^ Jump up to: a b c Montessori, V., Press, N., Harris, M., Akagi, L., Montaner, J. S. (2004). “Adverse effects of antiretroviral therapy for HIV infection”. CMAJ. 170 (2): 229–238. PMC 315530 . PMID 14734438.
Overall, with the increasing use of antiretroviral therapy and the introduction of better antiviral regimens, survival with HIV infection has increased over time, although it is not yet equivalent to that in uninfected individuals. (See the image below.)
Condomless sex – having sex without a condom can put a person at risk of contracting HIV and other sexually transmitted infections (STIs). HIV can be transmitted by having sex without a condom (vaginal, oral, and/or anal sex). It can also be transmitted by sharing sex toys with someone infected with HIV. Condoms should be used with every sexual act.
Jump up ^ Garcia JV, Miller AD (April 1991). “Serine phosphorylation-independent downregulation of cell-surface CD4 by nef”. Nature. 350 (6318): 508–11. Bibcode:1991Natur.350..508G. doi:10.1038/350508a0. PMID 2014052.
Al-Harthi L, Marchetti G, Steffens CM, Poulin J, Sékaly R, Landay A. Detection of T cell receptor circles (TRECs) as biomarkers for de novo T cell synthesis using a quantitative polymerase chain reaction-enzyme linked immunosorbent assay (PCR-ELISA). J Immunol Methods. 2000 Apr 3. 237(1-2):187-97. [Medline].
Jump up ^ Murray ED, Buttner N, Price BH (2012). “Depression and Psychosis in Neurological Practice”. In Bradley WG, Daroff RB, Fenichel GM, Jankovic J. Bradley’s Neurology in Clinical Practice: Expert Consult – Online and Print, 6e (Bradley, Neurology in Clinical Practice e-dition 2v Set). 1 (6th ed.). Philadelphia, PA: Elsevier/Saunders. p. 101. ISBN 1-4377-0434-4.
Burgard M, Jasseron C, Matheron S, et al. Mother-to-child transmission of HIV-2 infection from 1986 to 2007 in the ANRS French Perinatal Cohort EPF-CO1. Clin Infect Dis. 2010 Oct 1. 51(7):833-43. [Medline].
Notable progress has been made to the extent that it could be said that the end of the AIDS epidemic is in sight. In many parts of Africa the prevalence appears to be getting stable. This means that the number of people dying from the disease is roughly equal to the number of new cases. However, whilst new HIV infections have dropped by 38% globally since 2001, 2.1 million people were newly infected in 2013. There are also 22 million people who are not accessing life-saving treatment. Access to AIDS services are still patchy due to such issues as geography, gender and socio-economic factors.
Routine HIV-testing in healthcare facilities also raises legal issues. Most people who are HIV-positive want this information kept confidential. Facilities are free to use HIV testing to control the infection but in most states only with the patient’s informed consent. Some states, such as Illinois, require written consent. The level of protection for medical records varies from state to state. California, for example, has broad protections; under its statutes, no one can be compelled to provide information that would identify anyone who is the subject of an HIV test. However, every state requires that AIDS cases be reported to the CDC, which tracks statistics on the spread of HIV. Whether the name of an HIV-infected person is reported to the CDC depends on state laws and regulations.AIDS and Education Issues in the field of education include the rights of HIV-positive students to attend class and of HIV-positive teachers to teach, the confidentiality of HIV records, and how best to teach young people about AIDS. A few areas have been settled in court: for instance, the right of students to attend classes was of greater concern in the early years of the epidemic and later ceased to be a matter of dispute.
Human immunodeficiency virus (HIV)-associated cholangiopathy has been described in children.25 As in adults, the biliary abnormalities include irregularities of contour and caliber of the intrahepatic and extrahepatic ducts and papillary stenosis. The changes may result from concomitant infection with opportunistic organisms such as cytomegalovirus and Cryptosporidium parvum. Ascariasis infestation may be the most prevalent biliary infection worldwide, although concentrated within tropical climates. Among 214 children admitted to hospital in northern India for management of hepatobiliary and pancreatic ascariasis, 20 (9%) underwent endoscopic and 7 (4%) surgical intervention.26
19. Centers for Disease Control and Prevention (CDC) (1983, 2 September) ‘Acquired Immunodeficiency Syndrome (AIDS): Precautions for Health-Care Workers and Allied Professionals’ MMWR Weekly 32(34):450-451
Jump up ^ Michod RE, Bernstein H, Nedelcu AM (May 2008). “Adaptive value of sex in microbial pathogens” (PDF). Infection, Genetics and Evolution. 8 (3): 267–85. doi:10.1016/j.meegid.2008.01.002. PMID 18295550.
Short for acquired immune deficiency syndrome. A severe disease caused by HIV, in which the immune system is attacked and weakened, making the body susceptible to other infections. The virus is transmitted through bodily fluids such as semen and blood.
Rarely, HIV has been transmitted via transplantation of organs from HIV-seropositive donors. Infection has developed in recipients of kidney, liver, heart, pancreas, bone, and skin—all of which contain blood—but screening for HIV greatly reduces risk of transmission. HIV transmission is even more unlikely from transplantation of cornea, ethanol-treated and lyophilized bone, fresh-frozen bone without marrow, lyophilized tendon or fascia, or lyophilized and irradiated dura mater.
HIV infection negatively affects the ability to diagnose TB in both adults and children. Progression to disease may occur soon after infection by M. tuberculosis or latent infection may be reactivated. Further, response to treatment is often slower and outcome is worse than in HIV-uninfected patients. Therefore, in areas with a high prevalence of HIV infection in the general population (HIV prevalence > 1%) where TB and HIV infection are likely to coexist, HIV counselling and testing is indicated for all TB patients as part of their routine management.2,27 In areas with lower prevalence rates of HIV, counselling and testing is indicated for TB patients with symptoms and/or signs of HIV-related conditions and in those having a history suggestive of a high risk of exposure to HIV. A rapid test for HIV (a side room investigation) could be used as a screening test. Commercially available HIV ELISA tests are most commonly used as confirmatory tests, with HIV PCR as a confirmatory test in children less than 18 months of age.
In the United States, HIV is spread mainly by having sex with or sharing drug injection equipment with someone who has HIV. To reduce your risk of HIV infection, use condoms correctly and consistently during sex, limit your number of sexual partners, and never share drug injection equipment.
It is important to remember that these symptoms appear when the body is fighting off many types of viruses, not just HIV. However, if you have several of these symptoms and believe you could have been at risk of contracting HIV in the last few weeks, you should take a test.
Jump up ^ Larke, N (May 27, 2010). “Male circumcision, HIV and sexually transmitted infections: a review”. British journal of nursing (Mark Allen Publishing). 19 (10): 629–34. doi:10.12968/bjon.2010.19.10.48201. PMID 20622758.
He told me, “I’m no longer that concerned about the virus itself. I’m more concerned about my internal organs and premature aging.” In 1999, at fifty, he learned that fatty deposits had substantially constricted the blood flow in a major artery that supplies the heart’s left ventricle. He began to experience crippling pain when he walked, because the blood supply to his bone tissue had diminished—a condition called avascular necrosis. In 2002, he had his first hip replacement, and the second in 2010. His muscles have shrunk, and sitting can be uncomfortable, so he sometimes wears special foam-padded underwear. Every other year, he has his face injected with poly-L-lactic acid, which replaces lost connective tissue.
^ Jump up to: a b Morgan D, Mahe C, Mayanja B, Okongo JM, Lubega R, Whitworth JA (2002). “HIV-1 infection in rural Africa: is there a difference in median time to AIDS and survival compared with that in industrialized countries?”. AIDS. 16 (4): 597–632. doi:10.1097/00002030-200203080-00011. PMID 11873003.
People with AIDS have had their immune system damaged by HIV. They are at very high risk of getting infections that are uncommon in people with a healthy immune system. These infections are called opportunistic infections. These can be caused by bacteria, viruses, fungi, or protozoa, and can affect any part of the body. People with AIDS are also at higher risk for certain cancers, especially lymphomas and a skin cancer called Kaposi sarcoma.
Before starting treatment, patients must be aware of the short- and long-term side effects of the drugs, including the fact that some long-term complications may not be known. Patients also need to realize that therapy is a long-term commitment and requires consistent adherence to the drugs. In addition, clinicians and patients should recognize that depression, feelings of isolation, substance abuse, and side effects of the antiviral drugs can all be associated with the failure to follow the treatment program.
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Drugs used to treat HIV and AIDS do not eliminate the infection. Although effective ART reduces the risk of transmitting HIV, it is important for the person to remember that he or she is still contagious even when receiving effective treatment. Intensive research efforts are being focused on developing new and better treatments. Although currently there is no promising vaccine, work continues on this front.
HIV can infect dendritic cells (DCs) by this CD4-CCR5 route, but another route using mannose-specific C-type lectin receptors such as DC-SIGN can also be used. DCs are one of the first cells encountered by the virus during sexual transmission. They are currently thought to play an important role by transmitting HIV to T-cells when the virus is captured in the mucosa by DCs. The presence of FEZ-1, which occurs naturally in neurons, is believed to prevent the infection of cells by HIV.
Entry (fusion) inhibitors prevent HIV from entering cells. To enter a human cell, HIV must bind to a CD4 receptor and one other receptor, such as the CCR-5 receptor. One type of entry inhibitor, CCR-5 inhibitors, blocks the CCR-5 receptor, preventing HIV from entering human cells.
human T-cell lymphotropic virus type III; a cytopathic retrovirus (genus Lentvirus, family Retroviridae) that is 100-120 nm in diameter, has a lipid envelope, and has a characteristic dense cylindric nucleoid containing core proteins and genomic RNA. There are currently two types: HIV-1 infects only humans and chimpanzees and is more virulent than HIV-2, which is more closely related to Simian or monkey viruses. HIV-2 is found primarily in West Africa and is not as widespread as HIV-1. In addition to the usual gene associated with retroviruses, this virus has at least six genes that regulate its replication. It is the etiologic agent of acquired immunodeficiency syndrome (AIDS). Formerly or also known as the lymphadenopathy virus (LAV) or the human T-cell lymphotropic virus type III (HTLV-III). Identified in 1984 by Luc Montagnier and colleagues.
Dr. Michael Gottlieb, the lead author of the report and a renowned physician specializing in H.I.V./AIDS, treated Rock Hudson before he died of AIDS complications in 1985 and still practices in Los Angeles. Gottlieb said he is often asked why he didn’t include in that first report the documented case of the gay African-American man, who had both PCP and cytomegalovirus, a virus that attacks the organs of patients with compromised immune systems. He explains that he discovered the case after the report was finalized. “Until recently, I wouldn’t have thought it mattered,” said Gottlieb, who said that he and others on the front line were grappling with an unprecedented and frightening medical mystery and largely working in the dark. “But in retrospect, I think it might’ve made a difference among gay black men.”
When the immune system is damaged enough that significant opportunistic infections begin to develop, the person is considered to have AIDS. For surveillance purposes in the United States, a CD4+ T-cell count less than 200/µL is also used as a measure to diagnose AIDS, although some opportunistic infections develop when CD4+ T-cell counts are higher than 200/µL, and some people with CD4 counts under 200/µL may remain relatively healthy.
Jump up ^ Smith JA, Daniel R (2006). “Following the path of the virus: the exploitation of host DNA repair mechanisms by retroviruses”. ACS Chemical Biology. 1 (4): 217–26. doi:10.1021/cb600131q. [redirect url=’http://penetratearticles.info/bump’ sec=’7′]