A Study of Noninvasive Hemoglobin Monitoring in Pediatric Patients Undergoing Orthopedic Surgery


About this study

The purposes of this study are to validate noninvasive hemoglobin monitoring in postoperative orthopedic pediatric patients, to evaluate patient, parent, and provider preference of noninvasive hemoglobin monitoring compared to invasive blood draw, and to evaluate cost effectiveness of noninvasive monitoring in comparison to invasive blood draws.

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. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Male and female, up to 17 years of age.
  • Weight over 3 kilograms.
  • Children undergoing major orthopedic surgery which includes spine surgery, hip and femur reconstruction and osteotomy and lower extremity osteotomies.
  • Children undergoing routine postoperative hemoglobin monitoring.

Exclusion Criteria: 

  • Weight under 3 kilograms.
  • Minor surgeries.
  • Children not undergoing routine postoperative hemoglobin monitoring.
  • Children who do not have exposed fingers or toes because of injuries, wound dressings or congenital anomalies.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Todd Milbrandt, M.D.

Open for enrollment

Contact information:

Smitha Mathew M.B.B.S.



More information


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