Endoscopic transnasal approach for repairing anterior skull base cerbrospinal fluid rhinorrhea and meningoencephalocele: preliminary experience of using fat bath-plug technique
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摘要: 目的:总结经鼻径路内镜下脂肪压塞技术修补前颅底脑膜脑膨出和脑脊液鼻漏的初步经验。方法:接受经鼻内镜下脂肪压塞技术修补外伤性脑膜脑膨出患者1例,脑脊液鼻漏患者5例(外伤性1例,自发性4例);对术前和术中定位、手术过程、围手术期症状和随访情况等进行分析。结果:患者术前均经螺旋CT和MRI检查,6例术前均初步判定瘘孔位置,术中发现的瘘孔位置与术前影像定位一致;6例脑脊液鼻漏均一次修补成功;术后7d均无发热、无颅内感染征象;术后7d鼻腔填塞碘仿纱条出院,术后3~4周彻底清理鼻腔填充物,术后3、6个月内镜随访显示黏膜上皮化好;术后3年电话随访均无再漏、无颅内感染发生。结论:鼻内镜下脂肪压塞技术是修补前颅底特别是筛顶区域小型硬脑膜瘘孔的一种简便、安全的手术方式。Abstract: Objective:To summary the preliminary experience of fat bath-plug technique in endoscopic transnasal approach for repairing anterior skull base cerbrospinal fluid rhinorrhea(CSF) and meningoencephalocele.Method:Using fat bath-plug techique repair 1 case meningoencephalocele(traumatic) and 5 cases cerbrospinal fluid rhinorrhea(1 traumatic,4 spontaneous).The analysis index included: preoperative localization,intraoperative position,surgical procedures,perioperative symptoms,follow-up,etc.Result:CT and MRI techniques were used for location of the fistula preoperative.The location of the fistulas were explorationed during the operation and were consist with the imaging studies.All 6 fistulas were repaired during the first operation.No fever and no intracranial infection occurred postoperatively.All the patients discharged 7 days postoperatively with an iodoform nasal packing.Three to 4 weeks later the patients were reviewed to clean up the nasal cavity.All patients were recovered well with good epithelial mucosa in the 3 and 6 months endoscopic follow-ups.No CSF leak and intracranial infection happened in the 3-year telephone follow-up.Conclusion:The fat bath-plug technique in endoscopic transnasal approach for repairing anterior skull base small fistula,especially in cribriform ethmoid roof,is effective,safe and simple.
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Key words:
- endoscopy /
- cerebrospinal fluid rhinorrhea /
- meningoencephalocele /
- anterior skull base /
- fat tissue
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