Variations in the venous supply of the floor of the oral cavity: Assessment of relative hemorrhage risk during surgery
Variations in the venous supply of the floor of the oral cavity: Assessment of relative hemorrhage risk during surgery
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口腔底部静脉供应的变化：手术期间相对出血风险的评估
DOI：
10.1002/ca.23738
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发表时间：
2021
期刊：
影响因子：
2.4
通讯作者：
Ohshima Hayato
中科院分区：
文献类型：
--
作者：
Katsumi Yuji;Takagi Ristuo;Ohshima Hayato
尽管静脉损伤可引起口腔手术后术后晚期出血，并且很难确定这种损伤的确切位置，但关于口腔底部静脉丛的解剖学证据很少。本研究的目的是评估手术期间静脉损伤的相对风险。我们在 2016 年至 2018 年新泻大学解剖学课程中使用 23 具人体尸体（41 半），研究了口腔底部静脉丛的走向模式，并分析了它们与动脉的关系。口腔底静脉丛包括穿颏下静脉、舌下神经伴静脉、颌下管伴静脉、舌神经伴静脉、舌下静脉和舌深静脉。该神经丛的个体差异包括某些静脉的重复或缺失。有穿颏下静脉穿过下颌舌骨肌的个体，在下颌舌骨肌上方走行的颏下分支或舌下窝穿颏下动脉的发生率较高，而在没有穿颏下静脉的情况下，舌下动脉的发生率较高。口腔底部动脉的走行模式可以通过估计颏下静脉的走行模式来预测。手术期间需要仔细考虑颏下静脉或与神经和颌下管相关的静脉的走行模式。
There is little anatomical evidence about the venous plexus in the floor of the oral cavity, although venous injury can elicit late postoperative bleeding after oral surgery and it is difficult to identify the exact location of such an injury. The aim of this study was to assess the relative risk for venous injury during surgery. We investigated the course patterns of the venous plexus in the floor of the oral cavity and analyzed their relationships to those of the arteries using 23 human cadavers (41 halves) in the anatomy course at Niigata University during 2016–2018. The venous plexus in the floor of the oral cavity comprised the perforating submental vein, the vena comitans of the hypoglossal nerve, the vena comitans of the submandibular duct, the vena comitans of the lingual nerve, the sublingual vein, and the deep lingual vein. Individual variations of this plexus include duplications or absences of some veins. There is a high incidence of a submental branch running above the mylohyoid or perforating submental artery in the sublingual fossa among individuals with the perforating submental vein piercing the mylohyoid muscle, whereas the sublingual artery has a high incidence there when there is no perforating submental vein. The course patterns of arteries in the floor of the oral cavity can be predicted by estimating the course patterns of the submental veins. The course patterns of the submental veins or veins associated with the nerves and submandibular duct need to be carefully considered during surgery.
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