Glycosuria and Acute Kidney Injury: A Rare Presentation of Acute Interstitial Nephritis

Acute interstitial nephritis (AIN) is often induced by drugs and is a common cause of acute kidney injury. Clinically diagnosing AIN can often be challenging because these signs and symptoms rarely present in concert. The inflammatory pathology of AIN leads to renal tubule dysregulation, which can b...

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Main Authors: Benjamin A. Schwartz, Jason M. Kidd
Format: Article
Language:English
Published: Elsevier 2020-11-01
Series:Kidney Medicine
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S259005952030217X
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author Benjamin A. Schwartz
Jason M. Kidd
author_facet Benjamin A. Schwartz
Jason M. Kidd
author_sort Benjamin A. Schwartz
collection DOAJ
description Acute interstitial nephritis (AIN) is often induced by drugs and is a common cause of acute kidney injury. Clinically diagnosing AIN can often be challenging because these signs and symptoms rarely present in concert. The inflammatory pathology of AIN leads to renal tubule dysregulation, which can be clinically observed as glycosuria, eosinophilia, leukocytes or white blood cell casts, and proteinuria. We present a case of an otherwise healthy woman in her 30s with AIN presenting with acute kidney injury and glycosuria without pyuria. This patient had an atypical presentation of AIN that lacked classic diagnostic laboratory features and has been rarely reported. She had profound glycosuria in the setting of normoglycemia, which resolved following a course of corticosteroids. Glycosuria was most likely due to proximal tubule damage from AIN. This case supports previous hypotheses that drug-induced AIN can cause proximal tubule dysfunction resulting in glycosuria in the absence of other identifiable proximal tubule dysregulations. We hypothesize that resolution of AIN involves the repair and restoration of sodium-dependent glucose cotransporter function.
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spelling doaj.art-2cde9768051e4429be9619d34862f0ff2022-12-21T18:55:07ZengElsevierKidney Medicine2590-05952020-11-0126801803Glycosuria and Acute Kidney Injury: A Rare Presentation of Acute Interstitial NephritisBenjamin A. Schwartz0Jason M. Kidd1Division of Nephrology, Virginia Commonwealth University, Richmond, VAAddress for Correspondence: Jason M. Kidd, MD, Department of Internal Medicine, Division of Nephrology, 1101 E Marshall St, PO Box 980160, Richmond, VA 23298.; Division of Nephrology, Virginia Commonwealth University, Richmond, VAAcute interstitial nephritis (AIN) is often induced by drugs and is a common cause of acute kidney injury. Clinically diagnosing AIN can often be challenging because these signs and symptoms rarely present in concert. The inflammatory pathology of AIN leads to renal tubule dysregulation, which can be clinically observed as glycosuria, eosinophilia, leukocytes or white blood cell casts, and proteinuria. We present a case of an otherwise healthy woman in her 30s with AIN presenting with acute kidney injury and glycosuria without pyuria. This patient had an atypical presentation of AIN that lacked classic diagnostic laboratory features and has been rarely reported. She had profound glycosuria in the setting of normoglycemia, which resolved following a course of corticosteroids. Glycosuria was most likely due to proximal tubule damage from AIN. This case supports previous hypotheses that drug-induced AIN can cause proximal tubule dysfunction resulting in glycosuria in the absence of other identifiable proximal tubule dysregulations. We hypothesize that resolution of AIN involves the repair and restoration of sodium-dependent glucose cotransporter function.http://www.sciencedirect.com/science/article/pii/S259005952030217XAcute interstitial nephritisacute kidney injurydrug induced interstitial nephritisglycosuria
spellingShingle Benjamin A. Schwartz
Jason M. Kidd
Glycosuria and Acute Kidney Injury: A Rare Presentation of Acute Interstitial Nephritis
Kidney Medicine
Acute interstitial nephritis
acute kidney injury
drug induced interstitial nephritis
glycosuria
title Glycosuria and Acute Kidney Injury: A Rare Presentation of Acute Interstitial Nephritis
title_full Glycosuria and Acute Kidney Injury: A Rare Presentation of Acute Interstitial Nephritis
title_fullStr Glycosuria and Acute Kidney Injury: A Rare Presentation of Acute Interstitial Nephritis
title_full_unstemmed Glycosuria and Acute Kidney Injury: A Rare Presentation of Acute Interstitial Nephritis
title_short Glycosuria and Acute Kidney Injury: A Rare Presentation of Acute Interstitial Nephritis
title_sort glycosuria and acute kidney injury a rare presentation of acute interstitial nephritis
topic Acute interstitial nephritis
acute kidney injury
drug induced interstitial nephritis
glycosuria
url http://www.sciencedirect.com/science/article/pii/S259005952030217X
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AT jasonmkidd glycosuriaandacutekidneyinjuryararepresentationofacuteinterstitialnephritis