Intraoperative Neurophysiological Monitoring for Intradural Extramedullary Spinal Tumours.

Autor: Baig Mirza, Asfand, Vastani, Amisha, Syrris, Christoforos, Boardman, Timothy, Ghani, Imran, Murphy, Christopher, Gebreyohanes, Axumawi, Vergani, Francesco, Mirallave-Pescador, Ana, Lavrador, Jose P., Kailaya Vasan, Ahilan, Grahovac, Gordan
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Zdroj: Global Spine Journal; May2024, Vol. 14 Issue 4, p1304-1315, 12p
Abstrakt: Study Design: Retrospective cohort study. Objectives: Intraoperative neurophysiological monitoring (IONM) is widely used in spinal neurosurgery, particularly for intramedullary tumours. However, its validity in intradural extramedullary (IDEM) spinal tumours is less clearly defined, this being the focus of this study. Methods: We compared outcomes for patients that underwent resection of IDEM tumours with and without IONM between 2010 and 2020. Primary outcomes were postoperative American Spinal Injury Association (ASIA) scores. Other factors assessed were use of intraoperative ultrasound, drain placement, postoperative complications, postoperative Eastern Cooperative Oncology Group (ECOG) score, extent of resection, length of hospital stay, discharge location and recurrence. Results: 163 patients were included, 71 patients in the IONM group and 92 in the non-IONM group. No significant differences were noted in baseline demographics. For preoperative ASIA D patients, 44.0% remained ASIA D and 49.9% improved to ASIA E in the IONM group, compared to 39.7% and 30.2% respectively in the non-IONM group. For preoperative ASIA E patients, 50.3% remained ASIA E and 44.0% deteriorated to ASIA D in the IONM group, compared to 30.2% and 39.7% respectively in the non-IONM group (all other patients deteriorated further). Length of inpatient stay was significantly shorter in the IONM group (P =.043). There were no significant differences in extent of resection, postoperative complications, discharge location or tumour recurrence. Conclusions: Research focusing on the use of IONM in IDEM tumour surgery remains scarce. Our study supports the use of IONM during surgical excision of IDEM tumours. [ABSTRACT FROM AUTHOR]
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