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Title: Pretransplant neurological presentation and severe posttransplant brain injury in patients with acute liver failure
Authors: Wen Fei Tan
Randolph H. Steadman
Douglas G. Farmer
Johnny C. Hong
Ronald W. Busuttil
Worapot Apinyachon
Victor W. Xia
David Geffen School of Medicine at UCLA
China Medical University Shenyang
Mahidol University
Keywords: Medicine
Issue Date: 15-Oct-2012
Citation: Transplantation. Vol.94, No.7 (2012), 768-774
Abstract: Background: Alterations in the central nervous system in patients with acute liver failure (ALF) present unique challenges in the perioperative period. In this retrospective study, we examined pretransplant neurological presentation and the incidence, clinical presentation, and risk factors associated with severe posttransplant brain injury (BI) in ALF patients undergoing orthotopic liver transplantation (OLT). Methods: After institutional review board approval, ALF patients who underwent OLT between 2004 and 2010 at our center were reviewed. Pretransplant neurological presentation and severe posttransplant BI were examined. Risk factors for the latter were identified. Results: During the study period, 90 (67 adults and 23 children) ALF patients underwent primary OLT. Preoperatively, all patients developed encephalopathy, 6 had seizure activity, 32 had radiological evidence of cerebral edema, and 11 had severe cerebral edema. After OLT, 7 patients developed severe posttransplant BI. Of these 7 patients, 4 had brain death, and 3 had irreversible injury that precluded them from living independently. Severe pretransplant cerebral edema and a higher posttransplant international normalized ratio (odds ratios and 95% confidence intervals: 50.2, 5.8-433.5 [P < 0.001] and 3.1, 1.1-8.8 [P=0.031] , respectively) were risk factors associated with severe posttransplant BI. Conclusions: Pretransplant neurological complications were prevalent, and severe posttransplant BI occurred at a rate of 7.8% and was significantly associated with severe pretransplant cerebral edema and postoperative international normalized ratio. Our findings support the use of pretransplant computed tomography. If severe pretransplant cerebral edema is confirmed, efforts should be made to aggressively control intracranial pressure and select a proper donor to minimize the risk of severe posttransplant BI and futile transplantation. © 2012 Lippincott Williams & Wilkins.
ISSN: 00411337
Appears in Collections:Scopus 2011-2015

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