Key result
Radial-to-femoral pressure gradient occurs in at least one-third to one-half of patients during cardiopulmonary bypass and may persist into the postoperative period.
Radial-to-femoral pressure gradients occur in up to half of patients during cardiopulmonary bypass, highlighting the importance of proper hemodynamic monitoring.
Among many other data points, proper hemodynamic monitoring during cardiopulmonary bypass is crucial because surgeons, anesthesiologists, and perfusionists rely on this data to make informed decisions on intraoperative patient management. Radial-to-femoral pressure gradient (RFPG) is defined as ≥25 mm Hg systolic or ≥10 mm Hg mean arterial pressure difference in radial and femoral pressures for a minimum of 5 consecutive minutes.1 It occurs in at least one-third to one-half of patients during cardiopulmonary bypass and may persist into the postoperative period.
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Wisniewski et al. (2021) conducted an editorial in Cardiac surgery. Femoral arterial catheters was evaluated. Radial-to-femoral pressure gradient occurs in at least one-third to one-half of patients during cardiopulmonary bypass and may persist into the postoperative period.
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