Zhonghua yi xue za zhi · 2008
[Intraoperative cranial nerves monitoring under partial neuromuscular relaxation during cerebellopontine angle tumor resection].
Аннотация на английскомСтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Zhang Jun, Yang Cheng, Gu Hua-hua, Liang Wei-min
Аннотация
OBJECTIVE: To evaluate the efficacy of multiple cranial nerves monitoring under partial Seventy elective neuromuscular relaxation during cerebellopontine angle (CPA) tumor resection.
METHODS: patients undergoing CPA tumor resection via microneurosurgery were randomly allocated to 2 equal groups: Group FN receiving intraoperative facial nerve (NF) monitoring and Group MN receiving monitoring of multiple nerves: trigeminal nerve, glossopharyngeal nerve, accessory nerve or hypoglossal nerve other than the FN which were considered at risk by the neurosurgeon preoperatively. The manipulation procedure were modified according to cranial nerves monitoring and neuromuscular relaxation was maintained at train of four stimulation (TOF)=3 by continuous vencronium infusion during the acoustic neuroma resection. The function of the cranial nerves monitored were evaluated preoperatively and 8 days postoperatively.
RESULTS: Discernable and legible images of electromyographic wave complex were obtained during cranial nerve mapping and monitoring under intraoperative partial neuromuscular relaxation form all the patients. The facial nerve function of 4 patients exacerbated (from H-B grade I-II to grade III-IV) in both groups, and one new glossopharyngeal nerve function deficiency was found in Group FN, and one new hypoglossal nerve function deficiency was found in Group MN postoperatively.
CONCLUSION: Intraoperative cranial nerves monitoring under partial neuromuscular relaxation is feasible. Multiple cranial nerves combined with facial nerve monitoring seems unable to increase the short-term protective effects of nerve function after CPA tumor resection.
METHODS: patients undergoing CPA tumor resection via microneurosurgery were randomly allocated to 2 equal groups: Group FN receiving intraoperative facial nerve (NF) monitoring and Group MN receiving monitoring of multiple nerves: trigeminal nerve, glossopharyngeal nerve, accessory nerve or hypoglossal nerve other than the FN which were considered at risk by the neurosurgeon preoperatively. The manipulation procedure were modified according to cranial nerves monitoring and neuromuscular relaxation was maintained at train of four stimulation (TOF)=3 by continuous vencronium infusion during the acoustic neuroma resection. The function of the cranial nerves monitored were evaluated preoperatively and 8 days postoperatively.
RESULTS: Discernable and legible images of electromyographic wave complex were obtained during cranial nerve mapping and monitoring under intraoperative partial neuromuscular relaxation form all the patients. The facial nerve function of 4 patients exacerbated (from H-B grade I-II to grade III-IV) in both groups, and one new glossopharyngeal nerve function deficiency was found in Group FN, and one new hypoglossal nerve function deficiency was found in Group MN postoperatively.
CONCLUSION: Intraoperative cranial nerves monitoring under partial neuromuscular relaxation is feasible. Multiple cranial nerves combined with facial nerve monitoring seems unable to increase the short-term protective effects of nerve function after CPA tumor resection.