Publications by authors named "Jean Francois Magny"

Background: The treatment of congenital cytomegalovirus (CMV) infection is usually administered to neonates after birth; however, it can be anticipated during the prenatal period by treating pregnant women in order to reduce the severity of the congenital disease. The most commonly used treatment for CMV during pregnancy is valaciclovir; however, valganciclovir has a higher potency against CMV and is the first choice for neonates with congenital CMV disease.

Objectives: We investigated neonatal and maternal safety of tertiary prevention in infected fetuses showing ultrasound features of infection using valganciclovir.

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  • About 20% of neonates with congenital cytomegalovirus (cCMV) experience long-term health issues, making early prediction of outcomes crucial for treatment and counseling.
  • The study followed 227 neonates diagnosed with cCMV to identify predictive markers; key findings showed maternal primary infection during the first trimester greatly increased the risk of negative outcomes.
  • A model using normal hearing, platelet count, and cranial ultrasound at birth showed high specificity and can help clinicians tailor care for cCMV-affected neonates.
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Background: Congenital cytomegalovirus (cCMV) infection is frequent and potentially severe. The immunobiology of cCMV infection is poorly understood, involving cytokines that could be carried within or on the surface of extracellular vesicles (EV). We investigated intra-amniotic cytokines, mediated or not by EV, in cCMV infection.

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Objective: To evaluate cytomegalovirus (CMV) viral load dynamics in blood and saliva during the first 2 years of life in symptomatic and asymptomatic infected infants and to identify whether these kinetics could have practical clinical implications.

Study Design: The Cymepedia cohort prospectively included 256 congenitally infected neonates followed for 2 years. Whole blood and saliva were collected at inclusion and months 4 and 12, and saliva at months 18 and 24.

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To describe the frequency and nature of premedication practices for neonatal tracheal intubation (TI) in 2011; to identify independent risk factors for the absence of premedication; to compare data with those from 2005 and to confront observed practices with current recommendations. Data concerning TI performed in neonates during the first 14 days of their admission to participating neonatal/pediatric intensive care units were prospectively collected at the bedside. This study was part of the Epidemiology of Procedural Pain in Neonates study (EPIPPAIN 2) conducted in 16 tertiary care units in the region of Paris, France, in 2011.

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is a pathogen emerging worldwide as a leading cause of health care-associated infections. A standardized high-resolution typing method to document transmission and dissemination of multidrug-resistant strains is needed. Our aim was to provide a core genome multilocus sequence typing (cgMLST) scheme for to improve the international surveillance of We defined a cgMLST scheme based on 699 core genes and used it to investigate the population structure of the species and the genetic relatedness of isolates recovered from infants hospitalized in several wards of a French hospital.

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Premature birth is a test for fatherhood's process: it may hinder the ability to feel like a father or like a good father, and the ability to make the baby be part of the family line. A clinical research did explore how care givers in neonatal services may deploy psychic functions which support and revitalize a process of fatherhood which is potentially disturbed.

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  • A nationwide study in France analyzed hospitalization rates for bronchiolitis across four seasons to identify risk factors among infants, focusing on chronic medical conditions.
  • Data from nearly 3.9 million infants discharged from maternity wards from 2008-2013 was used to determine the frequency of bronchiolitis hospitalizations.
  • The study found that along with prematurity, chronic conditions like muscular dystrophy, congenital heart diseases, and other congenital abnormalities significantly increased the risk of hospitalization due to bronchiolitis.
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Background: In women seronegative before pregnancy, congenital cytomegalovirus (cCMV)-related sequelae are exclusively seen in those infected in the first trimester of pregnancy. Following a maternal primary infection in the first trimester, up to 30% of infected neonates suffer long-term sequelae. Maternal parity is an established risk factor of cCMV in previously seronegative women.

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Background: The known relationship between the gestational age at maternal primary infection an the outcome of congenital CMV is based on small, retrospective studies conducted between 1980 and 2011. They reported that 32% and 15% of cases had sequelae following a maternal primary infection in the first and second or the third trimester, respectively. We aimed to revisit this relationship prospectively between 2011 and 2017, using accurate virological tools.

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  • Benign neonatal sleep myoclonus is a common, non-epileptic condition in healthy full-term newborns, characterized by jerks during sleep with normal EEG readings typically observed.
  • A study analyzed EEG recordings of four neonates experiencing myoclonic jerks, focusing on their characteristics and any potential EEG changes, alongside testing responses to tactile stimuli on other newborns.
  • The findings revealed that myoclonic jerks produced identifiable slow wave patterns on EEG, particularly on vertex electrodes, which could be misinterpreted as seizure activity, potentially leading to inappropriate anti-seizure treatments.
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Background: Abnormal interhemispheric synchrony has been described in many clinical compromises in brain function, but its prognostic value in neonatal hypoxic-ischemic encephalopathy (HIE) is unknown.

Objectives: The study aimed at describing the frequency of abnormal interhemispheric synchrony in infants with HIE and to explore its prognostic value. The main outcome was survival without major disabilities.

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Background: Congenital heart defects (CHD) and preterm birth (PTB) are major causes of infant mortality. However, limited data exist on risk of mortality associated with PTB for newborns with CHD. Our objective was to assess impact of PTB on risk of infant mortality for newborns with CHD, while taking into account the role of associated anomalies and other potentially confounding factors.

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  • The study addressed gaps in understanding congenital cytomegalovirus (cCMV) by screening 11,715 newborns' saliva for infection, analyzing maternal infection type and sociodemographic factors.
  • Results showed a positive predictive value of 59% for CMV PCR, with variations in birth prevalence and risk factors linked to maternal age, previous births, and socioeconomic status.
  • The findings highlight the necessity for follow-up confirmation of positive CMV tests and emphasize that seronegative, parous women are at the highest risk for cCMV, suggesting the need for targeted prevention efforts.
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  • - Heelsticks are the most common invasive procedure in NICUs, but there's limited data on how often they're done and how pain is managed during the process.
  • - The study, EPIPPAIN 2, involved 562 newborns in 16 NICUs in Paris and found that on average, each baby underwent 16 heelsticks, with a significant portion performed without adequate preprocedural analgesia.
  • - Factors linked to the higher likelihood of avoiding preprocedural pain relief included being female, born at full term, having more severe health issues, and if parents were not present during the procedure.
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Background: Recently, congenital cytomegalovirus (cCMV) infection was reported irrespective of a negative amniotic fluid prenatal analysis for cytomegalovirus (CMV). The question of whether this phenomenon represents low sensitivity of the test or late development of fetal infection (after amniocentesis) was discussed, but not answered. However, if late transmission is the rule, then infants born with cCMV after negative amniocentesis would be expected to carry better prognosis than those who tested positive.

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Background: Congenital infection with human cytomegalovirus is a major cause of morbidity and mortality. A randomized controlled trial showed that high-dosage valacyclovir prevents cytomegalovirus disease in transplant recipients. Fetuses showing ultrasound features of infection are at high risk of being symptomatic at or before birth.

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Background: Congenital cytomegalovirus infection occurs in 0.7% of live births with 15-20% of infected children developing long-term disability including hearing loss and cognitive deficit. Fetal cytomegalovirus infection is established by viral DNA amplification by polymerase chain reaction in amniotic fluid obtained by amniocentesis following maternal seroconversion or after the diagnosis of ultrasound features suggestive of fetal infection.

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Background: Analgesics are one of the most prescribed drugs during the postpartum period to prevent and treat pain and inflammatory disease. The focus on analgesics during breastfeeding has increased because of lack of information and fatal codeine intoxication in a breastfed neonate. Ibuprofen has an advantageous benefit-risk ratio profile compared with codeine.

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Background: Congenital left coronary artery abnormalities such as ostial stenosis or atresia are extremely rare. Diagnosis in the neonate has not been reported.

Aims: To describe five neonates with left coronary artery orifice abnormalities and discuss pathophysiology, diagnosis and treatment options, with a focus on the importance of autopsy in unexpected neonatal death.

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Systematic screening for cytomegalovirus (CMV) maternal infection is not recommended in most countries. Nevertheless, primary CMV infection will occur in around 1% of women. The vertical transmission rate is estimated to be around 30-50%.

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  • The study aimed to evaluate the prevalence, timing of diagnosis, and infant mortality rates of congenital heart defects (CHD) using population data and a simplified classification system called ACC-CHD.
  • Conducted in Greater Paris from May 2005 to April 2008, the research included all identified cases of CHD in 317,538 births, confirming diagnoses through specialized centers.
  • Results showed a total of 2,867 cases of CHD, with significant variation in diagnosis timing and mortality rates across different types of CHD, indicating that the ACC-CHD classification could help predict outcomes based on severity.
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