A Study to Evaluate the Blood Test Thromboelastogram (TEG) to Manage Patients Undergoing Multi-level Spinal Fusion Surgery


  • Study type

  • Study IDs

  • Describes the nature of a clinical study. Types include:

    • Observational study — observes people and measures outcomes without affecting results.
    • Interventional study (clinical trial) — studies new tests, treatments, drugs, surgical procedures or devices.
    • Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best.
  • Site IRB
    • Scottsdale/Phoenix, Arizona: 17-006702
    NCT ID: NCT03999086
    Sponsor Protocol Number: 17-006702

About this study

The purpose of this study is to evaluate whether using a blood test called thromboelastogram (TEG) to manage patients undergoing multi-level spinal fusion surgery will reduce complications after surgery compared with the standard practices.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. If you need assistance understanding the eligibility criteria, please contact the study team.

Inclusion Criteria:

  • All patients undergoing elective multi-level spinal fusion for sagittal malalignment, multi-level spondylolisthesis, multi-level lumbar spinal stenosis, and adult degenerative scoliosis  
  • Ages between 18-89 

Exclusion Criteria:

  • Patients with tumor, infection, or trauma

Participating Mayo Clinic locations

Study statuses change often. Please contact us for help.

Mayo Clinic Location Status Contact

Scottsdale/Phoenix, Ariz.

Mayo Clinic principal investigator

Jamal McClendon, M.D.

Open for enrollment

Contact information:

Sejal Patel



More information


Publications are currently not available

Study Results Summary

Not yet available

Supplemental Study Information

Not yet available


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