Prevalence of Non-autoimmune Hypothyroidism in Steroid Resistant Nephrotic Syndrome in Paediatric Age Group

Introduction: It was observed that approximately 10% of children with Nephrotic Syndrome (NS) are found as Steroid Resistant NS (SRNS). The data on the prevalence of non-autoimmune hypothyroidism among the SRNS in India is limited. Aim: To assess the prevalence of non-autoimmune hypothyroidism...

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Main Authors: Seema Rani Sinha, Rekha Kumari, Rakesh Kumar, Ravi Shekhar, Pritam Prakash, Prem Prakash
Format: Article
Language:English
Published: JCDR Research and Publications Private Limited 2020-10-01
Series:Journal of Clinical and Diagnostic Research
Subjects:
Online Access:https://jcdr.net/articles/PDF/14077/45530_CE[Ra1]_F(KM)_PF1(AG_KM)_PFA(KM)_PB(AG_KM)_GC(RV_SL)_PN(SL).pdf
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author Seema Rani Sinha
Rekha Kumari
Rakesh Kumar
Ravi Shekhar
Pritam Prakash
Prem Prakash
author_facet Seema Rani Sinha
Rekha Kumari
Rakesh Kumar
Ravi Shekhar
Pritam Prakash
Prem Prakash
author_sort Seema Rani Sinha
collection DOAJ
description Introduction: It was observed that approximately 10% of children with Nephrotic Syndrome (NS) are found as Steroid Resistant NS (SRNS). The data on the prevalence of non-autoimmune hypothyroidism among the SRNS in India is limited. Aim: To assess the prevalence of non-autoimmune hypothyroidism in the case of SRNS. Materials and Methods: A case control cross-sectional study was conducted in which 52 cases of SRNS and 52 healthy controls were enrolled. Thyroid profile like serum Thyroid Stimulating Hormone (TSH), Free Triiodothyronine (T3), Free Thyroxine (T4) done in the all cases and controls but anti-Thyroid Peroxidase (TPO), and anti-thyroglobulin antibody test was done in the case and control group with deranged thyroid function test. Low Free T4 (normal: 0.7-2 ng/mL) and elevated serum TSH above the upper limit of the reference range (>4.5 mIU/L) was defined as overt hypothyroidism, whereas elevation in serum TSH with a normal serum FT4 concentration was defined as sub clinical hypothyroidism. MedCalc statistical software Version 19.2.6 was used to do statistical analysis. Results: Prevalence of Non-autoimmune hypothyroidism was 38.46% (20 out of 52), 16 (30.76%) had subclinical and 4 (7.69%) had overt hypothyroidism in case of SRNS in comparison to 1.96% (1 out of 52) in control group. Out of 16 subclinical hypothyroid patients, two cases with grade 1, 12 cases with grade 2, and two cases with grade 3 found. Patients with SRNS had a mean (SD) TSH value of 4.5±4.7 mlU/L which was significantly higher than control (1.8±1.1 mlU/L). Serum levels of FT4 were within normal range. Anti-TPO and anti-thyroglobulin titre were in normal range in children with hypothyroidism. Conclusion: The prevalence of non-autoimmune hypothyroidism was high in cases of idiopathic SRNS. So, on the basis of this study estimation of thyroid profile in children with SRNS seems to be the rational approach which will lead to early diagnosis and timely management of hypothyroidism in SRNS.
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spelling doaj.art-7313b8ead3974df1bd0368fde62d2de52022-12-21T22:28:47ZengJCDR Research and Publications Private LimitedJournal of Clinical and Diagnostic Research2249-782X0973-709X2020-10-011410BC01BC0410.7860/JCDR/2020/45530.14077Prevalence of Non-autoimmune Hypothyroidism in Steroid Resistant Nephrotic Syndrome in Paediatric Age GroupSeema Rani Sinha0Rekha Kumari1Rakesh Kumar2Ravi Shekhar3Pritam Prakash4Prem Prakash5Tutor, Department of Biochemistry, Indira Gandhi Institute of Medical Sciences, Patna, Bihar, India.Additional Professor, Department of Biochemistry, Indira Gandhi Institute of Medical Sciences, Patna, Bihar, India.Additional Professor, Department of Biochemistry, Indira Gandhi Institute of Medical Sciences, Patna, Bihar, India.Associate Professor, Department of Biochemistry, Indira Gandhi Institute of Medical Sciences, Patna, Bihar, India.Assistant Professor, Department of Biochemistry, Indira Gandhi Institute of Medical Sciences, Patna, Bihar, India.Associate Professor, Department of Surgery, Indira Gandhi Institute of Medical Sciences, Patna, Bihar, India.Introduction: It was observed that approximately 10% of children with Nephrotic Syndrome (NS) are found as Steroid Resistant NS (SRNS). The data on the prevalence of non-autoimmune hypothyroidism among the SRNS in India is limited. Aim: To assess the prevalence of non-autoimmune hypothyroidism in the case of SRNS. Materials and Methods: A case control cross-sectional study was conducted in which 52 cases of SRNS and 52 healthy controls were enrolled. Thyroid profile like serum Thyroid Stimulating Hormone (TSH), Free Triiodothyronine (T3), Free Thyroxine (T4) done in the all cases and controls but anti-Thyroid Peroxidase (TPO), and anti-thyroglobulin antibody test was done in the case and control group with deranged thyroid function test. Low Free T4 (normal: 0.7-2 ng/mL) and elevated serum TSH above the upper limit of the reference range (>4.5 mIU/L) was defined as overt hypothyroidism, whereas elevation in serum TSH with a normal serum FT4 concentration was defined as sub clinical hypothyroidism. MedCalc statistical software Version 19.2.6 was used to do statistical analysis. Results: Prevalence of Non-autoimmune hypothyroidism was 38.46% (20 out of 52), 16 (30.76%) had subclinical and 4 (7.69%) had overt hypothyroidism in case of SRNS in comparison to 1.96% (1 out of 52) in control group. Out of 16 subclinical hypothyroid patients, two cases with grade 1, 12 cases with grade 2, and two cases with grade 3 found. Patients with SRNS had a mean (SD) TSH value of 4.5±4.7 mlU/L which was significantly higher than control (1.8±1.1 mlU/L). Serum levels of FT4 were within normal range. Anti-TPO and anti-thyroglobulin titre were in normal range in children with hypothyroidism. Conclusion: The prevalence of non-autoimmune hypothyroidism was high in cases of idiopathic SRNS. So, on the basis of this study estimation of thyroid profile in children with SRNS seems to be the rational approach which will lead to early diagnosis and timely management of hypothyroidism in SRNS.https://jcdr.net/articles/PDF/14077/45530_CE[Ra1]_F(KM)_PF1(AG_KM)_PFA(KM)_PB(AG_KM)_GC(RV_SL)_PN(SL).pdfanti-thyroid peroxidaseovertsubclinicalthyroid stimulating hormone
spellingShingle Seema Rani Sinha
Rekha Kumari
Rakesh Kumar
Ravi Shekhar
Pritam Prakash
Prem Prakash
Prevalence of Non-autoimmune Hypothyroidism in Steroid Resistant Nephrotic Syndrome in Paediatric Age Group
Journal of Clinical and Diagnostic Research
anti-thyroid peroxidase
overt
subclinical
thyroid stimulating hormone
title Prevalence of Non-autoimmune Hypothyroidism in Steroid Resistant Nephrotic Syndrome in Paediatric Age Group
title_full Prevalence of Non-autoimmune Hypothyroidism in Steroid Resistant Nephrotic Syndrome in Paediatric Age Group
title_fullStr Prevalence of Non-autoimmune Hypothyroidism in Steroid Resistant Nephrotic Syndrome in Paediatric Age Group
title_full_unstemmed Prevalence of Non-autoimmune Hypothyroidism in Steroid Resistant Nephrotic Syndrome in Paediatric Age Group
title_short Prevalence of Non-autoimmune Hypothyroidism in Steroid Resistant Nephrotic Syndrome in Paediatric Age Group
title_sort prevalence of non autoimmune hypothyroidism in steroid resistant nephrotic syndrome in paediatric age group
topic anti-thyroid peroxidase
overt
subclinical
thyroid stimulating hormone
url https://jcdr.net/articles/PDF/14077/45530_CE[Ra1]_F(KM)_PF1(AG_KM)_PFA(KM)_PB(AG_KM)_GC(RV_SL)_PN(SL).pdf
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