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Research ArticleArticles

Demographic Trends in the Use of Intraoperative Neuromonitoring for Scoliosis Surgery in the United States

Remi M. Ajiboye, Howard Y. Park, Jeremiah R. Cohen, Evan E. Vellios, Elizabeth L. Lord, Adedayo O. Ashana, Zorica Buser and Jeffrey C. Wang
International Journal of Spine Surgery January 2017, 11 (5) 33; DOI: https://doi.org/10.14444/4033
Remi M. Ajiboye
1UCLA Medical Center, Department of Orthopaedic Surgery, Los Angeles, CA
MD
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Howard Y. Park
1UCLA Medical Center, Department of Orthopaedic Surgery, Los Angeles, CA
MD
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Jeremiah R. Cohen
1UCLA Medical Center, Department of Orthopaedic Surgery, Los Angeles, CA
BS
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Evan E. Vellios
1UCLA Medical Center, Department of Orthopaedic Surgery, Los Angeles, CA
MD
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Elizabeth L. Lord
1UCLA Medical Center, Department of Orthopaedic Surgery, Los Angeles, CA
MD
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Adedayo O. Ashana
1UCLA Medical Center, Department of Orthopaedic Surgery, Los Angeles, CA
MD
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Zorica Buser
2Keck Medicine of USC, Department of Orthopaedic Surgery, Los Angeles, CA
PhD
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Jeffrey C. Wang
2Keck Medicine of USC, Department of Orthopaedic Surgery, Los Angeles, CA
MD
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    Fig. 1

    Percentage of scoliosis surgery performed with neuromonitoring during the study period (2005-2011).

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    Table 1

    Demographic information of patients from 2005 to 2011.

    Total number of scoliosis surgery with neuromonitoringTotal number of scoliosis surgeryp-value
    Yearp < 0.0001
    200593345
    2006123445
    2007154512
    2008213563
    2009258686
    2010183386
    2011195416
    Agep = 0.006
    < 65255580
    65-693721002
    70-74337931
    75-79267741
    80-84113352
    >843088
    Genderp = 0.106
    Female9352542
    Male4211062
    Regionp < 0.0001
    Midwest336919
    Northeast231436
    South6401516
    West341852
    Total*13613618
    • ↵* Discrepancies between total value and summation of values in each group are attributed to the transfer of patients between subgroups.

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    Table 2

    Types of neuromonitoring modality used for scoliosis surgery.

    Unimodal neuromonitoring
    SSEP only169
    MEP only0
    EMG only313
    Multimodal neuromonitoring
    SSEP and MEP77
    SSEP and EMG509
    MEP and EMG11
    SSEP, MEP and EMG283
    Total*1361
    • ↵* Discrepancies between total value and summation of values in each group are attributed to the transfer of patients between subgroups.

    • View popup
    Table 3

    Risk of neurological injury after scoliosis surgery with and without neuromonitoring.

    With neuromonitoringWithout neuromonitoringp-value
    Risk of neurological injury24/1361 (1.8%)46/2257 (2.0%)0.561
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International Journal of Spine Surgery
Vol. 11, Issue 5
1 Jan 2017
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Demographic Trends in the Use of Intraoperative Neuromonitoring for Scoliosis Surgery in the United States
Remi M. Ajiboye, Howard Y. Park, Jeremiah R. Cohen, Evan E. Vellios, Elizabeth L. Lord, Adedayo O. Ashana, Zorica Buser, Jeffrey C. Wang
International Journal of Spine Surgery Jan 2017, 11 (5) 33; DOI: 10.14444/4033

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Demographic Trends in the Use of Intraoperative Neuromonitoring for Scoliosis Surgery in the United States
Remi M. Ajiboye, Howard Y. Park, Jeremiah R. Cohen, Evan E. Vellios, Elizabeth L. Lord, Adedayo O. Ashana, Zorica Buser, Jeffrey C. Wang
International Journal of Spine Surgery Jan 2017, 11 (5) 33; DOI: 10.14444/4033
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Keywords

  • scoliosis
  • neuromonitoring
  • motor-evoked potential
  • somatosensory evoked potential
  • electromyography

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