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      Comment on “Leptospirosis Renal Disease: Emerging Culprit of Chronic Kidney Disease Unknown Etiology”

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          Leptospirosis Renal Disease: Emerging Culprit of Chronic Kidney Disease Unknown Etiology

           Chih-Wei Yang (corresponding) (2018)
          Leptospirosis is the most prevalent zoonosis affecting more than 1 million populations worldwide. Interestingly, leptospirosis endemic regions coincide with chronic kidney disease (CKD) hotspots largely due to flooding and agricultural overlaps. Acute leptospirosis induces multiple organ dysfunction including acute kidney injury and may predispose to CKD and end-stage renal disease, if not treated timely. Asymptomatic infection may carry the bacteria in the kidney and CKD progresses insidiously. Histologic finding of leptospirosis renal disease includes tubulointerstitial nephritis, interstitial fibrosis, and tubular atrophy. Proximal tubule dysfunction and hypokalemia are observed in adult male workers with leptospirosis, a characteristic similarity to CKD unknown etiology (CKDu). CKDu is a form of CKD that is not attributable to traditional risk factors clustering in agricultural communities affecting young male farmers. Kidney pathology shows a chronic tubulointerstitial disease. CKDu is being reported as an endemic nephropathy across the globe. Recent surveys suggest that asymptomatic leptospira renal colonization is an overlooked risk for renal fibrosis and CKDu. Population with anti-leptospira seropositivity is associated with lower estimated glomerular filtration rate in endemic regions and carrier may progress to CKD. Leptospirosis has been considered as a risk factor for CKDu in Sri Lanka and in Mesoamerican area. Sugarcane workers in Nicaragua showed increased anti-leptospira seropositivity and higher urinary biomarkers for kidney injury. Emerging evidence with signs of infection were reported in these endemic population, indicating that leptospira exposure could play a role in CKDu as a cause of primary kidney disease or a susceptible factor when secondary injury such as heat stress or dehydration aggravates kidney disease. Therefore, leptospirosis as an emerging culprit of CKDu deserves further in-depth investigation.
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            Author and article information

            Journal
            NEF
            Nephron
            10.1159/issn.1660-8151
            Nephron
            S. Karger AG
            1660-8151
            2235-3186
            2020
            August 2020
            06 July 2020
            : 144
            : 8
            : 386-387
            Affiliations
            Nephrology Dialysis Renal Transplantation Department, Civic Hospital, Palermo, Italy
            Author notes
            *Gioacchino Li Cavoli, Nephrology Dialysis Renal Transplantation Department, Civic Hospital Palermo Italy, via Francesco Cilea 43, IT–90144 Palermo (Italy), gioacchinolicavoli@libero.it
            Article
            509003 Nephron 2020;144:386–387
            10.1159/000509003
            32629453
            © 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
            Pages: 2
            Categories
            Clinical Practice: Letter to the Editor

            Cardiovascular Medicine, Nephrology

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