Retrograde coronary sinus perfusion for management of coexistent critical unstable carotid and coronary artery disease.

The case report describes a difficult and not uncommon situation of a patient suffering from an evolving myocardial infarction with hemodynamic instability along with a critical bilateral extracranial carotid artery stenosis. A technique of retrograde coronary sinus perfusion was used to temporarily stabilize the cardiac status while the carotid lesion was being tackled.