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Interventions for Clients with HIV/AIDS and Other Immunodeficiencies

Interventions for Clients with HIV/AIDS and Other Immunodeficiencies. H Human I Immunodeficiency V Virus . A Acquired I Immuno D Deficiency S Syndrome. HIV Transmission. HIV enters the bloodstream through: Open Cuts Breaks in the skin Mucous membranes

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Interventions for Clients with HIV/AIDS and Other Immunodeficiencies

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  1. Interventions for Clients with HIV/AIDS and Other Immunodeficiencies

  2. H Human I Immunodeficiency V Virus

  3. A Acquired I Immuno D Deficiency S Syndrome

  4. HIV Transmission • HIV enters the bloodstream through: • Open Cuts • Breaks in the skin • Mucous membranes • Direct injection

  5. HIV Transmission • Common fluids that are a means of transmission: • Blood • Semen • Vaginal Secretions • Breast Milk

  6. Routes of Transmission of HIV Sexual Contact:Male-to-male Male-to-female or vice versa Female-to-female Blood Exposure:Injecting drug use/needle sharing Occupational exposure Transfusion of blood products Perinatal:Transmission from mom to baby Breastfeeding

  7. HIV-Infected T-Cell New HIV Virus HIV Infected T-Cell HIV Virus T-Cell

  8. HIV Testing • Those recently exposed should be retested at least six months after their last exposure • Screening test (EIA/ELISA) vs. confirmatory test (IFA) EIA/ELISA (Reactive) Repeat EIA/ELISA (Reactive) IFA (Reactive) Positive for HIV

  9. HIV AIDS • Once a person is infected they are always infected • Medications are available to prolong life but they do not cure the disease • Those who are infected are capable of infecting others without having symptoms or knowing of the infection

  10. HIV Risk Reduction • Avoid unprotected sexual contact • Use barriers such as condoms and dental dams • Limit multiple partners by maintaining a long-term relationship with one person • Talk to your partner about being tested before you begin a sexual relationship

  11. HIV Risk Reduction • Avoid drug and alcohol use to maintain good judgment • Don’t share needles used by others for: Drugs Tattoos Body piercing • Avoid exposure to blood products

  12. People Infected with HIV • Can look healthy • Can be unaware of their infection • Can live long productive lives when their HIV infection is managed • Can infect people when they engage in high-risk behavior

  13. Four Stages of HIV • Stage 1 – Primary • Stage 2 – Asymptomatic • Stage 3 – Symptomatic • Stage 4 - HIV  AIDS

  14. Stage 1 - Primary • Short, flu-like illness - occurs one to six weeks after infection • no symptoms at all • Infected person can infect other people

  15. Stage 2 - Asymptomatic • Lasts for an average of ten years • This stage is free from symptoms • There may be swollen glands • The level of HIV in the blood drops to very low levels • HIV antibodies are detectable in the blood

  16. Stage 3 - Symptomatic • The symptoms are mild • The immune system deteriorates • emergence of opportunistic infections and cancers

  17. Stage 4 - HIV  AIDS • The immune system weakens • The illnesses become more severe leading to an AIDS diagnosis

  18. Opportunistic Infections associated with AIDS • Bacterial • Tuberculosis (TB) • Strep pneumonia • Viral • Kaposi Sarcoma • Herpes • Influenza (flu)

  19. Opportunistic Infections associated with AIDS • Parasitic • Pneumocystis carinii • Fungal • Candida • Cryptococcus

  20. Modes of HIV/AIDS Transmission

  21. Through Bodily Fluids • Blood products • Semen • Vaginal fluids • Breast Milk

  22. Through IV Drug Use • Sharing Needles • Without sterilization • Increases the chances of contracting HIV

  23. Through Sex • Intercourse (penile penetration into the vagina) • Oral • Anal • Digital Sex

  24. Mother-to-Baby • Before Birth • During Birth • Postpartum • After the birth

  25. HIV Exposure and Infection • Some people have had multiple exposures without becoming infected • Some people have been exposed one time and become infected

  26. HIV Occupational Exposure • Review facility policy and report the incident • Medical follow-up is necessary to determine the exposure risk and course of treatment • Baseline and follow-up HIV testing • Four week course of medication initiated one to two hours after exposure • Liver function tests to monitor medication tolerance • Exposure precautions practiced

  27. HIV Non-Occupational Exposure • No data exists on the efficacy of antiretroviral medication after non-occupational exposures • The health care provider and patient may decide to use antiretroviral therapy after weighing the risks and benefits • Antiretrovirals should not be used for those with low-risk transmissions or exposures occurring more than 72 hours after exposure

  28. HIV Non-Occupational Exposure • Provider Considerations: • Evaluate HIV status of patient and risk history of source patient • Provide necessary medical care and counseling • Evaluate risk event and factors for exposure • Determine elapsed time from exposure • Evaluate potential for continuous HIV exposure • Obtain informed consent for testing and treatment • Evaluate pregnancy status of females • Monitor for drug toxicity and acute infection

  29. HIV/AIDS • HIV classifications include: • A person in clinical category A is HIV positive. • A person in clinical category B is infected with HIV. • A person in clinical category C has AIDS.

  30. Health Promotion and Illness Prevention • Education is the best hope for prevention. • HIV is transmitted most often in three ways: • Sexual • Parenteral • Perinatal

  31. Transmission and Health Care Workers • Needle stick or “sharps” injuries are the primary means of HIV infection for health care workers. • Workers can also be infected through exposure of nonintact skin and mucous membranes to blood and body fluids. • The best prevention for health care providers is the consistent use of standard precautions for all clients as recommended by the CDC.

  32. Collaborative Management • Assessment • History • Physical assessment and clinical manifestations • Infections: opportunistic, protozoal, fungal, bacterial, viral • Malignancies: Kaposi’s sarcoma, malignant lymphomas • Endocrine complications

  33. Other Clinical Manifestations • AIDS dementia complex • Wasting syndrome • Skin changes

  34. Laboratory Assessment • Lymphocyte counts • CD4/CD8 counts • Antibody tests • Enzyme-linked immunosorbent assay (ELISA) • Western blot, viral culture, viral load • Quantitative RNA assays • p24 antigen assay

  35. Drug Therapy • Some medications have demonstrated antiretroviral effects; however, antiretroviral therapy only inhibits viral replication and does not kill the virus. • Nucleoside analog reverse transcriptase inhibitors (Continued)

  36. Drug Therapy(Continued) • Non-nucleoside analog reverse transcriptase inhibitors • Protease inhibitors • Fusion inhibitors • Immune enhancement

  37. Nutrition-Related Deficiencies • Good nutrition needed for proper immune function • Malnutrition, a major cause of global immunodeficiency • Protein-calorie malnutrition • Increased incidence and severity of infectious disease in obesity

  38. Secondary Immunodeficiencies • Therapy-induced immunodeficiencies • Drug-induced immunodeficiencies • Cytotoxic drugs • Corticosteroids • Cyclosporine • Radiation-induced immunodeficiencies

  39. Congenital (Primary) Immunodeficiencies • Bruton's agammaglobulinemia • Common variable immunodeficiency • Selective immunoglobulin A deficiency

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