Intracoronary delivery of hematopoietic bone marrow stem cells and luminal loss of the infarct-related artery in patients with recent myocardial infarction.

To the Editor: Angiogenesis and atherogenesis share a number of pathways suggesting that interrelated tradeoffs might be inherent to therapies designed to enhance collateral formation and cardiac repair ([1][1]). This “Janus-like” effect on atherosclerosis progression was observed in several