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\def\makelabel##1{\upshape ##1}}% } {\end{list}\end{raggedright}} \newenvironment{specHead}[2]% {\vspace{20pt}\hrule\vspace{10pt}% \phantomsection\label{#1}\markright{#2}% \pdfbookmark[2]{#2}{#1}% \hspace{-0.75in}{\bfseries\fontsize{16pt}{18pt}\selectfont#2}% }{} \def\TheFullDate{2016-01-15 (revised: 15 January 2016)} \def\TheID{\makeatother } \def\TheDate{2016-01-15} \title{Acute Kidney Injury and Massive Proteinuria Secondary to Epstein -Barr Virus -Associated Nephrotic Syndrome} \author{}\makeatletter \makeatletter \newcommand*{\cleartoleftpage}{% \clearpage \if@twoside \ifodd\c@page \hbox{}\newpage \if@twocolumn \hbox{}\newpage \fi \fi \fi } \makeatother \makeatletter \thispagestyle{empty} \markright{\@title}\markboth{\@title}{\@author} \renewcommand\small{\@setfontsize\small{9pt}{11pt}\abovedisplayskip 8.5\p@ plus3\p@ minus4\p@ \belowdisplayskip \abovedisplayskip \abovedisplayshortskip \z@ plus2\p@ \belowdisplayshortskip 4\p@ plus2\p@ minus2\p@ \def\@listi{\leftmargin\leftmargini \topsep 2\p@ plus1\p@ minus1\p@ \parsep 2\p@ plus\p@ minus\p@ \itemsep 1pt} } \makeatother \fvset{frame=single,numberblanklines=false,xleftmargin=5mm,xrightmargin=5mm} \fancyhf{} \setlength{\headheight}{14pt} \fancyhead[LE]{\bfseries\leftmark} \fancyhead[RO]{\bfseries\rightmark} \fancyfoot[RO]{} \fancyfoot[CO]{\thepage} \fancyfoot[LO]{\TheID} \fancyfoot[LE]{} \fancyfoot[CE]{\thepage} \fancyfoot[RE]{\TheID} \hypersetup{citebordercolor=0.75 0.75 0.75,linkbordercolor=0.75 0.75 0.75,urlbordercolor=0.75 0.75 0.75,bookmarksnumbered=true} \fancypagestyle{plain}{\fancyhead{}\renewcommand{\headrulewidth}{0pt}} \date{} \usepackage{authblk} \providecommand{\keywords}[1] { \footnotesize \textbf{\textit{Index terms---}} #1 } \usepackage{graphicx,xcolor} \definecolor{GJBlue}{HTML}{273B81} \definecolor{GJLightBlue}{HTML}{0A9DD9} \definecolor{GJMediumGrey}{HTML}{6D6E70} \definecolor{GJLightGrey}{HTML}{929497} \renewenvironment{abstract}{% \setlength{\parindent}{0pt}\raggedright \textcolor{GJMediumGrey}{\rule{\textwidth}{2pt}} \vskip16pt \textcolor{GJBlue}{\large\bfseries\abstractname\space} }{% \vskip8pt \textcolor{GJMediumGrey}{\rule{\textwidth}{2pt}} \vskip16pt } \usepackage[absolute,overlay]{textpos} \makeatother \usepackage{lineno} \linenumbers \begin{document} \author[1]{Awad Magbri, MD} \affil[1]{ PINE (partners in Nephrology and Endocrinology} \renewcommand\Authands{ and } \date{\small \em Received: 12 December 2015 Accepted: 3 January 2016 Published: 15 January 2016} \maketitle \begin{abstract} The case is that of 69 year old female who went on vacation and fell on her knees. She noticed progressive swelling of both legs over 2 weeks duration. During this period she gained 44 pounds in weight. She presented with sudden onset of edema of the lower extremity and weigh gain. She had 16 g/day of proteinuria. Past medical history is significant of hypertension of unknown duration. She had never seen a doctor in the last year. Her laboratory data showed 30 grams protein in 24 hrs urine, and her serum creatinine was 1.7 mg/dl. The baseline serum creatinine was not known. \end{abstract} \keywords{epstein virus infection, interstitial nephritis, minimal change disease, nephrotic syndrome, proteinuria, acute renal failure.} \begin{textblock*}{18cm}(1cm,1cm) % {block width} (coords) \textcolor{GJBlue}{\LARGE Global Journals \LaTeX\ JournalKaleidoscope\texttrademark} \end{textblock*} \begin{textblock*}{18cm}(1.4cm,1.5cm) % {block width} (coords) \textcolor{GJBlue}{\footnotesize \\ Artificial Intelligence formulated this projection for compatibility purposes from the original article published at Global Journals. However, this technology is currently in beta. \emph{Therefore, kindly ignore odd layouts, missed formulae, text, tables, or figures.}} \end{textblock*} \let\tabcellsep& \par I. The Case he case is that of 69 year old female who went on vacation and fell on her knees. She noticed progressive swelling of both legs over 2 weeks duration. During this period she gained 44 pounds in weight. She presented with sudden onset of edema of the lower extremity and weigh gain. She had 16 g/day of proteinuria. Past medical history is significant of hypertension of unknown duration. She had never seen a doctor in the last year. Her laboratory data showed 30 grams protein in 24 hrs urine, and her serum creatinine was 1.7 mg/dl. The baseline serum creatinine was not known.\par Her laboratory showed negative ANA, ANCA, and normal complement levels. No monoclonal gamopathy were detected on serum protein electrophoresis (SPEP) or urine protein electrophoresis (UPEP). EBV titers came back IgM consistent with the high level of proteinuria possibly secondary to minimal change disease/tip lesion FSGS. \section[{II. Case Discussion}]{II. Case Discussion}\par Infection with Epstein-Barr virus is ubiquitous in adults and it is estimated that over 95\% of adults worldwide is infected with the virus \hyperref[b0]{(1)}. It causes infectious mononucleosis (IM) in the acute phase. Most patients recover without sequelae, however, acute complications are associated with EBV infection.\par Sub-clinical renal involvement is not uncommon in EBV infection; 16\% of patients with IM infection have abnormalities in urinary sediment \hyperref[b1]{(2)}. Immune complex glomerulonephritis in the form of minimal change disease or membranous glomerulopathies are the most common renal presentation of EBV infection. Acute renal failure and cholemic nephrosis are rare but can also occur \hyperref[b1]{(2,}\hyperref[b2]{3)}.\par Acute kidney injury in adults with minimal change disease has been reported in approximately 25-35\% of adults. It is mainly presented at the time of nephrotic syndrome (4-9). However, Patients who develop AKI are more likely to be older, male, hypertensive, and have severe proteinuria. These features are present in our patient except for the gender. AKI occurred in 25\% (24/95) patients with MCD in the United States \hyperref[b5]{(6)}. In 7 patients, it occurred in a relapse of MCD. However, in 17/95 the AKI occurred concurrently with the onset of MCD. Patients with AKI are older with hypertension. In these patients proteinuria was higher, and hypoalbuminemia and edema were severe (4). AKI was relentless in these patients; and most patients were oliguric at the time of presentation. It is noteworthy, that 20\% of these patients required renal replacement therapy. Acute tubular necrosis was the underlying cause of AKI in these patients {\ref (4-6, 7,9)}.\par Meyer et al and others \hyperref[b9]{(10)} reported that 18\% of patients with AKI associated with MCD are due to rahbdomyolysis and myoglobuinuria. Two of his patients had MCD and 10/27 patients had acute interstitial nephritis. However, Mayer et al failed to identify EBV RNA in the renal biopsy tissue and instead suggested that the EBV antigens in infiltrating lymphocytes activated a massive T-cell mediated immune response. In contrast, Bao \hyperref[b10]{(11)} reported detection of the EBV genome using polymerase chain reaction (PCR) technique in renal samples. EBV DNA has since been found in biopsies of patients with IgA nephropathy and membranous nephropathy as well.\par The pathogenesis of AKI in EBV infection remains unclear but activation of the T-lymphocytes may be directly involved in EBV renal injury (2). Bao et al \hyperref[b10]{(11)} demonstrated a predominance of cytotoxic T-cells in the interstitium with evidence of EBV DNA detected with PCR in renal tissue in patients with interstitial nephritis. EBV receptors (CD21) were detected in the proximal tubular cells and were up-regulated in the EBV infected tissues \hyperref[b11]{(12)}.\par Okada et al, in 2002 ( {\ref 13}) reported a case of chronic active EBV infection who developed both acute interstitial nephritis and MCD. Renal biopsy of this case showed tubular epithelial atypia and lymphocytic interstitial infiltrates. EBV DNA was also detected with PCR in some infiltrating lymphocytes.\par There is no strong current literature on the use of steroids in IM. However, Mikhalkova et al treated a case of MCD associated with EBV infection with steroids with rapid and complete response of the MCD ( {\ref 14}), however, anecdotal reports claim its effectiveness in MCD.\par In conclusion, MCD is rarely reported renal complication of EBV infection with few cases reported in the literature. It is exquisitely response to steroids. EBV infection should be considered in all cases of heavy proteinuria with LM, IF, EM features of MCD especially if the onset of MCD is preceded by viral prodromal illness. \section[{Volume XVI Issue V Version I}]{Volume XVI Issue V Version I} \backmatter \begin{bibitemlist}{1} \bibitem[Bredewold et al. ()]{b2}\label{b2} ‘A case of mononucleosis infection presenting with cholemic nephrosis’. O W Bredewold , J W De Fijter , T Rabelink . \textit{NTD Plus} 2011. 4 p. 3. \bibitem[Chen et al. ()]{b6}\label{b6} ‘Acute kidney injury in adult idiopathic nephrotic syndrome’. T Chen , Y Lv , F Lin , J Zhu . \textit{Ren Fail} 2011. 33 p. 144. \bibitem[Dylewski et al. ()]{b1}\label{b1} ‘Acute renal failure associated with acute Epistein-Barr virus infection’. J M Dylewski , I M Roy , J M Eid . \textit{Infect Dis Clin Pract} 2008. 16 p. . \bibitem[Jennette and Falk ()]{b4}\label{b4} ‘Adult minimal change glomerulopathy with acute renal failure’. J C Jennette , R J Falk . \textit{Am J Kidney Dis} 1990. 16 p. 432. \bibitem[Waldman et al. ()]{b5}\label{b5} ‘Adult minimalchange disease: clinical characteristics, treatment, and outcomes’. M Waldman , R J Crew , A Valeri . \textit{Clin J Am Soc Nephrol} 2007. 2 p. 445. \bibitem[Okada et al. ()]{b12}\label{b12} ‘An atypical pattern of Epistein-Barr virus infection in a case with idiopathic tubu-interstitial nephritis’. H Okada , N Ikeda , T Kobayashi . \textit{Nephron} 2002. 92 p. . \bibitem[Bao et al. ()]{b10}\label{b10} ‘Detection of Epistein-Barr virus DNA in renal tissue from patients with interstitial nephritis’. L Bao , Y Zhang , X Zheng . \textit{Zhonghua Nei Ke Za Zhi} 1996. 35 p. . \bibitem[Cataudella et al. ()]{b11}\label{b11} ‘Epistein-Barr virus-associated acute interstitial nephritis: infection on immunologic phenomenon’. J A Cataudella , I D Young , E A Illiescu . \textit{Nephron} 2002. 92 p. . \bibitem[Mikhalkova et al. ()]{b13}\label{b13} ‘Epistein-Barr virus-associated nephrotic syndrome’. D Mikhalkova , S Khanna , R Vaidya , S Seth , M C Hogan . \textit{Clin Kidney J} 2012. 5 p. . \bibitem[Mayer et al. ()]{b9}\label{b9} ‘Epistein-Barr virus-induced infectious mononucleaosis complicated by acute renal failure: case report and review’. H B Mayer , C A Wanke , M Williams . \textit{Clin Infect Dis} 1996. 22 p. . \bibitem[Chen et al. ()]{b7}\label{b7} ‘Increased endothelin 1 expression in adult-onset minimal change nephropathy with acute renal failure’. C L Chen , H C Fang , K J Chou . \textit{Am J Kidney Dis} 2005. 45 p. 818. \bibitem[Luzuriaga and Sullivan ()]{b0}\label{b0} ‘Infectious mononucleosis’. K Luzuriaga , J L Sullivan . \textit{N Engl J Med} 2010. 362 p. . \bibitem[Smith and Hayslett ()]{b3}\label{b3} ‘Reversible renal failure in the nephrotic syndrome’. J D Smith , J P Hayslett . \textit{Am J Kidney Dis} 1992. 19 p. 201. \bibitem[Esparza et al. ()]{b8}\label{b8} ‘Spectrum of acute renal failure in nephrotic syndrome with minimal (or minor) glomerular lesions. Role of hemodynamic factors’. A R Esparza , S I Khan , S Garella , J G Abuelo . \textit{Lab Invest} 1981. 45 p. 510. \end{bibitemlist} \end{document}