Use of near-infrared spectroscopy for estimation of renal oxygenation in children with heart disease |
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Authors: | Ortmann Laura A Fontenot Eudice E Seib Paul M Eble Brian K Brown Ross Bhutta Adnan T |
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Institution: | (1) Division of Critical Care, Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, USA;(2) Division of Cardiology, Department of Pediatrics, Arkansas Children’s Hospital, Little Rock, AR 72202, USA |
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Abstract: | We evaluated whether near-infrared spectroscopy (NIRS) measurement from the flank correlates with renal vein saturation in
children undergoing cardiac catheterization. Thirty-seven patients <18 years of age were studied. A NIRS sensor was placed
on the flank, and venous oxygen saturations were measured from the renal vein and the inferior vena cava (IVC). There was
a strong correlation between flank NIRS values (rSO2) and renal vein saturation (r = 0.821, p = 0.002) and IVC saturation (r = 0.638, p = 0.004) in children weighing ≤ 10 kg. In children weighing > 10 kg, there was no correlation between rSO2 and renal vein saturation (r = 0.158, p = 0.57) or IVC saturation (r = –0.107, p = 0.67). Regional tissue oxygenation as measured by flank NIRS correlates well with both renal vein and IVC oxygen saturations
in children weighing <10 kg undergoing cardiac catheterization, but not in larger children. |
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