Clinical Research Directory

Inclusion Criteria: * Age ≥18 years * Scheduled for elective cardiac surgical procedures, including: * Coronary artery bypass graft surgery (CABG) * Valve procedures * Aortic root procedures * Transcatheter aortic valve implantation (TAVI) * Hemoglobin \<12 g/dL and ≥10 g/dL on a complete blood count obtained at the Center for Perioperative Medicine pre operative visit * Evidence of iron deficiency * Able to provide informed consent * Able to understand spoken and written English Exclusion Criteria: * Scheduled for cardiac surgery requiring deep hypothermia or circulatory arrest * Undergoing heart transplantation or ventricular assist device placement * Lacking capacity to provide informed consent or unable to understand spoken and written English * Baseline hemoglobin \>12 g/dL or \<10 g/dL * Use of anticoagulant medications within 5 days of the Center for Perioperative Medicine visit, or planned initiation of anticoagulant therapy before surgery * History of hemoglobinopathy * History of hematologic malignancy * Bone marrow suppression from non nutritional causes * Vitamin B12 or folate deficiency * Known liver disease * Known kidney disease * Normal serum iron studies at baseline