Left ventricular inflow obstruction due to a coronary arteriovenous fistula: a paediatric case report

Left ventricular inflow obstruction due to a coronary arteriovenous fistula: a paediatric case report

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Abstract Background We report a rare case of left ventricular inflow obstruction from a branch of the left circumflex coronary artery to the right atrium caused by a coronary arteriovenous fistula (CAVF) in a young Japanese male child.Case presentation The patient was diagnosed with CAVF following a heart murmur shortly after birth.The left-to-right shunt caused right ventricular Planner volume overload and pulmonary congestion.

An emergency surgical intervention was performed for the CAVF on day 6 after birth.However, by 5 years of age, his left ventricular inflow obstruction worsened.We found an abnormal blood vessel originating from the proximal part of a branch of the left circumflex coronary artery, circling the outside of the mitral valve annulus along the medial side of the coronary sinus.

As the child gets older, the blood inflow Water Conditioners into the left ventricle might get restricted further, resulting in left-sided heart failure.Conclusion Our findings suggest that even after CAVF closure surgery, it is essential to monitor for complications caused by progressive dilatation of a persistent CAVF.