Select IONM Publications & Presentations

Posters presented at the 2017 American Clinical Neurophysiology Society (ACNS) Annual Meeting:

  • Direct Brainstem Somatosensory Evoked Potentials (SSEP) for Vascular Malformations.
    Le S, Malvestio C, Varga J, Nguyen V, Cho SC, Lee L, Steinberg G, Lopez JR
  • Loss of Brainstem Auditory Evoked Potentials (BAEPs) with Topical Papaverine.
    Le S, Varga J, Jaffe R, Nguyen V, Cho SC, Lee L, Lopez JR, Dodd R
  • Successful Acquisition And Utility of Intraoperative Sensory Cutaneous Nerve Somatosensory Evoked Potentials (SSEPs) in the Surgical Management of Complex Peripheral Nerve Lesions.
    Lee L, Lopez JR, Cho SC, Nguyen V, Le S, Kliot M
  • Wake-up test failure and new postoperative deficits predicted by persistent intraoperative neurophysiologic monitoring changes in scoliosis surgery.
    Nguyen V, Shen H, Brown N, Cho SC, Lee L, Le S, Lopez JR

Posters presented at the 2016 American Clinical Neurophysiology Society (ACNS) Annual Meeting:

  • Wake-up Test Failure and New Postoperative Deficits Predicted by Persistent Intraoperative Neurophysiologic Monitoring changes in Scoliosis Surgery
    Nguyen V, Shen H, Cho SC, Lee L, Le S, Lopez JR
  • The Methohexital Challenge: Delayed Loss of SSEPs and tcMEPs
    Bican O, Nguyen V, Cho SC, Lee L, Le S, Lopez JR
  • Fentanyl-Induced Suppression of Transcranial Motor Evoked Potentials (tcMEPs)
    Orhan Bican, MD; Jaime R. López, MD; S Charles Cho, MD; Viet Nguyen, MD; Scheherazade Le, MD; Leslie H. Lee, MD
  • Spinal StimulatorArtifact Contaminating Evoked Potential Signals in Intraoperative Neuromonitoring (IONM)
    Lakshminarayan G, Nguyen V, Cho SC, Lee L, Le S, Lopez JR
  • Intraoperative Neurophysiologic Changes Observed with the Lateral Interhemispheric Surgical Approach to Midline Lesions
    Leslie H. Lee, MD; Omar Choudhri, MD; Steven Chang, MD; Jaime R. López, MD
  • Novel Intraoperative Neurophysiologic Monitoring (IONM) Techniques during Thoracic Endovascular Aortic Repair (TEVAR) to Rapidly Assess Central Spinal Cord versus Peripheral Limb Ischemia
    Leslie H. Lee, MD; Jason T. Lee, MD; Eric Jones, CNIM/CLTM; S Charles Cho, MD; Viet Nguyen, MD; Scheherazade Le, MD; Jaime R. López, MD

Posters presented at the 2015 American Clinical Neurophysiology Society (ACNS) Annual Meeting:

  • Hemorrhagic Complications with Subdermal Needle Electrodes in Intraoperative Neurophysiologic Monitoring (IONM) of Endovascular Procedures
    Jones E, Cho SC, Le S, Lee L, Nguyen V, Lopez JR.
  • Balloon Test Occlusion with IONM & Exams for Surgical Planning
    Nguyen V, Morales D, Cho SC, Lee L, Le S, Lopez JR.
  • IONM of Cranial Nerves Using EMG Hookwire Electrodes
    Avila S, Lopez JR, Cho SC, Lee L, Le S, Nguyen V.

Posters presented at the 2014 American Clinical Neurophysiology Society (ACNS) Annual Meeting:

  • IONM Utility in Altering Operative Management of Aneurysms.
    Ghavami F, Nguyen V, Le S, Lee L, Cho S, Steinberg G, Jaffe R, Marks M, Dodd R, Do H, Lopez J.
  • IONM Associated with Delayed Cerebral Ischemia and Infarct.
    Ghavami F, Nguyen V, Le S, Lee L, Cho S, Marks M, Lopez J.
  • Does IONM Cause Delays in Surgical Cases?
    Ghavami F, Nguyen V, Le S, Lee L, Cho S, Jaffe R, Steinberg G, Lopez J.

Posters presented at the 30th International Congress of Clinical Neurophysiology (ICCN) of the International Federation of Clinical Neurophysiology (IFCN):

  • Utility of Intraoperative Neurophysiologic Monitoring (IONM) in Altering Operative Management in the Endovascular and Surgical Treatment of Adult Cerebral Aneurysms
    Ghavami F, Nguyen V, Le S, Lee L, Cho S, Steinberg G, Jaffe R, Marks M, Dodd R, Do H, Lopez J.

Platform Presentations at the 2013 XV WFNS World Congress of Neurosurgery Meeting (September 2013) in Seoul, Korea:

  • Reversible Intraoperative Neurophysiologic Monitoring Changes Associated with Surgical Retraction.
    Lee L, Cho S, Nguyen V, Steinberg G, Chang S, Dodd R, Ryu S, López J.
  • Critical Intraoperative Neurophysiologic Monitoring Changes Associated with Patient Positioning Maneuvers.
    Lee L, Cho S, Nguyen V, Ratliff J, Park J, López, J. 
  • Positioning-Related Neurophysiologic Changes during Spine Surgeries.
    Lai D, Lee L, Ratliff J, Park J, Mindea S, Cheng I, Alamin T, Steinberg G, López J.

Select Publications

Retrospective Waveform Analysis of Transcranial Motor Evoked Potentials (MEP) to Identify Early Predictors of Impending Motor Deficits in Spinal Surgeries.
Le S, Nguyen V, Ekwueme A, Cho SC, Lee L, López J.  The Neurodiagnostic Journal, 2017; 57: 53–68.

Fentanyl-induced suppression of transcranial Motor Evoked Potentials (tcMEPs).
Bican, O., López, J., Cho, S. C., Nguyen, V., Le, S., Lee, L.  Anaesthesia Cases, 2016; 0241.

Nguyen V, Jones E. Chapter 13: Peripheral Nerve Surgery. In: Husain AM, ed. Neurophysiologic Intraoperative Monitoring, Demos Medical; 2nd edition, 2015.

Nguyen V, Lopez JR.  Chapter 242: Neuromonitoring: EMG, SSEP and MEP. In: Nader R, Berta SC, Gragnaniello G, Sabbagh AJ, Levy ML, eds. Neurosurgery Tricks of the Trade: Spine and Peripheral Nerves, Thieme, 4/2014.

Critical Role of Intraoperative Neurophysiologic Monitoring (IONM) in the Early Detection of Cerebrovascular Ischemia: Case Report from the Endovascular Suite. 
Jones E, Sigmon D, Do H, López J, Nguyen V, Lee, L.  Poster presentation at 2013 ASET Neurodiagnostic Society Meeting in Reno, NV.

Detection of inferolateral trunk syndrome by neuromonitoring during catheter angiography with provocative testing.
Le S, Dodd R, López J, Nguyen V, Cho SC, Lee L., J Neurointerv Surg. 2013; 5 (2): e8
PubMedID: 22345146

Evidence-based guideline update: intraoperative spinal monitoring with somatosensory and transcranial electrical motor evoked potentials.
Nuwer MR, Emerson RG, Galloway G, Legatt AD, Lopez J, Minahan R, Yamada T, Goodin DS, Armon C, Chaudhry V, Gronseth GS, Harden CL. J Clin Neurophysiol. 2012; 29 (1): 101-8

Neurophysiologic intraoperative monitoring of the oculomotor, trochlear, and abducens nerves.
López JR, J Clin Neurophysiol. 2011; 28 (6): 543-50