期刊
NEUROSURGICAL FOCUS
卷 33, 期 5, 页码 -出版社
AMER ASSOC NEUROLOGICAL SURGEONS
DOI: 10.3171/2012.9.FOCUS12235
关键词
spine surgery; intraoperative neurophysiological monitoring; preoperative checklist; somatosensory evoked potential; motor evoked potential
资金
- Medtronic, Inc.
- AANS/CNS Spine Section (Apfelbaum Award)
- CNS Spine Fellowship
- Medtronic PS Medical
Spine surgery carries an inherent risk of damage to critical neural structures. Intraoperative neurophysiological monitoring (IONM) is frequently used to improve the safety of spine surgery by providing real-time assessment of neural structures at risk. Evidence-based guidelines for safe and efficacious use of IONM are lacking and its use is largely driven by surgeon preference and medicolegal issues. Due to this lack of standardization, the preoperative sign-in serves as a critical opportunity for 3-way discussion between the neurosurgeon, anesthesiologist, and neuromonitoring team regarding the necessity for and goals of IONM in the ensuing case. This analysis contains a review of commonly used IONM modalities including somatosensory evoked potentials, motor evoked potentials, spontaneous or free-running electromyography, triggered electromyography, and combined multimodal IONM. For each modality the methodology, interpretation, and reported sensitivity and specificity for neurological injury are addressed. This is followed by a discussion of important IONM-related issues to include in the preoperative checklist, including anesthetic protocol, warning criteria for possible neurological injury, and consideration of what steps to take in response to a positive alarm. The authors conclude with a cost-effectiveness analysis of IONM, and offer recommendations for IONM use during various forms of spine surgery, including both complex spine and minimally invasive procedures, as well as lower-risk spinal operations. (http://thejns.org/doi/abs/10.3171/2012.9.FOCUS12235)
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