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LETTER TO EDITOR
Year : 2020  |  Volume : 7  |  Issue : 1  |  Page : 20

To study the prevalence of thyroid disorders in chronic renal disease patients


Department of Paediatrics, Al-Kindy College of Medicine, University of Baghdad, Baghdad, Iraq

Date of Submission29-May-2019
Date of Decision15-Nov-2019
Date of Acceptance25-Nov-2019
Date of Web Publication24-Aug-2021

Correspondence Address:
Prof. Mahmood Dhahir Al-Mendalawi
P. O. Box55302, Baghdad PostOffice, Baghdad
Iraq
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jina.jina_8_19

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How to cite this article:
Al-Mendalawi MD. To study the prevalence of thyroid disorders in chronic renal disease patients. J Integr Nephrol Androl 2020;7:20

How to cite this URL:
Al-Mendalawi MD. To study the prevalence of thyroid disorders in chronic renal disease patients. J Integr Nephrol Androl [serial online] 2020 [cited 2022 Aug 14];7:20. Available from: http://www.journal-ina.com/text.asp?2020/7/1/20/324505



Dear Editor,

I read an interesting study by Gupta et al.[1] published in October–December 2018 issue of the Journal of Integrative Nephrology and Andrology. On applying thyroid function tests (TFTs), the authors studied thyroid disorders and the correlation between thyroid dysfunction (TD) and severity of renal diseases in a cohort of Indian patients with chronic kidney disease (CKD). They found that 53% had TD, and the prevalence of subclinical hypothyroidism and clinical hypothyroidism was 33% and 20%, respectively. Moreover, there was a significant association between CKD progression and TD.[1] I assume that such results must be cautiously interpreted. This is based on the presence of the following methodological limitations. In the methodology, the authors explicitly mentioned that “blood samples were collected from the participants and were analyzed for free triiodothyronine (FT3), free thyroxine (FT4), and thyroid-stimulating hormone by electrochemiluminescence technique using the kits by ADVIA Centaur XP analyzer system of Siemens (Siemens Healthineers limited, Siemens healthcare GmbH, Henkestr, 127, 91052 Erlangen, Germany).”[1] It is obvious that interpreting the values of TFTs in a particular population requires reference intervals for that population. Really, certain populations-specific TFTs reference ranges have been constructed.[2],[3],[4] To my knowledge, India has already established the mean reference intervals for TFTs for different age groups for both genders separately to be applied in the researches and clinical setting.[5] Gupta et al.[1] regrettably did not address which reference norms of TFTs were employed in the study methodology. I assume that employing national reference values could better determine the profile of TD in CKD patients. Despite the above-mentioned limitation, the high prevalence of TD (53%) reported by Gupta et al.[1] urges the need to periodically evaluate thyroid function in CKD patients to preserve renal function.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Gupta UN, Jain A, Prakash P, Agrawal P, Kumar R, Farooqui M. To study the prevalence of thyroid disorders in chronic renal disease patients. J Integr Nephrol Androl 2018;5:126-9.  Back to cited text no. 1
  [Full text]  
2.
Jammah AA, Alshehri AS, Alrakhis AA, Alhedaithy AS, Almadhi AM, Alkwai HM, et al. Characterization of thyroid function and antithyroid antibody tests among Saudis. Saudi Med J 2015;36:692-7.  Back to cited text no. 2
    
3.
Mirjanic-Azaric B, Avram S, Stojakovic-Jelisavac T, Stojanovic D, Petkovic M, Bogavac-Stanojevic N, et al. Direct estimation of reference intervals for thyroid parameters in the republic of Srpska. J Med Biochem 2017;36:137-44.  Back to cited text no. 3
    
4.
Park SY, Kim HI, Oh HK, Kim TH, Jang HW, Chung JH, et al. Age- and gender-specific reference intervals of TSH and free T4 in an iodine-replete area: Data from Korean National Health and Nutrition Examination Survey IV (2013-2015). PLoS One 2018;13:e0190738.  Back to cited text no. 4
    
5.
Marwaha RK, Tandon N, Ganie MA, Mehan N, Sastry A, Garg MK, et al. Reference range of thyroid function (FT3, FT4 and TSH) among Indian adults. Clin Biochem 2013;46:341-5.  Back to cited text no. 5
    




 

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