A Retrospective Study of Surgical Correction for Spinal Deformity with and without Osteotomy to Compare Outcome Using Intraoperative Neurophysiological Monitoring with Evoked Potentials

14 August 2020 : Clinical Research

Jian Chen^DEF, Jing-fan Yang^BCF, Yao-long Deng^BCF, Xie-xiang Shao^BCD, Zi-fang Huang^ABCDE, Jun-lin Yang^FG

DOI: 10.12659/MSM.925371

Med Sci Monit 2020; 26:e925371

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Table 4 Data of intraoperative evoked potential events and outcomes in the non-osteotomy group.

Case	Group	Gender	Age	Blood loss (mL)	EP events	Intraoperative management	Postoperative spinal cord function	Nerve injury outcome	Complication
1	A1	Female	10	340	SSEP+MEP change at pedicle screw insertion	Recovery after removing screw and lifting blood pressure	Frankel grade E	Frankel grade E	None
2	A1	Female	12	100	MEP change at pedicle screw insertion	Recovery after removing screw and lifting blood pressure	Frankel grade E	Frankel grade E	None
3	A1	Female	11	370	MEP change at correction	Recovery after reducing correction	Frankel grade E	Frankel grade E	None
4	A2	Female	13	600	SSEP change at correction	Recovery after reducing correction	Frankel grade E	Frankel grade E	None
EP – evoked potential; MEP – motor evoked potential; SSEP – somatosensory evoked potentials; DNEP – descending neurogenic evoked potentials.

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