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Congenital anomalies of coronary arteries: Diagnosis with 64 slice multidetector CT

Rukhsana Tariq1, Shahzad Babar Kureshi, Usman T Siddiqui

  • 1Consultant Radiologists, Advanced Radiology Clinic, Behind Hamdard University Hospital, Off M.A. Jinnah Road, Karachi, Pakistan. drrukhsanatariq@hotmail.com

European Journal of Radiology
|July 15, 2011
PubMed

Insights

This study identified rare congenital coronary artery anomalies using multidetector CT, finding an incidence of 1.55%. Multidetector CT offers superior imaging of coronary artery variants compared to conventional angiography.

Area of Science:

  • Cardiovascular Imaging
  • Congenital Heart Disease
  • Radiology

Background:

  • Congenital coronary artery anomalies are rare, often asymptomatic, but can cause severe symptoms.
  • Conventional Coronary Angiogram is the standard imaging method.
  • ECG-gated-multidetector CT (MDCT) is a non-invasive alternative.

Purpose of the Study:

  • To identify rare congenital coronary artery anomalies.
  • To discuss the clinical significance of these anomalies.
  • To evaluate MDCT for coronary artery imaging.

Main Methods:

  • 900 ECG-gated-multidetector CT coronary angiograms were reviewed.
  • Patients with identified coronary artery anomalies were the study cohort.
  • Data collected from April 2006 to October 2010.

Main Results:

  • The incidence of anomalous coronary artery origin and course was 1.55%.
  • Hemodynamically significant anomalies included single coronary artery (3), anomalous left coronary artery from pulmonary artery (1), anomalous RCA from left aortic cusp (4), and absent LMCA (6).
  • Specific anomalies identified: single coronary artery, anomalous LCA from PA, anomalous RCA, absent LMCA.

Conclusions:

  • Multidetector CT is a non-invasive cardiac imaging modality.
  • MDCT provides superior resolution and definition of coronary ostia and proximal course.
  • MDCT avoids projectional vascular overlap, outperforming catheter angiography in visualizing coronary variants.
Abstract

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