连头婴显微分离手术中静脉窦的处理及重建

目的 报道连头婴分离手术中有关静脉窦处理及重建方法与临床效果。方法 采用显微手术分离连头婴共用的矢状窦，窦汇，横窦及直窦，用转流管分别作右婴的矢状窦，直窦与颈内静脉转流术，以及应用人造血管移植进行重建，在手术中确保左婴有完整的矢状窦，窦汇及横窦。结果 左婴术后功能恢复正常，右婴术后22h死于肾衰竭，高钾血症。结论 应用显微外科手术进行静脉窦转流和重建是连头婴分离手术成功的关键技术之一。

Separation and reconstruction of the shared venous sinuses of craniopagus twins

Objective To explore the importance of the separation and reconstruction of the shared venous sinuses of a craniopagus twins Methods The shared superior sagittal sinus, confluence of sinuses, transverse sinus and straight sinus were separated using microsurgical techniques Meantime, one bypass was established from the superior sagittal sinus and the straight sinus to the internal jugular vein with help of the bypass shunt in twin B (right) The above mentioned sinuses were reconstructed with the artificial vessels The normal superior sagittal sinus and confluence of sinuses were preserved in the twin A (left) Results Twin A recovered with no nervous deficits Unfortunately, twin B died of renal failure and hyperkalemia 22 hours after the operation Conclusion The shunt and reconstruction of the venous sinus are the key techniques for the success of separation of craniopagus twins using the microsurgical techniques