Tuesday, 1 March 2016

TB in HIV infection | PGIMER MCQs for MD MS Preparations


True about TB in HIV infection 

a. Less susceptibility to ATT 
b. Same susceptibility to ATT 
c. Faster progression of ATT 
d. TB more common in AIDS 
e. Occurs in early stages of HIV


Ans. (B) Same susceptibility to ATT; (D) TB is more common in AIDS.
• Tuberculosis is an important opportumstic disease among HIV infected individual
• Incidence is about 70 — 80%
• Tuberculosis can appear at any stage of HIV infection
• When cell-mediate immunity is only partially compromised, Pulmonary tuberculosis present as typical pattern but
in late stage of HIV infection primary tuberculosis like pattern with diffuse interstitial or miliary infiltrates, little or
no cavitation with intrathoracic lymphadenopathy is common.
• Sputum smear is less frequently positive.
• Extra pulmonary tuberculosis is about 30-40% among HIV infected patients.
• Standard treatment regimens are equally efficacious in HIV negative and HIV positive patients.
• Three important considerations relevant to tuberculosis treatment in HIV infected patients are:
- An increased frequency of immune reconstitution syndrome.
- Drugs interaction between HAART and rifamycins.
- Development of rifampin mono-resistance with widely spaced intermittent treatment.

- CPT (cotrimoxazole) to be included in regime for management