• Don Hayes, Brent Adler, Tiffany L Turner, and Heidi M Mansour.
• Department of Pediatrics, The Ohio State University College of Medicine, Nationwide Children's Hospital, Columbus, Ohio. Electronic address: hayes.705@osu.edu.
• Pediatr. Neurol. 2014 Mar 1;50(3):272-5.

BackgroundNeurotoxicity is a significant complication of calcineurin inhibitor use, and posterior reversible encephalopathy syndrome has been reported. Limited data exist on the use of alternative immunosuppression regimens in the management of posterior reversible encephalopathy syndrome in transplant recipients.MethodsWe present the immunosuppression management strategy of a girl who underwent bilateral lung transplantation for cystic fibrosis 6 months earlier, then suddenly developed a grand mal seizure due to posterior reversible encephalopathy syndrome diagnosed by magnetic resonance imaging of the brain. In an effort to reduce her tacrolimus dose, an alternative immunosuppressant regimen combining tacrolimus and sirolimus was used.ResultsAfter the modification of her immunosuppressant regimen, there was rapid clinical improvement with no further seizures. Her brain findings had resolved on magnetic resonance imaging 2 months later. Over the next 6 months, allograft function remained stable and surveillance transbronchial biopsies found no allograft rejection on the combined sirolimus and tacrolimus therapy.ConclusionsTacrolimus-associated neurotoxicity resolved in a lung transplant recipient with a combined tacrolimus and sirolimus regimen. This combined therapy appears to be an effective alternative for lung transplant recipients that allow them to receive the benefits of both drugs but at lower doses, which reduces the risk for adverse effects.Copyright © 2014 Elsevier Inc. All rights reserved.

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