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International Journal of Clinical Biochemistry and Research


Renal function derangements in hypothyroidism: A clinical correlation between serum creatinine, urea and uric acid levels


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Author Details: Ajay Kumar Singh,Raj Kumar*,Ashish Sharma,Dharambeer Sharma,Saurabha Srivastava

Volume : 5

Issue : 4

Online ISSN : 2394-6377

Print ISSN : 2394-6369

Article First Page : 533

Article End Page : 536



Abstract

Thyroid hormones (TH) are essential for an adequate development and kidney maturity. The dysfunction of thyroid causes striking changes in glomerular and tubular capacities and electrolyte and water homeostasis. Hypothyroidism is affiliated with a decline in glomerular filtration, hyponatremia, and a modification of the capacity for water extraction. Since various renal function derangements occur in hypothyroidism, therefore, present study has been intended to determine the various parameters (urea, creatinine and uric acid) related to renal function in hypothyroid patients and correlation of these parameters with thyroid hormones (T3, T4, TSH).  The study was conducted on 200 hypothyroidisms. Age and sex matched healthy euthyroids were selected for the study. Serum was taken from each patient and control and was analyzed for T3 by competitive analog-based immunoassay, T4 by competitive analog-based immunoassay, TSH by 2 site chemiluminescent immunometric assay, creatinine by modified Jaffe’s method, urea by urease method and uric acid by uricase method respectively. A total number of 300 cases that includes 200 hypothyroid patients (25% males and   75% females) and 100 controls (42% males and 58% females) were examined. The mean level of serum T3 (1.968 ± 0.1195 pg/ml), serum T4 (1.0152 ± 0.1235 pg/ml), serum urea (33 ± 5.570mg/dl) of hypothyroids were significantly lower as compared to mean level of serum T3 (3.704 ± 0.1699 pg/ml), serum T4 (1.5764 ± 0.16230 pg/ml) and serum urea (35.12 ± 3.710mg/dl) of euthyroids. The mean level of serum TSH (8.928 ± 0.9589µIU/ml) serum Creatinine (2.192 ± 0.2566mg/dl) and serum uric acid (4.224 ± 0.6554mg/dl) of hypothyroids were significantly higher as compared to mean level of serum TSH (3.06 ± 0.4110 µIU/ml), serum Creatinine (0.852 ± 0.1396 mg/dl) and serum uric acid (3.772 ± 0.2975 mg/dl) of euthyroids. Hypothyroids serum T3 significantly correlated with positive person serum uric acid (r = 0.343). Hypothyroids serum T4 indicate noteworthy negative Pearson relationship with serum urea (r = - 0.367) and creatinine (r = - 0.267) Hypothyroids serum TSH indicate huge negative Pearson connection with serum uric acid (r = - 0.190) and creatinine (r = - 0.344). Elevated serum creatinine, serum urea and serum uric acid demonstrates renal capacity disturbances in hypothyroidism.

Keywords: Thyroid hormones, T3, T4, TSH, Serum creatinine, Serum uric acid.

Doi :-https://doi.org/10.18231/2394-6377.2018.0113