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Background: Independent studies provide evidence that low volume pediatric solid organ transplant centers have inferior outcomes compared to high volume pediatric centers. The study assessed whether patients treated at low volume pediatric centers have access to higher volume pediatric centers, which offer potentially better outcomes., Methods: We analyzed center specific data on 467 pediatric solid organ transplant centers in the U.S using the Organ Procurement and Transplantation Network database from 2002 to 2014. The proximities of low volume pediatric centers to high volume pediatric centers were determined using Maptive, a tool based on Google Maps., Results: Most low volume pediatric transplant centers focused on transplantation of adults (84% heart, 83% liver, and 93% kidney programs). A majority of low volume pediatric centers (77% for heart, 53% for lung, 68% for liver and 90% for kidney) were within 150 miles of high volume centers. Among all children listed for transplantation, 30.7% were listed in low volume pediatric centers. Most low volume pediatric centers are adult focused and near high volume pediatric centers., Conclusion: We need greater scrutiny of outcomes, particularly waitlist outcomes, of low volume pediatric solid organ transplant centers located close to high volume pediatric solid organ transplant centers., Type of Study and Level of Evidence: Retrospective Comparative Study, Level III., (Copyright © 2019 Elsevier Inc. All rights reserved.)

Background: The aim of this study is to describe the incidence and impact of reoperation following pediatric liver transplantation, as well as the indications and risk factors for these complications., Methods: All primary pediatric liver transplants performed at our institution between January 2012 and September 2016 were reviewed. A reoperative complication was defined as a complication requiring return to the operating room within 30 days or the same hospital admission as the transplant operation, excluding retransplantation., Results: Among the 144 pediatric liver transplants performed during the study period, 9% of the recipients required reoperation. The most common indications for reoperation were bleeding and bowel complications. There was no significant difference in the graft survival of patients with a reoperation and those without a reoperation (p = 0.780), but patients with a reoperation had a significantly longer hospital length of stay (median of 39 days vs. 11 days, p = 0.001). Variant donor arterial anatomy, transplant operative time, intraoperative blood loss, transfusion volume of packed red blood cells or cell saver per weight, and transfusion with fresh frozen plasma, platelets, or cryoprecipitate were significantly associated with reoperation upon univariable logistic regression, but none of these risk factors remained statistically significant upon multivariable regression., Conclusion: At our institution, reoperation did not significantly impact graft survival. We identified variant donor arterial anatomy, transplant operative time, intraoperative blood loss, transfusion volume of packed red blood cells or cell saver per weight, and transfusion with fresh frozen plasma, platelets, or cryoprecipitate as risk factors for reoperation, although none of these risk factors demonstrated independent association with reoperation in a multivariable model., Type of Study: Prognosis Study., Level of Evidence: Level III., (Copyright © 2018 Elsevier Inc. All rights reserved.)

Hepatic hemangioendothelioma (HHE) is a rare vascular tumor in neonates and may cause high-output cardiac failure and coagulopathy, and rarely has been associated with hypothyroidism. Hepatic hemangioendothelioma treatment options consist of corticosteroids, alpha-interferon, surgical resection, and liver transplantation. Herein, we report the case of a 6-week-old female neonate that presented with an HHE that involved all segments of the liver, resulting in respiratory failure and severe hypothyroidism that was recalcitrant to exogenous L-thyroxine therapy. After failure of medical and supportive therapy for the HHE, the patient underwent a cadaveric orthotopic liver transplantation that resulted in successful treatment of the severe hypothyroidism, respiratory failure, and cardiac symptoms. The patient is currently 1-year posttransplantation and disease free with normal thyroid function.