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Liu K, Ma C, Li D, Li H, Dong X, Liu B, Yu Y, Fan Y, Song H. The role of intraoperative neurophysiological monitoring in intramedullary spinal cord tumor surgery. Chin Neurosurg J 2023; 9:33. [PMID: 38031178 PMCID: PMC10685460 DOI: 10.1186/s41016-023-00348-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 11/07/2023] [Indexed: 12/01/2023] Open
Abstract
Intramedullary tumors are a class of central nervous system tumors with an incidence of 2 to 4%. As they are located very deep and frequently cause postoperative neurological complications, surgical resection is difficult. In recent years, many surgeons have performed electrophysiological monitoring to effectively reduce the occurrence of postoperative neurological complications. Modern electrophysiological monitoring technology has advanced considerably, leading to the development of many monitoring methods, such as SSEPs, MEPs, DCM, and EMG, to monitor intramedullary tumors. However, electrophysiological monitoring in tumor resection is still being studied. In this article, we discussed the different monitoring methods and their role in monitoring intramedullary tumors by reviewing previous studies. Intratumorally tumors need to be monitored for a summary of the condition of the patient. Only by using various monitoring methods flexibly and through clear communication between surgeons and neurophysiological experts can good decisions be made during surgery and positive surgical results be achieved.
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Affiliation(s)
- Kai Liu
- Department of Neurosurgery, Bethune First Hospital of Jilin University, Changchun, Jilin, China
| | - Chengyuan Ma
- Department of Neurosurgery, Bethune First Hospital of Jilin University, Changchun, Jilin, China
| | - Dapeng Li
- Department of Neurosurgery, Bethune First Hospital of Jilin University, Changchun, Jilin, China
| | - Haisong Li
- Department of Neurosurgery, Bethune First Hospital of Jilin University, Changchun, Jilin, China
| | - Xuechao Dong
- Department of Neurosurgery, Bethune First Hospital of Jilin University, Changchun, Jilin, China
| | - Bo Liu
- Department of Neurosurgery, Bethune First Hospital of Jilin University, Changchun, Jilin, China
| | - Ying Yu
- Department of Neurosurgery, Bethune First Hospital of Jilin University, Changchun, Jilin, China
| | - Yuxiang Fan
- Department of Neurosurgery, Bethune First Hospital of Jilin University, Changchun, Jilin, China
| | - Hongmei Song
- Department of Neurosurgery, Bethune First Hospital of Jilin University, Changchun, Jilin, China.
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Ando M, Tamaki T, Yoshida M, Kawakami M, Kubota S, Nakagawa Y, Iwasaki H, Tsutsui S, Yamada H. Intraoperative spinal cord monitoring using combined motor and sensory evoked potentials recorded from the spinal cord during surgery for intramedullary spinal cord tumor. Clin Neurol Neurosurg 2015; 133:18-23. [DOI: 10.1016/j.clineuro.2015.03.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 02/28/2015] [Accepted: 03/05/2015] [Indexed: 10/23/2022]
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Ji Y, Meng B, Yuan C, Yang H, Zou J. Monitoring somatosensory evoked potentials in spinal cord ischemia-reperfusion injury. Neural Regen Res 2013; 8:3087-94. [PMID: 25206629 PMCID: PMC4158706 DOI: 10.3969/j.issn.1673-5374.2013.33.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Accepted: 09/27/2013] [Indexed: 11/26/2022] Open
Abstract
It remains unclear whether spinal cord ischemia-reperfusion injury caused by ischemia and other non-mechanical factors can be monitored by somatosensory evoked potentials. Therefore, we monitored spinal cord ischemia-reperfusion injury in rabbits using somatosensory evoked potential detection technology. The results showed that the somatosensory evoked potential latency was significantly prolonged and the amplitude significantly reduced until it disappeared during the period of spinal cord ischemia. After reperfusion for 30–180 minutes, the amplitude and latency began to gradually recover; at 360 minutes of reperfusion, the latency showed no significant difference compared with the pre-ischemic value, while the somatosensory evoked potential amplitude in-creased, and severe hindlimb motor dysfunctions were detected. Experimental findings suggest that changes in somatosensory evoked potential latency can reflect the degree of spinal cord ischemic injury, while the amplitude variations are indicators of the late spinal cord reperfusion injury, which provide evidence for the assessment of limb motor function and avoid iatrogenic spinal cord injury.
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Affiliation(s)
- Yiming Ji
- Department of Orthopedic Surgery, the First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu Province, China
| | - Bin Meng
- Department of Orthopedic Surgery, the First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu Province, China
| | - Chenxi Yuan
- Department of Orthopedic Surgery, the First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu Province, China
| | - Huilin Yang
- Department of Orthopedic Surgery, the First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu Province, China
| | - Jun Zou
- Department of Orthopedic Surgery, the First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu Province, China
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