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.

Aortopulmonary collateral arteries

Small ectopic arteries or arterial branches that connect the aorta, aortic branches and/or subclavian artery regions directly to the lung parenchyma, usually seen in conjunction with pulmonary atresia, ventricular septal defect (VSD) and/or closed ductus arteriosus.


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(per page)
PMID (PMCID)
9316541
 MIXED_SAMPLE Infant
Truncus arteriosus communis associated with chromosome 22q11 deletion.
Momma K, Ando M, Matsuoka R.
J Am Coll Cardiol. 1997;30(4):1067-71.
In truncus arteriosus communis, the rare type A3 with major aortopulmonary collateral arteries and pulmonary ostial stenosis and type A1 with pulmonary artery stenosis are associated with del 22q11.
9316541
 MIXED_SAMPLE Infant
Truncus arteriosus communis associated with chromosome 22q11 deletion.
Momma K, Ando M, Matsuoka R.
J Am Coll Cardiol. 1997;30(4):1067-71.
Two had a rare type of truncus arteriosus: type A3 of Van Praagh and Van Praagh with major aortopulmonary collateral arteries and pulmonary ostial stenosis.
1491209
 FEMALE
[A case of coronary artery-pulmonary artery fistula in tetralogy of Fallot with pulmonary atresia and major aortopulmonary collateral arteries (MAPCA)].
Suzuki K, Matsui M, Nakamura Y, Kurosawa H, Ogawa K, Hoshino K.
Nihon Kyobu Geka Gakkai Zasshi. 1992;40(12):2252-7.
The patient was misdiagnosed as truncus arteriosus, pulmonary stenosis and major aortopulmonary collateral arteries (MAPCA) preoperatively.