Mixed Venous Oxygen Saturation Management After Aortic Valve Replacement

Integration with Standard Post-AVR Care

• The American College of Cardiology recommends following standard post-AVR monitoring guidelines, including telemetry, vital signs, and volume status, and coordinating SvO₂ monitoring with assessment of left ventricular function, as LV systolic function is a critical determinant of survival after AVR 2, 3, 4
• The American College of Cardiology suggests monitoring for complications, including bleeding, arrhythmias, and conduction abnormalities that may affect oxygen delivery, and intensive monitoring during the first 30 days when procedural complications are most likely 5, 6, 7
• Baseline echocardiography should be obtained before discharge and at 30 days to assess valve function and ventricular recovery, according to the American College of Cardiology guidelines 5, 8
• Care should be transferred to a primary cardiologist after 30 days with follow-up at 6 months and annually, as recommended by the American College of Cardiology 5, 7

Monitoring Technique

• Drawing arterial blood gases from the right radial artery is recommended, as it best represents cerebral perfusion in the context of potential differential oxygenation 1