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Nasrallah J, Akhoundi M, Haouchine D, Marteau A, Mantelet S, Wind P, Benamouzig R, Bouchaud O, Dhote R, Izri A. Updates on the worldwide burden of amoebiasis: A case series and literature review. J Infect Public Health 2022; 15:1134-1141. [PMID: 36155852 DOI: 10.1016/j.jiph.2022.08.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 08/17/2022] [Accepted: 08/23/2022] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Amoebiasis is an intestinal and tissue parasitic infection caused by the protozoan Entamoeba histolytica. Despite significant medical importance and worldwide dispersion, little is known about the epidemiology and distinct geographical distribution of various clinical forms of amoebiasis in the world. In this study, we present an amoebiasis case series referred to Avicenne Hospital (Bobigny, France) from 2010 to 2022 followed by an overview of the released literature to explore diverse clinico-pathology of amoebiasis and to update the actual epidemiological situation of this parasitosis worldwide. METHODS The referred patients underwent a combination of clinical and parasitological examinations and imaging. The study was followed by an overview of released literature performed based on PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guideline. RESULTS A total of 15 patients with amoebiasis were diagnosed with an average age of 48.5 years old at the occurrence time of infection. Men (78%) were the most affected patients. Most of the cases were reported following a trip to endemic regions, such as Mali, India, Nepal, Algeria, Cameroon or Congo. All of the processed patients exhibited a hepatic amoebiasis. Amoebic abscess was observed in all cases with an average size of 6.3 cm. Of these patients, seven cases (46.7%) benefited from drainage following a risk of rupture or superinfection of the abscess. A compilation of findings extracted from 390 scientific publications via seven major medical databases, allowed us to update the main epidemiological and clinical events that has led to the current worldwide expansion of amoebiasis. We presented a clinical and epidemiological overview of the amoebiasis accompanied with a worldwide illustrative map displaying the current distribution of known amoebiasis foci in each geographical ecozone of Asia, Europe, Africa, Americas, and Australia. CONCLUSIONS Although Metropolitan France is not known as an endemic region of amoebiasis, amoebic liver abscess was the most frequent clinical form observed among our 15 patients processed. Most of infected patients had a history of travel to or lived-in endemic areas before arriving in France.
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Affiliation(s)
- Jade Nasrallah
- Parasitology-Mycology Department, Avicenne Hospital, AP-HP, Sorbonne Paris Nord University, Bobigny, France
| | - Mohammad Akhoundi
- Parasitology-Mycology Department, Avicenne Hospital, AP-HP, Sorbonne Paris Nord University, Bobigny, France.
| | - Djamel Haouchine
- Parasitology-Mycology Department, Avicenne Hospital, AP-HP, Sorbonne Paris Nord University, Bobigny, France
| | - Anthony Marteau
- Parasitology-Mycology Department, Avicenne Hospital, AP-HP, Sorbonne Paris Nord University, Bobigny, France
| | - Stéphane Mantelet
- Parasitology-Mycology Department, Avicenne Hospital, AP-HP, Sorbonne Paris Nord University, Bobigny, France
| | - Philippe Wind
- Digestive Surgery and Surgical Oncology Department, Avicenne Hospital, AP-HP, Sorbonne Paris Nord University, Bobigny, France
| | - Robert Benamouzig
- Hepato-gastroenterology Department, Avicenne Hospital, AP-HP, Sorbonne Paris Nord University, Bobigny, France
| | - Olivier Bouchaud
- Infectious diseases Department, Avicenne Hospital, AP-HP, Sorbonne Paris Nord, Bobigny, France
| | - Robin Dhote
- Internal Medicine Department, Avicenne Hospital, AP-HP, Sorbonne Paris Nord University, Bobigny, France
| | - Arezki Izri
- Parasitology-Mycology Department, Avicenne Hospital, AP-HP, Sorbonne Paris Nord University, Bobigny, France; Unité des Virus Émergents (UVE: Aix-Marseille Univ-IRD 190-Inserm 1207-IHU Méditerranée Infection), Marseille, France
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Dos Santos Zanetti A, Malheiros AF, de Matos TA, Dos Santos C, Battaglini PF, Moreira LM, Lemos LMS, Castrillon SKI, da Costa Boamorte Cortela D, Ignotti E, Espinosa OA. Diversity, geographical distribution, and prevalence of Entamoeba spp. in Brazil: a systematic review and meta-analysis. ACTA ACUST UNITED AC 2021; 28:17. [PMID: 33812449 PMCID: PMC8019558 DOI: 10.1051/parasite/2021028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 03/11/2021] [Indexed: 11/29/2022]
Abstract
The genus Entamoeba includes a variety of widely distributed species adapted to live in the digestive tracts of humans and a large variety of animals of different classes. The objective of this study was to investigate the prevalence, distribution, and molecular epidemiology of Entamoeba spp. in different classes of hosts in Brazil. Studies that analyzed hosts from several classes, including humans and domestic, wild, or captive animals, were considered. The pooled prevalence of Entamoeba spp. was calculated using the random-effects model. A total of 166 studies on humans and 16 on animals were included. The prevalence of Entamoeba spp. in the Brazilian population was 22% (95% CI: 21–24). The state with the highest prevalence was Paraiba with 72%, followed by Federal District with 53%, and Rondonia with 50%. In immunocompromized patients, the prevalence was 18%, and cancer (36%) was the most prevalent cause of immunosuppression. The prevalence of Entamoeba spp. in animal hosts was 12% (95% CI: 7–17). Captive wild animals and domestic farm animals showed the highest prevalence, with 16% and 15%, respectively. The species found more often were E. coli (86.5%), E. dispar (7.9%), and E. histolytica (3.1%). In conclusion, a high prevalence (22%) of Entamoeba spp. was found in the Brazilian population, with a prevalence of up to 50% mainly in the northern, northeastern, and central-western regions. The pathogenic species E. histolytica is distributed in most Brazilian regions, with significant prevalence percentages. Among animals, unidentified Entamoeba species were most prevalent in mammals.
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Affiliation(s)
- Andernice Dos Santos Zanetti
- Post-Graduation Program in Environmental Science, Faculty of Agricultural and Biological Sciences, State University of Mato Grosso (UNEMAT), Tancredo Neves Ave., 1095 - Cavalhada II, Caceres, 78217-042 Mato Grosso, Brazil
| | - Antonio Francisco Malheiros
- Post-Graduation Program in Environmental Science, Faculty of Agricultural and Biological Sciences, State University of Mato Grosso (UNEMAT), Tancredo Neves Ave., 1095 - Cavalhada II, Caceres, 78217-042 Mato Grosso, Brazil
| | - Tatiane Amorim de Matos
- Post-Graduation Program in Environmental Science, Faculty of Agricultural and Biological Sciences, State University of Mato Grosso (UNEMAT), Tancredo Neves Ave., 1095 - Cavalhada II, Caceres, 78217-042 Mato Grosso, Brazil
| | - Carolina Dos Santos
- Post-Graduation Program in Environmental Science, Faculty of Agricultural and Biological Sciences, State University of Mato Grosso (UNEMAT), Tancredo Neves Ave., 1095 - Cavalhada II, Caceres, 78217-042 Mato Grosso, Brazil
| | - Paula Franciene Battaglini
- Residency in Infectious Diseases, Júlio Miller University Hospital, Federal University of Mato Grosso, Luis Philippe Pereira Leite St., Alvorada, Cuiabá, 78048-902 Mato Grosso, Brazil
| | - Luciana Melhorança Moreira
- Faculty of Agricultural and Biological Sciences, State University of Mato Grosso (UNEMAT), Tancredo Neves Ave., 1095 - Cavalhada II, 78217-042 Caceres, Mato Grosso, Brazil
| | - Larissa Maria Scalon Lemos
- Department of Nursing, Faculty of Health Sciences, State University of Mato Grosso (UNEMAT), Tancredo Neves Ave., 1095 - Cavalhada II, Caceres, 78217-042 Mato Grosso, Brazil
| | - Solange Kimie Ikeda Castrillon
- Post-Graduation Program in Environmental Science, Faculty of Agricultural and Biological Sciences, State University of Mato Grosso (UNEMAT), Tancredo Neves Ave., 1095 - Cavalhada II, Caceres, 78217-042 Mato Grosso, Brazil
| | - Denise da Costa Boamorte Cortela
- Department of Medicine, Faculty of Health Sciences, State University of Mato Grosso (UNEMAT), Tancredo Neves Ave., 1095 - Cavalhada II, 78217-042 Caceres, Mato Grosso, Brazil
| | - Eliane Ignotti
- Post-Graduation Program in Environmental Science, Faculty of Agricultural and Biological Sciences, State University of Mato Grosso (UNEMAT), Tancredo Neves Ave., 1095 - Cavalhada II, Caceres, 78217-042 Mato Grosso, Brazil
| | - Omar Ariel Espinosa
- Faculty Estacio of Pantanal (Estacio FAPAN), São Luís, 2522 St - Cidade Nova, Caceres, 78201-000 Mato Grosso, Brazil
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Silva MTN, Santana JV, Bragagnoli G, Marinho AMDN, Malagueño E. Prevalence of Entamoeba histolytica/Entamoeba dispar in the city of Campina Grande, in northeastern Brazil. Rev Inst Med Trop Sao Paulo 2015; 56:451-4. [PMID: 25229229 PMCID: PMC4172120 DOI: 10.1590/s0036-46652014000500015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2012] [Accepted: 03/19/2014] [Indexed: 11/22/2022] Open
Abstract
There is a clear need to perform epidemiological studies to find the
true prevalence of Entamoeba histolytica around the world. The
evaluation of this prevalence has been hindered by the existence of two
different species which are morphologically identical, but genetically
different, namely E. histolytica, which causes amebiasis, and
E. dispar, which is non-pathogenic. In Brazil, the
E. dispar has been detected in communities in the
Southeastern (SE) and Northeastern (NE) regions with poor
sanitation. However, individuals infected with E. histolytica
have been identified in other regions. There is an absence of reports on the
prevalence of these parasites in the state of Paraíba, which also has areas
with poor sanitary conditions where a high prevalence of the E.
histolytica/E. dispar complex has been detected in children
from urban slums. The present study evaluated the prevalence of E.
histolytica and E. dispar in 1,195 asymptomatic
children between two and 10 years of age, living in a sprawling urban slum in
Campina Grande, in the state of Paraíba, in Northeastern Brazil. These
children were examined and their feces samples were analyzed microscopically. A
total of 553 children tested positive for the E. histolytica/E.
dispar complex, and 456 of the positive samples were tested with
the E. histolytica II® ELISA kit. All 456 samples were
negative for the presence of the adhesin E. histolytica
specific antigen. The evidence suggests that in this community E.
histolytica is absent and E. dispar is the
dominant species.
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Affiliation(s)
| | - José Valfrido Santana
- Laboratório de Imunopatologia Keizo Asami (LIKA), Universidade Federal de Pernambuco, Recife, Brazil
| | - Gérson Bragagnoli
- Centro de Ciências Biológicas e da Saúde, Universidade Federal de Campina Grande, Paraíba, Brazil
| | | | - Elizabeth Malagueño
- Laboratório de Imunopatologia Keizo Asami (LIKA), Universidade Federal de Pernambuco, Recife, Brazil
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Deesomsak M, Sukeepaisarnjaroen W, Sawanyawisuth K. Differential diagnosis of ulcers throughout the colon. Rev Soc Bras Med Trop 2014; 47:401. [PMID: 25075497 DOI: 10.1590/0037-8682-0043-2014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2014] [Accepted: 05/14/2014] [Indexed: 11/22/2022] Open
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Dourado A, Maciel A, Aca IDS. [Occurrence of Entamoeba histolytica/Entamoeba dispar in ambulatory patients of Recife, PE]. Rev Soc Bras Med Trop 2007; 39:388-9. [PMID: 17119758 DOI: 10.1590/s0037-86822006000400015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2005] [Accepted: 05/15/2006] [Indexed: 11/22/2022] Open
Abstract
The objective this study was to determine the occurrence of the species Entamoeba histolytica/Entamoeba díspar in clinical samples of ambulatory patients in Pernambuco. A specific assay for Entamoeba histolytica was used in this study, which identified no positive fecal samples among the 213 patients. These results confirm that E. dispar is the dominant species in Pernambuco State.
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Affiliation(s)
- Antônio Dourado
- Acadêmico do Curso de Biomedicina, Universidade Federal de Pernambuco, Recife, PE
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Silva MCDM, Monteiro CDSP, Araújo BDAV, Silva JV, Póvoa MM. [Determination of Entamoeba histolytica infection in patients from Greater Metropolitan Belém, Para, Brazil, by enzyme-linked immunosorbent assay (ELISA) for antigen detection]. CAD SAUDE PUBLICA 2005; 21:969-73. [PMID: 15868057 DOI: 10.1590/s0102-311x2005000300033] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The epidemiological status of amebiasis has been reevaluated since Entamoeba histolytica (pathogenic) was considered a distinct species from Entamoeba dispar (non-pathogenic). We investigated E. histolytica antigens in stool samples from residents of Belém, Para State, Brazil, with commercially available enzyme-linked immunosorbent assay (E. histolytica Test, TechLab Inc., Blacksburg, USA). A total of 845 samples were analyzed, of which 248 were positive (29.35%). E. histolytica infection was more frequent in the over-14-year age group (30.36%) than in the 0-14-year group (28.28%), but the difference was not statistically significant (p < 0.05). Of all the samples, 334 were also submitted to parasitological methods (direct, Hoffman, and Faust et al.). There were discordant results between ELISA and parasitological methods in 83 samples (24.85%), with more positive results using ELISA. Our results thus suggest that intestinal amebiasis is an important public health problem in Greater Metropolitan Belém.
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Pinheiro SMB, Maciel RF, Morais MA, Aca IS, Carvalho LB, Coimbra MRM. Genetic characterization of Entamoeba dispar isolates in Northeast Brazil. Acta Trop 2005; 94:35-40. [PMID: 15777694 DOI: 10.1016/j.actatropica.2005.01.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2004] [Revised: 12/23/2004] [Accepted: 01/18/2005] [Indexed: 11/28/2022]
Abstract
The genetic variability of Entamoeba dispar strains was investigated in 39 positive isolates on a survey of 1783 individuals from two different cities of Northeast Brazil (Recife and Macaparana) using two polymorphic species-specific loci (loci 1-2 and 5-6). A combinatory clustering analysis revealed no geographical correlation and remarkable genetic polymorphism among all the isolates examined. Nevertheless, a comparison of the frequency of eight individual PCR products, shared by both Recife and Macaparana populations, for the two loci, showed that only one product of locus 5-6 was significantly different between the two cities. These results suggested that the Macaparana population is infected by similar strains and that locus 5-6 shows potential in assaying questions related to the molecular epidemiology of this region.
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Affiliation(s)
- Sandra M B Pinheiro
- Laboratório de Imunopatologia Keizo Asami, Universidade Federal de Pernambuco, Cidade Universitária, Av. Prof. Moraes Rego, Recife, Pernambuco, Brazil
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Motta CM, Beltrão EI, Amorim RV, Carvalho Júnior LB. Entamoeba histolytica and Entamoeba dispar in the northeast Brazil. Rev Inst Med Trop Sao Paulo 1997; 39:365-6. [PMID: 9674291 DOI: 10.1590/s0036-46651997000600012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
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Dreyer G, Fernandes-Silva E, Alves S, Rocha A, Albuquerque R, Addiss D. Patterns of detection of Strongyloides stercoralis in stool specimens: implications for diagnosis and clinical trials. J Clin Microbiol 1996; 34:2569-71. [PMID: 8880521 PMCID: PMC229319 DOI: 10.1128/jcm.34.10.2569-2571.1996] [Citation(s) in RCA: 101] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Reported efficacies of drugs used to treat Strongyloides stercoralis infection vary widely. Because diagnostic methods are insensitive, therapeutic trials generally require multiple negative posttreatment stool specimens as evidence of drug efficacy. However, only a single positive stool specimen is usually required for study enrollment. To determine the reproducibility of detection of S. stercoralis larvae in the stool, 108 asymptomatic infected men submitted 25 g of fresh stool once a week for eight consecutive weeks for examination by the Baermann technique. During the 8-week study, 239 (27.7%) of 864 stool specimens were positive for S. stercoralis. Rates of detection of larvae in the stool specimens ranged from eight of eight specimens in 3 (2.8%) men to none of eight specimens in 36 (33.3%) men. Of 43 men for whom S. stercoralis was detected in at least two of the first four stool specimens, only 1 (2.3%) man tested negative on all of the next four specimens. In comparison, of 29 men who had detectable larvae in only one of the first four specimens, 22 (75.9%) tested negative on all of the next four samples. Thus, if these 29 men had been enrolled in a therapeutic trial between the first and second sets of four specimens, the efficacy of a drug with no activity against this parasite would have been estimated to be 76%. These data suggest that patterns of S. stercoralis detection vary widely among infected persons and that intermittent larval shedding can lead to inflated estimates of drug efficacy. Before a patient is entered in a clinical trial of drug efficacy, four consecutive stool specimens should be examined for S. stercoralis; only persons with two or more positive specimens should be enrolled.
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Affiliation(s)
- G Dreyer
- Departamento de Parasitologia, Centro de Pesquisas Aggeu Magalhaes-FIOCRUZ, Recife, Brazil
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