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      Elevated Neutrophil Gelatinase-Associated Lipocalin for the Assessment of Structural versus Functional Renal Damage among ST-Segment Elevation Myocardial Infarction Patients

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          Abstract

          Background: Neutrophil gelatinase-associated lipocalin (NGAL) is an early marker of renal tubular damage. We investigated the incidence and possible implications of elevated NGAL levels (suggesting renal damage) compared to both functional and damage markers (manifested as serum creatinine [sCr] elevation) and no NGAL/sCr change, among ­ST-elevation myocardial infarction (STEMI) patients treated with primary percutaneous coronary intervention (PCI). Methods: We included 131 patients with STEMI treated with PCI. Blood samples for plasma NGAL were drawn 24 h following PCI. We used the terms NGAL(–) or NGAL(+) with levels ≥100 ng/mL suggesting renal tubular damage and the terms. sCr(–) or sCr(+) to consensus diagnostic increases in sCr defining acute kidney injury. Patients were also assessed for in hospital-adverse outcomes. Results: Of the study patients, 56 (42%) were NGAL(–)/sCr(–), 58 (44%) NGAL(+)/sCr(–), and 18 (14%) were both NGAL(+)/sCr(+). According to the 3 study groups, there was a stepwise increase in the proportion of left ventricular ejection fraction ≤45% (43 vs. 60. vs. 72%; p = 0.04), in-hospital adverse outcomes (9 vs. 14 vs. 56%; p < 0.001) and their combination. Specifically, more NGAL(+)/sCr(–) patients developed the composite endpoint when compared to NGAL(–)/sCr(–) patients (64 vs. 46%; OR 2.1, [95% CI 1.1–4.5], p = 0.05). A similar and consistent increase was observed in peak sCr, length of hospital stay, and C-reactive protein levels. Conclusions: Elevated NGAL levels suggesting renal tubular damage, increased inflammation, or both are common among STEMI patients and are associated with adverse outcomes even in the absence of diagnostic increase in sCr.

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          Author and article information

          Journal
          BPU
          Blood Purif
          10.1159/issn.0253-5068
          Blood Purification
          S. Karger AG
          0253-5068
          1421-9735
          2020
          September 2020
          19 February 2020
          : 49
          : 5
          : 560-566
          Affiliations
          Department of Cardiology, Tel-Aviv Sourasky Medical Center Affiliated to the Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
          Author notes
          *Yacov Shacham, MD, Department of Cardiology, Tel Aviv Sourasky Medical Center, Affiliated to the Sackler Faculty of Medicine, Tel-Aviv University, 6 Weizman Street, IL–64239 Tel Aviv (Israel), E-Mail Kobyshacham@gmail.com
          Article
          506175 Blood Purif 2020;49:560–566
          10.1159/000506175
          32074603
          © 2020 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.

          Page count
          Figures: 3, Tables: 2, Pages: 7
          Categories
          Research Article

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