Key result
An elderly male was diagnosed with a rare outlet ventricular septal defect complicated by right coronary cusp prolapse and secondary aortic insufficiency.
Case Report (n=1)
Outlet VSDs can persist into adulthood and cause secondary aortic insufficiency due to right coronary cusp prolapse, necessitating surgical repair regardless of VSD size.
Ventricular septal defect (VSD) is the most common congenital cardiac anomaly in children and the second most common congenital cardiac anomaly in adults. The hemodynamic compromise associated with VSD is due to the shunt formation created by the abnormal communication between the right and left ventricles. While 85%-90% of small VSDs close spontaneously during the first year of life, some do not close spontaneously. If spontaneous closure does not occur during childhood, a VSD may persist into adulthood and may first be recognized after the development of a complication. We present a case of outlet VSD with secondary aortic insufficiency due to the prolapse of the aortic valve leaflet, especially in the right coronary cusp (RCC) sparing the left coronary cusp. RCC prolapse is an important finding in outlet VSD as the prolapse has the potential to cause permanent aortic insufficiency and closure is indicated regardless of the size of VSD.
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Sharma et al. (2021) conducted a case report in Outlet Ventricular Septal Defect (n=1). Outlet Ventricular Septal Defect was evaluated. An elderly male was diagnosed with a rare outlet ventricular septal defect complicated by right coronary cusp prolapse and secondary aortic insufficiency.
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