韩国人群窦房结分支的解剖结构：MDCT 成像。
Anatomy of the sinoatrial nodal branch in Korean population: imaging with MDCT.
机构信息
Department of Radiology, Seoul National University College of Medicine, Seoul 110-744, Korea.
出版信息
Korean J Radiol. 2012 Sep-Oct;13(5):572-8. doi: 10.3348/kjr.2012.13.5.572. Epub 2012 Aug 28.
OBJECTIVE
To evaluate, on a retrospective basis, the anatomic characteristics of the arterial supply to the sinoatrial node (SAN) in the Korean population using an ECG-gated multi-detector CT (MDCT).
MATERIALS AND METHODS
The electrocardiographic-gated MDCTs of 500 patients (258 men and 242 women; age range, 17-83 years; mean age, 58.6 ± 12.04 years) were analyzed retrospectively. In each case, the SAN artery (arteries) was named according to a special nomenclature with regard to origin, course, and termination.
RESULTS
A total of 516 SAN arteries were visualized in 496 patients. The SAN was supplied by a single artery in 476 (96.4%) cases and by 2 arteries in 18 (3.6%) cases. The SAN originated from the right coronary artery in 265 (53.4%) cases and from the left circumflex in 213 (43%) cases.
CONCLUSION
This study can provide basic data on variations of the SAN artery in the Korean population.
目的
回顾性评估心电图门控多排 CT（MDCT）在韩国人群中心房结（SAN）动脉供血的解剖特征。
材料与方法
对 500 例患者（258 例男性，242 例女性；年龄 17-83 岁；平均年龄 58.6±12.04 岁）的心电图门控 MDCT 进行回顾性分析。在每种情况下，SAN 动脉（动脉）根据起源、走行和终止的特殊命名法进行命名。
结果
496 例患者中可显示 516 条 SAN 动脉。SAN 由单一动脉供血的有 476 例（96.4%），由 2 条动脉供血的有 18 例（3.6%）。SAN 起源于右冠状动脉的有 265 例（53.4%），起源于左回旋支的有 213 例（43%）。
结论
本研究可为韩国人群中 SAN 动脉变异提供基础数据。
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