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Guarch-Ibáñez B, Carreras-Abad C, Frick MA, Blázquez-Gamero D, Baquero-Artigao F, Fuentes-Corripio I, Soler-Palacin P. Results of the REIV-TOXO national survey on prenatal screening for toxoplasmosis in Spain. ENFERMEDADES INFECCIOSAS Y MICROBIOLOGIA CLINICA (ENGLISH ED.) 2024:S2529-993X(24)00011-X. [PMID: 38296670 DOI: 10.1016/j.eimce.2024.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 07/21/2023] [Accepted: 08/02/2023] [Indexed: 02/02/2024]
Abstract
INTRODUCTION Currently, the status of serological screening for toxoplasmosis in pregnant women in Spain is unknown, and there is no official recommendation. The objective of this study is to show the current practice of gestational screening for toxoplasmosis in hospitals belonging to the Spanish Network for Research on Congenital Toxoplasmosis (REIV-TOXO). METHODS An electronic survey was sent between April 2021 and September 2021 to investigators from 118 hospitals of REIV-TOXO, representing all Spanish regions. Nine items related to gestational screening for toxoplasmosis were collected. This information was compared with cases of congenital toxoplasmosis (CT) identified in REIV-TOXO to determine if these were diagnosed in the presence of gestational screening. RESULTS During the study period, serological screening was performed in 53.3% (63/118) hospitals, with variations between regions and even among hospitals within the same region. Testing performed in each trimester was the most common practice (57.7%), followed by a single determination (24.4%). 89.4% of CT cases between January 2015 and September 2021 were diagnosed due to gestational screening. CONCLUSION The decision to perform gestational screening for toxoplasmosis in Spain is highly heterogeneous, with significant local and regional differences. Despite this, screening still allows the diagnosis of most CT cases. It is urgent to have current epidemiological data to inform decision-making in public health.
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Affiliation(s)
- Borja Guarch-Ibáñez
- Unidad de Infectología pediátrica ICS-IAS de Girona, Servicio de Pediatría, Hospital Universitari Dr. Josep Trueta; Universitat de Girona, Girona, Spain.
| | - Clara Carreras-Abad
- Unidad de Infectología Pediátrica, Servicio de Pediatría, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain
| | - Maria Antoinette Frick
- Unidad de Patología Infecciosa e Immunodeficiencias de Pediatría, Hospital Infantil Vall d'Hebron, Barcelona Hospital Campus, Barcelona, Catalunya, España; Vall d'Hebron Research Institute, Barcelona, Spain; Grupo de Trabajo de Infecciones Congénitas, Sociedad Española de Infectología Pediátrica (SEIP), Spain
| | - Daniel Blázquez-Gamero
- Grupo de Trabajo de Infecciones Congénitas, Sociedad Española de Infectología Pediátrica (SEIP), Spain; Unidad de Infectología Pediátrica, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Fernando Baquero-Artigao
- Unidad de Infectología Pediátrica, Hospital La Paz; Universidad Autónoma de Madrid; CIBERINFEC, Instituto de Salud Carlos III, Madrid, Spain
| | - Isabel Fuentes-Corripio
- Unidad de Toxoplasmosis y protozoos intestinales, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Madrid, Spain
| | - Pere Soler-Palacin
- Unidad de Patología Infecciosa e Immunodeficiencias de Pediatría, Hospital Infantil Vall d'Hebron, Barcelona Hospital Campus, Barcelona, Catalunya, España; Vall d'Hebron Research Institute, Barcelona, Spain; Grupo de Trabajo de Infecciones Congénitas, Sociedad Española de Infectología Pediátrica (SEIP), Spain
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Sawers L, Wallon M, Mandelbrot L, Villena I, Stillwaggon E, Kieffer F. Prevention of congenital toxoplasmosis in France using prenatal screening: A decision-analytic economic model. PLoS One 2022; 17:e0273781. [PMID: 36331943 PMCID: PMC9635746 DOI: 10.1371/journal.pone.0273781] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 08/15/2022] [Indexed: 11/06/2022] Open
Abstract
Background Toxoplasma gondii is one of the world’s most common parasites. Primary infection of the mother during pregnancy can lead to transmission to the fetus with risks of brain and eye lesions, which may cause lifelong disabilities. France instituted a national program based on monthly retesting of susceptible pregnant women to reduce the number of severe cases through prompt antenatal and postnatal treatment and follow-up. Objective To evaluate the ability of the French prenatal retesting program to reduce the lifetime costs of congenital toxoplasmosis. Methods We measured and then compared the costs and benefits of screening vs. not screening using decision-tree modelling. It included direct and indirect costs to society of treatment and care, and the lifetime lost earnings of children and caregivers. A probabilistic sensitivity analysis was carried out. Findings Total lifetime costs per live born child identified as congenitally infected were estimated to be €444 for those identified through prenatal screening vs €656 for those who were not screened. Estimates were robust to changes in all costs of diagnosis, treatment, and sequelae. Interpretation Screening for the prevention of the congenital T. gondii infection in France is cost saving at €212 per birth. Compared with no screening, screening every pregnant woman in France for toxoplasmosis in 2020 would have saved the country €148 million in addition to reducing or eliminating the devastating physical and emotional suffering caused by T. gondii. Our findings reinforce the conclusions of other decision-analytic modelling of prenatal toxoplasmosis screening.
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Affiliation(s)
- Larry Sawers
- Department of Economics, American University, Washington, D.C., United States of America
| | - Martine Wallon
- Department of Parasitology and Medical Mycology, Hospices Civils de Lyon, Lyon, France
- Walking Team, Centre for Research in Neuroscience, Lyon, Bron, France
| | - Laurent Mandelbrot
- Obstetrics and Gynecology Department, Hôpital Louis Mourier, Assistance Publique-Hôpitaux de Paris, Colombes, France
- Université de Paris, Paris, France
- INSERM, IAME, UMR 1137, Paris, France
| | - Isabelle Villena
- Department of Parasitology and Medical Mycology, National Reference Centre on Toxoplasmosis, Hôpital Reims, Reims, France
- Team EA 7510, SFR CAP-SANTE, University of Reims Champagne Ardenne, Reims, France
| | - Eileen Stillwaggon
- National School of Tropical Medicine, Baylor College of Medicine, Houston, Texas, United States of America
| | - François Kieffer
- Department of Neonatology, Hôpital Armand Trousseau, Assistance Publique-Hôpitaux de Paris, Paris, France
- * E-mail:
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Petersen E, Meroni V, Vasconcelos-Santos DV, Mandelbrot L, Peyron F. Congenital toxoplasmosis: Should we still care about screening? Food Waterborne Parasitol 2022; 27:e00162. [PMID: 35782022 PMCID: PMC9249550 DOI: 10.1016/j.fawpar.2022.e00162] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 05/02/2022] [Accepted: 05/06/2022] [Indexed: 11/18/2022] Open
Abstract
Prenatal systematic screening for congenital toxoplasmosis has been performed in Austria and France since 1975 and neonatal screening for congenital toxoplasmosis has been part of the New England Newborn screening program since 1986. In this narrative review we review the data leading up to the systematic screening programs in Austria and France, highlighting the main finding of the European Union funded research in the 1990s and early 2000s. Different descriptive studies of the effect of pre- or postnatal treatment are discussed. Toxoplasma gondii has different genetic lineages with different pathogenicity in humans. This means that results in areas with a low pathogenic lineage cannot be extrapolated to an area with highly pathogenic lineages. The importance of meat as a source of infection is discussed in the light of an increased prevalence of T.gondii in organic livestock production .
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Affiliation(s)
- Eskild Petersen
- Institute for Clinical Medicine, Faculty of Health Science, University of Aarhus, Denmark
- European Society for Clinical Microbiology and Infectious Diseases, Emerging Infections Task Force, Basel, Switzerland
- Correspondong author at: Institute for Clinical Medicine, University of Aarhus, Denmark.
| | - Valeria Meroni
- Molecular Medicine Department, University of Pavia, Pavia, Italy
| | | | - Laurent Mandelbrot
- Assistance Publique-Hôpitaux de Paris, Service de Gynécologie-Obstétrique, Hôpital Louis Mourier, Colombes, France; Université de Paris; Inserm IAME-U1137, Paris, France; FHU PREMA, Paris, France
| | - Francois Peyron
- Institut de Parasitologie et de Mycologie Médicale Hôpital de la Croix Rousse, Lyon, France
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Baloga O, Korchynska O, Zhultakova S, Shlosserova A, Andrashchikova S. MODERN ASPECTS OF INTRAUTERINE INFECTION. WIADOMOSCI LEKARSKIE (WARSAW, POLAND : 1960) 2022; 75:1395-1402. [PMID: 35758464 DOI: 10.36740/wlek202205229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
OBJECTIVE The aim: To analyze the main types of intrauterine infections(IUI), their routes of transmission and features of the clinical picture, as well as the influence of pathogens on the course of pregnancy. PATIENTS AND METHODS Materials and methods: Data review of native and foreign literature published over the past 5 years. CONCLUSION Conclusions: Summing up, it should be noted the role of infections in the pathogenesis of pathological conditions that form in the perinatal period. This is evidenced by numerous works on the problem of CBS. The most significant perinatal risk factors for fetal infection have been identified. It is proved that in the development of infectious lesions of the fetus, the severity of the disease, the localization of the pathological process, the rate of implementation, and manifestations of the pathology are an important type of pathogen, the path of penetration of microorganisms from mother to fetus to the immune response. Unfortunately, today the problem of preventing CBS is still far from being solved. However, knowledge of the pathogenesis, quality diagnostic methods, effective prevention, and treatment measures can significantly reduce the frequency of VUI and the severity of their consequences for the child.
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Affiliation(s)
- Olga Baloga
- UZHHOROD NATIONAL UNIVERSITY, UZHHOROD, UKRAINE
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Voyiatzaki C, Orovas C, Trapali M, Chaniotis DI, Kriebardis AG, Beloukas A, Thalassinos ND, Orovou E, Iatrakis G, Antoniou E. The Importance of Use of the On-line Databases as a Source for Systematic Review of Toxoplasmosis Screening During Pregnancy. Acta Inform Med 2021; 29:216-223. [PMID: 34759463 PMCID: PMC8563042 DOI: 10.5455/aim.2021.29.216-223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 09/12/2021] [Indexed: 11/03/2022] Open
Abstract
BACKGROUND Infection with the parasite Toxoplasma gondii is a common infection in animals and humans worldwide. This infection can occur after ingestion of water or food contaminated with cat oocytes, ingestion of tissue cysts in mammalian and avian meat and congenitally. The prenatal infection can lead to Congenital Toxoplasmosis with miscarriage or stillbirth. After infection, laboratory tests are positive within 2-3 weeks and remain positive throughout life. However, testing for Toxoplasma infection during pregnancy is necessary in some countries, while in others it is not a mandatory "screening" test. OBJECTIVE The aim of this study was to review systematically the screening of toxoplasmosis in pregnancy in different countries worldwide. METHODS Cohorts, retrospective and cross-sectional studies were incorporated in our review, finally including 11 articles from an initial pool of 1532 related papers. RESULTS The seroprevalence of pregnant women varies from countries with low prevalence to regions with high prevalence and screening policies also differ. Most countries worldwide have control policies, while Germany and Mexico that do not have systematic screening for Toxoplasma during the prenatal period. CONCLUSION Our results show that Congenital Toxoplasmosis is very rare in some countries and it is very difficult to find a balance between potential risk and benefit of a screening program. For this reason, some countries are limited to prenatal counseling to reduce CT. In addition, the reduction of major sources of contamination especially in developing countries is the most important prevention measure.
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Mandelbrot L, Kieffer F, Wallon M, Winer N, Massardier J, Picone O, Fuchs F, Benoist G, Garcia-Meric P, L'Ollivier C, Paris L, Piarroux R, Villena I, Peyron F. [Toxoplasmosis in pregnancy: Practical Management]. ACTA ACUST UNITED AC 2021; 49:782-791. [PMID: 33677120 DOI: 10.1016/j.gofs.2021.03.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Indexed: 11/28/2022]
Abstract
The burden of congenital toxoplasmosis has become small in France today, in particular as a result of timely therapy for pregnant women, fetuses and newborns. Thus, the French screening and prevention program has been evaluated and recently confirmed despite a decline over time in the incidence of toxoplasmosis. Serological diagnosis of maternal seroconversion is usually simple but can be difficult when the first trimester test shows the presence of IgM, requiring referral to an expert laboratory. Woman with confirmed seroconversion should be referred quickly to an expert center, which will decide with her on treatment and antenatal diagnosis. Although the level of proof is moderate, there is a body of evidence in favor of active prophylactic prenatal treatment started as early as possible (ideally within 3 weeks of seroconversion) to reduce the risk of maternal-fetal transmission, as well as symptoms in children. The recommended therapies to prevent maternal-fetal transmission are: (1) spiramycin in case of maternal infection before 14 gestational weeks; (2) pyrimethamine and sulfadiazine (P-S) with folinic acid in case of maternal infection at 14 WG or more. Amniocentesis is recommended to guide prenatal and neonatal care. If fetal infection is diagnosed by PCR on amniotic fluid, therapy with P-S should be initiated as early as possible or continued in order reduce the risk of damage to the brain or eyes. Further research is required to validate new approaches to preventing congenital toxoplasmosis.
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Affiliation(s)
- L Mandelbrot
- AP-HP hôpital Louis-Mourier service de gynécologie-obstétrique, 178, rue des Renouillers, 92700 Colombes France; Université de Paris, Paris, France; Inserm IAME-U1137, Paris, France; FHU PREMA, Paris, France.
| | - F Kieffer
- FHU PREMA, Paris, France; Assistance Publique-hôpitaux de Paris, hôpital Armand Trousseau, Service de néonatologie, Paris, France
| | - M Wallon
- Hospices Civils de Lyon, hôpital de la Croix-Rousse, service de parasitologie-Mycologie Médicale, Lyon, France; INSERM U1028-CNRS UMR 5292, université Claude-Bernard, université Lyon-1, Bron, France
| | - N Winer
- Centre hospitalier universitaire de Nantes, service de gynécologie-obstétrique, et NUN, INRA, UMR 1280, Phan Université de Nantes, 44000 Nantes, France
| | - J Massardier
- INSERM U1028-CNRS UMR 5292, université Claude-Bernard, université Lyon-1, Bron, France; Hospices civils de Lyon, hôpital de la Croix-Rousse, service de gynécologie-obstétrique, Lyon, France
| | - O Picone
- AP-HP hôpital Louis-Mourier service de gynécologie-obstétrique, 178, rue des Renouillers, 92700 Colombes France; Université de Paris, Paris, France; Inserm IAME-U1137, Paris, France; FHU PREMA, Paris, France
| | - F Fuchs
- Service de gynécologie obstétrique CHU de Montpellier, Hopital Arnaud de Villeneuve, 371, avenue du Doyen Gaston-Giraud, 34295 Montpellier Cedex 5, France; Inserm, CESP Centre de recherche en Epidémiologie et Santé des Populations, U1018, Reproduction et Développement de l'enfant, 94807 Villejuif, France; Institut Desbrest d'epidemiologie et de santé publique, UMR inserm - université de Montpellier, Montpellier, France
| | - G Benoist
- Obstetrics and gynecology, Caen university Hospital, 14000 Caen, France
| | - P Garcia-Meric
- Assistance Publique-hôpitaux de Marseille, service de médecine néonatale, hôpital de la Conception, Marseille, France
| | - C L'Ollivier
- Aix Marseille Université, IRD, AP-HM, SSA, VITROME, IHU Méditerranée Infection, Marseille, France
| | - L Paris
- Assistance Publique-hôpitaux de Paris, hôpital Pitié-Salpêtrière, service de Parasitologie, Paris, France
| | - R Piarroux
- Assistance Publique-hôpitaux de Paris, hôpital Pitié-Salpêtrière, service de Parasitologie, Paris, France; Sorbonne Université, IPLESP UMR 1136, inserm, Paris, France
| | - I Villena
- Service de parasitologie-mycologie, centre national de référence de la toxoplasmose, centre de ressources biologiques toxoplasma, CHU Reims, Reims, France; EA 7510, laboratoire parasitologie-mycologie, université Reims Champagne -Ardenne, Reims, France
| | - F Peyron
- Hospices Civils de Lyon, hôpital de la Croix-Rousse, service de parasitologie-Mycologie Médicale, Lyon, France; INSERM U1028-CNRS UMR 5292, université Claude-Bernard, université Lyon-1, Bron, France
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Hui L, Ghidini A. 40 years of prenatal diagnosis in 2020. Prenat Diagn 2020; 40:1623-1626. [PMID: 33373073 DOI: 10.1002/pd.5867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 11/15/2020] [Indexed: 11/06/2022]
Affiliation(s)
- Lisa Hui
- Department of Obstetrics and Gynaecology, University of Melbourne, Parkville, Victoria, Australia.,Reproductive Epidemiology Group, Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Alessandro Ghidini
- Perinatal Diagnostic Center, Inova Alexandria Hospital, Alexandria, Virginia, USA
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