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      The Prometheus ® Device for Extracorporeal Support of Combined Liver and Renal Failure

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          Background/Aims: Prometheus<sup>®</sup> is a newly developed extracorporeal liver support system that combines removal of albumin-bound substances (adsorption on resin adsorbers) and water-soluble substances (diffusion during high-flux hemodialysis). Therefore, it is a promising treatment option for patients with hepatorenal syndrome (HRS). Methods: We studied 10 patients with HRS in a prospective clinical study. All patients underwent 2 consecutive Prometheus treatments. A variety of clinical and biochemical parameters were assessed. Results: Prometheus treatment was uncomplicated and safe. A statistically significant improvement of serum creatinine and urea concentrations as well as blood pH was observed after Prometheus treatment. Furthermore, liver detoxification was supported by a significant decrease of serum levels of conjugated bilirubin, bile acids and ammonia. Conclusions: Prometheus is a safe treatment for patients with HRS. Both, albumin-bound and water-soluble substances were effectively removed. Controlled studies will evaluate the effect of this new treatment option on survival in patients with HRS.

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          Most cited references 11

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          Definition and diagnostic criteria of refractory ascites and hepatorenal syndrome in cirrhosis. International Ascites Club.

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            Hepatorenal syndrome.

            Hepatorenal syndrome (HRS) is a common complication of advanced cirrhosis, characterised by renal failure and major disturbances in circulatory function. Renal failure is caused by intense vasoconstriction of the renal circulation. The syndrome is probably the final consequence of extreme underfilling of the arterial circulation secondary to arterial vasodilatation in the splanchnic vascular bed. As well as the renal circulation, most extrasplanchnic vascular beds are vasoconstricted. The diagnosis of HRS is currently based on the exclusion of other causes of renal failure. The prognosis is very poor, particularly when there is rapidly progressive renal failure (type 1). Liver transplantation is the best option in patients without contraindications to the procedure, but it is not always possible owing to the short survival expectancy. Therapies introduced during the past few years, such as vasoconstrictor drugs (vasopressin analogues, alpha-adrenergic agonists) or the transjugular intrahepatic portosystemic shunt, are effective in improving renal function. Nevertheless, liver transplantation should still be done in suitable patients even after improvement of renal function because the outcome of HRS is poor. Finally, recent findings suggest that the risk of developing HRS in the setting of spontaneous bacterial peritonitis may be reduced by the administration of albumin together with antibiotic therapy, and that of HRS occurring in severe alcoholic hepatitis can be lowered by administration of pentoxifylline. Although these findings need to be confirmed, these two strategies represent innovative approaches to lower the frequency of HRS in clinical practice.
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              Improvement of hepatorenal syndrome with extracorporeal albumin dialysis mars: Results of a prospective, randomized, controlled clinical trial


                Author and article information

                Blood Purif
                Blood Purification
                S. Karger AG
                September 2005
                04 October 2005
                : 23
                : 4
                : 298-302
                aDivision of Gastroenterology, Hepatology and Endocrinology, and bDivision of Nephrology, Department of Internal Medicine, Medical School Hannover, Hannover, Germany
                86552 Blood Purif 2005;23:298–302
                © 2005 S. Karger AG, Basel

                Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

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                Figures: 2, Tables: 1, References: 19, Pages: 5
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