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Lotto T, Renggli S, Kaale E, Masanja H, Ternon B, Décosterd LA, D'Acremont V, Genton B, Kulinkina AV. Prevalence and predictors of residual antibiotics in children's blood in community settings in Tanzania. Clin Microbiol Infect 2024; 30:1042-1048. [PMID: 38740136 DOI: 10.1016/j.cmi.2024.05.004] [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: 09/08/2023] [Revised: 04/30/2024] [Accepted: 05/07/2024] [Indexed: 05/16/2024]
Abstract
OBJECTIVES Children account for a significant proportion of antibiotic consumption in low- and middle-income countries, with overuse occurring in formal and informal health sectors. This study assessed the prevalence and predictors of residual antibiotics in the blood of children in the Mbeya and Morogoro regions of Tanzania. METHODS The cross-sectional community-based survey used two-stage cluster sampling to include children aged under 15 years. For each child, information on recent illness, healthcare-seeking behaviour, and use of antibiotics, as well as a dried blood spot sample, were collected. The samples underwent tandem mass spectrometry analysis to quantify the concentrations of 15 common antibiotics. Associations between survey variables and the presence of residual antibiotics were assessed using mixed-effects logistic regression. RESULTS In total, 1742 children were surveyed, and 1699 analysed. The overall prevalence of residual antibiotics in the blood samples was 17.4% (296/1699), the highest among children under the age of 5 years. The most frequently detected antibiotics were trimethoprim (144/1699; 8.5%), sulfamethoxazole (102/1699; 6.0%), metronidazole (61/1699; 3.6%), and amoxicillin (43/1699; 2.5%). The strongest predictors of residual antibiotics in the blood were observed presence of antibiotics at home (adjusted odds ratio [aOR] = 2.9; 95% CI, 2.0-4.1) and reported consumption of antibiotics in the last 2 weeks (aOR = 2.5; 95% CI, 1.6-3.9). However, half (145/296) of the children who had residual antibiotics in their blood, some with multiple antibiotics, had no reported history of illness or antibiotic consumption in the last 2 weeks, and antibiotics were not found at home. DISCUSSION This study demonstrated a high prevalence of antibiotic exposure among children in Tanzanian communities, albeit likely underestimated, especially for compounds with short half-lives. A significant proportion of antibiotic exposure was unexplained and may have been due to unreported self-medication or environmental pathways. Incorporating biomonitoring into surveillance strategies can help better understand exposure patterns and design antibiotic stewardship interventions.
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Affiliation(s)
- Theopista Lotto
- Swiss Tropical and Public Health Institute, Allschwil, Switzerland; University of Basel, Basel, Switzerland; Ifakara Health Institute, Dar es Salaam, Tanzania.
| | - Sabine Renggli
- Swiss Tropical and Public Health Institute, Allschwil, Switzerland; Ifakara Health Institute, Dar es Salaam, Tanzania
| | - Eliangiringa Kaale
- Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | | | - Beatrice Ternon
- Laboratory of Clinical Pharmacology, University Hospital, Lausanne
| | - Laurent Arthur Décosterd
- Laboratory of Clinical Pharmacology, University Hospital, Lausanne; University of Lausanne, Lausanne, Switzerland
| | - Valérie D'Acremont
- Swiss Tropical and Public Health Institute, Allschwil, Switzerland; University of Basel, Basel, Switzerland; University of Lausanne, Lausanne, Switzerland; Centre for Primary Care and Public Health, Lausanne, Switzerland
| | - Blaise Genton
- University of Lausanne, Lausanne, Switzerland; Centre for Primary Care and Public Health, Lausanne, Switzerland
| | - Alexandra V Kulinkina
- Swiss Tropical and Public Health Institute, Allschwil, Switzerland; University of Basel, Basel, Switzerland
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Mumali RK, Okolimong C, Kabuuka T, Lubaale YM, Okibure A, Okello F, Soita D, Olupot-Olupot P. Health workers' adherence to the malaria test, treat and track strategy during the COVID-19 pandemic in malaria high transmission area in Eastern Uganda. Malar J 2023; 22:360. [PMID: 38012638 PMCID: PMC10680176 DOI: 10.1186/s12936-023-04786-x] [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: 06/06/2023] [Accepted: 11/08/2023] [Indexed: 11/29/2023] Open
Abstract
BACKGROUND Coronavirus disease 2019 (COVID-19) pandemic affected malaria control activities in sub-Saharan Africa (SSA) resulting in 690,000 excess deaths in the year 2021. The authors hypothesized that COVID-19 affected the World Health Organization (WHO) Test, Treat and Track (T3) strategy that has been implemented in Uganda since 2010. In this study, health worker's adherence to the T3 strategy during COVID-19 pandemic in Eastern Uganda was studied by assessing their knowledge, skills and practices. METHODS A cross-sectional study utilizing mixed quantitative and qualitative data collections methods was conducted at Mbale Regional Referral Hospital in Eastern Uganda between November and December in 2020. Data were captured on demographics, knowledge, skills and practices for both health workers (HWs) and patients. Quantitative data were analysed using STATA 15.0 and reported as descriptive statistics, proportions and statistical associations. Moreover, qualitative data were collected via key informant interviews (KII) among purposively sampled study participants and analysed thematically using NVIVO software. Ethical approval was obtained prior to the study. RESULTS A total of 436 study participants, of whom 103/436 (24%) and 333/436 (76%) were HWs and patients, respectively were studied. Among the HWs with mean age of 34 years (SD = 8.8 years), 81/103 (79%) had good practices, most 63/103 (61%) had good knowledge, and only 11/103 (10.7%) had good skills. Specifically, on the cadres, the laboratory personnel 19/103 (18%) had good knowledge 14/19 (74%) OR: 2.0 (95% CI 0.7-6) and were highly skilled OR: 4.6 (95% CI 1.2-18.1; P < 0.0150) compared to other cadres, respectively. Among the patients whose age ranged 3 months to 80 years (mean 17.8 years) and females 177/333 (53%); a majority 257/333 (77%) were tested, of whom 139/333 (42%) tested positive. Out of the positive cases, 115/333 (35%) were treated and tracked. About 75/333 (23%) were not tested but treated for malaria. Of the 168/239 (70.3%) patients tested, 115/168 (68.5%) were positive and treated, P = 0.0001. The KII revealed low level of In-service training, overwhelming number of patients and stock-out of supplies as a key factor for poor HW adherence to T3 strategy. CONCLUSIONS During COVID-19 pandemic period HWs adherence to T3 initiative was low as 27% malaria patients did not receive treatment.
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Affiliation(s)
- Richard Kabaka Mumali
- Department of Community and Public Health, Busitema University Faculty of Health Sciences, Mbale, Uganda.
- National Agricultural Research Organization (NARO), National Livestock Resources Research Institute (NaLIRRI), P.O. Box 5704, Kampala, Uganda.
| | - Charles Okolimong
- Department of Community and Public Health, Busitema University Faculty of Health Sciences, Mbale, Uganda
| | - Tonny Kabuuka
- National Agricultural Research Organization (NARO), National Livestock Resources Research Institute (NaLIRRI), P.O. Box 5704, Kampala, Uganda
| | - Yovani Moses Lubaale
- Department of Community and Public Health, Busitema University Faculty of Health Sciences, Mbale, Uganda
| | | | - Francis Okello
- Department of Community and Public Health, Busitema University Faculty of Health Sciences, Mbale, Uganda
- Varimetrics Group Limited, Mbale, Uganda
| | - David Soita
- Department of Community and Public Health, Busitema University Faculty of Health Sciences, Mbale, Uganda
| | - Peter Olupot-Olupot
- Department of Community and Public Health, Busitema University Faculty of Health Sciences, Mbale, Uganda
- Mbale Clinical Research Institute, P.O. Box 1966, Mbale, Uganda
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Azizi H, Davtalab Esmaeili E, Abbasi F. Availability of malaria diagnostic tests, anti-malarial drugs, and the correctness of treatment: a systematic review and meta-analysis. Malar J 2023; 22:127. [PMID: 37072759 PMCID: PMC10111310 DOI: 10.1186/s12936-023-04555-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 04/07/2023] [Indexed: 04/20/2023] Open
Abstract
BACKGROUND Health facilities' availability of malaria diagnostic tests and anti-malarial drugs (AMDs), and the correctness of treatment are critical for the appropriate case management, and malaria surveillance programs. It is also reliable evidence for malaria elimination certification in low-transmission settings. This meta-analysis aimed to estimate summary proportions for the availability of malaria diagnostic tests, AMDs, and the correctness of treatment. METHODS The Web of Science, Scopus, Medline, Embase, and Malaria Journal were systematically searched up to 30th January 2023. The study searched any records reporting the availability of diagnostic tests and AMDs and the correctness of malaria treatment. Eligibility and risk of bias assessment of studies were conducted independently in a blinded way by two reviewers. For the pooling of studies, meta-analysis using random effects model were carried out to estimate summary proportions of the availability of diagnostic tests, AMDs, and correctness of malaria treatment. RESULTS A total of 18 studies, incorporating 7,429 health facilities, 9,745 health workers, 41,856 febrile patients, and 15,398 malaria patients, and no study in low malaria transmission areas, were identified. The pooled proportion of the availability of malaria diagnostic tests, and the first-line AMDs in health facilities was 76% (95% CI 67-84); and 83% (95% CI 79-87), respectively. A pooled meta-analysis using random effects indicates the overall proportion of the correctness of malaria treatment 62% (95% CI 54-69). The appropriate malaria treatment was improved over time from 2009 to 2023. In the sub-group analysis, the correctness of treatment proportion was 53% (95% CI 50-63) for non-physicians health workers and 69% (95% CI 55-84) for physicians. CONCLUSION Findings of this review indicated that the correctness of malaria treatment and the availability of AMDs and diagnostic tests need improving to progress the malaria elimination stage.
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Affiliation(s)
- Hosein Azizi
- Research Centre for Evidence-Based Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
| | | | - Fariba Abbasi
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Diseases Control and Prevention, Vice-chancellor for Health, Tabriz University of Medical Sciences, Tabriz, Iran
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Mariki M, Mduma N, Mkoba E. Characterisation of Malaria Diagnosis Data in High and Low Endemic Areas of Tanzania. East Afr Health Res J 2022; 6:171-179. [PMID: 36751682 PMCID: PMC9887499 DOI: 10.24248/eahrj.v6i2.696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 11/25/2022] [Indexed: 01/01/2023] Open
Abstract
Background Malaria remains a significant cause of morbidity and mortality, especially in the sub-Saharan African region. Malaria is considered preventable and treatable, but in recent years, it has increased outpatient visits, hospitalisation, and deaths worldwide, reaching a 9% prevalence in Tanzania. With the massive number of patient records in the health facilities, this study aims to understand the key characteristics and trends of malaria diagnostic symptoms, testing and treatment data in Tanzania's high and low endemic regions. Methods This study had retrospective and cross-sectional designs. The data were collected from four facilities in two regions in Tanzania, i.e., Morogoro Region (high endemicity) and Kilimanjaro Region (low endemicity). Firstly, malaria patient records were extracted from malaria patients' files from 2015 to 2018. Data collected include (i) the patient's demographic information, (ii) the symptoms presented by the patient when consulting a doctor, (iii) the tests taken and results, (iv) diagnosis based on the laboratory results and (v) the treatment provided. Apart from that, we surveyed patients who visited the health facility with malaria-related symptoms to collect extra information such as travel history and the use of malaria control initiatives such as insecticide-treated nets. A descriptive analysis was generated to identify the frequency of responses. Correlation analysis random effects logistic regression was performed to determine the association between malaria-related symptoms and positivity. Significant differences of p < 0.05 (i.e., a Confidence Interval of 95%) were accepted. Results Of the 2556 records collected, 1527(60%) were from the high endemic area, while 1029(40%) were from the low endemic area. The most observed symptoms were the following: for facilities in high endemic regions was fever followed by headache, vomiting and body pain; for facilities in the low endemic region was high fever, sweating, fatigue and headache. The results showed that males with malaria symptoms had a higher chance of being diagnosed with malaria than females. Most patients with fever had a high probability of being diagnosed with malaria. From the interview, 68% of patients with malaria-related symptoms treated themselves without proper diagnosis. Conclusions Our data indicate that proper malaria diagnosis is a significant concern. The majority still self-medicate with anti-malaria drugs once they experience any malaria-related symptoms. Therefore, future studies should explore this challenge and investigate the potentiality of using malaria diagnosis records to diagnose the disease.
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Affiliation(s)
- Martina Mariki
- Department of Information Communication Science and Engineering, Nelson Mandela African Institution of Science and Technology, Arusha, Tanzania
| | - Neema Mduma
- Department of Information Communication Science and Engineering, Nelson Mandela African Institution of Science and Technology, Arusha, Tanzania
| | - Elizabeth Mkoba
- Department of Information Communication Science and Engineering, Nelson Mandela African Institution of Science and Technology, Arusha, Tanzania
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Azizi H, Majdzadeh R, Ahmadi A, Esmaeili ED, Naghili B, Mansournia MA. Health workers readiness and practice in malaria case detection and appropriate treatment: a meta-analysis and meta-regression. Malar J 2021; 20:420. [PMID: 34689791 PMCID: PMC8543935 DOI: 10.1186/s12936-021-03954-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 10/15/2021] [Indexed: 12/02/2022] Open
Abstract
Background Health workers (HWs) appropriate malaria case management includes early detection and prompt treatment with appropriate anti-malarial drugs. Subsequently, HWs readiness and practice are considered authentic evidence to measure the health system performance regarding malaria control programme milestones and to issue malaria elimination certification. There is no comprehensive evidence based on meta-analysis, to measure the performance of HWs in case management of malaria. This study aimed to evaluate HWs performance in early malaria case detection (testing) and the appropriate treatment. Methods The published literature in English was systematically searched from Medline, Scopus, Embase, and Malaria Journal up to 30th December 2020. The inclusion criteria were any studies that assessed HWs practice in early case detection by malaria testing and appropriate treatment. Eligibility assessment of records was performed independently in a blinded, standardized way by two reviewers. Pooled prevalence estimates were stratified by HWs cadre type. Meta-regression analysis was performed to explore the impact of the appropriateness of the method and risk of bias as potential sources of the heterogeneity in the presence of effective factors. Results The study pooled data of 9245 HWs obtained from 15 included studies. No study has been found in eliminating settings. The pooled estimate for appropriate malaria treatment and malaria testing were 60%; 95% CI: 53–67% and 57%; 95% CI: 49–65%, respectively. In the final multivariable meta-regression, HWs cadre and numbers, appropriateness of study methods, malaria morbidity and mortality, total admissions of malaria suspected cases, gross domestic product, availability of anti-malarial drugs, and year of the publication were explained 85 and 83% of the total variance between studies and potential sources of the heterogeneity for malaria testing and treating, respectively. Conclusion HWs adherence to appropriate malaria case management guidelines were generally low while no study has been found in eliminating countries. Studies with the inappropriateness methods and risk of bias could be overestimating the actual proportion of malaria appropriate testing and treating. Strategies that focus on improving readiness and early identification of acute febrile diseases especially in the countries that progress to malaria elimination should be highly promoted.
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Affiliation(s)
- Hosein Azizi
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Majdzadeh
- School of Public Health, Knowledge Utilization Research Center, and Community Based Participatory Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ayat Ahmadi
- Knowledge Utilization Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Elham Davtalab Esmaeili
- Research Center of Psychiatry and Behavioral Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.,Road Traffic Injury Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behrouz Naghili
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Ali Mansournia
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
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van de Maat J, De Santis O, Luwanda L, Tan R, Keitel K. Primary Care Case Management of Febrile Children: Insights From the ePOCT Routine Care Cohort in Dar es Salaam, Tanzania. Front Pediatr 2021; 9:626386. [PMID: 34123960 PMCID: PMC8192830 DOI: 10.3389/fped.2021.626386] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 04/26/2021] [Indexed: 11/23/2022] Open
Abstract
Aim: To provide insight in the primary health care (PHC) case management of febrile children under-five in Dar es Salaam, and to identify areas for improving quality of care. Methods: We used data from the routine care arm of the ePOCT trial, including children aged 2-59 months who presented with an acute febrile illness to two health centers in Dar es Salaam (2014-2016). The presenting complaint, anthropometrics, vital signs, test results, final diagnosis, and treatment were prospectively collected in all children. We used descriptive statistics to analyze the frequencies of diagnoses, adherence to diagnostics, and prescribed treatments. Results: We included 547 children (47% male, median age 14 months). Most diagnoses were viral: upper respiratory tract infection (60%) and/or gastro-enteritis (18%). Vital signs and anthropometric measurements taken by research staff and urinary testing failed to influence treatment decisions. In total, 518/547 (95%) children received antibiotics, while 119/547 (22%) had an indication for antibiotics based on local guidelines. Antibiotic dosing was frequently out of range. Non-recommended treatments were common (29%), most often cough syrup and vitamins. Conclusion: Our study points to challenges in using diagnostic test results, concerns regarding quality of antibiotic prescriptions, and frequent use of non-evidence-based complementary medicines in PHC in Tanzania. Larger studies on diagnostic and treatments processes in PHC in Tanzania are needed to inform effective solutions to support PHC workers in case management of children.
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Affiliation(s)
- Josephine van de Maat
- Radboudumc, Department of Internal Medicine and Radboudumc Center for Infectious Diseases, Nijmegen, Netherlands.,Erasmus MC - Sophia, Department of General Paediatrics, Rotterdam, Netherlands
| | - Olga De Santis
- Unisanté - University Center for General Medicine and Public Health, Lausanne, Switzerland
| | | | - Rainer Tan
- Unisanté - University Center for General Medicine and Public Health, Lausanne, Switzerland.,Swiss Tropical and Public Health Institute, Basel, Switzerland
| | - Kristina Keitel
- Swiss Tropical and Public Health Institute, Basel, Switzerland.,Department of Pediatric Emergency Medicine, Department of Pediatrics, University Hospital, Inselspital Bern, University of Bern, Bern, Switzerland
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Hetzel MW, Genton B. Mass drug administration for malaria elimination: do we understand the settings well enough? BMC Med 2018; 16:239. [PMID: 30563509 PMCID: PMC6299650 DOI: 10.1186/s12916-018-1230-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 12/05/2018] [Indexed: 12/30/2022] Open
Abstract
Mass drug administration (MDA) of antimalarials has re-emerged as a recommended tool for interrupting malaria transmission, but evidence from low endemicity settings is scarce. A trial in Zanzibar found that two rounds of MDA made no significant impact on malaria incidence, and many questions on the optimal mode and setting for implementing MDA remain unanswered. A more thorough understanding of local sources and drivers of transmission, and a better toolbox for evaluating interventions in near-elimination settings are essential.Please see related research article: https://bmcmedicine.biomedcentral.com/articles/10.1186/s12916-018-1202-8 .
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Affiliation(s)
- Manuel W Hetzel
- Swiss Tropical and Public Health Institute, P.O. Box, 4002, Basel, Switzerland. .,University of Basel, Petersplatz 1, 4003, Basel, Switzerland.
| | - Blaise Genton
- Swiss Tropical and Public Health Institute, P.O. Box, 4002, Basel, Switzerland.,University of Basel, Petersplatz 1, 4003, Basel, Switzerland.,Division of Infectious Diseases and Department of Community Health, University Hospital (CHUV), Rue du Bugnon 44, 1011, Lausanne, Switzerland
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Gallay J, Pothin E, Mosha D, Lutahakana E, Mazuguni F, Zuakulu M, Decosterd LA, Genton B. Predictors of residual antimalarial drugs in the blood in community surveys in Tanzania. PLoS One 2018; 13:e0202745. [PMID: 30192770 PMCID: PMC6128528 DOI: 10.1371/journal.pone.0202745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 08/08/2018] [Indexed: 01/09/2023] Open
Abstract
Background Understanding pattern of antimalarials use at large scale helps ensuring appropriate use of treatments and preventing the spread of resistant parasites. We estimated the proportion of individuals in community surveys with residual antimalarials in their blood and identified the factors associated with the presence of the most commonly detected drugs, lumefantrine and/or desbutyl-lumefantrine (LF/DLF) or sulfadoxine-pyrimethamine (SP). Methods A cross-sectional survey was conducted in 2015 in three regions of Tanzania with different levels of malaria endemicity. Interviews were conducted and blood samples collected through household surveys for further antimalarial measurements using liquid chromatography coupled to tandem mass spectrometry. In addition, diagnosis and treatment availability was investigated through outlet surveys. Multilevel mixed effects logistic regression models were used to estimate odds ratios for having LF/DLF or SP in the blood. Results Amongst 6391 participants, 12.4% (792/6391) had LF/DLF and 8.0% (510/6391) SP in the blood. Factors associated with higher odds of detecting LF/DLF in the blood included fever in the previous two weeks (OR = 2.6, p<0.001), living in districts of higher malaria prevalence (OR = 1.5, p<0.001) and living in a ward in which all visited drug stores had artemisinin-based combination therapies in stocks (OR = 2.7, p = 0.020). Participants in older age groups were less likely to have LF/DLF in the blood (OR = 0.9, p<0.001). Factors associated with higher odds of having SP in the blood included being pregnant (OR = 4.6, p<0.001), living in Mwanza (OR = 3.9, p<0.001 compared to Mbeya), fever in the previous two weeks (OR = 1.7, p<0.001) and belonging to older age groups (OR = 1.2, p<0.001). Conclusion The most significant predictors identified were expected. History of fever in the past two weeks and young age were significant predictors of LF/DLF in the blood, which is encouraging. Antimalarial drug pressure was high and hence the use of recommended first-line drugs in combination with malaria Rapid Diagnostics Tests should be promoted to ensure appropriate treatment.
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Affiliation(s)
- Joanna Gallay
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
- Service and Laboratory of Clinical Pharmacology, University Hospital, Lausanne, Switzerland
- * E-mail:
| | - Emilie Pothin
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | | | | | | | | | | | - Blaise Genton
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
- Division of Infectious Diseases and Department of Community Health, University Hospital, Lausanne, Switzerland
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