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Okumu A, Orwa J, Sitati R, Omondi I, Odhiambo B, Ogoro J, Oballa G, Ochieng B, Wandiga S, Ouma C. Factors associated with tuberculosis drug resistance among presumptive multidrug resistance tuberculosis patients identified in a DRTB surveillance study in western Kenya. J Clin Tuberc Other Mycobact Dis 2024; 37:100466. [PMID: 39188352 PMCID: PMC11345928 DOI: 10.1016/j.jctube.2024.100466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/28/2024] Open
Abstract
Multidrug-resistant tuberculosis (MDR-TB) is caused by M. tuberculosis (Mtb) with resistance to the first-line anti-TB medicines isoniazid (INH) and rifampicin (RIF). In Western Kenya, there is reported low prevalence of drug resistant strains among HIV tuberculosis patients, creating a need to determine factors associated with drug resistance patterns among presumptive MDR-TB patients. To determine factors associated with drug resistance patterns among presumptive MDR-TB patients in western Kenya. Three hundred and ninety (3 9 0) sputum sample isolates from among presumptive multidrug TB patients, were analyzed for TB drug resistance as per Ministry of Health (MoH) TB program diagnostic algorithm. Frequency and percentages were used to summarize categorical data while median and interquartile range (IQR) were used for continuous data. Multivariable logistic regression was carried out to identify factors associated with TB drug resistance. Out of 390 participants enrolled, 302/390 (77.4 %) were males, with a median age of 34 years. The HIV-infected were 118/390 (30.3 %). Samples included 322 (82.6 %) from presumptive patients, while 68/390 (17.4 %) were either lost to follow-up patients, failures to first-line treatment or newly diagnosed cases. A total of 64/390 (16.4 %) of the isolates had at least some form of drug resistance. Out of 390, 14/390 (3.6 %) had MDR, 12 (3.1 %) were RIF mono-resistance, 34 (8.7 %) had INH, while 4 (1 %) had ethambutol resistance. The category of previously treated patients (those who received or are currently on TB treatment) had a 70 % reduced likelihood of resistance (aOR: 0.30; 95 % CI: 0.13-0.70). In contrast, older age was associated with an increased likelihood of resistance to INH and RIF, with an adjusted odds ratio of 1.04 per year (95 % CI: 1.00-1.08). Prompt MDR-TB diagnosis is essential for appropriate patient care, management, and disease prevention and control. We recommend active surveillance on drug resistant TB in these regions to detect drug resistance patterns for rapid disease management.
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Affiliation(s)
- Albert Okumu
- Kenya Medical Research Institute, Centre for Global Health Research, PO Box 1578 -40100, Kisumu, Kenya
- Department of Biomedical Sciences and Technology, Maseno University, PO Box 333-40105, Maseno, Kenya
| | - James Orwa
- The Aga Khan University, Department of Population Health Science, University Center, PO BOX 30270- 00100, Nairobi, Kenya
| | - Ruth Sitati
- Kenya Medical Research Institute, Centre for Global Health Research, PO Box 1578 -40100, Kisumu, Kenya
| | - Isaiah Omondi
- Kenya Medical Research Institute, Centre for Global Health Research, PO Box 1578 -40100, Kisumu, Kenya
| | - Ben Odhiambo
- Kenya Medical Research Institute, Centre for Global Health Research, PO Box 1578 -40100, Kisumu, Kenya
| | - Jeremiah Ogoro
- Ministry of Health, National Leprosy and Tuberculosis Program, NLTP, Afya House Annex, Kenyatta National Hospital, Hospital Road, Nairobi P.O. Box, 30016-00100, Kenya
| | - George Oballa
- Ministry of Health, National Leprosy and Tuberculosis Program, NLTP, Afya House Annex, Kenyatta National Hospital, Hospital Road, Nairobi P.O. Box, 30016-00100, Kenya
| | - Benjamin Ochieng
- Kenya Medical Research Institute, Centre for Global Health Research, PO Box 1578 -40100, Kisumu, Kenya
| | - Steve Wandiga
- Kenya Medical Research Institute, Centre for Global Health Research, PO Box 1578 -40100, Kisumu, Kenya
| | - Collins Ouma
- Department of Biomedical Sciences and Technology, Maseno University, PO Box 333-40105, Maseno, Kenya
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Dekhil N, Mardassi H. Delineating the evolutionary pathway to multidrug-resistant outbreaks of a Mycobacterium tuberculosis L4.1.2.1/Haarlem sublineage. Int J Infect Dis 2024; 144:107077. [PMID: 38697608 DOI: 10.1016/j.ijid.2024.107077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 04/23/2024] [Accepted: 04/28/2024] [Indexed: 05/05/2024] Open
Abstract
OBJECTIVES We sought to capture the evolutionary itinerary of the Mycobacterium tuberculosis L4.1.2.1/Haarlem sublineage in northern Tunisia, where it caused a major multidrug-resistant (MDR) tuberculosis outbreak in a context strictly negative for HIV infection. METHODS We combined whole genome sequencing and Bayesian approaches using a representative collection of drug-susceptible and drug-resistant L4.1.2.1/Haarlem clinical strains (n = 121) recovered from the outbreak region over 16 years. RESULTS In the absence of drug resistance, the L4.1.2.1/Haarlem sublineage showed a propensity for rapid transmission as witnessed by the high clustering (44.6%) and recent transmission rates (25%), as well as the reduced mean distance between genome pairs. The entire pool of L4.1.2.1/Haarlem MDR strains was found to be linked to either the aforementioned major outbreak (68 individuals, 2001-2016) or to a minor, newly uncovered outbreak (six cases, 2001-2011). Strikingly, the two outbreaks descended independently from a common ancestor that can be dated back to 1886. CONCLUSIONS Our data point to the intrinsic propensity for rapid transmission of the M. tuberculosis L4.1.2.1/Haarlem sublineage in northern Tunisia, linking the overall MDR tuberculosis epidemic to a single ancestor. These findings bring out the important role of the bacillus' genetic background in the emergence of successful MDR M. tuberculosis clones.
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Affiliation(s)
- Naira Dekhil
- Unit of Typing & Genetics of Mycobacteria, Laboratory of Molecular Microbiology, Vaccinology, and Biotechnology Development, Institut Pasteur de Tunis, Université de Tunis El Manar, Tunis, Tunisia
| | - Helmi Mardassi
- Unit of Typing & Genetics of Mycobacteria, Laboratory of Molecular Microbiology, Vaccinology, and Biotechnology Development, Institut Pasteur de Tunis, Université de Tunis El Manar, Tunis, Tunisia.
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Birhanu MY, Bekele GM, Jemberie SS. Molecular detection of rifampicin-resistant Mycobacterium tuberculosis by polymerase chain reaction in Ethiopia: a systematic review and meta-analysis. Front Med (Lausanne) 2024; 11:1319845. [PMID: 38912342 PMCID: PMC11190194 DOI: 10.3389/fmed.2024.1319845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 03/11/2024] [Indexed: 06/25/2024] Open
Abstract
Introduction Tuberculosis is a contagious bacterial disease caused by Mycobacterium tuberculosis. The emergence and spread of drug-resistant strains of M. tuberculosis in both developing and developed countries has made diagnosis, treatment, and control of tuberculosis more difficult. The PCR assay, which is a fast and sensitive technique and an alternative method for detecting multidrug-resistant tuberculosis, is used to determine rifampicin (RIF) resistance. There is no single figure in Ethiopia that represents rifampicin-resistant tuberculosis and that is why this study was conducted to overcome the inconsistency of the results of the previous studies. Methods Studies were researched from five major electronic databases. Studies which were cross-sectional in design, published, and written in English were included. The data were extracted using Microsoft Excel, and the data were managed and analyzed using Stata™ Version 17.0 statistical software. The Forest plot was used to check the presence of heterogeneity. The publication bias, meta-regression, and subgroup analysis were used to find out the source of heterogeneity. A random effect analysis model was used to pool the prevalence of RR TB from primary studies, and associated factors of RR among TB patients were identified using Meta regression. The presence of association was reported using OR with 95% CI. Results The overall pooled prevalence of tuberculosis was 14.9% (95% CI: 13.34, 16.46), of these approximately 7.48% (95% CI: 6.30, 8.66) showed rifampicin-resistant tuberculosis in Ethiopia. Among the computed variables, 2.05% living with HIV1.39 (95%CI: 1.13, 1.72) and having a history of TB treatment (95%CI: 1.34, 3.15) were identified as significant factors associated with RR TB in Ethiopia. Conclusion Drug-resistant TB is one of the prevalent emerging infectious diseases among TB patients, which affects approximately one out of every thirteen TB patients. Having TB-HIV coinfection and a history of prior TB treatment were identified as significant factors associated with RR TB. To prevent and control RR TB, patients should complete their follow-up course; the health professionals should educate the actions taken by the patients when they experience drug toxicity and side effects; and the Minister of Health should initiate telemedicine and recruit tracers to overcome TB patients' default and have good drug adherence and retention after initiation of the treatment.
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Affiliation(s)
- Molla Yigzaw Birhanu
- Department of Public Health, College of Health Sciences, Debre Markos University, Debre Markos, Ethiopia
| | - Getamesay Molla Bekele
- Department of Gynecology and Obstetrics, School of Medicine, Debre Markos University, Debre Markos, Ethiopia
| | - Selamawit Shita Jemberie
- Department of Midwifery, College of Health Sciences, Debre Markos University, Debre Markos, Ethiopia
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Bhanushali A, Atre S, Nair P, Thandaseery GA, Shah S, Kuruwa S, Zade A, Nikam C, Gomare M, Chatterjee A. Whole-genome sequencing of clinical isolates from tuberculosis patients in India: real-world data indicates a high proportion of pre-XDR cases. Microbiol Spectr 2024; 12:e0277023. [PMID: 38597637 PMCID: PMC11064594 DOI: 10.1128/spectrum.02770-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 03/11/2024] [Indexed: 04/11/2024] Open
Abstract
Treatment decisions for tuberculosis (TB) in the absence of full drug-susceptibility data can result in amplifying resistance and may compromise treatment outcomes. Genomics of Mycobacterium tuberculosis (M.tb) from clinical samples enables detection of drug resistance to multiple drugs. We performed whole-genome sequencing (WGS) for 600 clinical samples from patients with tuberculosis to identify the drug-resistance profile and mutation spectrum. We documented the reasons reported by clinicians for referral. WGS identified a high proportion (51%) of pre-extensively drug-resistant (pre-XDR) cases followed by multidrug-resistant tuberculosis (MDR-TB) (15.5%). This correlates with the primary reason for referral, as non-response to the first-line treatment (67%) and treatment failure or rifampicin resistance (14%). Multivariate analysis indicated that all young age groups (P < 0.05), male gender (P < 0.05), and Beijing strain (P < 0.01) were significant independent predictors of MDR-TB or MDR-TB+ [pre-extensively drug-resistant tuberculosis (XDR-TB) and XDR-TB]. Ser315Thr (72.5%) in the inhA gene and Ser450Leu in the rpoB gene (65.5%) were the most prevalent mutations, as were resistance-conferring mutations to pyrazinamide (41%) and streptomycin (61.33%). Mutations outside the rifampicin resistance-determining region (RRDR), Ile491Phe and Val170Phe, were seen in 1.3% of cases; disputed mutations in rpoB (Asp435Tyr, His445Asn, His445Leu, and Leu430Pro) were seen in 6% of cases, and mutations to newer drugs such as bedaquiline and linezolid in 1.0% and 7.5% of cases, respectively. This study on clinical samples highlights that there is a high proportion of pre-XDR cases and emerging resistance to newer drugs; ongoing transmission of these strains can cause serious threat to public health; and whole-genome sequencing can effectively identify and support precision medicine for TB. IMPORTANCE The current study is based on real-world data on the TB drug-resistance profile by whole-genome sequencing of 600 clinical samples from patients with TB in India. This study indicates the clinicians' reasons for sending samples for WGS, which is for difficult-to-treat cases and/or relapse and treatment failure. The study reports a significant proportion of cases with pre-XDR-TB strains that warrant policy makers' attention. It reflects the current iterative nature of the diagnostic tests under programmatic conditions that leads to delays in appropriate diagnosis and empirical treatment. India had an estimated burden of 2.95 million TB cases in 2020 and 135,000 multidrug-resistant cases. However, WGS profiles of M.tb from India remains disproportionately poorly represented. This study adds a significant body of data on the mutation profiles seen in M.tb isolated from patients with TB in India, mutations outside the RRDR, disputed mutations, and resistance-conferring mutations to newer drugs such as bedaquiline and linezolid.
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Affiliation(s)
| | - Sachin Atre
- Dr. D.Y. Patil Medical College Hospital and Research Centre, Pune, India
| | - Preethi Nair
- HaystackAnalytics Pvt. Ltd., IIT Bombay, Mumbai, India
| | | | - Sanchi Shah
- HaystackAnalytics Pvt. Ltd., IIT Bombay, Mumbai, India
| | | | - Amrutraj Zade
- HaystackAnalytics Pvt. Ltd., IIT Bombay, Mumbai, India
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Li M, Deng B, Huang Y, Li Q, Han J, Tang S, Chen L. Trends and risk factors for drug-resistant tuberculosis among children in Sichuan, China: A 10-year retrospective analysis, 2013-2022. Medicine (Baltimore) 2024; 103:e37643. [PMID: 38608104 PMCID: PMC11018228 DOI: 10.1097/md.0000000000037643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 02/27/2024] [Indexed: 04/14/2024] Open
Abstract
To investigate the status of the drug-resistant tuberculosis (DR-TB) among children in Sichuan, and to find out the risk factors and high-risk population related to drug resistance among children. The clinical data of tuberculosis patients ≤14 years old with culture-confirmed tuberculosis hospitalized in Chengdu Public Health Clinical Center from January 2013 through December 2022 were collected. Clinical data such as gender, age, ethnicity, history of anti-TB treatment, history of exposure to tuberculosis, nutritional status, and specific drug resistance of the children were collected and recorded. The drug resistance of children in different age groups (0-4 years old, 5-9 years old, 10-14 years old) and different periods (2013-2017 and 2018-2022) were grouped and compared. Logistic regression analysis was to analyze analysis of risk factors of drug resistance in children. A total of 438 children with culture-confirmed tuberculosis were screened. Among them, 26.19% (11/42) were 0 to 4 years old, 33.33% (22/66) were 5 to 9 years old, and 36.67% (121/330) were 10 to 14 years old among the resistant children. There was no statistically significant difference in the resistance rate among the 3 groups (P = .385). The proportions of DR-TB, monoresistant tuberculosis, polydrug-resistant tuberculosis were decreased during 2019 to 2022 compared with 2013 to 2017 (P < .0001). The resistance rates of drug resistant, monoresistant, polydrug-resistant, isoniazid-resistant, and rifampicin resistant during 2018 to 2022 were decreased compared with those from 2013 to 2017 (P < .05), but the multi-drug resistance rate was not decreased (P = .131, without statistical difference). The results of logistic regression analysis showed that male gender OR = 1.566 (95% CI 1.035-2.369), a history of antituberculosis therapy OR = 4.049 (95% CI 1.442-11.367), and pulmonary and extrapulmonary tuberculosis OR = 7.335 (95% CI 1.401-38.392) were risk factors for the development of drug resistance; but fever OR = 0.581 (95% CI 0.355-0.950) was Protective factor. The total drug resistance rate of children in Sichuan showed a downward trend, but the rate of multi-drug-resistant tuberculosis was still at a high level, and the form of drug resistance was still severe. Absence of fever, male, retreatment, and pulmonary concurrent with extrapulmonary tuberculosis are risk factors for DR-TB in children.
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Affiliation(s)
- Maoying Li
- Chengdu Public Health Clinic Center, Chengdu, Sichuan, China
| | - Bin Deng
- Chengdu Public Health Clinic Center, Chengdu, Sichuan, China
| | - Yuhong Huang
- Chengdu Public Health Clinic Center, Chengdu, Sichuan, China
| | - Qiong Li
- Chengdu Public Health Clinic Center, Chengdu, Sichuan, China
| | - Jing Han
- Chengdu Public Health Clinic Center, Chengdu, Sichuan, China
| | | | - Lei Chen
- Chengdu Public Health Clinic Center, Chengdu, Sichuan, China
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Lee H, Bea S, Kim JH, Jeong HE, Jang SH, Son H, Shin JY. Predictors, mortality, and health outcomes of intensive phase non-adherence to a regimen in patients with drug-susceptible tuberculosis: a nationwide linkage database. Public Health 2024; 229:167-175. [PMID: 38452561 DOI: 10.1016/j.puhe.2024.01.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 12/29/2023] [Accepted: 01/22/2024] [Indexed: 03/09/2024]
Abstract
OBJECTIVES The clinical importance of adhering to the regimen in tuberculosis patients has been widely investigated, but most studies were conducted in controlled settings and in limited populations. We aimed to measure the level of real-world adherence during intensive phase and investigate the predictors and the risk of mortality and health outcomes of intensive phase non-adherence in tuberculosis patients. STUDY DESIGN We conducted a nationwide cohort study by linking the Korean National Tuberculosis Surveillance System and the National Health Information Database. METHODS We included all incident drug-susceptible tuberculosis patients who initiated the regimens recommended by the World Health Organization from 2013 to 2018. Adherence was measured using the proportion of days covered (poor [<50%], moderate [50%-79%], and high [≥80%]). We used logistic regression model to assess predictors and the Cox proportional hazard model to evaluate the risk of mortality and health outcomes with intensive phase non-adherence. RESULTS Of 46,818 patients, there were 8% and 11% with poor and moderate adherent groups, respectively. Age ≥45 years, insulin use, and history of renal failure were predictors of non-adherence. Compared with high adherent group, poor and moderate adherent groups were associated with a substantial risk of mortality (poor: hazard ratio, 2.14 [95% confidence interval, 1.95-2.34]; moderate: 1.76 [1.62-1.92]). Similar trends were observed for health outcomes. Stratified analyses showed a higher risk of mortality in patients with medical aid, low income, and history of renal failure, systematic corticosteroids, and immunomodulators. CONCLUSIONS Non-adherence during intensive phase increased mortality risk by twofold, underscoring targeted intervention for high-risk population, including advanced diabetes, and immunocompromised patients.
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Affiliation(s)
- Hyesung Lee
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea; Department of Biohealth Regulatory Science, Sungkyunkwan University, Suwon, South Korea
| | - Sungho Bea
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea; Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Ju Hwan Kim
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea; Department of Biohealth Regulatory Science, Sungkyunkwan University, Suwon, South Korea
| | - Han Eol Jeong
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea; Department of Biohealth Regulatory Science, Sungkyunkwan University, Suwon, South Korea
| | - Seung Hun Jang
- Division of Pulmonary, Allergy, and Critical Care Medicine, College of Medicine, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, South Korea
| | - Hyunjin Son
- Department of Preventive Medicine, College of Medicine, Dong-A University, Busan, South Korea
| | - Ju-Young Shin
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea; Department of Biohealth Regulatory Science, Sungkyunkwan University, Suwon, South Korea; Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University, Seoul, South Korea.
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Chen Y, Liu J, Zhang Q, Chen H, Chai L, Wang Y, Zhang J, Qiu Y, Shen N, Shi X, Wang Q, Wang J, Li S, Li M. Global burden of MDR-TB and XDR-TB attributable to high fasting plasma glucose from 1990 to 2019: a retrospective analysis based on the global burden of disease study 2019. Eur J Clin Microbiol Infect Dis 2024; 43:747-765. [PMID: 38367094 DOI: 10.1007/s10096-024-04779-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 02/05/2024] [Indexed: 02/19/2024]
Abstract
PURPOSE High fasting plasma glucose (HFPG) has been identified as a risk factor for drug-resistant tuberculosis incidence and mortality. However, the epidemic characteristics of HFPG-attributable multidrug-resistant tuberculosis (MDR-TB) and extensively drug-resistant tuberculosis (XDR-TB) remain unclear. We aimed to analyze the global spatial patterns and temporal trends of HFPG-attributable MDR-TB and XDR-TB from 1990 to 2019. METHODS Utilizing data from the Global Burden of Disease 2019 project, annual deaths and disability-adjusted life years (DALYs) of HFPG-attributable MDR-TB and XDR-TB were conducted from 1990 to 2019. Joinpoint regression was employed to quantify trends over time. RESULTS From 1990 to 2019, the deaths and DALYs due to HFPG-attributable MDR-TB and XDR-TB globally showed an overall increasing trend, with a significant increase until 2003 to 2004, followed by a gradual decline or stability thereafter. The low sociodemographic index (SDI) region experienced the most significant increase over the past 30 years. Regionally, Sub-Saharan Africa, Central Asia and Oceania remained the highest burden. Furthermore, there was a sex and age disparity in the burden of HFPG-attributable MDR-TB and XDR-TB, with young males in the 25-34 age group experiencing higher mortality, DALYs burden and a faster increasing trend than females. Interestingly, an increasing trend followed by a stable or decreasing pattern was observed in the ASMR and ASDR of HFPG-attributable MDR-TB and XDR-TB with SDI increasing. CONCLUSION The burden of HFPG-attributable MDR-TB and XDR-TB rose worldwide from 1990 to 2019. These findings emphasize the importance of routine bi-directional screening and integrated management for drug-resistant TB and diabetes.
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Affiliation(s)
- Yuqian Chen
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xian Jiaotong University, No. 277, West Yanta Road, Xian, Shaanxi, 710061, People's Republic of China
| | - Jin Liu
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xian Jiaotong University, No. 277, West Yanta Road, Xian, Shaanxi, 710061, People's Republic of China
| | - Qianqian Zhang
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xian Jiaotong University, No. 277, West Yanta Road, Xian, Shaanxi, 710061, People's Republic of China
| | - Huan Chen
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xian Jiaotong University, No. 277, West Yanta Road, Xian, Shaanxi, 710061, People's Republic of China
| | - Limin Chai
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xian Jiaotong University, No. 277, West Yanta Road, Xian, Shaanxi, 710061, People's Republic of China
| | - Yan Wang
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xian Jiaotong University, No. 277, West Yanta Road, Xian, Shaanxi, 710061, People's Republic of China
| | - Jia Zhang
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xian Jiaotong University, No. 277, West Yanta Road, Xian, Shaanxi, 710061, People's Republic of China
| | - Yuanjie Qiu
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xian Jiaotong University, No. 277, West Yanta Road, Xian, Shaanxi, 710061, People's Republic of China
| | - Nirui Shen
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xian Jiaotong University, No. 277, West Yanta Road, Xian, Shaanxi, 710061, People's Republic of China
| | - Xiangyu Shi
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xian Jiaotong University, No. 277, West Yanta Road, Xian, Shaanxi, 710061, People's Republic of China
| | - Qingting Wang
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xian Jiaotong University, No. 277, West Yanta Road, Xian, Shaanxi, 710061, People's Republic of China
| | - Jian Wang
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xian Jiaotong University, No. 277, West Yanta Road, Xian, Shaanxi, 710061, People's Republic of China
| | - Shaojun Li
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xian Jiaotong University, No. 277, West Yanta Road, Xian, Shaanxi, 710061, People's Republic of China
| | - Manxiang Li
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xian Jiaotong University, No. 277, West Yanta Road, Xian, Shaanxi, 710061, People's Republic of China.
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Dheda K, Mirzayev F, Cirillo DM, Udwadia Z, Dooley KE, Chang KC, Omar SV, Reuter A, Perumal T, Horsburgh CR, Murray M, Lange C. Multidrug-resistant tuberculosis. Nat Rev Dis Primers 2024; 10:22. [PMID: 38523140 DOI: 10.1038/s41572-024-00504-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/16/2024] [Indexed: 03/26/2024]
Abstract
Tuberculosis (TB) remains the foremost cause of death by an infectious disease globally. Multidrug-resistant or rifampicin-resistant TB (MDR/RR-TB; resistance to rifampicin and isoniazid, or rifampicin alone) is a burgeoning public health challenge in several parts of the world, and especially Eastern Europe, Russia, Asia and sub-Saharan Africa. Pre-extensively drug-resistant TB (pre-XDR-TB) refers to MDR/RR-TB that is also resistant to a fluoroquinolone, and extensively drug-resistant TB (XDR-TB) isolates are additionally resistant to other key drugs such as bedaquiline and/or linezolid. Collectively, these subgroups are referred to as drug-resistant TB (DR-TB). All forms of DR-TB can be as transmissible as rifampicin-susceptible TB; however, it is more difficult to diagnose, is associated with higher mortality and morbidity, and higher rates of post-TB lung damage. The various forms of DR-TB often consume >50% of national TB budgets despite comprising <5-10% of the total TB case-load. The past decade has seen a dramatic change in the DR-TB treatment landscape with the introduction of new diagnostics and therapeutic agents. However, there is limited guidance on understanding and managing various aspects of this complex entity, including the pathogenesis, transmission, diagnosis, management and prevention of MDR-TB and XDR-TB, especially at the primary care physician level.
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Affiliation(s)
- Keertan Dheda
- Centre for Lung Infection and Immunity, Division of Pulmonology, Department of Medicine and UCT Lung Institute & South African MRC/UCT Centre for the Study of Antimicrobial Resistance, University of Cape Town, Cape Town, South Africa.
- Faculty of Infectious and Tropical Diseases, Department of Immunology and Infection, London School of Hygiene and Tropical Medicine, London, UK.
| | - Fuad Mirzayev
- Global Tuberculosis Programme, WHO, Geneva, Switzerland
| | - Daniela Maria Cirillo
- Emerging Bacterial Pathogens Unit, IRCCS San Raffaele Scientific Institute Milan, Milan, Italy
| | - Zarir Udwadia
- Department of Pulmonology, Hinduja Hospital & Research Center, Mumbai, India
| | - Kelly E Dooley
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Kwok-Chiu Chang
- Tuberculosis and Chest Service, Centre for Health Protection, Department of Health, Hong Kong, SAR, China
| | - Shaheed Vally Omar
- Centre for Tuberculosis, National & WHO Supranational TB Reference Laboratory, National Institute for Communicable Diseases, a division of the National Health Laboratory Service, Johannesburg, South Africa
- Department of Molecular Medicine & Haematology, School of Pathology, Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa
| | - Anja Reuter
- Sentinel Project on Paediatric Drug-Resistant Tuberculosis, Boston, MA, USA
| | - Tahlia Perumal
- Centre for Lung Infection and Immunity, Division of Pulmonology, Department of Medicine and UCT Lung Institute & South African MRC/UCT Centre for the Study of Antimicrobial Resistance, University of Cape Town, Cape Town, South Africa
- Faculty of Infectious and Tropical Diseases, Department of Immunology and Infection, London School of Hygiene and Tropical Medicine, London, UK
| | - C Robert Horsburgh
- Department of Epidemiology, Boston University Schools of Public Health and Medicine, Boston, MA, USA
| | - Megan Murray
- Department of Epidemiology, Harvard Medical School, Boston, MA, USA
| | - Christoph Lange
- Division of Clinical Infectious Diseases, Research Center Borstel, Borstel, Germany
- German Center for Infection Research (DZIF), TTU-TB, Borstel, Germany
- Respiratory Medicine & International Health, University of Lübeck, Lübeck, Germany
- Department of Paediatrics, Baylor College of Medicine and Texas Children's Hospital, Houston, TX, USA
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Akalu TY, Clements ACA, Xu Z, Bai L, Alene KA. Determinants of drug-resistant tuberculosis in Hunan province, China: a case-control study. BMC Infect Dis 2024; 24:198. [PMID: 38350860 PMCID: PMC10863170 DOI: 10.1186/s12879-024-09106-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 02/06/2024] [Indexed: 02/15/2024] Open
Abstract
BACKGROUND Drug-resistant tuberculosis (DR-TB) is a major public health threat in Hunan Province, with an increasing clinical burden in recent years. This study aimed to identify socio-demographic and clinical factors associated with DR-TB in Hunan province, China. METHODS A case-control study was conducted in Hunan province. Cases were all DR-TB patients who were confirmed by culture and Drug susceptibility testing (DST) and enrolled at the DR-TB treatment center of Hunan Chest Hospital from 2013 to 2018. Controls were all Drug Susceptible TB (DS-TB) patients confirmed by DST and enrolled at the same hospital during the same period. A multivariable logistic regression model was fitted to identify factors significantly associated with DR-TB. RESULTS A total of 17,808 patients (15,534 DS-TB controls and 2274 DR-TB cases) were included in the study, with a mean age of 42.5 years (standard deviation (SD) ± 17.5 years) for cases and 46.1 years (SD ± 19.1 years) for controls. Age 15-64 years (Adjusted odds ratio (AOR = 1.5, 95% CI; 1.4, 1.8)), ethnic minorities (AOR = 1.5; 95% CI; 1.4, 1.8), and a history of previous TB treatment (AOR) = 1.84; 95% CI: 1.57, 2.15) was significantly associated with DR-TB. Being resident in a province outside Hunan was also a significant risk factor (AOR = 1.67; 1.27, 2.21) for DR-TB. CONCLUSION AND RECOMMENDATIONS To prevent the occurrence of DR-TB in Hunan Province, interventions should be targeted at high-risk demographic groups such as ethnic minorities, individuals of productive age, and residents living outside the province. Interventions must also be targeted to previously treated cases, suggesting the appropriateness of diagnosis, treatment, and follow-up. Understanding the risk factors at the province level helps design strategies for controlling DR-TB due to variations by socioeconomic differences, quality of health care, and healthcare access.
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Affiliation(s)
- Temesgen Yihunie Akalu
- School of Population Health, Faculty of Health Sciences, Curtin University, Perth, Western Australia, Australia.
- Geospatial and Tuberculosis Research Team, Telethon Kids Institute, Perth, Western Australia, Australia.
- Institute of Public Health, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia.
| | - Archie C A Clements
- Geospatial and Tuberculosis Research Team, Telethon Kids Institute, Perth, Western Australia, Australia
- Penninsula Medical School, University of Plymouth, Plymouth, UK
| | - Zuhui Xu
- Xiangya School of Public Health, Central South University, Changsha, China
| | - Liqiong Bai
- TB Control Institute of Hunan Province, Changsha, China
| | - Kefyalew Addis Alene
- School of Population Health, Faculty of Health Sciences, Curtin University, Perth, Western Australia, Australia
- Geospatial and Tuberculosis Research Team, Telethon Kids Institute, Perth, Western Australia, Australia
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Tritar F, Ben Saad S, Ferchichi M, Ben Mansour A, Slim A, Neffati O, Bellili H, Slim L, Daghfous H. Risk factors for treatment failure in multidrug resistant tuberculosis in Tunisia: An analytic study. LA TUNISIE MEDICALE 2024; 102:44-48. [PMID: 38545729 PMCID: PMC11261501 DOI: 10.62438/tunismed.v102i1.4521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 11/26/2023] [Indexed: 07/25/2024]
Abstract
INTRODUCTION-AIM The emergence of multidrug resistant tuberculosis (MDR-TB) is a threat to global public health. The aim of our study was to determine risk factors for treatment failure in MDR-TB. METHODS Retrospective study conducted between January 2000 and March 2019 including patients with MDR-TB. Characteristics of patients with therapeutic failure were compared to cured ones. Logistic regression analysis was used to identify risk factors for treatment failure. RESULTS Our study included 140 patients aged of 42±13 years (18-80). Fifty-seven percent of patients had treatment success and 12% had treatment failure. In multivariate logistic regression analysis, treatment failure was associated with age over 45 years (OR=1.05; 95%CI, 1.024-7.736;p=0.014), primary education level and illiteracy (OR=5.022; 95%CI, 1.316-19.161;p=0,018), history of incarceration (OR=3.291; 95%CI, 1.291-21.083;p=0.016), undernutrition (OR=4.544; 95%CI, 2.304-54.231;p=0,027), extensive TB (OR=6.406; 95%CI, 1.761-23.922; p=0.038), initial high grade positive smears (OR=1.210; 95%CI, 1.187-32.657; p=0.045), positive smear culture at 90 days of treatment (OR=6.871, 95%CI, 3.824-23.541; p=0.003), poor adherence (OR=6.110; 95%CI, 2.740-12.450; p=0.021) and occurrence of psychiatric adverse events (OR=3.644 95%CI, 2.560- 27.268; p=0.041). CONCLUSION Therapeutic education, nutritional and psychological support and close follow-up are strongly recommended to optimize the prognosis of MDR-TB.
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Affiliation(s)
- Fatma Tritar
- Pulmonary department (C), Abderrahman Mami Hospital, Tunisia
- Tunis El Manar University
| | - Soumaya Ben Saad
- Pulmonary department (C), Abderrahman Mami Hospital, Tunisia
- Tunis El Manar University
| | - Mariem Ferchichi
- Pulmonary department (C), Abderrahman Mami Hospital, Tunisia
- Tunis El Manar University
| | - Amani Ben Mansour
- Pulmonary department (C), Abderrahman Mami Hospital, Tunisia
- Tunis El Manar University
| | - Azza Slim
- Pulmonary department (C), Abderrahman Mami Hospital, Tunisia
- Tunis El Manar University
| | - Othman Neffati
- Pulmonary department, Menzel Bourguiba Hospital, Tunisia
| | - Hedia Bellili
- Tunis El Manar University
- Department of epidemiology. Habib Thameur Hospital, Tunisia
| | - Leila Slim
- Tunis El Manar University
- Bacteriology department, Abderrahman Mami Hospital, Tunisia
| | - Hafaoua Daghfous
- Pulmonary department (C), Abderrahman Mami Hospital, Tunisia
- Tunis El Manar University
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Atre S, Jagtap J, Faqih M, Dumbare Y, Sawant T, Ambike S, Farhat M. Addressing patients' unmet needs related to multidrug-resistant tuberculosis (MDR-TB) care: A qualitative research study from Pune city, India. PLoS One 2023; 18:e0295508. [PMID: 38153918 PMCID: PMC10754455 DOI: 10.1371/journal.pone.0295508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 11/23/2023] [Indexed: 12/30/2023] Open
Abstract
AIM We aimed to identify and describe the unmet needs of patients with multidrug-resistant tuberculosis (MDR-TB). METHODS As a part of larger cross-sectional mixed-methods (qualitative and quantitative data) study on pathways to MDR-TB care, here we present the qualitative component. We interviewed 128 (56 men and 72 women) individuals who had MDR-TB, aged > = 15 years, registered and treated under the National TB Elimination Program (NTEP) in Pune city of India. We carried out thematic analysis of participants' narratives. RESULTS We found that delays in diagnosis, lack of counseling, late referral to the NTEP and unwarranted expenditure were the main barriers to care that study participants experienced in the private sector. Provider dismissal of symptoms, non-courteous behavior, lack of hygiene in the referral centers, forced stay with other patients and lack of support for psychological/psychiatric problems were identified as a few additional challenges that participants faced at the NTEP care centers. CONCLUSION Using qualitative data from experiences of participants with MDR-TB, we identify patients' several unmet needs, attention to which can improve MDR-TB care. Educating private providers about MDR-TB risk and available rapid molecular assays can help the timely diagnosis of MDR-TB and reduce patients' out of pocket costs. At the RNTCP/NTEP, measures such as training health workers to build rapport with patients, maintaining hygienic environments in the health centers with adequate isolation of participants with MDR from other serious cases, referral of patients with psychiatric symptoms to mental health specialists and monitoring drug shortages can help in improving care delivery.
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Affiliation(s)
- Sachin Atre
- Dr. D.Y. Patil Medical College, Hospital and Research Centre Dr. D.Y. Patil Vidyapeeth, Pune, India
| | - Jayshri Jagtap
- Dr. D.Y. Patil Medical College, Hospital and Research Centre Dr. D.Y. Patil Vidyapeeth, Pune, India
| | - Mujtaba Faqih
- Dr. D.Y. Patil Medical College, Hospital and Research Centre Dr. D.Y. Patil Vidyapeeth, Pune, India
| | - Yogita Dumbare
- Dr. D.Y. Patil Medical College, Hospital and Research Centre Dr. D.Y. Patil Vidyapeeth, Pune, India
- HaystackAnalytics Pvt Ltd, Mumbai, India
| | - Trupti Sawant
- Dr. D.Y. Patil Medical College, Hospital and Research Centre Dr. D.Y. Patil Vidyapeeth, Pune, India
| | - Sunil Ambike
- Dr. D.Y. Patil Medical College, Hospital and Research Centre Dr. D.Y. Patil Vidyapeeth, Pune, India
| | - Maha Farhat
- Department of Biomedical Informatics, Harvard Medical School, Boston, Massachusetts, United States of America
- Division of Pulmonary and Critical Care, Massachusetts General Hospital, Boston, Massachusetts, United States of America
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Puerto GM, Castro CM, Rubio VV, Fadul S, Montes F. Tuberculosis multirresistente en Colombia, 2013-2018: estudio de casos y controles. BIOMEDICA : REVISTA DEL INSTITUTO NACIONAL DE SALUD 2023; 43:447-456. [PMID: 38109144 PMCID: PMC10783159 DOI: 10.7705/biomedica.6842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 10/06/2023] [Indexed: 12/19/2023]
Abstract
INTRODUCTION Multidrug-resistant/rifampicin-resistant tuberculosis (MDR/RR-TB) is difficult to control, has high morbidity and mortality, and demands priority public health intervention. In Colombia, MDR/RR-TB has been becoming more widespread annually. Before the COVID-19 pandemic, over an 8-year period, the number of cases of multidrug-resistant tuberculosis in Colombia was close to a thousand cases. Timely identification of the different risk factors for MDR/RR-TB will contribute fundamentally to the systematic management. OBJECTIVE To determine which risk factors were associated with the presentation of MDR in Colombia between 2013 and 2018. MATERIALS AND METHODS A retrospective case-control study was carried out, for which the data from the routine surveillance of MDR/events in the country were used. RESULTS The cases of multidrug-resistant tuberculosis were mainly in young people, Afrodescendants, and males. Of the clinical conditions, comorbidities such as malnutrition, diabetes, and HIV, presence of at least one factor, such as drug dependence, taking immunosuppressive medications, belonging to the black race, afro, and living in an area of high disease burden were risk factors. CONCLUSION In addition to the diagnosis and timely provision of MDR-TB treatment, it is necessary that public health programs at the local level pay special attention to patients with the identified risk factors.
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Affiliation(s)
- Gloria Mercedes Puerto
- Grupo Micobacterias, RED TB COLOMBIA, Dirección de Investigación en Salud Pública, Instituto Nacional de Salud, Bogotá, D. C., Colombia.
| | - Claudia Marcela Castro
- Equipo Banco de Proyectos, RED TB COLOMBIA, Dirección de Investigación en Salud Pública, Instituto Nacional de Salud, Bogotá, D. C., Colombia.
| | - Vivian Vanesa Rubio
- Grupo Micobacterias, RED TB COLOMBIA, Dirección de Investigación en Salud Pública, Instituto Nacional de Salud, Bogotá, D. C., Colombia.
| | - Santiago Fadul
- Grupo Micobacterias, RED TB COLOMBIA, Dirección de Vigilancia y Análisis del Riesgo en Salud Pública, Instituto Nacional de Salud, Bogotá, D. C., Colombia.
| | - Fernando Montes
- Programa de Tuberculosis, RED TB COLOMBIA, Secretaría de Salud de Medellín, Colombia.
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Tong E, Zhou Y, Liu Z, Zhu Y, Zhang M, Wu K, Pan J, Jiang J. Bedaquiline Resistance and Molecular Characterization of Rifampicin-Resistant Mycobacterium Tuberculosis Isolates in Zhejiang, China. Infect Drug Resist 2023; 16:6951-6963. [PMID: 37928607 PMCID: PMC10625375 DOI: 10.2147/idr.s429003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 10/10/2023] [Indexed: 11/07/2023] Open
Abstract
Purpose This study aimed to determine the prevalence and molecular characterization of bedaquiline (BDQ) resistance among rifampicin-resistant tuberculosis (RR-TB) isolates collected from Zhejiang, China. Patients and Methods A total of 245 RR-TB isolates were collected from 19 municipal TB hospitals in Zhejiang province, China between January and December 2021. Microplate assays were used to determine the minimum inhibitory concentrations (MIC) of BDQ. Whole-genome sequencing (WGS) was performed on isolates with MIC values for BDQ ≥ 0.25 μg/mL. Results Five (2.04%) BDQ-resistant strains were isolated from 245 tuberculosis patients. The resistance rate of BDQ was not correlated to the sex, age, treatment history, or occupation of patients. Four BDQ-resistant isolates and three BDQ-sensitive isolates were found to carry Rv0678 mutations, and one BDQ-resistant strain carried both Rv0678 and pepQ mutations. No mutations within the atpE and Rv1979c genes were observed. Conclusion BDQ demonstrated strong in vitro antibacterial activity against RR-TB isolates, and the Rv0678 gene was identified as the primary mechanism contributing to BDQ resistance among RR-TB isolates from Zhejiang, China. Furthermore, in addition to the four currently known resistance-associated genes (atpE, Rv0678, Rv1979c, and pepQ), other mechanisms of resistance to BDQ may exist that need further study.
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Affiliation(s)
- Enyu Tong
- School of Public Health, Hangzhou Normal University, Hangzhou, 311100, People’s Republic of China
| | - Ying Zhou
- School of Public Health, Hangzhou Normal University, Hangzhou, 311100, People’s Republic of China
| | - Zhengwei Liu
- Tuberculosis Control Department, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, 310051, People’s Republic of China
| | - Yelei Zhu
- Tuberculosis Control Department, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, 310051, People’s Republic of China
| | - Mingwu Zhang
- Tuberculosis Control Department, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, 310051, People’s Republic of China
| | - Kunyang Wu
- Tuberculosis Control Department, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, 310051, People’s Republic of China
| | - Junhang Pan
- Tuberculosis Control Department, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, 310051, People’s Republic of China
| | - Jianmin Jiang
- School of Public Health, Hangzhou Normal University, Hangzhou, 311100, People’s Republic of China
- Tuberculosis Control Department, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, 310051, People’s Republic of China
- Key Laboratory of Vaccine, Prevention and Control of Infectious Disease of Zhejiang Province, Hangzhou, 310051, People’s Republic of China
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14
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Olabiyi OE, Okiki PA, Adarabioyo MI, Adebiyi OE, Adegoke OE, Esan OE, Idris OO, Agunbiade TB. Distribution of multi-drug resistant tuberculosis in Ekiti and Ondo states, Nigeria. New Microbes New Infect 2023; 55:101192. [PMID: 38046896 PMCID: PMC10690628 DOI: 10.1016/j.nmni.2023.101192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/27/2023] [Accepted: 10/30/2023] [Indexed: 12/05/2023] Open
Abstract
Background Tuberculosis (TB), caused by Mycobacterium tuberculosis (MTB), is one of the top infectious killer diseases in the world. The emergence of drug-resistant MTB strains has thrown challenges in controlling TB worldwide. This study investigated the prevalence of drug-resistant tuberculosis in the states of Nigeria and the risk factors that can increase the incidence of tuberculosis. Methods The study is a cross-sectional epidemiological research carried out in the six senatorial districts of Ekiti and Ondo states, Nigeria, between February 2019 and January 2020. A structured questionnaire was administered to 1203 respondents for socio-demographic information, and sputum samples were collected from them for TB investigation. GeneXpert technique was used to diagnose TB from the sputum samples, followed by bacterial isolation using Löweinstein-Jensen medium and antibiotic susceptibility testing. Results Prevalence of TB in the two states combined was 15 %; with 13.8 % for Ekiti state and 16.1 % for Ondo State. The distribution of TB in the senatorial districts was such that: Ondo South > Ekiti Central > Ekiti South > Ondo North > Ekiti North > Ondo Central. The risk factors identified for TB prevalence in two states were gender, male > female (OR = 0.548, p = 0.004); overcrowding (OR = 0.733, p = 0.026); room size (OR = 0.580, p = 0.002); smoking (OR = 0.682, p = 0.019) and dry and dusty season (OR = 0.468, p = 0.005). The prevalence of MDR-TB in Ekiti and Ondo States were 1.2 % and 1.3 % respectively. The identified risk factors for MDR were education (OR = 0.739, p = 0.017), age (OR = 0.846, p = 0.048), religion (OR = 1.95, p = 0.0003), family income (OR = 1.76, p = 0.008), previous TB treatment (OR = 3.64, p = 0.004), smoking (OR = 1.33, p = 0.035) and HIV status (OR = 1.85, p = 0.006). Rifampicin monoresistant was reported in 6.7 % of the rifampicin-resistant strains, while 93.3 % were rifampicin polyresistant strains. Two (13.3 %) of the MDR-TB strains were resistant to all the 3 first-line antimycobacterial agents. All the Rifampicin-resistant TB strains were susceptible to the aminoglycosides (Amikacin, Capreomycin and Kanamycin), also with high susceptibility to the fluoroquinilones: Moxifloxacin (100 %) and Levofloxacin (86.7 %). Sixteen (94.1 %) of the 17 Rifampicin-susceptible strains were susceptible to all the eight antibiotics tested, while one (5.9 %) was susceptible to Rifampicin and Isoniazid but resistant to the rest antibiotics. Conclusion: The study showed that there is high prevalence of TB and MDR-TB in Ekiti and Ondo States Nigeria, hence, to meet the SDG Target 3.3 of ending TB epidemic by 2030, culturing and antibiotic susceptibility testing should be carried out on every TB-positive sputum and the patients treated accordingly.
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Affiliation(s)
- Olugbenga Enoch Olabiyi
- Department of Biological Sciences, Afe Babalola University, Ado-Ekiti, Nigeria
- Department of Medical Microbiology and Parasitology, Ekiti State Teaching Hospital, Ado-Ekiti, Nigeria
| | - Pius Abimbola Okiki
- Department of Biological Sciences, Afe Babalola University, Ado-Ekiti, Nigeria
- Institute of One-Health, Afe Babalola University, Ado-Ekiti, Nigeria
| | - Mumuni Idowu Adarabioyo
- Department of Mathematical & Physical Sciences (Statistics Unit), Afe Babalola University, Ado-Ekiti, Nigeria
| | - Oludele Emmanuel Adebiyi
- South-West Zonal Tuberculosis Reference Laboratory, Department of Medical Microbiology and Parasitology, University College Hospital, Ibadan, Nigeria
| | - Olusola Emannuel Adegoke
- South-West Zonal Tuberculosis Reference Laboratory, Department of Medical Microbiology and Parasitology, University College Hospital, Ibadan, Nigeria
| | - Olubunmi Ebenezer Esan
- Department of Medical Microbiology and Parasitology, Ondo State Specialist Hospital, Akure, Nigeria
| | - Olayinka O. Idris
- Department of Biological Sciences, Afe Babalola University, Ado-Ekiti, Nigeria
| | - Toluwani Bosede Agunbiade
- Department of Biological Sciences, Afe Babalola University, Ado-Ekiti, Nigeria
- Department of Integrated General Medical Sciences, Afe Babalola University, Ado-Ekiti, Nigeria
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Chen Y, Liu J, Zhang Q, Wang Q, Chai L, Chen H, Li D, Qiu Y, Wang Y, Shen N, Wang J, Xie X, Li S, Li M. Epidemiological features and temporal trends of HIV-negative tuberculosis burden from 1990 to 2019: a retrospective analysis based on the Global Burden of Disease Study 2019. BMJ Open 2023; 13:e074134. [PMID: 37770275 PMCID: PMC10546119 DOI: 10.1136/bmjopen-2023-074134] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 09/01/2023] [Indexed: 09/30/2023] Open
Abstract
OBJECTIVE This study aimed to analyse the burden and temporal trends of tuberculosis (TB) incidence and mortality globally, as well as the association between mortality-to-incidence ratio (MIR) and Socio-Demographic Index (SDI). DESIGN A retrospective analysis of TB data from 1990 to 2019 was conducted using the Global Burden of Disease Study database. RESULTS Between 1990 and 2019, there was a declining trend in the global incidence and mortality of TB. High SDI regions experienced a higher declining rate than in low SDI regions during the same period. Nearly half of the new patients occurred in South Asia. In addition, there is a sex-age imbalance in the overall burden of TB, with young males having higher incidence and mortality than females. In terms of the three subtypes of TB, drug-sensitive (DS)-TB accounted for more than 90% of the incidents and deaths and experienced a decline over the past 30 years. However, drug-resistant TB (multidrug-resistant (MDR)-TB and extensively drug-resistant (XDR)-TB) showed an overall increasing trend in age-standardised incidence rates and age-standardised mortality rates, with an inflection point after the year 2000. At the regional level, South Asia and Eastern Europe remained a high burden of drug-resistant TB incidence and mortality. Interestingly, a negative correlation was found between the MIR and SDI for TB, including DS-TB, MDR-TB and XDR-TB. Notably, central sub-Saharan Africa had the highest MIR, which indicated a higher-than-expected burden given its level of sociodemographic development. CONCLUSION This study provides comprehensive insights into the global burden and temporal trends of TB incidence and mortality, as well as the relationship between MIR and SDI. These findings contribute to our understanding of TB epidemiology and can inform public health strategies for prevention and management.
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Affiliation(s)
- Yuqian Chen
- Department of Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Jin Liu
- Department of Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Qianqian Zhang
- Department of Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Qingting Wang
- Department of Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Limin Chai
- Department of Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Huan Chen
- Department of Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Danyang Li
- Department of Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Yuanjie Qiu
- Department of Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Yan Wang
- Department of Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Nirui Shen
- Department of Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Jian Wang
- Department of Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Xinming Xie
- Department of Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Shaojun Li
- Department of Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Manxiang Li
- Department of Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
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Vyawahare C, Mukhida S, Khan S, Gandham NR, Kannuri S, Bhaumik S. Assessment of risk factors associated with drug-resistant tuberculosis in pulmonary tuberculosis patients. Indian J Tuberc 2023; 71 Suppl 1:S44-S51. [PMID: 39067954 DOI: 10.1016/j.ijtb.2023.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 05/10/2023] [Accepted: 07/24/2023] [Indexed: 07/30/2024]
Abstract
INTRODUCTION Tuberculosis remains a global health problem worldwide and the risk progression of Tuberculosis to Drug Resistant Tuberculosis is influenced by various factors. These include immunocompromised status, past history of tuberculosis, life style and nutritional level. Hence, identifying the population at risk of multidrug-resistant tuberculosis is essential and may help in developing appropriate case-finding strategies. Therefore, the present study was designed to study the contributing risk-factors associated with Drug resistant Tuberculosis. MATERIALS AND METHODS In this prospective observational study, we assessed 189 Pulmonary tuberculosis diagnosed patients during the period of 2 years at government recognized tertiary care centers. Data was collected from all these patients checked to investigate risk factors associated with Drug resistant tuberculosis development by multivariant analysis. RESULTS Of the 189 participants, 36 were diagnosed with drug resistant tuberculosis and 153 with drug sensitive tuberculosis. Factors associated with drug resistant tuberculosis include low-weight (OR 8.50; p = 0.0008430991), low-BMI (p = 0.0000527166), lower economic status (OR-2.1351; p = 0.048608696) and tobacco (OR-4.5192; p = 0.0023003189) were found clinically and statistically significant in development of drug resistant tuberculosis. Binary logistic regression was performed to ascertain the effects of various statistically significant factors. Drug resistant tuberculosis patients were 7.77 times more likely to be tobacco users than drug sensitive tuberculosis. CONCLUSIONS Our study suggests that, there is a compelling and urgent need for increasing public awareness, initiating better nutrition and food programs, regular screening, and better management & control of MDR-TB.
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Affiliation(s)
- Chanda Vyawahare
- Department of Microbiology, Dr. D. Y. Patil Medical College, Hospital and Research Centre, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra, 411018, India
| | - Sahjid Mukhida
- Department of Microbiology, Dr. D. Y. Patil Medical College, Hospital and Research Centre, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra, 411018, India.
| | - Sameena Khan
- Department of Microbiology, Dr. D. Y. Patil Medical College, Hospital and Research Centre, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra, 411018, India
| | - Nageswari R Gandham
- Department of Microbiology, Dr. D. Y. Patil Medical College, Hospital and Research Centre, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra, 411018, India
| | - Sriram Kannuri
- Department of Microbiology, Dr. D. Y. Patil Medical College, Hospital and Research Centre, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra, 411018, India
| | - Shalini Bhaumik
- Department of Microbiology, Dr. D. Y. Patil Medical College, Hospital and Research Centre, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra, 411018, India
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Ayorinde A, Ghosh I, Ali I, Zahair I, Olarewaju O, Singh M, Meehan E, Anjorin SS, Rotheram S, Barr B, McCarthy N, Oyebode O. Health inequalities in infectious diseases: a systematic overview of reviews. BMJ Open 2023; 13:e067429. [PMID: 37015800 PMCID: PMC10083762 DOI: 10.1136/bmjopen-2022-067429] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/06/2023] Open
Abstract
OBJECTIVES The aim of this systematic overview of reviews was to synthesise available evidence on inequalities in infectious disease based on three dimensions of inequalities; inclusion health groups, protected characteristics and socioeconomic inequalities. METHODS We searched MEDLINE, Embase, Web of Science and OpenGrey databases in November 2021. We included reviews published from the year 2000 which examined inequalities in the incidence, prevalence or consequences of infectious diseases based on the dimensions of interest. Our search focused on tuberculosis, HIV, sexually transmitted infections, hepatitis C, vaccination and antimicrobial resistance. However, we also included eligible reviews of any other infectious diseases. We appraised the quality of reviews using the Assessment of Multiple Systematic Reviews V.2 (AMSTAR2) checklist. We conducted a narrative data synthesis. RESULTS We included 108 reviews in our synthesis covering all the dimensions of inequalities for most of the infectious disease topics of interest, however the quality and volume of review evidence and consistency of their findings varied. The existing literature reviews provide strong evidence that people in inclusion health groups and lower socioeconomic status are consistently at higher risk of infectious diseases, antimicrobial resistance and incomplete/delayed vaccination. In the protected characteristics dimension, ethnicity, and sexual orientation are important factors contributing to inequalities across the various infectious disease topics included in this overview of reviews. CONCLUSION We identified many reviews that provide evidence of various types of health inequalities in different infectious diseases, vaccination, and antimicrobial resistance. We also highlight areas where reviews may be lacking. The commonalities in the associations and their directions suggest it might be worth targeting interventions for some high risk-groups that may have benefits across multiple infectious disease outcomes rather than operating purely in infectious disease siloes.
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Affiliation(s)
| | - Iman Ghosh
- Warwick Medical School, University of Warwick, Coventry, UK
| | - Ifra Ali
- Warwick Medical School, University of Warwick, Coventry, UK
| | - Iram Zahair
- Institute of Population Health, University of Liverpool, Liverpool, UK
| | - Olajumoke Olarewaju
- Department of Health, Behavior and Society, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Megha Singh
- Warwick Medical School, University of Warwick, Coventry, UK
| | - Edward Meehan
- School of Public Health and Prevention Medicine, Monash University, Clayton, Victoria, Australia
| | | | - Suzanne Rotheram
- Institute of Population Health, University of Liverpool, Liverpool, UK
| | - Ben Barr
- Institute of Population Health, University of Liverpool, Liverpool, UK
| | - Noel McCarthy
- School of Medicine, Trinity College Dublin, Dublin, Ireland
| | - Oyinlola Oyebode
- Wolfson Institute of Population Health, Queen Mary University of London, London, London, UK
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Jeong HE, Bea S, Kim JH, Jang SH, Son H, Shin JY. Socioeconomic disparities and multidrug-resistant tuberculosis in South Korea: Focus on immigrants and income levels. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2023; 56:424-428. [PMID: 36115791 DOI: 10.1016/j.jmii.2022.08.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 07/24/2022] [Accepted: 08/21/2022] [Indexed: 11/26/2022]
Abstract
Risk factors of MDR-TB remain unclear in South Korea, despite being an important public health issue. Findings from this study, which included ≥50,000 patients with TB from South Korea, suggests that immigrants and patients with lower income levels were strong predictors of MDR-TB in a high-income, high TB incidence country.
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Affiliation(s)
- Han Eol Jeong
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea; Department of Biohealth Regulatory Science, Sungkyunkwan University, Suwon, South Korea
| | - Sungho Bea
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea
| | - Ju Hwan Kim
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea; Department of Biohealth Regulatory Science, Sungkyunkwan University, Suwon, South Korea
| | - Seung Hun Jang
- Division of Pulmonary, Allergy, and Critical Care Medicine, College of Medicine, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, South Korea
| | - Hyunjin Son
- Department of Preventive Medicine, College of Medicine, Dong-A University, Busan, South Korea
| | - Ju-Young Shin
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea; Department of Biohealth Regulatory Science, Sungkyunkwan University, Suwon, South Korea; Department of Clinical Research Design & Evaluation, Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University, Seoul, South Korea.
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Oladimeji O, Atiba BP, Anyiam FE, Odugbemi BA, Afolaranmi T, Zoakah AI, Horsburgh CR. Gender and Drug-Resistant Tuberculosis in Nigeria. Trop Med Infect Dis 2023; 8:104. [PMID: 36828520 PMCID: PMC9964483 DOI: 10.3390/tropicalmed8020104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 01/24/2023] [Accepted: 01/30/2023] [Indexed: 02/09/2023] Open
Abstract
We conducted a retrospective study of 2555 DR-TB patients admitted to treatment between 2010 and 2016 in six geopolitical zones in Nigeria. We characterized the gender distribution of DR-TB cases and the association between demographics and clinical data, such as age, treatment category, number of previous TB treatment cycles, and geopolitical zone, with gender. The independent effects of being a male or female DR-TB patient were determined using bivariate and multivariate analyzes with statistical significance of p < 0.05 and a 95% confidence interval. Records from a total of 2555 DR-TB patients were examined for the study. A majority were male (66.9%), largest age-group was 30-39 years old (35.8%), most had MDR-TB (61.4%), were HIV-negative (76.6%), and previously treated for TB (77.1%). The southwest treatment zone had the highest proportion of DR-TB patients (36.9%), and most DR-TB diagnoses occurred in 2016 (36.9%). On bivariate analysis, age, HIV status, treatment zone, and clinical patient group in DR-TB were significantly associated with male gender. On multivariate analysis, males aged 20-29 years (AOR: 0.19, 95% CI: 0.33-0.59, p = 0.001) and HIV-positive males (AOR: 0.44, 95% CI: 0.33-0.59, p = 0.001) had lower likelihood of MDR-TB as males in the south-south treatment zone (AOR: 1.88, 95% CI: 1.23-2.85, p = 0.03), and being male and aged ≥60 years (AOR: 2.19, 95% CI: 1.05-4.54, p = 0.036) increased the probability of DR-TB. The older male population from south-southern Nigeria and women of childbearing age had lower incidence of DR-TB than men of the same age. Tailored interventions to reduce HIV and DR-TB prevalence in the general population, particularly among women of childbearing potential, and treatment support for young and older men are relevant strategies to reduce DR-TB in Nigeria.
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Affiliation(s)
- Olanrewaju Oladimeji
- Department of Public Health, Faculty of Health Sciences, Walter Sisulu University, Mthatha 5117, South Africa
- Department of Community Health, Faculty of Clinical Sciences, College of Health Sciences, University of Jos, Jos 2064, Nigeria
| | - Bamidele Paul Atiba
- Faculty of Health Sciences, Durban University of Technology, Durban 4001, South Africa
| | - Felix Emeka Anyiam
- Faculty of Health Sciences, Durban University of Technology, Durban 4001, South Africa
| | - Babatunde A. Odugbemi
- Departments of Community Health & Primary Health Care, Lagos State University College of Medicine, Ikeja 102212, Nigeria
| | - Tolulope Afolaranmi
- Department of Community Health, Faculty of Clinical Sciences, College of Health Sciences, University of Jos, Jos 2064, Nigeria
| | - Ayuba Ibrahim Zoakah
- Department of Community Health, Faculty of Clinical Sciences, College of Health Sciences, University of Jos, Jos 2064, Nigeria
| | - C. Robert Horsburgh
- Section of Infectious Diseases, Boston Medical Center, Boston, MA 02118, USA
- Department of Biostatistics, School of Public Health, Boston University, Boston, MA 02118, USA
- Department of Global Health, School of Public Health, Boston University, Boston, MA 02118, USA
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First and Second-Line Anti-Tuberculosis Drug-Resistance Patterns in Pulmonary Tuberculosis Patients in Zambia. Antibiotics (Basel) 2023; 12:antibiotics12010166. [PMID: 36671366 PMCID: PMC9855139 DOI: 10.3390/antibiotics12010166] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Drug-resistant tuberculosis has continued to be a serious global health threat defined by complexity as well as higher morbidity and mortality wherever it occurs, Zambia included. However, the paucity of information on drug-susceptibility patterns of both first-line and second-line anti-tuberculosis (anti-TB) drugs, including the new and repurposed drugs used in the management of drug-resistant tuberculosis in Zambia, was the major thrust for conducting this study. METHODS A total of 132 bacteriologically confirmed TB isolates were collected from patients with pulmonary TB during the period from April 2020 to December 2021 in Southern and Eastern Provinces of Zambia. Drug-resistance profiles were determined according to four first-line and five second-line anti-TB drugs. Standard mycobacteriological methods were used to isolate and determine phenotypic drug susceptibility. Data on the participants' social-demographic characteristics were obtained using a pre-test checklist. RESULTS Overall, the prevalence of resistance to one or more anti-TB drugs was 23.5% (31/132, 95% CI: 16.5-31.6%). A total of 9.8% (13/132, 95% CI: 5.3-16.2%) of the patients had multidrug-resistant TB and 1.2% were new cases, while 25.5% had a history of being previously treated for TB. Among those with mono-resistant TB strains, isoniazid (INH) resistance was the highest at 9.8% (13/132, 95% CI: 5.3-16.2%). Two (2/31) (6.5%) XDR-TB and one (1/31) (3.2%) pre-XDR-TB cases were identified among the MDR-TB patients. Previously treated patients were 40 times more likely (OR; 40.3, 95% CI: 11.1-146.5%) to have drug-resistant TB than those who had no history of being treated for TB. CONCLUSION This study has established a high rate of multidrug-resistant TB and has further identified both pre-XDR- and XDR-TB. There is a need to intensify surveillance of MDR- and XDR-TB to inform future guidelines for effective treatment and monitoring.
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Matulyte E, Davidaviciene E, Kancauskiene Z, Diktanas S, Kausas A, Velyvyte D, Urboniene J, Lipnickiene V, Laurencikaite M, Danila E, Costagliola D, Matulionyte R. The socio-demographic, clinical characteristics and outcomes of tuberculosis among HIV infected adults in Lithuania: A thirteen-year analysis. PLoS One 2023; 18:e0282046. [PMID: 36952578 PMCID: PMC10035857 DOI: 10.1371/journal.pone.0282046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Accepted: 02/06/2023] [Indexed: 03/25/2023] Open
Abstract
BACKGROUND Tuberculosis (TB) is a public health problem in Lithuania, among the 18 high-priority TB countries in the European region, and the most common AIDS-indicative disease with the highest proportion in the EU/EEA since 2015. The study aimed to identify socio-demographic, clinical characteristics and their relationship with TB outcomes in TB-HIV co-infected patients in Lithuania. METHODS A retrospective chart review analysed the characteristics of TB-HIV co-infected adults registered in State Information System of Tuberculosis over 2008-2020. The factors associated with drug-resistant TB and unsuccessful treatment outcome were identified by multivariable logistic regression. RESULTS The study included 345 cases in 311 patients (239 new, 106 previously treated cases), median age 40 years (IQR 35-45), 80.7% male. 67.8% patients knew their HIV-positive status before TB diagnosis, median time to TB diagnosis was 8 years (IQR 4-12). 83.6% were unemployed, 50.5%-anytime intravenous drug users (IDU), 34.9% abused alcohol. Drug-resistant TB rates in new and previously treated TB cases were 38.1% and 61.3%, respectively. In multivariable analysis, higher risk of drug-resistant TB was associated with imprisonment in new (aOR 3.35; 95%CI 1.17-9.57) and previously treated (aOR 6.63; 95%CI 1.09-40.35) cases. In 52.3% of new TB cases and in 42.5% previously treated TB cases the treatment outcomes were unsuccessful. In multivariable analysis of new TB cases, current imprisonment (aOR 2.77; 95%CI 1.29-5.91) and drug-resistant TB (aOR 2.18; 95%CI 1.11-4.28) were associated with unsuccessful treatment outcome. In multivariable analysis of previously treated TB cases, female gender (aOR 11.93; 95%CI 1.86-76.69), alcohol abuse (aOR 3.17; 95%CI 1.05-9.58), drug-resistant TB (aOR 4.83; 95%CI 1.53-15.28) were associated with unsuccessful treatment outcome. CONCLUSIONS In the TB-HIV-infected adult cohort in Lithuania, unemployment, imprisonment, IDU, alcohol abuse, known to be risk factors for TB, were very frequent. Drug resistance was an undeniable risk factor for unsuccessful treatment outcome and imprisonment was associated with drug resistant TB.
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Affiliation(s)
- Elzbieta Matulyte
- Clinic of Infectious Diseases and Dermatovenerology, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
- Centre of Infectious Diseases, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Edita Davidaviciene
- State Information System of Tuberculosis, Public Health Department, Ministry of Health, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Zavinta Kancauskiene
- AIDS Centre, Department of Infectious Diseases, University Hospital of Klaipeda, Klaipeda, Lithuania
| | - Saulius Diktanas
- Tuberculosis Department, Republican Klaipeda Hospital, Klaipeda, Lithuania
| | - Aidas Kausas
- Adult Infectious Diseases Unit, Clinic of Conservative Medicine, Republican Siauliai County Hospital, Siauliai, Lithuania
| | - Daiva Velyvyte
- Department of Infectious Diseases, Lithuanian University of Health Sciences, Kaunas, Lithuania
- Kaunas Hospital of the Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Jurgita Urboniene
- Centre of Infectious Diseases, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | | | | | - Edvardas Danila
- Clinic of Chest Diseases, Immunology, and Allergology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
- Centre of Pulmonology and Allergology, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Dominique Costagliola
- Sorbonne Université, INSERM, Institut Pierre Louis d'épidémiologie de Santé Publique, Paris, France
| | - Raimonda Matulionyte
- Clinic of Infectious Diseases and Dermatovenerology, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
- Centre of Infectious Diseases, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
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22
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Park J, Hong Y, Hong JY. Risk for multidrug-resistant tuberculosis in patients treated with anti-tumor necrosis factor agents. Front Med (Lausanne) 2023; 10:1108119. [PMID: 37035321 PMCID: PMC10073508 DOI: 10.3389/fmed.2023.1108119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 03/06/2023] [Indexed: 04/11/2023] Open
Abstract
Background There are few studies on medical conditions associated with the development of drug-resistant TB. Objective We investigated the risk factors for the occurrence of multidrug-resistant (MDR) tuberculosis (TB) in patients with pulmonary TB. Materials and methods Based on claims data from the Health Insurance Review and Assessment service in South Korea, we retrospectively investigated patients aged 18 years or older with active pulmonary TB who were treated with anti-TB therapy between January 1, 2008, and February 28, 2021. Results Among 248,176 patients with pulmonary TB who underwent anti-TB therapy, 2.0% were identified as having MDR-TB. MDR-TB showed male predominance compared to patients without MDR-TB, and patients with MDR-TB were younger. The risk for MDR-TB in patients treated with anti-TB therapy was 3.26 times higher in patients who received anti-tumor necrosis factor (TNF) agents before prescription of anti-TB medications than in those who had never been exposed to anti-TNF agents after adjusting for other TB risk factors (age, sex, inhaled corticosteroid, diabetes mellitus, liver disease, pneumoconiosis, and organ or blood recipients). The risk for MDR-TB was also increased in males and younger patients. Conclusion Treatment with an anti-TNF agent could be a driver of MDR-TB in patients with pulmonary TB.
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Affiliation(s)
- Jinkyeong Park
- Department of Pulmonary, Allergy and Critical Care Medicine, Kyung Hee University Hospital at Gangdong, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Yoonki Hong
- Department of Internal Medicine, School of Medicine, Kangwon National University, Kangwon National University Hospital, Chuncheon, Republic of Korea
| | - Ji Young Hong
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Chuncheon Sacred Heart Hospital, Hallym University Medical Center, Chuncheon, Gangwon-do, Republic of Korea
- *Correspondence: Ji Young Hong,
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Dookie N, Ngema SL, Perumal R, Naicker N, Padayatchi N, Naidoo K. The Changing Paradigm of Drug-Resistant Tuberculosis Treatment: Successes, Pitfalls, and Future Perspectives. Clin Microbiol Rev 2022; 35:e0018019. [PMID: 36200885 PMCID: PMC9769521 DOI: 10.1128/cmr.00180-19] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Drug-resistant tuberculosis (DR-TB) remains a global crisis due to the increasing incidence of drug-resistant forms of the disease, gaps in detection and prevention, models of care, and limited treatment options. The DR-TB treatment landscape has evolved over the last 10 years. Recent developments include the remarkable activity demonstrated by the newly approved anti-TB drugs bedaquiline and pretomanid against Mycobacterium tuberculosis. Hence, treatment of DR-TB has drastically evolved with the introduction of the short-course regimen for multidrug-resistant TB (MDR-TB), transitioning to injection-free regimens and the approval of the 6-month short regimens for rifampin-resistant TB and MDR-TB. Moreover, numerous clinical trials are under way with the aim to reduce pill burden and shorten the DR-TB treatment duration. While there have been apparent successes in the field, some challenges remain. These include the ongoing inclusion of high-dose isoniazid in DR-TB regimens despite a lack of evidence for its efficacy and the inclusion of ethambutol and pyrazinamide in the standard short regimen despite known high levels of background resistance to both drugs. Furthermore, antimicrobial heteroresistance, extensive cavitary disease and intracavitary gradients, the emergence of bedaquiline resistance, and the lack of biomarkers to monitor DR-TB treatment response remain serious challenges to the sustained successes. In this review, we outline the impact of the new drugs and regimens on patient treatment outcomes, explore evidence underpinning current practices on regimen selection and duration, reflect on the disappointments and pitfalls in the field, and highlight key areas that require continued efforts toward improving treatment approaches and rapid biomarkers for monitoring treatment response.
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Affiliation(s)
- Navisha Dookie
- Centre for the AIDS Programme of Research in South Africa, University of KwaZulu-Natal, Durban, South Africa
| | - Senamile L. Ngema
- Centre for the AIDS Programme of Research in South Africa, University of KwaZulu-Natal, Durban, South Africa
| | - Rubeshan Perumal
- Centre for the AIDS Programme of Research in South Africa, University of KwaZulu-Natal, Durban, South Africa
- South African Medical Research Council–CAPRISA HIV-TB Pathogenesis and Treatment Research Unit, Durban, South Africa
| | - Nikita Naicker
- Centre for the AIDS Programme of Research in South Africa, University of KwaZulu-Natal, Durban, South Africa
- South African Medical Research Council–CAPRISA HIV-TB Pathogenesis and Treatment Research Unit, Durban, South Africa
| | - Nesri Padayatchi
- Centre for the AIDS Programme of Research in South Africa, University of KwaZulu-Natal, Durban, South Africa
- South African Medical Research Council–CAPRISA HIV-TB Pathogenesis and Treatment Research Unit, Durban, South Africa
| | - Kogieleum Naidoo
- Centre for the AIDS Programme of Research in South Africa, University of KwaZulu-Natal, Durban, South Africa
- South African Medical Research Council–CAPRISA HIV-TB Pathogenesis and Treatment Research Unit, Durban, South Africa
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Arora C. When is the use of suboptimal treatment in functionally untreatable multi-drug resistant tuberculosis morally permissible? Glob Public Health 2022; 17:4159-4168. [PMID: 36121019 DOI: 10.1080/17441692.2022.2120047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Multidrug-resistant tuberculosis (MDR-TB) is well recognised as a serious threat to controlling and ending the TB epidemic. Treatment is time-intensive and costly. Current treatment guidelines recommend the use of at least four effective drugs plus pyrazinamide for a period of 18-24 months. There are, however, situations in which this is not feasible. This may be due to severe patterns of drug-resistance, poor tolerance to the medications, or supply chain issues. In this paper, I use the term functionally untreatable MDR-TB to refer to such situations. Patients may be assigned to waiting lists until appropriate medications are available, and many die while awaiting treatment. Clinicians face a serious ethical dilemma in these cases, and some may choose to treat their patients with suboptimal regimens in the interim. While this practice may alleviate symptoms and even cure some patients, it is known to extend drug-resistance, limiting further the availability of efficacious anti-TB medicines. This paper explores the relevant ethical considerations faced by clinicians providing MDR-TB treatment, and how this differs from formal ethical principles and guidance. It outlines extreme situations in which suboptimal regimens may be considered, and requisite conditions to be fulfilled by stakeholders for this to be morally permissible.
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Affiliation(s)
- Chavy Arora
- Oxford Uehiro Centre for Practical Ethics, University of Oxford, Oxford, UK
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Li S, Liang Y, Hu X. Risk factors for multidrug resistance in tuberculosis patients with diabetes mellitus. BMC Infect Dis 2022; 22:835. [PMID: 36369020 PMCID: PMC9650799 DOI: 10.1186/s12879-022-07831-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 11/02/2022] [Indexed: 11/13/2022] Open
Abstract
Objective To study the risk factors and prediction models of multidrug resistance in patients with tuberculosis and diabetes and those with a history of tuberculosis treatment. Methods A total of 256 tuberculosis patients with diabetes who were registered in Luoyang city, Henan Province, from January 2018 to December 2021. Logistic regression analysis was performed to analyse the risk factors for multidrug resistance. ROC curves were used to analyse the predictive model for multidrug resistance. Results Age < 65 years old, HbA1c, and a history of tuberculosis treatment were independent risk factors for multidrug resistance in patients with tuberculosis and diabetes (P < 0.05). The area under the ROC curve of predictive model for MDR was 0.878 (95% CI (0.824, 0.932)). Age < 65 years old and HbA1c were independent risk factors for MDR in patients with TB and diabetes with a history of TB treatment. The area under the ROC curve of predictive model for MDR was 0.920 [95% CI (0.831, 0.999)]. Conclusion The predictive model had certain prediction value for the risk of multidrug resistance in patients with tuberculosis and diabetes.
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Alemu A, Bitew ZW, Diriba G, Gumi B. Risk factors associated with drug-resistant tuberculosis in Ethiopia: A systematic review and meta-analysis. Transbound Emerg Dis 2022; 69:2559-2572. [PMID: 34741434 DOI: 10.1111/tbed.14378] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/15/2021] [Accepted: 10/27/2021] [Indexed: 12/12/2022]
Abstract
The emergence of drug-resistant tuberculosis (DR-TB) is becoming a challenge to the national TB control programmes including Ethiopia. Different risk factors are associated with DR-TB. Identifying these risk factors in a local setting is important to strengthen the effort to prevent and control DR-TB. Thus, this study aimed to assess the risk factors associated with DR-TB in Ethiopia. The Preferred Reporting Items for Systematic Reviews and Meta-analyses checklist was followed to conduct this study. We systematically searched the articles from electronic databases and grey literature sources. We used the JBI tools to assess the quality of studies. Data were analysed using STATA version 15. We estimated the pooled odds ratio (OR) along with 95% Confidence Interval (CI). The forest plot and I2 heterogeneity test were used to assess heterogeneity among studies. We explored the presence of publication bias through visual inspection of the funnel plot and Egger's regression test. After screening 2238 articles, 27 studies were included in the final analysis. Based on the pooled analysis of the OR, unemployment (OR; 2.71, 95% CI; 1.64, 3.78), previous TB history (OR; 4.83, 95% CI; 3.02, 6.64), contact with known TB patient (OR; 1.72, 95% CI; 1.05, 2.40), contact with the known multi-drug resistant (MDR) TB patient (OR; 2.54, 95% CI; 1.46, 3.63) and having pulmonary TB (PTB; OR; 1.80, 95% CI; 1.14, 2.45) were found to be the risk factors of DR-TB, while elders (OR; 0.77, 95%CI; 0.60, 0.95) including above 45 years (OR; 0.76, 95%CI; 0.55, 0.97) and males (OR; 0.86, 95%CI; 0.76, 0.97) had lower DR-TB risk, compared to their counterparts. A previous history of TB treatment is a major risk factor for acquiring DR-TB in Ethiopia that might be due to poor adherence during the first-line anti-TB treatment. Besides, having contact with a TB patient, contact with an MDR-TB patient, having PTB and being unemployed were the risk factors of DR-TB in Ethiopia. Thus, active screening of TB contacts for DR-TB might help to detect DR-TB cases as early as possible and could help to mitigate its further transmission across the community.
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Affiliation(s)
- Ayinalem Alemu
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
- Aklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa, Ethiopia
| | - Zebenay Workneh Bitew
- Department of Pediatric Nursing, St Paul's Hospital Millennium Medical College, Addis Ababa, Ethiopia
| | - Getu Diriba
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Balako Gumi
- Aklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa, Ethiopia
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You S, Chitwood MH, Gunasekera KS, Crudu V, Codreanu A, Ciobanu N, Furin J, Cohen T, Warren JL, Yaesoubi R. Predicting resistance to fluoroquinolones among patients with rifampicin-resistant tuberculosis using machine learning methods. PLOS DIGITAL HEALTH 2022; 1:e0000059. [PMID: 36177394 PMCID: PMC9518704 DOI: 10.1371/journal.pdig.0000059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 05/09/2022] [Indexed: 11/24/2022]
Abstract
Background Limited access to drug-susceptibility tests (DSTs) and delays in receiving DST results are challenges for timely and appropriate treatment of multi-drug resistant tuberculosis (TB) in many low-resource settings. We investigated whether data collected as part of routine, national TB surveillance could be used to develop predictive models to identify additional resistance to fluoroquinolones (FLQs), a critical second-line class of anti-TB agents, at the time of diagnosis with rifampin-resistant TB. Methods and findings We assessed three machine learning-based models (logistic regression, neural network, and random forest) using information from 540 patients with rifampicin-resistant TB, diagnosed using Xpert MTB/RIF and notified in the Republic of Moldova between January 2018 and December 2019. The models were trained to predict the resistance to FLQs based on demographic and TB clinical information of patients and the estimated district-level prevalence of resistance to FLQs. We compared these models based on the optimism-corrected area under the receiver operating characteristic curve (OC-AUC-ROC). The OC-AUC-ROC of all models were statistically greater than 0.5. The neural network model, which utilizes twelve features, performed best and had an estimated OC-AUC-ROC of 0.87 (0.83,0.91), which suggests reasonable discriminatory power. A limitation of our study is that our models are based only on data from the Republic of Moldova and since not externally validated, the generalizability of these models to other populations remains unknown. Conclusions Models trained on data from phenotypic surveillance of drug-resistant TB can predict resistance to FLQs based on patient characteristics at the time of diagnosis with rifampin-resistant TB using Xpert MTB/RIF, and information about the local prevalence of resistance to FLQs. These models may be useful for informing the selection of antibiotics while awaiting results of DSTs.
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Affiliation(s)
- Shiying You
- Department of Health Policy and Management, Yale School of Public Health, New Haven, Connecticut, United States of America
- Public Health Modeling Unit, Yale School of Public Health, New Haven, Connecticut, United States of America
| | - Melanie H. Chitwood
- Public Health Modeling Unit, Yale School of Public Health, New Haven, Connecticut, United States of America
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, Connecticut, United States of America
| | - Kenneth S. Gunasekera
- Public Health Modeling Unit, Yale School of Public Health, New Haven, Connecticut, United States of America
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, Connecticut, United States of America
| | - Valeriu Crudu
- Phthisiopneumology Institute, Chisinau, Republic of Moldova
| | | | - Nelly Ciobanu
- Phthisiopneumology Institute, Chisinau, Republic of Moldova
| | - Jennifer Furin
- Department of Medicine, Case Western Reserve University, Cleveland, Ohio, United States of America
- Department of Global Health and Social Medicine, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Ted Cohen
- Public Health Modeling Unit, Yale School of Public Health, New Haven, Connecticut, United States of America
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, Connecticut, United States of America
| | - Joshua L. Warren
- Public Health Modeling Unit, Yale School of Public Health, New Haven, Connecticut, United States of America
- Department of Biostatistics, Yale School of Public Health, New Haven, Connecticut, United States of America
| | - Reza Yaesoubi
- Department of Health Policy and Management, Yale School of Public Health, New Haven, Connecticut, United States of America
- Public Health Modeling Unit, Yale School of Public Health, New Haven, Connecticut, United States of America
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Mohammed KAS, Khudhair GS, Al-Rabeai DB. Prevalence and Drug Resistance Pattern of Mycobacterium tuberculosis Isolated from Tuberculosis Patients in Basra, Iraq. Pol J Microbiol 2022; 71:205-215. [PMID: 35675816 PMCID: PMC9252138 DOI: 10.33073/pjm-2022-018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 03/12/2022] [Indexed: 12/03/2022] Open
Abstract
Drug-resistant Mycobacterium tuberculosis (DR-MTB) is a major health threat to human beings. This study aimed to evaluate the prevalence and drug resistance profile of MTB. Data were collected from 2,296 newly diagnosed, and 246 retreated tuberculosis (TB) patients who attended the Advisory Clinic for Chest Diseases and Respiratory in Basra province from January 2016 to December 2020. Both new diagnostic and retreated TB cases showed that DR-MTB cases were significantly higher at age 15–34 years, pulmonary TB, and urban residents but with no significant difference regarding gender. The drugs resistance was significantly higher among the retreated cases compared with the new diagnostic patients (20.3% vs. 2.4%, p < 0.0001), with the percentage of the resistance to first-line drugs in primary and secondary cases including isoniazid (1% and 17.1%), rifampicin (0.78% and 15.8%), ethambutol (0.56% and 8.5%), streptomycin (1.3% and 9.75%). Notice that the most common drug resistance was against streptomycin with 1.3% in new patients and against isoniazid (17.1%) in retreated patients. The rate of total drug-resistant TB, multi-drug resistant TB, mono-drug resistant TB, and rifampicin-resistant TB among new tuberculosis cases increased in this period from 2.2 to 6.7%, 0.17 to 1.6%, 0.85 to 4%, and 0.17 to 4%, with a percentage change of 204.54, 841.17, 370.58, 22.5%, respectively. The rates of poly drug-resistant TB and ethambutol-resistant-TB dropped in this period by 15.96%, and 0.7%, with a decrease from 1.19 to 1% and from 1 to 0.3%, respectively. Similarly, the increase of drug-resistant TB among secondary cases has also occurred. In conclusion, the temporal trend showed an increase in the rate of drug resistance of M. tuberculosis since 2016, with a predominant multi-drug-resistant TB and isoniazid-resistant TB. ![]()
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Affiliation(s)
- Khairallah A S Mohammed
- Department of Medical Lab Technology, College of Health and Medical Technology, Southern Technical University, Basra, Iraq
| | - Ghorob S Khudhair
- Department of Medical Lab Technology, College of Health and Medical Technology, Southern Technical University, Basra, Iraq
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Coorey NJ, Kensitt L, Davies J, Keller E, Sheel M, Chani K, Barry S, Boyd R, Denholm J, Watts K, Fox G, Lowbridge C, Perera R, Waring J, Marais B, Viney K. Risk factors for TB in Australia and their association with delayed treatment completion. Int J Tuberc Lung Dis 2022; 26:399-405. [PMID: 35505484 PMCID: PMC9067427 DOI: 10.5588/ijtld.21.0111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND: Australia has a low incidence of TB and has committed to eliminating the disease. Identification of risk factors associated with TB is critical to achieving this goal.METHODS: We undertook a prospective cohort study involving persons receiving TB treatment in four Australian jurisdictions. Risk factors and their association with delayed treatment completion (treatment delayed by at least 1 month) were analysed using univariate analyses and multivariate logistic regression.RESULTS: Baseline surveys were completed for 402 persons with TB. Most (86.1%) were born overseas. Exposure to a person with TB was reported by 19.4%. Diabetes mellitus (10.2%), homelessness (9.2%), cigarette smoking (8.7%), excess alcohol consumption (6.0%) and mental illness (6.2%) were other common risk factors. At follow-up, 24.8% of patients had delayed treatment completion, which was associated with adverse events (34.1%, aOR 6.67, 95% CI 3.36-13.27), excess alcohol consumption (6.0%, aOR 21.94, 95% CI 6.03-79.85) and HIV co-infection (2.7%, aOR 8.10, 95% CI 1.16-56.60).CONCLUSIONS: We identified risk factors for TB and their association with delayed treatment completion, not all of which are routinely collected for surveillance purposes. Recognition of these risk factors should facilitate patient-centred care and assist Australia in reaching TB elimination.
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Affiliation(s)
- N J Coorey
- Australian National University Medical School, Canberra ACT, Australia
| | - L Kensitt
- Australian National University Medical School, Canberra ACT, Australia
| | - J Davies
- Australian National University Medical School, Canberra ACT, Australia
| | - E Keller
- Australian National University Medical School, Canberra ACT, Australia
| | - M Sheel
- Research School of Population Health, Australian National University College of Health and Medicine, Australian National University, Canberra ACT, Australia
| | - K Chani
- Research School of Population Health, Australian National University College of Health and Medicine, Australian National University, Canberra ACT, Australia
| | - S Barry
- South Australia Health, Adelaide, SA, Australia
| | - R Boyd
- Northern Territory Health, Darwin, NT, Australia
| | - J Denholm
- Victorian Tuberculosis Program, Melbourne Health, VIC, Australia, Department of Infectious Diseases, Doherty Institute, The University of Melbourne, VIC, Australia
| | - K Watts
- Victorian Tuberculosis Program, Melbourne Health, VIC, Australia
| | - G Fox
- Sydney Medical School-Central, The University of Sydney, Sydney, NSW, Australia
| | - C Lowbridge
- Global and Tropical Health, Menzies School of Health Research, Charles Darwin University, Darwin, NT, Australia
| | - R Perera
- Western Australia Health, Perth, WA, Australia
| | - J Waring
- Western Australia Health, Perth, WA, Australia, Western Australia Tuberculosis Control Program, Perth, WA, Australia
| | - B Marais
- Centre for Research Excellence in Tuberculosis (TB-CRE), The University of Sydney, Sydney, NSW, Australia, Marie Bashir Institute for Infectious Diseases and Biosecurity (MBI), The University of Sydney, Sydney, NSW, Australia
| | - K Viney
- Research School of Population Health, Australian National University College of Health and Medicine, Australian National University, Canberra ACT, Australia, School of Public Health, The University of Sydney, Sydney, NSW, Australia, Department of Global Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
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Verma AK, Yadav RN, Kumar G, Dewan RK. Multidrug-resistant and extensively drug-resistant Mycobacterium tuberculosis strains in geriatrics: An analysis and its implications in tuberculosis control. J Clin Tuberc Other Mycobact Dis 2022; 27:100317. [PMID: 35541502 PMCID: PMC9079229 DOI: 10.1016/j.jctube.2022.100317] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Objective This study aimed to analyze the trends of tuberculosis (TB) disease, drugs susceptibility patterns in geriatric TB over a period of three years (from 2010 to 2012). Materials & methods In this study, laboratory data on diagnosis of geriatric tuberculosis suspected patients (age ≥60 years) was analyzed retrospectively at National Reference Laboratory (NRL). Results Among 12,140 geriatric TB suspects, 1621 (13%) were acid-fast bacillus (AFB) smear-positive and 10,519 (87%) were smear-negative. Analysis of 915 culture results showed 470 (51%) as positive for Mycobacterium tuberculosis complex (MTBC), 63 (7%) contaminated and 36 (4%) identified as mycobacteria other than tuberculosis (MOTT). A total 210/470 (45%) were multidrug-resistant TB (MDR-TB) strains. Among the mono-resistant strains, isoniazid mono-resistant was found more frequently (134/470, 28%) whereas, it was least among rifampicin mono-resistant 5/470 (1%). The second-line drug susceptibility testing (DST) results showed 7% (17/240) extensively drug-resistant TB (XDR-TB) strains. Most common second line mono-resistant strain was observed with ofloxacin, 16% (38/240). Conclusion This study shows high number of MDR/XDR geriatric TB patients at tertiary care TB hospital. The study highlighted the need of separate line of early identification, diagnosis and treatment of geriatric TB patients. However, further study with improved sample size may needed to confirm the findings.
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Affiliation(s)
- Ajoy Kumar Verma
- National Reference Laboratory, Department of Microbiology, National Institute of Tuberculosis and Respiratory Diseases, Sri Aurobindo Marg, New Delhi 110030, India
| | - Raj Narayan Yadav
- National Reference Laboratory, Department of Microbiology, National Institute of Tuberculosis and Respiratory Diseases, Sri Aurobindo Marg, New Delhi 110030, India
| | - Gavish Kumar
- National Reference Laboratory, Department of Microbiology, National Institute of Tuberculosis and Respiratory Diseases, Sri Aurobindo Marg, New Delhi 110030, India
| | - Ravindra Kumar Dewan
- Department of Thoracic Surgery and Surgical Anatomy, National Institute of Tuberculosis and Respiratory Diseases, Sri Aurobindo Marg, New Delhi 110030, India
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31
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Proportion and Trend of Primary Resistance among Multidrug resistant Tuberculosis patients in Ethiopia. J Clin Tuberc Other Mycobact Dis 2022; 27:100315. [PMID: 35521633 PMCID: PMC9062340 DOI: 10.1016/j.jctube.2022.100315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Suppli CH, Norman A, Folkvardsen DB, Gissel TN, Weinreich UM, Koch A, Wejse C, Lillebaek T. First outbreak of multi-drug resistant tuberculosis (MDR-TB) in Denmark involving six Danish-born cases. Int J Infect Dis 2022; 117:258-263. [PMID: 35158061 DOI: 10.1016/j.ijid.2022.02.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/05/2022] [Accepted: 02/08/2022] [Indexed: 10/19/2022] Open
Abstract
BACKGROUND Denmark is a tuberculosis (TB) and multi-drug resistant (MDR) TB low-incidence country at 5 and 0.05 cases per 100.000 population, respectively. Until 2018, transmission of MDR-TB was nonexistent except for few pairwise related family-cases. In this study we describe the first MDR-TB outbreak in Denmark. METHODS Based on genotyping of all Mycobacterium tuberculosis (Mtb) culture-positive cases in Denmark spanning three decades, six molecular- and epidemiologically linked Danish-born cases were identified as the first cluster of MDR-TB in Denmark. The primary case was diagnosed posthumously in 2010 followed by five epidemiologically linked cases from 2018 through 2019. RESULTS AND CONCLUSION Through a combination of routine Mtb genotyping and clinical epidemiological surveillance data, we identified the first Danish MDR-TB outbreak spanning 10 years and were able to disclose the specific transmission pathways in detail guiding the outbreak investigations. The occurrence of an MDR-TB outbreak in a resource rich TB low incidence setting like Denmark, highlights the importance of a collaborative control system combining classical contact tracing; timely identification of drug resistant TB through rapid diagnostics; and a close collaboration between clinicians, classical- and molecular epidemiologists for the benefit of TB control.
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Affiliation(s)
- Camilla Hiul Suppli
- International Reference Laboratory of Mycobacteriology, Statens Serum Institut Artillerivej 5, DK-2300 Copenhagen, Denmark
| | - Anders Norman
- International Reference Laboratory of Mycobacteriology, Statens Serum Institut Artillerivej 5, DK-2300 Copenhagen, Denmark
| | - Dorte Bek Folkvardsen
- International Reference Laboratory of Mycobacteriology, Statens Serum Institut Artillerivej 5, DK-2300 Copenhagen, Denmark
| | - Tina Nørregaard Gissel
- Department of Internal Medicine, Region Hospital Viborg, Heibergs Alle 4F, DK-8800 Viborg, Denmark
| | - Ulla Møller Weinreich
- Department of Respiratory Diseases, Aalborg University Hospital, Aalborg, Mølleparkvej 4, DK-9000 Aalborg, Denmark; Department of Clinical Medicine, Aalborg University, Aalborg, Søndre Skovvej 15, DK-9000 Aalborg, Denmark
| | - Anders Koch
- Global Health Section, Department of Public Health, University of Copenhagen Øster Farimagsgade 5, DK-1353 Copenhagen, Denmark; Department of Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Artillerivej 5, DK-2300 Copenhagen, Denmark; Department of Infectious Diseases, Rigshospitalet University Hospital, Blegdamsvej 9, DK-2100 Copenhagen, Denmark
| | - Christian Wejse
- GloHAU, Center for Global Health, Dept of Public Health, Aarhus University, Bartholins Allé 2, DK-8000 Aarhus C, Denmark; Dept of Infectious Diseases, Institute for Clinical Medicine, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, DK-8200 Aarhus N, Denmark
| | - Troels Lillebaek
- International Reference Laboratory of Mycobacteriology, Statens Serum Institut Artillerivej 5, DK-2300 Copenhagen, Denmark; Global Health Section, Department of Public Health, University of Copenhagen Øster Farimagsgade 5, DK-1353 Copenhagen, Denmark.
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Yang F, Yu H, Kantipudi K, Karki M, Kassim YM, Rosenthal A, Hurt DE, Yaniv Z, Jaeger S. Differentiating between drug-sensitive and drug-resistant tuberculosis with machine learning for clinical and radiological features. Quant Imaging Med Surg 2022; 12:675-687. [PMID: 34993110 DOI: 10.21037/qims-21-290] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 07/23/2021] [Indexed: 12/12/2022]
Abstract
Background Tuberculosis (TB) drug resistance is a worldwide public health problem that threatens progress made in TB care and control. Early detection of drug resistance is important for disease control, with discrimination between drug-resistant TB (DR-TB) and drug-sensitive TB (DS-TB) still being an open problem. The objective of this work is to investigate the relevance of readily available clinical data and data derived from chest X-rays (CXRs) in DR-TB prediction and to investigate the possibility of applying machine learning techniques to selected clinical and radiological features for discrimination between DR-TB and DS-TB. We hypothesize that the number of sextants affected by abnormalities such as nodule, cavity, collapse and infiltrate may serve as a radiological feature for DR-TB identification, and that both clinical and radiological features are important factors for machine classification of DR-TB and DS-TB. Methods We use data from the NIAID TB Portals program (https://tbportals.niaid.nih.gov), 1,455 DR-TB cases and 782 DS-TB cases from 11 countries. We first select three clinical features and 26 radiological features from the dataset. Then, we perform Pearson's chi-squared test to analyze the significance of the selected clinical and radiological features. Finally, we train machine classifiers based on different features and evaluate their ability to differentiate between DR-TB and DS-TB. Results Pearson's chi-squared test shows that two clinical features and 23 radiological features are statistically significant regarding DR-TB vs. DS-TB. A ten-fold cross-validation using a support vector machine shows that automatic discrimination between DR-TB and DS-TB achieves an average accuracy of 72.34% and an average AUC value of 78.42%, when combing all 25 statistically significant features. Conclusions Our study suggests that the number of affected lung sextants can be used for predicting DR-TB, and that automatic discrimination between DR-TB and DS-TB is possible, with a combination of clinical features and radiological features providing the best performance.
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Affiliation(s)
- Feng Yang
- Lister Hill National Center for Biomedical Communications, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Hang Yu
- Lister Hill National Center for Biomedical Communications, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Karthik Kantipudi
- Office of Cyber Infrastructure and Computational Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Manohar Karki
- Lister Hill National Center for Biomedical Communications, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Yasmin M Kassim
- Lister Hill National Center for Biomedical Communications, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Alex Rosenthal
- Office of Cyber Infrastructure and Computational Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Darrell E Hurt
- Office of Cyber Infrastructure and Computational Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Ziv Yaniv
- Office of Cyber Infrastructure and Computational Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Stefan Jaeger
- Lister Hill National Center for Biomedical Communications, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
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Song WM, Guo J, Xu TT, Li SJ, Liu JY, Tao NN, Liu Y, Zhang QY, Liu SQ, An QQ, Li YF, Yu CB, Dong JH, Li HC. Association between body mass index and newly diagnosed drug-resistant pulmonary tuberculosis in Shandong, China from 2004 to 2019. BMC Pulm Med 2021; 21:399. [PMID: 34872558 PMCID: PMC8647447 DOI: 10.1186/s12890-021-01774-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 12/01/2021] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Drug-resistant tuberculosis (DR-TB), obesity, and malnutrition are growing public health problems in the world. However, little has discussed the impact of different BMI status on the emergence of TB drug resistance. We aimed to explore the drug-resistant profiles of DR-TB and its clinical predictors among underweight, overweight or obesity population. METHODS 8957 newly diagnosed TB cases with drug susceptibility results and BMI data in Shandong China, from 2004 to 2019 were enrolled. Multivariable and univariable logistic regression models were applied to investigate the impact of BMI on different drug-resistance. Clinical predicators and drug-resistant profiles of DR-TB among obesity, underweight, normal TB group were also described. RESULTS Among 8957 TB cases, 6417 (71.64%) were normal weight, 2121 (23.68%) were underweight, 373 (4.16%) were overweight, and 46 (0.51%) were obese. The proportion of drug resistance and co-morbidity among normal weight, underweight, overweight, obese TB groups were 18.86%/18.25%/20.38%/23.91% (DR-TB), 11.19%/11.74%/9.65%/17.39% (mono-resistant tuberculosis, MR-TB), 3.41%/3.06%/5.36%/0.00% (multidrug resistant tuberculosis, MDR-TB), 4.21%/3.39%/5.36%/6.52% (polydrug resistant tuberculosis, PDR-TB), 10.57%/8.44%/19.57%/23.91% (co-morbidity), respectively. Compared with normal weight group, underweight were associated with lower risk of streptomycin-related resistance (OR 0.844, 95% CI 0.726-0.982), but contributed to a higher risk of MR-TB (isoniazid) (odds ratio (OR) 1.347, 95% CI 1.049-1.730; adjusted OR (aOR) 1.31, 95% CI 1.017-1.686), P < 0.05. In addition, overweight were positively associated with MDR-TB (OR 1.603, 95% CI 1.002-2.566; aOR 1.639, 95% CI 1.02-2.633), isoniazid + rifampicin + streptomycin resistance (OR 1.948, 95% confidence interval (CI): 1.061-3.577; aOR 2.113, 95% CI 1.141-3.912), Any isoniazid + streptomycin resistance (OR 1.472, 95% CI 1.013-2.14; aOR 1.483, 95% CI 1.017-2.164), P < 0.05. CONCLUSIONS The higher risk of MDR-TB, isoniazid + rifampicin + streptomycin resistance, Any isoniazid + streptomycin resistance, and co-morbidity among overweight population implies that routine screening for drug sensitivity and more attention on co-morbidity among overweight TB cases may be necessary. In addition, underweight TB cases have a higher risk of isoniazid resistance. Our study suggests that an in-depth study of the interaction between host metabolic activity and infection of DR-TB may contribute more to novel treatment options or preventive measures, and accelerate the implementation of the STOP TB strategy.
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Affiliation(s)
- Wan-Mei Song
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China.,Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, People's Republic of China
| | - Jing Guo
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China.,School of Medicine and Life Sciences, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, 271016, Shandong, People's Republic of China.,Department of Emergency, The Fifth People's Hospital of Jinan, Jinan, 250031, Shandong, People's Republic of China
| | - Ting-Ting Xu
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China.,School of Medicine and Life Sciences, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, 271016, Shandong, People's Republic of China
| | - Shi-Jin Li
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China.,Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, People's Republic of China
| | - Jin-Yue Liu
- Department of Intensive Care Unit, Shandong Provincial Third Hospital, Jinan, 100191, Shandong, People's Republic of China
| | - Ning-Ning Tao
- Department of Respiratory and Critical Care Medicine, Beijing Hospital, Beijing, 100730, People's Republic of China.,Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, People's Republic of China
| | - Yao Liu
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China
| | - Qian-Yun Zhang
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China.,Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, People's Republic of China
| | - Si-Qi Liu
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China.,Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, People's Republic of China
| | - Qi-Qi An
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China.,Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, People's Republic of China
| | - Yi-Fan Li
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China
| | - Chun-Bao Yu
- Katharine Hsu International Research Center of Human Infectious Diseases, Shandong Provincial Chest Hospital, Jinan, 250013, Shandong, People's Republic of China
| | - Ji-Hua Dong
- Department of Respiratory Medicine, Heze Mudan People's Hospital, Heze, 274000, Shandong, People's Republic of China.
| | - Huai-Chen Li
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China. .,College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, Shandong, People's Republic of China.
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Lecai J, Mijiti P, Chuangyue H, Mingzhen L, Qian G, Weiguo T, Jihong C. Predictors and Trends of MDR/RR-TB in Shenzhen China: A Retrospective 2012-2020 Period Analysis. Infect Drug Resist 2021; 14:4481-4491. [PMID: 34737588 PMCID: PMC8558316 DOI: 10.2147/idr.s335329] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 10/07/2021] [Indexed: 11/23/2022] Open
Abstract
Purpose We analyzed the trends and predictors of multidrug-resistant (MDR) or rifampicin-resistant (RR) tuberculosis (TB) in culture-positive cases in Shenzhen during 2012–2020, after the implementation of improved strategies (scale-up molecular drug susceptibility testing [mDST], expansion of DST eligibility, and generous reimbursement of MDR-TB outpatient care costs). Materials and Methods We retrospectively extracted and analyzed data from the TB Information System on drug-resistant pulmonary tuberculosis diagnosed in Shenzhen during the 2012–2020 period. We analyzed trends in RR- and MDR-TB rates in new cases during 2012–2018 and 2018–2020 periods, and among previously-treated cases during 2012–2017 and 2017–2020 periods, using Cochran-Armitage tests. We generated multivariate logistic regression models to analyze demographic predictors of MDR/RR-TB rates. Results We found 21,367 positive mycobacterial cultures in Shenzhen during the 2012–2020 period, and 19,951 (93.4%) were identified as Mycobacterium tuberculosis and had DST results (92.0% of those were mDST-based). Of these patients with DST results, 1630 (8.2%) were RR-TB, and 1142 (5.7%) were MDR-TB. Of the RR-TB, 70% were MDR-TB. The MDR/RR-TB rate in new TB cases increased significantly during the 2012–2018 period (Ptrend < 0.05), but it decreased in the 2018–2020 period (Ptrend > 0.05, with a significant trend for MDR-TB). Among previously treated cases, the temporal MDR/RR-TB rate trends did not differ significantly (Ptrend > 0.05). Our multivariate analysis showed that age younger than 30 years, housework service/unemployment, local residency, and previous TB treatment were all predictors of MDR/RR-TB. The percentage of patients with MDR-TB on treatment increased from 49.4% in 2012 to 70.5% in 2020. The treatment success rate of patients with MDR-TB during the 2012–2018 period was 71%. Conclusion During the study period in Shenzhen, the cases of MDR/RR-TB were detected, and the treatment enrollment increased and the MDR-TB rates decreased gradually after 2017. Decreasing trends may reflect the efficacy of improved strategies; however, their long-term impact on the MDR-TB burden remains to be investigated. The predictors of MDR-TB identified in our study should be considered when developing targeted MDR-TB control strategies.
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Affiliation(s)
- Ji Lecai
- Department of Nephrology, Affiliated Bao'an Hospital of Shenzhen, The Second School of Clinical Medicine, Southern Medical University, Shenzhen, Guangdong, 518101, People's Republic of China.,Department of Tuberculosis, Shenzhen Center for Chronic Disease Control, Shenzhen, 518000, Guangdong, People's Republic of China
| | - Peierdun Mijiti
- The Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Science, Fudan University, Shanghai, 200032, People's Republic of China
| | - Hong Chuangyue
- Department of Tuberculosis, Shenzhen Center for Chronic Disease Control, Shenzhen, 518000, Guangdong, People's Republic of China
| | - Li Mingzhen
- Department of Tuberculosis, Shenzhen Center for Chronic Disease Control, Shenzhen, 518000, Guangdong, People's Republic of China
| | - Gao Qian
- The Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Science, Fudan University, Shanghai, 200032, People's Republic of China
| | - Tan Weiguo
- Department of Tuberculosis, Shenzhen Center for Chronic Disease Control, Shenzhen, 518000, Guangdong, People's Republic of China
| | - Chen Jihong
- Department of Nephrology, Affiliated Bao'an Hospital of Shenzhen, The Second School of Clinical Medicine, Southern Medical University, Shenzhen, Guangdong, 518101, People's Republic of China
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Monde N, Zulu M, Tembo M, Handema R, Munyeme M, Malama S. Drug Resistant Tuberculosis in the Northern Region of Zambia: A Retrospective Study. FRONTIERS IN TROPICAL DISEASES 2021. [DOI: 10.3389/fitd.2021.735028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BackgroundZambia like many countries in sub-Saharan Africa is affected with drug resistant tuberculosis. However, the drug resistant tuberculosis situation over the years has not been described in various regions of the country. Consequently, this study aims to determine the drug resistant tuberculosis burden in northern regions of Zambia over a four-year period based on data generated from a Regional Tuberculosis Reference Laboratory.MethodTwo hundred and thirty two (232) Tuberculosis Drug Susceptibility Testing results over a four-year period (2016-2019) were reviewed. Data was collected from tuberculosis registers and patient request forms and entered into a pre-tested standardized checklist and later entered in Excel Computer software. Double blinded checking was done by two independent data clerks to minimize duplication of cases. Cleaned data was then imported in R programme for analysis. Bivariant and descriptive statistics were performed and reported.ResultsOf 232 Drug Susceptibility Testing results, 90.9% were drug resistant TB while 9% were drug susceptible. Fifty three percent (53%) of these were multi-drug resistant Tuberculosis and 32% were confirmed as Rifampicin Mono-resistance. Only 1.7% of the Multi-drug resistant Tuberculosis patients were Pre-extensively drug-resistant Tuberculosis. Copperbelt province had the largest proportion (46.0%) of multi-drug resistant tuberculosis patients followed by Luapula (8.1%) and North-Western (4.7%) provinces. In new and previously treated patients, the proportion of Multi-drug resistant tuberculosis was 71.8% and 28.7% respectively. History of previous anti-tuberculosis treatment and treatment failure were associated with multi-drug resistance TB.Conclusion and RecommendationThis study has shown a small increase in the proportions of drug resistant tuberculosis cases over the four years under review with high rates being recorded on the Copperbelt Province. Previous treatment to first line TB treatment and treatment failure were associated with development of Multi-drug resistance. We therefore recommend strengthened routine laboratory surveillance and improved case management of multi-drug resistant tuberculosis patients in the region.
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Micheni LN, Kassaza K, Kinyi H, Ntulume I, Bazira J. Rifampicin and isoniazid drug resistance among patients diagnosed with pulmonary tuberculosis in southwestern Uganda. PLoS One 2021; 16:e0259221. [PMID: 34714879 PMCID: PMC8555815 DOI: 10.1371/journal.pone.0259221] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 10/18/2021] [Indexed: 11/18/2022] Open
Abstract
Multidrug-resistant tuberculosis (MDR-TB) has become a major threat to the control of tuberculosis globally. Uganda is among the countries with a relatively high prevalence of tuberculosis despite significant control efforts. In this study, the drug resistance of Mycobacterium tuberculosis to rifampicin (RIF) and isoniazid (INH) was investigated among patients diagnosed with pulmonary tuberculosis in Southwestern Uganda. A total of 283 sputum samples (266 from newly diagnosed and 17 from previously treated patients), collected between May 2018 and April 2019 at four different TB diagnostic centres, were assessed for RIF and INH resistance using high-resolution melt curve analysis. The overall prevalence of monoresistance to INH and RIF was 8.5% and 11% respectively, while the prevalence of MDR-TB was 6.7%. Bivariate analysis showed that patients aged 25 to 44 years were at a higher risk of developing MDR-TB (cOR 0.253). Furthermore, among the newly diagnosed patients, the prevalence of monoresistance to INH, RIF and MDR-TB was 8.6%, 10.2% and 6.4% respectively; while among the previously treated cases, these prevalence rates were 5.9%, 23.5% and 11.8%. These rates are higher than those reported previously indicating a rise in MTB drug resistance and may call for measures used to prevent a further rise in drug resistance. There is also a need to conduct frequent drug resistance surveys, to monitor and curtail the development and spread of drug-resistant TB.
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Affiliation(s)
- Lisa Nkatha Micheni
- Department of Microbiology, Faculty of Medicine, Mbarara University of Science and Technology, Mbarara, Uganda
- Department of Microbiology and Immunology, Faculty of Biomedical Sciences, Kampala International University Western Campus, Bushenyi, Uganda
| | - Kennedy Kassaza
- Department of Microbiology, Faculty of Medicine, Mbarara University of Science and Technology, Mbarara, Uganda
| | - Hellen Kinyi
- Department of Biochemistry, School of Medicine, Kabale University, Kabale, Uganda
| | - Ibrahim Ntulume
- Department of Microbiology and Immunology, Faculty of Biomedical Sciences, Kampala International University Western Campus, Bushenyi, Uganda
| | - Joel Bazira
- Department of Microbiology, Faculty of Medicine, Mbarara University of Science and Technology, Mbarara, Uganda
- * E-mail:
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Atre SR, Jagtap JD, Faqih MI, Dumbare YK, Sawant TU, Ambike SL, Bhawalkar JS, Bharaswadkar SK, Jogewar PK, Adkekar RS, Hodgar BP, Jadhav V, Mokashi ND, Golub JE, Dixit A, Farhat MR. Tuberculosis Pathways to Care and Transmission of Multidrug-Resistance in India. Am J Respir Crit Care Med 2021; 205:233-241. [PMID: 34706203 PMCID: PMC8787245 DOI: 10.1164/rccm.202012-4333oc] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Rationale India is experiencing a regional increase in cases of multidrug-resistant tuberculosis (MDR-TB). Objectives Given the complexity of MDR-TB diagnosis and care, we sought to address key knowledge gaps in MDR risk factors, care delays, and drivers of delay to help guide disease control. Methods From January 2018 to September 2019, we conducted interviews with adults registered with the National TB Elimination Program for MDR (n = 128) and non–MDR-TB (n = 269) treatment to quantitatively and qualitatively study care pathways. We collected treatment records and GeneXpert-TB/RIF diagnostic reports. Measurements and Main Results MDR-TB was associated with young age and crowded residence. GeneXpert rifampicin resistance diversity was measured at 72.5% Probe E. Median time from symptom onset to diagnosis of MDR was 90 days versus 60 days for non-MDR, Wilcoxon P < 0.01. Delay decreased by a median of 30 days among non-MDR patients with wider access to GeneXpert, Wilcoxon P = 0.02. Pathways to care were complex, with a median (interquartile range) of 4 (3–5) and 3 (2–4) encounters for MDR and non-MDR, respectively. Of patients with MDR-TB, 68% had their first encounter in the private sector, and this was associated with a larger number of subsequent healthcare encounters and catastrophic expenditure. Conclusions The association of MDR with young age, crowding, and low genotypic diversity raises concerns of ongoing MDR transmission fueled by long delays in care. Delays are decreasing with GeneXpert use, suggesting the need for routine use in presumptive TB. Qualitatively, we identify the need to improve patient retention in the National TB Elimination Program and highlight patients’ trust relationship with private providers.
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Affiliation(s)
- Sachin R Atre
- Dr D Y Patil Medical College Hospital and Research Centre, 75141, Pune, India;
| | - Jayshri D Jagtap
- Dr D Y Patil Medical College Hospital and Research Centre, 75141, Pune, India
| | - Mujtaba I Faqih
- Dr D Y Patil Medical College Hospital and Research Centre, 75141, Pune, India
| | - Yogita K Dumbare
- Dr D Y Patil Medical College Hospital and Research Centre, 75141, Pune, India
| | - Trupti U Sawant
- Dr D Y Patil Medical College Hospital and Research Centre, 75141, Pune, India
| | - Sunil L Ambike
- Dr D Y Patil Medical College Hospital and Research Centre, 75141, Pune, India
| | | | | | | | | | | | | | | | - Jonathan E Golub
- Johns Hopkins University, School of Medicine, Baltimore, Maryland, United States
| | - Avika Dixit
- Harvard Medical School Department of Biomedical Informatics, 168461, Boston, Massachusetts, United States
| | - Maha R Farhat
- Harvard Medical School Department of Biomedical Informatics, 168461, Boston, Massachusetts, United States
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Diriba G, Tola HH, Alemu A, Yenew B, Gamtesa DF, Kebede A. Drug resistance and its risk factors among extrapulmonary tuberculosis in Ethiopia: A systematic review and meta-analysis. PLoS One 2021; 16:e0258295. [PMID: 34624050 PMCID: PMC8500428 DOI: 10.1371/journal.pone.0258295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 09/24/2021] [Indexed: 11/20/2022] Open
Abstract
Background Drug-resistant tuberculosis and extrapulmonary tuberculosis are the world major public health issues. Although some primary studies have been reported on the burden of drug-resistant tuberculosis in extrapulmonary tuberculosis patients in Ethiopia, there is no systematic review and meta-analysis that attempt to summarize the available literature. Thus, we aimed to estimates the prevalence of drug-resistance in extrapulmonary tuberculosis patients and summarize the risk factors associated with the occurrence of extrapulmonary tuberculosis in Ethiopia. Methods We conducted a systematic review of the published primary studies on extrapulmonary drug-resistant tuberculosis in Ethiopia. Results Eight observational studies were included in this review from different regions of Ethiopia. The overall pooled prevalence of rifampicin resistance was 6% (95% CI 0.03–0.10), while isoniazid resistance was 7% (95% CI 0.03–0.12). The pooled prevalence of multidrug-resistant tuberculosis was 4% (95% CI 0.01–0.07). Previous tuberculosis treatment history and male gender are frequently reported risk factors for developing drug-resistant tuberculosis in extrapulmonary tuberculosis patients. Conclusion The current review has identified a high proportion of resistance to rifampicin, isoniazid, and multidrug-resistant tuberculosis in patients with extrapulmonary tuberculosis in Ethiopia. Clinicians should request drug susceptibility testing for all patients with presumptive extrapulmonary tuberculosis to detect drug-resistance.
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Affiliation(s)
- Getu Diriba
- Ethiopia National Tuberculosis Reference Laboratory, Ethiopian Public Health Institute, Addis Ababa, Ethiopia
- * E-mail:
| | - Habteyes Hailu Tola
- Ethiopia National Tuberculosis Reference Laboratory, Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Ayinalem Alemu
- Ethiopia National Tuberculosis Reference Laboratory, Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Bazezew Yenew
- Ethiopia National Tuberculosis Reference Laboratory, Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Dinka Fikadu Gamtesa
- Ethiopia National Tuberculosis Reference Laboratory, Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Abebaw Kebede
- Ethiopia National Tuberculosis Reference Laboratory, Ethiopian Public Health Institute, Addis Ababa, Ethiopia
- Department of Microbial, Cellular and Molecular Biology, College of Natural and Computational Sciences, Addis Ababa University, Addis Ababa, Ethiopia
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Al-Hayani AM, Kamel SA, Almudarra SS, Alhayani M, Abu-Zaid A. Drug Resistance to Anti-Tuberculosis Drugs: A Cross-Sectional Study From Makkah, Saudi Arabia. Cureus 2021; 13:e17069. [PMID: 34522547 PMCID: PMC8428200 DOI: 10.7759/cureus.17069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/10/2021] [Indexed: 01/10/2023] Open
Abstract
Aim The aim of this study was to investigate the patterns and determinants of drug resistance to tuberculosis (TB) in a large population from Makkah, Saudi Arabia. Methods A retrospective, cross-sectional cohort study was conducted on all patients with TB who were referred to the National Tuberculosis Prevention Program in Makkah, Saudi Arabia, between January 2016 and September 2020. For each TB case, demographic data were collected in addition to the results of drug susceptibility testing (DST) for anti-TB drugs. The Statistical Package for Social Sciences (SPSS) software for Windows, version 23 (IBM Corporation, Armonk, NY, USA), was used for the statistical analysis. Results A total of 472 TB-confirmed cases were included in the analysis. The mean ± standard deviation of the age was 38.5 ± 17.7 years. The vast majority of patients were male (62.7%) and had pulmonary TB (91.7%). Only a small proportion of the patients with TB had diabetes mellitus (8.5%). Overall, the prevalence of monodrug-resistant TB ranged from 2.1% to 3.4%. Specifically, the prevalence of monodrug-resistant TB to isoniazid and streptomycin was ranked first and was equal to 3.4%. Pyrazinamide had the lowest prevalence of monodrug-resistant TB (2.1%). The prevalence of polydrug-resistant TB (PDR-TB) and multidrug-resistant TB (MDR-TB) was 1.5%. In the univariate analysis, sex (male) was the only sociodemographic factor that significantly correlated with a higher prevalence of MDR-TB. Conclusions This is the second study from Makkah to analyze the prevalence and associated risk factors of MDR-TB among patients from Makkah. Our data demonstrated that the prevalence of monodrug-resistant TB and MDR-TB was low (2.1%-3.4% and 1.5%, respectively). Diabetes mellitus was not a substantial factor correlated with a higher occurrence of MDR-TB. Additional epidemiologic studies are required to validate our results.
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Affiliation(s)
- Ahmad M Al-Hayani
- Saudi Field Epidemiology Training Program, Ministry of Health, Riyadh, SAU
| | - Shady A Kamel
- Saudi Field Epidemiology Training Program, Ministry of Health, Riyadh, SAU
| | - Sami S Almudarra
- Saudi Field Epidemiology Training Program, Ministry of Health, Riyadh, SAU
| | - Majed Alhayani
- College of Medicine, King Abdulaziz University, Jeddah, SAU
| | - Ahmed Abu-Zaid
- College of Graduate Health Sciences, The University of Tennessee Health Science Center, Memphis, USA
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Song WM, Liu Y, Zhang QY, Liu SQ, Xu TT, Li SJ, An QQ, Liu JY, Tao NN, Liu Y, Yu CB, Yu CX, Li YF, Li HC. Ambient air pollutants, diabetes and risk of newly diagnosed drug-resistant tuberculosis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 219:112352. [PMID: 34044311 DOI: 10.1016/j.ecoenv.2021.112352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 05/08/2021] [Accepted: 05/16/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Drug-resistant tuberculosis (DR-TB), diabetes and exposure to air pollution are thought to be important threat to human health, but no studies have explored the effects of ambient air pollutants on DR-TB when adjusting diabetes status so far. METHODS We performed a study among 3759 newly diagnosed TB cases with drug-susceptibility testing results, diabetes status, and individual air pollution data in Shandong from 2015 to 2019. Generalized linear mixed models (GLMM) including three models (Model 1: without covariates, Model 2: adjusted by diabetes status only, Model 3: with all covariates) were applied. RESULTS Of 3759 TB patients enrolled, 716 (19.05%) were DR-TB, and 333 (8.86%) had diabetes. High exposure to O3 was associated with an increased risk of RFP-resistance (Model 2 or 3: odds ratio (OR) = 1.008, 95% confidence intervals (CI): 1.002-1.014), ethambutol-resistance (Model 3: OR = 1.015, 95%CI: 1.004-1.027) and any rifampicin+streptomycin resistance (Model 1,2,3: OR = 1.01, 95%CI: 1.002-1.018) at 90 days. In contrast, NO2 was associated with a reduced risk of DR-TB (Model 3: OR = 0.99, 95%CI: 0.981-0.999) and multidrug-resistant TB (MDR-TB) (Model 3: OR = 0.977, 95%CI: 0.96-0.994) at 360 days. Additionally, SO2 (Model 1, 2, 3: OR = 0.987, 95%CI: 0.977-0.998) showed a protective effect on MDR-TB at 90 days. PM2.5 (90 days, Model 2: OR = 0.991, 95%CI: 0.983-0.999), PM10 (360 days, Model 2: OR = 0.992, 95%CI: 0.985-0.999) had protective effects on any RFP+SM resistance. CONCLUSIONS O3 contributed to an elevated risk of TB resistance but PM2.5, PM10, SO2, NO2 showed an inverse effect. Air pollutants may affect the development of drug resistance among TB cases by adjusting the status of diabetes.
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Affiliation(s)
- Wan-Mei Song
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 250021 Jinan, Shandong, People's Republic of China; Cheeloo College of Medicine, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Yi Liu
- Department of Biostatistics, School of Public Health, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Qian-Yun Zhang
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 250021 Jinan, Shandong, People's Republic of China; Cheeloo College of Medicine, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Si-Qi Liu
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 250021 Jinan, Shandong, People's Republic of China; Cheeloo College of Medicine, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Ting-Ting Xu
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, People's Republic of China
| | - Shi-Jin Li
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 250021 Jinan, Shandong, People's Republic of China; Cheeloo College of Medicine, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Qi-Qi An
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 250021 Jinan, Shandong, People's Republic of China; Cheeloo College of Medicine, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Jin-Yue Liu
- Department of Critical Care Medicine, Shandong Provincial Third Hospital, 100191 Jinan, Shandong, People's Republic of China
| | - Ning-Ning Tao
- Department of Respiratory and Critical Care Medicine, Beijing Hospital, 100730 Beijing, People's Republic of China; Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences and Peking Union Medical College, 100730, Beijing, People's Republic of China
| | - Yao Liu
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 250021 Jinan, Shandong, People's Republic of China; Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, People's Republic of China
| | - Chun-Bao Yu
- Katharine Hsu International Research Center of Human Infectious Diseases, Shandong Provincial Chest Hospital, 250013 Jinan, Shandong, People's Republic of China
| | - Cui-Xiang Yu
- Department of Respiratory Medicine, Shandong Qianfoshan Hospital Affiliated to Shandong University, 250014 Jinan, Shandong, People's Republic of China
| | - Yi-Fan Li
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 250021 Jinan, Shandong, People's Republic of China; Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, People's Republic of China.
| | - Huai-Chen Li
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 250021 Jinan, Shandong, People's Republic of China; Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, People's Republic of China; College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, 250355 Jinan, Shandong, People's Republic of China.
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Hajissa K, Marzan M, Idriss MI, Islam MA. Prevalence of Drug-Resistant Tuberculosis in Sudan: A Systematic Review and Meta-Analysis. Antibiotics (Basel) 2021; 10:antibiotics10080932. [PMID: 34438982 PMCID: PMC8388945 DOI: 10.3390/antibiotics10080932] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/29/2021] [Accepted: 07/30/2021] [Indexed: 11/16/2022] Open
Abstract
Drug-resistant tuberculosis (DR-TB) is still one of the most critical issues impeding worldwide TB control efforts. The aim of this systematic review and meta-analysis was to give an updated picture of the prevalence of DR-TB in Sudan. A comprehensive systematic search was performed on four electronic databases (PubMed, Scopus, Web of Science and Google Scholar) to identify all published studies reporting prevalence data of DR-TB in Sudan. Sixteen eligible studies published during 2002-2020 were included. Using meta-analysis of proportions, the pooled prevalence of TB cases with resistance to any anti-TB drugs was 47.0% (95% CI: 35.5-58.6%). The overall prevalence of mono, multi, poly and extensive drug resistance were estimated to be 16.2% (95% CI: 9.0-23.4%), 22.8% (95% CI: 16.0-29.7%), 6.8% (95% CI: 0.5-13.0%) and 0.7% (95% CI: 0-2.1%), respectively. Considering any first-line anti-TB drugs, the resistance prevalence was highest for isoniazid (32.3%) and streptomycin (31.7%), followed by rifampicin (29.2%). In contrast, resistance against second-line drugs was reported for only two antibiotics, namely, ofloxacin (2.1%) and kanamycin (0.7%). Of note, the resistance profile of the previously treated patients was found to be remarkably high compared with the newly diagnosed TB patients. The relatively high prevalence estimation of anti-TB drug resistance warrants strengthening TB control and treatment strategies in Sudan.
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Affiliation(s)
- Khalid Hajissa
- Department of Medical Microbiology & Parasitology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia;
- Department of Zoology, Faculty of Science and Technology, Omdurman Islamic University, P.O. Box 382, Omdurman 14415, Sudan
| | - Mahfuza Marzan
- Department of Microbiology, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh;
| | | | - Md Asiful Islam
- Department of Haematology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia
- Correspondence: or
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Liu L, Zhao X, Wu X, Li S, Liu B, Rajaofera MJN, Zeng Y, Dong S, Bei Z, Pei H, Xia Q. Prevalence and molecular characteristics of drug-resistant Mycobacterium tuberculosis in Hainan, China: from 2014 to 2019. BMC Microbiol 2021; 21:185. [PMID: 34147065 PMCID: PMC8214299 DOI: 10.1186/s12866-021-02246-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 06/02/2021] [Indexed: 11/14/2022] Open
Abstract
Background The emergence of antimicrobial resistance against Mycobacterium tuberculosis (M. tuberculosis) has become the major concern in global tuberculosis control due to its limited therapy options and high mortality. However, the clinical and molecular characteristics of drug-resistant strains vary in different geographical areas. Hainan Island located in southern China, is a high drug-resistant tuberculosis burden area. This study aimed to determine the dynamic changes of drug-resistance patterns and drug-related gene mutation types of M. tuberculosis in Hainan from 2014 to 2019. Results A total of 1484 culture-confirmed M. tuberculosis were included in this study. It was found that the proportions of drug resistance to isoniazid and rifampin were 31.3 and 31.1% respectively. Overall the proportion of multidrug resistant M. tuberculosis was 24.9%. Multivariate logistic regression analysis showed that age and the treatment history were independent influencing factors of drug resistant tuberculosis. The proportions of drug-resistant tuberculosis in retreatment patients were considerably higher than those in new patients. The most common mutation types of isoniazid were Ser315 → Thr (66.3%), and the most common mutation types of rifampin were Ser531 → Leu (41.5%). Conclusions Our data suggests that the prevalence of drug resistant TB remains high in Hainan, and the risks for developing drug resistance with diversified mutation types increased significantly in retreatment patients. These results contribute to the knowledge of the prevalence of drug resistance in Hainan Province and expand the molecular characteristics of drug resistance in China simultaneously.
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Affiliation(s)
- Lin Liu
- NHC Key Laboratory of Control of Tropical diseases, Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, 571199, China
| | - Xiujuan Zhao
- Public Health School, Hainan Medical University, Haikou, 571199, Hainan, China
| | - Xingyong Wu
- NHC Key Laboratory of Control of Tropical diseases, Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, 571199, China
| | - Sijing Li
- NHC Key Laboratory of Control of Tropical diseases, Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, 571199, China
| | - Biao Liu
- NHC Key Laboratory of Control of Tropical diseases, Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, 571199, China
| | - Mamy Jayne Nelly Rajaofera
- NHC Key Laboratory of Control of Tropical diseases, Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, 571199, China
| | - Yingfei Zeng
- NHC Key Laboratory of Control of Tropical diseases, Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, 571199, China
| | - Sufang Dong
- NHC Key Laboratory of Control of Tropical diseases, Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, 571199, China
| | - Zheng Bei
- Hainan Province cadre sanatorium, Hainan Province Geriatric Hospital, Haikou, 571100, China
| | - Hua Pei
- Department of Clinical Laboratory, The Second Affiliated Hospital, Hainan Medical University, Haikou, 570311, China.
| | - Qianfeng Xia
- NHC Key Laboratory of Control of Tropical diseases, Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, 571199, China.
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Sylverken AA, Kwarteng A, Twumasi-Ankrah S, Owusu M, Arthur RA, Dumevi RM, Adu-Amoah L, Addofoh N, Okyere PB, Dzata F, Bonsu F, Adusi-Poku Y, Kranzer K, Siroka A, van Gemert W, Dean A, Owusu-Dabo E. The burden of drug resistance tuberculosis in Ghana; results of the First National Survey. PLoS One 2021; 16:e0252819. [PMID: 34111159 PMCID: PMC8191906 DOI: 10.1371/journal.pone.0252819] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 05/21/2021] [Indexed: 11/19/2022] Open
Abstract
Resistance to Tuberculosis drugs has become a major threat to the control of tuberculosis (TB) globally. We conducted the first nation-wide drug resistance survey to investigate the level and pattern of resistance to first-line TB drugs among newly and previously treated sputum smear-positive TB cases. We also evaluated associations between potential risk factors and TB drug resistance. Using the World Health Organization (WHO) guidelines on conducting national TB surveys, we selected study participants from 33 health facilities from across the country, grouped into 29 clusters, and included them into the survey. Between April 2016 and June 2017, a total of 927 patients (859 new and 68 previously treated) were enrolled in the survey. Mycobacterium tuberculosis complex (MTBC) isolates were successfully cultured from 598 (65.5%) patient samples and underwent DST, 550 from newly diagnosed and 48 from previously treated patients. The proportion of patients who showed resistance to any of the TB drugs tested was 25.2% (95% CI; 21.8–28.9). The most frequent resistance was to Streptomycin (STR) (12.3%), followed by Isoniazid (INH) (10.4%), with Rifampicin (RIF), showing the least resistance of 2.4%. Resistance to Isoniazid and Rifampicin (multi-drug resistance) was found in 19 (3.2%; 95% CI: 1.9–4.9) isolates. Prevalence of multidrug resistance was 7 (1.3%; 95% CI: 0.5–2.6) among newly diagnosed and 12 (25.0%; 95% CI: 13.6–39.6) among previously treated patients. At both univariate and multivariate analysis, MDR-TB was positively associated with previous history of TB treatment (OR = 5.09, 95% CI: 1.75–14.75, p = 0.003); (OR = 5.41, 95% CI: 1.69–17.30, p = 0.004). The higher levels of MDR-TB and overall resistance to any TB drug among previously treated patients raises concerns about adherence to treatment. This calls for strengthening existing TB programme measures to ensure a system for adequately testing and monitoring TB drug resistance.
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Affiliation(s)
- Augustina Angelina Sylverken
- Department of Theoretical and Applied Biology, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
- Kumasi Centre for Collaborative Research in Tropical Medicine, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
- * E-mail:
| | - Alexander Kwarteng
- Kumasi Centre for Collaborative Research in Tropical Medicine, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
- Department of Biochemistry and Biotechnology, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Sampson Twumasi-Ankrah
- Kumasi Centre for Collaborative Research in Tropical Medicine, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
- Department of Statistics and Actuarial Science, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Michael Owusu
- Department of Medical Laboratory Technology, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Rejoice Agyeiwaa Arthur
- Kumasi Centre for Collaborative Research in Tropical Medicine, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Rexford Mawunyo Dumevi
- Kumasi Centre for Collaborative Research in Tropical Medicine, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Louis Adu-Amoah
- Kumasi Centre for Collaborative Research in Tropical Medicine, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Nicholas Addofoh
- Kumasi Centre for Collaborative Research in Tropical Medicine, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Portia Boakye Okyere
- Kumasi Centre for Collaborative Research in Tropical Medicine, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Francisca Dzata
- National Tuberculosis Control Programme, Ghana Health Service, Accra, Ghana
| | - Frank Bonsu
- National Tuberculosis Control Programme, Ghana Health Service, Accra, Ghana
| | - Yaw Adusi-Poku
- National Tuberculosis Control Programme, Ghana Health Service, Accra, Ghana
| | | | - Andrew Siroka
- Global Tuberculosis Programme, World Health Organization, Geneva, Switzerland
| | - Wayne van Gemert
- Global Tuberculosis Programme, World Health Organization, Geneva, Switzerland
| | - Anna Dean
- Global Tuberculosis Programme, World Health Organization, Geneva, Switzerland
| | - Ellis Owusu-Dabo
- Kumasi Centre for Collaborative Research in Tropical Medicine, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
- Department of Global and International Health, School of Public Health, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
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Chen MP, Miramontes R, Kammerer JS. Multidrug-resistant tuberculosis in the United States, 2011-2016: patient characteristics and risk factors. Int J Tuberc Lung Dis 2021; 24:92-99. [PMID: 32005311 DOI: 10.5588/ijtld.19.0173] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVE: To determine risk factors for multidrug-resistant tuberculosis (MDR-TB) and describe MDR-TB according to three characteristics: previous TB disease, recent transmission of MDR-TB, and reactivation of latent MDR-TB infection.SETTING and DESIGN: We used 2011-2016 surveillance data from the US National Tuberculosis Surveillance System and National Tuberculosis Genotyping Service and used logistic regression models to estimate risk factors associated with MDR-TB.RESULTS: A total of 615/45 209 (1.4%) cases were confirmed as MDR-TB; 111/615 (18%) reported previous TB disease; 41/615 (6.7%) were attributed to recent MDR-TB transmission; and 449/615 (73%) to reactivation. Only 12/41 (29%) patients with TB attributed to recent transmission were known to be contacts of someone with MDR-TB. For non-US-born patients, the adjusted odds ratios of having MDR-TB were 32.6 (95%CI 14.6-72.6) among those who were known to be contacts of someone with MDR-TB and 6.5 (95%CI 5.1-8.3) among those who had had previous TB disease.CONCLUSION: The majority of MDR-TB cases in the United States were associated with previous TB disease or reactivation of latent MDR-TB infection; only a small proportion of MDR-TB cases were associated with recent transmission.
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Affiliation(s)
- M P Chen
- Division of Tuberculosis Elimination, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - R Miramontes
- Division of Tuberculosis Elimination, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - J S Kammerer
- Division of Tuberculosis Elimination, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
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Cheng Q, Xie L, Wang L, Lu M, Li Q, Wu Y, Huang Y, Jia Q, Zhao G. Impact of different tuberculosis history at the onset of future multidrug-resistant tuberculosis: A large, retrospective, population-based cohort study. J Glob Antimicrob Resist 2020; 24:158-168. [PMID: 33359935 DOI: 10.1016/j.jgar.2020.12.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 09/22/2020] [Accepted: 12/03/2020] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVES The impact of tuberculosis (TB) history on the risk of multidrug-resistant tuberculosis (MDR-TB) is not yet fully understood. We aimed to identify the impact of different TB history at the onset of future MDR-TB. METHODS A large, retrospective, population-based cohort study was performed between 2005 and 2019. A multivariable Cox model was used to evaluate independent risk factors for MDR-TB for individuals with different previous TB history (PTBH), such as newly diagnosed TB history (NDTH) and re-treated TB history (RTH). RESULTS Overall, 12 172 individuals with PTBH were included in this study. The main impacts of different PTBH at the onset of future MDR-TB were as follows: (a) low family income, high-risk occupation, TB patients with severe infection, extended or shortened treatment course, 2H3R3Z3E3/4H3R3 and frequency of sputum culture were significantly linked to incident MDR-TB only in individuals with NDTH (P < 0.05); (b) passive mode of TB case finding, individualised treatment regimens, 3HRZES/6HRE, duration of pulmonary cavities, excellent frequency of chest X-ray examination and duration of negative sputum smear were significantly associated with incident MDR-TB only in individuals with RTH (P < 0.05); (c) age <60 years, history of direct contact, human immunodeficiency virus (HIV) infection, unsuccessful treatment and duration of positive sputum culture were related to incident MDR-TB in both categories of PTBH individuals (P < 0.05). CONCLUSION Early and differential surveillances, assessments and interventions for reducing the risk of MDR-TB among individuals with different PTBH play a key role.
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Affiliation(s)
- Qinglin Cheng
- Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China; School of Medicine, Hangzhou Normal University, Hangzhou 310021, China
| | - Li Xie
- Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - Le Wang
- Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - Min Lu
- Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - Qingchun Li
- Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - Yifei Wu
- Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - Yinyan Huang
- Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - Qingjun Jia
- Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - Gang Zhao
- Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China.
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Ali M, Howady F, Munir W, Karim H, Al-Suwaidi Z, Al-Maslamani M, Alkhal A, Elmaki N, Ziglam H. Drug-resistant tuberculosis: an experience from Qatar. Libyan J Med 2020; 15:1744351. [PMID: 32238120 PMCID: PMC7170354 DOI: 10.1080/19932820.2020.1744351] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 01/22/2020] [Indexed: 11/16/2022] Open
Abstract
This study was conducted to evaluate the characteristics, treatment outcome and risk factors associated with 223 drug-resistant tuberculosis (DR-TB) cases in the State of Qatar. A descriptive records-based retrospective study was conducted on patients registered at Communicable Disease Centre (CDC), Qatar to all consecutive microbiologically confirmed tuberculosis cases for the period January 2010 - March 2015. Demographic, clinical data, drug-resistance pattern of isolated mycobacteria and treatment outcome was assessed for the patient who completed their treatment in Qatar. Of 3301 patients with positive M. tuberculosis culture were analyzed; 223 (6.7%) were resistant to at least one drug. The overall prevalence of multi-d rug resistant TB (MDR-TB) was 1.2% (n = 38) of patients. A former resident of Indian sub contents was the most common demographic characteristic observed (64.1%). The outcome of treatment was assessed for 85 resistant cases with follow-up after completion of treatment. Cure and relapse rates were 97.6%, and 2.4%, respectively. Drug-resistant TB in Qatar is influenced by migration where the patients were probably infected. Rapid sputum sampling performed in the early stages of the disease, patient isolation, and drug-susceptibility testing should be the standard of care.
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Affiliation(s)
- Maisa Ali
- Department of Infectious Disease, Communicable Diseases Centre, Hamad Medical Corporation, Doha, Qatar
| | - Faraj Howady
- Department of Infectious Disease, Communicable Diseases Centre, Hamad Medical Corporation, Doha, Qatar
| | - Waqar Munir
- Department of Infectious Disease, Communicable Diseases Centre, Hamad Medical Corporation, Doha, Qatar
| | - Hanfa Karim
- Department of Infectious Disease, Communicable Diseases Centre, Hamad Medical Corporation, Doha, Qatar
| | - Zubaida Al-Suwaidi
- National Tuberculosis Reference Laboratory, Hamad Medical Corporation, Doha, Qatar
| | - Muna Al-Maslamani
- Department of Infectious Disease, Communicable Diseases Centre, Hamad Medical Corporation, Doha, Qatar
| | - Abdullatif Alkhal
- Department of Infectious Disease, Communicable Diseases Centre, Hamad Medical Corporation, Doha, Qatar
| | - Nada Elmaki
- Department of Infectious Disease, Communicable Diseases Centre, Hamad Medical Corporation, Doha, Qatar
| | - Hisham Ziglam
- Department of Infectious Disease, Communicable Diseases Centre, Hamad Medical Corporation, Doha, Qatar
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Sambas MFMK, Rabbani U, Al-Gethamy MMM, Surbaya SH, Alharbi FFI, Ahmad RGA, Qul HKH, Nassar SMS, Maddah AKMA, Darweesh BAK. Prevalence and Determinants of Multidrug-Resistant Tuberculosis in Makkah, Saudi Arabia. Infect Drug Resist 2020; 13:4031-4038. [PMID: 33204120 PMCID: PMC7667158 DOI: 10.2147/idr.s277477] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 10/07/2020] [Indexed: 12/25/2022] Open
Abstract
Background and Objectives Tuberculosis (TB) is a global public health issue. The emergence of multidrug-resistant (MDR) TB has further complicated the situation in the form of poor treatment outcomes and costs to individuals and health-care systems. We therefore aimed to measure the prevalence and associated risk factors of MDR TB among TB patients in Makkah city. Patients and Methods This was a cross-sectional study conducted at Al-Noor Specialist Hospital, a public-sector hospital in Makkah. We included records of 158 confirmed TB patients from the list of all patients admitted in the hospital from January 2009 to January 2019 by systematic random sampling. Data were collected on socio-demographics, clinical profile and drug resistance patterns. Analysis was done in SPSS version 21.0. Results The mean age of the participants was 43.4 ± 18.7 years, and two-thirds (66.5%) were male. About 40% of the patients had chronic disease while lung disease other than TB was present in 5% patients. About 13% of cases were extrapulmonary infections. Prevalence of drug resistance was found to be 17.1% among TB patients. Among the resistant cases, streptomycin (25.9%) and isoniazid (11.1%) were the drugs most commonly affected by resistance. Prevalence of MDR TB was 5% among TB patients. Age, smoking, lung disease and previous TB were significant factors associated with MDR TB. Conclusion Prevalence of MDR TB, although comparable to current national estimates, is higher compared to previous reports. There is a need to reduce this burden through strengthening TB control programs to prevent further emergence of a public health threat of MDR TB. History of previous TB was the strongest risk factor in this study. This calls physicians, program managers and policy makers to focus on counselling and support of TB patients for compliance with the regimen to complete treatment without interruption.
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Affiliation(s)
| | - Unaib Rabbani
- Family Medicine Academy, Qassim Health Cluster, Buraidah, Saudi Arabia
| | | | - Saud Hasan Surbaya
- Training, Education and Research Department, Makkah Public Health, Ministry of Health, Makkah, Saudi Arabia
| | | | | | - Hamzah Khalid Hamzah Qul
- Endocrinology Unit, Department of Internal Medicine, King Abdulaziz Hospital, Makkah, Saudi Arabia
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McQuaid CF, Horton KC, Dean AS, Knight GM, White RG. The risk of multidrug- or rifampicin-resistance in males versus females with tuberculosis. Eur Respir J 2020; 56:13993003.00626-2020. [PMID: 32430421 DOI: 10.1183/13993003.00626-2020] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 05/07/2020] [Indexed: 01/10/2023]
Abstract
Males are at an increased risk of tuberculosis (TB) disease compared to females. Additionally, several risk factors for multidrug-resistant (MDR) or rifampicin-resistant (RR) TB disease are more common in males, hence male TB patients may have a higher relative risk of MDR/RR-TB than female TB patients.We used sex-disaggregated data of TB patients reported to the World Health Organization for 106 countries to calculate male-to-female (M:F) risk ratios of having MDR/RR-TB.There was no evidence of either sex being more at risk of MDR/RR-TB in 81% (86 out of 106) of countries, with an overall random-effects weighted M:F risk ratio of 1.04 (95% CI 0.97-1.11). In 12% (13 out of 106) of countries there was evidence that males were more at risk, while in 7% (seven out of 106), females were more at risk. The risk of having TB that was MDR/RR increased for males compared to females as MDR/RR-TB incidence increased, and was higher for males than females in the former Soviet Union, where the risk ratio was 1.16 (1.06-1.28). Conversely, the risk increased for females compared to males as gross domestic product purchase power parity increased, and was higher for females than males in countries where the majority of TB burden was found in the foreign-born population, where the risk ratio was 0.84 (0.75-0.94).In general, the risk of MDR/RR-TB, among those with TB, is the same for males as for females. However, males in higher MDR/RR-TB burden countries, particularly the former Soviet Union, face an increased risk that their infection is MDR/RR-TB, highlighting the need for a sex-differentiated approach to TB case-finding and care.
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Affiliation(s)
- C Finn McQuaid
- TB Modelling Group, TB Centre, AMR Centre and Centre for Mathematical Modelling of Infectious Diseases, Dept of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, UK
| | - Katherine C Horton
- TB Modelling Group, TB Centre and Centre for Mathematical Modelling of Infectious Diseases, Dept of Clinical Research, London School of Hygiene and Tropical Medicine, London, UK
| | - Anna S Dean
- Global TB Programme, World Health Organization, Geneva, Switzerland
| | - Gwenan M Knight
- TB Modelling Group, TB Centre, AMR Centre and Centre for Mathematical Modelling of Infectious Diseases, Dept of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, UK
| | - Richard G White
- TB Modelling Group, TB Centre and Centre for Mathematical Modelling of Infectious Diseases, Dept of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, UK
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50
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Pokam BDT, Yeboah-Manu D, Lawson L, Guemdjom PW, Okonu R, Madukaji L, Yhiler NY, Asuquo AE. Molecular Analysis of Mycobacterium tuberculosis Isolated in the North Central Zone of Nigeria. J Epidemiol Glob Health 2020; 9:259-265. [PMID: 31854167 PMCID: PMC7310797 DOI: 10.2991/jegh.k.191015.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Accepted: 10/05/2019] [Indexed: 11/10/2022] Open
Abstract
Tuberculosis (TB) incidence in Nigeria is high, with a significant burden of TB/Human Immunodeficiency Virus (HIV). Genotyping and drug susceptibility of Mycobacterium tuberculosis Complex (MTBC) are important in order to improve the control of the disease. This study sought to determine drug susceptibility and genetic diversity of MTBC in the country. The sputum samples of 202 patients [133 (65.8%) males/69 (34.2%) females] were collected in the North Central zone of Nigeria and cultured using Lowenstein–Jensen medium. Immunochromatography for the primary identification and Drug Susceptibility Testing (DST) by proportion method, as well as IS6110 typing, regions of difference 1, 4, 9, 12, 702, and 711, and spoligotyping were carried out on the isolates. Following the DST on 202 isolates, 51 (25.2%) showed resistance to at least one drug. Multidrug resistance was observed in 29/202 (14.4%) cases. HIV positivity [37/202 (18.3%) patients] was associated with rifampicin 9/37 (24.3%) resistance (p = 0.012) as well as gender (p = 0.009). Of the 202 isolates, 150 (74.3%) were identified as the Cameroon sublineage, followed by the UgandaI, Haarlem, and West Africa 1 with 18 (8.9%), 10 (5%), and 6 (3%), respectively. The LAM10_CAM was the most prevalent genetic family [128/202 (63.4%)], with the shared international type 61 [111 (55%) isolates] the largest cluster. Gender (p = 0.038) and age (p = 0.015) had significant associations with the LAM10_CAM family but neither with HIV (p = 0.479) nor drug resistance. Rifampicin resistance in TB/HIV coinfected patient is a major concern in the study area. The Mycobacterium africanum lineage showed a marked decrease, and the need to educate females most at risk of TB/HIV coinfection is advocated.
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Affiliation(s)
- Benjamin David Thumamo Pokam
- Department of Medical Laboratory Science, Faculty of Health Sciences, University of Buea, Buea, Cameroon.,Bacteriology Department, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Accra, Ghana
| | - Dorothy Yeboah-Manu
- Bacteriology Department, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Accra, Ghana
| | | | - Prisca Wabo Guemdjom
- Department of Public Health, Faculty of Health Sciences, University of Buea, Buea, Cameroon
| | - Ruth Okonu
- Bacteriology Department, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Accra, Ghana
| | | | - Nchawa Yangkam Yhiler
- Department of Medical Laboratory Science, Faculty of Health Sciences, University of Buea, Buea, Cameroon.,Department of Allied Health, Biaka University Institute, Buea, Cameroon
| | - Anne Ebri Asuquo
- Department of Medical Laboratory Science, Faculty of Allied Medical Sciences, College of Medicine, University of Calabar, Calabar, Nigeria
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