Mónica Marçal

ORCID: 0000-0003-3886-3330
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About
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Research Areas
  • Cytomegalovirus and herpesvirus research
  • Neonatal Health and Biochemistry
  • Neonatal and Maternal Infections
  • Antibiotic Resistance in Bacteria
  • COVID-19 Impact on Reproduction
  • Parvovirus B19 Infection Studies
  • Syphilis Diagnosis and Treatment
  • Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
  • Cardiovascular Issues in Pregnancy
  • Respiratory Support and Mechanisms
  • Congenital Anomalies and Fetal Surgery
  • Virology and Viral Diseases
  • Tumors and Oncological Cases
  • Neonatal Respiratory Health Research
  • Neonatal skin health care
  • Metabolism and Genetic Disorders
  • Herpesvirus Infections and Treatments
  • Education Pedagogy and Practices
  • Electrolyte and hormonal disorders
  • Heme Oxygenase-1 and Carbon Monoxide
  • Cerebrovascular and genetic disorders
  • Fatty Acid Research and Health
  • Teratomas and Epidermoid Cysts
  • Obstructive Sleep Apnea Research
  • Reproductive tract infections research

Hospital of St. Francis Xavier
2017-2025

Centro Hospitalar de Lisboa Ocidental
2011-2024

Hospital de São Bernardo
2024

Universidade Nova de Lisboa
2023

Coronavirus disease, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is mainly transmitted through droplets, but other ways of transmission have been hypothesized. We report a case vertical SARS-CoV-2 in preterm born to an infected mother, confirmed the presence virus neonatal blood, nasopharyngeal and oropharyngeal swabs collected first half hour life. The neonate presented with distress, similar findings severely affected adults. This highlights importance...

10.1097/inf.0000000000002941 article EN The Pediatric Infectious Disease Journal 2020-10-13

The objective of this study was to determine the prevalence Torque Teno virus (TTV) infection in Portuguese children younger than 3 years old and compare its detection blood versus saliva. Samples, 242 saliva 20 plasma, were collected from neonates children. A real-time polymerase chain reaction applied detect TTV load. Eighteen paired samples plasma concordant for viral DNA, a correlation between both statistically significant. 75.5% 3.6% neonates, but it not possible origin positive cases...

10.1177/00099228251339047 article EN Clinical Pediatrics 2025-05-09

Cytomegalovirus (CMV) is the most frequent cause of congenital infection all over world. Its prevalence ranges from 0.2 to 2.2%. Transmission children their pregnant mothers a well-known risk factor, particularly if they attend childcare centre. This study aims compare CMV (CMV_CI) in Portugal (Lisbon) between two studies, performed respectively 2019 and 2020. In study, hospitals, we found 0.67% CMV_CI prevalence, using pool strategy previously tested with saliva samples. 2020 same approach...

10.1007/s00431-021-04271-0 article EN other-oa European Journal of Pediatrics 2021-09-30

A preterm newborn presented at birth with generalised oedema, disseminated bullous and desquamative exanthema palmoplantar involvement hepatomegaly, admitted to the neonatal intensive care unit severe multisystemic disease, haemodynamic instability respiratory distress. The mother had a history of treated latent syphilis before pregnancy. Venereal Disease Research Laboratory screening was negative in first trimester, titre 1:2 second trimester 1:32 third result only available medical team...

10.1136/bcr-2023-257694 article EN BMJ Case Reports 2024-01-01

Infections due to carbapenemase-producing Enterobacterales (CPE) are increasing worldwide and especially concerning in a neonatal intensive care unit (NICU). Risk factors for CPE gut colonization neonates need be clarified. In this work, we describe the epidemiological clinical features of CPE-colonized newborns infection control measures Portuguese NICU. We performed prospective, observational, longitudinal, cohort study surveillance colonization. Maternal colonized strategy were described....

10.3390/idr13020039 article EN cc-by Infectious Disease Reports 2021-05-01

Pituitary gland duplication is a particularly rare finding. Different theories have been proposed to explain its pathogenesis, however, this phenomenon not yet totally understood. Recently, of the pituitary (DPG)-plus syndrome has described, associating DPG with other blastogenic defects. We present clinical and imaging findings newborn girl DPG, associated multiple midline anomalies, including nasopharyngeal teratoma, palate cleft deformity, bifid nasal bridge, tongue uvula, hypoplasia...

10.1136/bcr-2015-212416 article EN BMJ Case Reports 2015-11-12

Key Clinical Message Venlofaxine, a widely used antidepressant, is known to cause withdrawal syndrome. We present case of neonatal transient ventricular dysfunction in neonate exposed venlafaxine utero. Other causes were excluded. Neonatal can be possible side effect maternal use this drug.

10.1002/ccr3.412 article EN cc-by-nc-nd Clinical Case Reports 2016-03-03

A 34-week-old gestational baby boy, weighing 2104 g, was born with multiple organ dysfunction and a skin rash. During pregnancy, the mother had reactive venereal disease research laboratory (VDRL) test (1:16) that didn't receive any treatment. After birth, target erythaematous maculopapular rash on child's hands soles (figures 1A, B 2) evident. He also hepatosplenomegaly, pneumonitis, anaemia (haemoglobin 11.3 g/dL), thrombocytopaenia (29 000/µL), C protein 28 mg/dL …

10.1136/bcr-2016-216148 article EN BMJ Case Reports 2016-06-06

Abstract Human breast milk is the first food source available to newborns and responsible for healthy growth development during months of life. contains vitamins, hormones, cytokines, microbiota, immune cells that are such conditions. Nonetheless, knowledge vast array molecules present in human their potential health effects still lacking. The mothers’ diets on also generally unknown. benefits (poly)phenols have been largely increasing but presence has put aside. impact mother’s diet...

10.1101/2023.03.27.23287781 preprint EN medRxiv (Cold Spring Harbor Laboratory) 2023-03-28

N/a.

10.20344/amp.13825 article EN cc-by-nc-nd Acta Médica Portuguesa 2020-05-12

Background: Cytomegalovirus is the most common cause of congenital infections worldwide. Screening all newborns in first 2 weeks life only way to detect cases infection, allowing monitoring children with asymptomatic infection at birth and early intervention. Aim: In this multicenter study, we aimed evaluate feasibility using a saliva pool strategy for mass screening 7 Portuguese hospitals, estimate current prevalence these hospitals. Methods: A total 7033 were screened between June 2020...

10.1097/inf.0000000000004096 article EN cc-by-nc-nd The Pediatric Infectious Disease Journal 2023-09-12

Introducao: A dieta cetogenica consiste num regime alimentar normoproteico, rico em lipidos e pobre hidratos de carbono, que mimetiza a resposta do organismo ao jejum prolongado. Tem sido utilizada no tratamento criancas com epilepsia refractaria.Metodologia: Analise retrospectiva 27 refractaria, acompanhadas Consulta Neurologia Pediatrica um Hospital nivel III submetidas cetogenica. Caracterizacao da amostra diz respeito distribuicao etaria por sexo, idade instituicao dieta, tipo...

10.25754/pjp.2009.4480 article PT Portuguese Journal of Pediatrics 2009-01-01

We present the case of a preterm newborn, whose mother had medical history systemic lupus erythematosus and antiphospholipid syndrome treated in pregnancy with enoxaparin, prednisolone, azathioprine hidroxicloroquine. Routine ultrasonography at 28 weeks gestation revealed cerebral artery blood flow changes ventricular dilatation fetus. Elective caesarean section was performed 4 days gestational age. In neonatal intensive care unit, newborn developed central catheter complications four...

10.1136/bcr-2017-223676 article EN BMJ Case Reports 2018-02-07
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