Abstract
This report characterizes renal dysfunction after total cavopulmonary (TCPC) revision surgery for atriopulmonary Fontan (APF) circulations, a known risk factor for a poor outcome. The perioperative data for 23 consecutively identified patients were reviewed. The preoperative mean glomerular filtration rate (GFR) was 101 ± 30 ml/min/1.73 m2, decreasing to 65 ± 41 ml/min/1.73 m2 early in the postoperative period. The preoperative GFR was highly correlated with age at APF (r = −0.5; p = 0.024), age at TCPC (r = −0.5; p = 0.01), and mixed venous saturation (r = 0.6; p = 0.01). Three of four patients requiring renal replacement therapy (RRT) died at a median age of 3 months (range, 18 days to 9 months). Determinants of early GFR and RRT were preoperative GFR (p = 0.016) and creatinine (p = 0.035). Younger age at primary Fontan (p = 0.008), higher preoperative mixed venous saturation (p = 0.019), and higher preoperative blood pressure (p = 0.006) independently predicted better GFRs at the latest follow-up evaluation. Renal function declines acutely after TCPC revision, often necessitating RRT. A requirement for RRT marks greater mortality. Higher preoperative creatinine levels identify those at greatest risk.
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Sammour, F., Haw, M., Paisey, J. et al. Renal Function of Patients with a Failing Fontan Circuit Undergoing Total Cavopulmonary Revision Surgery. Pediatr Cardiol 30, 282–288 (2009). https://doi.org/10.1007/s00246-008-9344-7
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DOI: https://doi.org/10.1007/s00246-008-9344-7