Aris A, Borrás X, Ramió J
J Thorac Cardiovasc Surg. 1987 Jan;93(1):62-4.
We report two cases in which an internal mammary artery graft was found to be nonfunctional in the early postoperative period, but repeat catheterization at 6 months revealed the graft to be patent. These two cases substantiate that closure of an internal mammary artery graft may be reversible.