目的 研究经眶上外侧-纵裂入路至前交通动脉复合体区的显微解剖，为临床应用该入路夹闭前交通动脉瘤提供解剖学依据。 方法 选取20具（40侧）成人尸头模拟经眶上外侧-纵裂入路，显微镜下观察前交通动脉复合体区的暴露情况，测量并记录相关数据。 结果 经眶上外侧-纵裂入路可较好地暴露前交通动脉复合体，尤其是前交通动脉的上区和后上区，且在暴露时对同侧额叶及直回的牵拉明显减轻。前交通动脉长度为（2.80±1.12）mm，中间外径为（1.79±0.82）mm，其距视交叉前缘中点距离为（4.59±2.22）mm。 结论 眶上外侧-纵裂入路具有手术视野好、脑组织损伤小等特点，对于上突型和后上突型前交通动脉瘤的暴露十分有益。
Abstract
Objective To study the anatomy of anterior communicating artery complex (ACoAC) by supraorbital lateral-longitudinal fissure approach under microscope, and to provide anatomic reference for clinical clipping of the anterior communicating artery aneurysm (ACoAA). Methods ACoAC exposed through the supraorbital lateral-longitudinal fissure approach was observed under microscope in a total of 20 adult cadavers (40 sides) , and relevant data were measured and recorded. Results The supraorbital lateral-longitudinal fissure approach could better expose ACoAC. In particular, the superior and posterior superior areas of the anterior communicating artery could obtain a good surgical field of vision. The length of the anterior communicating artery (AComA) was (2.80±1.12) mm. The middle outer diameter was (1.79±0.82) mm. The distance from the anterior edge of optic chiasma was (4.59±2.22) mm. Conclusion The supraorbital lateral-longitudinal fissure approach has the characteristics of good visual field and small brain tissue injury, which should consider favorably in treatment of the anterior communicating artery aneurysms (ACoAA) categorized as the superior and posterior superior type.
关键词
眶上外侧-纵裂入路 /
前交通动脉复合体 /
前交通动脉瘤 /
应用解剖
Key words
Supraorbital lateral-longitudinal fissure /
ACoAC /
ACoAA /
Applied anatomy
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