ATL = atlas ATL=寰椎
AX = axis AX =枢椎
SP = spinous process of axis 枢椎棘突
TP = transverse process of atlas 寰椎横突
White rectangle = transducer position 白色矩形=探头放置位置
彩色多普勒显示椎动脉位于背根神经节外侧,OCIM(头下斜肌)附着于横突的下方
DRG = the second dorsal root ganglion 第二背根神经节
OCIM = obliquus capitis inferior muscle 头下斜肌
TP = transverse process of atlas 寰椎横突
VA = vertebral artery 椎动脉
注意,椎动脉(在彩色多普勒为蓝色血流,由于超声探头角度引起)是OCIM的前方。
局麻药在头半棘肌与头下斜肌平面内扩散(超声引导神经阻滞的果皮果肉理论,即在两层不同的果皮之间扩散)
LA = local anesthetic 局麻药
OCIM = obliquus capitis inferior muscle 头下斜肌
SsCM = semispinalis capitis muscle 头半棘肌
枕大神经参考文献:
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枕大神经阻滞文章出处: http://www.usra.ca/pain-medicine/specific-blocks/head-neck/gon.php