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  • Title: Evaluation of the inferior vena cava in potential pediatric renal transplant recipients.
    Author: Yata N, Nakanishi K, Uemura S, Ishikura K, Hataya H, Ikeda M, Honda M, Yoshikawa N.
    Journal: Pediatr Nephrol; 2004 Sep; 19(9):1062-4. PubMed ID: 15206028.
    Abstract:
    Vascular anomalies due to occlusion or thrombosis of the inferior vena cava (IVC) may be hazardous to renal transplantation, and preoperative vascular evaluation is important for safe and successful surgery. The purpose of this study was to assess the utility and accuracy of two-dimensional time-of-flight (2D-TOF) magnetic resonance venography (MRV) as an alternative to conventional angiography for evaluating the IVC and iliac vein in potential pediatric renal transplant recipients. Four children with chronic renal failure were evaluated with 2D-TOF MRV by superior presaturation pulse and target maximum intensity projection. The whole MRV examination and filming required less than 30 min. All four patients had a normal IVC and iliac vein. Two of the patients underwent renal transplantation, and the MRV findings were in total agreement with the final anatomy revealed intraoperatively. MRV is accurate for evaluating the condition of the IVC and iliac vein. It is a reliable, noninvasive and rapid technique that can be considered as an alternative to invasive angiography for evaluation of children scheduled for transplantation. We recommend the use of this noninvasive procedure to ascertain the patency of the IVC in all infants and children with a history of indwelling catheters in the IVC or those with a propensity to thrombosis, i.e., all recipients with nephrotic syndrome. The insertion of catheters in the femoral vein in children who may become candidates for renal transplantation should be discouraged.
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