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Table of Contents
Year : 2011  |  Volume : 15  |  Issue : 4  |  Page : 231-233

Human immunodeficiency virus and the endocrine system

1 Department of Endocrinology, Bharti Hospital and B.R.I.D.E, Karnal, India
2 Department of Internal Medicine, Suez Canal University, Ismailia, Egypt
3 Department of Endocrinology, Armed Forces Medical College, Pune, Maharashtra, India

Date of Web Publication30-Sep-2011

Correspondence Address:
Sanjay Kalra
Department of Endocrinology, Bharti Hospital and B.R.I.D.E, Karnal
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2230-8210.85566

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How to cite this article:
Kalra S, Sleim H, Kotwal N. Human immunodeficiency virus and the endocrine system. Indian J Endocr Metab 2011;15:231-3

How to cite this URL:
Kalra S, Sleim H, Kotwal N. Human immunodeficiency virus and the endocrine system. Indian J Endocr Metab [serial online] 2011 [cited 2020 Nov 29];15:231-3. Available from: https://www.ijem.in/text.asp?2011/15/4/231/85566

UNAIDS estimates that there are 33.3 million (31.4 million-35.3 million) people living with HIV at the end of 2009, as compared to 26.2 million (24.6 million-27.8 million) in 1999. [1] This represents a huge 27% increase and implies that more attention should be paid to the medical management of the condition and its comorbidities. Although the incidence of new HIV infections has fallen since the late 1990s, this decrease is offset by the reduction in mortality due to better access to and improved quality of antiretroviral therapy.

As acute complications of HIV decrease, focus has to shift to chronic complications of the disease and chronic adverse effects of current treatment regimes. The estimated number of children living with HIV has also increased to 2.5 million (1.7 million-3.4 million) in 2009, [1] representing a segment of population which will require long-term care.

In Asia, an estimated 4.9 million (4.5 million-5.5 million) people have HIV (2009), [1] of whom 360,000 (300,000-430,000) people are newly infected. While the HIV prevalence is increasing in countries such as Bangladesh, Pakistan, and the Philippines, the incidence has fallen by more than 25% in India, Nepal, and Thailand between 2001 and 2009. The epidemic has remained stable in Malaysia and Sri Lanka during this time period.

Many countries with a high burden of HIV infection also face burgeoning epidemics of non communicable diseases including diabetes. [2] People living with HIV often also have high rates of non communicable diseases. People with HIV are living longer and develop non-HIV-related chronic conditions similar to the general population. They are also more prone to non-infectious diseases because of the nature of HIV (lipodystrophy), anti-retroviral drugs (hyperglycemia, metabolic syndrome), and opportunistic diseases (HIV-associated lymphoma, cervical cancer). HIV positive people have significantly higher rates of hypertension, diabetes, and obesity than those who are HIV negative. [3]

As we try to strengthen and expand diabetes care and other chronic disease services, we must focus on the endocrinopathies associated with HIV/AIDS. We should also learn from the success stories of the AIDS pandemic and include best practices used by HIV programs in our projects. Approaches (peer programs, defaulter tracing initiatives, multidisciplinary teams and community engagement), tools (registers, charts, forms and medical records) and systems (monitoring and evaluation, improving quality, supply chain and procurement, referring people and processing of specimens) which have been shown to be effective should be utilized in the chronic endocrine care programs. [4] Integrated chronic disease clinics that provide continuous care services to people, including those living with HIV and those with noncommunicable diseases, should be encouraged. This will help focus attention on the endocrine and metabolic complications of HIV infection.

HIV is associated with multiple endocrine and metabolic disorders. The association of HIV with diabetes is well described. [5] Diabetes may be present prior to HIV infection or may develop after onset of HIV. Insulin resistance, rather than insulin deficiency, is usually implicated in the pathogenesis of diabetes in HIV-infected patients. While according to earlier reports, evidence of islet cell autoimmunity, or beta cell destruction has not been seen in HIV patients, [6] the major contributor to hyperglycemia in HIV/AIDS is iatrogenic. This glucose tolerance may be due to highly active antiretroviral therapy (HAART) or due to other drugs. In this issue, South Asian guidelines compiled by experts from six countries have been published. These guidelines deal with the pathophysiology, screening, diagnosis, and management of diabetes in HIV-infected individuals. [7]

Other components of the metabolic syndrome are noted in HIV. HAART has led to an increase in metabolic dysfunction, including insulin resistance, diabetes, dyslipidemia, and lipodystrophy. [8] Insulin resistance, visceral adiposity, peripheral lipodystrophy, dyslipidemia, and glucose intolerance can occur singly or in combination. This constellation of clinical features is known as the lipodystrophy syndrome. Lipodystrophy may occur with HAART and needs to be treated aggressively in order to minimize cardiovascular morbidity. "Endocrine" drugs such as tesamorelin (a growth hormone releasing factor) are being used to manage this condition. [9]

HIV is also associated with various endocrine abnormalities including those of the growth hormone axis. These include deficiency of growth hormone as well as growth hormone resistance. Growth hormone deficiency may contribute to insulin resistance in HIV-infected patients. [10]

Comparatively, less attention is paid to the other glandular dysfunctions noted in HIV. Hypopituitarism, galactorrhea, unexplained hyponatremia, syndrome of inappropriate antidiuretic hormone secretion (SIADH), and central diabetes insipidus have been noted. Multiple pathophysiologic and drug induced mechanisms have been proposed to explain these abnormalities. These include infection with Toxoplasma gondii, [11] Pneumocystis jiroveci, [12] or the use of trimethoprim. [13]

Thyroid disorders found in HIV include sick euthyroid syndrome, subclinical hypothyroidism (3.5-12.2%). [14]

Grave's disease due to the immune reconstitution syndrome, [15] and thyroiditis due to Cryptococcus neoformans, Pneumocystis jiroveci, and visceral leishmaniasis. [16] Thyroid function may also be disturbed by lymphoma and Kaposi's sarcoma.

Hypogonadism is another common endocrine disorder in HIV. Low CD4 cell count, advanced illness, medication use, and weight loss are associated with low testosterone levels. Serum free testosterone is suggested as a marker of testicular function. [17] Hypogonadism is hypogonado- trophic in etiology in 75% patients, [18] but may be due to primary testicular failure, [16] including tubercular orchitis. [18] A high incidence of sexual dysfunction including erectile dysfunction [19] and early 'andropause' [20] has been reported. Frequent menstrual disturbances including prolonged amenorrhea [21] have also been reported.

The most affected gland in HIV, however, is the adrenal gland. While Cushing's syndrome has been reported, [22] Addison's disease is thought to be the commonest endocrinopathy in HIV. [23]

Cytomegalovirus, Kaposis's sarcoma, cryptococcosis, tuberculosis, toxoplasmosis [23] have been reported to affect HIV-infected adrenal glands. Ketoconazole and rifampicin may lead to impaired adrenal function as well.

Many of these endocrine disturbances can easily be treated to help patients achieve a better quality of life. Others, such as adrenal insufficiency, may be potentially life-threatening if not managed appropriately. The increased cardiovascular risk associated with lipodystrophy also needs to be addressed properly. All this can be done effectively, if endocrinologists are involved in the active management of HIV. Both endocrine and HIV specialists should be sensitized to the need for team work. The guidelines on management of diabetes in HIV are a step forward in this direction.

   References Top

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2.Mbanya JC, Motala AA, Sobngwi E, Assah FK, Enoru ST. Diabetes in sub-Saharan Africa. Lancet 2010;375:2254-66.  Back to cited text no. 2
3.Stuckler D. Population causes and consequences of leading chronic diseases: A comparative analysis of prevailing explanations. Milbank Q 2008;86:273-326.  Back to cited text no. 3
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5.Kalra S, Kalra B, Agrawal N, Unnikrishnan A. Understanding diabetes in patients with HIV/AIDS. Diabetol Metab Syndr 2011;3:2  Back to cited text no. 5
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10.Smith JC, Evans LM, Wilkinson I, Goodfellow J, Cockcroft JR, Scanlon MF, et al. Effects of GH replacement on endothelial function and large artery stiffness in GH-deficient adults: A randomized, double-blind, placebo-controlled study. Clin Endocrinol (Oxf) 2002;56:493-501.  Back to cited text no. 10
11.Millgan SA, Katz MS, Craven PC, Strandberg DA, Russell IJ, Becker RA. Toxoplasmosis presenting as panhypopituitarism in a patient with the acquired immunodeficiency syndrome. Am J Med 1984;77:760-4.  Back to cited text no. 11
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15.Knysz H, Bolanowski M, Klimczak M, Gladysz A, Zwolinska K. Graves disease as an autoimmune reconstitution syndrome in an HIV-1-positive patient commencing effective antiretroviral therapy: Case report and literature review. Viral Immunol 2006;19:102-7.  Back to cited text no. 15
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17.Villette JM, Bourin P, Doinel C, Mansour I, Fiet J, Boudou P, et al. Circadian variations in plasma levels of hypophyseal, adrenocortical and testicular hormones in men infected with human immunodeficiency virus. J Clin Endocrinol Metab 1990;70:572-7.  Back to cited text no. 17
18.Dobs AS, Dempsey MA, Ladenson PW, Polk BF. Endocrine disorders in men infected with human immunodeficiency virus. Am J Med 1988;84:611-6.   Back to cited text no. 18
19.Cohan GR. HIV associated hypogonadism. AIDS Read 2006;16:341-5, 348, 352-4.  Back to cited text no. 19
20.Crum -Ciaflone NF, Bavaro M, Hale B, Amling C, Truett A, Brandt C, et al. Erectile dysfunction and hypogonadism among men with HIV. AIDS Patient Care STDS 2007;21:9-19.  Back to cited text no. 20
21.Cejtin HE, Kalinowski A, Bacchetti P, Taylor RN, Watts DH, Kim S, et al. Effects of human immunodeficiency virus on protracted amenorrhea and ovarian dysfunction. Obstet Gynecol 2006;108:1423-31.  Back to cited text no. 21
22.Smith D. Endocrine complications in HIV progression. AIDS Treat News 1991:# 140. Available from: http://www.aegis.com/pubs/atn/1991/ATN14001.html [Last accessed on 2011 Jun 20].  Back to cited text no. 22
23.Johnson SR, Marion AA, Vrchoticky T, Emmanuel PJ, Lujan-Zilbermann J. Cushing syndrome with secondary adrenal insufficiency from concomitant therapy with ritonavir and fluticasone. J Pediatr 2006;148:386-8.  Back to cited text no. 23

This article has been cited by
O. Ya. Leshchenko,E. V. Genich
HIV Infection and Immunosuppressive Disorders. 2020; 11(4): 20
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