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  • Công bố khoa học và công nghệ Việt Nam

76.29.53; 76.03

Nguyễn Thị Thu Thái, Nguyễn Thái Sơn, Đinh Ngọc Sỹ(1)

Độ phù hợp của phương pháp sinh học phân tử với kháng sinh đồ trong phát hiện vi khuẩn lao kháng Rifampicin

Overall concordance of molecular method with conventional drug susceptibiuty testing for detecting rifampicin-resistant mycobacterium tuberculosis

Y học Việt Nam

2014

2

10-13

1859-1868

Study carried out on 54 rifampicin-resistant M. tuberculosis strains and 20 susceptible strains that were collected in the North, Central and South of Vietnam in 528bp region of rpoB gene. All 20 susceptible strains had no mutations in the rpoB gene. 52/54 RIF-resistant strains showed mutations in the rpoB gene (96.3 percent). Sensitivity, specificity, negative predictive value, positive predictive value of rpoB gene sequencing method was 96.3 percent, 100 percent, 90.9 percent and 100 percent for detecting rifampicin resistance, respectively. Overall concordance of the rpoB gene sequencing technique with conventional drug susceptibility testing was very high (kappa value was 0.934) for detecting rifampicin resistance. rpoB gene sequencing technique can be applied in screening and diagnosis of rifampicin-resistant and also multi-drug resistant M. tuberculosis for high-risk patients.

TTKHCNQG, CVv 46