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Neftaly BHIVA guidelines for the management of tuberculosis in adults living with HIV
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Certainly! The South African (Neftaly) BHIVA guidelines for the management of tuberculosis (TB) in adults living with HIV** align with international standards but are adapted for local context and resource availability. Below is a summary of the key points from the BHIVA (British HIV Association) guidelines with considerations relevant to South Africa (Neftaly):
Management of Tuberculosis in Adults Living with HIV (Based on BHIVA & adapted for South Africa):
1. Screening and Diagnosis
- All people living with HIV (PLHIV) should be routinely screened for TB symptoms (cough, fever, night sweats, weight loss).
- Use Xpert MTB/RIF as the first-line diagnostic test for TB (detects TB and rifampicin resistance).
- Additional tests: Chest X-ray, sputum culture, or urinary LAM (lipoarabinomannan) antigen test in severely immunocompromised patients (CD4 <100).
- Screen for latent TB infection in asymptomatic patients, especially those with high CD4 counts, using Tuberculin Skin Test (TST) or Interferon-Gamma Release Assays (IGRA), where available.
2. Treatment of Active TB
- Use the standard 6-month regimen:
- Intensive phase (2 months): Isoniazid, Rifampicin, Pyrazinamide, Ethambutol (HRZE)
- Continuation phase (4 months): Isoniazid and Rifampicin (HR)
- For rifampicin-resistant TB, follow local guidelines for multidrug-resistant TB (MDR-TB).
- Adjust antiretroviral therapy (ART) considering drug interactions:
- Rifampicin is a potent inducer of cytochrome P450 enzymes and reduces the levels of many ART drugs.
- Preferred ART regimens include Efavirenz-based or Dolutegravir-based regimens, with dosage adjustments as needed.
- Start ART as soon as possible within 2 weeks of starting TB treatment if CD4 <50 cells/mm³, and within 8 weeks if CD4 >50 cells/mm³.
3. ART and TB Treatment Drug Interactions
- Efavirenz: Generally compatible with rifampicin.
- Dolutegravir: Recommended with a dose adjustment (50 mg twice daily) during rifampicin use.
- Avoid protease inhibitors with rifampicin or adjust with rifabutin.
4. Management of TB Immune Reconstitution Inflammatory Syndrome (IRIS)
- Occurs typically 2-8 weeks after starting ART.
- Characterized by worsening symptoms/signs of TB.
- Management includes corticosteroids for moderate-severe cases and continuation of ART and TB treatment.
5. Preventive Therapy
- Offer Isoniazid Preventive Therapy (IPT) for 6 months to all PLHIV without active TB, regardless of ART status.
- Consider IPT after ruling out active TB using symptom screening and diagnostic tests.
- Continuous monitoring for TB symptoms during IPT.
6. Monitoring and Follow-up
- Regular clinical review to monitor adherence, side effects, and treatment response.
- Laboratory monitoring for liver toxicity and other adverse drug reactions.
- Monitor viral load and CD4 counts per standard HIV care guidelines.
Summary Table
| Aspect | Recommendation |
|---|---|
| TB Screening | Routine symptom screening; Xpert MTB/RIF first-line test |
| Active TB Treatment | 6-month standard regimen (HRZE → HR) |
| ART Initiation Timing | Within 2 weeks if CD4 <50; within 8 weeks if CD4 >50 |
| Preferred ART Regimens | Efavirenz-based or Dolutegravir with dose adjustments |
| TB Preventive Therapy | 6 months Isoniazid for all without active TB |
| Manage IRIS | Corticosteroids if severe, continue ART and TB meds |
If you want, I can provide you with more detailed South African National TB and HIV guidelines or specific BHIVA guideline excerpts. Would you like that?
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