Dose Responsiveness as a Measure of Clinical Effectiveness During Neuromonitored Spine Surgery

Study Purpose

Intraoperative Neuromonitoring (IONM) is a tool used by neurophysiologists during spine surgery to prevent irreversible damage to the spinal cord during procedures through a system of alerts. This study investigates the effectiveness of IONM in 300 participants receiving spine surgery. The goal of this study is to refine the alert criteria for procedures in which IONM is used.

Recruitment Criteria

Accepts Healthy Volunteers Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms	No
Study Type An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes. An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes. Searching Both is inclusive of interventional and observational studies.	Observational
Eligible Ages	18 Years and Over
Gender	All

More Inclusion & Exclusion Criteria

Inclusion Criteria:

- Must be 18+ years old.

- Patients must be undergoing cervical and/or thoracic spine surgical procedure at Abbott Northwestern Hospital in Minneapolis, MN.

Exclusion Criteria:

- Patients who are non-English speakers.

- Patients with ongoing psychiatric concerns are excluded.

- Patients unwilling to be contacted for a 6-month follow-up

Trial Details

Trial ID: This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.	NCT05110833
Phase Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans. Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data. Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs. Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.
Lead Sponsor The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.	Allina Health System
Principal Investigator The person who is responsible for the scientific and technical direction of the entire clinical study.	Stanley A Skinner, MD
Principal Investigator Affiliation	Allina Health
Agency Class Category of organization(s) involved as sponsor (and collaborator) supporting the trial.	Other
Overall Status	Enrolling by invitation
Countries	United States
Conditions The disease, disorder, syndrome, illness, or injury that is being studied.	Intervertebral Disc Degeneration, Intervertebral Disc Displacement, Spinal Curvatures, Spinal Stenosis, Spondylitis, Spondylosis

Additional Details

Intraoperative neurophysiological monitoring (IONM) measures neural function and integrity during surgical procedures. Through IONM, neurodiagnostic procedures can help determine whether any nerves have become compressed or if the brain or spinal cord has any reduced vascular flow, allowing the surgical team to take immediate and corrective actions to prevent a bad outcome. Essentially, IONM acts as an early warning system for surgeons to gain reliable insight into a patient's condition during surgery, adding a layer of safety to the measures already in place that monitor cardiac and respiratory function while a patient is anesthetized. We propose an observational research study to enhance the evidence-base for IONM. A novel prospective neuromonitoring database will be implemented. In addition to the usual contingency data to assess prediction accuracy, other measures will be examined: 1. A "dose effect of injury" assessment. Three categories of injury will be recorded by physicians: (a) No New Deficit; (b) New Minor Deficit; and (c) New Severe Deficit. 2. The outcome effect of intraoperative test frequency will be evaluated (infrequent vs.#46; average vs.#46;very frequent), leading to a "dose effect of neuromonitoring" assessment. Here we hypothesize that within our prospective sample, there is a relationship between the proportion of total new neurological deficits (New Minor Deficit + New Severe Deficit) and the frequency of IONM testing. More frequent testing is associated with fewer total new neurological deficits. 3. Patient reported outcomes will be evaluated longitudinally in conjunction with clinical outcomes data. Patient interviews will be conducted by a trained research assistant aided by department technologists. Patient-reported neurological outcome assessments will be supplemented/confirmed by review of in- and outpatient surgical/neurophysiologist physician chart notes. Data from this proposed observational study will allow real-life outcomes based improvement in the field of IONM.

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Abbott Northwestern Hospital, Minneapolis, Minnesota

Status

Address

Abbott Northwestern Hospital

Minneapolis, Minnesota, 55447

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