左前降支近端
Proximal LAD artery
定义
左前降支(LAD)近段定义为从左主冠状动脉分叉处延伸至第一主要间隔穿支(部分定义为延伸至第一对角支)的节段。
左前降支(LAD)近段动脉起源于左主冠状动脉(LMCA),发出于左主冠状动脉自左冠状窦分叉后不久。左前降支随后沿前室间沟走行,朝向心尖部。
左前降支近段发出数条重要分支,包括左圆锥动脉、间隔穿支及对角支。这些分支为左心室前壁及室间隔前三分之二提供血液供应。[3]
參考資料
1.Atheroma Morphology and Distribution in Proximal Left Anterior Descending Coronary Artery: In Vivo Observations.Kimura BJ, Russo RJ, Bhargava V, et al.Journal of the American College of Cardiology. 1996;27(4):825-31. doi:10.1016/0735-1097(95)00551-x.
2.Anatomic and Flow Characteristics of Left Anterior Descending Coronary Artery Angiographic Stenoses Predisposing to Myocardial Infarction.Katritsis DG, Pantos I, Zografos T, et al.The American Journal of Cardiology. 2021;141:7-15. doi:10.1016/j.amjcard.2020.11.012.
3.Clinical Presentation and Therapy of Coronary Artery Anomalies.Haas NA, Driscoll DJ, Rickert-Sperling S.Advances in Experimental Medicine and Biology. 2024;1441:799-809. doi:10.1007/978-3-031-44087-8_47.