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Zenebe Y, Habtamu M, Abebe M, Tulu B, Atnafu A, Mekonnen D, Lang R, Munshea A. Intestinal helminth co-infection and associated factors among pulmonary tuberculosis patients in Africa and Asia: a systematic review and meta-analysis. BMC Infect Dis 2023; 23:739. [PMID: 37899439 PMCID: PMC10614413 DOI: 10.1186/s12879-023-08716-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 10/16/2023] [Indexed: 10/31/2023] Open
Abstract
INTRODUCTION Tuberculosis (TB) and intestinal helminths have huge public health importance, and they are geographically overlapped. Data about the burden of intestinal helminth and TB co-infection in these areas are fragmented. In this systematic review and meta-analysis we compile the current literatures and generate pooled prevalence. We also identity factors associated with intestinal helminth co-infection among TB patients. METHODS Original articles published in English language up to March 23, 2022 were systematically searched from electronic database (PubMed/Medline, Scopus, Science Direct, Google Scholars and HINARI). The search was done using medical subject heading terms and keywords. Identified articles were exported into the EndNote library. The identified articles were screened using PRISMA flow diagram. Then the methodological quality of included articles was evaluated and rated using the modified version of Newcastle-Ottawa Scale. Data were extracted using Microsoft Excel. Sensitivity analysis and Egger regression test were used for the assessment of heterogeneity and publication bias. Finally the results are presented with a meta-analysis of pooled estimates, forest plots, and tables. The quantitative data were analyzed using Stata version 14. RESULTS From a total of 5457 searched articles, 22 eligible articles were included in the review. The pooled prevalence of helminth co-infection among TB cases was 29.69% (95%CI: 21.10, 38.29). TB patients were found to more frequently harbor one or more intestinal helminths than TB negative individuals (OR = 1.72 (95%CI: 1.20, 2.48)). Among the reported helminths, Schistosoma mansoni and Strongyloides stercoralis had the highest pooled prevalence among TB cases. However, unlike other individual helminths, only Strongyloides stercoralis (OR = 2.67 (95% CI, 1.20-6.76)) had significant association with TB cases compared to TB negatives. BMI was significantly associated with intestinal helminth co-infection among TB patients (OR = 2.75 (95%CI: 1.19, 6.38)). CONCLUSIONS Patients with TB have been shown to harbor co-infection with one or more intestinal helminths with considerable proportions when compared with TB-negative individuals. The higher prevalence of helminth infection in TB cases might indicate that co-infection promotes active TB disease. Thus, routine intestinal helminth screening and assessment of their nutritional status is suggested for TB patients.
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Affiliation(s)
- Yohannes Zenebe
- Department of Medical Laboratory Science, College of Medicine and Health Sciences, Bahir Dar University, Bahir Dar, Ethiopia.
- Health Biotechnology Division, Institute of Biotechnology, Bahir Dar University, Bahir Dar, Ethiopia.
- Armauer Hansen Research Institute, Addis Ababa, Ethiopia.
| | | | - Markos Abebe
- Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Begna Tulu
- Department of Medical Laboratory Science, College of Medicine and Health Sciences, Bahir Dar University, Bahir Dar, Ethiopia
| | - Abay Atnafu
- Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Daniel Mekonnen
- Department of Medical Laboratory Science, College of Medicine and Health Sciences, Bahir Dar University, Bahir Dar, Ethiopia
- Health Biotechnology Division, Institute of Biotechnology, Bahir Dar University, Bahir Dar, Ethiopia
| | - Roland Lang
- Institute for Clinical Microbiology, Immunology and Hygiene, University Hospital of Erlangen, Friedrich-Alexander University, Erlangen-Nuremberg, Germany
| | - Abaineh Munshea
- Health Biotechnology Division, Institute of Biotechnology, Bahir Dar University, Bahir Dar, Ethiopia
- Department of Biology, Science College, Bahir Dar University, Bahir Dar, Ethiopia
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Chan AHE, Kusolsuk T, Watthanakulpanich D, Pakdee W, Doanh PN, Yasin AM, Dekumyoy P, Thaenkham U. Prevalence of Strongyloides in Southeast Asia: a systematic review and meta-analysis with implications for public health and sustainable control strategies. Infect Dis Poverty 2023; 12:83. [PMID: 37705080 PMCID: PMC10498648 DOI: 10.1186/s40249-023-01138-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 09/03/2023] [Indexed: 09/15/2023] Open
Abstract
BACKGROUND Strongyloidiasis, caused by the nematodes Strongyloides stercoralis and Strongyloides fuelleborni, is estimated to affect over 600 million individuals worldwide. The disease is endemic in Southeast Asia, where a warm-humid climate and socio-economic conditions maintain the parasite's life cycle and transmission. However, the current diagnostic methods may not be sufficiently sensitive, suggesting that the true prevalence of strongyloidiasis could be seriously underestimated in this. This study aims to determine the prevalence of strongyloidiasis in Southeast Asia through a systematic review and meta-analysis and to discuss the implications of the estimated prevalence on diagnostic approaches and control strategies. METHODS Following PRISMA guidelines, we conducted a systematic literature search in PubMed and Google Scholar databases to identify studies reporting Strongyloides prevalence data in the 11 Southeast Asian countries up to December 2022. A random effects model was employed to estimate the pooled prevalence of S. stercoralis at both regional and country levels. RESULTS Out of 3722 articles identified, 224 met our inclusion criteria. For S. stercoralis specifically, we found 187 articles, of which 52.4% were from Thailand. All Southeast Asian countries, except Brunei, had at least one study on Strongyloides prevalence. The estimated pooled prevalence of S. stercoralis regionally was 12.7% (95% CI 10.70-14.80%), ranging from 0.4 to 24.9% at the country level. Cambodia had the highest pooled prevalence (24.9%, 95% CI 15.65-35.38%), followed by Lao PDR (16.5%, 95% CI 9.50-24.95%). Moreover, we obtained a pooled prevalence of 10% (95% CI 7.06-13.52%) in a group comprising immigrants, workers, and veterans from Southeast Asian countries. S. stercoralis infects various host types, including nonhuman primates, domestic dogs and cats, rodents, and transport carriers such as cockroaches and vegetables. CONCLUSIONS A high prevalence of strongyloidiasis in Southeast Asia was revealed, highlighting the importance of the region's ongoing research, surveillance, and control efforts. Factors contributing to the strongyloidiasis transmission include the role of animal hosts, the impact of global connectivity, and the significance of the co-endemicity of other Strongyloides species. Based on these findings, a multi-pronged One-Health approach is essential for sustainable intervention and control.
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Affiliation(s)
- Abigail Hui En Chan
- Department of Helminthology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Teera Kusolsuk
- Department of Helminthology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Dorn Watthanakulpanich
- Department of Helminthology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Wallop Pakdee
- Department of Helminthology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Pham Ngoc Doanh
- Institute of Ecology and Biological Resources, Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Azlin Mohd Yasin
- Department of Parasitology and Medical Entomology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Selangor, Malaysia
| | - Paron Dekumyoy
- Department of Helminthology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Urusa Thaenkham
- Department of Helminthology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.
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Parsaei M, Spotin A, Matini M, Mahjub H, Aghazadeh M, Ghahremani G, Taherkhani H. Prevalence of toxoplasmosis in patients infected with tuberculosis; a sero-molecular case-control study in northwest Iran. Comp Immunol Microbiol Infect Dis 2021; 81:101720. [PMID: 34990934 DOI: 10.1016/j.cimid.2021.101720] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 10/26/2021] [Accepted: 11/09/2021] [Indexed: 10/19/2022]
Abstract
In this study, we investigated the possible association between TB and Toxoplasma gondii infection. One hundred confirmed TB individuals living in northwest Iran were classified into three subgroups; newly diagnosed patients (NTB), old diagnosed patients (OTB) and multidrug resistance patients (MDR-TB). One hundred healthy subjects in the same age and sex distribution were ethnically matched. Sera samples were screened for anti-Toxoplasma antibodies. Nested-PCR was performed by targeting the B1 and GRA6 genes. The frequency of Toxoplasma infection based on IgG titer was 71.1% in the OTB subgroup and 33% in the control group, indicating significant association between Toxoplasma seropositivity and OTB (P = 0.001). According to phylogenetic network, the type I strain of Toxoplasma was identified in the OTB subgroup (10.1%). We concluded that patients with OTB subgroup are at high risk for acquisition of Toxoplasma infection which could reactivate the latent toxoplasmosis.
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Affiliation(s)
- Mahdi Parsaei
- Department of Medical Parasitology and Mycology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Adel Spotin
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Parasitology and Mycology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Matini
- Department of Medical Parasitology and Mycology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Hossein Mahjub
- Research Center for Health Sciences, Department of Biostatistics, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mohammad Aghazadeh
- Department of Medical Microbiology, School of Medicine, Tabriz University of Medical Science, Tabriz, Iran
| | - Gholamreza Ghahremani
- Member of Iranian association of infection diseases specialties, Tehran, Iran; Vice chancellor for health, Tabriz University of Medical Science, Tabriz, Iran
| | - Heshmatollah Taherkhani
- Department of Medical Parasitology and Mycology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran.
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Taghipour A, Malih N, Köksal F, Jokelainen P, Ghaffarifar F. Toxoplasma gondii seroprevalence among tuberculosis patients: A systematic review and meta-analysis. Microb Pathog 2021; 159:105083. [PMID: 34246749 DOI: 10.1016/j.micpath.2021.105083] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 06/27/2021] [Accepted: 07/02/2021] [Indexed: 11/26/2022]
Abstract
Toxoplasma gondii and Mycobacterium tuberculosis are intracellular pathogens, both infecting a substantial proportion of human population. We conducted a systematic review and meta-analysis to estimate the pooled T. gondii seroprevalence in tuberculosis patients. Three international databases were systematically searched for literature on prevalence of T. gondii in tuberculosis patients. A total of 1389 documents were identified, and eight papers were eligible to be included in the systematic review and meta-analysis. Geographical data gaps were evident, as no studies were identified from many countries where both infections are important. The pooled seroprevalence of IgG, IgM, and both IgG and IgM antibodies against T. gondii in tuberculosis patients were estimated to be 35.9% (95% confidence interval [CI], 19.3-56.7%), 35.0% (95% CI, 3.0-90.3%), and 13.4% (95% CI, 2.4-49.0%), respectively. In the included case-control studies, the pooled T. gondii seroprevalence (proportion anti- T. gondii IgG antibody positive) was higher in tuberculosis patients than in their controls, with an odds ratio by random effects model of 1.63 (95% CI, 1.28-2.08). The results of our work suggest an association between T. gondii seropositivity and being a tuberculosis patient, which should however be interpreted with caution because the timeline of the infections and the disease process are not accounted for. Our work showed that T. gondii seropositivity, indicating chronic infection with the zoonotic parasite, was relatively common among tuberculosis patients.
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Affiliation(s)
- Ali Taghipour
- Department of Parasitology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Narges Malih
- Social Determinants of Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fatih Köksal
- Department of Clinical Bacteriology, Faculty of Medicine, Çukurova University, Adana, Turkey; TR Ministry of Health Regional Tuberculosis Laboratories and the Director of the Tropical Diseases Research and Application Center, Turkey
| | - Pikka Jokelainen
- Department of Bacteria, Parasites & Fungi, Infectious Disease Preparedness, Statens Serum Institut, Copenhagen, Denmark.
| | - Fatemeh Ghaffarifar
- Department of Parasitology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
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Microbial biodiversity in the throats of pulmonary tuberculosis patients and tuberculin skin test (TST) positive and negative healthy individuals in Malaysia. Tuberculosis (Edinb) 2020; 124:101965. [PMID: 32692651 DOI: 10.1016/j.tube.2020.101965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 06/18/2020] [Accepted: 06/26/2020] [Indexed: 11/22/2022]
Abstract
The purpose of this study was to investigate the composition of throat microbiota in pulmonary tuberculosis patients (PTB) in comparison to healthy tuberculin skin test positive (TSTp) and negative (TSTn) individuals. Throat swabs samples were collected, and the microbiota was characterized. Richer operational taxonomic units (OTUs) were present in PTB group, compared to TSTp and TSTn. Regarding alpha diversity analysis there was a higher community diversity in TSTn compared to TSTp. Beta diversity analysis showed different species composition in TSTp compared to TSTn and PTB. There was higher presence of Firmicutes in PTB and TSTn compared to TSTp group at phylum level. At the genus level, Leuconostoc and Enterococcus were higher in TSTn compared to TSTp and Pediococcus, Chryseobacterium, Bifidobacterium, Butyrivibrio, and Bulleidia were higher in PTB compared to TSTn. Streptococcus was higher in TSTn compared to PTB and Lactobacillus in PTB compared to TSTp. At species level, Streptococcus sobrinus and Bulleidia moorei were higher in PTB compared to TSTn individuals, while Lactobacillus salivarius was higher in PTB compared to TSTp. The differences in the microbiome composition could influence the resistance/susceptibility to Mtb infection.
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