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Gutata D. A Case Series: A Mother and Daughter with a Critically Low Hemoglobin Level Resulting from Severe Anemia Secondary to Malaria. Int Med Case Rep J 2024; 17:149-155. [PMID: 38495806 PMCID: PMC10941984 DOI: 10.2147/imcrj.s448712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 03/07/2024] [Indexed: 03/19/2024] Open
Abstract
Background Malaria can lead to anemia, a condition marked by a reduction in red blood cells or lower than typical levels of hemoglobin. This condition mainly affects women and children and, in severe cases, can hinder the cognitive and motor development of children. It also poses significant risks for pregnant women and their unborn children. Case presentation An 18-month-old girl and her mother, referred from conflict-affected West Wollega, Ethiopia due to severe malaria, were admitted to Assosa General Hospital, Ethiopia, with critical health indicators. The daughter (case 1) had a hemoglobin level of 0.8 g/dL, a red blood cell count of 0.44 × 10^6u/L, an oxygen saturation of 90%, a body temperature of 36.6 °C, a heartbeat of 132 beats per minute, and a respiratory rate of 48 breaths per minute. She displayed signs of pale conjunctivitis and severe palmar paleness, and weighed 7 kg. The mother(case 2), aged 35, also had a history of severe malaria and presented with a critically low hemoglobin level of 2.5g/dL and a red blood cell count of 0.75 × 10^6u/L, with an oxygen saturation of 89%. Blood transfusion and malaria treatment were administered, and by the end of their hospital stay, both cases' symptoms had resolved, and they returned to normal baseline vital signs, including their hemoglobin levels. Conclusions Severely low hemoglobin levels, worsened by severe malaria, present a significant danger in cases of anemia. As far as I am aware, this might be the lowest hemoglobin level recorded. Promoting awareness, economic empowerment initiatives, alongside routine provision of iron supplements and Prompt malaria diagnosis and treatment to create a comprehensive approach that addresses the multifaceted challenges posed by anemia, ultimately leading to improved health outcomes for vulnerable populations.
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Affiliation(s)
- Dano Gutata
- Quality Improvement Unit, Assosa General Hospital, Assosa, Benishangul-Gumuz, Ethiopia
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2
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Gonete TZ, Asseffa NA, Gashu KD, Tilahun B, Angaw DA, Jisso M, Tamiso A, Alemayehu A, Fikre R, Abdisa B, Sime H, Yesuf EA, Umer A, Kebede M, Mohammed H, Yazie B, Gurmu KK, Endehabtu BF. Communicable and Non-communicable Diseases Diagnosis and Treatment Service Availability at Primary Health Care Units During COVID-19 Outbreak in Ethiopia. Ethiop J Health Sci 2023; 33:95-104. [PMID: 38352666 PMCID: PMC10859742 DOI: 10.4314/ejhs.v33i2.3s] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 07/09/2023] [Indexed: 02/16/2024] Open
Abstract
Background Non-communicable diseases (NCDs) pose a substantial global health challenge, resulting in an annual death toll of over 15 million individuals aged 30 to 69. Ethiopia, categorized as COVID-19 vulnerable, grapples with NCD treatment challenges. This study aims to assess disease service availability at primary health units in Ethiopia during the pandemic. Methods A facility-based cross-sectional study was conducted from October to December 2021 across regions, encompassing 452 facilities: 92 health centers, 16 primary hospitals, 344 health posts, and 43 districts. Facility selection, based on consultation with regional health bureaus, included high, medium, and low performing establishments. The study employed the WHO tool for COVID-19 capacity assessment and evaluated services for various diseases using descriptive analysis. Results Results reveal service disruptions in the past year: hospitals (55.6%), health centers (21.7%), districts (30.2%), and health posts (17.4%). Main reasons were equipment shortages (42%), lack of skilled personnel (24%), and insufficient infection prevention supplies (18.8%). While tuberculosis treatment was fully available in 23% of health posts and malaria services in 65.7%, some health centers lacked HIV/AIDS, cardiovascular, mental health, and cervical cancer services. Most communicable and non-communicable disease diagnoses and treatments were fully accessible at primary hospitals, except for cervical cancer (56.3%) and mental health (62.5%) services. Conclusion Significant gaps exist in expected services at primary health units. Improving disease care accessibility necessitates strengthening the supply chain, resource management, capacity building, and monitoring systems.
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Affiliation(s)
- Tajebew Zayede Gonete
- University of Gonder, College of Medicine and Health Science, Institute of Public Health, Gonder, Ethiopia
| | | | - Kassahun Dessie Gashu
- University of Gonder, College of Medicine and Health Science, Institute of Public Health, Gonder, Ethiopia
| | - Binyam Tilahun
- University of Gonder, College of Medicine and Health Science, Institute of Public Health, Gonder, Ethiopia
| | - Dessies Abebaw Angaw
- University of Gonder, College of Medicine and Health Science, Institute of Public Health, Gonder, Ethiopia
| | - Meskerem Jisso
- Hawassa University, College of Medicine and Health Sciences, Hawassa, Ethiopia
| | - Alemu Tamiso
- Hawassa University, College of Medicine and Health Sciences, Hawassa, Ethiopia
| | - Akalewold Alemayehu
- Hawassa University, College of Medicine and Health Sciences, Hawassa, Ethiopia
| | - Rekiku Fikre
- Hawassa University, College of Medicine and Health Sciences, Hawassa, Ethiopia
| | - Biru Abdisa
- Jimma University, Institute of Health, Jimma, Ethiopia
| | - Habtamu Sime
- Jimma University, Institute of Health, Jimma, Ethiopia
| | | | - Abdurezak Umer
- Dire Dawa University, College of Medicine and Health Sciences, Dire Dawa, Ethiopia
| | - Mesfin Kebede
- Dire Dawa University, College of Medicine and Health Sciences, Dire Dawa, Ethiopia
| | - Hussen Mohammed
- Dire Dawa University, College of Medicine and Health Sciences, Dire Dawa, Ethiopia
| | - Bekele Yazie
- Dire Dawa University, College of Medicine and Health Sciences, Dire Dawa, Ethiopia
| | - Kassu Ketema Gurmu
- World Health Organization Country Office for Ethiopia, Universal Health Coverage/Life Course, Health System Strengthening Team, Addis Ababa, Ethiopia
| | - Berhanu Fikadie Endehabtu
- University of Gonder, College of Medicine and Health Science, Institute of Public Health, Gonder, Ethiopia
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3
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The Occurrence and Distribution of Plasmodium Species in Woyn Wuha Health Center, Ethiopia. BIOMED RESEARCH INTERNATIONAL 2022; 2022:2881879. [PMID: 36105932 PMCID: PMC9467730 DOI: 10.1155/2022/2881879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 08/09/2022] [Accepted: 08/20/2022] [Indexed: 12/05/2022]
Abstract
Plasmodium species is an important causative agent of malaria in the world including Ethiopia, and the majority of people were at risk of infection. The study's general objective was to determine the occurrence and distribution of Plasmodium species in the study area through microscopic examination of blood films. A cross-sectional study was carried out in the study sites from September 2016 to February 2017. Out of 512 participants, 32 (6.25%) were malaria positive. Of these, 17 (53.12%, 95% CI: 0.358, 0.704) were P. vivax, 12 (37.5%, 95% CI: 0.207, 0.543) P. falciparum, and 3 (9.375%, 95% CI: -0.007, 0.195) mixed out of the total positive case. The occurrence of parasites was greater in rural villages (59.375%) than in urban villages (40.625%) but not significant (χ2 = 1.2917, df = 1, p = 0.2557). More males were infected compared to females but not significant (χ2 = 0.0005665, df = 1, p = 0.981). The monthly distribution of Plasmodium species was higher in September and October but there was no significant variation in each month (χ2 = 10.142, p = 0.4281). Due to the high occurrence of Plasmodium vivax in the study area, the result contrasts with the national figure of the Plasmodium species report. The result of the current study may be useful to those individuals who work in Plasmodium species control and prevention program.
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Choi JH, Chin LK, Woo BM, Song Y, Seol MJ, Hong Y, Liu AQ, Jang S, Ploegh H, Im H, Lee D. Hydrogel-Based Stamping Technology for Solution-Free Blood Cell Staining. ACS APPLIED MATERIALS & INTERFACES 2021; 13:22124-22130. [PMID: 33870697 DOI: 10.1021/acsami.0c22521] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
An accurate microscopical analysis of blood smears requires a reproducible and convenient method of staining. Solution-based staining procedures can be cumbersome. Especially in low- and middle-income countries, the lack of skilled technicians and adequate laboratory facilities, as well as insufficient water and reagent quality, often become confounding factors. To overcome these obstacles, we developed a new cell staining method based on sequential stamping of agarose gel patches that contain eosin, methylene blue/oxidized methylene blue, Azure B, and buffer, respectively. Our method, termed "hydrogel staining", provides a simple, reproducible, solution-free, and inexpensive approach to stain blood cells. We have optimized incubation times to achieve the optimal transfer of dyes to fixed blood cells on a glass slide, with outcomes comparable to conventional solution-based methods for white blood cells and malaria-infected red blood cells. This hydrogel staining method does not require special skills to produce excellent quality stained blood film slides. The new method could enhance the accuracy of microscopical examination of blood smears, especially in resource-limited settings.
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Affiliation(s)
- Jae-Hyeok Choi
- Noul Co. Limited, B-10F, 338, Gwanggyojungang-ro, Suji-gu, Yongin-si, Gyeonggi-do 16942, Republic of Korea
| | - Lip Ket Chin
- Center for Systems Biology, Massachusetts General Hospital, 185 Cambridge Street, Boston, Massachusetts 02114, United States
| | - Bo Mee Woo
- Noul Co. Limited, B-10F, 338, Gwanggyojungang-ro, Suji-gu, Yongin-si, Gyeonggi-do 16942, Republic of Korea
| | - Younghoon Song
- Noul Co. Limited, B-10F, 338, Gwanggyojungang-ro, Suji-gu, Yongin-si, Gyeonggi-do 16942, Republic of Korea
| | - Min Jeong Seol
- Noul Co. Limited, B-10F, 338, Gwanggyojungang-ro, Suji-gu, Yongin-si, Gyeonggi-do 16942, Republic of Korea
| | - Yoontaik Hong
- Noul Co. Limited, B-10F, 338, Gwanggyojungang-ro, Suji-gu, Yongin-si, Gyeonggi-do 16942, Republic of Korea
| | - Ai-Qun Liu
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Seongsoo Jang
- College of Medicine, University of Ulsan, 88 Olympic-ro 43-Gil, Songpa-gu, Seoul 05505, Republic of Korea
- Asan Medical Center, 88, Olympic-ro 43-Gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Hidde Ploegh
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, 300 Longwood Avenue, Boston, Massachusetts 02115, United States
| | - Hyungsoon Im
- Center for Systems Biology, Massachusetts General Hospital, 185 Cambridge Street, Boston, Massachusetts 02114, United States
- Department of Radiology, Massachusetts General Hospital, 55 Fruit Street, Boston, Massachusetts 02114, United States
| | - Dongyoung Lee
- Noul Co. Limited, B-10F, 338, Gwanggyojungang-ro, Suji-gu, Yongin-si, Gyeonggi-do 16942, Republic of Korea
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Challi S, Miecha H, Damtie D, Shumie G, Chali W, Hailu T, Balcha TT, Tadesse FG, Gadisa E. The Unmet Need: Low Performance of Laboratory Professionals in Malaria Microscopy, Oromia Regional State, Ethiopia. Am J Trop Med Hyg 2020; 102:117-120. [PMID: 31733053 DOI: 10.4269/ajtmh.19-0106] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Ethiopia aims to diagnose and treat all clinical malaria within 24 hours of fever onset in its stride to eliminate the disease by 2030. Microscopy remains to be the mainstay for diagnosis at the health center and hospital level. Continuous evaluation and performance upgrading of malaria microscopists is one of the cornerstones in this effort. We assessed the performance of malaria microscopists compared with reference readers in diagnosing, identifying the species, and quantifying parasitemia. A total of 174 microscopists were enrolled from health facilities located in 86 districts in Oromia region (Ethiopia) from January 2017 to June 2018. Panel slides with known Plasmodium species, diagnostic blood stage, and parasite density were prepared by the reference readers. Sociodemographics, education, in-service training, and routine practice of participants were captured. Sensitivity, specificity, percent agreement, and kappa score were calculated. An overall low performance was observed that could threaten the malaria diagnostic service. Of all the slides distributed (1,218), only 17.0% of the positive and 30.0% of the negative slides were correctly identified and 22.4% were correctly quantified. Compared with the reference readers, participants had lower competence in diagnosing (74.3% agreement and kappa 0.45) and identifying the species (71.2% agreement and kappa 0.40). Two-fifths of the participants were graded as "in training" with respect to identifying the species (41.0%) and the diagnostic stages (40.0%). An in-service training/retraining and supportive supervision are needed to raise and maintain the competence of microscopists in settings with a recent decline in malaria transmission and aiming for ultimate elimination of the disease.
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Affiliation(s)
- Sagni Challi
- Malaria and Neglected Tropical Diseases Research Directorate, Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Hirpa Miecha
- Oromia Regional Health Bureau, Addis Ababa, Ethiopia
| | - Demekech Damtie
- Malaria and Neglected Tropical Diseases Research Directorate, Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Girma Shumie
- Malaria and Neglected Tropical Diseases Research Directorate, Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Wakweya Chali
- Malaria and Neglected Tropical Diseases Research Directorate, Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Tsegaye Hailu
- Malaria and Neglected Tropical Diseases Research Directorate, Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Taye Tolera Balcha
- Malaria and Neglected Tropical Diseases Research Directorate, Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Fitsum G Tadesse
- Department of Medical Microbiology, Radboud University Medical Center, Nijmegen, The Netherlands.,Institute of Biotechnology, Addis Ababa University, Addis Ababa, Ethiopia.,Malaria and Neglected Tropical Diseases Research Directorate, Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Endalamaw Gadisa
- Malaria and Neglected Tropical Diseases Research Directorate, Armauer Hansen Research Institute, Addis Ababa, Ethiopia
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6
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Mwogi T, Mercer T, Tran DN(T, Tonui R, Tylleskar T, Were MC. Therapeutic turnaround times for common laboratory tests in a tertiary hospital in Kenya. PLoS One 2020; 15:e0230858. [PMID: 32267844 PMCID: PMC7141613 DOI: 10.1371/journal.pone.0230858] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 03/10/2020] [Indexed: 11/18/2022] Open
Abstract
METHODS We evaluated therapeutic TAT for a tertiary hospital in Western Kenya, using a time-motion study focusing specifically on common hematology and biochemistry orders. The aim was to determine significant bottlenecks in diagnostic testing processes at the institution. RESULTS A total of 356 (155 hematology and 201 biochemistry) laboratory tests were fully tracked from the time of ordering to availability of results to care providers. The total therapeutic TAT for all tests was 21.5 ± 0.249 hours (95% CI). The therapeutic TAT for hematology was 20.3 ± 0.331 hours (95% CI) while that for biochemistry tests was 22.2 ± 0.346 hours (95% CI). Printing, sorting and dispatch of the printed results emerged as the most significant bottlenecks, accounting for up to 8 hours of delay (Hematology-8.3 ± 1.29 hours (95% CI), Biochemistry-8.5 ± 1.18 hours (95% CI)). Time of test orders affected TAT, with orders made early in the morning and those in the afternoon experiencing the most delays in TAT. CONCLUSION Significant inefficiencies exist at multiple steps in the turnaround times for routine laboratory tests at a large referral hospital within an LMIC setting. Multiple opportunities exist to improve TAT and streamline processes around diagnostic testing in this and other similar settings.
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Affiliation(s)
- Thomas Mwogi
- Centre for International Health, University of Bergen, Bergen, Norway
- Directorate of Medicine, Moi Teaching and Referral Hospital, Eldoret, Uasin Gishu, Kenya
- Institute of Biomedical Informatics, Moi University, Eldoret, Uasin Gishu, Kenya
| | - Tim Mercer
- Department of Population Health, The University of Texas at Austin Dell Medical School, Austin, Texas, United States of America
| | - Dan N. (Tina) Tran
- Department of Pharmacy Practice, College of Pharmacy, Purdue University, West Lafeyette, IN, United States of America
| | - Ronald Tonui
- Department of Immunology, Moi University, Eldoret, Uasin Gishu, Kenya
- Laboratory Services Division, Moi Teaching and Referral Hospital, Eldoret, Kenya
| | | | - Martin C. Were
- Department of Biomedical Informatics and Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
- Vanderbilt Institute for Global Health, Nashville, TN, United States of America
- Institute of Biomedical Informatics, Moi University, Eldoret, Uasin Gishu, Kenya
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7
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Taye BW. A Path to Ending Hepatitis C in Ethiopia: A Phased Public Health Approach to Achieve Micro-Elimination. Am J Trop Med Hyg 2019; 101:963-972. [PMID: 31516107 PMCID: PMC6838594 DOI: 10.4269/ajtmh.19-0295] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 08/20/2019] [Indexed: 12/12/2022] Open
Abstract
Ethiopia's hepatitis C virus (HCV) prevalence is predicted to rise by 2030. To halt this increasing trend, a suitable approach to the elimination of HCV is needed. This review explores the current status, challenges, and opportunities and outlines a strategy for the micro-elimination approach in Ethiopia. I searched PubMed and EMBASE using combined Medical Subject Heading databases for the literature on HCV micro-elimination. A phased public health approach to HCV micro-elimination, including preparation/capacity building (phase I), implementation (phase II), and rollout and scale-up (phase III), targeting people living with HIV, prisoners, chronic hepatitis and cancer patients, blood donors, and pregnant women is a pragmatic strategy to Ethiopia. This can be implemented at general and tertiary care referral hospitals with a future scale-up to district hospitals through task-shifting by training general practitioners, nurses, laboratory technologists, and pharmacists. Availability of the highly effective direct-acting antivirals (DAAs) can be ensured by expanding the existing program that provides highly subsidized DAAs through an agreement with Gilead Sciences, Inc. and eventually aiming at domestic generic manufacturing. The significant enablers to HCV micro-elimination in Ethiopia include the control of healthcare-associated HCV infection, blood safety, access to affordable testing and pan-genotypic DAAs, task-shifting, multisectoral partnership, and regulatory support. General population-based HCV screening and treatment are not cost-effective for Ethiopia because of high cost, program complexity, and disease epidemiology.
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Affiliation(s)
- Belaynew Wasie Taye
- Address correspondence to Belaynew Wasie Taye, Faculty of Medicine, The University of Queensland, Herston Rd., Brisbane 4006, Australia. E-mails: or
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8
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Quality evaluation of malaria diagnosis in the local laboratories network and in intermediate laboratories in a setting towards the disease elimination in Ecuador. ACTA ACUST UNITED AC 2019; 39:101-116. [PMID: 31529838 DOI: 10.7705/biomedica.v39i4.4686] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Indexed: 11/21/2022]
Abstract
Introduction: To reach the goal of malaria elimination in Ecuador for the year 2020, it is necessary to have a laboratory network with the capacity to perform microscopic diagnosis according to the WHO/PAHO quality standards and to provide the adequate treatment of cases.
Objective: To determine the level of competence for parasitological diagnosis of the microscopists from the local public network and the performance of intermediate reference laboratories.
Materials and methods: We conducted a cross-sectional study based on the information collected in workshops carried out to appraise the competence for microscopic diagnosis of the local laboratory network (zonal health coordinating offices 1 to 8) using a slide panel to evaluate diagnosis agreement, as well as the diagnostic performance of the intermediate laboratories using an external quality assessment program. The results were compared against the reference standards of the supranational laboratory in Perú.
Results: We evaluated the competencies of 191 microscopists in 11 workshops and 153 (80.1%) of them were approved. The medians of the indicators were the following: concordance for parasite detection, 100% (Q1- Q3: 96-100), concordance for species identification, 100% (Q1- Q3: 93-100), and concordances for stage identification, 93.0% (Q1- Q3: 86-95) and parasite counting, 77.0% (Q1- Q3: 71-82). In the external quality assessment, the three intermediate laboratories obtained 100% in parasite detection concordance and 96% for species detection concordance.
Conclusions: The results for the primary network and the performance indicators for the intermediate laboratories showed the high-quality standards of the training program implemented in the country.
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Alombah F, Eliades MJ, Wun J, Kutumbakana S, Mwinga R, Saye R, Lim P, Burnett SM, Martin T, Hamilton P. Effect of Supportive Supervision on Malaria Microscopy Competencies in Sub-Saharan Africa. Am J Trop Med Hyg 2019; 100:868-875. [PMID: 30793694 PMCID: PMC6447128 DOI: 10.4269/ajtmh.18-0363] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 11/12/2018] [Indexed: 12/12/2022] Open
Abstract
Although light microscopy is the reference standard for diagnosing malaria, maintaining skills over time can be challenging. Between 2015 and 2017, the U.S. President's Malaria Initiative-funded MalariaCare project supported outreach training and supportive supervision (OTSS) visits at 1,037 health facilities in seven African countries to improve performance in microscopy slide preparation, staining, and reading. During these visits, supervisors observed and provided feedback to health-care workers (HCWs) performing malaria microscopy using a 30-step checklist. Of the steps observed in facilities with at least three visits, the proportion of HCWs that performed each step correctly at baseline ranged from 63.2% to 94.2%. The change in the proportion of HCWs performing steps correctly by the third visit ranged from 16.7 to 23.6 percentage points (n = 916 observations). To assess the overall improvement, facility scores were calculated based on the steps performed correctly during each visit. The mean score at baseline was 85.7%, demonstrating a high level of performance before OTSS. Regression analysis predicted an improvement in facility scores of 3.6 percentage points (P < 0.001) after three visits across all countries. In reference-level facilities with consistently high performance on microscopy procedures and parasite detection, quality assurance (QA) mechanisms could prioritize more advanced skills, such as proficiency testing for parasite counting and species identification. However, in settings with high staff turnover and declining use of microscopy in favor of rapid diagnostic tests, additional supervision visits and/or additional QA measures may be required to improve and maintain performance.
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Affiliation(s)
- Fozo Alombah
- President’s Malaria Initiative (PMI) MalariaCare Project, PATH, Washington, District of Columbia
| | - M. James Eliades
- President’s Malaria Initiative (PMI) MalariaCare Project, PATH, Washington, District of Columbia
- Malaria, Asia: Population Services International, Yangon, Myanmar
- Population and Family Health, Mailman School of Public Health, Columbia University, New York, New York
| | - Jolene Wun
- President’s Malaria Initiative (PMI) MalariaCare Project, PATH, Washington, District of Columbia
| | - Seraphine Kutumbakana
- President’s Malaria Initiative (PMI) MalariaCare Project, Medical Care Development International, Kinshasa, The Democratic Republic of the Congo
| | - Rodgers Mwinga
- President’s Malaria Initiative (PMI) MalariaCare Project, Medical Care Development International, Kisumu, Kenya
| | - Renion Saye
- President’s Malaria Initiative (PMI) MalariaCare Project, Medical Care Development International, Bamako, Mali
| | - Pharath Lim
- President’s Malaria Initiative (PMI) MalariaCare Project, Medical Care Development International, Silver Spring, Maryland
| | - Sarah M. Burnett
- President’s Malaria Initiative (PMI) MalariaCare Project, PATH, Washington, District of Columbia
| | - Troy Martin
- President’s Malaria Initiative (PMI) MalariaCare Project, PATH, Washington, District of Columbia
| | - Paul Hamilton
- President’s Malaria Initiative (PMI) MalariaCare Project, PATH, Washington, District of Columbia
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Bizimana P, Polman K, Van Geertruyden JP, Nsabiyumva F, Ngenzebuhoro C, Muhimpundu E, Ortu G. Capacity gaps in health facilities for case management of intestinal schistosomiasis and soil-transmitted helminthiasis in Burundi. Infect Dis Poverty 2018; 7:66. [PMID: 29970181 PMCID: PMC6030799 DOI: 10.1186/s40249-018-0447-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 05/31/2018] [Indexed: 12/29/2022] Open
Abstract
Background Schistosomiasis and soil-transmitted helminthiasis (STH) are endemic diseases in Burundi. STH control is integrated into health facilities (HF) across the country, but schistosomiasis control is not. The present study aimed to assess the capacity of HF for integrating intestinal schistosomiasis case management into their routine activities. In addition, the current capacity for HF-based STH case management was evaluated. Methods A random cluster survey was carried out in July 2014, in 65 HF located in Schistosoma mansoni and STH endemic areas. Data were collected by semi-quantitative questionnaires. Staff with different functions at the HF were interviewed (managers, care providers, heads of laboratory and pharmacy and data clerks). Data pertaining to knowledge of intestinal schistosomiasis and STH symptoms, human and material resources and availability and costs of diagnostic tests and treatment were collected. Findings Less than half of the 65 care providers mentioned one or more major symptoms of intestinal schistosomiasis (abdominal pain 43.1%, bloody diarrhoea 13.9% and bloody stool 7.7%). Few staff members (15.7%) received higher education, and less than 10% were trained in-job on intestinal schistosomiasis case management. Clinical guidelines and laboratory protocols for intestinal schistosomiasis diagnosis and treatment were available in one third of the HF. Diagnosis was performed by direct smear only. Praziquantel was not available in any of the HF. The results for STH were similar, except that major symptoms were more known and cited (abdominal pain 69.2% and diarrhoea 60%). Clinical guidelines were available in 61.5% of HF, and albendazole or mebendazole was available in all HF. Conclusions The current capacity of HF for intestinal schistosomiasis and STH detection and management is inadequate. Treatment was not available for schistosomiasis. These issues need to be addressed to create an enabling environment for successful integration of intestinal schistosomiasis and STH case management into HF routine activities in Burundi for better control of these diseases. Electronic supplementary material The online version of this article (10.1186/s40249-018-0447-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Paul Bizimana
- Global Health Institute, Department of Epidemiology and Social Medicine, Faculty of Medicine and Health Sciences, University of Antwerp, Gouverneur Kinsbergencentrum, Doornstraat 331, Wilrijk, 2610, Antwerp, Belgium. .,Département des Sciences de la Santé Publique, Direction de la Formation, Institut National de Santé Publique, B.P, 6807, Bujumbura, Burundi. .,Département de Médecine Communautaire, Faculté de Médecine de Bujumbura, Université du Burundi, Bujumbura, Burundi. .,Département des Sciences de la Santé Publique, Institut Universitaire des Sciences de la Santé et de Développement Communautaire, Bujumbura, Burundi.
| | - Katja Polman
- Medical Helminthology Unit, Department of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
| | - Jean-Pierre Van Geertruyden
- Global Health Institute, Department of Epidemiology and Social Medicine, Faculty of Medicine and Health Sciences, University of Antwerp, Gouverneur Kinsbergencentrum, Doornstraat 331, Wilrijk, 2610, Antwerp, Belgium
| | - Frédéric Nsabiyumva
- Département de Médecine Interne, Faculté de Médecine de Bujumbura, Université du Burundi, Bujumbura, Burundi
| | - Céline Ngenzebuhoro
- Département des Sciences de la Santé Publique, Institut Universitaire des Sciences de la Santé et de Développement Communautaire, Bujumbura, Burundi
| | - Elvis Muhimpundu
- Programme National Intégré de Lutte contre les Maladies Tropicales Négligées et la Cécité, Département des programmes de santé, Ministère de la Santé Publique et de la Lutte contre le Sida, Bujumbura, Burundi
| | - Giuseppina Ortu
- Department of Infectious Diseases and Epidemiology, Schistosomiasis Control Initiative, Imperial College, London, UK
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Sori G, Zewdie O, Tadele G, Samuel A. External quality assessment of malaria microscopy diagnosis in selected health facilities in Western Oromia, Ethiopia. Malar J 2018; 17:233. [PMID: 29914473 PMCID: PMC6006765 DOI: 10.1186/s12936-018-2386-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Accepted: 06/12/2018] [Indexed: 11/21/2022] Open
Abstract
Background Accurate early diagnosis and prompt treatment are one of the key strategies to control and prevent malaria disease. External quality assessment is the most effective method for evaluation of the quality of malaria microscopy diagnosis. The aim of this study was to assess the quality of malaria microscopy diagnosis and its associated factors in selected public health facility laboratories in East Wollega Zone, Western Ethiopia. Methods Facility-based cross-sectional study design was conducted in 30 randomly selected public health facility laboratories from November 2014 to January 2015 in East Wollega Zone, Western Ethiopia. Ten validated stained malaria panel slides with known Plasmodium species, developmental stage and parasite density were distributed. Data were captured; cleaned and analyzed using SPSS version 20 statistical software-multivariate logistic regressions and the agreement in reading between the peripheral diagnostic centers and the reference laboratory were done using kappa statistics. Results A total of 30 health facility laboratories were involved in the study and the overall quality of malaria microscopy diagnosis was poor (62.3%). The associated predictors of quality in this diagnosis were in-service training [(AOR = 16, 95% CI (1.3, 1.96)], smearing quality [(AOR = 24, 95% CI (1.8, 3.13)], staining quality [(AOR = 15, 95% CI (2.35, 8.61), parasite detection [(AOR = 9, 95% CI (1.1, 8.52)] and identification skills [(AOR = 8.6, 95% CI (1.21, 1.63)]. Eighteen (60%) of health facility laboratories had in-service trained laboratory professionals on malaria microscopy diagnosis. Conclusion Overall quality of malaria microscopy diagnosis was poor and a significant gap in this service was observed that could impact on its diagnostic services.
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Affiliation(s)
| | - Olifan Zewdie
- Department of Medical Laboratory Sciences, College of Medical and Health Sciences, Wollega University, P.O. Box: 395, Nekemte, Ethiopia.
| | - Geletta Tadele
- Department of Medical Laboratory Sciences, College of Medical and Health Sciences, Wollega University, P.O. Box: 395, Nekemte, Ethiopia
| | - Abdi Samuel
- Department of Medical Laboratory Sciences, College of Medical and Health Sciences, Wollega University, P.O. Box: 395, Nekemte, Ethiopia
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Saha S, Narang R, Deshmukh P, Pote K, Anvikar A, Narang P. Diagnostic efficacy of microscopy, rapid diagnostic test and polymerase chain reaction for malaria using bayesian latent class analysis. Indian J Med Microbiol 2018; 35:376-380. [PMID: 29063882 DOI: 10.4103/ijmm.ijmm_17_199] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION The diagnostic techniques for malaria are undergoing a change depending on the availability of newer diagnostics and annual parasite index of infection in a particular area. At the country level, guidelines are available for selection of diagnostic tests; however, at the local level, this decision is made based on malaria situation in the area. The tests are evaluated against the gold standard, and if that standard has limitations, it becomes difficult to compare other available tests. Bayesian latent class analysis computes its internal standard rather than using the conventional gold standard and helps comparison of various tests including the conventional gold standard. MATERIALS AND METHODS In a cross-sectional study conducted in a tertiary care hospital setting, we have evaluated smear microscopy, rapid diagnostic test (RDT), and polymerase chain reaction (PCR) for diagnosis of malaria using Bayesian latent class analysis. RESULTS We found the magnitude of malaria to be 17.7% (95% confidence interval: 12.5%-23.9%) among the study subjects. In the present study, the sensitivity of microscopy was 63%, but it had very high specificity (99.4%). Sensitivity and specificity of RDT and PCR were high with RDT having a marginally higher sensitivity (94% vs. 90%) and specificity (99% vs. 95%). On comparison of likelihood ratios (LRs), RDT had the highest LR for positive test result (175) and the lowest LR for negative test result (0.058) among the three tests. CONCLUSION In settings like ours conventional smear microscopy may be replaced with RDT and as we move toward elimination and facilities become available PCR may be roped into detect cases with lower parasitaemia.
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Affiliation(s)
- Sreemanti Saha
- Department of Microbiology, Mahatma Gandhi Institute of Medical Sciences, Wardha, Maharashtra, India
| | - Rahul Narang
- Department of Microbiology, Mahatma Gandhi Institute of Medical Sciences, Wardha, Maharashtra, India
| | - Pradeep Deshmukh
- Department of Community Medicine, Mahatma Gandhi Institute of Medical Sciences, Wardha, Maharashtra, India
| | - Kiran Pote
- Department of Microbiology, Mahatma Gandhi Institute of Medical Sciences, Wardha, Maharashtra, India
| | - Anup Anvikar
- National Institute for Malaria Research, New Delhi, India
| | - Pratibha Narang
- Department of Microbiology, Mahatma Gandhi Institute of Medical Sciences, Wardha, Maharashtra, India
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Animut A, Lindtjørn B. Use of epidemiological and entomological tools in the control and elimination of malaria in Ethiopia. Malar J 2018; 17:26. [PMID: 29329545 PMCID: PMC5767068 DOI: 10.1186/s12936-018-2172-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 01/08/2018] [Indexed: 11/13/2022] Open
Abstract
Malaria is the leading public health problem in Ethiopia where over 75% of the land surface is at risk with varying intensities depending on altitude and season. Although the mortality because of malaria infection has declined much during the last 15–20 years, some researchers worry that this success story may not be sustainable. Past notable achievements in the reduction of malaria disease burden could be reversed in the future. To interrupt, or even to eliminate malaria transmission in Ethiopia, there is a need to implement a wide range of interventions that include insecticide-treated bed nets, indoor residual spraying, improved control of residual malaria transmission, and improved diagnostics, enhanced surveillance, and methods to deal with the emergence of resistance both to drugs and to insecticides. Developments during the past years with increasing awareness about the role of very low levels of malaria prevalence can sustain infections, may also demand that tools not used in the routine control efforts to reduce or eliminate malaria, should now be made available in places where malaria transmission occurs.
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Affiliation(s)
- Abebe Animut
- Aklilu Lemma Institute of Pathobiology, Addis Ababa University, P. O. Box 1176, Addis Ababa, Ethiopia.
| | - Bernt Lindtjørn
- Center for International Health, University of Bergen, Bergen, Norway
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Regassa H, Taffere GR, Gebregergs GB. Delay in malaria diagnosis and treatment and its determinants among rural communities of the Oromia special zone, Ethiopia: facility-based cross-sectional study. J Public Health (Oxf) 2017. [DOI: 10.1007/s10389-017-0863-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Aiyenigba B, Ojo A, Aisiri A, Uzim J, Adeusi O, Mwenesi H. Immediate assessment of performance of medical laboratory scientists following a 10-day malaria microscopy training programme in Nigeria. Glob Health Res Policy 2017; 2:32. [PMID: 29202100 PMCID: PMC5683359 DOI: 10.1186/s41256-017-0051-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 09/28/2017] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Rapid and precise diagnosis of malaria is an essential element in effective case management and control of malaria. Malaria microscopy is used as the gold standard for malaria diagnosis, however results remain poor as positivity rate in Nigeria is consistently over 90%. The United States President's Malaria Initiative (PMI) through the Malaria Action Program for States (MAPS) supported selected states in Nigeria to build capacity for malaria microscopy. This study demonstrates the effectiveness of in-service training on malaria microscopy amongst medical laboratory scientists. METHOD The training was based on the World Health Organization (WHO) basic microscopy training manual. The 10-day training utilized a series of didactic lectures and examination of teaching slides using a CX 21 Olympus binocular microscope. All 108 medical laboratory scientists trained from 2012 to 2015 across five states in Nigeria supported by PMI were included in the study. Evaluation of the training using a pre-and post-test method was based on written test questions; reading photographic slide images of malaria parasites; and prepared slides. RESULT There was a significant improvement in the mean written pre-and post-tests scores from 37.9% (95% CI 36.2-39.6%) to 70.7% (95% CI 68.4-73.1%) (p < 0.001). The mean counting post-test score improved significantly from 4.2% (95% CI 2.6-5.7%) to 27.9% (95% CI 25.3-30.5%) (p < 0.001). Mean post-test score for computer-based picture speciation test (63.0%) and picture detection test (89.2%) were significantly higher than the mean post-test score for slide reading speciation test (38.3%) and slide reading detection test (70.7%), p < 0.001 in both cases. CONCLUSION Parasite detection and speciation using enhanced visual imaging was significantly improved compared with using direct microscopy. Regular in-service training and provision of functional and high resolution microscopes are needed to ensure quality routine malaria microscopy.
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Antimalarial prescription in a public hospital outpatient setting in Kenya: A best practice implementation project. INT J EVID-BASED HEA 2017; 15:30-39. [PMID: 28267076 DOI: 10.1097/xeb.0000000000000100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND Important gaps still exist in malaria case management despite implementation of the World Health Organization parasitological diagnosis before treatment recommendation. This calls for evidence-based strategies to improve health providers' adherence to these guidelines. OBJECTIVE The goal of this project was to improve adherence of confirmed parasitological diagnosis prior to antimalarial prescription in the outpatient department. METHODS The Joanna Briggs Institute Practical Application of Clinical Evidence System program was used to facilitate collection of baseline and post-audit data. The Getting Research into Practice program was also utilized to analyze the potential barriers and for designing the intervention strategies. This study was done during a 7-month period in an outpatient department of public health facility in Kenya. RESULTS Baseline and post-implementation audit results comparison indicate that there was a clinically significant improvement in all three criteria. One hundred percent of health providers underwent training on malaria case management, an improvement from 24% at baseline. Almost all (98%) suspected cases for malaria were tested for malaria parasite, and 98% doses of antimalarial drug dispensed had documentation indicating that the malaria test result was positive, an increase of 74%. CONCLUSION This study successfully increased the adherence to malaria parasitological confirmation before the treatment recommendation. The interdepartmental collaboration facilitated improvements that led to a reduction in presumptive prescription of antimalarial drugs, antimalarial medication costs, and potentially the emergence of drug resistance.
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Orish VN, Ansong JY, Onyeabor OS, Sanyaolu AO, Oyibo WA, Iriemenam NC. Overdiagnosis and overtreatment of malaria in children in a secondary healthcare centre in Sekondi-Takoradi, Ghana. Trop Doct 2016; 46:191-198. [DOI: 10.1177/0049475515622861] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Overdiagnosis and overtreatment of malaria is a major problem in children in malaria-endemic countries. This retrospective study identified children who were admitted with fever and were treated with or without anti-malarial medications and discharged at the Paediatric Unit of the Effia-Nkwanta Regional Hospital. The medical records of all children were searched, retrieved and assessed. A total of 1160 records from children (age range, 0–12 years) were reviewed and evaluated. Of the total number, 21.3% had laboratory confirmed malaria, 38.4% were malaria negative, while 40.3% had no malaria tests performed. In addition, the results showed that 4.5% of the laboratory confirmed malaria positive cases were not given anti-malarial medication while 84.1% of the malaria negative cases were given these incorrectly. Furthermore, 78.2% of the children with no malaria tests were prescribed anti-malarial medication. The presumptive diagnosis of malaria should be abandoned and the installation of a functional laboratory services promoted.
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Affiliation(s)
- Verner N Orish
- Physician/Lecturer, Department of Internal Medicine, Effia-Nkwanta Regional Hospital Sekondi-Takoradi, Sekondi, Western Region, Ghana
| | - Joseph Y Ansong
- Physician, Department of Paediatrics, Effia-Nkwanta Regional Hospital Sekondi-Takoradi, Sekondi, Western Region, Ghana
| | - Onyekachi S Onyeabor
- Physician, Department of Community Health and Preventive Medicine, The Satcher Health Leadership Institute, Morehouse School of Medicine, Atlanta, Georgia, USA
| | - Adekunle O Sanyaolu
- Associate Professor of Microbiology, Department of Medical Microbiology & Immunology, Saint James School of Medicine, Anguilla, British West Indies
- Associate Professor of Microbiology, ANDI Centre of Excellence for Malaria Diagnosis, WHO/TDR/FIND Malaria Specimen Bank Site, Department of Medical Microbiology and Parasitology, College of Medicine of the University of Lagos, Idi-araba, Lagos, Nigeria
| | - Wellington A Oyibo
- Professor of Parasitology, ANDI Centre of Excellence for Malaria Diagnosis, WHO/TDR/FIND Malaria Specimen Bank Site, Department of Medical Microbiology and Parasitology, College of Medicine of the University of Lagos, Idi-araba, Lagos, Nigeria
| | - Nnaemeka C Iriemenam
- Principal Investigator, ANDI Centre of Excellence for Malaria Diagnosis, WHO/TDR/FIND Malaria Specimen Bank Site, Department of Medical Microbiology and Parasitology, College of Medicine of the University of Lagos, Idi-araba, Lagos, Nigeria
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Magnitude of Malaria and Factors among Febrile Cases in Low Transmission Areas of Hadiya Zone, Ethiopia: A Facility Based Cross Sectional Study. PLoS One 2016; 11:e0154277. [PMID: 27137913 PMCID: PMC4854449 DOI: 10.1371/journal.pone.0154277] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Accepted: 04/10/2016] [Indexed: 11/21/2022] Open
Abstract
Background Despite a remarkable decline in morbidity and mortality since the era of malaria roll back strategy, it still poses a huge challenge in Ethiopia in general and in Hadiya Zone in particular. Although, there are data from routine health management information on few indicators, there is scarcity of data showing magnitude of malaria and associated factors including knowledge and practice in the study area. Therefore, the aim of this study was to assess magnitude and factors affecting malaria in low transmission areas among febrile cases attending public health facilities in Hadiya Zone, Ethiopia. Methods A facility based cross-sectional study was conducted in Hadiya Zone from May 15 to June 15, 2014. Simple random sampling was used to select the health facility while systematic random sampling technique was used to reach febrile patients attending public health facilities. Data were collected by a pre-tested structured questionnaire containing sections of socio demographic risk factors and knowledge and prevention practices of malaria. Data were entered to Epi-Info software version 3.5.4 and exported to SPSS version 16 for descriptive and logistic regression analysis. Results One hundred six (25.8%) of participating febrile patients attending at sampled health facilities were found to have malaria by microscopy. Of which, P.vivax, P.falciparum and mixed infection accounted for 76(71. 7%), 27 (25.5%) and 3 (2.8%), respectively. History of travel to malaria endemic area, [AOR: 2.59, 95% CI: (1.24, 5.38)], not using bed net, [AOR: 4.67, 95%CI:, (2.11, 10.37)], poor practice related to malaria prevention and control, [AOR: 2.28, (95%CI: (1.10, 4.74)], poor knowledge about malaria, [AOR: 5.09,95%CI: (2.26,11.50)] and estimated distance of stagnant water near to the residence, [AOR: 3.32, (95%CI: (1.13, 9.76)] were significantly associated factors of malaria positivity in the study. Conclusion The present study revealed that malaria is still a major source of morbidity in the study area among febrile illnesses. Poor level of knowledge, poor prevention practices, not using bed net, travel history to endemic areas and residing near stagnant water were associated factors with malaria positivity in the study area. Therefore, implementers, policy makers and stakeholders should strengthen the services provided by the community health development army, health extension service and health facilities services focusing on increasing malaria intervention coverage and mobilization of information, education and communication to increase knowledge about malaria transmission, prevention and control practices.
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Lack of knowledge regarding the microscopic diagnosis of malaria by technicians of the laboratory network in Luanda, Angola. BIOMEDICA 2016; 36:149-55. [PMID: 27622448 DOI: 10.7705/biomedica.v36i1.2623] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Revised: 01/28/2015] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Malaria is still one of the most important public health problems worldwide. The diagnosis of this disease is still mainly based on thick blood films. OBJECTIVE To evaluate the knowledge about malaria diagnosis of the technicians of the public health network in Luanda, Angola, by means of a survey. MATERIALS AND METHODS This survey was carried out in three phases. In the first one, open interviews were done to technicians related with the different procedures for malaria diagnosis. In the second one, a preliminary questionnaire was prepared and evaluated. In the third phase, a definitive questionnaire was applied to 120 technicians from Luanda between April and July, 2013. The proportions of correct and incorrect answers were compared for every question of the survey. RESULTS Significantly higher proportions of incorrect answers (p<0.05) were found in the questions related to clinical manifestations, 68/52 (p<0.05), species of Plasmodium according to geographical areas, 76/44 (p<0.05), the type of granulations according to species, 96/24 (p<0.01), the class of microscope magnifying glasses used to observe the thick smear, 105/15 (p<0.01), the thick smear report, 76/44 (p<0.01), the time and preparation of different stain solutions, 81/39 (p<0.01), and the number of parasites counted per 200 leukocytes, 96/24 (p<0.01). CONCLUSIONS Various failures for the microscopic diagnosis of malaria were observed amongst the evaluated technicians. These results will be useful as a baseline study before applying an educational intervention aimed to improve the quality of malaria diagnosis in Luanda's laboratory network.
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Sharp decline of malaria cases in the Burie Zuria, Dembia, and Mecha districts, Amhara Region, Ethiopia, 2012-2014: descriptive analysis of surveillance data. Malar J 2016; 15:104. [PMID: 26892875 PMCID: PMC4759934 DOI: 10.1186/s12936-016-1133-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 01/27/2016] [Indexed: 11/18/2022] Open
Abstract
Background In the Amhara Region of Ethiopia, a steep decline of malaria cases was seen in early 2014. This study verified the decrease of the malaria cases along with the positivity rates among acute febrile illness patients, from late 2012 through 2014 in selected districts of the Amhara Region of Federal Republic of Ethiopia. Methods Descriptive epidemiological analysis was conducted on the routine malaria surveillance data from the World Health Organization epidemiological week 28 of 2012 to week 52 of 2014 in three districts: Burie Zuria, Dembia and Mecha, the Amhara Region in Ethiopia. The authors visited the three district health offices, and health centres, when necessary, and collected the surveillance data on malaria for that period. Results The study found that the malaria cases, along with the positivity rates, decreased from late 2012 to early 2014 in all three districts. Though the situation had slightly reverted in late 2014, the numbers of cases were much smaller than in late 2012 in all three districts. Despite the different diagnostic techniques used at health centres (malaria microscopy) and health posts (rapid diagnostic tests), moderate to high correlations were found, suggesting that the trends were real and not caused by a defect in the reagent, differences in the technicians’ skills for microscopy, or a change of the health workers’ attitudes toward cases with acute febrile illness. The decrease in malaria cases in early 2014 may have resulted from successful implementation of the three pillars of malaria control—case management, indoor residual spraying and insecticide-treated nets—in the districts where a high percentage of households were protected by indoor residual spraying and/or insecticide-treated nets. Conclusion While the current efforts for malaria control should be strengthened and maintained, the review of malaria surveillance data should also be used to verify the malaria trend in the region.
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Field Evaluation of Malaria Microscopy, Rapid Malaria Tests and Loop-Mediated Isothermal Amplification in a Rural Hospital in South Western Ethiopia. PLoS One 2015; 10:e0142842. [PMID: 26555068 PMCID: PMC4640523 DOI: 10.1371/journal.pone.0142842] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 10/27/2015] [Indexed: 11/22/2022] Open
Abstract
Background In up to one third of the hospitals in some rural areas of Africa, laboratory services in malaria diagnosis are limited to microscopy by thin film, as no capability to perform thick film exists (gold standard in terms of sensitivity for malaria diagnosis). A new rapid molecular malaria diagnostic test called Loop-mediated isothermal DNA amplification (LAMP) has been recently validated in clinical trials showing exceptional sensitivity and specificity features. It could be a reliable diagnostic tool to be implemented without special equipment or training. Objective The objective of this proof of concept study was to confirm the feasibility of using LAMP technique for diagnosis of malaria in a rural Ethiopian hospital with limited resources. Methodology/Principal Findings This study was carried out in Gambo General Hospital, West Arsi Province (Ethiopia), from November 1st to December 31st 2013. A total of 162 patients with a non-focal febrile syndrome were investigated. The diagnostic capability (sensitivity, specificity, positive predictive and negative predictive values) of rapid malaria tests and microscopy by thin film was evaluated in comparison with LAMP. Eleven (6.79%) out of the 162 patients with fever and suspected malaria, tested positive for LAMP, 3 (1.85%) for rapid malaria tests and none of the eleven cases was detected by thin film microscopy. Conclusions/Significance LAMP can be performed in basic rural laboratories without the need for specialized infrastructure and it may set a reliable tool for malaria control to detect a low level parasitemia.
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Golassa L, Baliraine FN, Enweji N, Erko B, Swedberg G, Aseffa A. Microscopic and molecular evidence of the presence of asymptomatic Plasmodium falciparum and Plasmodium vivax infections in an area with low, seasonal and unstable malaria transmission in Ethiopia. BMC Infect Dis 2015; 15:310. [PMID: 26242405 PMCID: PMC4526179 DOI: 10.1186/s12879-015-1070-1] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Accepted: 07/29/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The presence of asymptomatic infections has serious implications for malaria elimination campaigns. Since asymptomatic carriers do not seek treatment for their infection and may become gametocyte carriers, they undoubtedly contribute to the persistence of malaria transmission in a population. The presence of asymptomatic parasitemias was noted in areas with seasonal malaria transmission. In Ethiopia there is a paucity of data regarding the prevalence of asymptomatic malaria carriage. This study was undertaken to assess the presence and prevalence of asymptomatic Plasmodium falciparum and Plasmodium vivax infections in south-central Oromia, Ethiopia. METHODS A total of 1094 apparently healthy individuals ≥ 2 years of age in south-central Oromia, Ethiopia, an area with seasonal and unstable malaria transmission, were screened for the presence of asymptomatic plasmodial infections. Finger-prick blood samples were taken from each participant for blood film preparation for microscopy and the rapid diagnostic test (RDT). Blood samples were also spotted on Whatman 3MM filter paper for parasite DNA extraction. RESULTS The prevalence of asymptomatic Plasmodium carriage (P. falciparum, P. vivax and mixed species) was 5.0 % (55/1,094) as determined by microscopy, while the prevalence as determined using RDT was 8.2 % (90/1,094). PCR was done on 47 of 55 microscopy-confirmed and on 79 of 90 RDT-confirmed samples. PCR detected parasite DNA in 89.4 % (42/47) of the microscopy-positive samples and in 77.2 % (61/79) of the RDT-positive samples. No significant difference was observed in the prevalence of asymptomatic P. falciparum or P. vivax infections in the study area (P > 0.1). However, the prevalence of asymptomatic parasitaemia was significantly associated with gender (OR = 0.47, P = 0.015; being higher in males than females) and age (X(2) = 25, P < 0.001; being higher in younger than in older individuals). Age and parasite densities had an inverse relationship. CONCLUSIONS This study confirms the presence of asymptomatic P. falciparum and P. vivax infections in south-central Oromia, an area with low, seasonal and unstable malaria transmission in Ethiopia. Of 55 microscopically confirmed asymptomatic infections, P. falciparum monoinfection accounted for 45.5 % and of 90 RDT positive asymptomatic infections, 66.7 % were P. falciparum. Although not statistically significant, P. falciparum accounted for a relatively large number of the asymptomatic infections as determined by both tests. The prevalence of asymptomatic parasitaemia was highest in the younger age group. HRP-2-based RDTs specific for P. falciparum showed high false positivity rate compared to Plasmodium lactate dehydrogenase (pLDH) specific to P. vivax. Although microscopy and RDT detected substantial numbers of asymptomatic infections in apparently healthy inhabitants, the use of a highly sensitive molecular diagnostics offers a more accurate assessment of the magnitude of asymptomatic infections.
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Affiliation(s)
- Lemu Golassa
- Aklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa, Ethiopia. .,Armauer Hansen Research Institute, Addis Ababa, Ethiopia.
| | | | - Nizar Enweji
- Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden.
| | - Berhanu Erko
- Aklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa, Ethiopia.
| | - Göte Swedberg
- Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden.
| | - Abraham Aseffa
- Armauer Hansen Research Institute, Addis Ababa, Ethiopia.
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Boyce R, Reyes R, Ntaro M, Mulogo E, Matte M, Boum Y, Siedner MJ. Association between HRP-2/pLDH rapid diagnostic test band positivity and malaria-related anemia at a peripheral health facility in Western Uganda. J Glob Health 2015. [PMID: 26207181 PMCID: PMC4512262 DOI: 10.7189/jogh.05.020402] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
The detection of severe malaria in resource–constrained settings is often difficult because of requirements for laboratory infrastructure and/or clinical expertise. The aim of this study, therefore, was to explore the utility of a multiple antigen (HRP–2/pLDH) rapid diagnostic test (RDT) as a low–cost, surrogate marker of patients at high risk for complications of severe malaria. We reviewed programmatic data at a peripheral health center in Western Uganda. Available demographic and clinical data on all individuals presenting to the center who underwent an RDT for suspected malaria infection were reviewed. We fit logistic regression models to identify correlates of two outcomes of interest: 1) severe malaria–related anemia, defined here as hemoglobin ≤7g/dL and 2) receipt of parenteral quinine. 1509 patients underwent malaria testing with an SD FK60 RDT during the observation period. A total of 637 (42%) RDTs were positive for at least one species of malaria, of which 326 (51%) exhibited a single HRP–2 band and 307 (48%) exhibited both HRP–2 and pLDH bands, while 4 exhibited only a single pLDH band. There was a trend towards more severe anemia in patients with a HRP–2/pLDH positive RDT compared to a HRP–2 only RDT (β = –0.99 g/dl, 95% CI –1.99 to 0.02, P = 0.055). A HRP–2/pLDH positive RDT was associated with an increased risk of severe malaria–related anemia compared to a negative RDT (adjusted odds ratio (AOR) 18.8, 95% CI 4.32 to 82.0, P < 0.001) and to a HRP–2 only RDT (AOR 2.46, 95% CI 0.75 to 8.04, P = 0.14). There was no significant association between RDT result and the administration of parenteral quinine. These results offer preliminary evidence that specific patterns of antigen positivity on RDTs could be utilized to identify patients at an increased risk for complications of severe malaria.
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Affiliation(s)
- Ross Boyce
- Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Raquel Reyes
- Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Moses Ntaro
- Department of Community Health, Mbarara University of Science & Technology, Mbarara, Uganda
| | - Edgar Mulogo
- Department of Community Health, Mbarara University of Science & Technology, Mbarara, Uganda
| | - Michael Matte
- Department of Community Health, Mbarara University of Science & Technology, Mbarara, Uganda
| | - Yap Boum
- Epicentre Mbarara Research Center, Mbarara, Uganda
| | - Mark J Siedner
- Center for Global Health, Massachusetts General Hospital, Boston, MA, USA
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Driessen J, Limula H, Gadabu OJ, Gamadzi G, Chitandale E, Ben-Smith A, Alide N, Douglas GP. Informatics solutions for bridging the gap between clinical and laboratory services in a low-resource setting. Afr J Lab Med 2015; 4:1-7. [PMID: 38440308 PMCID: PMC10911650 DOI: 10.4102/ajlm.v4i1.176] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Accepted: 04/13/2015] [Indexed: 03/06/2024] Open
Abstract
Background There has been little formal analysis of laboratory systems in resource-limited settings, despite widespread consensus around the importance of a strong laboratory infrastructure. Objectives This study details the informational challenges faced by the laboratory at Kamuzu Central Hospital, a tertiary health facility in Malawi; and proposes ways in which informatics can bolster the efficiency and role of low-resource laboratory systems. Methods We evaluated previously-collected data on three different aspects of laboratory use. A four-week quality audit of laboratory test orders quantified challenges associated with collecting viable specimens for testing. Data on tests run by the laboratory over a one-year period described the magnitude of the demand for laboratory services. Descriptive information about the laboratory workflow identified informational process breakdowns in the pre-analytical and post-analytical phases and was paired with a 24-hour sample of laboratory data on results reporting. Results The laboratory conducted 242 242 tests over a 12-month period. The four-week quality audit identified 54% of samples as untestable. Prohibitive paperwork errors were identified in 16% of samples. Laboratory service workflows indicated a potential process breakdown in sample transport and results reporting resulting from the lack of assignment of these tasks to any specific employee cadre. The study of result reporting time showed a mean of almost six hours, with significant variation. Conclusions This analysis identified challenges in each phase of laboratory testing. Informatics could improve the management of this information by streamlining test ordering and the communication of test orders to the laboratory and results back to the ordering physician.
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Affiliation(s)
- Julia Driessen
- Department of Health Policy and Management, University of
Pittsburgh, Pittsburgh, United States
| | - Henry Limula
- Kamuzu Central Hospital, Ministry of Health, Lilongwe,
Malawi
| | | | - Gervase Gamadzi
- Kamuzu Central Hospital, Ministry of Health, Lilongwe,
Malawi
| | | | - Anne Ben-Smith
- Department of Biomedical Informatics, University of
Pittsburgh, United States
| | - Noor Alide
- Kamuzu Central Hospital, Ministry of Health, Lilongwe,
Malawi
| | - Gerald P. Douglas
- Center for Health Informatics for the Underserved,
University of Pittsburgh, United States
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Galactionova K, Tediosi F, de Savigny D, Smith T, Tanner M. Effective coverage and systems effectiveness for malaria case management in sub-Saharan African countries. PLoS One 2015; 10:e0127818. [PMID: 26000856 PMCID: PMC4441512 DOI: 10.1371/journal.pone.0127818] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Accepted: 04/18/2015] [Indexed: 11/29/2022] Open
Abstract
Scale-up of malaria preventive and control interventions over the last decade resulted in substantial declines in mortality and morbidity from the disease in sub-Saharan Africa and many other parts of the world. Sustaining these gains will depend on the health system performance. Treatment provides individual benefits by curing infection and preventing progression to severe disease as well as community-level benefits by reducing the infectious reservoir and averting emergence and spread of drug resistance. However many patients with malaria do not access care, providers do not comply with treatment guidelines, and hence, patients do not necessarily receive the correct regimen. Even when the correct regimen is administered some patients will not adhere and others will be treated with counterfeit or substandard medication leading to treatment failures and spread of drug resistance. We apply systems effectiveness concepts that explicitly consider implications of health system factors such as treatment seeking, provider compliance, adherence, and quality of medication to estimate treatment outcomes for malaria case management. We compile data for these indicators to derive estimates of effective coverage for 43 high-burden Sub-Saharan African countries. Parameters are populated from the Demographic and Health Surveys and other published sources. We assess the relative importance of these factors on the level of effective coverage and consider variation in these health systems indicators across countries. Our findings suggest that effective coverage for malaria case management ranges from 8% to 72% in the region. Different factors account for health system inefficiencies in different countries. Significant losses in effectiveness of treatment are estimated in all countries. The patterns of inter-country variation suggest that these are system failures that are amenable to change. Identifying the reasons for the poor health system performance and intervening to tackle them become key priority areas for malaria control and elimination policies in the region.
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Affiliation(s)
- Katya Galactionova
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Fabrizio Tediosi
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Don de Savigny
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Thomas Smith
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Marcel Tanner
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
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Heuchert A, Abduselam N, Zeynudin A, Eshetu T, Löscher T, Wieser A, Pritsch M, Berens-Riha N. Molecular markers of anti-malarial drug resistance in southwest Ethiopia over time: regional surveillance from 2006 to 2013. Malar J 2015; 14:208. [PMID: 25986047 PMCID: PMC4490604 DOI: 10.1186/s12936-015-0723-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Accepted: 05/05/2015] [Indexed: 01/29/2023] Open
Abstract
Background Drug resistance is one of the main reasons of anti-malarial treatment failures and impedes malaria containment strategies. As single nucleotide polymorphisms (SNPs) have been found to correlate with anti-malarial drug resistance, the surveillance strategy includes continuous monitoring of known molecular markers and detection of new mutation patterns. With the introduction of artemisinin-based combination therapy, selection of specific patterns has been observed worldwide. Methods From March to June 2013, whole blood was collected on filter paper from microscopically malaria positive patients in Jimma zone (District), southwestern Ethiopia. Plasmodium falciparum, Plasmodium vivax and mixed infections were included. SNPs were investigated by conventional or real-time PCR, restriction fragment length pattern analysis or sequencing. Results were compared to molecular patterns from Ethiopian isolates in 2004, 2006 and 2008/9. Results Plasmodium falciparum, P. vivax, and mixed infections were molecularly confirmed in 177, 80, and 14 samples, respectively. In P. falciparum, mutations in the pfcrt, pfmdr 1and pfATP 6 (SERCA) gene were investigated. Whereas the mutation in the pfcrt gene at codon 76 K was still found in 95.6 % of all samples, the pfmdr 1 86 T mutation fell to 1.2 % (2/163) in 2013 compared to 9 % in 2008/9 and 86 % in 2006 (P <0.001). The pfmdr 1 184 F mutation dominated with 100.0 % (172/172) in 2013. Sequencing of the recently reported PF3D7_1343700 kelch propeller domain showed no mutation at codon 476. First sequencing data of the pvmdr 1 gene from Jimma region revealed a prevalence of the mutations 976 F and 1076 L in 72.7 % (16/23) and 100.0 % (19/19) of the isolates, respectively. Conclusion Since the introduction of artemether-lumefantrine (AL) in Jimma, Ethiopia, in 2006, the prevalence of certain SNPs associated with AL use has increased. Markers for chloroquine resistance in P. vivax were highly frequent. Continuous molecular and clinical surveillance are of paramount importance. Electronic supplementary material The online version of this article (doi:10.1186/s12936-015-0723-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Alexander Heuchert
- Division of Infectious Diseases and Tropical Medicine, Medical Center of the University of Munich (LMU), Leopoldstrasse 5, 80802, Munich, Germany.
| | - Nuredin Abduselam
- Department of Laboratory Sciences and Pathology, Jimma University, Jimma for Infection Research (DZIF) at LMU, Munich, Germany.
| | - Ahmed Zeynudin
- Department of Laboratory Sciences and Pathology, Jimma University, Jimma for Infection Research (DZIF) at LMU, Munich, Germany.
| | - Teferi Eshetu
- Department of Laboratory Sciences and Pathology, Jimma University, Jimma for Infection Research (DZIF) at LMU, Munich, Germany.
| | - Thomas Löscher
- Division of Infectious Diseases and Tropical Medicine, Medical Center of the University of Munich (LMU), Leopoldstrasse 5, 80802, Munich, Germany.
| | - Andreas Wieser
- Division of Infectious Diseases and Tropical Medicine, Medical Center of the University of Munich (LMU), Leopoldstrasse 5, 80802, Munich, Germany. .,Department of Laboratory Sciences and Pathology, Jimma University, Jimma for Infection Research (DZIF) at LMU, Munich, Germany. .,German Center for Infection Research (DZIF), Partner site Munich, Munich, Germany. .,Max von Pettenkofer-Institute of Hygiene and Medical Microbiology, Munich, Germany.
| | - Michael Pritsch
- Division of Infectious Diseases and Tropical Medicine, Medical Center of the University of Munich (LMU), Leopoldstrasse 5, 80802, Munich, Germany. .,German Center for Infection Research (DZIF), Partner site Munich, Munich, Germany.
| | - Nicole Berens-Riha
- Division of Infectious Diseases and Tropical Medicine, Medical Center of the University of Munich (LMU), Leopoldstrasse 5, 80802, Munich, Germany.
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27
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Febir LG, Baiden FE, Agula J, Delimini RK, Akpalu B, Tivura M, Amanfo N, Chandramohan D, Owusu-Agyei S, Webster J. Implementation of the integrated management of childhood illness with parasitological diagnosis of malaria in rural Ghana: health worker perceptions. Malar J 2015; 14:174. [PMID: 25899509 PMCID: PMC4430025 DOI: 10.1186/s12936-015-0699-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Accepted: 04/12/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Timely and appropriate management of febrile illness among children under five years of age will contribute to achieving Millennium Development Goal-4. The revised World Health Organization-Global Malaria Programme's policy on test-based management of malaria must integrate effectively into the Integrated Management of Childhood Illness (IMCI). This study reports on perceptions of health workers on the health system factors influencing effective delivery of test-based diagnosis of malaria with IMCI. METHODS A qualitative study was conducted among a range of health workers at different levels of the health system in the Brong Ahafo Region of Ghana. Interview transcripts were transferred into Nvivo 8 software for data management and analysis. A frame-work approach at two levels was used in the analysis, which included the processes required for implementation of test-based management of malaria and the health systems context. RESULTS Forty-nine in-depth interviews were conducted. The National Health Insurance Scheme (NHIS) was perceived to have led to an increase in health facility attendance, thereby increasing the workload of health workers. Workload was reported as the main reason that health workers were not able to complete all of the examinations included in the IMCI algorithm. The NHIS financing guidelines were seen to be determining diagnosis and treatment practices by health-care givers. Concern was expressed about the erratic supply of malaria rapid diagnostic test kits (RDTs), the quality of RDTs related to potential false negative results when clinical symptoms were consistent with malaria. IMCI was seen as important but practically impossible to fully implement due to workload. CONCLUSIONS Implementation of the WHO-revised IMCI guideline is confronted with a myriad of health systems challenges. The perceptions of front-line health workers on the accuracy and need for RDTs together with the capacity of health systems to support implementation plays a crucial role. The NHIS financing guidelines of diagnostics and treatments are influencing clinical decision-making in this setting. Further study is needed to understand the impact of the NHIS on the feasibility of integrating test-based management for malaria into the IMCI guidelines.
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Affiliation(s)
| | - Frank E Baiden
- Epidemiology Unit, Ensign College of Public Health, Kpong, Eastern Region, Ghana.
| | - Justina Agula
- National Catholic Health Service, Project Fives Alive Christian Village KS 99, Kumasi, Ashanti Region, Ghana.
| | | | - Bright Akpalu
- University of Health and Allied Sciences, Ho, Ghana.
| | - Mathilda Tivura
- Kintampo Health Research Centre, PO Box 200, Kintampo, Ghana.
| | - Nelson Amanfo
- Kintampo Health Research Centre, PO Box 200, Kintampo, Ghana.
| | - Daniel Chandramohan
- Disease Control Department, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK.
| | | | - Jayne Webster
- Disease Control Department, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK.
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