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Dittmer FP, Guimarães CDM, Peixoto AB, Pontes KFM, Bonasoni MP, Tonni G, Araujo Júnior E. Parvovirus B19 Infection and Pregnancy: Review of the Current Knowledge. J Pers Med 2024; 14:139. [PMID: 38392573 PMCID: PMC10890458 DOI: 10.3390/jpm14020139] [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: 12/29/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/24/2024] Open
Abstract
Parvovirus B19, a member of the Parvoviridae family, is a human pathogenic virus. It can be transmitted by respiratory secretions, hand-to-mouth contact, blood transfusion, or transplacental transmission. Most patients are asymptomatic or present with mild symptoms such as erythema infectiosum, especially in children. In rare cases, moderate-to-severe symptoms may occur, affecting blood cells and other systems, resulting in anemia, thrombocytopenia, and neutropenia. Non-immune pregnant women are at risk for fetal infection by parvovirus B19, with greater complications if transmission occurs in the first or second trimester. Infected fetuses may not show any abnormalities in most cases, but in more severe cases, there may be severe fetal anemia, hydrops, and even pregnancy loss. Maternal diagnosis of intrauterine parvovirus B19 infection includes IgG and IgM antibody testing. For fetal diagnosis, PCR is performed through amniocentesis. In addition to diagnosing the infection, it is important to monitor the peak of systolic velocity of the middle cerebral artery (PVS-MCA) Doppler to assess the presence of fetal anemia. There is no vaccine for parvovirus B19, and fetal management focuses on detecting moderate/severe anemia by fetal PVS-MCA Doppler, which, if diagnosed, should be treated with intrauterine transfusion by cordocentesis. Prevention focuses on reducing exposure in high-risk populations, particularly pregnant women.
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Affiliation(s)
- Fernanda Parciasepe Dittmer
- Department of Obstetrics, Paulista School of Medicine, Federal University of São Paulo (EPM-UNIFESP), São Paulo 04023-062, SP, Brazil
| | - Clara de Moura Guimarães
- Department of Obstetrics, Paulista School of Medicine, Federal University of São Paulo (EPM-UNIFESP), São Paulo 04023-062, SP, Brazil
| | - Alberto Borges Peixoto
- Gynecology and Obstetrics Service, Mário Palmério University Hospital, University of Uberaba (UNIUBE), Uberaba 38050-501, MG, Brazil
- Department of Gynecology and Obstetrics, Federal University of Triângulo Mineiro (UFTM), Uberaba 38025-440, MG, Brazil
| | - Karina Felippe Monezi Pontes
- Department of Obstetrics, Paulista School of Medicine, Federal University of São Paulo (EPM-UNIFESP), São Paulo 04023-062, SP, Brazil
- Service of Gynecology and Obstetrics, Ipiranga Hospital, São Paulo 04262-000, SP, Brazil
| | - Maria Paola Bonasoni
- Department of Pathology, Santa Maria Nuova Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), AUSL Reggio Emilia, 50122 Reggio Emilia, Italy
| | - Gabriele Tonni
- Department of Obstetrics and Neonatology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), AUSL Reggio Emilia, 42122 Reggio Emilia, Italy
| | - Edward Araujo Júnior
- Department of Obstetrics, Paulista School of Medicine, Federal University of São Paulo (EPM-UNIFESP), São Paulo 04023-062, SP, Brazil
- Discipline of Woman Health, Municipal University of São Caetano do Sul (USCS), São Caetano do Sul 09521-160, SP, Brazil
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Crowe EP, Hasan R, Saifee NH, Bakhtary S, Miller JL, Gonzalez-Velez JM, Goel R. How do we perform intrauterine transfusions? Transfusion 2023; 63:2214-2224. [PMID: 37888489 DOI: 10.1111/trf.17570] [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: 08/01/2023] [Revised: 09/25/2023] [Accepted: 09/26/2023] [Indexed: 10/28/2023]
Abstract
BACKGROUND Intrauterine transfusion (IUT) is an invasive but critical and potentially life-saving intervention for severe fetal anemia with demonstrated improvement in outcomes. The fetus is vulnerable to hemodynamic alterations and transfusion-related adverse events; therefore, special consideration must be given to blood component selection and modification. There is widespread IUT practice variability, and existing guidance primarily relies on expert opinion and single center experiences. STUDY DESIGN AND METHODS Experts in Maternal Fetal Medicine, Pediatric Hematology, and Transfusion Medicine from centers across the United States, collectively performing about 120 IUT annually, offer a multidisciplinary perspective on the performance of IUT and preparation of blood components. This perspective includes strategies for identifying an at-risk fetus, communicating between disciplines, determining the necessary blood volume, selecting and processing blood components, documenting the procedure in medical record, and managing the neonate. RESULTS Identifying an at-risk fetus relies on review of the clinical history, non-invasive monitoring, and laboratory evaluation. We recommend the use of relatively fresh, group O, cytomegalovirus-safe, freshly irradiated, red blood cells (RBC) that are Hemoglobin S negative and antigen-negative for any maternal antibody, if indicated. These RBC units should be concentrated to remove additives and increase the hematocrit thus minimizing fluctuations in fetal volume status. The units intended for IUT should be labeled clearly and the documentation of transfusion differentiated in the maternal medical record. DISCUSSION An awareness of the technical, logistical, and regulatory considerations for IUT performance will facilitate improved communication and patient care, especially when rare units of RBC are required.
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Affiliation(s)
- Elizabeth P Crowe
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Rida Hasan
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, Washington, USA
- Department of Laboratory Medicine, Seattle Children's Hospital, Seattle, Washington, USA
| | - Nabiha H Saifee
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, Washington, USA
- Department of Laboratory Medicine, Seattle Children's Hospital, Seattle, Washington, USA
| | - Sara Bakhtary
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, California, USA
| | - Jena L Miller
- The Johns Hopkins Center for Fetal Therapy, Department of Gynecology and Obstetrics, Johns Hopkins University, Baltimore, Maryland, USA
| | - Juan M Gonzalez-Velez
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of California San Francisco, San Francisco, California, USA
| | - Ruchika Goel
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Corporate Medical Affairs, Vitalant, Scottsdale, Arizona, USA
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Kosian P, Hellmund A, Geipel A, Bald R, Geist OM, Böckenhoff P, Jimenez-Cruz J, Deja M, Strizek B, Berg C, Gembruch U. Intrauterine transfusion in 103 fetuses with severe anemia caused by parvovirus infection. A multicenter retrospective study. Arch Gynecol Obstet 2022; 308:117-125. [PMID: 35916962 DOI: 10.1007/s00404-022-06712-z] [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: 05/19/2022] [Accepted: 07/17/2022] [Indexed: 11/02/2022]
Abstract
PURPOSE Evaluating procedure-related complications and perinatal outcomes after intrauterine transfusion (IUT) before or after 20+0 weeks of gestation in fetuses with severe anemia due to intrauterine human parvovirus B19 infection. METHODS A retrospective study investigating fetuses requiring IUT for fetal Parvo B19 infection in two tertiary referral centers between December 2002 and December 2021. Procedure-related complications, intrauterine fetal death (IUFD), and perinatal outcome were correlated to gestational age (GA) at first IUT, the presence of hydrops and fetal blood sampling results. RESULTS A total of 186 IUTs were performed in 103 fetuses. The median GA at first IUT was 19+3 (13+0-31+4) weeks of gestation. IUFD occurred in 16/103 fetuses (15.5%). Overall survival was 84.5% (87/103). Hydrops (p = 0.001), lower mean hemoglobin at first IUT (p = 0.001) and low platelets (p = 0.002) were strongly associated with IUFD. There was no difference observed in fetuses transfused before or after 20+0 weeks of gestation. CONCLUSION IUT is a successful treatment option in fetuses affected by severe anemia due to parvovirus B19 infection in specialized centers. In experienced hands, IUT before 20 weeks is not related to worse perinatal outcome.
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Affiliation(s)
- Philipp Kosian
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany.
| | | | - Annegret Geipel
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
| | - Rainer Bald
- Department of Gynecology and Obstetrics, Klinikum Leverkusen, Leverkusen, Germany
| | - Otilia-Maria Geist
- Department of Gynecology and Obstetrics, Klinikum Leverkusen, Leverkusen, Germany
| | - Paul Böckenhoff
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
| | - Jorge Jimenez-Cruz
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
| | - Maria Deja
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
| | - Brigitte Strizek
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
| | - Christoph Berg
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany.,Division of Prenatal Medicine and Gynecologic Sonography, Department of Obstetrics and Gynecology, University of Cologne, Cologne, Germany
| | - Ulrich Gembruch
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
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Auriti C, De Rose DU, Santisi A, Martini L, Piersigilli F, Bersani I, Ronchetti MP, Caforio L. Pregnancy and viral infections: Mechanisms of fetal damage, diagnosis and prevention of neonatal adverse outcomes from cytomegalovirus to SARS-CoV-2 and Zika virus. Biochim Biophys Acta Mol Basis Dis 2021; 1867:166198. [PMID: 34118406 PMCID: PMC8883330 DOI: 10.1016/j.bbadis.2021.166198] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 05/07/2021] [Accepted: 06/03/2021] [Indexed: 02/07/2023]
Abstract
Some maternal infections, contracted before or during pregnancy, can be transmitted to the fetus, during gestation (congenital infection), during labor and childbirth (perinatal infection) and through breastfeeding (postnatal infection). The agents responsible for these infections can be viruses, bacteria, protozoa, fungi. Among the viruses most frequently responsible for congenital infections are Cytomegalovirus (CMV), Herpes simplex 1–2, Herpes virus 6, Varicella zoster. Moreover Hepatitis B and C virus, HIV, Parvovirus B19 and non-polio Enteroviruses when contracted during pregnancy may involve the fetus or newborn at birth. Recently, new viruses have emerged, SARS-Cov-2 and Zika virus, of which we do not yet fully know the characteristics and pathogenic power when contracted during pregnancy. Viral infections in pregnancy can damage the fetus (spontaneous abortion, fetal death, intrauterine growth retardation) or the newborn (congenital anomalies, organ diseases with sequelae of different severity). Some risk factors specifically influence the incidence of transmission to the fetus: the timing of the infection in pregnancy, the order of the infection, primary or reinfection or chronic, the duration of membrane rupture, type of delivery, socio-economic conditions and breastfeeding. Frequently infected neonates, symptomatic at birth, have worse outcomes than asymptomatic. Many asymptomatic babies develop long term neurosensory outcomes. The way in which the virus interacts with the maternal immune system, the maternal-fetal interface and the placenta explain these results and also the differences that are observed from time to time in the fetal‑neonatal outcomes of maternal infections. The maternal immune system undergoes functional adaptation during pregnancy, once thought as physiological immunosuppression. This adaptation, crucial for generating a balance between maternal immunity and fetus, is necessary to promote and support the pregnancy itself and the growth of the fetus. When this adaptation is upset by the viral infection, the balance is broken, and the infection can spread and lead to the adverse outcomes previously described. In this review we will describe the main viral harmful infections in pregnancy and the potential mechanisms of the damages on the fetus and newborn.
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Affiliation(s)
- Cinzia Auriti
- Neonatal Intensive Care Unit, Medical and Surgical Department of Fetus, Newborn and Infant - "Bambino Gesù" Children's Hospital IRCCS, Rome, Italy.
| | - Domenico Umberto De Rose
- Neonatal Intensive Care Unit, Medical and Surgical Department of Fetus, Newborn and Infant - "Bambino Gesù" Children's Hospital IRCCS, Rome, Italy.
| | - Alessandra Santisi
- Neonatal Intensive Care Unit, Medical and Surgical Department of Fetus, Newborn and Infant - "Bambino Gesù" Children's Hospital IRCCS, Rome, Italy.
| | - Ludovica Martini
- Neonatal Intensive Care Unit, Medical and Surgical Department of Fetus, Newborn and Infant - "Bambino Gesù" Children's Hospital IRCCS, Rome, Italy.
| | - Fiammetta Piersigilli
- Department of Neonatology, St-Luc University Hospital, Catholic University of Louvain, Brussels, Belgium.
| | - Iliana Bersani
- Neonatal Intensive Care Unit, Medical and Surgical Department of Fetus, Newborn and Infant - "Bambino Gesù" Children's Hospital IRCCS, Rome, Italy.
| | - Maria Paola Ronchetti
- Neonatal Intensive Care Unit, Medical and Surgical Department of Fetus, Newborn and Infant - "Bambino Gesù" Children's Hospital IRCCS, Rome, Italy.
| | - Leonardo Caforio
- Fetal and Perinatal Medicine and Surgery Unit, Medical and Surgical Department of Fetus, Newborn and Infant - "Bambino Gesù" Children's Hospital IRCCS, Rome, Italy.
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Sharma D, Tsibizova VI. Current perspective and scope of fetal therapy: part 1. J Matern Fetal Neonatal Med 2020; 35:3783-3811. [PMID: 33135508 DOI: 10.1080/14767058.2020.1839880] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Fetal therapy term has been described for any therapeutic intervention either invasive or noninvasive for the purpose of correcting or treating any fetal malformation or condition. Fetal therapy is a rapidly evolving specialty and has gained pace in last two decades and now fetal intervention is being tried in many malformations with rate of success varying with the type of different fetal conditions. The advances in imaging techniques have allowed fetal medicine persons to make earlier and accurate diagnosis of numerous fetal anomalies. Still many fetal anomalies are managed postnatally because the fetal outcomes have not changed significantly with the use of fetal therapy and this approach avoids unnecessary maternal risk secondary to inutero intervention. The short-term maternal risk associated with fetal surgery includes preterm labor, premature rupture of membranes, uterine wall bleeding, chorioamniotic separation, placental abruption, chorioamnionitis, and anesthesia risk. Whereas, maternal long-term complications include risk of infertility, uterine rupture, and need for cesarean section in future pregnancies. The decision for invasive fetal therapy should be taken after discussion with parents about the various aspects like postnatal fetal outcome without fetal intervention, possible outcome if the fetal intervention is done, available postnatal intervention for the fetal condition, and possible short-term and long-term maternal complications. The center where fetal intervention is done should have facility of multi-disciplinary team to manage both maternal and fetal complications. The major issues in the development of fetal surgery include selection of patient for intervention, crafting effective fetal surgical skills, requirement of regular fetal and uterine monitoring, effective tocolysis, and minimizing fetal and maternal fetal risks. This review will cover the surgical or invasive aspect of fetal therapy with available evidence and will highlight the progress made in the management of fetal malformations in last two decades.
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Affiliation(s)
- Deepak Sharma
- Department of Neonatology, National Institute of Medical Science, Jaipur, India
| | - Valentina I Tsibizova
- Almazov National Medical Research Centre, Health Ministry of Russian Federation, Saint Petersburg, Russia
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Attwood LO, Holmes NE, Hui L. Identification and management of congenital parvovirus B19 infection. Prenat Diagn 2020; 40:1722-1731. [PMID: 32860469 DOI: 10.1002/pd.5819] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 12/12/2022]
Abstract
Parvovirus B19 (B19V) infection is well known for its mild, self-limiting clinical presentations in children, such as erythema infectiosum. Approximately 40% of women of childbearing age are susceptible to B19V infection. While maternal B19V infection usually has a good prognosis, B19V can cause severe fetal anaemia and pregnancy loss due to its ability to suppress erythroid progenitor cells. Non-invasive ultrasound monitoring for fetal anaemia is usually performed if maternal seroconversion occurs in the first 20 weeks of gestation, with amniocentesis for fetal infection reserved for those who first present with fetal anaemia or hydrops of unknown cause. Intrauterine transfusion is the standard treatment for severe fetal anaemia and is associated with a significant improvement in survival. However, survivors of hydrops fetalis may have a higher rate of long-term neurodevelopmental complications compared with non-hydropic survivors. This review aims to synthesise published data on the diagnosis, surveillance and outcomes of congenital parvovirus infection to assist clinicians in diagnosing and managing this important condition.
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Affiliation(s)
- Lucy O Attwood
- Department of Infectious Diseases, Austin Health, Melbourne, Victoria, Australia
| | - Natasha E Holmes
- Department of Infectious Diseases, Austin Health, Melbourne, Victoria, Australia.,Department of Perinatal Medicine, Mercy Hospital for Women, Melbourne, Victoria, Australia.,Department of Medicine and Radiology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Lisa Hui
- Department of Perinatal Medicine, Mercy Hospital for Women, Melbourne, Victoria, Australia.,Department of Obstetrics and Gynaecology, The University of Melbourne, Melbourne, Victoria, Australia.,Reproductive Epidemiology group, Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Department of Obstetrics and Gynaecology, Northern Health, Melbourne, Victoria, Australia
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Khalil A, Sotiriadis A, Chaoui R, da Silva Costa F, D'Antonio F, Heath PT, Jones C, Malinger G, Odibo A, Prefumo F, Salomon LJ, Wood S, Ville Y. ISUOG Practice Guidelines: role of ultrasound in congenital infection. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2020; 56:128-151. [PMID: 32400006 DOI: 10.1002/uog.21991] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 01/27/2020] [Indexed: 06/11/2023]
Affiliation(s)
- A Khalil
- Fetal Medicine Unit, St George's University Hospitals NHS Foundation Trust, University of London, London, UK
- Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, UK
| | - A Sotiriadis
- Second Department of Obstetrics and Gynecology, Faculty of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - R Chaoui
- Center for Prenatal Diagnosis and Human Genetics, Berlin, Germany
| | - F da Silva Costa
- Department of Gynecology and Obstetrics, Ribeirao Preto Medical School, University of São Paulo, Ribeirao Preto, São Paulo, Brazil
- Department of Obstetrics and Gynaecology, Monash University, Melbourne, Australia
| | - F D'Antonio
- Women's Health and Perinatology Research Group, Department of Clinical Medicine, Faculty of Health Sciences, UiT - The Arctic University of Norway, Tromsø, Norway
- Department of Obstetrics and Gynecology, University Hospital of Northern Norway, Tromsø, Norway
| | - P T Heath
- Paediatric Infectious Diseases Research Group and Vaccine Institute, St George's University of London and St George's University Hospitals NHS Trust, London, UK
| | - C Jones
- Faculty of Medicine and Institute for Life Sciences, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - G Malinger
- Ultrasound Unit, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - A Odibo
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - F Prefumo
- Division of Obstetrics and Gynecology, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - L J Salomon
- Department of Obstetrics and Fetal Medicine, Hopital Necker-Enfants Malades, Assistance Publique-Hopitaux de Paris, Paris Descartes University, Paris, France
| | | | - Y Ville
- Department of Obstetrics and Fetal Medicine, Hopital Necker-Enfants Malades, Assistance Publique-Hopitaux de Paris, Paris Descartes University, Paris, France
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Chen H, Lin C, Fan Z, Yu W, Cao M, Ke C, Jiao X. Serum cytokines and clinical features in patients with fever and thrombocytopenia syndrome. Clin Chim Acta 2019; 494:22-30. [PMID: 30831067 PMCID: PMC7124278 DOI: 10.1016/j.cca.2019.02.034] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 01/11/2019] [Accepted: 02/28/2019] [Indexed: 02/05/2023]
Abstract
PURPOSE To explore the clinical, microbiological and immunological features of patients with fever and thrombocytopenia. METHODS Patients with unexplained fever and thrombocytopenia were enrolled. Viruses were detected using real-time PCR, and bacteria were measured by culturing methods. Serum cytokines, platelet antibody IgG (PA-IgG) and Helicobacter pylori (HP) were detected using ELISA. RESULTS Pathogens were detected in 74.68% of patients, which included single fungal/viral/bacterial infection and multiple infection. The pathogens could not be unidentified in 25.32% of cases. Cytokines including Interleukin (IL)-6, IL-10, interferon-γ(IFN-γ), platelet activating factor (PAF) and PA-IgG were significantly higher in patients as compared to healthy controls (P < .01 or P < .05). Principal component analyses extracted four groups of parameters that have a strong positive predicting value, revealing that disease status evaluation would be more accurate if we combined the platelet parameters and inflammatory biomarkers. While event-free survival (EFS) that indicates the time of platelet elevated after therapy was the highest in patients with single bacterial or fungal infection, EFS was affected by the levels of cytokines and PA-IgG. CONCLUSIONS Differences in immune function may be the main factors affecting the prognosis of patients with fever and thrombocytopenia, while treatment based on precise etiological diagnosis is important for therapeutic efficacy.
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Affiliation(s)
- Huanzhu Chen
- Cell Biology, Genetics Department, Shantou University Medical College, Shantou 515041, China; Department of Biochemistry, Medical College of Jiaying University, Meizhou 514031, China
| | - Chun Lin
- First Affiliated Hospital of Shantou University Medical College, Shantou 515041, China
| | - Zhiqiang Fan
- Cell Biology, Genetics Department, Shantou University Medical College, Shantou 515041, China
| | - Wenjun Yu
- Second Affiliated Hospital of Shantou University Medical College, Shantou 515041, China
| | - Manxiong Cao
- First Affiliated Hospital of Shantou University Medical College, Shantou 515041, China
| | - Changwen Ke
- Cell Biology, Genetics Department, Shantou University Medical College, Shantou 515041, China
| | - Xiaoyang Jiao
- Cell Biology, Genetics Department, Shantou University Medical College, Shantou 515041, China.
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Bascietto F, Liberati M, Murgano D, Buca D, Iacovelli A, Flacco ME, Manzoli L, Familiari A, Scambia G, D'Antonio F. Outcome of fetuses with congenital parvovirus B19 infection: systematic review and meta-analysis. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2018; 52:569-576. [PMID: 29785793 DOI: 10.1002/uog.19092] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 04/26/2018] [Accepted: 05/05/2018] [Indexed: 06/08/2023]
Abstract
OBJECTIVE To explore the outcome of fetuses affected by congenital parvovirus B19 (PB19) infection, with or without signs of hydrops on ultrasound. METHODS PubMed, EMBASE and CINAHL databases were searched for studies reporting on prenatal diagnosis and outcome of fetal PB19 infection. The outcomes explored were miscarriage, perinatal death (PND), intrauterine death, neonatal death, spontaneous resolution of hydrops or fetal anemia, need for intrauterine transfusion (IUT), resolution of hydrops or anemia after transfusion, fetal loss following transfusion, abnormal brain scan after birth and abnormal neurodevelopmental outcome. Outcomes were reported according to the presence or absence of signs of hydrops on ultrasound. A subgroup analysis was performed including hydropic and non-hydropic fetuses diagnosed at < 20 weeks and ≥ 20 weeks of gestation. Meta-analyses of proportions and meta-analyses using individual-data random-effects logistic regression were performed to analyze the data. RESULTS Thirty-five observational studies were included, involving 611 fetuses affected by PB19 infection. The risks of miscarriage (odds ratio (OR), 11.5; 95% CI, 2.7-49.7) and PND (OR, 4.2; 95% CI, 1.6-11.0) were higher in fetuses with PB19 infection presenting, compared with those not presenting, signs of hydrops on ultrasound. In fetuses affected by hydrops, spontaneous resolution of the infection, defined as disappearance of hydrops without need for IUT, occurred in 5.2% (95% CI, 2.5-8.8%) of cases whereas, in the group of fetuses not affected by hydrops, infection resolved in 49.6% (95% CI, 20.7-78.6%) of cases. IUT was performed in 78.7% (95% CI, 66.4-88.8%) of hydropic and in 29.6% (95% CI, 6.0-61.6%) of non-hydropic fetuses affected by congenital PB19 infection and resolution of the infection after IUT occurred in 55.1% (95% CI, 34.0-75.3%) and in 100% (95% CI, 57.3-100%) of cases, respectively. The risk of fetal loss after IUT was higher in fetuses affected compared with those not affected by hydrops (OR, 9.8; 95% CI, 2.8-34.6). The prevalence of abnormal brain imaging was 9.8% (95% CI, 2.5-21.0%) in fetuses affected and 0.0% (95% CI, 0.0-7.0%) in those not affected by hydrops, whilst the corresponding figures for abnormal neurodevelopmental outcome were 9.5% (95% CI, 2.6-20.2) and 0.0% (95% CI, 0.0-7.5), respectively; however, statistical power to assess these outcomes was inadequate due to the small number of included cases. CONCLUSIONS Hydrops is the main determinant of mortality and adverse perinatal outcome in fetuses with PB19 infection. Perinatal outcome in non-hydropic fetuses is generally favorable. Copyright © 2018 ISUOG. Published by John Wiley & Sons Ltd.
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Affiliation(s)
- F Bascietto
- Department of Obstetrics and Gynecology, University of Chieti, Chieti, Italy
| | - M Liberati
- Department of Obstetrics and Gynecology, University of Chieti, Chieti, Italy
| | - D Murgano
- Department of Obstetrics and Gynecology, University of Chieti, Chieti, Italy
| | - D Buca
- Department of Obstetrics and Gynecology, University of Chieti, Chieti, Italy
| | - A Iacovelli
- Department of Obstetrics and Gynecology, University of Chieti, Chieti, Italy
| | - M E Flacco
- Local Health Unit of Pescara, Pescara, Italy
| | - L Manzoli
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - A Familiari
- Department of Obstetrics and Gynecology, Catholic University of the Sacred Heart, Rome, Italy
| | - G Scambia
- Department of Obstetrics and Gynecology, Catholic University of the Sacred Heart, Rome, Italy
| | - F D'Antonio
- Women's Health and Perinatology Research Group, Department of Clinical Medicine, Faculty of Health Sciences, UiT - The Arctic University of Norway, Tromsø, Norway
- Department of Obstetrics and Gynecology, University Hospital of Northern Norway, Tromsø, Norway
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10
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Bonvicini F, Bua G, Gallinella G. Parvovirus B19 infection in pregnancy-awareness and opportunities. Curr Opin Virol 2017; 27:8-14. [PMID: 29096233 DOI: 10.1016/j.coviro.2017.10.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 09/26/2017] [Accepted: 10/11/2017] [Indexed: 12/31/2022]
Abstract
Parvovirus B19 (B19V) is a human pathogenic virus associated with a wide range of clinical conditions. In pregnancy, B19V poses a potential hazard to the fetus as crossing the placental barrier and infecting erythroid progenitor cells in bone marrow and liver, it blocks fetal erythropoiesis leading to profound anemia, hydrops and/or fetal death. The virus is not regarded as a teratogen, however more scientific awareness is emerging on mechanisms and consequences of intrauterine infection and possible sequelae in the neonatal development. Reliable diagnostic procedures and fetal management strategies, including intrauterine transfusion, are established. In spite of being a recognized fetotropic agent possibly leading to fetal loss, testing for B19V is not routinely included in preconception or antenatal screenings, possibly delaying the management of B19V-complicated pregnancies. Continuous advances in B19V research will provide for better diagnostic methods and algorithms, as well as for the development of effective prophylactic interventions and novel therapeutic options.
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Affiliation(s)
- Francesca Bonvicini
- Department of Pharmacy and Biotechnology, University of Bologna, Via Massarenti 9, 40138 Bologna, Italy.
| | - Gloria Bua
- Department of Pharmacy and Biotechnology, University of Bologna, Via Massarenti 9, 40138 Bologna, Italy
| | - Giorgio Gallinella
- Department of Pharmacy and Biotechnology, University of Bologna, Via Massarenti 9, 40138 Bologna, Italy; S.Orsola-Malpighi Hospital - Microbiology, Via Massarenti 9, 40138 Bologna, Italy
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11
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Abbasi N, Johnson JA, Ryan G. Fetal anemia. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2017; 50:145-153. [PMID: 28782230 DOI: 10.1002/uog.17555] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Revised: 06/13/2017] [Accepted: 06/16/2017] [Indexed: 06/07/2023]
Affiliation(s)
- N Abbasi
- Fetal Medicine Unit, Department of Obstetrics and Gynaecology, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - J-A Johnson
- Department of Obstetrics and Gynaecology, University of Calgary, Calgary, Alberta, Canada
| | - G Ryan
- Fetal Medicine Unit, Department of Obstetrics and Gynaecology, Mount Sinai Hospital, Toronto, Ontario, Canada
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12
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Santana Suárez A, García Rodríguez R, García Delgado R, Armas Roca M, Medina Castellano M, Romero Requejo A, Hernández Febles M, Falcón M, García Hernández J. Diagnóstico ecográfico y manejo de la infección fetal por parvovirus B19. CLINICA E INVESTIGACION EN GINECOLOGIA Y OBSTETRICIA 2017. [DOI: 10.1016/j.gine.2015.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Crane J, Mundle W, Boucoiran I. Infection au parvovirus B19 pendant la grossesse. JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA 2017; 38:S525-S536. [PMID: 28063562 DOI: 10.1016/j.jogc.2016.09.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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14
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Madrid L, Varo R, Sitoe A, Bassat Q. Congenital and perinatally-acquired infections in resource-constrained settings. Expert Rev Anti Infect Ther 2016; 14:845-61. [PMID: 27442227 DOI: 10.1080/14787210.2016.1215913] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Congenital and perinatal infections are a leading cause of neonatal and infant morbidity and mortality. Maternal screening, vaccines or treatment where available, constitute effective prevention strategies to reduce the burden of these diseases. Data on the burden of congenital and perinatal infections are very limited for low and middle-income regions. AREAS COVERED This review aims to summarize the burden of congenital and perinatal infections and the main challenges for their control in resource-limited settings. Articles were identified through the main electronic databases and cover the period 1971-2016. Expert commentary: Estimates from low and middle-income countries indicate that the burden of congenital infections may be higher in these regions than in industrialized countries. As preventive and curative strategies are available to tackle some of these infections, efforts at the international and national levels must be made to implement those and thus reduce their burden in resource-limited countries.
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Affiliation(s)
- Lola Madrid
- a Centro de Investigação em Saúde de Manhiça (CISM) , Maputo , Mozambique.,b ISGlobal, Barcelona Ctr. Int. Health Res. (CRESIB) , Hospital Clínic - Universitat de Barcelona , Barcelona , Spain
| | - Rosauro Varo
- a Centro de Investigação em Saúde de Manhiça (CISM) , Maputo , Mozambique.,b ISGlobal, Barcelona Ctr. Int. Health Res. (CRESIB) , Hospital Clínic - Universitat de Barcelona , Barcelona , Spain
| | - Antonio Sitoe
- a Centro de Investigação em Saúde de Manhiça (CISM) , Maputo , Mozambique
| | - Quique Bassat
- a Centro de Investigação em Saúde de Manhiça (CISM) , Maputo , Mozambique.,b ISGlobal, Barcelona Ctr. Int. Health Res. (CRESIB) , Hospital Clínic - Universitat de Barcelona , Barcelona , Spain
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15
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Kerr JR. A review of blood diseases and cytopenias associated with human parvovirus B19 infection. Rev Med Virol 2015; 25:224-40. [PMID: 25962796 DOI: 10.1002/rmv.1839] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Revised: 03/24/2015] [Accepted: 03/25/2015] [Indexed: 12/12/2022]
Abstract
Parvovirus B19 is a single-stranded DNA virus which preferentially targets the erythroblast resulting in red cell aplasia, which is temporary in immunocompetent persons. Since the discovery of B19 virus in 1975, a wide variety of blood diseases and cytopenias affecting several blood cell lineages have been documented during or following B19 infection. These include cytopenias affecting the erythroid, megakaryoblastoid, myeloid and lymphoid lineages, as well as a variety of bicytopenias, pancytopenia, bone marrow necrosis / fat embolism syndrome, myelodysplastic syndrome, leucoerythroblastopenia, and hemophagocytic lymphohistiocytosis. B19 infection may also complicate and precede the course of acute leukemia, the significance of which remains to be determined. This review describes the current state of knowledge of the abnormalities of individual blood cell lineages encountered during parvovirus B19 infection, over the almost 40 years since its discovery, and reveals some very interesting themes, which improve our understanding of the pathogenesis of B19 infection with particular reference to the bone marrow.
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Affiliation(s)
- Jonathan R Kerr
- Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogotá, Colombia
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Melamed N, Whittle W, Kelly EN, Windrim R, Seaward PGR, Keunen J, Keating S, Ryan G. Fetal thrombocytopenia in pregnancies with fetal human parvovirus-B19 infection. Am J Obstet Gynecol 2015; 212:793.e1-8. [PMID: 25644439 DOI: 10.1016/j.ajog.2015.01.048] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Revised: 12/21/2014] [Accepted: 01/29/2015] [Indexed: 11/24/2022]
Abstract
OBJECTIVE Fetal infection with human parvovirus B19 (hParvo-B19) has been associated mainly with fetal anemia, although data regarding other fetal hematologic effects are limited. Our aim was to assess the rate and consequences of severe fetal thrombocytopenia after fetal hParvo-B19 infection. STUDY DESIGN We conducted a retrospective study of pregnancies that were complicated by fetal hParvo-B19 infection that underwent fetal blood sampling (FBS). The characteristics and outcomes of fetuses with severe thrombocytopenia (<50 × 10(9)/L) were compared with those of fetuses with a platelet concentration of ≥50 × 10(9)/L (control fetuses). Fetuses in whom 3 FBSs were performed (n = 4) were analyzed to assess the natural history of platelet levels after fetal hParvo-B19 infection. RESULTS A total of 37 pregnancies that were affected by fetal hParvo-B19 infection were identified. Of the 29 cases that underwent FBS and had information regarding fetal platelets, 11 cases (38%) were complicated by severe fetal thrombocytopenia. Severely thrombocytopenic fetuses were characterized by a lower hemoglobin concentration (2.6 ± 0.9 g/dL vs 5.5 ± 3.6 g/dL; P = .01), lower reticulocyte count (9.1% ± 2.8% vs 17.3% ± 10.6%; P = .02), and lower gestational age at the time of diagnosis (21.4 ± 3.1 wk vs 23.6 ± 2.2 wk; P = .03). Both the fetal death rate within 48 hours of FBS (27.3% vs 0%; P = .02) and the risk of prematurity (100.0% vs 13.3%; P < .001) were higher in fetuses with severe thrombocytopenia. Fetal thrombocytopenia was more common during the second trimester but, in some cases, persisted into the third trimester. Intrauterine transfusion (IUT) of red blood cells resulted in a further mean decrease of 40.1% ± 31.0% in fetal platelet concentration. CONCLUSION Severe fetal thrombocytopenia is relatively common after fetal hParvo-B19 infection, can be further worsened by IUT, and may be associated with an increased risk of procedure-related fetal loss after either FBS or IUT.
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Mackie FL, Pretlove SJ, Martin WL, Donovan V, Kilby MD. Fetal Intracardiac Transfusions in Hydropic Fetuses with Severe Anemia. Fetal Diagn Ther 2015; 38:61-4. [DOI: 10.1159/000369798] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Accepted: 10/31/2014] [Indexed: 11/19/2022]
Abstract
Introduction: Fetal anemia can have significant perinatal morbidity and mortality, particularly with onset prior to 20 weeks of gestation. Materials and Methods: We detail a case-cohort study (n = 8) of all women who underwent fetal in-utero, intracardiac transfusion prior to 24 weeks of gestation (7 women before 20 + 1 weeks), between March 2004 and September 2014, in a supraregional Fetal Medicine Center in the United Kingdom, comprising 2.2% of all transfusions performed during this period. All the fetuses were hydropic, with high maternal BMI, and had severe anemia as an indicator for transfusion. It was an attempt to perform intravascular transfusion when other common routes of fetal vascular access had failed. Results: There were 2 intrauterine deaths (25%), both of which were associated with in-utero transfusion and fulminant parvovirus B19 infection. The perinatal survival rate was 75% (6/8). Discussion: Fetal in-utero, intravascular transfusion by the intracardiac route may be used to correct severe early-onset anemia. It is particularly useful when technical issues of fetal size, early gestation (<20 weeks), maternal adiposity, and hydrops fetalis make umbilical cord or intrahepatic vein puncture technically difficult. Survival rates appear comparable to other series of pregnancies where in-utero transfusion is performed at early gestation.
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Induction of an embryonic mouse innate immune response following inoculation in utero with minute virus of mice. J Virol 2014; 89:2182-91. [PMID: 25473047 DOI: 10.1128/jvi.02908-14] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
UNLABELLED We used an embryonic-infection model system to show that MVMp, the prototypic minute virus of mice (MVM) serotype and a member of the genus Protoparvovirus, triggers a comprehensive innate immune response in the developing mouse embryo. Direct inoculation of the midtrimester embryo in utero with MVMp results in a widespread, productive infection. During a 96-h infection course, embryonic beta interferon (IFN-β) and IFN-γ transcription were induced 90- and 60-fold, respectively. IFN-β levels correlated with the embryo viral burden, while IFN-γ levels first increased and then decreased. Production of proinflammatory cytokines, interleukin 1β (IL-1β) and tumor necrosis factor alpha (TNF-α), also increased, but by smaller amounts, approximately 7-fold each. We observed increased levels of downstream antiviral effector molecules, PKR and phosphorylated STAT2. Finally, we showed that there is an immune cell response to the virus infection. Infected tissues in the embryo exhibited an increased density of mature leukocytes compared to the same tissues in uninfected embryos. The responses we observed were almost completely restricted to the infected embryos. Uninfected littermates routinely exhibited small increases in innate immune components that rarely reached statistical significance compared to negative controls. Similarly, the placentae of infected embryos did not show any significant increase in transcription of innate immune cytokines. Since the placenta has both embryonic and maternal components, we suggest there is minimal involvement of the dam in the response to infection. IMPORTANCE Interaction between the small single-stranded vertebrate DNA viruses, the protoparvoviruses, and the host innate immune system has been unclear. The issue is important practically given the potential use of these viruses as oncotherapeutic agents. The data reported here stand in contrast to studies of innate immune response during protoparvovirus infection of adult hosts, which invariably reported no or minimal and sporadic induction of an interferon response during infection. We conclude that under conditions of robust and productive MVM infection, a normal murine host is able to mount a significant and broad innate immune response.
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Crane J, Mundle W, Boucoiran I, Gagnon R, Bujold E, Basso M, Bos H, Brown R, Cooper S, Gouin K, McLeod NL, Menticoglou S, Mundle W, Pylypjuk C, Roggensack A, Sanderson F. Parvovirus B19 Infection in Pregnancy. JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA 2014; 36:1107-1116. [DOI: 10.1016/s1701-2163(15)30390-x] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Macé G, Sauvan M, Castaigne V, Moutard ML, Cortey A, Maisonneuve E, Garel C, Dhombres F, Boujenah J, Mailloux A, Carbonne B. Clinical presentation and outcome of 20 fetuses with parvovirus B19 infection complicated by severe anemia and/or fetal hydrops. Prenat Diagn 2014; 34:1023-30. [DOI: 10.1002/pd.4413] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2014] [Revised: 05/13/2014] [Accepted: 05/13/2014] [Indexed: 11/07/2022]
Affiliation(s)
- Guillaume Macé
- Unité d'Obstétrique-Maternité, Hôpital Trousseau; Assistance Publique - Hôpitaux de Paris, Université Pierre et Marie Curie; Paris VI France
- Service de Gynécologie-Obstétrique; CHU Bocage, Université de Bourgogne; Dijon France
| | - Marine Sauvan
- Unité d'Obstétrique-Maternité, Hôpital Trousseau; Assistance Publique - Hôpitaux de Paris, Université Pierre et Marie Curie; Paris VI France
| | - Vanina Castaigne
- Unité d'Obstétrique-Maternité, Hôpital Trousseau; Assistance Publique - Hôpitaux de Paris, Université Pierre et Marie Curie; Paris VI France
| | - Marie-Laure Moutard
- Trousseau Hospital; Pierre et Marie Curie University, Pediatric Neurology; Paris France
| | - Anne Cortey
- Centre National de Référence en Hémobiologie Périnatale; Hôpitaux Universitaires Est-Parisien, Assistance Publique - Hôpitaux de Paris; Paris France
| | - Emeline Maisonneuve
- Unité d'Obstétrique-Maternité, Hôpital Trousseau; Assistance Publique - Hôpitaux de Paris, Université Pierre et Marie Curie; Paris VI France
| | - Catherine Garel
- Service de Radiologie Pédiatrique; Hôpital Trousseau, Assistance Publique - Hôpitaux de Paris; Paris France
| | - Ferdinand Dhombres
- Unité d'Obstétrique-Maternité, Hôpital Trousseau; Assistance Publique - Hôpitaux de Paris, Université Pierre et Marie Curie; Paris VI France
| | - Jeremy Boujenah
- Unité d'Obstétrique-Maternité, Hôpital Trousseau; Assistance Publique - Hôpitaux de Paris, Université Pierre et Marie Curie; Paris VI France
| | - Agnès Mailloux
- Centre National de Référence en Hémobiologie Périnatale; Hôpitaux Universitaires Est-Parisien, Assistance Publique - Hôpitaux de Paris; Paris France
| | - Bruno Carbonne
- Unité d'Obstétrique-Maternité, Hôpital Trousseau; Assistance Publique - Hôpitaux de Paris, Université Pierre et Marie Curie; Paris VI France
- Centre National de Référence en Hémobiologie Périnatale; Hôpitaux Universitaires Est-Parisien, Assistance Publique - Hôpitaux de Paris; Paris France
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Lindenburg ITM, van Kamp IL, Oepkes D. Intrauterine blood transfusion: current indications and associated risks. Fetal Diagn Ther 2014; 36:263-71. [PMID: 24903741 DOI: 10.1159/000362812] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Accepted: 04/09/2014] [Indexed: 11/19/2022]
Abstract
Fetal anemia is a serious complication in pregnancy and associated with perinatal mortality and morbidity. During 25 years of worldwide experience with intravascular intrauterine blood transfusion, a variety of indications have been described. Intrauterine transfusion (IUT) treatment is considered most successful for fetal anemia due to red cell alloimmunization. Moreover, the use of this procedure has also been reported in pregnancies with parvovirus B19 infection, fetomaternal hemorrhage and placental chorioangiomas, for example. This review focuses on the current indications of intrauterine blood transfusions. In addition, we describe the potential complications of IUT treatment.
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Affiliation(s)
- Irene T M Lindenburg
- Department of Obstetrics, Leiden University Medical Center, Leiden, The Netherlands
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22
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De Jesus I, Simon E, Potin J, Arlicot C, Perrotin F. Facteurs prédictifs de tolérance fœtale à la cordocentèse : étude rétrospective monocentrique. ACTA ACUST UNITED AC 2012; 40:734-40. [DOI: 10.1016/j.gyobfe.2012.07.036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2011] [Accepted: 07/10/2012] [Indexed: 10/27/2022]
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24
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Fasano C, Kanduc D. Selfness-nonselfness in designing an anti-B19 erythrovirus vaccine. SELF/NONSELF 2011; 2:114-119. [PMID: 22299063 PMCID: PMC3268997 DOI: 10.4161/self.2.2.16190] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2011] [Revised: 06/14/2011] [Accepted: 06/15/2011] [Indexed: 11/19/2022]
Abstract
Although B19 erythrovirus infection may be associated with severe clinical outcomes, especially in early infancy, pregnancy and in immunocompromised or hemolytic subjects, no vaccine is currently available. Using the concept that effective immune responses to an infectious agent may be restricted to the specific peptidome unique to that agent, we analyzed primary amino acid sequence of B19 erythrovirus, searching for peptide motifs to be used in vaccine formulations. Here, we identify and describe a set of unique viral peptides that may guarantee both high efficacy and practically no cross-reactive autoimmune responses in anti-B19 immunotherapeutic approaches.
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Affiliation(s)
- Candida Fasano
- Department of Biochemistry and Molecular Biology; University of Bari; Bari, Italy
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25
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de Jong EP, Walther FJ, Kroes ACM, Oepkes D. Parvovirus B19 infection in pregnancy: new insights and management. Prenat Diagn 2011; 31:419-25. [PMID: 21351281 DOI: 10.1002/pd.2714] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2010] [Revised: 12/23/2010] [Accepted: 01/09/2011] [Indexed: 11/07/2022]
Abstract
In this article, we review the virology, pathology, epidemiology and clinical spectrum of intrauterine human parvovirus B19 (B19V) infection, including intrauterine fetal death, non-immune hydrops fetalis, thrombocytopenia and neurological manifestations such as pediatric stroke and perivascular calcifications. In addition, we discuss the new insights into the neurodevelopmental outcome of intrauterine B19V infection. Current diagnosis and management of B19V infection is summarized, including a diagnostic and follow-up flowchart for practical clinical use.
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Affiliation(s)
- E P de Jong
- Department of Pediatrics, HAGA Hospital, Juliana's Childrens Hospital, The Hague, The Netherlands.
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Abstract
Fetal and neonatal medicine is a field with many new procedures and techniques. An increasing number of centres worldwide give intrauterine transfusions, which are considered to be standard-of-care treatment for severe fetal anaemia. The survival of very prematurely born neonates, in particular of a gestational age of <28 weeks, has greatly improved over the last decade but almost all these children need transfusions. Although in many cases such blood transfusions are life saving, randomized, controlled studies investigating appropriate indications, transfusion volume and type of blood product have not been performed. Most of the protocols used are expert based.
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Abstract
Fetal thrombocytopenia is most often caused by maternal alloantibodies against fetal platelets crossing the placenta and resulting in platelet destruction. This condition, known as fetal and neonatal alloimmune thrombocytopenia, is usually detected after the birth of a symptomatic child who shows signs of bleeding in the skin or in the brain. In the most severe cases, intracranial hemorrhage leads to severe handicap or death. The challenge for the clinician is to provide preventive treatment in the next pregnancy. The current cornerstone of this treatment is maternal intravenous administration of immunoglobulins during the second half of pregnancy.
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Affiliation(s)
- L Porcelijn
- Department of Immunohaematology Diagnostic Services, Sanquin Diagnostic Services (CLB), Amsterdam, The Netherlands
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