Correspondence between left ventricular 17 myocardial segments and coronary anatomy obtained by multi-detector computed tomography: an ex vivo contribution.

Surgical and Radiologic Anatomy : SRA
Paulo DonatoF Caseiro-Alves

Abstract

The aim of this study was to investigate the correspondence between the coronary arterial anatomy and the supplied myocardium based on the proposed American Heart Association (AHA) 17-segment model. Six human cadaveric hearts without signs of infarct were selectively injected with colored contrasted gelatin in the three major coronary arteries. After injection, the hearts were scanned by computed tomography (64-detector scanner LightSpeed VCT, GE Healthcare) with a collimation of 64 × 0.625 mm. Reconstructed image data were analyzed in order to evaluate the blood supply of each myocardial segment. Coronary artery territory varies due to anatomy variations. Left anterior descending coronary artery (LAD) was the main vessel responsible for the myocardium blood supply in 11 segments. LAD contributed to the blood supply of all apical segments. Left circumflex (LCx) was the main coronary artery for the infero-anterior wall. Right coronary artery (RCA) contributed in all hearts for the blood supply of infero-septal segments. There was an important overlap between LAD and RCA territories at the infero-septal region and between LAD and LCx territories at the antero-lateral region. In our experiment, LAD territory was larger than the AH...Continue Reading

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Citations

Apr 3, 2013·The International Journal of Cardiovascular Imaging·Dominik BuckertPeter Bernhardt
Sep 10, 2014·Annals of Noninvasive Electrocardiology : the Official Journal of the International Society for Holter and Noninvasive Electrocardiology, Inc·Irina Rinta-KiikkaKjell Nikus
Apr 20, 2016·Clinical Radiology·M C Williams, D E Newby
May 7, 2015·European Heart Journal Cardiovascular Imaging·Anders ThomassenPoul Flemming Høilund-Carlsen
Aug 20, 2016·The International Journal of Cardiovascular Imaging·Martina Chantal de KnegtK F Kofoed
Feb 28, 2018·Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology·Jei-Yie HuangYen-Wen Wu
Feb 14, 2020·Journal of Cardiovascular Imaging·Sang Geon ChoHee Seung Bom
Sep 30, 2016·Journal of Applied Clinical Medical Physics·Joonho JungDong Hyun Yang
Apr 10, 2021·International Journal of Radiation Oncology, Biology, Physics·Jeremy BrownsteinTerence M Williams

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