Persistent truncus arteriosus classification
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Classfication
The most well-known classification was the fourfold system developed by Collett and Edwards in 1949.[1] Collett/Edwards Types I, II, and III are distinguished by the branching pattern of the pulmonary arteries:[2][3]
- Type I: truncus -> one pulmonary artery -> two lateral pulmonary arteries
- Type II: truncus -> two posterior/posterolateral pulmonary arteries
- Type III: truncus -> two lateral pulmonary arteries
The "Type IV" proposed in 1949 is no longer considered a form of PTA by most modern sources.[3]
Another well-known classification was defined by Van Praaghs in 1965.[4][3]
References
- ↑ Collett RW, Edwards JE: Persistent truncus arteriosus: a classification according to anatomic types. Surg Clin North Am 1949; 29: 1245-70.
- ↑ "Persistent Truncus Arteriosus: Congenital Cardiovascular Anomalies: Merck Manual Professional". Retrieved 2007-11-04.
- ↑ 3.0 3.1 3.2 "eMedicine - Truncus Arteriosus : Article by Doff McElhinney, MD". Retrieved 2007-11-04.
- ↑ Van Praagh R, Van Praagh S (1965). "The anatomy of common aorticopulmonary trunk (truncus arteriosus communis) and its embryologic implications. A study of 57 necropsy cases". Am. J. Cardiol. 16 (3): 406–25. PMID 5828135.