HemoSphere Alta Study

Inclusion Criteria

• •1. Signed informed consent
• •2. Age ≥ 18 years
• •3. Planned monitoring with a pulmonary artery catheter
• •4. Patient scheduled to undergo cardiac or liver transplant surgery lasting \> 2 hours
• •5. Additional criteria for Sub-Cohort A (RVF)
• •1. Possible Right Ventricular Dysfunction/Failure based on pre-operative assessment of previous Transthoracic Echocardiogram (TTE)
• •2. Planned Transesophageal Echocardiogram (TEE) assessment during the operative procedure
• •6. Additional criteria for Sub-Cohort B (CAI)
• •1. Age ≥ 45 years
• •2. Planned cardiac surgery with Cardiopulmonary Bypass (CPB)
• •3. Ability to place ForeSight IQ and Acumen IQ sensors during the operative monitoring period
• •4. High risk for cerebral vascular disease, defined as: a history of hypertension, pulse pressure \> 60 mmHg, diabetes, stroke, transient ischemic attack, carotid bruit, tobacco smoking, or peripheral vascular disease