE
	Congenital cardiac anomalies in calves.
	Sandusky GE, Smith CW. Vet Rec. 1981;108(8):163-5.
	The cardiac defects included two patent ductus arteriosus, two anomalies of the coronary vessels, one persistent truncus arteriosus, one transposition of the aorta and pulmonary artery and one ventricular septal defect.
907233	MALE	Infant, Newborn
	[Di Giorge's syndrome with congenital heart disease (author's transl)].
	Cintado Bueno C, Ariza Almeida S, Castillo Camacho JA, Atienza Contreras A, Toro Ortega J. An Esp Pediatr. 1977;10(6-7):532-42.
	Authors describe three cases of Di Giorge's syndrome (thymic and parathyroid aplasia) proved through anatomical study postmorten, associated with cardiac malformations (Tetralogy of Fallot with pulmonary atresia, persistent truncus arteriosus and large patent ductus arteriosus).