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Singh S, Maheshwari A, Boppana S. CMV-induced Hearing Loss. NEWBORN (CLARKSVILLE, MD.) 2023; 2:249-262. [PMID: 38348106 PMCID: PMC10860330 DOI: 10.5005/jp-journals-11002-0081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
Congenital cytomegalovirus (cCMV) infection is the most common fetal viral infection and contributes to about 25% of childhood hearing loss by the age of 4 years. It is the leading nongenetic cause of sensorineural hearing loss (SNHL). Infants born to seroimmune mothers are not completely protected from SNHL, although the severity of their hearing loss may be milder than that seen in those whose mothers had a primary infection. Both direct cytopathic effects and localized inflammatory responses contribute to the pathogenesis of cytomegalovirus (CMV)-induced hearing loss. Hearing loss may be delayed onset, progressive or fluctuating in nature, and therefore, a significant proportion will be missed by universal newborn hearing screening (NHS) and warrants close monitoring of hearing function at least until 5-6 years of age. A multidisciplinary approach is required for the management of hearing loss. These children may need assistive hearing devices or cochlear implantation depending on the severity of their hearing loss. In addition, early intervention services such as speech or occupational therapy could help better communication, language, and social skill outcomes. Preventive measures to decrease intrauterine CMV transmission that have been evaluated include personal protective measures, passive immunoprophylaxis and valacyclovir treatment during pregnancy in mothers with primary CMV infection. Several vaccine candidates are currently in testing and one candidate vaccine in phase 3 trials. Until a CMV vaccine becomes available, behavioral and educational interventions may be the most effective strategy to prevent maternal CMV infection.
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Affiliation(s)
- Srijan Singh
- Department of Neonatology, Kailash Hospital, Noida, Uttar Pradesh, India
- Global Newborn Society (https://www.globalnewbornsociety.org/), Clarksville, Maryland, United States of America
| | - Akhil Maheshwari
- Global Newborn Society (https://www.globalnewbornsociety.org/), Clarksville, Maryland, United States of America
- Department of Pediatrics, Louisiana State University, Shreveport, Louisiana, United States of America
| | - Suresh Boppana
- Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama, United States of America
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2
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Canfield D, Gabby L, Vaziri Fard E, Gyamfi-Bannerman C. Cytomegalovirus in Pregnancy. Obstet Gynecol Clin North Am 2023; 50:263-277. [PMID: 37149309 DOI: 10.1016/j.ogc.2023.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Cytomegalovirus is a pervasive DNA herpesvirus that, while clinically insignificant to an immunocompetent adult host, can cause significant morbidity to a congenitally infected fetus. Although detection is often possible with several common ultrasonographic markers and good diagnostic accuracy using polymerase chain reaction testing of amniotic fluid, there are no proven prenatal prevention or antenatal treatment options. Therefore, universal screening is not currently recommended in pregnancy. Strategies that have been studied in the past include immunoglobulins, antivirals, and the development of a vaccine. In this review, we will further discuss the themes above, along with future direction for prevention and treatment.
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Affiliation(s)
- Dana Canfield
- Division of Maternal Fetal Medicine, Department of Obstetrics, Gynecology & Reproductive Sciences, University of California, San Diego, CA, USA
| | - Lauryn Gabby
- Division of Maternal Fetal Medicine, Department of Obstetrics, Gynecology & Reproductive Sciences, University of California, San Diego, CA, USA
| | - Elmira Vaziri Fard
- Department of Pathology and Lab Medicine, University of California, San Diego, CA, USA
| | - Cynthia Gyamfi-Bannerman
- Division of Maternal Fetal Medicine, Department of Obstetrics, Gynecology & Reproductive Sciences, University of California, San Diego, CA, USA.
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Sharma D, Tsibizova VI. Current perspective and scope of fetal therapy: part 2. J Matern Fetal Neonatal Med 2020; 35:3812-3830. [PMID: 33135520 DOI: 10.1080/14767058.2020.1839881] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Fetal therapy has been defined as any therapeutic intervention either invasive or noninvasive for correcting or treating any fetal malformation or condition. Invasive fetal therapy have its own set of maternal and fetal complications and invasive approach is not feasible in many of fetal conditions that are candidate for fetal therapy. Many such fetal conditions have been treated successfully by medical or noninvasive management. In medical fetal therapy, mothers are treated with medications which are transferred to fetus through placenta and exert positive effect on the fetus, thus avoiding complications that are seen secondary to invasive fetal therapy. The fetal conditions that have been managed with medical therapy includes fetal and neonatal alloimmune thrombocytopenia, neural tube defect, congenital adrenal hyperplasia, perinatal infections, respiratory distress syndrome, inborn error of metabolism, and congenital cystic adenomatoid malformation. This review will cover the medical or noninvasive aspect of fetal therapy and will highlight the progress made in the management of these fetal conditions.
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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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Aaron KA, Kim GS, Cheng AG. Advances in Inner Ear Therapeutics for Hearing Loss in Children. CURRENT OTORHINOLARYNGOLOGY REPORTS 2020; 8:285-294. [DOI: 10.1007/s40136-020-00300-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Sharma SD, Cushing SL, Papsin BC, Gordon KA. Hearing and speech benefits of cochlear implantation in children: A review of the literature. Int J Pediatr Otorhinolaryngol 2020; 133:109984. [PMID: 32203759 DOI: 10.1016/j.ijporl.2020.109984] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 03/05/2020] [Accepted: 03/06/2020] [Indexed: 11/30/2022]
Abstract
Cochlear implantation is a safe and reliable treatment for children with severe to profound hearing loss. The primary benefit of these medical devices in children is the acquisition of hearing, which promotes development of spoken language. The present paper reviews published literature demonstrating predictive effects of a number of factors on acquisition of hearing development and speech recognition. Of the many variables that contribute to an individual child's development after implantation, age at implantation, the presence of medical comorbidities, social determinants of health, and the provision of bilateral versus unilateral hearing are those that can vary widely and have consistently shown clear impacts. Specifically, age of implantation is crucial to reduce effects of deafness on the developing auditory system and capture the remarkable plasticity of early development. Language development after cochlear implantation requires therapy emphasizing hearing and oral communication, education, and other support which can be influenced by known social determinants of health; specifically, outcomes in children decline with reductions in socioeconomic status and levels of parental education. Medical co-morbidities also slow rates of progress after cochlear implantation. On the other hand, benefits of implantation increase in children who are provided with access to hearing from both ears. In sum, cochlear implants promote development of hearing in children and the best outcomes are achieved by providing early access to sound in both ears. These benefits can be limited by known social determinants of health which restrict access to needed support and medical comorbidities which add further complexity in care and outcome.
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Affiliation(s)
- Sunil D Sharma
- Department of Otolaryngology: Head & Neck Surgery, Hospital for Sick Children, Toronto, ON, Canada; Department of Otolaryngology: Head & Neck Surgery, University of Toronto, Toronto, ON, Canada
| | - Sharon L Cushing
- Department of Otolaryngology: Head & Neck Surgery, Hospital for Sick Children, Toronto, ON, Canada; Department of Otolaryngology: Head & Neck Surgery, University of Toronto, Toronto, ON, Canada; Archie's Cochlear Implant Laboratory, Hospital for Sick Children, Toronto, ON, Canada; Institute of Medical Science, University of Toronto, Toronto, ON, Canada.
| | - Blake C Papsin
- Department of Otolaryngology: Head & Neck Surgery, Hospital for Sick Children, Toronto, ON, Canada; Department of Otolaryngology: Head & Neck Surgery, University of Toronto, Toronto, ON, Canada; Archie's Cochlear Implant Laboratory, Hospital for Sick Children, Toronto, ON, Canada; Institute of Medical Science, University of Toronto, Toronto, ON, Canada
| | - Karen A Gordon
- Department of Otolaryngology: Head & Neck Surgery, Hospital for Sick Children, Toronto, ON, Canada; Department of Otolaryngology: Head & Neck Surgery, University of Toronto, Toronto, ON, Canada; Archie's Cochlear Implant Laboratory, Hospital for Sick Children, Toronto, ON, Canada; Institute of Medical Science, University of Toronto, Toronto, ON, Canada; Department of Communication Disorders, Hospital for Sick Children, Toronto, ON, Canada
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Abstract
OBJECTIVES To review the principles of prenatal diagnosis of congenital cytomegalovirus (CMV) infection and to describe the outcomes of the affected pregnancies. OUTCOMES Effective management of fetal infection following primary and secondary maternal CMV infection during pregnancy. Neonatal signs include intrauterine growth restriction (IUGR), microcephaly, hepatosplenomegaly, petechiae, jaundice, chorioretinitis, thrombocytopenia and anemia, and long-term sequelae consist of sensorineural hearing loss, mental retardation, delay of psychomotor development, and visual impairment. These guidelines provide a framework for diagnosis and management of suspected CMV infections. EVIDENCE Medline was searched for articles published in English from 1966 to 2009, using appropriate controlled vocabulary (congenital CMV infection) and key words (intrauterine growth restriction, microcephaly). Results were restricted to systematic reviews, randomized controlled trials/controlled clinical trials, and observational studies. Searches were updated on a regular basis and incorporated into the guideline. Grey (unpublished) literature was identified through searching the websites of health technology assessment and health technology assessment-related agencies, clinical practice guideline collections, clinical trial registries, and national and international medical specialty societies. RECOMMENDATIONS The quality of evidence reported in this document has been assessed using the evaluation of evidence criteria in the Report of the Canadian Task Force on Preventive Health Care (Table 1).
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Clement M, Humphreys IR. Cytokine-Mediated Induction and Regulation of Tissue Damage During Cytomegalovirus Infection. Front Immunol 2019; 10:78. [PMID: 30761144 PMCID: PMC6362858 DOI: 10.3389/fimmu.2019.00078] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 01/11/2019] [Indexed: 12/25/2022] Open
Abstract
Human cytomegalovirus (HCMV) is a β-herpesvirus with high sero-prevalence within the human population. Primary HCMV infection and life-long carriage are typically asymptomatic. However, HCMV is implicated in exacerbation of chronic conditions and associated damage in individuals with intact immune systems. Furthermore, HCMV is a significant cause of morbidity and mortality in the immunologically immature and immune-compromised where disease is associated with tissue damage. Infection-induced inflammation, including robust cytokine responses, is a key component of pathologies associated with many viruses. Despite encoding a large number of immune-evasion genes, HCMV also triggers the induction of inflammatory cytokine responses during infection. Thus, understanding how cytokines contribute to CMV-induced pathologies and the mechanisms through which they are regulated may inform clinical management of disease. Herein, we discuss our current understanding based on clinical observation and in vivo modeling of disease of the role that cytokines play in CMV pathogenesis. Specifically, in the context of the different tissues and organs in which CMV replicates, we give a broad overview of the beneficial and adverse effects that cytokines have during infection and describe how cytokine-mediated tissue damage is regulated. We discuss the implications of findings derived from mice and humans for therapeutic intervention strategies and our understanding of how host genetics may influence the outcome of CMV infections.
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Affiliation(s)
- Mathew Clement
- Division of Infection and Immunity/Systems Immunity University Research Institute, Cardiff, United Kingdom
| | - Ian R Humphreys
- Division of Infection and Immunity/Systems Immunity University Research Institute, Cardiff, United Kingdom
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Kraaijenga V, Van Houwelingen F, Van der Horst S, Visscher J, Huisman J, Hollman E, Stegeman I, Smit A. Cochlear implant performance in children deafened by congenital cytomegalovirus-A systematic review. Clin Otolaryngol 2018; 43:1283-1295. [DOI: 10.1111/coa.13142] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/08/2018] [Indexed: 11/28/2022]
Affiliation(s)
- V.J.C. Kraaijenga
- Department of Otorhinolaryngology, Head and Neck Surgery; University Medical Center Utrecht; Utrecht The Netherlands
- Brain Center Rudolf Magnus; University Medical Center Utrecht; Utrecht The Netherlands
- University Utrecht; Domplein 29; 3512 JE Utrecht The Netherlands
| | - F. Van Houwelingen
- Department of Otorhinolaryngology, Head and Neck Surgery; University Medical Center Utrecht; Utrecht The Netherlands
- Brain Center Rudolf Magnus; University Medical Center Utrecht; Utrecht The Netherlands
- University Utrecht; Domplein 29; 3512 JE Utrecht The Netherlands
| | - S.F. Van der Horst
- Department of Otorhinolaryngology, Head and Neck Surgery; University Medical Center Utrecht; Utrecht The Netherlands
- Brain Center Rudolf Magnus; University Medical Center Utrecht; Utrecht The Netherlands
- University Utrecht; Domplein 29; 3512 JE Utrecht The Netherlands
| | - J. Visscher
- Department of Otorhinolaryngology, Head and Neck Surgery; University Medical Center Utrecht; Utrecht The Netherlands
- Brain Center Rudolf Magnus; University Medical Center Utrecht; Utrecht The Netherlands
- University Utrecht; Domplein 29; 3512 JE Utrecht The Netherlands
| | - J.M.L. Huisman
- Department of Otorhinolaryngology, Head and Neck Surgery; University Medical Center Utrecht; Utrecht The Netherlands
- Brain Center Rudolf Magnus; University Medical Center Utrecht; Utrecht The Netherlands
- University Utrecht; Domplein 29; 3512 JE Utrecht The Netherlands
| | - E.J. Hollman
- Department of Otorhinolaryngology, Head and Neck Surgery; University Medical Center Utrecht; Utrecht The Netherlands
- Brain Center Rudolf Magnus; University Medical Center Utrecht; Utrecht The Netherlands
- University Utrecht; Domplein 29; 3512 JE Utrecht The Netherlands
| | - I. Stegeman
- Department of Otorhinolaryngology, Head and Neck Surgery; University Medical Center Utrecht; Utrecht The Netherlands
- Brain Center Rudolf Magnus; University Medical Center Utrecht; Utrecht The Netherlands
- University Utrecht; Domplein 29; 3512 JE Utrecht The Netherlands
| | - A.L. Smit
- Department of Otorhinolaryngology, Head and Neck Surgery; University Medical Center Utrecht; Utrecht The Netherlands
- Brain Center Rudolf Magnus; University Medical Center Utrecht; Utrecht The Netherlands
- University Utrecht; Domplein 29; 3512 JE Utrecht The Netherlands
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Yinon Y, Farine D, Yudin MH. Archivée: No 240-Infection à cytomégalovirus pendant la grossesse. JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA 2018; 40:e142-e150. [DOI: 10.1016/j.jogc.2017.11.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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N'Diaye DS, Launay O, Picone O, Tsatsaris V, Azria E, Rozenberg F, Schwarzinger M, Yazdanpanah Y. Cost-effectiveness of vaccination against cytomegalovirus (CMV) in adolescent girls to prevent infections in pregnant women living in France. Vaccine 2018; 36:1285-1296. [PMID: 29397227 DOI: 10.1016/j.vaccine.2018.01.042] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 12/15/2017] [Accepted: 01/16/2018] [Indexed: 10/18/2022]
Abstract
BACKGROUND CMV infections are the most frequent congenital infections worldwide. AIM Assess the cost-effectiveness of vaccination strategies of adolescent girls vs. current practice (hygiene counseling) to prevent CMV seroconversions during pregnancy in France. METHOD A Markov decision-tree model simulated overtime the trajectory of a single fictive cohort of 390,000 adolescent women aged 14 years old, living in France. Impact of vaccination was explored until the end of their reproductive live 40 years later. STRATEGIES COMPARED: "S1: No vaccination" (current practice); "S2: Routine vaccination"; "S3: Screening and vaccination of the seronegative". MODEL PARAMETERS Seroconversion rate without vaccination (0.035%/pregnant woman-week); fetal transmission risk (41%). Vaccine vs. no vaccination: a 50% decrease in maternal seroconversions. OUTCOMES Quality-Adjusted Life-Years (QALYs) of the cohort-born babies; discounted costs; Incremental Cost-Effectiveness Ratio (ICER). RESULTS S2 was the most effective strategy (with 35,000 QALYs gained) and the most expensive (€211,533,000); S1 was the least effective and least costly (€75,423,000). ICERs of strategy S3 vs. S1, and S2 vs. S3 were 6,000€/QALY gained (95% uncertainty range [2700-13,300]) and 16,000€/QALY [negative ICER (S3 dominated by S2) - 94,000] gained, respectively; highly cost-effective because ICER < 1∗France's GPD/capita = €30,000. SENSITIVITY ANALYSIS If the seroprevalence was >62% (vs. 20% in the base case), S3 would become the most efficient strategy. CONCLUSION In France, systematic vaccination of adolescent girls was the most efficient strategy to prevent maternal seroconversions. If the population was less than 62% immune, systematic screening and vaccination of susceptibles would become the most cost-effective approach.
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Affiliation(s)
- D S N'Diaye
- INSERM, IAME, UMR 1137, UFR de Médecine, 75018 Paris, France; Université Paris Diderot, Sorbonne Paris Cité, Paris, France.
| | - O Launay
- Department of Infectious Diseases, CIC Cochin-Pasteur, Cochin Broca Hôtel-Dieu Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France; INSERM U 1153, Obstetrical, Perinatal and Pediatric Epidemiology Research Team (EPOPé), Center for Epidemiology and Statistics Sorbonne Paris Cité, DHU Risks in Pregnancy, Paris Descartes University, Paris, France; INSERM CIC 1417, Paris, France.
| | - O Picone
- Service de gynécologie obstétrique et médecine de la reproduction, hôpital Foch, 40, rue Worth, 92150 Suresnes, France; EA2493, UFR des sciences de la santé Simone-Veil, UVSQ, 78180 Montigny-le-Bretonneux, France.
| | - V Tsatsaris
- Port Royal Maternity, Department of Gynecology Obstetrics I, Centre Hospitalier Universitaire Cochin Broca Hôtel Dieu, Groupe Hospitalier Universitaire Ouest, Assistance Publique-Hôpital de Paris, Paris, France; INSERM, UMR-S 1139, Paris, France; PRES Sorbonne Paris Cité, Université Paris Descartes, Paris, France.
| | - E Azria
- Department of Obstetrics, Groupe Hospitalier Paris Saint Joseph, Paris Descartes University, Paris, France; Inserm UMR 1153, Obstetrical, Perinatal and Pediatric Epidemiology Research Team (EPOPé), Centre for Epidemiology and Statistics Sorbonne Paris Cité (CRESS), DHU Risks in Pregnancy, Paris Descartes University, Paris, France.
| | - F Rozenberg
- Assistance Publique des Hôpitaux de Paris, Virology, Pathology and Dermatology Departments, Hôpital Cochin, 27, rue du Fbg Saint-Jacques, 75679 Paris cedex 14, France; Université Paris Descartes et Assistance Publique-Hôpitaux de Paris, Hôpital Cochin, Service de Virologie, Paris, France; Institut Cochin, Inserm U1016, Université Paris Descartes, 22 rue Méchain, 75014 Paris, France.
| | - M Schwarzinger
- INSERM, IAME, UMR 1137, UFR de Médecine, 75018 Paris, France; Université Paris Diderot, Sorbonne Paris Cité, Paris, France.
| | - Y Yazdanpanah
- INSERM, IAME, UMR 1137, UFR de Médecine, 75018 Paris, France; Université Paris Diderot, Sorbonne Paris Cité, Paris, France; Infectious Diseases Department, Bichat-Claude Bernard Hospital, Paris, France.
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Davis NL, King CC, Kourtis AP. Cytomegalovirus infection in pregnancy. Birth Defects Res 2017; 109:336-346. [PMID: 28398680 PMCID: PMC11063757 DOI: 10.1002/bdra.23601] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 08/17/2016] [Accepted: 11/07/2016] [Indexed: 11/06/2022]
Abstract
Cytomegalovirus (CMV) is a DNA herpesvirus that is common worldwide. The two known main sources of primary CMV infection during pregnancy are through sexual activity and contact with young children. Primary infection occurs in approximately 1 to 4% of pregnancies, and is mostly asymptomatic in immunocompetent adults. However, primary infection may manifest as a mild mononucleosis or flu-like syndrome with persistent fever and fatigue. CMV can be transmitted from mother-to-child in utero, intrapartum, or during breastfeeding. Intrauterine transmission can lead to congenital CMV infection, a leading cause of permanent hearing and vision loss and neurological disability among children. Congenital CMV transmission rates are as high as 50% in women who acquire primary CMV infection during pregnancy, and less than 2% in women with nonprimary infection. There is no licensed CMV vaccine. Good hygiene practices and avoiding intimate contact with young children (e.g., kissing on the mouth and sharing utensils) have been suggested as an approach to prevent maternal primary CMV infection during pregnancy, but remains an unproven method of reducing the risk of congenital CMV infection. Approximately 1 in 10 infants who acquire CMV in utero will have clinical signs at birth, and an additional 10 to 15% will go on to develop late-onset sequelae. Antiviral treatment prenatally and postnatally has not proven effective at preventing congenital or postnatal CMV infection, and is not recommended for routine clinical care. However, antiviral treatment when initiated in the first month of life for symptomatic congenital CMV infection is recommended for improved neurodevelopmental and audiologic outcomes. Birth Defects Research 109:336-346, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Nicole L. Davis
- Division of Reproductive Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Caroline C. King
- Division of Reproductive Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Athena P. Kourtis
- Division of Reproductive Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia
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Clement M, Marsden M, Stacey MA, Abdul-Karim J, Gimeno Brias S, Costa Bento D, Scurr MJ, Ghazal P, Weaver CT, Carlesso G, Clare S, Jones SA, Godkin A, Jones GW, Humphreys IR. Cytomegalovirus-Specific IL-10-Producing CD4+ T Cells Are Governed by Type-I IFN-Induced IL-27 and Promote Virus Persistence. PLoS Pathog 2016; 12:e1006050. [PMID: 27926930 PMCID: PMC5142785 DOI: 10.1371/journal.ppat.1006050] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Accepted: 11/09/2016] [Indexed: 01/23/2023] Open
Abstract
CD4+ T cells support host defence against herpesviruses and other viral pathogens. We identified that CD4+ T cells from systemic and mucosal tissues of hosts infected with the β-herpesviridae human cytomegalovirus (HCMV) or murine cytomegalovirus (MCMV) express the regulatory cytokine interleukin (IL)-10. IL-10+CD4+ T cells co-expressed TH1-associated transcription factors and chemokine receptors. Mice lacking T cell-derived IL-10 elicited enhanced antiviral T cell responses and restricted MCMV persistence in salivary glands and secretion in saliva. Thus, IL-10+CD4+ T cells suppress antiviral immune responses against CMV. Expansion of this T-cell population in the periphery was promoted by IL-27 whereas mucosal IL-10+ T cell responses were ICOS-dependent. Infected Il27rα-deficient mice with reduced peripheral IL-10+CD4+ T cell accumulation displayed robust T cell responses and restricted MCMV persistence and shedding. Temporal inhibition experiments revealed that IL-27R signaling during initial infection was required for the suppression of T cell immunity and control of virus shedding during MCMV persistence. IL-27 production was promoted by type-I IFN, suggesting that β-herpesviridae exploit the immune-regulatory properties of this antiviral pathway to establish chronicity. Further, our data reveal that cytokine signaling events during initial infection profoundly influence virus chronicity. Viruses including the pathogenic β-herpesvirus human cytomegalovirus (HCMV) can replicate within and disseminate from mucosal tissues. Understanding how to improve antiviral immune responses to restrict virus replication in the mucosa could help counter virus transmission. Studies in the murine cytomegalovirus (MCMV) model have demonstrated the importance of the CD4+ T cells in control of mucosal MCMV replication. However, this process is inefficient, allowing virus persistence. Herein, we reveal that production by CD4+ T cells of the immune-suppressive soluble protein, or cytokine, interleukin (IL)-10 facilitates virus persistence in mucosal tissue. Mice deficient in T cell-derived IL-10 mounted heightened T cell responses and reduced virus replication in the salivary glands and shedding in the saliva. The cytokine IL-27 induced IL-10-producing CD4+ T cells in the periphery whereas a cell surface-expressed protein, ICOS, promoted mucosal IL-10+ T cell responses. IL-27 acted in the initial stages of infection to impinge on T cell responses and antiviral control. In turn, IL-27 production in response to viral infection was triggered by type-I interferon, a prototypic antiviral cytokine. Thus, our data suggest that herpesviruses may exploit immune-suppressive properties of this early antiviral cytokine response to facilitate persistence within and shedding from mucosal tissue.
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Affiliation(s)
- Mathew Clement
- Division of Infection & Immunity, Cardiff University, Cardiff, United Kingdom
- * E-mail: (MC); (IRH)
| | - Morgan Marsden
- Division of Infection & Immunity, Cardiff University, Cardiff, United Kingdom
| | - Maria A. Stacey
- Division of Infection & Immunity, Cardiff University, Cardiff, United Kingdom
| | - Juneid Abdul-Karim
- Division of Infection & Immunity, Cardiff University, Cardiff, United Kingdom
| | - Silvia Gimeno Brias
- Division of Infection & Immunity, Cardiff University, Cardiff, United Kingdom
| | - Diana Costa Bento
- Division of Infection & Immunity, Cardiff University, Cardiff, United Kingdom
| | - Martin J. Scurr
- Division of Infection & Immunity, Cardiff University, Cardiff, United Kingdom
| | - Peter Ghazal
- Division of Infection and Pathway Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Casey T. Weaver
- Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama, United States of America
| | - Gianluca Carlesso
- Respiratory, Inflammation and Autoimmunity, Research Department, MedImmune LLC, Gaithersburg, MD, United States of America
| | - Simon Clare
- Wellcome Trust Sanger Institute, Cambridgeshire, United Kingdom
| | - Simon A. Jones
- Division of Infection & Immunity, Cardiff University, Cardiff, United Kingdom
| | - Andrew Godkin
- Division of Infection & Immunity, Cardiff University, Cardiff, United Kingdom
| | - Gareth W. Jones
- Division of Infection & Immunity, Cardiff University, Cardiff, United Kingdom
| | - Ian R. Humphreys
- Division of Infection & Immunity, Cardiff University, Cardiff, United Kingdom
- Wellcome Trust Sanger Institute, Cambridgeshire, United Kingdom
- * E-mail: (MC); (IRH)
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13
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Laccourreye L, Ettienne V, Prang I, Couloigner V, Garabedian EN, Loundon N. Speech perception, production and intelligibility in French-speaking children with profound hearing loss and early cochlear implantation after congenital cytomegalovirus infection. Eur Ann Otorhinolaryngol Head Neck Dis 2015; 132:317-20. [DOI: 10.1016/j.anorl.2015.08.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- L Laccourreye
- Service d'oto-rhino-laryngologie pédiatrique, hôpital Necker-Enfants malades, université Paris-Descartes, Sorbonne Paris-Cité, Assistance publique-Hôpitaux de Paris, 149, rue de Sèvres, 75015 Paris, France.
| | - V Ettienne
- Service d'oto-rhino-laryngologie pédiatrique, hôpital Necker-Enfants malades, université Paris-Descartes, Sorbonne Paris-Cité, Assistance publique-Hôpitaux de Paris, 149, rue de Sèvres, 75015 Paris, France
| | - I Prang
- Service d'oto-rhino-laryngologie pédiatrique, hôpital Necker-Enfants malades, université Paris-Descartes, Sorbonne Paris-Cité, Assistance publique-Hôpitaux de Paris, 149, rue de Sèvres, 75015 Paris, France
| | - V Couloigner
- Service d'oto-rhino-laryngologie pédiatrique, hôpital Necker-Enfants malades, université Paris-Descartes, Sorbonne Paris-Cité, Assistance publique-Hôpitaux de Paris, 149, rue de Sèvres, 75015 Paris, France
| | - E-N Garabedian
- Service d'oto-rhino-laryngologie pédiatrique, hôpital Necker-Enfants malades, université Paris-Descartes, Sorbonne Paris-Cité, Assistance publique-Hôpitaux de Paris, 149, rue de Sèvres, 75015 Paris, France
| | - N Loundon
- Service d'oto-rhino-laryngologie pédiatrique, hôpital Necker-Enfants malades, université Paris-Descartes, Sorbonne Paris-Cité, Assistance publique-Hôpitaux de Paris, 149, rue de Sèvres, 75015 Paris, France
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Arndt S, Prosse S, Laszig R, Wesarg T, Aschendorff A, Hassepass F. Cochlear implantation in children with single-sided deafness: does aetiology and duration of deafness matter? Audiol Neurootol 2015; 20 Suppl 1:21-30. [PMID: 25999052 DOI: 10.1159/000380744] [Citation(s) in RCA: 98] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
For adult patients with single-sided deafness (SSD), treatment with a cochlear implant (CI) is well established as an acceptable and beneficial hearing rehabilitation method administered routinely in clinical practice. In contrast, for children with SSD, CI has been applied less often to date, with the rationale to decide either on a case-by-case basis or under the realm of clinical research. The aim of our clinical study was to evaluate the longitudinal benefits of CI for a group of children diagnosed with SSD and to compare their outcomes with respect to patient characteristics. Evaluating a pool of paediatric SSD patients presenting for possible CI surgery revealed that the primary aetiology of deafness was congenital cochlear nerve deficiency. A subgroup of children meeting the CI candidacy criteria for the affected ear (the majority with acquired hearing loss) were enrolled in the study. Preliminary group results suggest substantial improvements in speech comprehension in noise and in the ability to localise sound, which was demonstrated through objective and subjective assessments after CI treatment for the group, with results varying from patient to patient. Our study shows a trend towards superior outcomes for children with acquired hearing loss and a shorter duration of hearing loss compared to congenitally deafened children who had a longer duration of SSD. This indicates an interactive influence of the age at onset, aetiology and duration of deafness upon the restoration of binaural integration and the overall benefits of sound stimulation to two ears after CI treatment. Continued longitudinal investigation of these children and further studies in larger groups may provide more guidance on the optimal timing of treatment for paediatric patients with acquired and congenital SSD.
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Affiliation(s)
- Susan Arndt
- Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Centre Freiburg, Freiburg, Germany
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15
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Bialas KM, Swamy GK, Permar SR. Perinatal cytomegalovirus and varicella zoster virus infections: epidemiology, prevention, and treatment. Clin Perinatol 2015; 42:61-75, viii. [PMID: 25677997 PMCID: PMC4328139 DOI: 10.1016/j.clp.2014.10.006] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Mother-to-child transmission of cytomegalovirus (CMV) and varicella zoster virus (VZV) can lead to severe birth defects and neurologic impairment of infants. Congenital CMV complicates up to 1% of all pregnancies globally. Although antiviral treatment of infants congenitally infected with CMV can ameliorate the CMV-associated hearing loss and developmental delay, interventions to prevent congenital CMV infection and the associated neurologic impairments are still being evaluated. Congenital VZV infection is rare. Active and passive immunization strategies to prevent perinatal CMV infection with similar efficacy to those established to prevent perinatal VZV infections are critically needed in pediatric health.
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Affiliation(s)
- Kristy M. Bialas
- Human Vaccine Institute, Duke University Medical Center, Durham, NC
| | - Geeta K. Swamy
- Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, NC
| | - Sallie R. Permar
- Human Vaccine Institute, Duke University Medical Center, Durham, NC,Department of Pediatrics, Duke University Medical Center, Durham, NC
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Goderis J, De Leenheer E, Smets K, Van Hoecke H, Keymeulen A, Dhooge I. Hearing loss and congenital CMV infection: a systematic review. Pediatrics 2014; 134:972-82. [PMID: 25349318 DOI: 10.1542/peds.2014-1173] [Citation(s) in RCA: 318] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND AND OBJECTIVE Hearing loss caused by congenital cytomegalovirus (cCMV) infection was first observed in 1964. Today cCMV is the most common cause of nonhereditary sensorineural hearing loss in childhood. Our objective was to provide an overview of the prevalence of cCMV-related hearing loss, to better define the nature of cCMV-associated hearing loss, and to investigate the importance of cCMV infection in hearing-impaired children. METHODS Two reviewers independently used Medline and manual searches of references from eligible studies and review articles to select cohort studies on children with cCMV infection with audiological follow-up and extracted data on population characteristics and hearing outcomes. RESULTS Thirty-seven studies were included: 10 population-based natural history studies, 14 longitudinal cohort studies, and 13 retrospective studies. The prevalence of cCMV in developed countries is 0.58% (95% confidence interval, 0.41-0.79). Among these newborns 12.6% (95% confidence interval, 10.2-16.5) will experience hearing loss: 1 out of 3 symptomatic children and 1 out of 10 asymptomatic children. Among symptomatic children, the majority have bilateral loss; among asymptomatic children, unilateral loss predominates. In both groups the hearing loss is mainly severe to profound. Hearing loss can have a delayed onset, and it is unstable, with fluctuations and progression. Among hearing-impaired children, cCMV is the causative agent in 10% to 20%. Despite strict selection criteria, some heterogeneity was found between selected studies. CONCLUSIONS This systematic review underscores the importance of cCMV as a cause of sensorineural hearing loss in childhood.
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Human Cytomegalovirus Latency: Targeting Differences in the Latently Infected Cell with a View to Clearing Latent Infection. ACTA ACUST UNITED AC 2014. [DOI: 10.1155/2014/313761] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Human cytomegalovirus (HCMV) is a human herpesvirus which causes little or no disease in the immunocompetent. However, in immunocompromised individuals, neonates, or patients on immune suppressive therapies, HCMV can cause significant morbidity and mortality in some patient groups. As with all herpesviruses, HCMV has two life cycle phases: a productive phase, where new virions are produced and a latent phase where there is a restricted gene transcription profile and no new virion production. Currently available antivirals target the productive phase of HCMV infection and, although these have greatly decreased the severity of HCMV-induced disease in immunocompromised or immunosuppressed individuals, they often have associated toxicities, routinely result in selection of drug resistant viral mutants, and, importantly, they do not target cells latently infected with virus. Thus, there is a real need to derive novel antiviral therapies which, not least, are also able to target latent infection. In this paper, we describe recent work which has begun to analyse changes in the cell associated with latent infection and the possibility that these latency-associated changes in cell phenotype could be targeted by novel chemo- or immunotherapeutic strategies in order to diminish, or even clear, latent infection at least in some specific clinical settings.
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Syridou G, Skevaki C, Kafetzis DA. Intrauterine infection with parvovirus B19 and CMV: implications in early and late gestation fetal demise. Expert Rev Anti Infect Ther 2014; 3:651-61. [PMID: 16107203 DOI: 10.1586/14787210.3.4.651] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
In utero viral infections have been associated with an adverse pregnancy outcome and may have a causative role in the unexplained fetal death file. Parvovirus B19 and cytomegalovirus are among the most common pathogens implicated in fetal loss cases. Parvovirus B19 has been reported to account for cases of spontaneous abortions, intrauterine fetal death and nonimmune hydrops fetalis, whereas cytomegalovirus accounts for nonimmune hydrops fetalis, intrauterine growth retardation and congenital anomalies. This review aims to summarize the current literature in an attempt to underline the need for routine screening, close follow-up and prevention. A better understanding of the pathogenetic mechanisms of viral infections during the crucial time of organogenesis, along with early detection, may contribute to the reduction in stillbirth rate.
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Affiliation(s)
- Garyfallia Syridou
- Second Department of Pediatrics, P and A Kiriakou Children's Hospital, University of Athens, Thevon & Livadias Str, GR-11527, Athens, Greece.
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Chakravarti A, Sharma A, Matlani M. Routine Screening for Rubella and CMV Antibodies During Pregnancy: Is it Justifiable? J Obstet Gynaecol India 2013; 63:378-82. [DOI: 10.1007/s13224-013-0422-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2010] [Accepted: 06/21/2011] [Indexed: 11/30/2022] Open
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[Routine screening for CMV during pregnancy: practices assessment in Île-de-France]. ACTA ACUST UNITED AC 2013; 41:578-82. [PMID: 24099656 DOI: 10.1016/j.gyobfe.2013.07.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2012] [Accepted: 06/06/2013] [Indexed: 11/23/2022]
Abstract
OBJECTIFS Congenital infection with cytomegalovirus (CMV) is the leading cause of materno-fetal viral infection in industrialized countries. It covers up to 1% of neonates with risk of sequelae. The recommendations of the National agency for accreditation and evaluation in health from 2004 does not support routine screening for CMV during pregnancy. Some maternity hospitals still practice this screening and the purpose of this work is to present an overview of this practice in Île-de-France. PATIENTS AND METHODS We present a descriptive cross-sectional survey among 99 maternity hospitals of Île-de-France between July 30, 2011 to January 15, 2012. Data were collected using a questionnaire in most cases during a telephone interview. Ninety-one questionnaires were collected. The primary endpoint was the achievement or otherwise of this screening. RESULTS Of the 91 maternity hospitals surveyed, 13 (14.3%) still were conducting this screening in 2012. This practice was a minority and unrelated to the status (public/private), obstetric-pediatric type or activity. DISCUSSION & CONCLUSION According to recent literature data, this diagnosis should be proposed only in case clinical or ultrasound signs. Screening could be included as part of research protocol for a better understanding of this pathology. It is not recommended in France and pending the development of an effective vaccine, informing pregnant women about preventive measures appear to be the most effective measure. This will involve a wide dissemination of recommendations to general practitioners in first line in support of women in early pregnancy.
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Yamamoto R, Ishii K, Shimada M, Hayashi S, Hidaka N, Nakayama M, Mitsuda N. Significance of maternal screening for toxoplasmosis, rubella, cytomegalovirus and herpes simplex virus infection in cases of fetal growth restriction. J Obstet Gynaecol Res 2012; 39:653-7. [DOI: 10.1111/j.1447-0756.2012.02012.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2012] [Accepted: 07/29/2012] [Indexed: 11/29/2022]
Affiliation(s)
- Ryo Yamamoto
- Department of Maternal Fetal MedicineOsaka Medical Center and Research Institute for Maternal and Child Health Osaka Japan
| | - Keisuke Ishii
- Department of Maternal Fetal MedicineOsaka Medical Center and Research Institute for Maternal and Child Health Osaka Japan
| | - Mayumi Shimada
- Department of Maternal Fetal MedicineOsaka Medical Center and Research Institute for Maternal and Child Health Osaka Japan
| | - Syusaku Hayashi
- Department of Maternal Fetal MedicineOsaka Medical Center and Research Institute for Maternal and Child Health Osaka Japan
| | - Nobuhiro Hidaka
- Department of Maternal Fetal MedicineOsaka Medical Center and Research Institute for Maternal and Child Health Osaka Japan
| | - Masahiro Nakayama
- Department of Maternal Fetal MedicineOsaka Medical Center and Research Institute for Maternal and Child Health Osaka Japan
| | - Nobuaki Mitsuda
- Department of Maternal Fetal MedicineOsaka Medical Center and Research Institute for Maternal and Child Health Osaka Japan
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Awareness of and attitudes toward congenital cytomegalovirus infection among pregnant women in Singapore. Int J Gynaecol Obstet 2012; 117:268-72. [PMID: 22445422 DOI: 10.1016/j.ijgo.2011.12.025] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2011] [Revised: 12/21/2011] [Accepted: 02/21/2012] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To assess the level of awareness of congenital cytomegalovirus (CMV) infection and attitudes toward prenatal CMV serologic testing among pregnant women. METHODS A questionnaire was distributed to pregnant women who attended a specialist outpatient clinic at Singapore General Hospital, Singapore, between September and December 2010. RESULTS Among 200 respondents, 40 (20.0%) were aware of CMV. Healthcare workers were more likely to be aware of CMV (odds ratio 6.91, confidence interval 2.14-22.30; P=0.001). Most respondents found it "very" or "somewhat" easy to adhere to standard guidelines for primary prevention of CMV. Among the respondents, 62.0% (124/200) would like to be given the option of prenatal CMV screening and 72.0% (144/200) were keen to be screened. On multivariate analysis, respondents who were keen to undergo serologic screening for CMV were not more likely to consider invasive testing or termination of pregnancy should the test results demonstrate primary maternal CMV infection. CONCLUSION Pregnant women who were keen to undergo CMV testing demonstrated attitudes toward invasive testing and termination of pregnancy that were not significantly different from those of women who would refuse testing. Patient choice and expectations should be considered in the implementation of preventive measures against congenital CMV.
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Viccaro M, Filipo R, Bosco E, Nicastri M, Mancini P. Long-Term Follow-Up of Implanted Children with Cytomegalovirus-Related Deafness. ACTA ACUST UNITED AC 2012; 17:395-9. [DOI: 10.1159/000341160] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2012] [Accepted: 06/11/2012] [Indexed: 11/19/2022]
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Malik V, Bruce IA, Broomfield SJ, Henderson L, Green KMJ, Ramsden RT. Outcome of cochlear implantation in asymptomatic congenital cytomegalovirus deafened children. Laryngoscope 2011; 121:1780-4. [DOI: 10.1002/lary.21818] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Vikas Malik
- Department of Otorhinolaryngology-Head and Neck Surgery, Manchester Royal Infirmary, Central Manchester University Hospitals NHS Foundation Trust, Manchester, United Kingdom.
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Abstract
UNLABELLED Congenital cytomegalovirus (CMV) is the most common intrauterine infection and the leading infectious cause of sensorineural hearing loss and mental retardation. This article reviews the issues that relate to the diagnosis and management of this disease, detailing the points that led to the recent published guidelines by the Society of Obstetricians and Gynaecologists of Canada. A MEDLINE/Cochrane search of CMV infection, pregnancy, and prenatal diagnosis found 195 studies between 1980 and 2010. Of these, we examined 59 relevant studies. The probability of intrauterine transmission following primary infection is 30% to 40%, but only 1% after secondary infection. About 10% to 15% of congenitally infected infants will have symptoms at birth, and 20% to 30% of them will die, whereas 5% to 15% of the asymptomatic infected neonates will develop sequelae later. Children with congenital CMV infection following first trimester infection are more likely to have central nervous system sequelae, whereas infection acquired in the third trimester has a high rate of intrauterine transmission but a favorable outcome. The prenatal diagnosis of fetal CMV infection should be based on amniocentesis performed 7 weeks after the presumed time of infection and after 21 weeks of gestation. Sonographic findings often imply poor prognosis, but their absence does not guarantee a normal outcome. The value of quantitative determination of CMV DNA in the amniotic fluid is not yet confirmed. The effectiveness of prenatal therapy for fetal CMV is not yet proven, although CMV-specific hyperimmune globulin may be beneficial. Routine serologic screening of pregnant women or newborns has never been recommended by any public health authority. TARGET AUDIENCE Obstetricians & Gynecologists, Family Physicians. LEARNING OBJECTIVES After completion of this educational activity, the obstetrician/gynecologist should be better able to evaluate the principles of prenatal diagnosis of congenital CMV infection so doctors will be familiar with the tests and procedures needed, in order to reach a diagnosis of congenital CMV; to assess the natural history and outcome of congenital CMV infection enabling obstetricians to counsel prenatally pregnant women with CMV; and to analyze the prognostic markers for fetal CMV, so managing physicians will be able to predict more accurately the outcomes of fetuses infected by CMV.
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Peled Y, Yogev Y, Oron G, Amir J, Pardo J. Suggested algorithm for cytomegalovirus surveillance in low-risk pregnancies. J Matern Fetal Neonatal Med 2011; 24:1353-6. [DOI: 10.3109/14767058.2011.552653] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Abstract
OBJECTIVES To review the principles of prenatal diagnosis of congenital cytomegalovirus (CMV) infection and to describe the outcomes of the affected pregnancies. OUTCOMES Effective management of fetal infection following primary and secondary maternal CMV infection during pregnancy. Neonatal signs include intrauterine growth restriction (IUGR), microcephaly, hepatosplenomegaly, petechiae, jaundice, chorioretinitis, thrombocytopenia and anemia, and long-term sequelae consist of sensorineural hearing loss, mental retardation, delay of psychomotor development, and visual impairment. These guidelines provide a framework for diagnosis and management of suspected CMV infections. EVIDENCE Medline was searched for articles published in English from 1966 to 2009, using appropriate controlled vocabulary (congenital CMV infection) and key words (intrauterine growth restriction, microcephaly). Results were restricted to systematic reviews, randomized controlled trials/controlled clinical trials, and observational studies. Searches were updated on a regular basis and incorporated into the guideline. Grey (unpublished) literature was identified through searching the websites of health technology assessment and health technology assessment-related agencies, clinical practice guideline collections, clinical trial registries, and national and international medical specialty societies. RECOMMENDATIONS The quality of evidence reported in this document has been assessed using the evaluation of evidence criteria in the Report of the Canadian Task Force on Preventive Health Care (Table 1). 1. Diagnosis of primary maternal cytomegalovirus (CMV) infection in pregnancy should be based on de-novo appearance of virus-specific IgG in the serum of a pregnant woman who was previously seronegative, or on detection of specific IgM antibody associated with low IgG avidity. (II-2A) 2. In case of primary maternal infection, parents should be informed about a 30% to 40% risk for intrauterine transmission and fetal infection, and a risk of 20% to 25% for development of sequelae postnatally if the fetus is infected. (II-2A) 3. The prenatal diagnosis of fetal CMV infection should be based on amniocentesis, which should be done at least 7 weeks after presumed time of maternal infection and after 21 weeks of gestation. This interval is important because it takes 5 to 7 weeks following fetal infection and subsequent replication of the virus in the kidney for a detectable quantity of the virus to be secreted to the amniotic fluid. (II-2A) 4. The diagnosis of secondary infection should be based on a significant rise of IgG antibody titre with or without the presence of IgM and high IgG avidity. In cases of proven secondary infection, amniocentesis may be considered, but the risk-benefit ratio is different because of the low transmission rate. (III-C) 5. Following a diagnosis of fetal CMV infection, serial ultrasound examinations should be performed every 2 to 4 weeks to detect sonographic abnormalities, which may aid in determining the prognosis of the fetus, although it is important to be aware that the absence of sonographic findings does not guarantee a normal outcome. (II-2B) 6. Quantitative determination of CMV DNA in the amniotic fluid may assist in predicting the fetal outcome. (II-3B) 7. Routine screening of pregnant women for CMV by serology testing is currently not recommended. (III-B) 8. Serologic testing for CMV may be considered for women who develop influenza-like illness during pregnancy or following detection of sonographic findings suggestive of CMV infection. (III-B) 9. Seronegative health care and child care workers may be offered serologic monitoring during pregnancy. Monitoring may also be considered for seronegative pregnant women who have a young child in day care. (III-B).
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Yinon Y, Farine D, Yudin MH. [Cytomegalovirus infection in pregnancy]. JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA 2010; 32:355-362. [PMID: 20500944 DOI: 10.1016/s1701-2163(16)34481-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Cahill AG, Odibo AO, Stamilio DM, Macones GA. Screening and treating for primary cytomegalovirus infection in pregnancy: where do we stand? A decision-analytic and economic analysis. Am J Obstet Gynecol 2009; 201:466.e1-7. [PMID: 19782961 DOI: 10.1016/j.ajog.2009.07.056] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2009] [Revised: 05/16/2009] [Accepted: 07/20/2009] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To estimate which 1 of 3 screening strategies for primary maternal cytomegalovirus infection, with intention to treat with hyperimmune globulin, is most cost-effective. STUDY DESIGN A decision-analytic and cost-effectiveness model was constructed for pregnant women, comparing 3 strategies screening for primary maternal cytomegalovirus infection with intention to treat with cytomegalovirus-intravenous immune globulin: (1) serum screen all pregnant women, (2) serum screen women with risk factors for primary cytomegalovirus, (3) serum screen women with suspicious sonographic findings. Probability, use (or value), and cost estimates were derived from published literature. RESULTS Universal screening for primary maternal cytomegalovirus was the preferred and most cost-effective strategy. However, if treatment with cytomegalovirus-intravenous immune globulin achieved less than a 47% reduction (relative risk, 0.53) in clinical disease, universal screening would no longer be cost-effective. CONCLUSION Universal screening for primary maternal cytomegalovirus infection is cost-effective based on available evidence, highlighting the urgent need for additional study evaluating the efficacy of cytomegalovirus-intravenous immune globulin to prevent congenital cytomegalovirus.
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Affiliation(s)
- Alison G Cahill
- Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO, USA
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Wang HT, Wang B, Liu ZJ, Bai ZQ, Li L, Liu HY, Qian DM, Yan ZY, Song XX. Effect of human cytomegalovirus infection on nerve growth factor expression in human glioma U251 cells. BIOMEDICAL AND ENVIRONMENTAL SCIENCES : BES 2009; 22:354-358. [PMID: 19950533 DOI: 10.1016/s0895-3988(09)60068-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
OBJECTIVE To explore the change of endogenic nerve growth factor (NGF) expression in human glioma cells infected with human cytomegalovirus (HCMV). METHODS U251 cells were cultured in RPMI 1640 culture medium and infected with HCMV AD169 strain in vitro to establish a cell model of viral infection. Morphologic changes of U251 cells were observed under inverted microscope before and after infection with HCMV. Expression of NGF gene and protein of cells was detected by RT-PCR and Western blotting before and after infection with HCMV. RESULTS The cytopathic effects of HCMV-infected cells appeared on day 5 after infection. However, differential NGF expression was evident on day 7. NGF expression was decreased significantly in U251 cells on day 7 after infection in comparison with control group (P < 0.05). CONCLUSION HCMV can down-regulate endogenous NGF levels in human glioma cell line U251.
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Affiliation(s)
- Hai-Tao Wang
- Department of Microbiology, Qingdao Medical College, Key Laboratory of Medicine and Biotechnology of Qingdao, Qingdao University Medical College, Qingdao 266071, Shandong, China
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Ocak S, Zeteroglu S, Ozer C, Dolapcioglu K, Gungoren A. Seroprevalence of Toxoplasma gondii, rubella and cytomegalovirus among pregnant women in southern Turkey. ACTA ACUST UNITED AC 2009; 39:231-4. [PMID: 17366053 DOI: 10.1080/00365540600978880] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Primary infections caused by Toxoplasma gondii, rubella and cytomegalovirus (CMV) can lead to serious complications in pregnant women. The aim of this study was to determine the seroprevalence of Toxoplasma, rubella and CMV infections through antenatal screening. In this study, the consecutive records of 1652 pregnant women examined between the period March 2004 to January 2006 were included. The results of the antenatal screening for Toxoplasma, rubella and CMV during the first trimester of pregnancy were evaluated. Anti-Toxoplasma, anti-rubella and anti-CMV IgG and IgM antibodies were assayed using an enzyme linked immunosorbent assay method. Of the 1652 pregnant women tested, anti-Toxoplasma IgG antibody was found in 860 (52.1%) of the cases, while 9 (0.54%) of the subjects tested positive for anti-Toxoplasma IgM. Anti-rubella IgG and IgM antibodies were reactive in 1570 (95.0%), and in 9 (0.54%) of the tested women, respectively. Moreover, 1568 (94.9%) of them were found to be positive for anti-CMV IgG, while 7 (0.4%) tested positive for anti-CMV IgM. Consequently, because of the high seropositivity of T. gondii, rubella and CMV in the pregnant women, the country's health authorities should be alerted, and preventive measures should be taken.
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Affiliation(s)
- Sabahattin Ocak
- Department of Infectious Disease and Clinical Microbiology, Mustafa Kemal University, Hatay, Turkey.
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Wang HT, Wang B, Liu ZJ, Bai ZQ, Li L, Qian DM, Yan ZY, Song XX. HCMV infection depress NGF expression in human glioma cells. Virol Sin 2009. [DOI: 10.1007/s12250-009-3018-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Mcgavigan CJ, Sivaprakasam V, Aitken C, Mackenzie F. CMV Infection In Multiple Pregnancy — The Unpredictability Of Infectivity And Affectivity. Scott Med J 2008. [DOI: 10.1258/rsmsmj.53.3.57f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Congenital CMV infections are the commonest congenitally transmitted infections affecting 0.5 to 2 % of all live births around the globe.1 Here we report a case of congenital CMV infection in a woman with a triplet pregnancy with variable outcomes in all three fetuses.
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Affiliation(s)
- CJ Mcgavigan
- Department of Obstetric and Gynaecology, Princess Royal Maternity Hospital, 16 Alexandra Parade, Glasgow G31 2ER
| | - V Sivaprakasam
- West of Scotland Specialist Virology Centre, Regional Virus Lab, Gartnavel General Hospital, 1053 Great Western Road, Glasgow G12 0YN
| | - C Aitken
- West of Scotland Specialist Virology Centre, Regional Virus Lab, Gartnavel General Hospital, 1053 Great Western Road, Glasgow G12 0YN
| | - F Mackenzie
- Department of Obstetric and Gynaecology, Princess Royal Maternity Hospital, 16 Alexandra Parade, Glasgow G31 2ER
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Zalel Y, Gilboa Y, Berkenshtat M, Yoeli R, Auslander R, Achiron R, Goldberg Y. Secondary cytomegalovirus infection can cause severe fetal sequelae despite maternal preconceptional immunity. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2008; 31:417-20. [PMID: 18383476 DOI: 10.1002/uog.5255] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
OBJECTIVES To describe our experience in cases with sonographic signs of fetal infection and with maternal serological 'immunity' to cytomegalovirus (CMV) infection. METHODS This was a bicenter study of six pregnant women referred for evaluation of suspected fetal infection. All cases had confirmed maternal serology for past exposure to CMV but no evidence of recent secondary CMV infection. All underwent sonographic evaluation as well as complete investigation for CMV infection. RESULTS The mean age of the women was 29 (range, 23-35) years and the mean gestational age at diagnosis was 23.5 weeks (range, 20-31) weeks. Sonographic findings included microcephaly, ventriculomegaly, periventricular calcifications and cystic lesions, echogenic bowel, hydrops and hepatosplenomegaly. Amniocentesis was performed in all cases for fetal karyotyping and viral assessment, and all were found by polymerase chain reaction to be positive for CMV infection. Four pregnancies were terminated following the parents' request. One pregnancy continued until intrauterine fetal death occurred 2 weeks after diagnosis. Postmortem was denied in all cases but one. One infant was delivered with evidence of severe cerebral palsy. CONCLUSION In the presence of sonographic findings suggestive of fetal CMV infection, prompt investigation of amniotic fluid should follow even if maternal serology does not support recent maternal seroconversion.
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Affiliation(s)
- Y Zalel
- Ultrasound Unit, Department of Obstetrics & Gynecology, Sheba Medical Center, Tel-Hashomer (affiliated with the Sackler School of Medicine, Tel-Aviv University), Israel.
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Zhang JP, Li F, Yu XW, Sheng Q, Shi XW, Zhang XW. Trace Elements and Cytokine Profile in Cytomegalovirus-Infected Pregnancies: A Controlled Study. Gynecol Obstet Invest 2007; 65:128-32. [DOI: 10.1159/000110013] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2006] [Accepted: 04/20/2007] [Indexed: 11/19/2022]
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Iwasaki S, Yamashita M, Maeda M, Misawa K, Mineta H. Audiological Outcome of Infants with Congenital Cytomegalovirus Infection in a Prospective Study. ACTA ACUST UNITED AC 2007; 12:31-6. [PMID: 17033163 DOI: 10.1159/000096156] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2006] [Accepted: 08/04/2006] [Indexed: 11/19/2022]
Abstract
The aim of this study was to evaluate the audiological outcome of long-term follow-up of infants with asymptomatic congenital cytomegalovirus (CMV) infection as defined by the presence of CMV DNA in neonatal urine. 12599 pregnant women underwent screening for CMV IgG and IgM antibodies between 1996 and 2003. Eighteen infants with congenital CMV infection were identified. These infants underwent the newborn hearing screening test or auditory brainstem response test. Follow-up hearing assessments were performed with the auditory brainstem response and behavioral audiometry. The seropositive rate of CMV IgG antibody among the pregnant women was 75.3%, and the yearly seropositive rate decreased over the study period. One hundred and forty-six pregnant women were positive for IgM antibody, and 18 neonates (12.3%) had congenital CMV infection. Sensorineural hearing loss (SNHL) was detected in 4 (25%) of the 16 infants with asymptomatic infection and 1 (50%) of the 2 infants with symptomatic infection during the first 6 months of life. Two infants who passed the newborn hearing screening had a delayed-onset SNHL in follow-up examinations up to 4 years of age. Two had progressive hearing loss and 2 had improvement of hearing loss. Screening of pregnant women for CMV infection and repeated audiological examinations of infants are necessary because there are infants with delayed-onset SNHL or improved SNHL caused by asymptomatic congenital CMV infection.
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Affiliation(s)
- Satoshi Iwasaki
- Department of Otolaryngology, Hamamatsu University School of Medicine, Hamamatsu City, Japan.
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Gustafsson B, Jernberg AG, Priftakis P, Bogdanovic G. No CMV DNA in Guthrie cards from children who later developed ALL. Pediatr Hematol Oncol 2006; 23:199-205. [PMID: 16517536 DOI: 10.1080/08880010500506677] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
An association of a viral infection in utero and development of acute lymphoblastic leukemia (ALL) has been suggested. Cytomegalovirus (CMV) has been reported as a leading agent of intrauterine infections resulting in some cases of congenital infections. The authors investigated the presence of prenatal CMV infection in children who later developed ALL. Guthrie cards were obtained from 48 children with ALL and 46 healthy children and were analyzed for the presence of CMV DNA by a real-time TaqMan PCR. CMV DNA was not detected in Guthrie cards from the children with ALL, from the control healthy children. The results show that prenatal CMV infection does not seem to be associated with later development of childhood ALL.
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Affiliation(s)
- Britt Gustafsson
- Department of Paediatrics, Karolinska University Hospital Huddinge, Karolinska Institutet, Stockholm, Sweden
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Lee DJ, Lustig L, Sampson M, Chinnici J, Niparko JK. Effects of cytomegalovirus (CMV) related deafness on pediatric cochlear implant outcomes. Otolaryngol Head Neck Surg 2006; 133:900-5. [PMID: 16360511 DOI: 10.1016/j.otohns.2005.08.013] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2004] [Accepted: 08/17/2005] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Human cytomegalovirus (CMV) is a commonly recognized viral cause of perinatal sensorineural hearing loss. CMV-infected infants are also at risk for developmental neurological deficits. This retrospective study assesses the impact of CMV-induced deafness on pediatric cochlear implant outcomes. STUDY DESIGN AND SETTING Thirteen patients from the Johns Hopkins pediatric cochlear implant database were identified with CMV-related deafness. A retrospective review of the medical records of the Johns Hopkins Hospital was performed. RESULTS The mean age at implantation was 5.6 years. Follow-up audiometric data ranged from 6 to 48 months postoperatively. Mean speech perception scores were 4.5 (out of 6) following implantation. CONCLUSION We have shown that cochlear implants can provide useful speech comprehension to patients with CMV-related deafness. Speech recognition scores were within the range established by our overall pediatric implant population. SIGNIFICANCE This observation underscores the importance of a multidisciplinary rehabilitation program following implantation in these patients at risk for cognitive delay.
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Affiliation(s)
- Daniel J Lee
- Department of Otolaryngology-Head and Neck Surgery, The Johns Hopkins School of Medicine, Baltimore, Maryland, USA
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Munro SC, Hall B, Whybin LR, Leader L, Robertson P, Maine GT, Rawlinson WD. Diagnosis of and screening for cytomegalovirus infection in pregnant women. J Clin Microbiol 2005; 43:4713-8. [PMID: 16145132 PMCID: PMC1234061 DOI: 10.1128/jcm.43.9.4713-4718.2005] [Citation(s) in RCA: 117] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
No single diagnostic test for cytomegalovirus (CMV) infection is currently available for pregnant women at all stages of gestation. Improved accuracy in estimating the timing of primary infections can be used to identify women at higher risk of giving birth to congenitally infected infants. A diagnostic algorithm utilizing immunoglobulin G (IgG), IgM, and IgG avidity was used to prospectively screen serum from 600 pregnant women enrolled from two groups: < or =20 weeks gestation (n = 396) or >20 weeks gestation (n = 204). PCR testing of urine and/or blood was performed on all seropositive women (n = 341). The majority (56.8%) of women were CMV IgG seropositive, with 5.5% being also CMV IgM positive. In the IgM-positive women, 1.2% had a low-avidity IgG, indicating a primary CMV infection and a high risk of intrauterine transmission. Two infants with asymptomatic CMV infection were born of mothers who had seroconverted in the second trimester of pregnancy. Baseline, age-stratified CMV serostatus was established from 1,018 blood donors. Baseline seropositivity from a blood donor population increased with age from 34.9% seroprevalence at less than 20 years of age to 72% seroprevalence at 50 years of age. Women at high risk of intrauterine transmission of CMV were identified at all stages of gestation. Women infected with CMV during late gestation may be more likely to transmit the virus, so failure to detect seroconversions in late gestation may result in failure to detect infected neonates.
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Affiliation(s)
- S C Munro
- Virology Division, Department of Microbiology SEALS, Prince of Wales Hospital, New South Wales, Australia.
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Munro SC, Trincado D, Hall B, Rawlinson WD. Symptomatic infant characteristics of congenital cytomegalovirus disease in Australia. J Paediatr Child Health 2005; 41:449-52. [PMID: 16101982 DOI: 10.1111/j.1440-1754.2005.00665.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Human cytomegalovirus (CMV) is the most common cause of viral intrauterine infection. In utero transmission can occur during primary maternal infection, reactivation or reinfection of seropositive mothers. OBJECTIVE To describe the aetiology and clinical features of infants diagnosed with congenital CMV and to document maternal factors that were presented. METHODS Active national surveillance was initiated in 1999 in collaboration with the Australian Paediatric Surveillance Unit. RESULTS Monthly notifications resulted in 70 cases of congenital CMV being identified between 1999 and 2003. Nearly all of the cases were symptomatic with the most common clinical sequelae reported in infected infants being jaundice, thrombocytopaenia, hepatomegaly, petechiae, purpura and splenomegaly. Almost half (43.5%) of the infants had central nervous system (CNS) complications, such as microcephaly, chorioretinitis, sensorineural hearing loss, intracranial calcifications, developmental delay or seizures, with over half presenting two or more CNS abnormalities. Maternal febrile illness was noted in 54.8% of the cases. The majority of mothers were primiparous (46.4%) or secundiparous (39.3%), indicating two different population groups at risk of primary CMV infection. CONCLUSION This study documents symptomatic congenital CMV cases in Australia.
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Affiliation(s)
- Sian C Munro
- Virology Division, Department of Microbiology, SEALS, Prince of Wales Hospital, New South Wales, Australia.
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Chen HP, Wang TR, Xiang WP, Xu XY, Zhang M, Xu JP. Diagnosis of human cytomegalovirus intrauterine infection using fetal cells from maternal blood. Int J Gynaecol Obstet 2005; 89:14-8. [PMID: 15777892 DOI: 10.1016/j.ijgo.2004.12.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2004] [Revised: 12/15/2004] [Accepted: 12/16/2004] [Indexed: 11/25/2022]
Abstract
OBJECTIVE The sensitivity and specificity for the noninvasive prenatal diagnosis of human cytomegalovirus intrauterine infection were estimated by using isolating single fetal cells from maternal peripheral blood. METHODS Micromanipulation techniques were employed to isolate single fetal nucleated erythroblasts from 273 maternal blood samples. SRY gene and HCMV-DNA in single fetal cells were detected by multiple primed in situ labeling (PRINS) from 76 HCMV-DNA positive samples of maternal peripheral blood. 273 samples of maternal peripheral blood were tested for SRY gene and HCMV-DNA in single fetal cells by primed extension preamplification (PEP) and polymerase chain reaction (PCR). RESULTS The detection rate of fetal cells from maternal blood was 100% with micromanipulation techniques. The sensitivity of PRINS for SRY gene detection was 97.56% and its specificity was 100%. The sensitivity and specificity of PEP and PCR for SRY gene detection were 97.39% and 99.17%, respectively. The sensitivity of PRINS for HCMV-DNA detection was 92.68% and the specificity was 100%. The sensitivity and specificity of PEP and PCR for HCMV-DNA detection were 95.12%and 100%, respectively. CONCLUSION The technique for noninvasive prenatal detection of intrauterine infection of HCMV using single fetal cells from maternal peripheral blood by using PRINS and PEP and PCR is more reliable than the CMV-DNA detection in peripheral maternal blood, amniocentesis or percutaneous umbilical blood sampling.
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Affiliation(s)
- H P Chen
- Department of Gynecology and Obstetrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan-430030, China.
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Picone O, Costa JM, Ville Y, Chaix ML, Rouzioux C, Leruez-Ville M. [Genetic polymorphism of cytomegalovirus strains responsible of congenital infections]. ACTA ACUST UNITED AC 2005; 52:534-9. [PMID: 15531118 DOI: 10.1016/j.patbio.2004.09.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2004] [Accepted: 09/13/2004] [Indexed: 10/26/2022]
Abstract
OBJECTIVES Congenital Cytomegalovirus (CMV) infection is the main cause of neurological handicap in young children. The objective for studying genetic polymorphism of strains responsible for congenital infection is to identify CMV strains or groups of strains which would be more frequent in this context and/or which would be responsible for more severe congenital infection. METHODS In this paper, we report and analyze the literature concerning the genetic polymorphism of CMV strains responsible of congenital infection, in the genes coding for the envelop protein B and the non structural UL144 protein and in the CMV short tandem repeats. RESULTS AND CONCLUSION All UL144 and gB genotypes can be vertically transmitted from mothers to fetuses, none of these studies has shown any link between the genotypes and the severity of congenital disease. Moreover, no link between short tandem repeats polymorphism and severity of congenital disease has been demonstrated. However, short tandem repeats analysis may be a powerful tool to study the epidemiology of CMV congenital infections.
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Affiliation(s)
- Olivier Picone
- Laboratoire de Virologie, EA 3620 Université René Descartes, CHU Necker-Enfants Malades, 149, rue de Sèvres, 75015 Paris, France
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Fujikawa T, Numazaki K, Asanuma H, Tsutsumi H. Human cytomegalovirus infection during pregnancy and detection of specific T cells by intracellular cytokine staining. Int J Infect Dis 2004; 7:215-21. [PMID: 14563226 DOI: 10.1016/s1201-9712(03)90055-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE The flow cytometric assay was evaluated as a tool for real-time monitoring of human cytomegalovirus (HCMV)-specific cellular immunity in pregnant women. METHODS We screened for HCMV infection in pregnant women in Sapporo, Japan, during the year 2000, by serologic assays, virus isolation from urine, and PCR to detect DNA in cervical swabs. The frequencies of HCMV-specific CD4+ T cells in pregnant women with serum anti-HCMV IgG antibody were detected by intracellular cytokine (ICC), interferon-gamma (IFN-gamma) and tumor necrosis factor-alpha (TNF-alpha) staining. RESULTS The levels of intracellular cytokines in pregnant women with serum anti-HCMV IgG antibody were significantly higher than those in women without anti-HCMV IgG antibody (P = 0.011 for IFN-gamma and P = 0.023 for TNF-alpha) but lower than those in non-pregnant women with serum anti-HCMV IgG antibody. Frequencies of HCMV-specific CD4+ T cells were higher in infants with symptomatic congenital infection than in infants with asymptomatic perinatal infection. CONCLUSIONS This ICC assay may reflect immunologic activity against HCMV infection in pregnant women with immunosuppressive conditions.
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Affiliation(s)
- Tomoko Fujikawa
- Department of Pediatrics, Sapporo Medical University School of Medicine, Sapporo, Japan
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de Souza S, Bonon SHA, Costa SCB, Rossi CL. Evaluation of an in-house specific immunoglobulin G (IgG) avidity ELISA for distinguishing recent primary from long-term human cytomegalovirus (HCMV) infection. Rev Inst Med Trop Sao Paulo 2004; 45:323-6. [PMID: 14762632 DOI: 10.1590/s0036-46652003000600005] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
This article describes the standardization and evaluation of an in-house specific IgG avidity ELISA for distinguishing recent primary from long-term human cytomegalovirus (HCMV) infection. The test was standardized with the commercial kit ETI-CYTOK G Plus (Sorin Biomedica, Italy) using 8 M urea in phosphate-buffered saline to dissociate low-avidity antibodies after the antigen-antibody interaction. The performance of the in-house assay was compared to that of the commercial automated VIDAS CMV IgG avidity test (bioM rieux, France). Forty-nine sera, 24 from patients with a recent primary HCMV infection and 25 from patients with a long-term HCMV infection and a sustained persistence of specific IgM antibodies, were tested. Similar results were obtained with the two avidity methods. All 24 sera from patients with recently acquired infection had avidity indices compatible with acute HCMV infection by the VIDAS method, whereas with the in-house method, one serum sample had an equivocal result. In the 25 sera from patients with long-term infection, identical results were obtained with the two methods, with only one serum sample having an incompatible value. These findings suggest that our in-house avidity test could be a potentially useful tool for the immunodiagnosis of HCMV infection.
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Affiliation(s)
- Silmara de Souza
- Departamento de Patologia Clínica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, S.P., Brasil
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Abstract
Most women of childbearing age who receive a renal transplant have a return of normal menses and have the ability to become pregnant. Most studies indicate that pregnancy does not adversely affect the transplant kidney's survival as long as renal function is good and serum creatinine is stable before pregnancy. The experience with immunosuppressive drugs has been surprisingly reassuring with no increase in congenital anomalies with cyclosporine, prednisone, and azathioprine. There is little experience with newer drugs. Pregnant transplant recipients need to be monitored for opportunistic infections, which may adversely affect the fetus, including herpes, toxoplasmosis, and CMV. Hypertension, urinary tract infections, and anemia are other common problems in pregnant transplant recipients. Despite a high frequency of premature births, over 80% of pregnancies result in surviving infants.
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Affiliation(s)
- Susan Hou
- Section of Nephrology, Department of Medicine, Loyola University Medical Center, Chicago, IL, USA.
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Diagnosis and management of human cytomegalovirus infection in the mother, fetus, and newborn infant. Clin Microbiol Rev 2002. [PMID: 12364375 DOI: 10.1128/cmr.15.4.680-715,] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Human cytomegalovirus (HCMV) is the leading cause of congenital viral infection and mental retardation. HCMV infection, while causing asymptomatic infections in most immunocompetent subjects, can be transmitted during pregnancy from the mother with primary (and also recurrent) infection to the fetus. Hence, careful diagnosis of primary infection is required in the pregnant woman based on the most sensitive serologic assays (immunoglobulin M [IgM] and IgG avidity assays) and conventional virologic and molecular procedures for virus detection in blood. Maternal prognostic markers of fetal infection are still under investigation. If primary infection is diagnosed in a timely manner, prenatal diagnosis can be offered, including the search for virus and virus components in fetal blood and amniotic fluid, with fetal prognostic markers of HCMV disease still to be defined. However, the final step for definite diagnosis of congenital HCMV infection is detection of virus in the blood or urine in the first 1 to 2 weeks of life. To date, treatment of congenital infection with antiviral drugs is only palliative both prior to and after birth, whereas the only efficacious preventive measure seems to be the development of a safe and immunogenic vaccine, including recombinant, subunit, DNA, and peptide-based vaccines now under investigation. The following controversial issues are discussed in the light of the most recent advances in the field: the actual perception of the problem; universal serologic screening before pregnancy; the impact of correct counseling on decision making by the couple involved; the role of prenatal diagnosis in ascertaining transmission of virus to the fetus; the impact of preconceptional and periconceptional infections on the prevalence of congenital infection; and the prevalence of congenitally infected babies born to mothers who were immune prior to pregnancy compared to the number born to mothers undergoing primary infection during pregnancy.
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Revello MG, Gerna G. Diagnosis and management of human cytomegalovirus infection in the mother, fetus, and newborn infant. Clin Microbiol Rev 2002; 15:680-715. [PMID: 12364375 PMCID: PMC126858 DOI: 10.1128/cmr.15.4.680-715.2002] [Citation(s) in RCA: 381] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Human cytomegalovirus (HCMV) is the leading cause of congenital viral infection and mental retardation. HCMV infection, while causing asymptomatic infections in most immunocompetent subjects, can be transmitted during pregnancy from the mother with primary (and also recurrent) infection to the fetus. Hence, careful diagnosis of primary infection is required in the pregnant woman based on the most sensitive serologic assays (immunoglobulin M [IgM] and IgG avidity assays) and conventional virologic and molecular procedures for virus detection in blood. Maternal prognostic markers of fetal infection are still under investigation. If primary infection is diagnosed in a timely manner, prenatal diagnosis can be offered, including the search for virus and virus components in fetal blood and amniotic fluid, with fetal prognostic markers of HCMV disease still to be defined. However, the final step for definite diagnosis of congenital HCMV infection is detection of virus in the blood or urine in the first 1 to 2 weeks of life. To date, treatment of congenital infection with antiviral drugs is only palliative both prior to and after birth, whereas the only efficacious preventive measure seems to be the development of a safe and immunogenic vaccine, including recombinant, subunit, DNA, and peptide-based vaccines now under investigation. The following controversial issues are discussed in the light of the most recent advances in the field: the actual perception of the problem; universal serologic screening before pregnancy; the impact of correct counseling on decision making by the couple involved; the role of prenatal diagnosis in ascertaining transmission of virus to the fetus; the impact of preconceptional and periconceptional infections on the prevalence of congenital infection; and the prevalence of congenitally infected babies born to mothers who were immune prior to pregnancy compared to the number born to mothers undergoing primary infection during pregnancy.
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Gerber S, Vial Y, Hohlfeld P, Witkin SS. Prenatal diagnosis of congenital cytomegalovirus infection by detection of immunoglobulin M antibodies to the 70-kd heat shock protein in fetal serum. Am J Obstet Gynecol 2002; 187:955-9. [PMID: 12388985 DOI: 10.1067/mob.2002.126990] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Antibodies to the 70-kd heat shock protein were evaluated as biomarkers for cytomegalovirus infection. STUDY DESIGN Fetal sera that was obtained by cordocentesis at 22 to 25 weeks of gestation from 53 mothers with a confirmed primary cytomegalovirus infection and 28 mothers (control group) without cytomegalovirus infection who had been screened for Rh incompatibility, were assayed by enzyme-linked immunosorbent assay for immunoglobulin M and G anti-70-kd heat shock protein antibodies. RESULTS Eighteen of 53 fetuses (34.0%) from cytomegalovirus-positive mothers were infected, which was determined by culture or polymerase chain reaction. Anti-70-kd heat shock protein immunoglobulin M was detected in 17 of 18 sera (94.4%) from cytomegalovirus-infected fetuses, in 3 of 35 sera (8.6%) from uninfected fetuses, and in 0 of 28 sera from the control group (P <.0001). The level of antibody reactivity was correlated positively with fetal disease. Anti-70-kd heat shock protein immunoglobulin G was detected in sera from 52 of 53 fetuses (98.1%) from cytomegalovirus-infected mothers. CONCLUSION The anti-70-kd heat shock protein immunoglobulin M assay may be of value in the assessment of fetal cytomegalovirus infection in pregnant women with a primary cytomegalovirus infection.
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Affiliation(s)
- Stefan Gerber
- Division of Immunology and Infectious Diseases, Department of Obstetrics and Gynecology, Weill Medical College of Cornell University, 515 East 71st Street, New York, NY 10021, USA
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