R.J. Martinez‐Portilla

ORCID: 0000-0003-4711-3857
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About
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Research Areas
  • Pregnancy and preeclampsia studies
  • COVID-19 Impact on Reproduction
  • Prenatal Screening and Diagnostics
  • Gestational Diabetes Research and Management
  • Birth, Development, and Health
  • COVID-19 and healthcare impacts
  • Fetal and Pediatric Neurological Disorders
  • Maternal Mental Health During Pregnancy and Postpartum
  • Assisted Reproductive Technology and Twin Pregnancy
  • Maternal and fetal healthcare
  • Neonatal Respiratory Health Research
  • Preterm Birth and Chorioamnionitis
  • Congenital Diaphragmatic Hernia Studies
  • Reproductive System and Pregnancy
  • Cardiovascular Issues in Pregnancy
  • COVID-19 and Mental Health
  • COVID-19 Clinical Research Studies
  • Congenital Anomalies and Fetal Surgery
  • Pregnancy and Medication Impact
  • Cytomegalovirus and herpesvirus research
  • Parvovirus B19 Infection Studies
  • Bariatric Surgery and Outcomes
  • Vitamin D Research Studies
  • Ectopic Pregnancy Diagnosis and Management
  • Ultrasound in Clinical Applications

Ibero American University
2018-2025

Instituto Nacional de Perinatología
2020-2025

Universitat de Barcelona
2017-2024

Hospital Sant Joan de Déu Barcelona
2017-2024

Ibero-American University Puebla
2020-2024

Departament de Salut
2023

Hospital Clínic de Barcelona
2019-2023

Centre for Biomedical Network Research on Rare Diseases
2018-2023

Consorci Institut D'Investigacions Biomediques August Pi I Sunyer
2018-2023

Anna Needs Neuroblastoma Answers
2023

ABSTRACT Objective There are limited, unmatched data reporting low complication rates in pregnant women with coronavirus disease 2019 (COVID‐19). The aim of this study was to compare COVID‐19‐related outcomes between and non‐pregnant after adjusting for potential risk factors severe outcomes. Methods Data were obtained from the COVID‐19 National Registry Mexico, which is an ongoing prospective cohort people any age clinically suspected acute respiratory syndrome 2 (SARS‐CoV‐2) infection...

10.1002/uog.23575 article EN Ultrasound in Obstetrics and Gynecology 2020-12-20

Evidence from studies in the general population suggests an association between vitamin D insufficiency/deficiency and COVID-19 susceptibility disease severity. The present study was performed on 165 third-trimester pregnant women at time of delivery. Seventy-nine tested negative for SARS-CoV-2. From 86 testing positive, 32 were asymptomatic, 44 presented a mild form disease, 10 experienced severe symptoms. Serum 25-OH levels measured blood samples collected admission. Low detected...

10.3390/ijms232315188 article EN International Journal of Molecular Sciences 2022-12-02

In healthy pregnancies, components of the Renin-Angiotensin system (RAS) are present in placental villi and contribute to invasion, migration, angiogenesis. At same time, soluble fms-like tyrosine kinase 1 (sFlt-1) production is induced after binding ANG-II its receptor (AT-1R) response hypoxia. As RAS plays an essential role pathogenesis COVID-19, we hypothesized that angiogenic marker (ANG-II ACE-2) may be related adverse outcomes pregnant women with COVID-19; Methods: Prospective cohort...

10.3390/v13101906 article EN cc-by Viruses 2021-09-23

COVID-19 outbreak has been associated with a wide variety of psychiatric manifestations such as panic, anxiety, and depression. We aim to assess the impact COVID - 19 pandemic on levels stress depression pregnant women in Mexico.A cross-sectional web survey was carried out 10 states Mexican Republic during among public private hospitals. The perception assessed using Perceived Stress Scale, while depressive symptoms were evaluated Edinburgh Postnatal Depression Scale.A total 549 surveys...

10.1080/14767058.2020.1851675 article EN The Journal of Maternal-Fetal & Neonatal Medicine 2020-11-26

Mortality in pregnancy due to coronavirus disease 2019 (COVID-19) is a current health priority developing countries. Identification of clinical and sociodemographic risk factors related mortality pregnant women with COVID-19 could guide public policy encourage such accept vaccination. We aimed evaluate the association comorbidities socioeconomic determinants COVID-19-related severe Mexico.This an ongoing nationwide prospective cohort study that includes all positive reverse-transcription...

10.1002/uog.24797 article EN public-domain Ultrasound in Obstetrics and Gynecology 2021-10-21

Bone-derived proteins, including carboxylated osteocalcin (cOC), are thought to play a role in cardiovascular and metabolic health. cOC is recognized for its strong affinity calcium hydroxyapatite possible involvement vascular calcification lipid metabolism. Although the undercarboxylated form of (ucOC) has been widely researched, connections between risk markers, such as mean arterial pressure (MAP), pulse (PP), atherogenic index, still not well understood. This cross-sectional study...

10.3390/ijms26041733 article EN International Journal of Molecular Sciences 2025-02-18
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