scholarly journals Extensively Drug-Resistant Tuberculosis in South Korea: Risk Factors and Treatment Outcomes among Patients at a Tertiary Referral Hospital

2008 ◽  
Vol 46 (1) ◽  
pp. 42-49 ◽  
Author(s):  
C. Y. Jeon ◽  
S. H. Hwang ◽  
J. H. Min ◽  
D. R. Prevots ◽  
L. C. Goldfeder ◽  
...  
Author(s):  
Khasan Safaev ◽  
Nargiza Parpieva ◽  
Irina Liverko ◽  
Sharofiddin Yuldashev ◽  
Kostyantyn Dumchev ◽  
...  

Uzbekistan has a high burden of drug-resistant tuberculosis (TB). Although conventional treatment for multidrug-resistant TB (MDR-TB) and extensively drug-resistant TB (XDR-TB) has been available since 2013, there has been no systematic documentation about its use and effectiveness. We therefore documented at national level the trends, characteristics, and outcomes of patients with drug-resistant TB enrolled for treatment from 2013–2018 and assessed risk factors for unfavorable treatment outcomes (death, failure, loss to follow-up, treatment continuation, change to XDR-TB regimen) in patients treated in Tashkent city from 2016–2017. This was a cohort study using secondary aggregate and individual patient data. Between 2013 and 2018, MDR-TB numbers were stable between 2347 and 2653 per annum, while XDR-TB numbers increased from 33 to 433 per annum. At national level, treatment success (cured and treatment completed) for MDR-TB decreased annually from 63% to 57%, while treatment success for XDR-TB increased annually from 24% to 57%. On multivariable analysis, risk factors for unfavorable outcomes, death, and loss to follow-up in drug-resistant TB patients treated in Tashkent city included XDR-TB, male sex, increasing age, previous TB treatment, alcohol abuse, and associated comorbidities (cardiovascular and liver disease, diabetes, and HIV/AIDS). Reasons for these findings and programmatic implications are discussed.


2015 ◽  
Vol 41 (6) ◽  
pp. 554-559 ◽  
Author(s):  
Marcos Abdo Arbex ◽  
Hélio Ribeiro de Siqueira ◽  
Lia D'Ambrosio ◽  
Giovanni Battista Migliori

ABSTRACT Here, we report the cases of three patients diagnosed with extensively drug-resistant tuberculosis and admitted to a referral hospital in the state of São Paulo, Brazil, showing the clinical and radiological evolution, as well as laboratory test results, over a one-year period. Treatment was based on the World Health Organization guidelines, with the inclusion of a new proposal for the use of a combination of antituberculosis drugs (imipenem and linezolid). In the cases studied, we show the challenge of creating an acceptable, effective treatment regimen including drugs that are more toxic, are more expensive, and are administered for longer periods. We also show that treatment costs are significantly higher for such patients, which could have an impact on health care systems, even after hospital discharge. We highlight the fact that in extreme cases, such as those reported here, hospitalization at a referral center seems to be the most effective strategy for providing appropriate treatment and increasing the chance of cure. In conclusion, health professionals and governments must make every effort to prevent cases of multidrug-resistant and extensively drug-resistant tuberculosis.


2019 ◽  
Vol 6 (Supplement_2) ◽  
pp. S493-S494
Author(s):  
Anupa Thampy ◽  
Marilyn Ninan ◽  
Joy Sarojini Michael ◽  
Priscilla Rupali

Abstract Background Treatment of drug-resistant tuberculosis (DR-TB) requires toxic and complex drug regimens. Dismal outcomes occur due to a delay in the report of susceptibility results. WHO endorses genotypic tests like line probe assay (Mtbdrsl) for an early diagnosis enabling start of robust treatment regimens. Data correlating Mtbdrsl and specific mutations with outcome are rare. Methods A concurrent cohort study was conducted on all patients diagnosed to have DR-TB between January 2016 and June 2017 in the departments of Pulmonary Medicine and Infectious Diseases at a tertiary care center in India. Patients aged >18 years with a positive Mtbdrsl (done on culture) or Mycobacterial culture were prospectively followed up till completion of therapy for assessment of outcomes. Patients were divided into 2 groups based on diagnostic method used: culture group and Mtbdrsl group. Risk factors for adverse outcomes were assessed. Results Total of 82 patients, of which 62.2% were males with a mean age of 32 years were included; 50 in the Mtbdrsl group and 32 in the culture group. Among these, 40.2% were multi-drug-resistant Tuberculosis (MDR-TB), 53.7% were Pre–XDR (pre-extensively drug resistant i.e, quinolone-resistant tuberculosis) and 6.1% were XDR (extensively drug-resistant TB). Isolated pulmonary involvement (46.3%) was common followed by disseminated TB (29.3%). Overall good outcome was seen in 39/82 (14.6% cured and 32.9% completed treatment) and bad outcome in 43/82 (41.5% lost to follow up, 7.3% treatment failure and 3.7% died). Good outcome was noted in Mtbdrsl group was 22/50 (44%) vs. 17/32 (53.1%) in the culture group. Mtbdrsl group had 140 days mean decrease in time to initiation of appropriate therapy but the odds of having a better outcome was 0.693 (CI: 0.284–1.690, P = 0.499). Among the 15 different types of mutations, FQ mutations gyrA 94Gly and gyrA 90Val comprised 15% each with gyrA 94Gly noted to have a poorer outcome [OR 2.5 (CI 0.471–13.265)]. All 5 patients with XDR TB (50 % had rrs 1401Gly mutation) had a poor outcome. Conclusion Contrary to what is expected, Mtbdrsl did not significantly contribute to better treatment outcomes. High-risk mutation gyrA 94Gly was prevalent and associated with poorer outcomes. Small sample size and a wide variety of mutations preclude generalizability of our results. Disclosures All authors: No reported disclosures.


2019 ◽  
Vol 25 (3) ◽  
pp. 441-450 ◽  
Author(s):  
Muhammad Osman ◽  
Elizabeth P. Harausz ◽  
Anthony J. Garcia-Prats ◽  
H. Simon Schaaf ◽  
Brittany K. Moore ◽  
...  

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