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.

Vascular dilatation

Abnormal outpouching or sac-like dilatation in the wall of an atery, vein or the heart.


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PMID (PMCID)
24484817
 MALE Adult
Valve-sparing root replacement surgery for the truncal valve in an adult: report of the initial successful case.
Kuwauchi S, Kawazoe K, Matsuo K, Abe K, Yamasaki M, Ito J, Watanabe S.
Ann Thorac Surg. 2014;97(2):703-5.
We describe here an initial successful case of valve-sparing surgery using reimplantation technique in a 24-year-old male with aortic root dilatation with truncal valve insufficiency after common arterial trunk repair.
9628382
 OTHER Infant
Successful reoperation for severe left bronchus compression after repair of persistent truncus arteriosus with interrupted aortic arch.
Tlaskal T, Hucin B, Kostelka M, Skovranek J.
Eur J Cardiothorac Surg. 1998;13(3):306-9.
Signs of the left bronchus compression, caused by aneurysmatic dilatation of the aortic root with severe aortic regurgitation, occurred 5 months after repair of the truncus arteriosus with interrupted aortic arch in an 85-day-old infant.
8561570
 OTHER Infant
Early pulmonary homograft failure from dilatation due to distal pulmonary artery stenosis.
DeLeon SY, Tuchek JM, Bell TJ, Hofstra J, Vitullo DA, Quinones JA, Fisher EA.
Ann Thorac Surg. 1996;61(1):234-6; discussion 236-7.
Early progressive pulmonary homograft insufficiency developed in an 11-month-old infant after repair of truncus arteriosus because of dilatation secondary to the presence of residual distal pulmonary artery stenosis and hypoplasia.
1876517
 MALE Child
Balloon dilatation of a stenosed aortic homograft conduit following repair of the common arterial trunk.
Murdoch IA, Parsons JM, Anjos RD, Qureshi SA.
Pediatr Cardiol. 1991;12(3):175-6.
Balloon dilatation of a stenosed aortic homograft conduit following repair of the common arterial trunk.