Pediatric lupus nephritis – An evil cousin of its adult counterpart: A single-center based experience from a tertiary care hospital of Eastern India

Context: Systemic lupus erythematosus is an autoimmune multisystem disease with a high predilection for renal involvement. Lupus nephritis develops in 20% to 75% within the first two years. Presentation varies from subnephrotic proteinuria to end-stage renal disease. Aims: To study clinical features...

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Main Authors: Keya Basu, Subhrajyoti Karmakar, Moumita Sengupta, Arpita Roychowdhury, Alakendu Ghosh, Manimoy Bandopadhyay
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2020-01-01
Series:Indian Journal of Pathology and Microbiology
Subjects:
Online Access:http://www.ijpmonline.org/article.asp?issn=0377-4929;year=2020;volume=63;issue=3;spage=397;epage=404;aulast=Basu
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author Keya Basu
Subhrajyoti Karmakar
Moumita Sengupta
Arpita Roychowdhury
Alakendu Ghosh
Manimoy Bandopadhyay
author_facet Keya Basu
Subhrajyoti Karmakar
Moumita Sengupta
Arpita Roychowdhury
Alakendu Ghosh
Manimoy Bandopadhyay
author_sort Keya Basu
collection DOAJ
description Context: Systemic lupus erythematosus is an autoimmune multisystem disease with a high predilection for renal involvement. Lupus nephritis develops in 20% to 75% within the first two years. Presentation varies from subnephrotic proteinuria to end-stage renal disease. Aims: To study clinical features, biochemical, and serological parameters and correlate with histological activity and chronicity score [modified National Institute of Health (NIH) score]. Settings and Design: Retrospective, cross-sectional, single-center based study in a tertiary care hospital of Eastern India. Subjects and Methods: We incuded 36 children with lupus nephritis diagnosed from February 2018 to March 2019. Laboratory data included were complete blood count (CBC), blood glucose, urine analysis, serum urea, creatinine, blood urea nitrogen (BUN), albumin, cholesterol, HBsAg, antihepatitis C virus (HCV) antibody, antistreptolysin O (ASO) titer, antinuclear antibody (ANA), myeloperoxidase antineutrophil cytoplasmic antibody (MPO ANCA), proteinase 3 antineutrophil cytoplasmic antibody (PR3 ANCA), double-stranded DNA (dsDNA), C3, and C4. Clinical parameters were age, sex, blood pressure (BP), skin lesions, arthralgia, edema, obesity. Renal biopsies examined with light microscopy, hematoxylin and eosin (H and E), periodic acid-Schiff (PAS), silver methanamine, Masson's trichrome (MT) stains. Immunofluorescence microscopy done with IgG, IgM, IgA, C3c, C1q, kappa, lambda antibodies. Statistical Analysis Used: Kruskal–Wallis and χ2 tests. Results: Mean age was 15.12 ± 3.49 and 12.5 ± 1.73 years for lupus nephritis (LN) with activity and LN without activity, respectively. Mean dsDNA was higher and mean C3 was lower (52.35 ± 22.21 mg/dl) in active LN. Mean 24-hour urinary protein was higher in LN without activity. Serum creatinine was raised in active LN. LN class III and IV showed higher activity than chronicity. Conclusions: Pediatric LN is proliferative and more active as compared with adult counterparts. Activity scores are much higher than chronicity scores.
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spelling doaj.art-dff0a846463f4ecdb9fa1f9ce44486b82022-12-21T19:22:10ZengWolters Kluwer Medknow PublicationsIndian Journal of Pathology and Microbiology0377-49292020-01-0163339740410.4103/IJPM.IJPM_995_19Pediatric lupus nephritis – An evil cousin of its adult counterpart: A single-center based experience from a tertiary care hospital of Eastern IndiaKeya BasuSubhrajyoti KarmakarMoumita SenguptaArpita RoychowdhuryAlakendu GhoshManimoy BandopadhyayContext: Systemic lupus erythematosus is an autoimmune multisystem disease with a high predilection for renal involvement. Lupus nephritis develops in 20% to 75% within the first two years. Presentation varies from subnephrotic proteinuria to end-stage renal disease. Aims: To study clinical features, biochemical, and serological parameters and correlate with histological activity and chronicity score [modified National Institute of Health (NIH) score]. Settings and Design: Retrospective, cross-sectional, single-center based study in a tertiary care hospital of Eastern India. Subjects and Methods: We incuded 36 children with lupus nephritis diagnosed from February 2018 to March 2019. Laboratory data included were complete blood count (CBC), blood glucose, urine analysis, serum urea, creatinine, blood urea nitrogen (BUN), albumin, cholesterol, HBsAg, antihepatitis C virus (HCV) antibody, antistreptolysin O (ASO) titer, antinuclear antibody (ANA), myeloperoxidase antineutrophil cytoplasmic antibody (MPO ANCA), proteinase 3 antineutrophil cytoplasmic antibody (PR3 ANCA), double-stranded DNA (dsDNA), C3, and C4. Clinical parameters were age, sex, blood pressure (BP), skin lesions, arthralgia, edema, obesity. Renal biopsies examined with light microscopy, hematoxylin and eosin (H and E), periodic acid-Schiff (PAS), silver methanamine, Masson's trichrome (MT) stains. Immunofluorescence microscopy done with IgG, IgM, IgA, C3c, C1q, kappa, lambda antibodies. Statistical Analysis Used: Kruskal–Wallis and χ2 tests. Results: Mean age was 15.12 ± 3.49 and 12.5 ± 1.73 years for lupus nephritis (LN) with activity and LN without activity, respectively. Mean dsDNA was higher and mean C3 was lower (52.35 ± 22.21 mg/dl) in active LN. Mean 24-hour urinary protein was higher in LN without activity. Serum creatinine was raised in active LN. LN class III and IV showed higher activity than chronicity. Conclusions: Pediatric LN is proliferative and more active as compared with adult counterparts. Activity scores are much higher than chronicity scores.http://www.ijpmonline.org/article.asp?issn=0377-4929;year=2020;volume=63;issue=3;spage=397;epage=404;aulast=Basuactivitychronicitylupus nephritispediatricproliferativesystemic lupus erythematosus
spellingShingle Keya Basu
Subhrajyoti Karmakar
Moumita Sengupta
Arpita Roychowdhury
Alakendu Ghosh
Manimoy Bandopadhyay
Pediatric lupus nephritis – An evil cousin of its adult counterpart: A single-center based experience from a tertiary care hospital of Eastern India
Indian Journal of Pathology and Microbiology
activity
chronicity
lupus nephritis
pediatric
proliferative
systemic lupus erythematosus
title Pediatric lupus nephritis – An evil cousin of its adult counterpart: A single-center based experience from a tertiary care hospital of Eastern India
title_full Pediatric lupus nephritis – An evil cousin of its adult counterpart: A single-center based experience from a tertiary care hospital of Eastern India
title_fullStr Pediatric lupus nephritis – An evil cousin of its adult counterpart: A single-center based experience from a tertiary care hospital of Eastern India
title_full_unstemmed Pediatric lupus nephritis – An evil cousin of its adult counterpart: A single-center based experience from a tertiary care hospital of Eastern India
title_short Pediatric lupus nephritis – An evil cousin of its adult counterpart: A single-center based experience from a tertiary care hospital of Eastern India
title_sort pediatric lupus nephritis an evil cousin of its adult counterpart a single center based experience from a tertiary care hospital of eastern india
topic activity
chronicity
lupus nephritis
pediatric
proliferative
systemic lupus erythematosus
url http://www.ijpmonline.org/article.asp?issn=0377-4929;year=2020;volume=63;issue=3;spage=397;epage=404;aulast=Basu
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