Thyroid Function in Newly Diagnosed HIV-positive Patients
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Date
2023-05
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Association of Physicians of India
Abstract
Background: As of 2019, the highest prevalence of human immunodeficiency virus (HIV) in India is seen in the Northeastern states. Endocrine and metabolic disturbances can occur in HIV infection. Thyroid dysfunction is one of the common endocrinopathies. In HIV infection, thyroid function abnormalities are seen in about 4–35% of adult patients. Thyroid function abnormalities range from overt hypothyroidism, subclinical hypothyroidism, and sick euthyroid syndrome to overt hyperthyroidism. Among them, subclinical hypothyroidism is the commonest abnormality. To our knowledge, there have been no studies from Northeastern India done in this regard. Aims and objectives: To study the thyroid function in newly diagnosed cases of HIV infection attending anti-retroviral therapy (ART) center, Assam Medical College. To estimate the prevalence and types of thyroid dysfunction in newly diagnosed HIV-infected individuals. To study thyroid dysfunctions with respect to age, sex, and cluster of differentiation (CD) 4 count. Materials and methods: Hospital-based observational study was done at a tertiary care centre of upper Assam on newly diagnosed HIV-positive patients who were not started on antiretroviral therapy and who attended the ART centre, Assam Medical College during the period of our study. History, examinations and laboratory investigations, including thyroid stimulating hormone (TSH), free triiodothyronine (FT3), free thyroxine (FT4), and CD4 count, are done in all such patients, and only those who fulfilled the inclusion and exclusion criteria of our study are taken as study participants, and their findings tabulated. Results and observations: A total of 95 newly diagnosed HIV-positive patients fulfilling the inclusion and exclusion criteria of our study were taken. In our study, a total of 36.84% of the patients had thyroid dysfunction. We got subclinical hypothyroidism, overt hypothyroidism, sick euthyroid syndrome, and overt hyperthyroidism as the types of thyroid dysfunction. Among all the types of thyroid dysfunction, subclinical hypothyroidism was the commonest abnormality in our study. Under sick euthyroid syndrome, we got only low FT3 as the biochemical abnormality. Thyroid dysfunctions were more common in females (42.3%) than males (35.8%) and were more common in the age group of 30–39 years. In the present study, among patients with thyroid dysfunction, it was seen that 51.43% of the patients had a CD4 cell count in the range 101–200 cells/mm3, whereas only 11.43% of patients had a CD4 cell count in the range <50 cells/mm3 and no patient had a CD4 cell count >500 cells/mm3 . Conclusion: In our study, we found that thyroid dysfunctions were common in newly diagnosed HIV-positive patients, the prevalence of which was much higher in the general population. Thyroid dysfunction was present in all the stages of the HIV disease.
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Dutta SK, Kalita BC.. Thyroid Function in Newly Diagnosed HIV-positive Patients. Journal of the Association of Physicians of India. 2023 May; 71(5): 14-18