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meta-analysis

Assessing field performance of ultrasensitive rapid diagnostic tests for malaria: a systematic review and meta-analysis

June 9, 2021 - 07:34 -- Open Access
Author(s): 
Celestin Danwang, Fati Kirakoya-Samadoulougou and Sekou Samadoulougou
Reference: 
Malaria Journal 2021 20:245, 3 June 2021

To overcome the limitations of conventional malaria rapid diagnostic tests (cRDTs) in diagnosing malaria in patients with low parasitaemia, ultrasensitive malaria rapid diagnostic tests (uRDTs) have recently been developed, with promising results under laboratory conditions. The current study is the first meta-analysis comparing the overall sensitivity, and specificity of newly developed ultrasensitive Plasmodium falciparum malaria RDT (Alere™ Ultra-sensitive Malaria Ag P. falciparum RDT) with the cRDT conducted in the same field conditions.

Not Open Access | Safety of treatment with chloroquine and hydroxychloroquine: A ten-year systematic review and meta-analysis

June 1, 2021 - 12:41 -- NOT Open Access
Author(s): 
Edington FLB, Gadellha SR, Santiago MB
Reference: 
Eur J Intern Med. 2021 Jun;88:63-72

To estimate the incidence rate ratio (IRR) of adverse events (AE) in chloroquine or hydroxychloroquine users.

The high risk of malarial recurrence in patients with Plasmodium-mixed infection after treatment with antimalarial drugs: a systematic review and meta-analysis

May 26, 2021 - 14:40 -- Open Access
Author(s): 
Mahittikorn A, Masangkay FR, Kotepui KU, Milanez GJ, Kotepui M
Reference: 
Parasit Vectors. 2021 May 25;14(1):280

Malaria mixed infections are often unrecognized by microscopists in the hospitals, and a delay or failure to treat Plasmodium-mixed infection may lead to aggravated morbidity and increased mortality. The present study aimed to quantify the pooled proportion and risk of malarial recurrences after the treatment of Plasmodium-mixed infection. The results of the study may provide benefits in the management of Plasmodium-mixed infection in co-endemic regions.

Efficacy and safety of artemisinin-based combination therapies for the treatment of uncomplicated malaria in pediatrics: a systematic review and meta-analysis

April 14, 2021 - 16:50 -- Open Access
Author(s): 
Shibeshi W, Alemkere G, Mulu A, Engidawork E
Reference: 
BMC Infect Dis. 2021 Apr 7;21(1):326

Malaria is a major cause of morbidity and mortality in pediatrics in malaria endemic areas. Artemisinin-based combination therapies (ACTs) are the drugs of choice for malaria management particularly across malaria-endemic countries. This systematic review and meta-analysis was performed to assess efficacy and safety of ACTs for uncomplicated malaria in pediatric populations.

What is the yield of malaria reactive case detection in the Greater Mekong Sub-region? A review of published data and meta-analysis

March 10, 2021 - 14:45 -- Open Access
Author(s): 
Jacqueline Deen, Mavuto Mukaka and Lorenz von Seidlein
Reference: 
Malaria Journal 2021 20:131, 4 March 2021

Reactive malaria case detection involves the screening of those in contact with index cases and is used in countries in the Greater Mekong Sub-region. The yield of reactive case detection, defined here as the percentage of positive malaria cases among potential contacts who were screened, was assessed.

Comparative performance of PCR using DNA extracted from dried blood spots and whole blood samples for malaria diagnosis: a meta-analysis

March 4, 2021 - 11:20 -- Open Access
Author(s): 
Mahittikorn A, Masangkay FR, Kotepui KU, De Jesus Milanez G, Kotepui M
Reference: 
Sci Rep. 2021 Mar 1;11(1):4845

Polymerase chain reaction (PCR) using deoxyribonucleic acid (DNA) extracted from dried blood spots (DBS) provides a fast, inexpensive, and convenient method for large-scale epidemiological studies. This study compared the performance of PCR between DNA extracted from DBS and DNA obtained from whole blood for detecting malarial parasites. Primary studies assessing the diagnostic performance of PCR using DNA extracted from DBS and whole blood for detecting malarial parasites were obtained from the ISI Web of Science, Scopus, and PubMed databases.

Randomized trials of housing interventions to prevent malaria and Aedes-transmitted diseases: A systematic review and meta-analysis

January 13, 2021 - 11:28 -- Open Access
Author(s): 
Kua KP, Lee SWH
Reference: 
PLoS One. 2021 Jan 8;16(1):e0244284

Mosquito-borne diseases remain a significant public health problem in tropical regions. Housing improvements such as screening of doors and windows may be effective in reducing disease transmission, but the impact remains unclear.

The association of malaria infection and gestational hypertension in Africa: Systematic review and meta-analysis

December 2, 2020 - 08:32 -- Open Access
Author(s): 
Mruma HA, McQuillan R, Norrie J
Reference: 
J Glob Health. 2020 Dec;10(2):020417

The World Health Organisation (WHO) estimates that hypertensive disorders of pregnancy (HDP) contribute 14% to global maternal mortality. HDP encompasses several subcategories, including gestational hypertension (GH) and pre-eclampsia. These two conditions are both characterised by a rise in blood pressure, with an onset from 20 weeks of gestation. They also share some common risk factors. The current definition of pre-eclampsia includes raised blood pressure in the absence of proteinuria, thus presenting the two conditions as a spectrum. In this article, we refer to both conditions as gestational hypertension, which is our outcome of interest. The aetiology of GH is not yet clearly understood. Observational studies have suggested that malaria may be associated with GH. However, the evidence from these small studies has been inconclusive. Having a better understanding of the association between malaria and GH may help inform prevention strategies to reduce maternal and infant mortality and morbidity.

Efficacy and safety of tafenoquine for malaria chemoprophylaxis (1998-2020): A systematic review and meta-analysis

November 25, 2020 - 12:45 -- Open Access
Author(s): 
Maier JD, Siegfried S, Gültekin N, Stanga Z, Baird JK, Grobusch MP, Schlagenhauf P
Reference: 
Travel Med Infect Dis. 2020 Nov 20:101908

In 2018, tafenoquine was approved for malaria chemoprophylaxis. We evaluated all available data on the safety and efficacy of tafenoquine chemoprophylaxis.

The impact of delayed treatment of uncomplicated P. falciparum malaria on progression to severe malaria: A systematic review and a pooled multicentre individual-patient meta-analysis

October 21, 2020 - 08:39 -- Open Access
Author(s): 
Mousa A, Al-Taiar A, Okell LC, et al.
Reference: 
PLoS Med. 2020 Oct 19;17(10):e1003359

Delay in receiving treatment for uncomplicated malaria (UM) is often reported to increase the risk of developing severe malaria (SM), but access to treatment remains low in most high-burden areas. Understanding the contribution of treatment delay on progression to severe disease is critical to determine how quickly patients need to receive treatment and to quantify the impact of widely implemented treatment interventions, such as ‘test-and-treat’ policies administered by community health workers (CHWs). We conducted a pooled individual-participant meta-analysis to estimate the association between treatment delay and presenting with SM.

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