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14 August 2020: Clinical Research

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

Jian Chen 1DEF* , Jing-fan Yang 1BCF** , Yao-long Deng 1BCF* , Wen-yuan Sui 1EF , Xie-xiang Shao 1BCD , Zi-fang Huang 2ABCDE* , Jun-lin Yang 1FG

DOI: 10.12659/MSM.925371

Med Sci Monit 2020; 26:e925371

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

CaseGroupGenderAgeBlood loss (mL)EP eventsIntraoperative managementPostoperative spinal cord functionNerve injury outcomeComplication
1A1Female10340SSEP+MEP change at pedicle screw insertionRecovery after removing screw and lifting blood pressureFrankel grade EFrankel grade ENone
2A1Female12100MEP change at pedicle screw insertionRecovery after removing screw and lifting blood pressureFrankel grade EFrankel grade ENone
3A1Female11370MEP change at correctionRecovery after reducing correctionFrankel grade EFrankel grade ENone
4A2Female13600SSEP change at correctionRecovery after reducing correctionFrankel grade EFrankel grade ENone
EP – evoked potential; MEP – motor evoked potential; SSEP – somatosensory evoked potentials; DNEP – descending neurogenic evoked potentials.

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Medical Science Monitor Basic Research eISSN: 2325-4416
Medical Science Monitor Basic Research eISSN: 2325-4416