India, May 28 -- A 15-year-old Mumbai boy with a congenital heart defect is the city's first to receive the Harmony Transcatheter Pulmonary Valve-a cutting-edge valve-replacement procedure, where an expandable valve was delivered through a catheter via the groin. Performed at the HN Reliance Foundation Hospital, the minimally invasive procedure avoided open-heart surgery by using a catheter to place the valve in the heart, restoring normal blood flow, and enabling rapid recovery.

The boy had undergone corrective heart surgery as a newborn to relieve an obstruction in the right ventricular outflow tract (RVOT), the region of the heart where blood exits the right ventricle and flows into the pulmonary arteries. While the defect was address...