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Ghana

High frequency of the Duffy-negative genotype and absence of Plasmodium vivax infections in Ghana

February 20, 2021 - 08:35 -- Open Access
Author(s): 
Charles A. Brown, Prince J. Pappoe-Ashong, Nancy Duah, Anita Ghansah, Harry Asmah, Edwin Afari and Kwadwo A. Koram
Reference: 
Malaria Journal 2021 20:99, 17 February 2021

Recent studies from different malaria-endemic regions including western Africa have now shown that Plasmodium vivax can infect red blood cells (RBCs) and cause clinical disease in Duffy-negative people, though the Duffy-negative phenotype was thought to confer complete refractoriness against blood invasion with P. vivax. The actual prevalence of P. vivax in local populations in Ghana is unknown and little information is available about the distribution of Duffy genotypes. The aim of this study was to assess the prevalence of P. vivax in both asymptomatic and symptomatic outpatients and the distribution of Duffy genotypes in Ghana.

Bloodstream infection with Acinetobacter baumanii in a Plasmodium falciparum positive infant: a case report

February 8, 2021 - 10:24 -- Open Access
Author(s): 
Akenten CW, Boahen KG, Marfo KS, Sarpong N, Dekker D, Struck NS, Osei-Tutu L, May J, Amuasi JH, Eibach D
Reference: 
J Med Case Rep. 2021 Feb 5;15(1):46

The increasing incidence of multi-antibiotic-resistant bacterial infections, coupled with the risk of co-infections in malaria-endemic regions, complicates accurate diagnosis and prolongs hospitalization, thereby increasing the total cost of illness. Further, there are challenges in making the correct choice of antibiotic treatment and duration, precipitated by a lack of access to microbial culture facilities in many hospitals in Ghana. The aim of this case report is to highlight the need for blood cultures or alternative rapid tests to be performed routinely in malaria patients, to diagnose co-infections with bacteria, especially when symptoms persist after antimalarial treatment.

Malaria parasitaemia and mRDT diagnostic performances among symptomatic individuals in selected health care facilities across Ghana

February 3, 2021 - 14:09 -- Open Access
Author(s): 
Abuaku B, Amoah LE, Peprah NY, Asamoah A, Amoako EO, Donu D, Adu GA, Malm KL
Reference: 
BMC Public Health. 2021 Jan 28;21(1):239

Parasitological diagnosis generates data to assist malaria-endemic countries determine their status within the malaria elimination continuum and also inform the deployment of proven interventions to yield maximum impact. This study determined prevalence of malaria parasitaemia and mRDT performances among febrile patients in selected health care facilities across Ghana.

Householders' perception about sustaining the useful life of long-lasting insecticide-treated nets in Ghana

January 20, 2021 - 07:19 -- Open Access
Tags: 
Author(s): 
Opoku R, Amoah PA, Nyamekye KA
Reference: 
Int Health. 2021 Jan 14;13(1):57-62

This article explores the multifaceted perceptions among householders about the care, efficacy and disposal of long-lasting insecticide-treated nets (LLINs), especially those regarding the end of the useful life of LLINs, and their implications for malaria control.

Pharmacokinetic profile of amodiaquine and its active metabolite desethylamodiaquine in Ghanaian patients with uncomplicated falciparum malaria

January 9, 2021 - 13:17 -- Open Access
Author(s): 
Thomas A. Anyorigiya, Sandra Castel, Karen I. Barnes, et al.
Reference: 
Malaria Journal 2021 20:18, 6 January 2021

Accurate measurement of anti-malarial drug concentrations in therapeutic efficacy studies is essential to distinguish between inadequate drug exposure and anti-malarial drug resistance, and to inform optimal anti-malarial dosing in key target population groups.

NOT Open Access | High Prevalence of Molecular Markers of Plasmodium falciparum Resistance to Sulphadoxine-Pyrimethamine in Parts of Ghana: A Threat to ITPTp-SP

January 7, 2021 - 10:28 -- NOT Open Access
Author(s): 
Afutu LL, Boampong JN, Quashie NB
Reference: 
J Trop Pediatr. 2021 Jan 6:fmaa120

Malaria in pregnancy is a huge public health problem as it is the cause of maternal anaemia, still birth, premature delivery, low birth weight among others. To tackle this problem, WHO recommended the administration, during pregnancy, of intermittent preventive treatment with sulphadoxine–pyrimethamine (IPTp-SP). The introduction of this policy is likely to create SP drug pressure which may lead to the emergence of parasite strains resistant to the drug.

A Case of Plasmodium falciparum Malaria Treated with Artesunate in a 55-Year-Old Woman on Return to Florida from a Visit to Ghana

December 23, 2020 - 09:51 -- Open Access
Author(s): 
Rodriguez JA, Roa AA, Leonso-Bravo AA, Khatiwada P, Eckardt P, Lemos-Ramirez
Reference: 
Am J Case Rep. 2020 Dec 20;21:e926097

Malaria is the infection caused by inoculation with the mostly obligate intraerythrocytic protozoa of the genus Plasmodium. Severe malaria manifests as multiple organ dysfunction with high parasitemia counts characterized by coma, stupor, and severe metabolic acidosis. Physicians in the United States do not frequently encounter patients with malaria, and the drugs are only available through the Centers for Disease Control and Prevention, which makes the management of this disease somewhat complicated. In 2019, the marketing of quinine for malaria was discontinued. In May 2020, the US Food and Drug Administration approved the use of intravenous artesunate for the treatment of adults and children with severe malaria.

Acquisition and decay of IgM and IgG responses to merozoite antigens after Plasmodium falciparum malaria in Ghanaian children

December 23, 2020 - 09:50 -- Open Access
Author(s): 
Walker MR, Knudsen AS, Partey FD, Bassi MR, Frank AM, Castberg FC, Sarbah EW, Ofori MF, Hviid L, Barfod L
Reference: 
PLoS One. 2020 Dec 17;15(12):e0243943

Developing a vaccine against Plasmodium falciparum malaria has been challenging, primarily due to high levels of antigen polymorphism and a complex parasite lifecycle. Immunization with the P. falciparum merozoite antigens PfMSRP5, PfSERA9, PfRAMA, PfCyRPA and PfRH5 has been shown to give rise to growth inhibitory and synergistic antisera. Therefore, these five merozoite proteins are considered to be promising candidates for a second-generation multivalent malaria vaccine. Nevertheless, little is known about IgG and IgM responses to these antigens in populations that are naturally exposed to P. falciparum. In this study, serum samples from clinically immune adults and malaria exposed children from Ghana were studied to compare levels of IgG and IgM specific for PfMSRP5, PfSERA9, PfRAMA, PfCyRPA and PfRH5.

Assessment of antimalarial drug resistant markers in asymptomatic Plasmodium falciparum infections after 4 years of indoor residual spraying in Northern Ghana

December 8, 2020 - 10:05 -- Open Access
Author(s): 
Myers-Hansen JL, Abuaku B, Oyebola MK, Mensah BA, Ahorlu C, Wilson MD, Awandare G, Koram KA, Ngwa AA, Ghansah A
Reference: 
PLoS One. 2020 Dec 7;15(12):e0233478

Drug resistance remains a concern for malaria control and elimination. The effect of interventions on its prevalence needs to be monitored to pre-empt further selection. We assessed the prevalence of Plasmodium falciparum gene mutations associated with resistance to the antimalarial drugs: sulfadoxine-pyrimethamine (SP), chloroquine (CQ) and artemisinin combination therapy (ACTs) after the scale-up of a vector control activity that reduced transmission.

Averting expenditure on malaria: effects on labour productivity of maize farmers in Bunkpurugu-Nakpanduri District of Ghana

December 3, 2020 - 13:03 -- Open Access
Author(s): 
Franklin Nantui Mabe and Thomas Dafurika
Reference: 
Malaria Journal 2020 19:448, 3 December 2020

Malaria has been one of the commonest diseases during farming season, which affects farmers’ health resulting in a reduction in the number of days spent on the farm. As a result, farmers are regularly trying to avert malaria infection through preventive measures. Motivated by this argument, this study sought to determine the effects of malaria averting expenditure on labour productivity of maize farmers in Bunkpurugu-Nakpanduri District in the Northern Region of Ghana.

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