135 results on '"Thekkur, P"'
Search Results
2. TB preventive therapy: uptake and time to initiation during implementation of ‘7-1-7’
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Harries, A.D., primary, Nair, D., additional, Thekkur, P., additional, Ananthakrishnan, R., additional, Thiagesan, R., additional, Chakaya, J.M., additional, Mbithi, I., additional, Jamil, B., additional, Fatima, R., additional, Khogali, M., additional, Zachariah, R., additional, Berger, S.D., additional, Satyanarayana, S., additional, Kumar, A.M.V., additional, Bochner, A.F., additional, and McClelland, A., additional
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- 2024
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3. Applying ‘timeliness’ to the screening and prevention of TB in household contacts of pulmonary TB patients
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Harries, A. D., primary, Nair, D., additional, Thekkur, P., additional, Ananthakrishnan, R., additional, Thiagesan, R., additional, Chakaya, J. M., additional, Mbithi, I., additional, Jamil, B., additional, Fatima, R., additional, Khogali, M., additional, Zachariah, R., additional, Berger, S. Dar, additional, Satyanarayana, S., additional, Kumar, A. M. V., additional, Bochner, A. F., additional, and McClelland, A., additional
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- 2024
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4. Effect of using electronic medication monitors on tuberculosis treatment outcomes in China: a longitudinal ecological study
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Wang, Ni, Guo, Lei, Shewade, Hemant Deepak, Thekkur, Pruthu, Zhang, Hui, Yuan, Yan-Li, Wang, Xiao-Meng, Wang, Xiao-Lin, Sun, Miao-Miao, Huang, Fei, and Zhao, Yan-Lin
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- 2021
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5. Spatiotemporal analysis of drug-resistant TB patients registered in selected districts of Karnataka, South India: a cross-sectional study
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Poojar, Basavaraj, Shenoy, K. Ashok, Naik, Poonam R., Kamath, Ashwin, Tripathy, Jaya Prasad, Mithra, P. Prasanna, Chowta, Mukta N., Badarudeen, M. N., Nagalakshmi, Narasimhaswamy, Sharma, Vivek, Shamanewadi, Amrita N., and Thekkur, Pruthu
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- 2020
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6. Malaria hot spot along the foothills of Rakhine state, Myanmar: geospatial distribution of malaria cases in townships targeted for malaria elimination
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Khine, San Kyawt, Kyaw, Nang Thu Thu, Thekkur, Pruthu, Lin, Zaw, and Thi, Aung
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- 2019
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7. Timeliness metrics for screening and preventing TB in household contacts of pulmonary TB patients in Kenya
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Nair, D., primary, Thekkur, P., additional, Mbithi, I., additional, Khogali, M., additional, Zachariah, R., additional, Dar Berger, S., additional, Satyanarayana, S., additional, Kumar, A.M.V., additional, Kathure, I., additional, Mwangi, J., additional, Bochner, A.F., additional, McClelland, A., additional, Chakaya, J.M., additional, and Harries, A.D., additional
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- 2023
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8. High multidrug resistance in urinary tract infections in a tertiary hospital, Kathmandu, Nepal
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Shakya, S., primary, Edwards, J., additional, Gupte, H. A., additional, Shrestha, S., additional, Shakya, B. M., additional, Parajuli, K., additional, Kattel, H. P., additional, Shrestha, P. S., additional, Ghimire, R., additional, and Thekkur, P., additional
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- 2021
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9. High drug resistance among Gram-negative bacteria in sputum samples from an intensive care unit in Nepal
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Ghimire, R., primary, Gupte, H. A., additional, Shrestha, S., additional, Thekkur, P., additional, Kharel, S., additional, Kattel, H. P., additional, Shrestha, P. S., additional, Poudel, N., additional, Shakya, S., additional, Parajuli, S., additional, Mudvari, A., additional, and Edwards, J., additional
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- 2021
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10. Xpert Ultra Assay on Stool to Diagnose Pulmonary Tuberculosis in Children
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Kabir, S, Rahman, SMM, Ahmed, S, Islam, MS, Banu, RS, Shewade, HD, Thekkur, P, Anwar, S, Banu, NA, Nasrin, R, Uddin, MKM, Choudhury, S, Paul, KK ; https://orcid.org/0000-0002-6054-3571, Khatun, R, Chisti, MJ, Banu, S, Kabir, S, Rahman, SMM, Ahmed, S, Islam, MS, Banu, RS, Shewade, HD, Thekkur, P, Anwar, S, Banu, NA, Nasrin, R, Uddin, MKM, Choudhury, S, Paul, KK ; https://orcid.org/0000-0002-6054-3571, Khatun, R, Chisti, MJ, and Banu, S
- Abstract
Background: The World Health Organization recommends the Xpert MTB/RIF Ultra assay for diagnosing pulmonary tuberculosis (PTB) in children. Though stool is a potential alternative to respiratory specimens among children, the diagnostic performance of Xpert Ultra on stool is unknown. Thus, we assessed the diagnostic performance of Xpert Ultra on stool to diagnose PTB in children. Methods: We conducted a cross-sectional study among consecutively recruited children (< 15 years of age) with presumptive PTB admitted in 4 tertiary care hospitals in Dhaka, Bangladesh, between January 2018 and April 2019. Single induced sputum and stool specimens were subjected to culture, Xpert, and Xpert Ultra. We considered children as bacteriologically confirmed on induced sputum if any test performed on induced sputum was positive for Mycobacterium tuberculosis and bacteriologically confirmed if M. tuberculosis was detected on either induced sputum or stool. Results: Of 447 children, 29 (6.5%) were bacteriologically confirmed on induced sputum and 72 (16.1%) were bacteriologically confirmed. With "bacteriologically confirmed on induced sputum"as a reference, the sensitivity and specificity of Xpert Ultra on stool were 58.6% and 88.1%, respectively. Xpert on stool had sensitivity and specificity of 37.9% and 100.0%, respectively. Among bacteriologically confirmed children, Xpert Ultra on stool was positive in 60 (83.3%), of whom 48 (80.0%) had "trace call."Conclusions: In children, Xpert Ultra on stool has better sensitivity but lesser specificity than Xpert. A high proportion of Xpert Ultra assays positive on stool had trace call. Future longitudinal studies on clinical evolution are required to provide insight on the management of children with trace call.
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- 2021
11. TB and COVID-19: measuring key risk factors that affect treatment outcomes
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Harries, A. D., primary, Kumar, A. M. V., additional, Satyanarayana, S., additional, Thekkur, P., additional, Lin, Y., additional, Dlodlo, R. A., additional, and Brigden, G., additional
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- 2021
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12. Effect of mobile voice calls on treatment initiation among patients diagnosed with tuberculosis in a tertiary care hospital of Puducherry: A randomized controlled trial
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Chinnakali, P, primary, Majella, MG, additional, Thekkur, P, additional, Kumar, AM, additional, Saka, VK, additional, and Roy, G, additional
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- 2021
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13. Effect of mobile voice calls on treatment initiation among patients diagnosed with tuberculosis in a tertiary care hospital of Puducherry: A randomized controlled trial.
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Majella, M, Thekkur, P, Kumar, A, Chinnakali, P, Saka, V, and Roy, G
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TUBERCULOSIS diagnosis , *CELL phones , *HEALTH care reminder systems , *EVALUATION of human services programs , *CONFIDENCE intervals , *TERTIARY care , *HEALTH outcome assessment , *RANDOMIZED controlled trials , *DESCRIPTIVE statistics , *STATISTICAL sampling , *TELEMEDICINE - Abstract
Objective: In India, about one third of tuberculosis (TB) patients diagnosed at tertiary hospitals are missed during a referral to peripheral health institutes for treatment. To address this, we assessed whether mobile voice call reminders to TB patients after diagnosis at a tertiary hospital decrease the proportion of "pretreatment loss to follow-up" (PTLFU), compared with the conventional paper-based referral. Design: A two-group parallel-arm randomized controlled trial was conducted. Setting: The study was conducted in a tertiary care hospital at Puducherry, South India. Participants: All newly diagnosed TB patients, both pulmonary and extrapulmonary, who were referred for treatment from the selected tertiary care hospital and possessed a mobile phone were eligible to participate. The participants were enrolled between March 2015 and June 2016 and were randomized to study groups using the block randomization with allocation concealment. Intervention: The participants in the intervention arm received standardized mobile voice calls reminding them to register for anti-TB treatment on the second and seventh day after referral in addition to the conventional paper-based referral received by the control group. Primary outcomes: Patients not started on anti-TB treatment within 14 days of referral were considered as PTLFU. The outcome of PTLFU was ascertained through phone calls made on the 14th day after referral. The intention-to-treat analysis was used, and the proportion of PTLFU in the study groups and the risk difference with 95% confidence interval (CI) were calculated. Results: Of the 393 patients assessed for eligibility, 310 were randomized to the intervention (n = 155) and control (n = 155) arms. In the intervention arm, 14 (9%) out of 155 were PTLFU compared with 28 (18%) of the 155 patients in the control arm. The absolute risk difference was 9% (95% CI [1.5, 16.6], P = 0.01). Conclusion: Mobile voice call reminder to patients is a feasible intervention and can reduce PTLFU among referred TB patients. [ABSTRACT FROM AUTHOR]
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- 2021
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14. Risk factors for death during treatment in pulmonary tuberculosis patients in South India: A cohort study
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Ramakrishnan, Jayalakshmy, Sarkar, Sonali, Chinnakali, Palanivel, Lakshminarayanan, Subitha, Sahu, Swaroop Kumar, Reshma, Ayiraveetil, Knudsen, Selby, Das, Mrinalini, Thekkur, Pruthu, Venugopal, Vinayagamoorthy, Hochberg, Natasha S., Salgame, Padmini, Horsburgh, C. Robert, Ellner, Jerrold, and Roy, Gautam
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Identifying the risk factors for deaths during tuberculosis (TB) treatment is important for achieving the vision of India's National Strategic Plan of ‘Zero Deaths’ by 2025. We aimed to determine the proportion of deaths during TB treatment and its risk factors among smear positive pulmonary TB patients aged more than 15 years.
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- 2021
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15. What is operational research and how can national tuberculosis programmes in low- and middle-income countries use it to end TB?
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Kumar, Ajay MV., Harries, Anthony D., Satyanarayana, Srinath, Thekkur, Pruthu, Shewade, Hemant D., and Zachariah, Rony
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Despite considerable progress over the years, tuberculosis (TB) still remains the top cause of death among the infectious diseases and has devastating socio-economic consequences for people in low- and middle-income countries. To add to this, the emergence of the COVID-19 pandemic has worsened delivery of TB care across the globe. As a global community, we have committed to end the TB epidemic by 2030. The World Health Organization has framed a strategy to achieve this goal which consists of three pillars namely i) integrated patient-centred care and prevention, ii) bold policies and systems and iii) intensified research and innovation. An analysis of the performance of national tuberculosis programmes (NTPs) across the globe against the ten priority indicators recommended for monitoring the end TB strategy show that there are huge gaps at every step in the cascade of care of TB patients. In our view, these gaps reflect suboptimal implementation of existing strategies known to be efficacious and operational research (OR) is one of the best available tools to plug the gaps.
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- 2020
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16. Are partners of HIV-infected people being tested for HIV? A mixed-methods research from Gujarat, India
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Selvaraj, K., primary, Kumar, A. M. V., additional, Chawla, S., additional, Shringarpure, K. S., additional, Thekkur, P., additional, Palanivel, C., additional, Verma, P. B., additional, Shah, A. N., additional, Pandya, K. N., additional, Roy, G., additional, Singh, Z., additional, Rewari, B. B., additional, and Dongre, A. R., additional
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- 2017
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17. MDR-TB in Puducherry, India: reduction in attrition and turnaround time in the diagnosis and treatment pathway
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Shewade, H. D., primary, Govindarajan, S., additional, Thekkur, P., additional, Palanivel, C., additional, Muthaiah, M., additional, Kumar, A. M. V., additional, Gupta, V., additional, Sharath, B. N., additional, Tripathy, J. P., additional, Vivekananda, K., additional, and Roy, G., additional
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- 2016
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18. High prevalence of prediabetes among the family members of individuals with diabetes. Findings from targeted screening program from south India.
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Ramaswamy, Gomathi, Chinnakali, Palanivel, Selvaraju, Sriram, Nair, Divya, Thekkur, Pruthu, Selvaraj, Kalaiselvi, Shivashankar, Roopa, Singh, Akash Ranjan, and Vrushabhendra, Halevoor Nanjundappa
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Abstract Aim We aimed to screen for prediabetes, diabetes and other cardiovascular risk factors among family members of people with diabetes registered for care in a primary health centre in South India. Methods During 2017–2018, we screened eligible family members of individuals with diabetes at their homes. We measured fasting capillary blood glucose (FCBG); for those with FCBG≥126 mg/dl, we confirmed the diagnosis of diabetes with fasting plasma glucose (FPG). We defined prediabetes as FCBG between 100 and 125 mg/dl; diabetes as both FCBG and FPG ≥126 mg/dl. We assessed non-communicable disease risk factors using WHO STEPS questionnaire. Results Of total 884 participants, 873 (99%) underwent screening; 280 (32%) had prediabetes, and 19 (2.2%) were confirmed with diabetes. Of newly diagnosed, 17 (90%) were initiated on treatment. Of 873 participants, 180 (20.6%) were newly diagnosed with hypertension. Of the total, 7.3%, 5.2% and 16% reported tobacco use, alcohol use and high salt intake respectively. Nearly half (48%) had overweight. Conclusion Though the yield for diabetes is modest (3%), the house to house approach was able to screen 99% of eligible population. High prevalence of prediabetes and undiagnosed hypertension emphasize the need for screening and life style modifications. [ABSTRACT FROM AUTHOR]
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- 2019
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19. “99DOTS”techno-supervision for tuberculosis treatment – A boon or a bane? Exploring challenges in its implementation at a tertiary centre in Delhi, India
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Prabhu, Ananya, Agarwal, Upasna, Tripathy, Jaya Prasad, Singla, Neeta, Sagili, Karuna, Thekkur, Pruthu, and Sarin, Rohit
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In India, daily regimen with fixed-dose combination along with 99DOTS adherence tool and one-stop service at Anti-Retroviral Treatment (ART) centres for HIV infected Tuberculosis (TB) patients was launched in 2017. No systematic evaluation of its implementation has been done so far in a tertiary care setting in urban India.
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- 2020
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20. Morbidity profile of adult outpatients attending traditional medicine health facilities in a district of South India
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Duraisamy, Venkatachalam, Thekkur, Pruthu, Majella, Marie Gilbert, Srinivasan, Manikandan, Saya, Ganesh Kumar, and Chinnakali, Palanivel
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Siddha system is a complementary system of medicine popular in South India. Information on common morbidities for which people seek care in Ayurveda, Yoga and Naturopathy, Unani, Siddha and Homeopathy (AYUSH) systems and especially in Siddha hospitals is very limited. This knowledge will help in prioritizing diseases and developing standard treatment guidelines.
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- 2018
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21. Alarmingly high level of alcohol use among fishermen: A community based survey from a coastal area of south India.
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Chinnakali, Palanivel, Thekkur, Pruthu, Manoj Kumar, A., Ramaswamy, Gomathi, Bharadwaj, Balaji, and Roy, Gautam
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Introduction: Though studies from western world have reported high prevalence of alcohol use among fishermen, there is lack of information from developing world. Hence this study was carried out among fishermen in a coastal area of southern India to 1) determine the prevalence of alcohol use among fishermen 2) describe the pattern of alcohol use 3) identify factors associated with alcohol use.Methods: A community based cross-sectional study was carried out among fishermen in a coastal village of Puducherry, India. House to hose survey was conducted, fishermen aged above 18 years and involved in catching fish at least once in last three months, were included. Data on age, marital status, education, monthly income, duration in fishing occupation, owning a boat or wager, frequency of fishing per month/week, number of hours spent in sea, alcohol use in past one year, age at initiation, type of alcohol drink and presence of alcohol users in family.Results: In total, 304 participants were interviewed. Mean (SD) age of the participants was 41 (11) and 82% were involved in fishing for more than 10 years. Of 304 participants, 241 (79%) reported alcohol use in past one year. Of 241 participants who used alcohol, 89% reported alcohol consumption during fishing activity. In multivariate analysis, alcohol use in other family members was independently associated with alcohol use (aRR 21.4; 95% CI 6.8-67.4).Conclusion: Very high prevalence of alcohol use is seen among fishermen. Of those who consume alcohol, nine out of ten use during fishing activities. [ABSTRACT FROM AUTHOR]- Published
- 2016
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22. High Tobacco Use among Presumptive Tuberculosis Patients, South India: Time to Integrate Control of Two Epidemics.
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Kanakia, Kunal Pradip, Majella, Marie Gilbert, Thekkur, Pruthu, Ramaswamy, Gomathi, Nair, Divya, and Chinnakali, Palanivel
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Objectives Tobacco is an important risk factor for tuberculosis (TB) infection and TB disease. Identifying tobacco users and providing tobacco cessation services is expected to reduce the burden of TB. We assessed tobacco use among presumptive TB patients attending a tertiary hospital and their willingness to attend tobacco cessation services. Methods A cross-sectional study was conducted among presumptive TB patients attending a designated microscopy center of a tertiary hospital in South India. All presumptive TB patients aged ≥ 18 years attending the designated microscopy center were interviewed using a semistructured interview schedule. Data on presumptive TB patient's age, sex, tobacco use and forms of tobacco, attempts to quit tobacco since 1 year, and willingness to attend a smoking cessation clinic in tertiary hospital were captured. History of use of tobacco in the past 1 month was considered as “tobacco use.”. Results A total of 424 presumptive TB patients aged ≥ 18 years were interviewed. Tobacco use in the past 1 month was reported by 176 (41.5%, 95% confidence interval: 36.9–46.3%) presumptive TB patients. In total, 78 (18%) presumptive TB patients were eventually diagnosed with smear-positive pulmonary TB, of them 63 (80%) were tobacco users. Presumptive TB patients aged ≥ 30 years, male sex, and < 10 years of education were significantly associated with tobacco use. Of 176, a majority of 132 (75%) used some form of smoking. Of a total of 132 smokers, 70 (53%) were willing to avail of tobacco cessation services. Conclusion Tobacco use among presumptive TB patients was high. Considering the high willingness to quit among smokers, proven brief interventions to help quit smoking can be tried. [ABSTRACT FROM AUTHOR]
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- 2016
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23. Self-care practices among diabetes patients registered in a chronic disease clinic in Puducherry, South India
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Selvaraj, Kalaiselvi, Ramaswamy, Gomathi, Radhakrishnan, Shrivarthan, Thekkur, Pruthu, Chinnakali, Palanivel, and Roy, Gautam
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- 2016
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24. To start or to complete? – Challenges in implementing tuberculosis preventive therapy among people living with HIV: a mixed-methods study from Karnataka, India
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Reddy, Mahendra M., Thekkur, Pruthu, Ramya, Nagesh, Kamath, Prasanna B. T., Shastri, Suresh G., Kumar, Ravi B. N., Chinnakali, Palanivel, Nirgude, Abhay S., Rangaraju, Chethana, Somashekar, Narasimhaiah, and Kumar, Ajay M. V.
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ABSTRACTBackground: Isoniazid preventive therapy (IPT) has been shown to reduce the risk of tuberculosis (TB) among people living with HIV (PLHIV). In 2017, India began a nationwide roll-out of IPT, but there is a lack of evidence on the implementation and the challenges.Objectives: Among PLHIV newly initiated on antiretroviral therapy (ART) from January 2017 to June 2018, to: (i) assess the proportion who started and completed IPT and (ii) explore reasons for non-initiation and non-completion from health-care providers’ and patients’ perspectives.Methods: An explanatory mixed-methods study was conducted in two selected districts of Karnataka, South India. A quantitative phase (cohort analysis of routinely collected program data) was followed by a qualitative phase involving thematic analysis of in-depth interviews with providers (n = 22) and patients (n = 8).Results: Of the 4020 included PLHIV, 3780 (94%) were eligible for IPT, of whom, 1496 (40%, 95% CI: 38%-41%) were initiated on IPT. Among those initiated, 423 (28.3%) were still on IPT at the time of analysis. Among 1073 patients with declared IPT outcomes 870 (81%, 95% CI: 79%-83%) had completed the six-month course of IPT. The main reason for IPT non-initiation and non-completion was frequent drug stock-outs. This required health-care providers to restrict IPT initiation in selected patient subgroups and earmark six-monthly courses for each patient to ensure that, once started, treatment was not interrupted. The other reasons for non-completion were adverse drug effects and loss to follow-up.Conclusion: The combined picture of ‘low IPT initiation and high completion’ seen in our study mirrors findings from other countries. Drug stock-out was the key challenge, which obliged health-care providers to prioritize ‘IPT completion’ over ‘IPT initiation’. There is an urgent need to improve the procurement and supply chain management of isoniazid.
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- 2020
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25. Is a smartphone application effective in improving physical activity among medical school students? Results from a quasi-experimental study
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Pentakota, Naveen, Ramaswamy, Gomathi, Thekkur, Pruthu, Nair, Divya, Chinnakali, Palanivel, and Kumar Saya, Ganesh
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- 2019
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26. Outcomes and implementation challenges of using daily treatment regimens with an innovative adherence support tool among HIV-infected tuberculosis patients in Karnataka, India: a mixed-methods study
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Thekkur, Pruthu, Kumar, Ajay MV, Chinnakali, Palanivel, Selvaraju, Sriram, Bairy, Ramachandra, Singh, Akash Ranjan, Nirgude, Abhay, Selvaraj, Kalaiselvi, Venugopal, Vinayagamoorthy, and Shastri, Suresh
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ABSTRACTBackground: In India, a new care package consisting of (i) daily regimen with fixed-dose combination drugs, collected once-a-month and self-administered by the patient, (ii) ‘one stop service’ at antiretroviral treatment (ART) centre for both HIV and tuberculosis (TB) treatment and (iii) technology-enabled adherence support (99DOTS, which required patients to give a missed phone call after consuming drugs) was piloted for treatment of TB among HIV-infected TB patients. Conventional care included intermittent regimen (drugs consumed thrice-weekly) delivered under direct observation of treatment supporter and the patients needing to visit TB and HIV care facilities, separately for treatment.Objective: To assess the effect of new care package on TB treatment outcomes among HIV-TB patients registered during January–December 2016, as compared to conventional care and explore the implementation challenges.Methods: A mixed-methods study was conducted in four districts of Karnataka, India where new care package was piloted in few ART centres while the rest provided conventional care. Quantitative component involved a secondary cohort analysis of routine programme data. Adjusted relative risk(aRR) was calculated using Poisson regression to measure association between new care package and unsuccessful treatment outcome. We conducted in-depth interviews with healthcare providers and patients to understand the challenges.Results: Unsuccessful TB treatment outcomes (death, loss to follow-up and failure) were higher in new care package (n = 871) compared to conventional care (n = 961) (30.5% vs 23.4%; P value<0.001) and aRR was 1.3(95% CI: 1.1–1.7). Key challenges included patients’ inability to give missed call, increased work load for ART staff, reduced patient–provider interaction, deficiencies in training and lack of role clarity among providers and reduced involvement of TB program staff.Conclusion: With new care package, TB treatment outcomes did not improve as expected and conversely declined compared to conventional care. TB and HIV programs need to address the operational challenges to improve the outcomes.
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- 2019
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27. Health care workers hospitalized for COVID-19 in Liberia: who were they, and what were their outcomes?
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Lehyen DB, Ako-Egbe L, Dwalu E, Vonhm BT, Thekkur P, Zachariah R, and Bawo L
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- Humans, Liberia epidemiology, Male, Female, Adult, Middle Aged, SARS-CoV-2, Cohort Studies, Pandemics, COVID-19 epidemiology, COVID-19 mortality, COVID-19 therapy, Health Personnel, Hospitalization statistics & numerical data
- Abstract
Background: Sustaining a 'fit-for-purpose' health workforce requires a better understanding of the health care worker cadres that are affected during pandemics and their outcomes. In hospitalized health care workers with confirmed COVID-19 between March 2020 and May 2023 in Liberia, we determined the hospitalization and case fatality rates, type of health care worker cadres affected, their demographic and clinical characteristics and hospital exit outcomes., Methods: This was a cohort study using routine data extracted from hospitalization forms for health care workers in 24 designated COVID-19 treatment facilities., Results: Of the 424 health care workers with COVID-19, hospitalization rates progressively declined between 2020 and 2023, (P<0.001) with the highest rates in 2020 (24/1,000 health care workers) and 2021 (14/1,000 health care workers). Case fatality was 2% in both 2020 and 2021 with no deaths thereafter. Among those hospitalized, the highest proportions were nursing cadres with 191(45%), physicians with 63 (15%) and laboratory technicians with 42 (10%). The most frequent reported site for COVID-19 infection was the health facility (326, 89%). COVID-19 vaccination coverage in health care workers was 20%. The majority (91%) of hospitalizations were for mild symptomatic infections. Even in referral centres (n-52), 18 (35%) were for mild infections. Of the 424 who were hospitalized, 412 (97%) recovered, 9 (2%) died and 3 (1%) either left against medical advice or absconded. Of the nine deaths, none were vaccinated, seven had moderate-to-severe disease but were not referred to specialized COVID-19 treatment centers., Conclusions: The hospitalized health care workers for COVID-19 were predominantly clinical and laboratory personnel who were mostly unvaccinated, and health facilities were hot-spots for contracting infections. The triage and referral system was weak with unnecessary hospitalization of mild infections. This study provides useful insights for outbreak preparedness including priority vaccination and improving health care worker safety in Liberia., Competing Interests: No competing interests were disclosed., (Copyright: © 2024 Lehyen DB et al.)
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- 2024
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28. Burden and challenges in managing TB infection among people with occupational exposure to silica in India.
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Kalottee B, Mahajan P, Nuken A, Nair D, Thekkur P, Kumar AMV, Rai V, Parmar M, Solanki H, Rao R, Mattoo SK, and Kumar R
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Background: Occupational exposure to silica increases the risk of TB infection (TBI) and disease. This study aimed to determine the prevalence of TBI and explore challenges in TBI management in such individuals in two districts of India during 2023., Methods: This was an explanatory mixed-methods study with a quantitative cohort design and qualitative descriptive in-depth interviews., Results: Among 1,555 individuals with occupational exposure to silica, 593 (38%, 95% CI 36-41) underwent interferon-gamma release assay (IGRA) for TBI, of whom 255 (43%, 95% CI 39-47) were found IGRA-positive. Males with occupational silica exposure for ≥20 years had a significantly higher risk of TBI. Of these 160 individuals eligible for TB preventive therapy (TPT), 153 (96%, 95% CI 92-98) were initiated on TPT and 124 (81%, 95% CI 74-88) completed TPT. The low uptake of IGRA was attributed to the stigma associated with TB and reluctance to undergo any medical evaluation., Conclusions: Compared to the general population, individuals with occupational exposure to silica have an almost two times higher prevalence of TBI. Further research is required to identify the threshold of silica exposure to be considered for screening for TBI. Efforts to increase awareness and decrease stigma can improve the uptake of testing for TBI and TB disease., (© 2024 The Authors.)
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- 2024
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29. Barriers to engagement in the care cascade for tuberculosis disease in India: A systematic review of quantitative studies.
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Jhaveri TA, Jhaveri D, Galivanche A, Lubeck-Schricker M, Voehler D, Chung M, Thekkur P, Chadha V, Nathavitharana R, Kumar AMV, Shewade HD, Powers K, Mayer KH, Haberer JE, Bain P, Pai M, Satyanarayana S, and Subbaraman R
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- Humans, India epidemiology, Health Services Accessibility, Treatment Outcome, Male, Tuberculosis therapy, Tuberculosis diagnosis, Tuberculosis epidemiology
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Background: India accounts for about one-quarter of people contracting tuberculosis (TB) disease annually and nearly one-third of TB deaths globally. Many Indians do not navigate all care cascade stages to receive TB treatment and achieve recurrence-free survival. Guided by a population/exposure/comparison/outcomes (PECO) framework, we report findings of a systematic review to identify factors contributing to unfavorable outcomes across each care cascade gap for TB disease in India., Methods and Findings: We defined care cascade gaps as comprising people with confirmed or presumptive TB who did not: start the TB diagnostic workup (Gap 1), complete the workup (Gap 2), start treatment (Gap 3), achieve treatment success (Gap 4), or achieve TB recurrence-free survival (Gap 5). Three systematic searches of PubMed, Embase, and Web of Science from January 1, 2000 to August 14, 2023 were conducted. We identified articles evaluating factors associated with unfavorable outcomes for each gap (reported as adjusted odds, relative risk, or hazard ratios) and, among people experiencing unfavorable outcomes, reasons for these outcomes (reported as proportions), with specific quality or risk of bias criteria for each gap. Findings were organized into person-, family-, and society-, or health system-related factors, using a social-ecological framework. Factors associated with unfavorable outcomes across multiple cascade stages included: male sex, older age, poverty-related factors, lower symptom severity or duration, undernutrition, alcohol use, smoking, and distrust of (or dissatisfaction with) health services. People previously treated for TB were more likely to seek care and engage in the diagnostic workup (Gaps 1 and 2) but more likely to suffer pretreatment loss to follow-up (Gap 3) and unfavorable treatment outcomes (Gap 4), especially those who were lost to follow-up during their prior treatment. For individual care cascade gaps, multiple studies highlighted lack of TB knowledge and structural barriers (e.g., transportation challenges) as contributing to lack of care-seeking for TB symptoms (Gap 1, 14 studies); lack of access to diagnostics (e.g., X-ray), non-identification of eligible people for testing, and failure of providers to communicate concern for TB as contributing to non-completion of the diagnostic workup (Gap 2, 17 studies); stigma, poor recording of patient contact information by providers, and early death from diagnostic delays as contributing to pretreatment loss to follow-up (Gap 3, 15 studies); and lack of TB knowledge, stigma, depression, and medication adverse effects as contributing to unfavorable treatment outcomes (Gap 4, 86 studies). Medication nonadherence contributed to unfavorable treatment outcomes (Gap 4) and TB recurrence (Gap 5, 14 studies). Limitations include lack of meta-analyses due to the heterogeneity of findings and limited generalizability to some Indian regions, given the country's diverse population., Conclusions: This systematic review illuminates common patterns of risk that shape outcomes for Indians with TB, while highlighting knowledge gaps-particularly regarding TB care for children or in the private sector-to guide future research. Findings may inform targeting of support services to people with TB who have higher risk of poor outcomes and inform multicomponent interventions to close gaps in the care cascade., Competing Interests: MP is an Academic Editor on PLOS Medicine’s editorial board, and serves as Editor-in-Chief of PLOS Global Public Health. MP also serves as an advisor to the following non-profit agencies in global health: Bill & Melinda Gates Foundation; Foundation for Innovative New Diagnostics; World Health Organization & the Stop TB Partnership. JEH has been a paid consultant for Merck. JEH owns stock in Natera. All other authors have declared that no competing interests exist., (Copyright: © 2024 Jhaveri et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
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- 2024
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30. Socioeconomic and Geographical Inequities in Burden and Treatment seeking Behavior for Hypertension among Women in the Reproductive Age (15-45 years) Group in India: Findings from a Nationally Representative Survey.
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Vijayakumar K, Kannusamy S, Krishnamoorthy Y, Vasudevan K, Thekkur P, Goel S, and Meshram SS
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- Humans, Female, India epidemiology, Adolescent, Adult, Middle Aged, Young Adult, Health Surveys, Prevalence, Hypertension epidemiology, Hypertension therapy, Socioeconomic Factors, Patient Acceptance of Health Care statistics & numerical data, Healthcare Disparities statistics & numerical data
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Background: Socioeconomic disparity changed healthcare seeking and management cascade of hypertension due to inequity in hypertension care cascade pathway., Objectives: The inequities in burden and treatment-seeking behavior of hypertension among reproductive age group women were studied from National Family Health Survey-4 (NFHS-4) data., Materials and Methods: We analyzed the data from NFHS-4 of women of reproductive age group between 15 and 49 years among the selected households contributing to 699,686 women. Socioeconomic inequities were assessed by expenditure quintile. Inequities in burden and treatment-seeking behavior were reported using the concentration curve and concentration index., Results: The prevalence of hypertension in India was 15% (95% confidence interval: 14.9%-15.4%). One-third (32%) of the hypertensive population received treatment and only 28% of the women had controlled blood pressure. Wealth and education-based inequalities were more in high wealth index. The inequity in screening and awareness was in the northern and northeastern regions., Conclusion: There was inequity in the overall hypertension care cascade pathway with more inequity in the northern and northeastern region., (Copyright © 2024 Copyright: © 2024 Indian Journal of Public Health.)
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- 2024
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31. Using timeliness metrics for household contact tracing and TB preventive therapy in the private sector, India.
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Thekkur P, Thiagesan R, Nair D, Karunakaran N, Khogali M, Zachariah R, Dar Berger S, Satyanarayana S, Kumar AMV, Bochner AF, McClelland A, Ananthakrishnan R, and Harries AD
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- Humans, Private Sector, India epidemiology, Mass Screening methods, Contact Tracing, Tuberculosis, Pulmonary diagnosis, Tuberculosis, Pulmonary epidemiology, Tuberculosis, Pulmonary prevention & control
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BACKGROUND Although screening of household contacts (HHCs) of TB patients and provision of TB preventive therapy (TPT) is a key intervention to end the TB epidemic, their implementation globally is dismal. We assessed whether introducing a '7-1-7' timeliness metric was workable for implementing HHC screening among index patients with pulmonary TB diagnosed by private providers in Chennai, India, between November 2022 and March 2023.METHODS This was an explanatory mixed-methods study (quantitative-cohort and qualitative-descriptive).RESULTS There were 263 index patients with 556 HHCs. In 90% of index patients, HHCs were line-listed within 7 days of anti-TB treatment initiation. Screening outcomes were ascertained in 48% of HHCs within 1 day of line-listing. Start of anti-TB treatment, TPT or a decision to receive neither was achieved in 57% of HHC within 7 days of screening. Overall, 24% of screened HHCs in the '7-1-7' period started TPT compared with 16% in a historical control ( P < 0.01). Barriers to achieving '7-1-7' included HHC reluctance for evaluation or TPT, refusal of private providers to prescribe TPT and reliance on facility-based screening of HHCs instead of home visits by health workers for screening. .CONCLUSIONS Introduction of a timeliness metric is a workable intervention that adds structure to HHC screening and timely management.- Published
- 2024
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32. Implementation research for strengthening health systems in India.
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Zachariah R, Thekkur P, Nair D, Davtyan H, Tripathy JP, Chinnakali P, Gupte HA, Harries AD, and Reeder JC
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- Humans, India epidemiology, Implementation Science, Delivery of Health Care
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- 2024
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33. Correction: Ambulatory management of pre- and extensively drug resistant tuberculosis patients with imipenem delivered through port-a-cath: A mixed methods study on treatment outcomes and challenges.
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Chavan VV, Dalal A, Nagaraja S, Thekkur P, Mansoor H, Meneguim A, Paryani R, Singh P, Kalon S, Das M, Ferlazzo G, and Isaakidis P
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[This corrects the article DOI: 10.1371/journal.pone.0234651.]., (Copyright: © 2024 Chavan et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
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- 2024
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34. Situation Analysis of Early Implementation of Programmatic Management of Tuberculosis Preventive Treatment among Household Contacts of Pulmonary TB Patients in Delhi, India.
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Alvi Y, Philip S, Anand T, Chinnakali P, Islam F, Singla N, Thekkur P, Khanna A, and Vashishat BK
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Tuberculosis Preventive Treatment (TPT) is a powerful tool for preventing the TB infection from developing into active TB disease, and has recently been expanded to all household contacts of TB cases in India. This study employs a mixed-methods approach to conduct a situational analysis of the initial phase of TPT implementation among household contacts of pulmonary TB patients in three districts of Delhi, India. It was completed using a checklist based assessments, care cascade data, and qualitative analysis. Our observations indicated that organizational structure and planning were established, but implementation of TPT was suboptimal with issues in drug availability and procurement, budget, human resources, and training. Awareness and motivation, and shorter regimen, telephonic assessment, and collaboration with NGOs emerged as enablers. Apprehension about taking TPT, erratic drug supply, long duration of treatment, side effects, overburden, large population, INH resistance, data entry issues, and private provider reluctance emerged as barriers. The study revealed potential solutions for optimizing TPT implementation. It is evident that, while progress has been made in TPT implementation, there is room for improvement and refinement across various domains.
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- 2024
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35. Timeliness metrics for screening and preventing TB in household contacts of pulmonary TB patients in Kenya.
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Nair D, Thekkur P, Mbithi I, Khogali M, Zachariah R, Dar Berger S, Satyanarayana S, Kumar AMV, Kathure I, Mwangi J, Bochner AF, McClelland A, Chakaya JM, and Harries AD
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Background: The study assessed whether a "7-1-7" timeliness metric for screening and TB preventive therapy (TPT) could be implemented for household contacts (HHCs) of index patients with bacteriologically confirmed pulmonary TB under routine programmatic settings in Kenya., Methods: A longitudinal cohort study conducted among index patients and their HHCs in 12 health facilities, Kiambu County, Kenya., Results: Between January and June 2023, 95% of 508 index patients had their HHCs line-listed within 7 days of initiating anti-TB treatment ("First 7"). In 68% of 1,115 HHCs, screening outcomes were ascertained within 1 day of line-listing ("Next 1"). In 65% of 1,105 HHCs eligible for further evaluation, anti-TB treatment, TPT or a decision for no drugs was made within 7 days of screening ("Second 7"). Altogether, 62% of screened HHCs started TPT during the "7-1-7" period compared with 58% in a historical cohort. Main barriers to TPT uptake were HHCs not consulting clinicians, HHCs being unwilling to initiate TPT and drug shortages. Healthcare workers felt that a timeliness metric was valuable for streamlining HHC management and proposed "3-5-7" as a workable alternative., Conclusions: The national TB programme must generate awareness about TPT, ensure uninterrupted drug supplies and assess whether the "3-5-7" metric can be operationalised., Competing Interests: Conflicts of interest: none declared., (© 2024 The Authors.)
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- 2024
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36. Test and Treat Model for Tuberculosis Preventive Treatment among Household Contacts of Pulmonary Tuberculosis Patients in Selected Districts of Maharashtra: A Mixed-Methods Study on Care Cascade, Timeliness, and Early Implementation Challenges.
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Mahajan P, Soundappan K, Singla N, Mehta K, Nuken A, Thekkur P, Nair D, Rattan S, Thakur C, Sachdeva KS, and Kalottee B
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Tuberculosis preventive treatment (TPT) is an important intervention in preventing infection and reducing TB incidence among household contacts (HHCs). A mixed-methods study was conducted to assess the "Test and Treat" model of TPT care cascade among HHCs aged ≥5 years of pulmonary tuberculosis (PTB) patients (bacteriologically/clinically confirmed) being provided TPT care under Project Axshya Plus implemented in Maharashtra (India). A quantitative phase cohort study based on record review and qualitative interviews to understand the challenges and solutions in the TPT care cascade were used. Of the total 4181 index patients, 14,172 HHCs were screened, of whom 36 (0.3%) HHCs were diagnosed with tuberculosis. Among 14,133 eligible HHCs, 10,777 (76.3%) underwent an IGRA test. Of them, 2468 (22.9%) tested positive for IGRA and were suggested for chest X-ray. Of the eligible 2353 HHCs, 2159 (91.7%) were started on TPT, of whom 1958 (90.6%) completed the treatment. The median time between treatment initiation of index PTB patient and (a) HHC screening was 31 days; (b) TPT initiation was 64 days. The challenges in and suggested solutions for improving the TPT care cascade linked to subthemes were tuberculosis infection testing, chest X-ray, human resources, awareness and engagement, accessibility to healthcare facilities, TPT drugs, follow-up, and assessment. A systematic monitoring and time-based evaluation of TPT cascade care delivery followed by prompt corrective actions/interventions could be a crucial strategy for its effective implementation and for the prevention of tuberculosis.
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- 2023
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37. Feasibility, enablers and challenges of using timeliness metrics for household contact tracing and TB preventive therapy in Pakistan.
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Jamil B, Nair D, Thekkur P, Laeeq N, Adil A, Khogali M, Zachariah R, Dar Berger S, Satyanarayana S, Kumar AMV, Bochner A, McClelland A, Fatima R, and Harries AD
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- Humans, Pakistan epidemiology, Feasibility Studies, Antitubercular Agents therapeutic use, Contact Tracing methods, Tuberculosis, Pulmonary diagnosis, Tuberculosis, Pulmonary drug therapy, Tuberculosis, Pulmonary epidemiology
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Introduction: Screening household contacts of TB patients and providing TB preventive therapy (TPT) is a key intervention to end the TB epidemic. Global and timely implementation of TPT in household contacts, however, is dismal. We adapted the 7-1-7 timeliness metric designed to evaluate and respond to infectious disease outbreaks or pandemics, and assessed the feasibility, enablers and challenges of implementing this metric for screening and management of household contacts of index patients with bacteriologically-confirmed pulmonary TB in Karachi city, Pakistan., Methods: We conducted an explanatory mixed methods study with a quantitative component (cohort design) followed by a qualitative component (descriptive design with focus group discussions)., Results: From January-June 2023, 92% of 450 index patients had their household contacts line-listed within seven days of initiating anti-TB treatment ("first 7"). In 84% of 1342 household contacts, screening outcomes were ascertained within one day of line-listing ("next 1"). In 35% of 256 household contacts eligible for further evaluation by a medical officer (aged ≤5 years or with chest symptoms), anti-tuberculosis treatment, TPT or a decision for no drugs was made within seven days of symptom screening ("second 7"). The principal reason for not starting anti-tuberculosis treatment or TPT was failure to consult a medical officer: only 129(50%) of 256 contacts consulted a medical officer. Reasons for poor performance in the "second 7" component included travel costs to see a medical officer, loss of daily earnings and fear of a TB diagnosis. Field staff reported that timeliness metrics motivated them to take prompt action in household contact screening and TPT provision and they suggested these be included in national guidelines., Conclusions: Field staff found "7-1-7" timeliness metrics to be feasible and useful. Integration of these metrics into national guidelines could improve timeliness of diagnosis, treatment and prevention of TB within households of index patients., Competing Interests: The authors have declared that no competing interests exist., (Copyright: © 2023 Jamil et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
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- 2023
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38. Outcomes and Challenges in the Programmatic Implementation of Tuberculosis Preventive Therapy among Household Contacts of Pulmonary TB Patients: A Mixed-Methods Study from a Rural District of Karnataka, India.
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Samudyatha UC, Soundappan K, Ramaswamy G, Mehta K, Kumar C, Jagadeesh M, Prasanna Kamath BT, Singla N, and Thekkur P
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The National TB Elimination Programme (NTEP) of India is implementing tuberculosis preventive treatment (TPT) for all household contacts (HHCs) of pulmonary tuberculosis patients (index patients) aged <5 years and those HHCs aged >5 years with TB infection (TBI). We conducted an explanatory mixed-methods study among index patients registered in the Kolar district, Karnataka during April-December 2022, to assess the TPT cascade and explore the early implementation challenges for TPT provision. Of the 301 index patients, contact tracing home visits were made in 247 (82.1%) instances; a major challenge was index patients' resistance to home visits fearing stigma, especially among those receiving care from the private sector. Of the 838 HHCs, 765 (91.3%) were screened for TB; the challenges included a lack of clarity on HHC definition and the non-availability of HHCs during house visits. Only 400 (57.8%) of the 692 eligible HHCs underwent an IGRA test for TBI; the challenges included a shortage of IGRA testing logistics and the perceived low risk among HHCs. As HHCs were unaware of their IGRA results, a number of HHCs actually eligible for TPT could not be determined. Among the 83 HHCs advised of the TPT, 81 (98%) initiated treatment, of whom 63 (77%) completed treatment. Though TPT initiation and completion rates are appreciable, the NTEP needs to urgently address the challenges in contact identification and IGRA testing.
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- 2023
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39. Quality of Reporting of Adverse Drug Reactions to Antimicrobials Improved Following Operational Research: A before-and-after Study in Sierra Leone (2017-2023).
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Conteh TA, Thomas F, Abiri OT, Komeh JP, Kanu A, Kanu JS, Fofanah BD, Thekkur P, and Zachariah R
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Background: The quality of pharmacovigilance data is important for guiding medicine safety and clinical practice. In baseline and follow-up studies after introducing interventions to improve the quality of reporting of Individual Case Safety Reports (ICSRs) in Sierra Leone, we compared (a) timeliness and completeness of reporting and (b) patient outcomes classified as 'recovering'. Methods : Baseline (January 2017-December 2021) and follow-up (June 2022-April 2023) studies of ICSRs in the national pharmacovigilance database. Interventions introduced following recommendations from the baseline study included: updating standard operating procedures and guidelines, setting performance targets follow-up of patient outcomes, and training. Results: There were 566 ICSRs in the baseline study and 59 in the follow-up study. Timelines (reporting < 30 days) improved by five-fold (10% at baseline to 47% in follow-up). For the completeness of variables in ICSRs (desired threshold ≥ 90%),this was 44% at baseline and increased to 80% in the follow-up study. 'Recovering' outcomes reduced from 36% (baseline study) to 3% (follow-up study, p < 0.001). Conclusions: Significant improvements in timeliness, completeness, and validation of ICSRs were observed following operational research in Sierra Leone. While enhancing pharmacovigilance and patient safety, this study highlights the important synergistic role operational research can play in improving monitoring and evaluation systems.
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- 2023
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40. Use and Quality of Blood Cultures for the Diagnosis of Bloodstream Infections: A Cross-Sectional Study in the Ho Teaching Hospital, Ghana, 2019-2021.
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Boakye-Yiadom E, Najjemba R, Thekkur P, Labi AK, Gil-Cuesta J, Asafo-Adjei K, Mensah P, van Boetzelaer E, Jessani NS, and Orish VN
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- Infant, Infant, Newborn, Humans, Blood Culture, Cross-Sectional Studies, Ghana, Microbial Sensitivity Tests, Hospitals, Teaching, Mycobacterium tuberculosis, Sepsis diagnosis
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Blood Culture and Drug Susceptibility Testing (CDST) remains vital for the diagnosis and management of bloodstream infections (BSIs). While the Ghana National Standard Treatment Guidelines require CDST to be performed in each case of suspected or clinically diagnosed BSI, these are poorly adhered to in the Ho Teaching Hospital (HTH). This study used secondary medical and laboratory records to describe blood CDST requests by clinicians and the quality of CDST processes for the diagnosis of BSI among patients admitted to HTH from 2019 to 2021. Of 4278 patients, 33% were infants. Pneumonia and neonatal sepsis cases were 40% and 22%, respectively. Only 8% (351/4278) had blood CDST requested. Of 94% (329/351) blood CDST processed and reported, only 7% (22/329) were culture-positive, with likely contaminants being recovered from 16% (52/329) of the specimens. The duration from admission to request was 2 days (IQR: 0-5), and Further qualitative studies must be conducted to understand the reasons for low blood CDST utilisation among clinicians and the patient outcomes. Targeted interventions are required to enhance the utilisation of blood CDST by clinicians and the quality of laboratory processes.
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- 2023
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41. Quality of Electronic TB Register Data Compared with Paper-Based Records in the Kyrgyz Republic.
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Shauer D, Petrosyan O, Gemilyan M, Kamau EM, Thekkur P, Goncharova O, Gulmira K, Kyrbashov B, Istamov K, Kadyrov M, and Wilkinson E
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This study evaluated the effectiveness of an electronic system for managing individuals with drug-sensitive pulmonary tuberculosis in the Kyrgyz Republic. This cohort study used programmatic data. The study included people registered on the paper-based system in 2019 and 302 people registered on both the electronic and the paper-based systems between June 2021 and May 2022. The data from the 302 individuals were used to assess the completeness of each form of record and the concordance of the electronic record with the paper-based system. This study showed that for most variables, the completeness and concordance were 85.3-93.0% and were lowest for nonmandatory fields such as medication side effects (26.8% vs. 13.6%). No significant difference was observed in the time taken from symptom onset to diagnosis and treatment initiation between the two systems. However, the electronic system had a significantly higher percentage of subjects who initiated treatment on the day of diagnosis (80.3% vs. 57.1%). The proportion with successful outcomes was similar in both groups, but the electronic system had a significantly lower proportion of individuals with outcomes that were not evaluated or recorded (4.8% vs. 14.3%, p < 0.001). This study highlights the potential advantages and gaps associated with implementing an electronic TB register system for improving records.
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- 2023
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42. Improvement in Infection Prevention and Control Performance Following Operational Research in Sierra Leone: A Before (2021) and After (2023) Study.
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Margao S, Fofanah BD, Thekkur P, Kallon C, Ngauja RE, Kamara IF, Kamara RZ, Tengbe SM, Moiwo M, Musoke R, Fullah M, Kanu JS, Lakoh S, Kpagoi SSTK, Kamara KN, Thomas F, Mannah MT, Katawera V, and Zachariah R
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Introduction: Infection prevention and control (IPC) is crucial to limit health care-associated infections and antimicrobial resistance. An operational research study conducted in Sierra Leone in 2021 reported sub-optimal IPC performance and provided actionable recommendations for improvement., Methods: This was a before-and-after study involving the national IPC unit and all twelve district-level secondary public hospitals. IPC performance in 2021 (before) and in 2023 (after) was assessed using standardized World Health Organization checklists. IPC performance was graded as: inadequate (0-25%), basic (25.1-50%), intermediate (50.1-75%), and advanced (75.1-100%)., Results: The overall IPC performance in the national IPC unit moved from intermediate (58%) to advanced (78%), with improvements in all six core components. Four out of six components achieved advanced levels when compared to the 2021 levels. The median score for hospitals moved from basic (50%) to intermediate (59%), with improvements in six of eight components. Three of four gaps identified in 2021 at the national IPC unit and four of seven at hospitals had been addressed by 2023., Conclusions: The study highlights the role of operational research in informing actions that improved IPC performance. There is a need to embed operational research as part of the routine monitoring of IPC programs.
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- 2023
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43. Why TB programmes should assess for comorbidities, determinants and disability at the start and end of TB treatment.
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Harries AD, Lin Y, Thekkur P, Nair D, Chakaya J, Dongo JP, Luzze H, Chimzizi R, Mubanga A, Timire C, Kavenga F, Satyanarayana S, Kumar AMV, Khogali M, and Zachariah R
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- Humans, Antitubercular Agents therapeutic use, Comorbidity, Tuberculosis, Pulmonary epidemiology
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- 2023
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44. Managing Comorbidities, Determinants and Disability at Start and End of TB Treatment under Routine Program Conditions in China.
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Liu Y, Lin Y, Sun Y, Thekkur P, Cheng C, Li Y, Shi Y, Jiang J, Liao J, Nie C, Sun W, Liang C, Zhang X, Liu S, Ma Y, Berger SD, Satyanarayana S, Kumar AMV, Khogali M, Zachariah R, Golub JE, Li L, and Harries AD
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Many patients with tuberculosis (TB) have comorbidities, risk determinants and disability that co-exist at diagnosis, during and after TB treatment. We conducted an observational cohort study in 11 health facilities in China to assess under routine program conditions (i) the burden of these problems at the start and end of TB treatment and (ii) whether referral mechanisms for further care were functional. There were 603 patients registered with drug-susceptible TB who started TB treatment: 84% were symptomatic, 14% had diabetes, 14% had high blood pressure, 19% smoked cigarettes, 10% drank excess alcohol and in 45% the 6 min walking test (6MWT) was abnormal. Five patients were identified with mental health disorders. There were 586 (97%) patients who successfully completed TB treatment six months later. Of these, 18% were still symptomatic, 12% had diabetes (the remainder with diabetes failed to complete treatment), 5% had high blood pressure, 5% smoked cigarettes, 1% drank excess alcohol and 25% had an abnormal 6MWT. Referral mechanisms for the care of comorbidities and determinants worked well except for mental health and pulmonary rehabilitation for disability. There is need for more programmatic-related studies in other countries to build the evidence base for care of TB-related conditions and disability.
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- 2023
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45. Strengthening the Operational Research Capacity of National Tuberculosis Control Programs: Necessity or Luxury?
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Zachariah R, Goncharova O, Kamarli C, Bazikov T, Ahmedov S, Osmonaliev K, Harries AD, Davtyan H, Thekkur P, Kalmambetova G, and Kadyrov A
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'How to get research into practice: first get practice into research [...] .
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- 2023
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46. Contact Tracing and Tuberculosis Preventive Therapy for Household Child Contacts of Pulmonary Tuberculosis Patients in the Kyrgyz Republic: How Well Are We Doing?
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Kadyrov M, Thekkur P, Geliukh E, Sargsyan A, Goncharova O, Kulzhabaeva A, Kadyrov A, Khogali M, Harries AD, and Kadyrov A
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Early identification, screening and investigation for tuberculosis (TB), and provision of TB preventive therapy (TPT), reduces risk of TB among child household contacts of pulmonary TB patients (index patients). A cohort study was conducted to describe the care cascade and timeliness of contact tracing and TPT initiation among child household contacts (aged < 15 years) of index patients initiated on TB treatment in Bishkek, the Kyrgyz Republic during October 2021-September 2022. In the register, information on the number of child household contacts was available for 153 (18%) of 873 index patients. Of 297 child household contacts identified, data were available for 285, of whom 261 (92%) were screened for TB. More than 50% were screened after 1 month of the index patient initiating TB treatment. TB was diagnosed in 23/285 (9%, 95% CI: 6-13%) children. Of 238 TB-free children, 130 (55%) were eligible for TPT. Of the latter, 64 (49%) were initiated on TPT, of whom 52 (81%) completed TPT. While TPT completion was excellent, there was deficiency in contact identification, timely screening and TPT initiation. Thus, healthcare providers should diligently request and record details of child household contacts, adhere to contact tracing timelines and counsel caregivers regarding TPT.
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- 2023
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47. High level of infection prevention and control in surveyed hospitals in Colombia, 2021.
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Corredor SM, Abrahamyan A, Thekkur P, Reyes J, Celis Y, Cuellar C, and Zachariah R
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Objective: This study aimed to determine the performance of infection prevention and control (IPC) programs in eight core components in level 2 and level 3 hospitals across all provinces in Colombia., Methods: This cross-sectional study used self-assessed IPC performance data voluntarily reported by hospitals to the Ministry of Health and Social Protection during 2021. Each of the eight core components of the World Health Organization's checklist in the Infection Prevention and Control Assessment Framework contributes a maximum score of 100, and the overall IPC performance score is the sum of these component scores. IPC performance is graded according to the overall score as inadequate (0-200), basic (201-400), intermediate (401-600) or advanced (601-800)., Results: Of the 441 level 2 and level 3 hospitals, 267 (61%) reported their IPC performance. The median (interquartile range [IQR]) overall IPC score was 672 (IQR: 578-715). Of the 267 hospitals reporting, 187 (70%) achieved an advanced level of IPC. The median overall IPC score was significantly higher in private hospitals (690, IQR: 598-725) than in public hospitals (629, IQR: 538-683) ( P < 0.001). Among the core components, scores were highest for the category assessing IPC guidelines (median score: 97.5) and lowest for the category assessing workload, staffing and bed occupancy (median score: 70). Median overall IPC scores varied across the provinces ( P < 0.001)., Conclusions: This countrywide assessment showed that 70% of surveyed hospitals achieved a self-reported advanced level of IPC performance, which reflects progress in building health system resilience. Since only 61% of eligible hospitals participated, an important next step is to ensure the participation of all hospitals in future assessments.
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- 2023
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48. Bloodstream infections and antibiotic resistance at a regional hospital, Colombia, 2019-2021.
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Saavedra JC, Fonseca D, Abrahamyan A, Thekkur P, Timire C, Reyes J, Zachariah R, and Agudelo LG
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Objectives: To assess antibiotic susceptibility of World Health Organization (WHO) priority bacteria ( Acinetobacter baumannii, Escherichia coli, Klebsiella pneumoniae, Salmonella spp., Staphylococcus aureus , and Streptococcus pneumoniae ) in blood cultures at the Orinoquía regional hospital in Colombia., Methods: This was cross-sectional study using routine laboratory data for the period 2019-2021. Data on blood samples from patients suspected of a bloodstream infection were examined. We determined: the total number of blood cultures done and the proportion with culture yield; the characteristics of patients with priority bacteria; and the type of bacteria isolated and antibiotic resistance patterns., Results: Of 25 469 blood cultures done, 1628 (6%) yielded bacteria; 774 (48%) of these bacteria were WHO priority pathogens. Most of the priority bacteria isolated (558; 72%) were gram-negative and 216 (28%) were gram-positive organisms. Most patients with priority bacteria (666; 86%) were hospitalized in wards other than the intensive care unit, 427 (55%) were male, and 321 (42%) were ≥ 60 years of age. Of the 216 gram-positive bacteria isolated, 205 (95%) were Staphylococcus aureus . Of the 558 gram-negative priority bacteria isolated, the three most common were Escherichia coli (34%), Klebsiella pneumoniae (28%), and Acinetobacter baumannii (20%). The highest resistance of Staphylococcus aureus was to oxacillin (41%). For gram-negative bacteria, resistance to antibiotics ranged from 4% (amikacin) to 72% (ampicillin)., Conclusions: Bacterial yield from blood cultures was low and could be improved. WHO priority bacteria were found in all hospital wards. This calls for rigorous infection prevention and control standards and continued surveillance of antibiotic resistance.
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- 2023
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49. Antibiotic consumption in secondary and tertiary hospitals in Colombia: national surveillance from 2018-2020.
- Author
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Lopez M, Martinez A, Celis Bustos Y, Thekkur P, Nair D, Verdonck K, and Perez F
- Abstract
Objective: To assess the compliance in secondary and tertiary level hospitals with monthly reporting of antibiotic consumption to the Colombian National Public Health Surveillance System (SIVIGILA-INS), and to describe reported antibiotic consumption during 2018-2020., Methods: This study involved a secondary analysis of antibiotic consumption data reported to SIVIGILA-INS. Frequency of hospital reporting was assessed and compared against expected reports, disaggregated by intensive care units (ICU)/non-ICU wards and geographical regions. Consumption was expressed as defined daily dose (DDD) per 100 occupied beds for seven antibiotics., Results: More than 70% of hospitals reported antibiotic consumption at least once in each of the three years (79% in ICU and 71% in non-ICU wards). Of these, ICU monthly reporting was complete (12 monthly reports per year) for 59% in the period 2018-2019 but only 4% in 2020. Non-ICU reporting was complete for 52% in 2019 and for 2% in 2020. Most regions had an overall decrease in reporting in 2020. Analysis of antibiotic consumption showed an increase for piperacillin/tazobactam, ertapenem, and cefepime from 2019 to 2020., Conclusions: There were gaps in the consistency and frequency of reporting. Efforts are needed to improve compliance with monthly reporting, which declined in 2020, possibly due to the COVID-19 pandemic. Non-compliance on reporting and data quality issues should be addressed with the hospitals to enable valid interpretation of antibiotic consumption trends.
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- 2023
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- View/download PDF
50. High levels of antimicrobial resistance in Escherichia coli and Salmonella from poultry in Ecuador.
- Author
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Amancha G, Celis Y, Irazabal J, Falconi M, Villacis K, Thekkur P, Nair D, Perez F, and Verdonck K
- Abstract
Objective: To describe antimicrobial resistance profiles of Escherichia coli and Salmonella spp. isolated from chicken carcasses and the antimicrobials commonly used in animals in Ecuador and provide information on antimicrobial resistance patterns for implementing evidence-based corrective measures., Methods: Meat samples were collected from chicken carcasses in 199 slaughterhouses across Ecuador as part of a national pilot study for monitoring antimicrobial resistance in agricultural sources in 2019. Samples were tested for E. coli and Salmonella spp. Sensitivity to 10 critically important and three highly important antimicrobials (from a human health perspective) was assessed. The country report submitted to the World Organization for Animal Health was accessed to extract the quantity of antimicrobials produced or imported for use in animals., Results: Of 383 samples, E. coli was isolated from 148 (39%) and Salmonella spp. from 20 (5%) samples. Ninety percent of the isolates were resistant to at least one critically important antimicrobial. Resistance was highest to erythromycin ( E. coli 76%; Salmonella spp. 85%) and tetracycline ( E. coli 71%; Salmonella spp. 90%). Critically or highly important antimicrobials (colistin, tetracycline, trimethoprim/sulfamethoxazole) formed the bulk (87%) of antimicrobials used in animals as per the World Organization for Animal Health report., Conclusions: High prevalence of antimicrobial resistance in poultry in Ecuador calls for the development of guidelines and regulations on the use of antimicrobials and for engagement with livestock producers. The existing surveillance system needs to be strengthened to improve the monitoring of antimicrobial use and evolving resistance patterns.
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- 2023
- Full Text
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