Patent Ductus Revisited

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Abstract
Cardiovascular surgeons and cardiologists have been preoccupied with the patent ductus arteriosus (PDA) for almost 40 years since Gross1 successfully ligated this structure in a little girl at the Children's Hospital in Boston, thus opening the era of cardiovascular surgery. The reciprocal operation, the Blalock-Taussig procedure, increasing pulmonary blood flow in patients with tetralogy of Fallot by creating an "iatrogenic ductus," through an anastomosis of the subclavian artery to the pulmonary artery, originated from the Johns Hopkins Hospital shortly thereafter.2 At one time, it was even suggested that the number of ductuses interrupted surgically may equal the number of aortopulmonary . . .