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Sinus Node Dysfunction in a Heart Transplant Patient Secondary to Severe Sinus Node Artery Obstruction

A Case Report

Cardiovascular Section and Cardiac Arrhythmia Research Institute, The University of Oklahoma Health Sciences Center, Oklahoma City, OK.

Krishnaswamy Chandrasekaran, MD

Cardiovascular Section and Cardiac Arrhythmia Research Institute, The University of Oklahoma Health Sciences Center, Oklahoma City, OK.

Ralph Lazzara, MD

Cardiovascular Section and Cardiac Arrhythmia Research Institute, The University of Oklahoma Health Sciences Center, Oklahoma City, OK.

Dwight W. Reynolds, MD

Cardiovascular Section and Cardiac Arrhythmia Research Institute, The University of Oklahoma Health Sciences Center, Oklahoma City, OK.

A case of sinus node dysfunction is reported secondary to severe sinus node artery obstruc tion 3 years after orthotopic heart transplantation. The patient first presented with frequent dizzy spells and presyncopal episodes for 3 months and then recurrent syncope in the presence of an acute myocardial infarction. Coronary angiography showed a diffusely narrowed sinus node artery without any apparent collateral vessels. The sinus node artery had had only minimal distal disease 3 months previously. A dual chamber permanent pacemaker was implanted with significant improvement in clinical symptoms.

Angiology, Vol. 54, No. 6, 725-728 (2003)
DOI: 10.1177/000331970305400614


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