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Tiruneh MG, Fenta ET, Anagaw TF, Bogale EK, Delie AM. Tuberculosis infection control practice and associated factors among health care workers in Ethiopia: Systematic review and meta-analysis. PLoS One 2023; 18:e0295555. [PMID: 38085729 PMCID: PMC10715661 DOI: 10.1371/journal.pone.0295555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 11/24/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND The poor practice of tuberculosis infection control may increase the risk of transmission of tuberculosis in healthcare settings. Thus, this study aimed to determine the pooled magnitude of good tuberculosis infection control practice and associated factors among healthcare workers in Ethiopia. METHODS The Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) checklist guideline was followed for this review and meta-analysis. The electronic databases (Pub Med, Cochrane Library, Google scholar and grey literatures) were searched to retrieve articles by using keywords. The Joanna Briggs Institute Meta-Analysis of Statistics Assessment and Review Instrument was used to assess the quality of studies. Heterogeneity was assessed using the I2 statistic. The meta-analysis with a 95% confidence interval using STATA 17 software was computed to present the pooled practice and odds ratio of the determinant factors. Publication bias was assessed visually by inspecting the funnel plot asymmetry and using statistical tests using the eggers and begs test. RESULTS Seven studies were included in this meta-analysis, with a total of 3256 health workers. The overall pooled magnitude of good tuberculosis infection control practice was 46.44% (95% CI: 34.21%, 58.67%). In subgroup analysis, the highest practice was in Addis Ababa 51.40% (95% CI: 47.40, 55.40%) and the lowest prevalence of tuberculosis infection control practice was in Amhara region 40.24% (95% CI: 15.46, 65.02%). Working in TB clinics (AOR; 7.42, 95% CI: 3.89, 14.13) and good TB related knowledge (AOR; 4.40, 95% CI: 1.76, 10.97) were the significant predictors of good TB infection control practice. CONCLUSIONS Only less than half of the health care workers had good practice of TB infection control. Working in TB clinics and having good TB related knowledge were statistically significant predictors of TB infection control practice. Periodic shifting of health care workers to work in TB clinics and an emphasis on TB infection control related skill based training was recommended to increase the TB infection control practice.
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Affiliation(s)
- Misganaw Guadie Tiruneh
- Department of Health Systems and Policy, Institute of Public Health, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Eneyew Talie Fenta
- Department of Public Health, College of Medicine and Health Sciences, Injibara University, Injibara, Ethiopia
| | - Tadele Fentabil Anagaw
- Department of Health Promotion and Behavioral Science, School of Public Health, College of Medicine and Health Sciences, Bahir Dar University, Bahir Dar, Ethiopia
| | - Eyob Ketema Bogale
- Department of Health Promotion and Behavioral Science, School of Public Health, College of Medicine and Health Sciences, Bahir Dar University, Bahir Dar, Ethiopia
| | - Amare Mebrat Delie
- Department of Public Health, College of Medicine and Health Sciences, Injibara University, Injibara, Ethiopia
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Tiruneh MG, Anagaw TF, Fenta ET. Tuberculosis infection control practice among healthcare workers in Ethiopia: a protocol for systematic review and meta-analysis. BMJ Open 2023; 13:e073634. [PMID: 38011970 PMCID: PMC10685950 DOI: 10.1136/bmjopen-2023-073634] [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: 03/11/2023] [Accepted: 11/08/2023] [Indexed: 11/29/2023] Open
Abstract
BACKGROUND Tuberculosis (TB) is a main concern of health care workers in sub-Saharan Africa. Healthcare workers have the potential to have contact with TB patients and are the main stakeholders in healthcare settings to implement TB infection control, and the poor practice of TB infection control may increase the risk of transmission of TB in healthcare settings. However, there is no consistent conclusion on the TB infection control practice among healthcare workers in Ethiopia. Thus, this study aimed to determine the pooled magnitude of TB infection control practice and associated factors among healthcare workers in Ethiopia. METHODS This systematic review and meta-analysis will be done by following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline. The following databases will be used to search for articles: PubMed, Cochrane Library, Google Scholar and grey literatures. The quality of studies will be assessed using the Joanna Briggs Institute (JBI) critical appraisal checklist. The data from included studies will be extracted using Microsoft Excel V.2016, and the extracted data will be analysed using STATA V.16. Forest plot and I2 statistics will be done for heterogeneity. A funnel plot and Egger's regression test will be conducted to check for publication bias. Potential sources of bias will be identified by subgroup analysis and meta-regression. Any type of study design conducted in Ethiopia and in English language will be included. ETHICS AND DISSEMINATION Ethics approval is not required, and the findings will be published in peer-reviewed journal. PROSPERO REGISTRATION NUMBER CRD42023393580.
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Affiliation(s)
- Misganaw Guadie Tiruneh
- Department of Health Systems and Policy, Institute of Public Health, College of Medicine and Health sciences, University of Gondar, Gondar, Ethiopia
| | - Tadele Fentabil Anagaw
- Health Promotion and Behavioral Science, College of Medical and Health Sciences, Bahir Dar university, Bahir Dar, Ethiopia
| | - Eneyew Talie Fenta
- Department of Public Health, College of Medicine and Health Sciences, Injibara University, Injibara, Ethiopia
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Shah H, Patel J, Yasobant S, Saxena D, Saha S, Sinha A, Bhavsar P, Patel Y, Modi B, Nimavat P, Kapadiya D, Fancy M. Capacity Building, Knowledge Enhancement, and Consultative Processes for Development of a Digital Tool (Ni-kshay SETU) to Support the Management of Patients with Tuberculosis: Exploratory Qualitative Study. J Med Internet Res 2023; 25:e45400. [PMID: 37335610 DOI: 10.2196/45400] [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: 12/30/2022] [Revised: 04/03/2023] [Accepted: 04/28/2023] [Indexed: 06/21/2023] Open
Abstract
BACKGROUND Achieving the target for eliminating tuberculosis (TB) in India by 2025, 5 years ahead of the global target, critically depends on strengthening the capacity of human resources as one of the key components of the health system. Due to the rapid updates of standards and protocols, the human resources for TB health care suffer from a lack of understanding of recent updates and acquiring necessary knowledge. OBJECTIVE Despite an increasing focus on the digital revolution in health care, there is no such platform available to deliver the key updates in national TB control programs with easy access. Thus, the aim of this study was to explore the development and evolution of a mobile health tool for capacity building of the Indian health system's workforce to better manage patients with TB. METHODS This study involved two phases. The first phase was based on a qualitative investigation, including personal interviews to understand the basic requirements of staff working in the management of patients with TB, followed by participatory consultative meetings with stakeholders to validate and develop the content for the mobile health app. Qualitative information was collected from the Purbi Singhbhum and Ranchi districts of Jharkhand and Gandhinagar, and from the Surat districts of Gujarat State. In the second phase, a participatory design process was undertaken as part of the content creation and validation exercises. RESULTS The first phase collected information from 126 health care staff, with a mean age of 38.4 (SD 8.9) years and average work experience of 8.9 years. The assessment revealed that more than two-thirds of participants needed further training and lacked knowledge of the most current updates to TB program guidelines. The consultative process determined the need for a digital solution in easily accessible formats and ready reckoner content to deliver practical solutions to address operational issues for implementation of the program. Ultimately, the digital platform named Ni-kshay SETU (Support to End Tuberculosis) was developed to support the knowledge enhancement of health care workers. CONCLUSIONS The development of staff capacity is vital to the success or failure of any program or intervention. Having up-to-date information provides confidence to health care staff when interacting with patients in the community and aids in making quick judgments when handling case scenarios. Ni-kshay SETU represents a novel digital capacity-building platform for enhancing human resource skills in achieving the goal of TB elimination.
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Affiliation(s)
- Harsh Shah
- Department of Public Health Science, Indian Institute of Public Health Gandhinagar, Gandhinagar, India
| | - Jay Patel
- Department of Public Health Science, Indian Institute of Public Health Gandhinagar, Gandhinagar, India
| | - Sandul Yasobant
- Department of Public Health Science, Indian Institute of Public Health Gandhinagar, Gandhinagar, India
- School of Epidemiology and Public Health, Jawaharlal Nehru Medical College, Datta Meghe Institute of Medical Sciences, Wardha, India
| | - Deepak Saxena
- Department of Public Health Science, Indian Institute of Public Health Gandhinagar, Gandhinagar, India
- School of Epidemiology and Public Health, Jawaharlal Nehru Medical College, Datta Meghe Institute of Medical Sciences, Wardha, India
| | - Somen Saha
- Department of Public Health Science, Indian Institute of Public Health Gandhinagar, Gandhinagar, India
- School of Epidemiology and Public Health, Jawaharlal Nehru Medical College, Datta Meghe Institute of Medical Sciences, Wardha, India
| | - Anish Sinha
- Department of Public Health Science, Indian Institute of Public Health Gandhinagar, Gandhinagar, India
| | - Priya Bhavsar
- Department of Public Health Science, Indian Institute of Public Health Gandhinagar, Gandhinagar, India
| | - Yogesh Patel
- Department of Tuberculosis Project, World Health Partners, Noida, India
| | - Bhavesh Modi
- Department of Community & Family Medicine, All-India Institute of Medical Sciences, Rajkot, Gujarat, India
| | - Pankaj Nimavat
- State Training and Demonstration Center, State Tuberculosis Cell, Department of Health and Family Welfare, Government of Gujarat, Ahmedabad, India
| | - Dixit Kapadiya
- State Training and Demonstration Center, State Tuberculosis Cell, Department of Health and Family Welfare, Government of Gujarat, Ahmedabad, India
| | - Manish Fancy
- Office of Regional Deputy Director, Department of Health and Family Welfare, Government of Gujarat, Bhavnagar, India
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Oyefabi AM, Tobin West CI, Ameh S, Jiya EN, Sadiq A, Dauda H, Onoh M. Predictors of mortality among drug-resistant tuberculosis patients in Kaduna State, Nigeria. Niger J Clin Pract 2023; 26:825-831. [PMID: 37470659 DOI: 10.4103/njcp.njcp_734_22] [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] [Indexed: 07/21/2023]
Abstract
Background Specific death due to DR-TB has significantly contributed to tuberculosis (TB) mortality and overall global deaths. Aim This study examines the predictors of mortality among DR-TB patients in Kaduna State, Nigeria. Subject and Method This was a retrospective longitudinal study of DR-TB mortality carried out among 370 DR-TB patients from the 23 LGAs in Kaduna State. It involves a retrospective review of the MDR-TB records of the patients over a period of 10 years (2012-2021). Demographic and clinical data of all DR-TB patients enrolled in Kaduna State, Nigeria, between April 1, 2012, and March 31, 2021, were used. Survival analysis was performed with SPSS version 25, using Kaplan-Meier and Cox proportional hazard regression modeling, at 5% significance level. Results The majority of the patients, 255 (68.9%), were below the age of 40 years, while 53 (14.3%) of the patients died within the study period. Most deaths 26 (49.1%) were associated with HIV co-infection and the disease severity. Results for the Cox proportional model show that there was a significantly lower risk of death when a patient had MDR-TB compared to pre-XDR-TB (adjusted hazard ratio, AHR = 0.34, 95% CI = 0.16-0.72, P = 0.04). Both models show that age, sex, residence, or year of treatment had no significant association with survival or death. Conclusion HIV co-infection and DRTB with progression to more resistant and difficult-to-treat strains contributed to higher deaths. There is a need for concerted efforts from all DR-TB stakeholders to control the disease.
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Affiliation(s)
- A M Oyefabi
- Department of Community Medicine, College of Medicine, Zaria, Nigeria
| | - C I Tobin West
- College of Health Sciences and School of Public Health, University of Port Harcourt, Minna, Nigeria
| | - S Ameh
- Department of Community Medicine, University of Calabar, Cross River State, Minna, Nigeria
| | - E N Jiya
- National Tuberculosis and Leprosy Training Centre, Zaria, Nigeria
| | - A Sadiq
- Tuberculosis Unit, Kaduna State Ministry of Health, Kaduna State, Nigeria
| | - H Dauda
- World Health Organization, Niger State Field Office, Minna, Nigeria
| | - M Onoh
- Communicable and Non Communicable Diseases Cluster, World Health Organization, Nigeria
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Baruch Baluku J, Katusabe S, Mutesi C, Bongomin F. Roles and challenges of nurses in tuberculosis care in Africa: A narrative review. J Clin Tuberc Other Mycobact Dis 2023; 31:100366. [PMID: 37077197 PMCID: PMC10106901 DOI: 10.1016/j.jctube.2023.100366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023] Open
Abstract
Nurses form the bulk of the health care workforce in Africa although their roles and challenges in tuberculosis (TB) care are not well documented. In this article we discuss roles and challenges of nurses in TB care in Africa. Nurses in Africa are key in TB prevention, diagnosis, treatment initiation, treatment monitoring, and evaluation and documentation of TB treatment outcomes. However, there is little involvement of nurses in TB-related research and policy. Challenges faced by nurses in TB care mostly relate to poor working conditions that compromise their occupational safety and mental health. There is need to expand nursing school curricula on TB to equip nurses with broad skills required for the wide repertoire of roles. Nurses should be equipped with research skills and funding opportunities for nurse-led TB research projects should be easily accessible. Occupational safety of nurses through infrastructural modification of TB units, provision of personal protective equipment and ensuring access to compensation in case a nurse develops active TB is important. Nurses also need psychosocial support given the complexity of caring for people with TB.
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Affiliation(s)
- Joseph Baruch Baluku
- Kiruddu National Referral Hospital, Kampala, Uganda
- Makerere University Lung Institute, Kampala, Uganda
- Corresponding author at: PO Box 26343, Kampala, Uganda.
| | | | | | - Felix Bongomin
- Department of Medical Microbiology & Immunology, Faculty of Medicine, Gulu University, Gulu, Uganda
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Zhou J, Chen S. Knowledge, Attitudes, and Practices of NICU Doctors and Nurses Toward Prevention and Control of Nosocomial Infection With Multidrug Resistant Organism. Front Pediatr 2022; 10:817030. [PMID: 35515349 PMCID: PMC9062780 DOI: 10.3389/fped.2022.817030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 03/08/2022] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Nosocomial infection with multidrug resistant organisms (MDRO) can directly influence the curative effect and the prognosis of neonates, bringing great difficulties to clinical treatment. As direct contacts of neonates, the knowledge, attitudes, and practices (KAP) of doctors and nurses are critical for the prevention and control of MDRO infection in neonatal intensive care units (NICUs). PURPOSE This study describes the KAP of doctors and nurses in NICUs toward the prevention and control of nosocomial infection with MDRO and analyzes its influencing factors. METHODS This cross-sectional study used convenience sampling to survey 397 doctors and nurses from the NICU of 28 hospitals in 11 cities in Zhejiang Province, China. A univariate analysis and a multiple linear regression were used to analyze the data. RESULTS The median scoring rate (interquartile range) of the knowledge, attitude, and practice questionnaire was 0.86 (0.82-0.91), 0.98 (0.91-1.00), and 0.995 (0.97-1.00), respectively. However, the median scoring rate regarding "basic knowledge of MDRO" and "special prevention and control measures" was 0.50 in knowledge. The multiple linear regression showed that the influencing factors of KAP were hospital grade, professional title, gender, regular supervision, and training. CONCLUSIONS There was still room for improvement in the KAP of NICU doctors and nurses, especially regarding the knowledge. Men, doctors and nurses in Grade II hospitals, and doctors and nurses with primary professional titles had worse KAP. Training and supervision helped improve the KAP. RELEVANCE TO CLINICAL PRACTICE To improve the KAP of doctors and nurses to enhance the prevention and control effect for the MDRO infection in NICUs, hospitals and departments should carry out targeted training and strengthen supervision, while Grade II hospitals, men, and doctors and nurses with primary professional titles need more attention.
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Affiliation(s)
- Jinyan Zhou
- Administration Department of Nosocomial Infection, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Shuohui Chen
- Administration Department of Nosocomial Infection, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
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Medicine Dose Adjustment Practice and Associated Factors among Renally Impaired Patients in Amhara Regional State, Ethiopia. Int J Nephrol 2021; 2021:8238250. [PMID: 34900352 PMCID: PMC8654552 DOI: 10.1155/2021/8238250] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 11/20/2021] [Indexed: 11/18/2022] Open
Abstract
Background Kidney disease affects absorption, distribution, metabolism, and excretion of medicines and their metabolites. Therefore, when prescribing medicines for patients with kidney disease, dose adjustment is an accepted standard of practice. Objective This study aimed to assess medicine dose adjustment practice and associated factors among adult patients with renal impairment admitted to medical wards at Amhara region referral hospitals. Method Multicenter, institution-based, cross-sectional study was conducted from March 28, 2020, to August 30, 2020. The data was collected by using a pretested interviewer-administered structured questionnaire. Data were entered into Epi-Data version 4.6 and transferred into SPSS version 25 for further data processing and analysis. Descriptive statistics such as frequencies and percentages were computed. Both bivariable and multivariable binary logistic regression analyses were fitted to identify factors associated with dose adjustment practice. A 95% confidence interval and a p value less than 0.05 were used to declare statistical significance. Result Among 815 medicines' prescriptions that needed dose adjustment, 417 (51.2%) of them were dosed inappropriately. Number of medicines, number of comorbidities, and being unemployed were significantly associated with inappropriate dose adjustment. Conclusion Our study revealed that there was a considerable rate of inappropriate dose adjustment in patients with renal impairment. Training for health care providers, use of guidelines, and communication with clinical pharmacists should be encouraged for good prescription practice.
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Mussie KM, Gradmann C, Yimer SA, Manyazewal T. Pragmatic Management of Drug-Resistant Tuberculosis: A Qualitative Analysis of Human Resource Constraints in a Resource-Limited Country context-Ethiopia. Int J Public Health 2021; 66:633917. [PMID: 34434083 PMCID: PMC8380763 DOI: 10.3389/ijph.2021.633917] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 07/16/2021] [Indexed: 11/16/2022] Open
Abstract
Objectives: Existing evidence suggests that drug-resistant tuberculosis (DR-TB) remains a huge public health threat in high-burden TB countries such as Ethiopia. The purpose of this qualitative study was to explore the challenges of healthcare workers (HCWs) involved in providing DR-TB care in Addis Ababa, Ethiopia. Methods: We conducted in-depth interviews with 18 HCWs purposively selected from 10 healthcare facilities in Addis Ababa, Ethiopia. We then transcribed the audiotaped interviews, and thematically analysed the transcripts using Braun and Clark’s reflexive thematic analysis framework. Results: We identified five major themes: 1) inadequate training and provision of information on DR-TB to HCWs assigned to work in DR-TB services, 2) fear of DR-TB infection, 3) risk of contracting DR-TB, 4) a heavy workload, and 5) resource limitations. Conclusion: Our findings highlight major human resource constraints that current DR-TB care policies need to foresee and accommodate. New evidence and best practices on what works in DR-TB care in such resource-limited countries are needed in order to address implementation gaps and to meet global TB strategies.
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Affiliation(s)
- Kirubel Manyazewal Mussie
- Institute of Health and Society, University of Oslo, Oslo, Norway.,Institute for Biomedical Ethics, University of Basel, Basel, Switzerland
| | | | - Solomon Abebe Yimer
- Department of Microbiology, Unit for Genome Dynamics, University of Oslo, Oslo, Norway.,Coalition for Epidemic Preparedness Innovations, Oslo, Norway
| | - Tsegahun Manyazewal
- Centre for Innovative Drug Development and Therapeutic Trials for Africa (CDT-Africa), College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
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Labena F, Kassa Y, Gambura E. Tuberculosis and Public Health Care Workers: Infection Prevention and Control Practices and Associated Factors Among Governmental Health Centers and Hospitals in Wolaita Zone, Southern Ethiopia. J Multidiscip Healthc 2021; 14:2111-2122. [PMID: 34408426 PMCID: PMC8364355 DOI: 10.2147/jmdh.s321592] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 07/21/2021] [Indexed: 11/23/2022] Open
Abstract
Purpose Institutional settings, including health care facilities, have been identified to be at high risk of tuberculosis (TB) transmissions. But no study has been conducted in hospitals and health centers concurrently in Wolaita Zone, Southern Ethiopia. Therefore, the aim of this study was to assess tuberculosis infection prevention and control (TBIPC) practices and associated factors among public health care workers in Wolaita Zone, Southern Ethiopia. Material and Methods A facility-based cross-sectional quantitative study supplemented with qualitative interview and observation was conducted in 16 sampled governmental health facilities in Wolaita Zone, Southern Ethiopia, from 25 July 2020 to 25 August 2020. A multistage sampling technique was used to select 748 health care workers, while purposive sampling was used to identify participants for the qualitative study. Results The proportion of proper TBIPC practices was 44.78%. Years of service (AOR=4.182, 95% CI: 2.024–8.639), working in a TB clinic (AOR=4.009, 95% CI: 1.311–12.261), working in an anti-retroviral therapy clinic (AOR=2.796, 95% CI: 1.009–7.743), TB-related training (AOR=0.024, 95% CI: 11.483–34.92), availability of personal protective equipment (AOR=1.712, 95% CI: 1.057–2.776), good knowledge of TBIPC measures (AOR=2.66, 95% CI: 1.119–4.196), and positive attitude (AOR=2.011, 95% CI: 1.242–3.255) were significantly associated with proper TBIPC practices. Conclusion and Recommendation The proportion of proper TBIPC practices among public health care workers was low in the study area. For better intervention, further studies could focus on experimental research into possible factors that are responsible for TBIPC practices in health care facilities in the study area.
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Affiliation(s)
- Fikru Labena
- Sodo Health Center, Wolaita Zone Health Department, Sodo, Ethiopia
| | - Yibeltal Kassa
- School of Public Health, Wolaita Sodo University, Wolaita Sodo, Ethiopia
| | - Eyasu Gambura
- School of Public Health, Wolaita Sodo University, Wolaita Sodo, Ethiopia
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Baluku JB, Katuramu R, Naloka J, Kizito E, Nabwana M, Bongomin F. Multidisciplinary management of difficult-to-treat drug resistant tuberculosis: a review of cases presented to the national consilium in Uganda. BMC Pulm Med 2021; 21:220. [PMID: 34246234 PMCID: PMC8272325 DOI: 10.1186/s12890-021-01597-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 06/03/2021] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Patients with drug resistant tuberculosis (DR-TB) with comorbidities and drug toxicities are difficult to treat. Guidelines recommend such patients to be managed in consultation with a multidisciplinary team of experts (the "TB consilium") to optimise treatment regimens. We describe characteristics and treatment outcomes of DR-TB cases presented to the national DR-TB consilium in Uganda between 2013 and 2019. METHODS We performed a secondary analysis of data from a nation-wide retrospective cohort of DR-TB patients with poor prognostic indicators in Uganda. Patients had a treatment outcome documented between 2013 and 2019. Characteristics and treatment outcomes were compared between cases reviewed by the consilium with those that were not reviewed. RESULTS Of 1,122 DR-TB cases, 189 (16.8%) cases from 16 treatment sites were reviewed by the consilium, of whom 86 (45.5%) were reviewed more than once. The most frequent inquiries (N = 308) from DR-TB treatment sites were construction of a treatment regimen (38.6%) and management of side effects (24.0%) while the most frequent consilium recommendations (N = 408) were a DR-TB regimen (21.7%) and "observation while on current regimen" (16.6%). Among the cases reviewed, 152 (80.4%) were from facilities other than the national referral hospital, 113 (61.1%) were aged ≥ 35 years, 72 (40.9%) were unemployed, and 26 (31.0%) had defaulted antiretroviral therapy. Additionally, 141 (90.4%) had hepatic injury, 55 (91.7%) had bilateral hearing loss, 20 (4.8%) had psychiatric symptoms and 14 (17.7%) had abnormal baseline systolic blood pressure. Resistance to second-line drugs (SLDs) was observed among 9 (4.8%) cases while 13 (6.9%) cases had previous exposure to SLDs. Bedaquiline (13.2%, n = 25), clofazimine (28.6%, n = 54), high-dose isoniazid (22.8%, n = 43) and linezolid (6.7%, n = 13) were more frequently prescribed among cases reviewed by the consilium than those not reviewed. Treatment success was observed among 126 (66.7%) cases reviewed. CONCLUSION Cases reviewed by the consilium had several comorbidities, drug toxicities and a low treatment success rate. Consilia are important "gatekeepers" for new and repurposed drugs. There is need to build capacity of lower health facilities to construct DR-TB regimens and manage adverse effects.
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Affiliation(s)
- Joseph Baruch Baluku
- Division of Pulmonology, Kiruddu National Referral Hospital, Kampala, Uganda.
- Makerere University Lung Institute, Kampala, Uganda.
| | | | | | - Enock Kizito
- USAID/Defeat TB, University Research Co LLC, Kampala, Uganda
| | - Martin Nabwana
- Makerere University - Johns Hopkins University Research Collaboration, Kampala, Uganda
| | - Felix Bongomin
- Department of Medical Microbiology and Immunology, Faculty of Medicine, Gulu University, Gulu, Uganda
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Alene KA, Xu Z, Bai L, Yi H, Tan Y, Gray D, Viney K, Clements AC. Spatial clustering of drug-resistant tuberculosis in Hunan province, China: an ecological study. BMJ Open 2021; 11:e043685. [PMID: 33795303 PMCID: PMC8021748 DOI: 10.1136/bmjopen-2020-043685] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
OBJECTIVE This study aimed to investigate the spatial distribution of drug-resistant tuberculosis (DR-TB) in Hunan province, China. METHODS An ecological study was conducted using DR-TB data collected from the Tuberculosis Control Institute of Hunan Province between 2012 and 2018. Spatial clustering of DR-TB was explored using the Getis-Ord statistic. A Poisson regression model was fitted with a conditional autoregressive prior structure, and with posterior parameters estimated using a Bayesian Markov chain Monte Carlo simulation, to quantify associations with possible risk factors and identify clusters of high DR-TB risk. RESULTS A total of 2649 DR-TB patients were reported to Hunan TB Control Institute between 2012 and 2018. The majority of the patients were male (74.8%, n=1983) and had a history of TB treatment (88.53%, n=2345). The proportion of extensively DR-TB among all DR-TB was 3.3% (95% CI 2.7% to 4.1%), which increased from 2.8% in 2012 to 4.4% in 2018. Of 1287 DR-TB patients with registered treatment outcomes, 434 (33.8%) were cured, 198 (15.3%) completed treatment, 92 (7.1%) died, 108 (8.3%) had treatment failure and 455 (35.3%) were lost to follow-up. Half (50.9%, n=655) had poor treatment outcomes. The annual cumulative incidence rate of notified DR-TB increased over time from 0.25 per 100 000 people in 2012 to 0.83 per 100 000 people in 2018. Substantial spatial heterogeneity was observed, and hotspots were detected in counties located in the North and East parts of Hunan province. The cumulative incidence of notified DR-TB was significantly associated with urban communities. CONCLUSION The annual incidence of notified DR-TB increased over time in Hunan province. Spatial clustering of DR-TB was detected and significantly associated with urbanisation. This finding suggests that targeting interventions to the highest risk areas and population groups would be effective in reducing the burden and ongoing transmission of DR-TB.
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Affiliation(s)
- Kefyalew Addis Alene
- Faculty of Health Sciences, Curtin University, Bentley, Western Australia, Australia
- Telethon Kids Institute, Nedlands, Western Australia, Australia
| | - Zuhui Xu
- Department of Tuberculosis Control, Tuberculosis Control Institute of Hunan Province, Changsha, Hunan, China
| | - Liqiong Bai
- Department of Director's Office, Hunan Tuberculosis Control Institute, Changsha, Hunan, China
| | - Hengzhong Yi
- Department of MDR-TB, Internal Medicine, Hunan Chest Hospital, Changsha, China
| | - Yunhong Tan
- Department of MDR-TB, Internal Medicine, Hunan Chest Hospital, Changsha, China
| | - Darren Gray
- Research School of Population Health, Australian National University, Canberra, ACT, Australia
| | - Kerri Viney
- Research School of Population Health, Australian National University, Canberra, ACT, Australia
- Public Health Sciences, Karolinska Institute, Stockholm, Sweden
- School of Public Health, The University of Sydney, Sydney, New South Wales, Australia
| | - Archie Ca Clements
- Faculty of Health Sciences, Curtin University, Bentley, Western Australia, Australia
- Telethon Kids Institute, Nedlands, Western Australia, Australia
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Knowledge, Attitude, and Practices on Drug-Resistant Tuberculosis Infection Control in Nepal: A Cross-Sectional Study. Tuberc Res Treat 2021; 2021:6615180. [PMID: 33747563 PMCID: PMC7943263 DOI: 10.1155/2021/6615180] [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: 10/28/2020] [Revised: 02/08/2021] [Accepted: 02/15/2021] [Indexed: 11/22/2022] Open
Abstract
Drug-resistant tuberculosis (DR-TB) transmission is an important problem, particularly in low-income settings. This study is aimed at assessing the knowledge, attitude, and practices of DR-TB infection control among the healthcare workers under the National Tuberculosis Control Program in Nepal. In this cross-sectional study, we studied the healthcare workers from all the 11 functioning DR-TB treatment centers across Nepal in March 2018. Through face-to-face interviews, trained data collectors collected data on the characteristics of healthcare workers, their self-reported knowledge, attitude, and practice on DR-TB infection control. We entered the data in Microsoft Excel and analyzed in the R statistical software. We assigned a score of one to the correct response and zero to the incorrect or no response and calculated a composite score in each of the knowledge, attitude, and practice domains. We ascertained the healthcare workers as having good knowledge, appropriate attitude, and optimal practices when the composite score was ≥50%. We summarized the numerical variables with median (interquartile range (IQR)) and the categorical variables with proportions. We ran appropriate correlation tests to identify relationships between knowledge, attitude, and practice scores. We regarded a p value of <0.05 as significant. A total of 95 out of 102 healthcare workers responded. There were 46 male respondents. The median age was 33 years (IQR 26-42). Most of them (53, 55.79%) were midlevel paramedics. We found 91 (95.79%) respondents had good knowledge, 49 (51.58%) had an appropriate attitude, and 35 (36.84%) had optimal practices on DR-TB infection control. We found a statistically significant positive correlation between attitude and practice scores (ρ = 0.37, p ≤ 0.001). The healthcare workers at the DR-TB treatment centers in Nepal have good knowledge of DR-TB infection control, but it did not translate into an appropriate attitude or optimal practices.
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Wondimu W, Yosef T, Gebremedhin T, Muze M. Service years of health professionals are associated with tuberculosis infection control practice in Ethiopian Teaching Hospital. Pan Afr Med J 2021; 38:253. [PMID: 34104301 PMCID: PMC8164419 DOI: 10.11604/pamj.2021.38.253.23044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 01/31/2021] [Indexed: 11/14/2022] Open
Abstract
Introduction proper tuberculosis (TB) infection control (TBIC) practice of health professionals is one of the effective TB prevention approaches. Despite this reality, the TBIC practice of health care workers was not been well studied. This study assessed the TBIC practice of health professionals and associated factors in Mizan Tepi University Teaching Hospital, southwest Ethiopia. Methods an institution based quantitative cross-sectional study was conducted from September 1 to 30, 2019, by including all health professionals in the hospital. Participants who answered at least 50% of TBIC practice questions correctly were categorized as having good TBIC practice. Binary logistic regression was used to identify factors associated with the practice of the participants. The odds ratio with a 95% confidence interval and p-value was used to measure the strength of association; the significant association was declared at a p-value less than 0.05. Results the study found that 64.1% (95% CI: 56.6%, 70.7%) of the participants had good TBIC practice. More than half, 102(51.5 %) of study participants have service years of greater than or equal to five years. Only the service year of health professionals was significantly associated [95%CI (AOR= 2.43; 95%CI: 1.28, 4.6)] with the respondents´ TBIC practice. Conclusion only less than two-third of health professionals had good TBIC practice which is inadequate. And also experienced staff had significantly better TBIC practice. As a result, health professionals in MTUTH should be supported to practice TBIC as routine activity and opportunities should be made for senior staffs to share their TBIC experiences with others.
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Affiliation(s)
- Wondimagegn Wondimu
- Mizan-Tepi University, College of Medicine and Health Sciences, School of Public Health, Department of Epidemiology and Biostatistics, Mizan Aman, Ethiopia
| | - Tewodros Yosef
- Mizan-Tepi University, College of Medicine and Health Sciences, School of Public Health, Department of Epidemiology and Biostatistics, Mizan Aman, Ethiopia
| | - Tadesse Gebremedhin
- Jimma University, Faculty of Public Health, Department of Epidemiology, Jimma, Ethiopia
| | - Mohammed Muze
- Bench Sheko Zone Health Department, Mizan Aman, Ethiopia
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Tadesse AW, Alagaw A, Kassa M, Bekele M. Tuberculosis infection control practices and associated factors among healthcare workers in hospitals of Gamo Gofa Zone, Southern Ethiopia, institution-based cross-sectional study. PLoS One 2020; 15:e0239159. [PMID: 32956378 PMCID: PMC7505450 DOI: 10.1371/journal.pone.0239159] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 08/31/2020] [Indexed: 11/18/2022] Open
Abstract
Background Tuberculosis infection control is a combination of measures designed to minimize the risk of tuberculosis transmission within populations. Healthcare workers are not sufficiently protected from tuberculosis infection in healthcare facilities where infection control protocols are not followed completely. Studies conducted in Ethiopia about tuberculosis infection control practices were self-report. Objective To assess tuberculosis infection control practices and associated factors among health care workers in hospitals of Gamo Gofa Zone, Southern Ethiopia. Method A facility-based cross-sectional study was conducted from March 6 to April 2, 2019. The sample size was 422. The sample was proportionally allocated to each hospital and the respective discipline. Simple random sampling was used to select participants from each discipline. Data were entered into EpiData version 4.4.2.1 and analyzed using SPSS Version 21 software. Multicollinearity and Model goodness-of-fit was checked. A multivariate logistic regression model at 95% CI was used to identify the predictors. Result The response rate was 97.4%. The proportion of good tuberculosis infection control practice was 39.9% [95% CI (35.5, 44.9)]. Knowledge on tuberculosis infection control measures [AOR = 3.65, 95% CI (2.07, 6.43)], educational level of degree and above [AOR = 2.78, 95% CI (1.7, 4.53)] and ever having tuberculosis-related training [AOR = 2.02, 95% CI (1.24, 3.31)] were significantly associated with good tuberculosis infection control practice. Conclusion and recommendation The proportion of good tuberculosis infection control practice among healthcare workers in hospitals of the Gamo Gofa Zone was 39.9%. The good practice of tuberculosis infection control was determined by educational level, working department, knowledge on tuberculosis infection control measures, and having tuberculosis-related training. Hence, training of healthcare workers, targeting diploma-holders in upgrading educational level programs, developing knowledge on tuberculosis infection control measures, and qualitative research to explore reasons for not practicing infection control measures is recommended.
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Affiliation(s)
- Addisu Walelign Tadesse
- Department of Public Health, College of Medicine and Health Science, Selale University, Fiche, Ethiopia
- * E-mail:
| | - Amisalu Alagaw
- Department of Public Health, College of Medicine and Health Science, Arba Minch University, Arba Minch, Ethiopia
| | - Mekidim Kassa
- Department of Public Health, College of Medicine and Health Science, Arba Minch University, Arba Minch, Ethiopia
| | - Muluken Bekele
- Department of Public Health, College of Medicine and Health Science, Arba Minch University, Arba Minch, Ethiopia
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Lima IB, Nogueira LMV, Guimarães RJDPSE, Rodrigues ILA, André SR, Abreu PDD, Corrêa PKV. Spatial patterns of multidrug-resistant tuberculosis: correlation with sociodemographic variables and type of notification. Rev Bras Enferm 2020; 73:e20190845. [DOI: 10.1590/0034-7167-2019-0845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 06/10/2020] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT Objective: Correlate the cases of multidrug-resistant tuberculosis and its spatial patterns with the type of notification and sociodemographic variables. Method: Ecological study carried out in the municipality of Belém, with 77 cases of multidrug-resistant tuberculosis registered in the Special Treatment Information System for Tuberculosis, between 2012 and 2016. For analysis, the data was debugged followed by geo-referencing in ArcGis 10.3 and Terra View 4.2.2. To relate the cases with the type of notification, the BioEstat 5.4 software was used, with a significance level of 95%. Results: Of the total, 40 (52%) were new cases; 27 (35%), relapses; and ten (13%) were re-enrolled after leaving. Multidrug-resistant tuberculosis was randomly distributed and related to income, household, territorial cluster and water supply. There was a concentration of cases in two administrative districts, corresponding to 28.5% and 27.3% of the total, with a median Sociodemographic Index. Conclusion: Behavior of multidrug-resistant tuberculosis influenced by sociodemographic indicators.
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Knowledge, attitude, and practice of healthcare professionals regarding infection prevention at Gondar University referral hospital, northwest Ethiopia: a cross-sectional study. BMC Res Notes 2019; 12:563. [PMID: 31500659 PMCID: PMC6734428 DOI: 10.1186/s13104-019-4605-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 09/04/2019] [Indexed: 12/20/2022] Open
Abstract
Objectives Workplace health and safety is vital in every organization particularly in the healthcare settings. The aim was to assess the levels of knowledge, attitude, and practices of the healthcare professionals towards safety at Gondar University referral hospital. An institution based cross-sectional study was conducted from February to June 2018. Proportional random sampling technique was used to include 282 study participants and data were collected using a structured self-administered questionnaire and analyzed using SPSS version 20. Results Among 282 study participants, 230 (81.6%), 181 (64.2%), and 162 (57.4%) had adequate knowledge, favorable attitude, and adequate practice scores, respectively. More than half (55.3%) of the study participants were untrained. There was a high (26.6%) prevalence of needlestick injury; however, the use of post-exposure prophylaxis after potential exposures was very limited. Generally, the levels of knowledge, attitude, and practice scores among the study participants were low. Therefore, there should be adequate and consistent supply of personal protective devices and other materials used for infection prevention and control. In addition, there should be awareness raising mechanism, including the provision of job aids and periodic training. Further, comprehensive studies should be conducted by including different types and levels of health facilities.
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Alene KA, Clements ACA. Spatial clustering of notified tuberculosis in Ethiopia: A nationwide study. PLoS One 2019; 14:e0221027. [PMID: 31398220 PMCID: PMC6688824 DOI: 10.1371/journal.pone.0221027] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 07/30/2019] [Indexed: 12/20/2022] Open
Abstract
Background Tuberculosis (TB) remains a major health problem worldwide and in Ethiopia. This study aimed to investigate the spatial distributions of notified TB over the whole territory of Ethiopia and to quantify the role of health care access, environmental, socio-demographic, and behavioural factors associated with the clustering of TB. Methods A spatial analysis was conducted using national TB data reported between June 2016 and June 2017 in Ethiopia. Spatial clustering of TB was explored using Moran’s I statistic and the local indicator of spatial autocorrelation (LISA). A multivariate Poisson regression model was developed with a conditional autoregressive (CAR) prior structure and with posterior parameters estimated using Bayesian Markov chain Monte Carlo (MCMC) simulation with Gibbs sampling to investigate the drivers of the clustering. Result A total of 120,149 TB cases were reported from 745 districts in Ethiopia during the study period; 41,343 (34%) were bacteriologically confirmed new pulmonary TB and 33,997 (28%) were clinically diagnosed, new, smear-negative pulmonary TB patients. The nationwide annual incidence rate of notified TB was 112 per 100,000 population. The highest incidence was observed in three city administrative regions, namely Dire Dewa (348 cases per 100,000 population), Addis Ababa (262 per 100,000 population) and Harari (206 per 100,000 population), and the lowest incidence was observed in Somali region (51 per 100,000 population). High-high spatial clustering of notified TB was detected at Humera, Gog, and Surima district, and low-low clustering was detected in some districts located in the Somali region. Poor health care access (IRR = 0.78; 95%CI: 0.66, 0.90) and good knowledge about TB (IRR = 0.84; 95%CI: 0.73, 0.96) were negatively associated with the incidence of notified TB. Conclusion Substantial spatial clustering of notified TB was detected at region, zone and district level in Ethiopia. Health care access and knowledge about TB was associated with incidence of TB. This study may provide policy makers target hotspot areas, where national control programs could be implemented more efficiently for the prevention and control of TB, and to address potential under-reporting in poor access areas.
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Affiliation(s)
- Kefyalew Addis Alene
- Faculty of Health Sciences, Curtin University, Perth, Western Australia, Australia
- Wesfarmers Centre of Vaccines and Infectious Diseases, 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
- Faculty of Health Sciences, Curtin University, Perth, Western Australia, Australia
- Wesfarmers Centre of Vaccines and Infectious Diseases, Telethon Kids Institute, Perth, Western Australia, Australia
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Alene KA, Viney K, Gray DJ, McBryde ES, Wagnew M, Clements ACA. Mapping tuberculosis treatment outcomes in Ethiopia. BMC Infect Dis 2019; 19:474. [PMID: 31138129 PMCID: PMC6540408 DOI: 10.1186/s12879-019-4099-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 05/15/2019] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Tuberculosis (TB) is the leading cause of death from an infectious disease in Ethiopia, killing more than 30 thousand people every year. This study aimed to determine whether the rates of poor TB treatment outcome varied geographically across Ethiopia at district and zone levels and whether such variability was associated with socioeconomic, behavioural, health care access, or climatic conditions. METHODS A geospatial analysis was conducted using national TB data reported to the health management information system (HMIS), for the period 2015-2017. The prevalence of poor TB treatment outcomes was calculated by dividing the sum of treatment failure, death and loss to follow-up by the total number of TB patients. Binomial logistic regression models were computed and a spatial analysis was performed using a Bayesian framework. Estimates of parameters were generated using Markov chain Monte Carlo (MCMC) simulation. Geographic clustering was assessed using the Getis-Ord Gi* statistic, and global and local Moran's I statistics. RESULTS A total of 223,244 TB patients were reported from 722 districts in Ethiopia during the study period. Of these, 63,556 (28.5%) were cured, 139,633 (62.4%) completed treatment, 6716 (3.0%) died, 1459 (0.7%) had treatment failure, and 12,200 (5.5%) were lost to follow-up. The overall prevalence of a poor TB treatment outcome was 9.0% (range, 1-58%). Hot-spots and clustering of poor TB treatment outcomes were detected in districts near the international borders in Afar, Gambelia, and Somali regions and cold spots were detected in Oromia and Amhara regions. Spatial clustering of poor TB treatment outcomes was positively associated with the proportion of the population with low wealth index (OR: 1.01; 95%CI: 1.0, 1.01), the proportion of the population with poor knowledge about TB (OR: 1.02; 95%CI: 1.01, 1.03), and higher annual mean temperature per degree Celsius (OR: 1.15; 95% CI: 1.08, 1.21). CONCLUSIONS This study showed significant spatial variation in poor TB treatment outcomes in Ethiopia that was related to underlying socioeconomic status, knowledge about TB, and climatic conditions. Clinical and public health interventions should be targeted in hot spot areas to reduce poor TB treatment outcomes and to achieve the national End-TB Strategy targets.
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Affiliation(s)
- Kefyalew Addis Alene
- Research School of Population Health, College of Health and Medicine, The Australian National University, Canberra, ACT, Australia. .,Institute of Public Health, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia.
| | - Kerri Viney
- Research School of Population Health, College of Health and Medicine, The Australian National University, Canberra, ACT, Australia.,Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
| | - Darren J Gray
- Research School of Population Health, College of Health and Medicine, The Australian National University, Canberra, ACT, Australia
| | - Emma S McBryde
- Australian Institute of Tropical Health and Medicine, James Cook University, Townsville, Queensland, Australia
| | - Maereg Wagnew
- Ethiopia Federal Ministry of Health, Addis Ababa, Ethiopia
| | - Archie C A Clements
- Faculty of Health Sciences, Curtin University, Perth, Western Australia, Australia
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