[Collateral pathways in patients with univascular coronary obstruction (2)].

We found 10 coronary collateral pathways in patients with right coronary (RC) obstruction. The communication with the anterior descending (DA) through the septum was the most prevalent. 5 pathways were found in the presence of DA obstruction, again the communication with the RC through the apex was the most frequently observed. Only 2 pathways were found in the presence of circumflex (Cx) obstructions.