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.See eligibility criteria
- Age equal to or greater than 18 years of age.
- Scheduled to have cardiac bypass surgery at Mayo Clinic in Rochester, MN or Duke University Medical Center in Raleigh, NC
- At risk for needing at least 4 units of blood during/after surgery