Pressure difference between radial and femoral artery pressure in minimally invasive cardiac surgery using retrograde perfusion

The International Journal of Artificial Organs
Yoshitsugu NakamuraMiho Kuroda

Abstract

To investigate whether radial artery pressure is a reliable surrogate measure of central arterial pressure as approximated by femoral artery pressure in minimally invasive cardiac surgery with retrograde perfusion via femoral cannulation. Fifty-two consecutive patients undergoing minimally invasive cardiac surgery were prospectively included in this study. Cardiopulmonary bypass was established via a femoral artery cannulation and femoral vein. Radial and femoral arterial pressures were recorded continuously, and the pressure differential between them was calculated for both systolic and mean arterial pressures. The agreement between measurements from the two arteries was compared using Bland-Altman plots. An interval of 95% limits of agreement of less than 20 mm Hg was set as satisfactory agreement. Average age was 65 ± 14 years. With respect to systolic arterial pressure, 28 patients (54%) had a peak pressure differential between radial and femoral arteries ⩾20 mm Hg. With respect to mean arterial pressure, only five patients (9%) had a peak pressure differential ⩾20 mm Hg. The pressure differential changed with time. Pressure differential in systolic arterial pressure was 5 ± 8 mm Hg until aortic declamping, then increased t...Continue Reading

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Citations

Oct 18, 2019·Innovations : Technology and Techniques in Cardiothoracic and Vascular Surgery·Hiroyuki NakajimaAtsushi Iguchi
Sep 7, 2019·Blood Pressure Monitoring·Milan HromádkaJitka Seidlerová

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