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Predictor of MDR TB

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https://www.readbyqxmd.com/read/28970158/predictors-of-poor-treatment-outcomes-in-multidrug-resistant-tuberculosis-patients-a-retrospective-cohort-study
#1
Arshad Javaid, Irfan Ullah, Haleema Masud, Anila Basit, Waqas Ahmad, Zahid Ahmad Butt, Muhammad Qasim
OBJECTIVES: We aimed to determine the characteristics, treatment outcomes and risk factors for poor treatment outcomes among multidrug-resistant tuberculosis (MDR-TB) patients in the Khyber Pakhtunkhwa province, Pakistan. METHODS: A retrospective cohort study including all patients with MDR-TB attended at the MDR-TB unit in Peshawar was conducted between January 2012 and April 2014. Patients were followed until an outcome of TB treatment was recorded as successful (cured or completed) or unsuccessful...
September 29, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28962599/predictors-of-unsuccessful-interim-treatment-outcomes-of-multidrug-resistant-tuberculosis-patients
#2
Muhammad Atif, Arslan Bashir, Nafees Ahmad, Razia Kaneez Fatima, Sehar Saba, Shane Scahill
BACKGROUND: Interim treatment outcomes at 6-months for multidrug-resistant tuberculosis (MDR-TB) treatment are among the most basic performance monitoring and key evaluation indicators in the Stop and End TB strategy of the World Health Organization (WHO). Therefore, this study was conducted to evaluate the interim treatment outcomes of MDR-TB patients in Pakistan. METHODS: This study was conducted at the Programmatic Management Unit for Drug-resistance TB (PMDT) site of the National Tuberculosis Program (NTP), Pakistan...
September 29, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28911353/persistently-high-early-mortality-despite-rapid-diagnostics-for-drug-resistant-tuberculosis-cases-in-south-africa
#3
K Schnippel, C Firnhaber, N Ndjeka, F Conradie, L Page-Shipp, R Berhanu, E Sinanovic
OBJECTIVE: To describe the timing and predictors of mortality among multidrug- and rifampicin-resistant tuberculosis (MDR/RR-TB) patients reported in the South African electronic drug-resistant TB register (EDRweb), 2012-2014. DESIGN: We present time-to-event survival analysis and Cox proportional hazards regression. Identity numbers were matched to the National Vital Statistics Register. RESULTS: Of the 20 653 patients included in the analysis (median age 35 years, interquartile range 28-43), over half were male (n = 10 944, 53...
October 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28903800/predicting-treatment-failure-death-and-drug-resistance-using-a-computed-risk-score-among-newly-diagnosed-tb-patients-in-tamaulipas-mexico
#4
B E Abdelbary, M Garcia-Viveros, H Ramirez-Oropesa, M H Rahbar, B I Restrepo
The purpose of this study was to develop a method for identifying newly diagnosed tuberculosis (TB) patients at risk for TB adverse events in Tamaulipas, Mexico. Surveillance data between 2006 and 2013 (8431 subjects) was used to develop risk scores based on predictive modelling. The final models revealed that TB patients failing their treatment regimen were more likely to have at most a primary school education, multi-drug resistance (MDR)-TB, and few to moderate bacilli on acid-fast bacilli smear. TB patients who died were more likely to be older males with MDR-TB, HIV, malnutrition, and reporting excessive alcohol use...
October 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28814276/treatment-outcomes-of-patients-with-multidrug-resistant-and-extensively-drug-resistant-tuberculosis-in-hunan-province-china
#5
Kefyalew Addis Alene, Hengzhong Yi, Kerri Viney, Emma S McBryde, Kunyun Yang, Liqiong Bai, Darren J Gray, Archie C A Clements, Zuhui Xu
BACKGROUND: The worldwide emergence of multidrug-resistant tuberculosis (MDR-TB) and extensively drug-resistant tuberculosis (XDR-TB) has posed additional challenges for global tuberculosis (TB) control efforts, as limited treatment options are available and treatment outcomes are often sub-optimal. This study determined treatment outcomes among a cohort of MDR-TB and XDR-TB patients in Hunan Province, China, and identified factors associated with poor treatment outcomes. METHODS: We conducted a retrospective study using data obtained from medical records of TB patients in Hunan Chest Hospital, and from the internet-based TB management information system managed by the Tuberculosis Control Institute of Hunan Province, for the period 2011 to 2014...
August 16, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28712668/treatment-outcomes-of-multidrug-resistant-tuberculosis-patients-in-zhejiang-china-2009-2013
#6
L Zhang, Q Meng, S Chen, M Zhang, B Chen, B Wu, G Yan, X Wang, Z Jia
OBJECTIVES: To examine treatment outcomes and factors associated with poor outcome of multidrug-resistant (MDR) tuberculosis (TB) in China. METHODS: We conducted a prospective observational cohort study including consecutive patients with MDR-TB between 2009 and 2013 in six regions of Zhejiang province. Patients were prescribed treatments by infectious disease specialists, and treatment outcomes were recorded. Sociodemographic characteristics were obtained through a structured questionnaire...
July 13, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28331350/risk-factors-for-multidrug-resistant-tuberculosis-among-tuberculosis-patients-a-case-control-study
#7
Abdulhalik Workicho, Wondwosen Kassahun, Fessahaye Alemseged
BACKGROUND: Multidrug-resistant tuberculosis (MDR-TB) did not receive major attention until recently in sub-Saharan Africa where the tuberculosis incidence and risk factors are highest. Factors leading to development of drug resistance need to be understood to develop appropriate control strategies for national programs. The objective of this study was to identify the risk factors for MDR-TB among tuberculosis patients. METHODS: A case-control study was conducted to assess sociodemographic, behavioral and clinical risk factors using a structured questionnaire and clinical record reviewing...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28320336/multidrug-resistant-tuberculosis-in-ethiopian-settings-and-its-association-with-previous-history-of-anti-tuberculosis-treatment-a-systematic-review-and-meta-analysis
#8
REVIEW
Setegn Eshetie, Mucheye Gizachew, Mulat Dagnew, Gemechu Kumera, Haile Woldie, Fekadu Ambaw, Belay Tessema, Feleke Moges
BACKGROUND: Efforts to control the global burden of tuberculosis (TB) have been jeopardized by the rapid evolution of multi-drug resistant Mycobacterium tuberculosis (MTB), which is resistant to at least isoniazid and rifampicin. Previous studies have documented variable prevalences of multidrug-resistant tuberculosis (MDR-TB) and its risk factors in Ethiopia. Therefore, this meta-analysis is aimed, firstly, to determine the pooled prevalence of MDR-TB among newly diagnosed and previously treated TB cases, and secondly, to measure the association between MDR-TB and a history of previous anti-TB drugs treatment...
March 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28173763/risk-factors-for-poor-multidrug-resistant-tuberculosis-treatment-outcomes-in-kyiv-oblast-ukraine
#9
Omowunmi Aibana, Mariya Bachmaha, Viatcheslav Krasiuk, Natasha Rybak, Timothy P Flanigan, Vasyl Petrenko, Megan B Murray
BACKGROUND: Ukraine is among ten countries with the highest burden of multidrug- resistant TB (MDR-TB) worldwide. Treatment success rates for MDR-TB in Ukraine remain below global success rates as reported by the World Health Organization. Few studies have evaluated predictors of poor MDR-TB outcomes in Ukraine. METHODS: We conducted a retrospective analysis of patients initiated on MDR-TB treatment in the Kyiv Oblast of Ukraine between January 01, 2012 and March 31st, 2015...
February 7, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28125692/recurrence-after-successful-treatment-of-multidrug-resistant-tuberculosis-in-taiwan
#10
Meng-Yu Chen, Yi-Chun Lo, Wan-Chin Chen, Kwei-Feng Wang, Pei-Chun Chan
Recurrence after successful treatment for multidrug-resistant tuberculosis (MDR-TB) is challenging because of limited retreatment options. This study aimed to determine rates and predictors of MDR-TB recurrence after successful treatment in Taiwan. Recurrence rates were analyzed by time from treatment completion in 295 M DR-TB patients in a national cohort. Factors associated with MDR-TB recurrence were examined using a multivariate Cox regression analysis. Ten (3%) patients experienced MDR-TB recurrence during a median follow-up of 4...
2017: PloS One
https://www.readbyqxmd.com/read/28043602/screening-new-tuberculosis-patients-in-mali-for-rifampicin-resistance-at-2months
#11
Bassirou Diarra, Aissata B Cissé, Ousmane Kodio, Moumine Sanogo, Bocar Baya, Antieme C G Togo, Amadou Somboro, Mohamed Tolofoudié, Boureima Degoga, Marie Laure Keita, Fatimata Diallo, Natacha Nguiakam, Gagni Coulibaly, Sidy Bane, Yeya Dit Sadio Sarro, Seydou Doumbia, Robert Leo Murphy, Souleymane Diallo, Bouke C Dejong
OBJECTIVE/BACKGROUND: The recent call for universal drug susceptibility testing (DST) for all tuberculosis (TB) patients will be difficult to meet in settings where Xpert rollout is limited, such as low prevalence of HIV and Multi-drug Resistant Tuberculosis (MDR) settings. As recommended by World Health Organization (WHO) guidelines, the success of TB treatment is measured by Ziehl-Neelsen (ZN) microscopy or auramine-rhodamine fluorescent microscopy (FM) on sputum, in which conversion to negative smear at 2months (M) is an important predictor of treatment success, defined as a negative smear at 5M...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28043522/changes-in-nitric-oxide-synthase-and-nitrite-and-nitrate-serum-levels-in-patients-with-or-without-multidrug-resistant-tuberculosis-undergoing-the-intensive-phase-of-antituberculosis-therapy
#12
Dmytro O Butov, Mykhailo Kuzhko, Tatyana Butova, Ganna Stepanenko
OBJECTIVE/BACKGROUND: There is a paucity of published data on the effect of tuberculosis (TB) chemotherapy on nitric oxide (NO) synthesis and metabolism in newly diagnosed and relapsed patients with or without multidrug-resistant TB (MDR-TB). METHODS: The pattern of NO response in 140 patients with pulmonary TB, including 74 with MDR-TB (1st group) and 66 without MDR-TB (2nd group) has been studied and compared with the NO status of 30 healthy donors (3rd group)...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28043498/multidrug-resistant-tuberculosis-in-ethiopian-settings-and-its-association-with-previous-antituberculosis-treatment-a-systematic-review-and-meta-analysis
#13
Setegn Eshetie, Feleke Moges, Mulat Dagnew
OBJECTIVES/BACKGROUND: Efforts to control the global burden of tuberculosis (TB) epidemic have now been jeopardized by the rapid evolution of drug-resistant Mycobacterium tuberculosis (MTB), which are resistant to one or more anti-TB drugs. Multidrug resistant (MDR) TB in Ethiopia may be more prevalent than previously appreciated; thus, up-to-date national drug resistance studies are critically needed. Therefore, this meta-analysis aimed, first, to determine pooled prevalence of MDR TB among newly diagnosed and previously treated TB cases, and second, to measure the association between previous anti-TB exposure and acquisition of MDR-MTB infection...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/27978594/treatment-outcomes-in-patients-with-multidrug-resistant-tuberculosis-in-north-west-ethiopia
#14
Kefyalew Addis Alene, Kerri Viney, Emma S McBryde, Adino Tesfahun Tsegaye, Archie C A Clements
OBJECTIVE: Multidrug-resistant tuberculosis (MDR-TB) is an emerging public health problem in Ethiopia. The aim of this study was to assess MDR-TB treatment outcomes and determine predictors of poor treatment outcomes in north-west Ethiopia. METHODS: A retrospective cohort study was conducted using all MDR-TB patients who were enrolled at Gondar University Hospital since the establishment of the MDR-TB programme in 2010. A Cox proportional hazard model was used to identify the predictors of time to poor treatment outcomes, which were defined as death or treatment failure...
March 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/27671062/association-between-embb-codon-306-mutations-phenotypic-resistance-profiles-and-genotypic-characterization-in-clinical-mycobacterium-tuberculosis-isolates-from-hebei-china
#15
Yanan Li, Yuling Wang, Zhi Zhang, Huixia Gao, Haibin Wang, Jinfeng Cao, Shumin Zhang, Yuzhen Liu, Jianhua Lu, Zungui Xu, Erhei Dai
Ethambutol (EMB) is an essential first-line drug for tuberculosis (TB) treatment. Nucleotide substitutions at embB codon 306 (embB306) have been proposed to be a potential marker for EMB resistance and a predictor of broad drug resistance in clinical Mycobacterium tuberculosis isolates. However, discordant findings about the association between embB306 mutations and EMB resistance were reported. Hebei Province is located in the Beijing-Tianjin-Hebei integration region in China; however, little information about the genetic diversity of the embB locus in this area is available...
December 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27530850/predictors-of-death-among-drug-resistant-tuberculosis-patients-in-kuala-lumpur-malaysia-a-retrospective-cohort-study-from-2009-to-2013
#16
Noorsuzana Mohd Shariff, Shamsul Azhar Shah, Fadzilah Kamaludin
The emergence of drug-resistant tuberculosis (TB) is a major public health threat. However, little is known about the predictors of death in drug-resistant TB in Malaysia. This study aimed to determine the predictors of death in drug-resistant TB patients, including multidrug-resistant TB (MDR-TB), in Kuala Lumpur, Malaysia. This study adopted a retrospective cohort study design and involved laboratory-confirmed drug-resistant TB patients (n=426) from January 2009 to June 2013. A Cox regression model and Kaplan-Meier curves were used to model the outcome measure...
September 2016: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/27467560/effects-of-multidrug-resistant-tuberculosis-treatment-on-patients-health-related-quality-of-life-results-from-a-follow-up-study
#17
Nafees Ahmad, Arshad Javaid, Syed Azhar Syed Sulaiman, Anila Basit, Afsar Khan Afridi, Ammar Ali Saleh Jaber, Amer Hayat Khan
BACKGROUND: At present, within the management of multidrug resistant tuberculosis (MDR-TB) much attention is being paid to the traditional microbiological and clinical indicators. Evaluation of the impact of MDR-TB treatment on patients' Health Related Quality of Life (HRQoL) has remained a neglected area. OBJECTIVE: To evaluate the impact of MDR-TB treatment on patients HRQoL, and determine the predictors of variability in HRQoL along the course of treatment. METHODS: A prospective follow up study was conducted at the programmatic management unit for drug resistant TB of Lady Reading Hospital Peshawar...
2016: PloS One
https://www.readbyqxmd.com/read/27458224/artificial-intelligence-and-amikacin-exposures-predictive-of-outcomes-in-multidrug-resistant-tuberculosis-patients
#18
Chawangwa Modongo, Jotam G Pasipanodya, Beki T Magazi, Shashikant Srivastava, Nicola M Zetola, Scott M Williams, Giorgio Sirugo, Tawanda Gumbo
Aminoglycosides such as amikacin continue to be part of the backbone of treatment of multidrug-resistant tuberculosis (MDR-TB). We measured amikacin concentrations in 28 MDR-TB patients in Botswana receiving amikacin therapy together with oral levofloxacin, ethionamide, cycloserine, and pyrazinamide and calculated areas under the concentration-time curves from 0 to 24 h (AUC0-24). The patients were followed monthly for sputum culture conversion based on liquid cultures. The median duration of amikacin therapy was 184 (range, 28 to 866) days, at a median dose of 17...
October 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27458026/baseline-predictors-of-treatment-outcomes-in-children-with-multidrug-resistant-tuberculosis-a-retrospective-cohort-study
#19
Silvia S Chiang, Jeffrey R Starke, Ann C Miller, Andrea T Cruz, Hernán Del Castillo, William José Valdivia, Gabriela Tunque, Fanny García, Carmen Contreras, Leonid Lecca, Valentina A Alarcón, Mercedes C Becerra
BACKGROUND: Globally, >30 000 children fall sick with multidrug-resistant (MDR) tuberculosis every year. Without robust pediatric data, clinical management follows international guidelines that are based on studies in adults and expert opinion. We aimed to identify baseline predictors of death, treatment failure, and loss to follow-up among children with MDR tuberculosis disease treated with regimens tailored to their drug susceptibility test (DST) result or to the DST result of a source case...
October 15, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/27246779/determination-of-mic-breakpoints-for-second-line-drugs-associated-with-clinical-outcomes-in-multidrug-resistant-tuberculosis-treatment-in-china
#20
Xubin Zheng, Rongrong Zheng, Yi Hu, Jim Werngren, Lina Davies Forsman, Mikael Mansjö, Biao Xu, Sven Hoffner
Our study aims to identify the clinical breakpoints (CBPs) of second-line drugs (SLDs) above which standard therapy fails in order to improve multidrug-resistant tuberculosis (MDR-TB) treatment. MICs of SLDs were determined for M. tuberculosis isolates cultured from 207 MDR-TB patients in a prospective cohort study in China between January 2010 and December 2012. Classification and regression tree (CART) analysis was used to identify the CBPs predictive of treatment outcome. Of the 207 MDR-TB isolates included in the present study, the proportion of isolates above the critical concentration recommended by WHO ranged from 5...
August 2016: Antimicrobial Agents and Chemotherapy
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