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Najafi Ghobadi K, Mahjub H, Poorolajal J, Shakiba E, Khassi K, Roshanaei G. Joint Modeling of Longitudinal Outcome and Competing Risks: Application to HIV/AIDS Data. J Res Health Sci 2023; 23:e00571. [PMID: 37571942 PMCID: PMC10422140 DOI: 10.34172/jrhs.2023.106] [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: 10/08/2022] [Revised: 01/02/2023] [Accepted: 02/12/2023] [Indexed: 08/13/2023] Open
Abstract
BACKGROUND Tuberculosis (TB) and human immunodeficiency virus (HIV) are major public health challenges globally, and the number of TB infections and death caused by HIV are high because of HIV/ TB co-infection. On the other hand, CD4 count plays a significant role in TB/HIV co-infections. We used a joint model of longitudinal outcomes and competing risks to identify the potential risk factors and the effect of CD4 cells on TB infection and death caused by HIV in HIV-infected patients. STUDY DESIGN This was a retrospective cohort study. METHODS The current study was performed on 1436 HIV+patients referred to Behavioral Diseases Counseling Centers in Kermanshah Province during 1998-2019. In this study, joint modeling was used to identify the effect of potential risk factors and CD4 cells on TB and death caused by HIV. RESULTS The results demonstrated that the decreasing CD4 cell count was significantly associated with an increased risk of death, while it had no significant relation with the risk of TB. In addition, patients with TB were at a higher risk of death. Based on the results, a significant relationship was found between CD4 count and sex, marital status, education level, antiretroviral therapy (ART), time, and the interaction between time and ART. Further, people infected with HIV through sexual relationships were at higher risk of TB, while those with a history of imprisonment who received ART or were infected with HIV through drug injection had a lower risk of TB. CONCLUSION The findings revealed that the decreasing CD4 count had a significant association with an increased risk of death caused by HIV. However, it was not significantly related to the risk of TB. Finally, patients with TB were at higher risk of death caused by HIV.
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Affiliation(s)
- Khadijeh Najafi Ghobadi
- Department of Biostatistics, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Hossein Mahjub
- Department of Biostatistics, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
- Research Center for Health Sciences, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Jalal Poorolajal
- Department of Epidemiology, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
- Modeling of Noncommunicable Diseases Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Ebrahim Shakiba
- Behavioral Disease Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Kaivan Khassi
- Department of Health, School of Public Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Ghodratollah Roshanaei
- Department of Biostatistics, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
- Modeling of Noncommunicable Diseases Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
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Treatment Outcomes of Childhood TB Patients in Four TB High Burden States of Malaysia: Results from a Multicenter Retrospective Cohort Study. Antibiotics (Basel) 2022; 11:antibiotics11111639. [DOI: 10.3390/antibiotics11111639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 10/29/2022] [Accepted: 11/08/2022] [Indexed: 11/18/2022] Open
Abstract
Data regarding treatment outcomes among childhood TB patients are lacking in Malaysia. The present study aimed to evaluate the treatment outcomes and predictors of unsuccessful treatment outcomes among childhood TB patients in four TB high-burden states of Malaysia. This was a retrospective cohort study conducted at 13 healthcare centers in four states of Malaysia, namely, Sabah, Sarawak, Selangor, and Penang. During the study period, a total of 8932 TB patients were enrolled for treatment at the study sites, of whom 206 (2.31%) were children. The majority of the childhood TB patients were female (52.9%) and belonged to the age group of 6–10 years (42.7%). Pulmonary TB accounted for 70.9% of childhood TB. Among childhood PTB patients, 50% were sputum smear negative. One hundred and seventy-eight patients (86.4%) were successfully treated (87 were cured and 91 completed treatment). Among 28 (13.6%) patients with unsuccessful treatment outcomes, 13 (6.3%) died, 3 (1.5%) failed treatment, 9 (4.4%) defaulted, and 3 (1.5%) were transferred out. Multivariate analysis revealed that patients’ age (5–14 years) (OR = 0.279, p-value = 0.006) and male gender (OR = 0.390, p-value = 0.046) had a statistically significant negative association with unsuccessful treatment outcomes. The prevalence of childhood TB in the current study was comparable to the recently published national estimates. The study sites reached the WHO target of treatment success. Special attention to patients with identified risk factors can improve treatment outcomes.
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Optimizing HIV prevention and treatment outcomes for persons with substance use in Central Asia: what will it take? Curr Opin HIV AIDS 2020; 14:374-380. [PMID: 31219889 PMCID: PMC6688715 DOI: 10.1097/coh.0000000000000565] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Purpose of review To summarize the status of HIV and substance use in Central Asia and discuss potential ways to move forward to effective epidemic control among people who inject drugs (PWID) in the region and beyond. Recent findings PWID and their partners remain the population most affected by HIV in Central Asia. Lack of effective substance use prevention and treatment options and limited involvement of PWID-led community-based organizations in HIV programs, combined with the requirement for official registration, stigma and discrimination of PWID, and criminalization of drug use remain key barriers to effective HIV prevention and treatment. Summary Sustainable HIV epidemic control among PWID will not be feasible without decriminalization of drug use, addressing stigma and discrimination and policy changes to enhance uptake of HIV-related prevention, treatment and support services by PWID. It is also critical to ensure adoption of innovations, particularly those that combine evidence-based biomedical, behavioral and structural interventions tailored to the needs of the PWID.
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Vasylyeva TI, Smyrnov P, Strathdee S, Friedman SR. Challenges posed by COVID-19 to people who inject drugs and lessons from other outbreaks. J Int AIDS Soc 2020; 23:e25583. [PMID: 32697423 PMCID: PMC7375066 DOI: 10.1002/jia2.25583] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 06/19/2020] [Accepted: 06/26/2020] [Indexed: 11/07/2022] Open
Abstract
INTRODUCTION In light of the COVID-19 pandemic, considerable effort is going into identifying and protecting those at risk. Criminalization, stigmatization and the psychological, physical, behavioural and economic consequences of substance use make people who inject drugs (PWID) extremely vulnerable to many infectious diseases. While relationships between drug use and blood-borne and sexually transmitted infections are well studied, less attention has been paid to other infectious disease outbreaks among PWID. DISCUSSION COVID-19 is likely to disproportionally affect PWID due to a high prevalence of comorbidities that make the disease more severe, unsanitary and overcrowded living conditions, stigmatization, common incarceration, homelessness and difficulties in adhering to quarantine, social distancing or self-isolation mandates. The COVID-19 pandemic also jeopardizes essential for PWID services, such as needle exchange or substitution therapy programmes, which can be affected both in a short- and a long-term perspective. Importantly, there is substantial evidence of other infectious disease outbreaks in PWID that were associated with factors that enable COVID-19 transmission, such as poor hygiene, overcrowded living conditions and communal ways of using drugs. CONCLUSIONS The COVID-19 crisis might increase risks of homelessnes, overdoses and unsafe injecting and sexual practices for PWID. In order to address existing inequalities, consultations with PWID advocacy groups are vital when designing inclusive health response to the COVID-19 pandemic.
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Zhang J, Kern-Allely S, Yu T, Price RK. HIV and tuberculosis co-infection in East Asia and the Pacific from 1990 to 2017: results from the Global Burden of Disease Study 2017. J Thorac Dis 2019; 11:3822-3835. [PMID: 31656655 DOI: 10.21037/jtd.2019.09.23] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Background Periodic surveillance is crucial to provide information for resource allocation to control HIV/AIDS, tuberculosis (TB), and their co-infection, especially in areas with high morbidity and mortality like East Asia and the Pacific. Therefore, we examined the morbidity and mortality of HIV/AIDS and TB co-infection in this region from 1990 to 2017. Methods Utilizing the Global Burden of Disease (GBD) Study 2017, we obtained incidence, prevalence, and mortality numbers and rates of HIV/AIDS and TB co-infection, including HIV and drug-susceptible TB (DS-TB), multidrug-resistant TB without extensive drug resistance (MDR-TB without XDR), and extensive drug-resistant TB (XDR-TB). The trends in incidence, prevalence, and mortality from 1990 to 2017 for each co-infection type were analyzed using join-point regression modelling. Results In 2017, there were 238,372, 4,294, and 392 new cases of HIV-infected DS-TB, HIV-infected MDR-TB without XDR, and HIV-infected XDR-TB, respectively. The number of prevalent cases and deaths were 383,809 and 12,197 of HIV-infected DS-TB, 7,811 and 1,168 of HIV-infected MDR-TB without XDR, and 713 and 282 of HIV-infected XDR-TB. From 1990 to 2017, the age-standardized incidence rate and prevalence rate of HIV-infected DS-TB, and the prevalence rate of HIV-infected XDR-TB continuously increased; the incidence rate of HIV-infected XDR-TB increased from 1990 to 2005 before stabilizing. However, the incidence and prevalence rates of HIV-infected MDR-TB without XDR-as well as the mortality rates of all co-infection types-have decreased in the last 5 years. Conclusions Even though the mortality rates of all HIV and TB co-infection types have decreased recently, the overall trends in both incidence and prevalence rates of HIV-infected DS-TB and XDR-TB have been increasing since 1990. Efforts to control co-infection across drug resistance types should be continued and further strengthened.
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Affiliation(s)
- Jianrong Zhang
- Brown School at Washington University in St. Louis, St. Louis, MO, USA
| | | | - Tiange Yu
- Brown School at Washington University in St. Louis, St. Louis, MO, USA
| | - Rumi Kato Price
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO, USA
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Davis A, Terlikbayeva A, Aifah A, Hermosilla S, Zhumadilov Z, Berikova E, Rakhimova S, Primbetova S, Darisheva M, Schluger N, El-Bassel N. Risks for tuberculosis in Kazakhstan: implications for prevention. Int J Tuberc Lung Dis 2018; 21:86-92. [PMID: 28157470 DOI: 10.5588/ijtld.15.0838] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
SETTING Four regions in Kazakhstan where participants were recruited from June 2012 to May 2014. OBJECTIVE To examine associations between incarceration history and tobacco, alcohol, and drug consumption, and human immunodeficiency virus (HIV) infection and diabetes mellitus (DM) with TB. DESIGN This matched case-control study included 1600 participants who completed a survey on sociodemographics, history of incarceration, tobacco, alcohol and drug use, and HIV and DM diagnosis. Conditional logistic regression analysis was used to examine associations between a TB diagnosis and risk factors. RESULTS Participants who had ever smoked tobacco (aOR 1.73, 95%CI 1.23-2.43, P 0.01), ever drank alcohol (aOR 1.41, 95%CI 1.03-1.93, P 0.05), were HIV-positive (aOR 36.37, 95%CI 2.05-646.13, P 0.05) or had DM (aOR 13.96, 95%CI 6.37-30.56, P 0.01) were more likely to have TB. CONCLUSIONS The association between TB and tobacco use, alcohol use, HIV and DM in Kazakhstan suggests a need for comprehensive intervention and prevention approaches that also address tobacco and alcohol use, DM and HIV.
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Affiliation(s)
- A Davis
- Columbia University, New York City, New York, USA
| | - A Terlikbayeva
- Columbia University Global Health Research Center of Central Asia, Almaty, Kazakhstan
| | - A Aifah
- Columbia University, New York City, New York, USA
| | - S Hermosilla
- Columbia University, New York City, New York, USA
| | - Z Zhumadilov
- Center for Life Sciences, Nazarbayev University, Astana, Kazakhstan
| | - E Berikova
- National Center for Tuberculosis, Almaty, Kazakhstan
| | - S Rakhimova
- Center for Life Sciences, Nazarbayev University, Astana, Kazakhstan
| | - S Primbetova
- Columbia University Global Health Research Center of Central Asia, Almaty, Kazakhstan
| | - M Darisheva
- Columbia University Global Health Research Center of Central Asia, Almaty, Kazakhstan
| | - N Schluger
- Columbia University, New York City, New York, USA
| | - N El-Bassel
- Columbia University, New York City, New York, USA
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Hermosilla S, You P, Aifah A, Abildayev T, Akilzhanova A, Kozhamkulov U, Muminov T, Darisheva M, Zhussupov B, Terlikbayeva A, El-Bassel N, Schluger N. Identifying risk factors associated with smear positivity of pulmonary tuberculosis in Kazakhstan. PLoS One 2017; 12:e0172942. [PMID: 28249005 PMCID: PMC5332099 DOI: 10.1371/journal.pone.0172942] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 02/13/2017] [Indexed: 01/27/2023] Open
Abstract
Background Sputum smear-positive tuberculosis (TB) patients have a high risk of transmission and are of great epidemiological and infection control significance. Little is known about the smear-positive populations in high TB burden regions, such as Kazakhstan. The objective of this study is to characterize the smear-positive population in Kazakhstan and identify associated modifiable risk factors. Methods Data on incident TB cases’ (identified between April 2012 and March 2014) socio-demographic, risk behavior, and comorbidity characteristics were collected in four regions of Kazakhstan through structured survey and medical record review. We used multivariable logistic regression to determine factors associated with smear positivity. Results Of the total sample, 193 (34.3%) of the 562 study participants tested smear-positive. In the final adjusted multivariable logistic regression model, sex (adjusted odds ratio (aOR) = 2.0, 95% CI:1.3–3.1, p < 0.01), incarceration (aOR = 3.6, 95% CI:1.2–11.1, p = 0.03), alcohol dependence (aOR = 2.6, 95% CI:1.2–5.7, p = 0.02), diabetes (aOR = 5.0, 95% CI:2.4–10.7, p < 0.01), and physician access (aOR = 2.7, 95% CI:1.3–5.5p < 0.01) were associated with smear-positivity. Conclusions Incarceration, alcohol dependence, diabetes, and physician access are associated with smear positivity among incident TB cases in Kazakhstan. To stem the TB epidemic, screening, treatment and prevention policies should address these factors.
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Affiliation(s)
- Sabrina Hermosilla
- Columbia University Mailman School of Public Health, Department of Epidemiology, New York, NY, United States of America
- * E-mail:
| | - Paul You
- Columbia University Mailman School of Public Health, Department of Epidemiology, New York, NY, United States of America
| | - Angela Aifah
- Columbia University School of Social Work, 1255 Amsterdam Avenue, New York, NY, United States of America
| | | | - Ainur Akilzhanova
- Center for Life Sciences, Nazarbayev University, 53 Kabanbay Batyr Ave., Astana, Republic of Kazakhstan
| | - Ulan Kozhamkulov
- Center for Life Sciences, Nazarbayev University, 53 Kabanbay Batyr Ave., Astana, Republic of Kazakhstan
| | - Talgat Muminov
- National Association for TB Specialists, Almaty, Kazakhstan
| | - Meruert Darisheva
- Columbia University Global Health Research Center of Central Asia, Almaty, Kazakhstan
| | - Baurzhan Zhussupov
- Columbia University Global Health Research Center of Central Asia, Almaty, Kazakhstan
| | - Assel Terlikbayeva
- Columbia University Global Health Research Center of Central Asia, Almaty, Kazakhstan
| | - Nabila El-Bassel
- Columbia University School of Social Work, 1255 Amsterdam Avenue, New York, NY, United States of America
| | - Neil Schluger
- Columbia University Mailman School of Public Health, Department of Epidemiology, New York, NY, United States of America
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Edge CL, King EJ, Dolan K, McKee M. Prisoners co-infected with tuberculosis and HIV: a systematic review. J Int AIDS Soc 2016; 19:20960. [PMID: 27852420 PMCID: PMC5112354 DOI: 10.7448/ias.19.1.20960] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Revised: 10/01/2016] [Accepted: 10/24/2016] [Indexed: 12/17/2022] Open
Abstract
INTRODUCTION Almost from the beginning of the HIV epidemic in 1981, an association with tuberculosis (TB) was recognized. This association between HIV and TB co-infection has been particularly evident amongst prisoners. However, despite this, few studies of TB in prisons have stratified results by HIV status. Given the high prevalence of HIV-positive persons and TB-infected persons in prisons and the documented risk of TB in those infected with HIV, it is of interest to determine how co-infection varies amongst prison populations worldwide. For this reason we have undertaken a systematic review of studies of co-infected prisoners to determine the incidence and/or prevalence of HIV/TB co-infection in prisons, as well as outcomes in this group, measured as treatment success or death. METHODS A literature search was undertaken using the online databases PubMed, Embase, IBSS, Scopus, Web of Science, Global Health and CINAHL Plus. No restrictions were set on language or publication date for article retrieval, with articles included if indexed up to 18 October 2015. A total of 1975 non-duplicate papers were identified. For treatment and outcome data all eligible papers were appraised for inclusion; for incidence/prevalence estimates papers published prior to 2000 were excluded from full text review. After full text appraisal, 46 papers were selected for inclusion in the review, 41 for incidence/prevalence estimates and nine for outcomes data, with four papers providing evidence for both outcomes and prevalence/incidence. RESULTS Very few studies estimated the incidence of TB in HIV positive prisoners, with most simply reporting prevalence of co-infection. Co-infection is rarely explicitly measured, with studies simply reporting HIV status in prisoners with TB, or a cross-sectional survey of TB prevalence amongst prisoners with HIV. Estimates of co-infection prevalence ranged from 2.4 to 73.1% and relative risks for one, given the other, ranged from 2.0 to 10.75, although some studies reported no significant association between HIV and TB. Few studies provided a comparison with the risk of co-infection in the general population. CONCLUSIONS Prisoners infected with HIV are at high risk of developing TB. However, the magnitude of risk varies between different prisons and countries. There is little evidence on treatment outcomes in co-infected prisoners, and the existing evidence is conflicting in regards to HIV status influence on prisoner treatment outcomes.PROSPERO Number: CRD42016034068.
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Affiliation(s)
- Chantal L Edge
- London School of Hygiene and Tropical Medicine, London, England;
| | - Emma J King
- Brighton and Hove City Council, Brighton and Hove, England
| | - Kate Dolan
- Program of International Research and Training, National Drug and Alcohol Research Centre, UNSW Medicine, University of New South Wales, Sydney, Australia
| | - Martin McKee
- ECOHOST, London School of Hygiene and Tropical Medicine, London, England
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Surineni G, Yogeeswari P, Sriram D, Kantevari S. Click-based synthesis and antitubercular evaluation of dibenzofuran tethered thiazolyl-1,2,3-triazolyl acetamides. Bioorg Med Chem Lett 2016; 26:3684-9. [DOI: 10.1016/j.bmcl.2016.05.085] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 05/11/2016] [Accepted: 05/27/2016] [Indexed: 11/26/2022]
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Pulipati L, Yogeeswari P, Sriram D, Kantevari S. Click-based synthesis and antitubercular evaluation of novel dibenzo[ b , d ]thiophene-1,2,3-triazoles with piperidine, piperazine, morpholine and thiomorpholine appendages. Bioorg Med Chem Lett 2016; 26:2649-54. [DOI: 10.1016/j.bmcl.2016.04.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Revised: 03/24/2016] [Accepted: 04/07/2016] [Indexed: 12/14/2022]
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Burtscher D, Van den Bergh R, Toktosunov U, Angmo N, Samieva N, Rocillo Arechaga EP. "My Favourite Day Is Sunday": Community Perceptions of (Drug-Resistant) Tuberculosis and Ambulatory Tuberculosis Care in Kara Suu District, Osh Province, Kyrgyzstan. PLoS One 2016; 11:e0152283. [PMID: 27019454 PMCID: PMC4809488 DOI: 10.1371/journal.pone.0152283] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Accepted: 03/12/2016] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVES Kyrgyzstan is one of the 27 high multidrug-resistant tuberculosis (MDR-TB) burden countries listed by the WHO. In 2012, Médecins Sans Frontières (MSF) started a drug-resistant tuberculosis (DR-TB) project in Kara Suu District. A qualitative study was undertaken to understand the perception of TB and DR-TB in order to improve the effectiveness and acceptance of the MSF intervention and to support advocacy strategies for an ambulatory model of care. METHODS This paper reports findings from 63 interviews with patients, caregivers, health care providers and members of communities. Data was analysed using a qualitative content analysis. Validation was ensured by triangulation and a 'thick' description of the research context, and by presenting deviant cases. RESULTS Findings show that the general population interprets TB as the 'lungs having a cold' or as a 'family disease' rather than as an infectious illness. From their perspective, individuals facing poor living conditions are more likely to get TB than wealthier people. Vulnerable groups such as drug and alcohol users, homeless persons, ethnic minorities and young women face barriers in accessing health care. As also reported in other publications, TB is highly stigmatised and possible side effects of the long treatment course are seen as unbearable; therefore, people only turn to public health care quite late. Most patients prefer ambulatory treatment because of the much needed emotional support from their social environment, which positively impacts treatment concordance. Health care providers favour inpatient treatment only for a better monitoring of side effects. Health staff increasingly acknowledges the central role they play in supporting DR-TB patients, and the importance of assuming a more empathic attitude. CONCLUSIONS Health promotion activities should aim at improving knowledge on TB and DR-TB, reducing stigma, and fostering the inclusion of vulnerable populations. Health seeking delays and adherence problems will be countered by further implementation of shortened treatment regimens. An ambulatory model of care is proposed when convenient for the patient; hospitalisation is favoured only when seen as more appropriate for the respective individual.
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Affiliation(s)
- Doris Burtscher
- Médecins Sans Frontières, Vienna Evaluation Unit, Vienna, Austria
| | | | | | - Nilza Angmo
- Médecins Sans Frontières, Bishkek, Kyrgyzstan
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