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High Isoniazid Resistance Rates In Rifampicin Susceptible Mycobacterium Tuberculosis Pulmonary Isolates From Pakistan, Naima Fasih, Yasraba Rafiq, Kausar Jabeen, Rumina Hasan
High Isoniazid Resistance Rates In Rifampicin Susceptible Mycobacterium Tuberculosis Pulmonary Isolates From Pakistan, Naima Fasih, Yasraba Rafiq, Kausar Jabeen, Rumina Hasan
Department of Pathology and Laboratory Medicine
Background:
Rapid new diagnostic methods (including Xpert MTB/RIF assay) use rifampicin resistance as a surrogate marker for multidrug resistant tuberculosis. Patients infected with rifampicin susceptible strains are prescribed first line anti-tuberculosis therapy. The roll out of such methods raises a concern that strains with resistance to other first line anti-tuberculosis drugs including isoniazid will be missed and inappropriate treatment given. To evaluate implications of using such methods review of resistance data from high burden settings such as ours is essential.
Objective:
To determine resistance to first line anti-tuberculosis drugs amongst rifampicin susceptible pulmonary Mycobacterium tuberculosis (MTB) isolates from Pakistan.
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