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Tadesse Boltena M, El-Khatib Z, Kebede AS, Asamoah BO, Yaw ASC, Kamara K, Constant Assogba P, Tadesse Boltena A, Adane HT, Hailemeskel E, Biru M. Malaria and Helminthic Co-Infection during Pregnancy in Sub-Saharan Africa: A Systematic Review and Meta-Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:5444. [PMID: 35564842 PMCID: PMC9101176 DOI: 10.3390/ijerph19095444] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 12/22/2022]
Abstract
Malaria and helminthic co-infection during pregnancy causes fetomaternal haemorrhage and foetal growth retardation. This study determined the pooled burden of pregnancy malaria and helminthic co-infection in sub-Saharan Africa. CINAHL, EMBASE, Google Scholar, Scopus, PubMed, and Web of Science databases were used to retrieve data from the literature, without restricting language and publication year. The Joanna Briggs Institute's critical appraisal tool for prevalence studies was used for quality assessment. STATA Version 14.0 was used to conduct the meta-analysis. The I2 statistics and Egger's test were used to test heterogeneity and publication bias. The random-effects model was used to estimate the pooled prevalence at a 95% confidence interval (CI). The review protocol has been registered in PROSPERO, with the number CRD42019144812. In total, 24 studies (n = 14,087 participants) were identified in this study. The pooled analysis revealed that 20% of pregnant women were co-infected by malaria and helminths in sub-Saharan Africa. The pooled prevalence of malaria and helminths were 33% and 35%, respectively. The most prevalent helminths were Hookworm (48%), Ascaris lumbricoides (37%), and Trichuris trichiura (15%). Significantly higher malaria and helminthic co-infection during pregnancy were observed. Health systems in sub-Saharan Africa must implement home-grown innovative solutions to underpin context-specific policies for the early initiation of effective intermittent preventive therapy.
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Affiliation(s)
- Minyahil Tadesse Boltena
- Armauer Hansen Research Institute, Ministry of Health, Addis Ababa 1005, Ethiopia; (H.T.A.); (E.H.); (M.B.)
| | - Ziad El-Khatib
- Department of Global Public Health, Karolinska Institutet, 17176 Stockholm, Sweden
- World Health Programme, Université du Québec en Abitibi-Témiscamingue (UQAT), Rouyn-Noranda, QC J9X 5E4, Canada
| | | | - Benedict Oppong Asamoah
- Social Medicine and Global Health, Department of Clinical Sciences, Lund University, 22184 Lund, Sweden; (B.O.A.); (A.T.B.)
| | - Appiah Seth Christopher Yaw
- Department of Sociology and Social Work, Kwame Nkrumah University of Science and Technology, Kumasi 101, Ghana;
| | - Kassim Kamara
- Directorate of Health Security and Emergencies, Ministry of Health and Sanitation, Freetown 00232, Sierra Leone;
| | - Phénix Constant Assogba
- Research Unit in Applied Microbiology and Pharmacology of Natural Substances, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Abomey-Calavi 526, Benin;
| | - Andualem Tadesse Boltena
- Social Medicine and Global Health, Department of Clinical Sciences, Lund University, 22184 Lund, Sweden; (B.O.A.); (A.T.B.)
| | - Hawult Taye Adane
- Armauer Hansen Research Institute, Ministry of Health, Addis Ababa 1005, Ethiopia; (H.T.A.); (E.H.); (M.B.)
| | - Elifaged Hailemeskel
- Armauer Hansen Research Institute, Ministry of Health, Addis Ababa 1005, Ethiopia; (H.T.A.); (E.H.); (M.B.)
- Department of Medical Microbiology, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Mulatu Biru
- Armauer Hansen Research Institute, Ministry of Health, Addis Ababa 1005, Ethiopia; (H.T.A.); (E.H.); (M.B.)
- Child and Family Health, Department of Health Sciences, Lund University, 22184 Lund, Sweden
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Mahittikorn A, Masangkay FR, De Jesus Milanez G, Kuraeiad S, Kotepui M. Prevalence and effect of Plasmodium spp. and hookworm co-infection on malaria parasite density and haemoglobin level: a meta-analysis. Sci Rep 2022; 12:6864. [PMID: 35477943 PMCID: PMC9046215 DOI: 10.1038/s41598-022-10569-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 04/11/2022] [Indexed: 12/14/2022] Open
Abstract
The dual effects of co-infection of Plasmodium spp. and hookworm on malaria remain under debate. This study investigated prevalence, prevalence odds ratio (POR) of co-infection and impact of co-infection on malaria parasite density and haemoglobin levels in comparison to Plasmodium mono-infection. The protocol for this systematic review and meta-analysis is registered at PROPERO under ID: CRD42020202156. Relevant literatures were obtained from PubMed, ISI Web of Science, and Scopus on 25 December 2020. Mean difference (MD) and confidence interval (CI) of malaria parasite density and haemoglobin were compared using a random effect model. Heterogeneity was assessed using Cochrane Q and I2 statistics. Publication bias was determined by visualising funnel plot asymmetry. Of 1756 articles examined, 22,191 malaria cases across 37 studies included 6096 cases of co-infection of Plasmodium spp. and hookworm. The pooled prevalence was 20% (95% CI 15-26%, I2 99.6%, 37 studies) and was varied in terms of geographical region. Co-infection occurred by chance (OR 0.97, p 0.97, 95% CI 0.73-1.27, I2 95%, 30 studies). The mean malaria parasite density for co-infection (478 cases) was similar to Plasmodium mono-infection (920 cases) (p 0.24, MD 0.86, 95% CI - 0.58-2.29, I2 100%, 7 studies). The mean haemoglobin level for co-infection (90 cases) was similar to Plasmodium mono-infection (415 cases) (p 0.15, MD - 0.63, 95% CI - 1.49-0.23, I2 98%, 4 studies). Co-infection was common and occurred by chance but varied by geographic region. Further studies are required to investigate the mechanism of hookworm infection on malaria severity. Additionally, detection of hookworm infections among patients with malaria in endemic areas of both diseases is recommended to prevent severe malaria.
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Affiliation(s)
- Aongart Mahittikorn
- Department of Protozoology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | | | - Giovanni De Jesus Milanez
- Department of Medical Technology, Faculty of Pharmacy, University of Santo Tomas, Manila, Philippines
| | - Saruda Kuraeiad
- Medical Technology, School of Allied Health Sciences, Walailak University, Tha Sala, Nakhon Si Thammarat, Thailand
| | - Manas Kotepui
- Medical Technology, School of Allied Health Sciences, Walailak University, Tha Sala, Nakhon Si Thammarat, Thailand.
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Babamale OA, Ugbomoiko US, Heukelbach J. High prevalence of Plasmodium falciparum and soil-transmitted helminth co-infections in a periurban community in Kwara State, Nigeria. J Infect Public Health 2017; 11:48-53. [PMID: 28442321 DOI: 10.1016/j.jiph.2017.03.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2016] [Revised: 02/10/2017] [Accepted: 03/25/2017] [Indexed: 10/19/2022] Open
Abstract
Prevalence of malaria and soil-transmitted helminth infections, and the burden of disease are enormous in sub-Saharan Africa. Co-infections aggravate the clinical outcome, but are common due to an overlap of endemic areas. A cross-sectional survey was conducted to assess prevalence, intensity of infection and association between malaria and soil-transmitted helminth infections in a typical periurban community in Kwara State. Fresh blood and faecal samples were examined using thick blood film and Kato-Katz smear techniques. A total of 383/471 study participants (81.3%) were infected with at least one parasite species, with the following prevalences and mean infection intensities: Plasmodium falciparum 63.7% (2313.6 parasites/μl); Ascaris lumbricoides 63.1% (3152.1 epg); Trichuris trichiura 53.3% (1043.5 epg); and hookworms 30.1% (981.7 epg). Sixty-three percent of the study population were co-infected with two or more parasite species. The prevalence of ascariasis was significantly higher in individuals infected with P. falciparum (adjusted OR: 5.87; 95% CI: 3.30-10.42). Heavy A. lumbricoides and T. trichiura infections were associated with high P. falciparum parasitaemia. Co-endemicity of malaria and soil transmitted helminth infections is an important public health problem in the study area. Multi-target integrated approaches focusing on disease intervention are essential to mitigate morbidity caused by multiple infections.
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Affiliation(s)
| | - Uade S Ugbomoiko
- Parasitology Unit, Department of Zoology, University of Ilorin, Ilorin, Nigeria.
| | - Jorg Heukelbach
- College of Public Health, Medical and Veterinary Sciences, Division of Tropical Health and Medicine, James Cook University, Townsville, Queensland, Australia; Department of Community Health, School of Medicine, Federal University of Ceará, Brazil
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