Ventricular outflow tract obstruction
A ventricular outflow tract obstruction is one type of congenital heart defect in which either the right or left ventricular outflow tract is blocked or obstructed. These obstructions represent a spectrum of disorders.
| Ventricular outflow tract obstruction | |
|---|---|
 | |
| Human heart | |
| Specialty | Cardiology |
Right side
A right ventricular outflow tract obstruction (RVOTO) may be due to a defect in the pulmonic valve, the supravalvar region, the infundibulum, or the pulmonary artery.[1]
Left side
A left ventricular outflow tract obstruction (LVOTO) may be due to a defect in the aortic valve, or a defect located at the subvalvar or supravalvar level.[2]
- Aortic valve stenosis
- Supravalvar aortic stenosis
- Coarctation of the aorta
- Hypoplastic left heart syndrome
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References
- Bashore TM (2007). "Adult congenital heart disease: right ventricular outflow tract lesions". Circulation. 115 (14): 1933–1947. doi:10.1161/CIRCULATIONAHA.105.592345. PMID 17420363.CS1 maint: uses authors parameter (link)
- Gaynor JW, Elliott MJ (1993). "Congenital left ventricular outflow tract obstruction". Journal of Heart Valve Disease. 2 (1): 80–93. PMID 7505702.CS1 maint: uses authors parameter (link)
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