Michael A. Belfort
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View article: Blood Pressure Optimization During Fetoscopic Repair of Open Spinal Dysraphism: Insights from Advanced Hemodynamic Monitoring
Blood Pressure Optimization During Fetoscopic Repair of Open Spinal Dysraphism: Insights from Advanced Hemodynamic Monitoring Open
Background/Objectives: Fetoscopic repair of open spinal dysraphism (OSD) is a rare intrauterine procedure performed in specialized fetal surgery centers. Conducted under restrictive fluid management and continuous tocolysis, it poses subst…
View article: Prediction of Neonatal Intensive Care Unit Mortality in Fetuses and Neonates with Vein of Galen Malformation
Prediction of Neonatal Intensive Care Unit Mortality in Fetuses and Neonates with Vein of Galen Malformation Open
Previously reported imaging findings did not predict NICU mortality from VOGM in this cohort after adjusting for age at MRI and delivery. However, a VBR >4.18% strongly predicted NICU mortality in our cohort, suggesting that this novel par…
View article: Unmet Needs in Fetal Interventions for Congenital Heart Disease: A Systematic Review and Biodesign-Based Assessment
Unmet Needs in Fetal Interventions for Congenital Heart Disease: A Systematic Review and Biodesign-Based Assessment Open
There is a significant lack of medical devices designed for fetal cardiac interventions, forcing clinicians to use existing devices off-label, which carries considerable risk. To foster innovation, we aimed to identify needs that could dri…
View article: Maternal–fetal surgery for myelomeningocele longitudinal follow-up model: Mitigation of care fragmentation through care coordination and outcomes reporting
Maternal–fetal surgery for myelomeningocele longitudinal follow-up model: Mitigation of care fragmentation through care coordination and outcomes reporting Open
Purpose Following the Global Health Symposium at the Spina Bifida World Congress in 2023, the purpose of this work is to provide a historical overview and a state-of-the-art update on the current global practice of myelomeningocele (MMC) c…
View article: Awake Craniotomy for Eloquent Brain Arteriovenous Malformations: A Systematic Review and Individual Patient Data Meta-Analysis
Awake Craniotomy for Eloquent Brain Arteriovenous Malformations: A Systematic Review and Individual Patient Data Meta-Analysis Open
AC for eloquent AVMs showed promising results. A significant rate of postoperative neurological deficits was found, which was reduced at follow-up. A small mean length of hospitalization was also found. These results suggest that AC for AV…
View article: 539 Clinical characteristics and outcomes of intrauterine blood transfusion (IUT) for infectious etiologies
539 Clinical characteristics and outcomes of intrauterine blood transfusion (IUT) for infectious etiologies Open
View article: 806 Validation of the fetal lamb model of complex gastroschisis
806 Validation of the fetal lamb model of complex gastroschisis Open
View article: 538 Cardiac structural and functional assessment of monochorionic twin pregnancies complicated by selective fetal growth restriction
538 Cardiac structural and functional assessment of monochorionic twin pregnancies complicated by selective fetal growth restriction Open
View article: 960 Sonographic predictors of mirror syndrome in cases of hydrops fetalis
960 Sonographic predictors of mirror syndrome in cases of hydrops fetalis Open
View article: 817 Trans-placental transport of a novel fluorescent lipid nanoparticle in a pre-clinical fetal therapy murine model
817 Trans-placental transport of a novel fluorescent lipid nanoparticle in a pre-clinical fetal therapy murine model Open
View article: 258 Implementation and outcomes of a stratified patient post-operative relocation protocol after fetoscopic spina bifida repair
258 Implementation and outcomes of a stratified patient post-operative relocation protocol after fetoscopic spina bifida repair Open
View article: 132 Time to intervention or delivery in monochorionic diamniotic twins with abnormal screening ultrasound findings
132 Time to intervention or delivery in monochorionic diamniotic twins with abnormal screening ultrasound findings Open
View article: Prenatal diagnosis and postnatal outcome of closed spinal dysraphism
Prenatal diagnosis and postnatal outcome of closed spinal dysraphism Open
Objective To evaluate the prenatal diagnosis of closed dysraphism (CD) and its correlation with postnatal findings and neonatal adverse outcomes. Methods A retrospective cohort study including pregnancies diagsnosed with fetal CD by prenat…
View article: AJOG MFM Table of Contents
AJOG MFM Table of Contents Open
View article: OC07.07: Prediction for emergent balloon removal after fetoscopic endoluminal tracheal occlusion for congenital diaphragmatic hernia*
OC07.07: Prediction for emergent balloon removal after fetoscopic endoluminal tracheal occlusion for congenital diaphragmatic hernia* Open
Oral communication abstracts 33.3-39.9)weeks and a median surgical time of 24.5 (12-35) min.In 4 cases, airway patency was confirmed during laryngoscopy and babies were immediately delivered.In 8/12 cases (66.7%), airway obstruction was co…
View article: PB1517 Effect of Uteroplacental Manipulation on Hemostatic Markers during Cesarean Delivery and Hysterectomy for Placenta Accreta Spectrum
PB1517 Effect of Uteroplacental Manipulation on Hemostatic Markers during Cesarean Delivery and Hysterectomy for Placenta Accreta Spectrum Open
View article: EP11.05: Risk of genetic abnormality in fetuses with unilateral versus bilateral pleural effusions
EP11.05: Risk of genetic abnormality in fetuses with unilateral versus bilateral pleural effusions Open
Methods: A retrospective review of patients with confirmed Trisomies 13 (13) and 18 (22) (gestational age 13-41 GW, mean 26.1 GW) referred for fetal MRI was conducted.In utero (26) and postmortem (15) MRI scans were phenotypically assessed…
View article: EP09.03: Ultrasound prediction of fetal sacrococcygeal teratoma perinatal mortality
EP09.03: Ultrasound prediction of fetal sacrococcygeal teratoma perinatal mortality Open
gestation, the patient delivered a 2,785 gr male neonate by Caesarean section with an Apgar score of 8-9 at the first and fifth minutes and a cephalic perimeter of 35 cm.Perinatal follow-up was given, and the baby smiled and had visual fol…
View article: OC07.02: Tensile properties of sutures after exposure to warmed amniotic fluid: implications for fetal surgery*
OC07.02: Tensile properties of sutures after exposure to warmed amniotic fluid: implications for fetal surgery* Open
Objectives: Assess the performance of different Endometrial Thicknesses (ET) to detect Endometrial Cancer and Hyperplasia (ECH) in postmenopausal bleeding (PMB).Methods: Prospective study of 1635 women 50 years and older who underwent endo…
View article: EP11.09: Rates of genetic diagnosis in fetal pleural effusions diagnosed before and after 24 weeks of gestation
EP11.09: Rates of genetic diagnosis in fetal pleural effusions diagnosed before and after 24 weeks of gestation Open
IUFD and warrants genetic testing without delay.
View article: EP10.05: Timing of fetal imaging to help predict neonatal outcomes in fetal omphalocele
EP10.05: Timing of fetal imaging to help predict neonatal outcomes in fetal omphalocele Open
Prenatal lung volumes assessed on magnetic resonance imaging (MRI) have been utilised to help predict neonatal outcomes in fetal omphalocele. An observed to expected ratio (O/E) of < 50% has been associated with poor outcomes, however data…
View article: EP09.10: Perinatal outcomes of fetoscopic selective laser photocoagulation for twin anemia polycythemia syndrome
EP09.10: Perinatal outcomes of fetoscopic selective laser photocoagulation for twin anemia polycythemia syndrome Open
Objectives: To describe a case of laparotomy-assisted fetoscopic prenatal repair of a large myelomeningocele with a three-layer closure technique of the defect, which includes an autologous implant free of fetal skin.Methods: The procedure…
View article: OP10.06: Impact of surgical route on pedatric bowel function for open neural tube defects
OP10.06: Impact of surgical route on pedatric bowel function for open neural tube defects Open
Conclusions: There has been a steady improvement in detection of fetal defects in the first trimester over the last two decades.Subsequent to regular audits, introduction of newer markers has shown to significantly improve detection of spe…
View article: Calcitonin gene-related peptide protects from soluble fms-like tyrosine kinase-1-induced vascular dysfunction in a preeclampsia mouse model
Calcitonin gene-related peptide protects from soluble fms-like tyrosine kinase-1-induced vascular dysfunction in a preeclampsia mouse model Open
Introduction: Preeclampsia (PE) is a hypertensive disorder during pregnancy associated with elevated levels of soluble FMS-like tyrosine kinase (sFLT-1) and increased vascular sensitivity to angiotensin II (ATII). Calcitonin gene-related p…
View article: Implementation and Assessment of a Laparotomy-Assisted Three-Port Fetoscopic Spina Bifida Repair Program
Implementation and Assessment of a Laparotomy-Assisted Three-Port Fetoscopic Spina Bifida Repair Program Open
Open spina bifida (OSB) is a congenital, non-lethal malformation with multifactorial etiology. Fetal therapy can be offered under certain conditions to parents after accurate prenatal diagnostic and interdisciplinary counseling. Since the …
View article: Fetal malrotation with midgut volvulus: Prenatal diagnosis and planning
Fetal malrotation with midgut volvulus: Prenatal diagnosis and planning Open
Successful management of fetal malrotation with midgut volvulus may be accomplished by early access to a multi-disciplinary team of professionals, prompt postnatal confirmation of diagnosis, and urgent correction to minimize the risk of co…
View article: Table of Contents
Table of Contents Open
View article: Implication of chromosomal microarray analysis prior to <i>in‐utero</i> repair of fetal open neural tube defect
Implication of chromosomal microarray analysis prior to <i>in‐utero</i> repair of fetal open neural tube defect Open
Objective In‐utero repair of open neural tube defects (ONTD) is an accepted treatment option with demonstrated superior outcome for eligible patients. While current guidelines recommend genetic testing by chromosomal microarray analysis (C…
View article: Neuroimaging Findings and Outcome in Pediatric Cephalocele with Chiari II-Like Stigmata
Neuroimaging Findings and Outcome in Pediatric Cephalocele with Chiari II-Like Stigmata Open
Background and Objective: There is a known association between Chiari malformation and occipital encephalocele. We aim to identify the frequency of Chiari II-like neuroimaging findings and radiologic and clinical outcomes after surgical re…
View article: AJOG GR Table of Contents
AJOG GR Table of Contents Open