Association of postoperative haemodynamic parameters with progression of left atrioventricular regurgitation in infants: leveraging high-fidelity data: a hypothesis-generating study.

Haemodynamic parameters significantly correlated with worse left atrioventricular valve regurgitation were increased mean arterial blood pressure, increased blood pressure variability, and decreased cerebral and renal near-infrared spectroscopy.

Of note, blood pressure variability had a greater association with worsening left atrioventricular valve regurgitation when compared to absolute mean arterial blood pressure.