Fan Hu1, Ye Gu2, Xiaobiao Zhang3, Tao Xie4, Yong Yu2, Chongjing Sun2, Wensheng Li4. 1. Department of Neurosurgery at Zhongshan Hospital, Fudan University, Shanghai, China; Shanghai Key Laboratory of Medical Image Computing and Computer Assisted Intervention, Shanghai, China. 2. Department of Neurosurgery at Zhongshan Hospital, Fudan University, Shanghai, China. 3. Department of Neurosurgery at Zhongshan Hospital, Fudan University, Shanghai, China; Shanghai Key Laboratory of Medical Image Computing and Computer Assisted Intervention, Shanghai, China. Electronic address: xiaobiao_zhang@163.com. 4. Department of Anatomy/Digital Medical Research Center, Shanghai Medical College, Fudan University, Shanghai, China.
Abstract
OBJECTIVE: To assess the efficacy of the combined use of a gasket seal closure and a vascularized pedicle nasoseptal flap (VP-NSF) multilayered reconstruction technique for high-flow cerebrospinal fluid (CSF) leaks resulting from endonasal endoscopic skull base surgery. METHODS: From October 2009-June 2011, a VP-NSF multilayered reconstruction technique was used (single technique group) for patients with intraoperative high-flow CSF leaks; from July 2011-February 2013, a combination of a gasket seal closure and a VP-NSF multilayered reconstruction technique was used (combined technique group). A lumbar drain was placed after the operation. The rates of postoperative CSF leaks and repair-related complications in the 2 groups were analyzed. RESULTS: The single technique group comprised 18 patients with a mean follow-up of 31.7 months; there were 5 postoperative CSF leaks (27.7%). The combined technique group comprised 15 patients with a mean follow-up of 13.6 months; no CSF leaks occurred (P < 0.05). The rate of intracranial infection in the single technique group was significantly higher than in the combined technique group. CONCLUSIONS: The combined use of a gasket seal closure and a VP-NSF multilayered reconstruction technique for high-flow CSF leaks after endonasal endoscopic skull base surgery may significantly reduce the rates of postoperative CSF leaks and intracranial infections. Lumbar drainage after the operation is a necessary auxiliary method.
OBJECTIVE: To assess the efficacy of the combined use of a gasket seal closure and a vascularized pedicle nasoseptal flap (VP-NSF) multilayered reconstruction technique for high-flow cerebrospinal fluid (CSF) leaks resulting from endonasal endoscopic skull base surgery. METHODS: From October 2009-June 2011, a VP-NSF multilayered reconstruction technique was used (single technique group) for patients with intraoperative high-flow CSF leaks; from July 2011-February 2013, a combination of a gasket seal closure and a VP-NSF multilayered reconstruction technique was used (combined technique group). A lumbar drain was placed after the operation. The rates of postoperative CSF leaks and repair-related complications in the 2 groups were analyzed. RESULTS: The single technique group comprised 18 patients with a mean follow-up of 31.7 months; there were 5 postoperative CSF leaks (27.7%). The combined technique group comprised 15 patients with a mean follow-up of 13.6 months; no CSF leaks occurred (P < 0.05). The rate of intracranial infection in the single technique group was significantly higher than in the combined technique group. CONCLUSIONS: The combined use of a gasket seal closure and a VP-NSF multilayered reconstruction technique for high-flow CSF leaks after endonasal endoscopic skull base surgery may significantly reduce the rates of postoperative CSF leaks and intracranial infections. Lumbar drainage after the operation is a necessary auxiliary method.
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