Journal of Cardiovascular Computed Tomography
Volume 3, Issue 1 , Pages 57-61, January 2009

Anomalous intracavitary right coronary artery shown by cardiac CT: A potential hazard to be aware of before various interventions

  • Roderick M. Zalamea, MD

      Affiliations

    • Department of Radiology, Clinical Cardiac Electrophysiology, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157-1088, USA
    • Corresponding Author InformationCorresponding author.
    • ,
  • Daniel W. Entrikin, MD

      Affiliations

    • Department of Radiology, Clinical Cardiac Electrophysiology, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157-1088, USA
    • Department of Cardiology, Clinical Cardiac Electrophysiology, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157-1088, USA
    • ,
  • Thomas Wannenburg, MD

      Affiliations

    • Department of Cardiology, Clinical Cardiac Electrophysiology, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157-1088, USA
    • ,
  • J. Jeffrey Carr, MD, FACC, FAHA

      Affiliations

    • Department of Radiology, Clinical Cardiac Electrophysiology, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157-1088, USA
    • Department of Cardiology, Clinical Cardiac Electrophysiology, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157-1088, USA

Received 30 June 2008; accepted 1 November 2008. published online 06 November 2008.

Abstract 

Intracavitary right coronary arteries (RCAs) are uncommon (incidence of 0.09%–0.1%), having previously been reported nearly exclusively in autopsy series. However, more recently this entity has been detected prospectively by noninvasive cardiac computed tomography. Because many interventional procedures, including pacemaker placement and atrial flutter ablation, may be influenced by the presence of an intracavitary RCA, this entity is important to recognize. We report two cases of intracavitary right coronary artery discovered prospectively by cardiac computed tomography. In one of these cases, interventional management was altered based on our findings.

Keywords: Cardiac computed tomography, Coronary computed tomography, Intra-atrial right coronary artery, Intracameral right coronary artery, Intracavitary right coronary artery

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 Conflict of interest: The authors report no conflicts of interest.

PII: S1934-5925(08)00633-3

doi:10.1016/j.jcct.2008.11.001

Journal of Cardiovascular Computed Tomography
Volume 3, Issue 1 , Pages 57-61, January 2009

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