Parasites, Hosts and Diseases

"Uganda"

Brief Communication

An Evaluation of Active Case Detection in Malaria Control Program in Kiyuni Parish of Kyankwanzi District, Uganda: Young Yil Bahk, Pyo Yun Cho, Seong Kyu Ahn, Woo-Joo Lee, Tong-Soo Kim, Working Groups in ChildFund Korea , Uganda; Korean J Parasitol 2018;56(6):625-632.
Published online December 31, 2018; DOI: https://doi.org/10.3347/kjp.2018.56.6.625

Abstract
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Malaria remains one of the leading health burdens in the developing world, especially in several sub-Saharan Africa countries; and Uganda has some of the highest recorded measures of malaria transmission intensity in the world. It is evident that the prevalence of malaria infection, the incidence of disease, and mortality from severe malaria remain very high in Uganda. Although the recent stable political and economic situation in the last few decades in Uganda supported for a fairly good appreciation of malaria control, the declines in infection, morbidity, and mortality are not sufficient to interrupt transmission and this country is among the top 4 countries with cases of malaria, especially among children under 5 years of age. In fact, Uganda, which is endemic in over 95% of the country, is a representative of challenges facing malaria control in Africa. In this study, we evaluated an active case detection program in 6 randomly selected villages, Uganda. This program covered a potential target population of 5,017 individuals. Our team screened 12,257 samples of malaria by active case detection, every 4 months, from February 2015 to January 2017 in the 6 villages (a total of 6 times). This study assessed the perceptions and practices on malaria control in Kiyuni Parish of Kyankwanzi district, Uganda. Our study presents that the incidence of malaria is sustained high despite efforts to scale-up and improve the use of LLINs and access to ACDs, based on the average incidence confirmed by RDTs.

Citations

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3 Web of Science
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Original Articles

Comparative Assessment of Diagnostic Performances of Two Commercial Rapid Diagnostic Test Kits for Detection of Plasmodium spp. in Ugandan Patients with Malaria: Young Yil Bahk, Seo Hye Park, Woojoo Lee, Kyoung Jin, Seong Kyu Ahn, Byoung-Kuk Na, Tong-Soo Kim; Korean J Parasitol 2018;56(5):447-452.
Published online October 31, 2018; DOI: https://doi.org/10.3347/kjp.2018.56.5.447

Abstract
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Prompt diagnosis of malaria cases with rapid diagnostic tests (RDTs) has been widely adopted as an effective malaria diagnostic tool in many malaria endemic countries, primarily due to their easy operation, fast result output, and straightforward interpretation. However, there has been controversy about the diagnostic accuracy of RDTs. This study was conducted to evaluate the diagnostic performances of the 2 commercially available malaria RDT kits, RapiGEN Malaria Ag Pf/Pv (pLDH/pLDH) and Asan EasyTestTM Malaria Ag Pf/Pv (HRP-2/pLDH) for their abilities to detect Plasmodium species in blood samples collected from Ugandan patients with malaria. To evaluate the diagnostic performances of these 2 RDT kits, 229 blood samples were tested for malaria infection by microscopic examination and a species-specific nested polymerase chain reaction. The detection sensitivities for P. falciparum of Malaria Ag Pf/Pv (pLDH/pLDH) and Asan EasyTestTM Malaria Ag Pf/Pv (HRP-2/pLDH) were 87.83% and 89.57%, respectively. The specificities of the 2 RDTs were 100% for P. falciparum and mixed P. falciparum/P. vivax infections. These results suggest that the 2 RDT kits showed reasonable levels of diagnostic performances for detection of the malaria parasites from Ugandan patients. However, neither kit could effectively detect P. falciparum infections with low parasitaemia (<500 parasites/μl).

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Sun Huh
Journal of the Korean Medical Association.2019; 62(8): 437. CrossRef

8,316 View
152 Download
9 Web of Science
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Evaluation of the Accuracy of the EasyTest™ Malaria Pf/Pan Ag, a Rapid Diagnostic Test, in Uganda: Chom-Kyu Chong, Pyo Yun Cho, Byoung-Kuk Na, Seong Kyu Ahn, Jin Su Kim, Jin-Soo Lee, Sung-Keun Lee, Eun-Taek Han, Hak-Yong Kim, Yun-Kyu Park, Seok Ho Cha, Tong-Soo Kim; Korean J Parasitol 2014;52(5):501-505.
Published online October 22, 2014; DOI: https://doi.org/10.3347/kjp.2014.52.5.501

Abstract
PDF

In recent years, rapid diagnostic tests (RDTs) have been widely used for malaria detection, primarily because of their simple operation, fast results, and straightforward interpretation. The Asan EasyTest™ Malaria Pf/Pan Ag is one of the most commonly used malaria RDTs in several countries, including Korea and India. In this study, we tested the diagnostic performance of this RDT in Uganda to evaluate its usefulness for field diagnosis of malaria in this country. Microscopic and PCR analyses, and the Asan EasyTest™ Malaria Pf/Pan Ag rapid diagnostic test, were performed on blood samples from 185 individuals with suspected malaria in several villages in Uganda. Compared to the microscopic analysis, the sensitivity of the RDT to detect malaria infection was 95.8% and 83.3% for Plasmodium falciparum and non-P. falciparum, respectively. Although the diagnostic sensitivity of the RDT decreased when parasitemia was ≤500 parasites/?l, it showed 96.8% sensitivity (98.4% for P. falciparum and 93.8% for non-P. falciparum) in blood samples with parasitemia ≥100 parasites/?l. The specificity of the RDT was 97.3% for P. falciparum and 97.3% for non-P. falciparum. These results collectively suggest that the accuracy of the Asan EasyTest™ Malaria Pf/Pan Ag makes it an effective point-of-care diagnostic tool for malaria in Uganda.

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Comparative Assessment of Diagnostic Performances of Two Commercial Rapid Diagnostic Test Kits for Detection of Plasmodium spp. in Ugandan Patients with Malaria
Young Yil Bahk, Seo Hye Park, Woojoo Lee, Kyoung Jin, Seong Kyu Ahn, Byoung-Kuk Na, Tong-Soo Kim
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An Evaluation of Active Case Detection in Malaria Control Program in Kiyuni Parish of Kyankwanzi District, Uganda
Young Yil Bahk, Pyo Yun Cho, Seong Kyu Ahn, Woo-Joo Lee, Tong-Soo Kim
The Korean Journal of Parasitology.2018; 56(6): 625. CrossRef
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A Cluster Randomised Trial Introducing Rapid Diagnostic Tests into Registered Drug Shops in Uganda: Impact on Appropriate Treatment of Malaria
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