Multicenter evaluation of crystal violet decolorization assay (CVDA) for rapid detection of isoniazid and rifampicin resistance in Mycobacterium tuberculosis

The aim of this multicenter study was to evaluate the performance of the crystal violet decolorization assay (CVDA) for detection of multidrug resistant tuberculosis (MDR-TB). This study was performed in 11 centers in two phases. A total of 156 isolates were tested for INH and RIF resistance. In the...

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Veröffentlicht in:Scientific reports 2016-12, Vol.6 (1), p.39050-39050, Article 39050
Hauptverfasser: Coban, Ahmet Yilmaz, Akbal, Ahmet Ugur, Bicmen, Can, Albay, Ali, Sig, Ali Korhan, Uzun, Meltem, Selale, Deniz Sertel, Ozkutuk, Nuri, Surucuoglu, Suheyla, Albayrak, Nurhan, Ucarman, Nilay, Ozkutuk, Aydan, Esen, Nuran, Ceyhan, Ismail, Ozyurt, Mustafa, Bektore, Bayhan, Aslan, Gonul, Delialioğlu, Nuran, Alp, Alpaslan
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container_end_page 39050
container_issue 1
container_start_page 39050
container_title Scientific reports
container_volume 6
creator Coban, Ahmet Yilmaz
Akbal, Ahmet Ugur
Bicmen, Can
Albay, Ali
Sig, Ali Korhan
Uzun, Meltem
Selale, Deniz Sertel
Ozkutuk, Nuri
Surucuoglu, Suheyla
Albayrak, Nurhan
Ucarman, Nilay
Ozkutuk, Aydan
Esen, Nuran
Ceyhan, Ismail
Ozyurt, Mustafa
Bektore, Bayhan
Aslan, Gonul
Delialioğlu, Nuran
Alp, Alpaslan
description The aim of this multicenter study was to evaluate the performance of the crystal violet decolorization assay (CVDA) for detection of multidrug resistant tuberculosis (MDR-TB). This study was performed in 11 centers in two phases. A total of 156 isolates were tested for INH and RIF resistance. In the phase I, 106 clinical isolates were tested in the Center 1–7. In the phase 2, 156 clinical isolates were tested in the center 1–6, center 8–11. Eighty six of 156 tested isolates were the same in phase I. Agreements were 96.2–96.8% for INH and 98.1–98.7% for RIF in the phase I-II, respectively. Mean time to obtain the results in the phase I was 14.3 ± 5.4 days. In the phase II, mean time to obtain the results was 11.6 ± 3.5 days. Test results were obtained within 14days for 62.3% (66/106) of isolates in the phase I and 81.4% (127/156) of isolates in the phase II. In conclusion, CVDA is rapid, reliable, inexpensive, and easy to perform for rapid detection of MDR-TB isolates. In addition, it could be adapted for drug susceptibility testing with all drugs both in developed and developing countries.
doi_str_mv 10.1038/srep39050
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subjects 631/326/22
631/326/2521
Clinical isolates
Decolorization
Developing countries
Gentian violet
Humanities and Social Sciences
Isoniazid
LDCs
multidisciplinary
Multidrug resistance
Multidrug resistant organisms
Rifampin
Science
Tuberculosis
title Multicenter evaluation of crystal violet decolorization assay (CVDA) for rapid detection of isoniazid and rifampicin resistance in Mycobacterium tuberculosis
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