The study of pyrazinamide resistance in Mycobacterium tuberculosis isolates from high-risk groups at Office of Disease Prevention and Control 3 Nakhonsawan between fiscal year 2016 to 2018

Authors

  • Veeralak Saytangjai B.S. (Medical Technology) Office of Disease Prevention and Control Nakhon Sawan Province Region 3
  • Sommawan Kaewsangthongcharoen B.S. (Medical Technology) Office of Disease Prevention and Control Nakhon Sawan Province Region 3
  • Anugoon Bunkhong B.S. (Medical Technology), LL.B., M.MT. Office of Disease Prevention and Control Nakhon Sawan Province Region 3

Keywords:

Pyrazinamide, Multidrug-resistant tuberculosis (MDR-TB), High risk group

Abstract

This study aimed to determine the rate of PZA resistance in three high-risk groups of tuberculosis (TB) patients consists of re-treatment, on-treatment and pre-treatment. Three hundred and seventy-one of high-risk group samples were performed using drug susceptibility testing in tuberculosis laboratory of the Office of Disease Prevention and Control 3 NakhonSawan Province, during fiscal year 2016 to 2018. The highest rate of PZA resistance was the on-treatment group (15.9%) followed by re-treatment group (11.0%) and pre-treatment group (8.2%), respectively but there were no statistically significant differences (P-value = 0.186). The rates of PZA resistance were found in 32.4% of MDR-TB isolates and 6.6% of pan-susceptible isolates. Comparison of drug susceptibility testing results of PZA and other four first-line anti-tuberculosis drugs i.e., streptomycin (SM), isoniazid (INH), rifampicin (RIF) and ethambutol (EMB) showed statistically significant differences (P-value <0.05). The highest rate of PZA resistance was 80.0% that found in EMB resistance isolates while PZA resistance rates of RIF, SM and INH resistance isolates were 28.9%, 28.6% and 27.4%, respectively. PZA susceptibility testing should be performed in three high-risk groups especially on-treatment group because percentage of MDR-TB and the PZA resistance rate of this group were high.

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Published

13-01-2021

How to Cite

1.
Saytangjai B.S. (Medical Technology) V, Kaewsangthongcharoen B.S. (Medical Technology) S, Bunkhong B.S. (Medical Technology), LL.B., M.MT. A. The study of pyrazinamide resistance in Mycobacterium tuberculosis isolates from high-risk groups at Office of Disease Prevention and Control 3 Nakhonsawan between fiscal year 2016 to 2018. JDPC3 [internet]. 2021 Jan. 13 [cited 2025 Dec. 17];14(3):56-68. available from: https://he01.tci-thaijo.org/index.php/JDPC3/article/view/244452

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Original Article