THE STUDY OF UTILITY OF CBNAAT IN DIAGNOSING PULMONARY TUBERCULOSIS IN HIV POSITIVE PATIENTS IN NORTH KARNATAKA
Journal Title: Journal of Evidence Based Medicine and Healthcare - Year 2019, Vol 6, Issue 19
Abstract
BACKGROUND Tuberculosis being a global burden, there is a need for early detection and treatment of pulmonary TB. CBNAAT is used as rapid diagnostic test and it is a highly efficient. Twenty five percent of global annual TB incidents occur in India making it the highest Tuberculosis burdened country. We wanted to study the role of CBNAAT in early the diagnosis of tuberculosis/multi-drug resistant tuberculosis in HIV seropositive subjects and compare the detection of M. tuberculosis in sputum by CBNAAT with conventional sputum microscopy in pulmonary tuberculosis. METHODS Patients who presented with persistent cough for more than two weeks, chest X ray suggestive of PTB were subjected to sputum examination by routine microscopy and cartridge based nucleic acid amplification technique (CBNAAT). RESULTS CBNAAT had a sensitivity of 100%, specificity of 79.31%, PPV of 41.94% and NPV of 100% and diagnostic accuracy of 82%, whereas sputum microscopy showed only 41.94% sensitivity. CONCLUSIONS CBNAAT helps in early detection of tuberculosis, takes less than 2 hours, and is more sensitive in detecting tuberculosis in HIV sero-positive cases compared to sputum microscopy and reduces the false negative rates. Drug resistance can concomitantly be identified.
Authors and Affiliations
Ameet Vasantrao Khatawkar, Nagaraj Talikoti, Prashant Kumar Malkiwadeyar, Md. Juned, Veeresh Basavaraj Hubballi, Ganeshgouda Majigoudra, Mohith H. N, Shravan Kumar Potkar
Keywords
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- EP ID EP619812
- DOI 10.18410/jebmh/2019/298
- Views 82
- Downloads 0
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