Feasibility of extended ultrasound examination of the fetal brain between 24 and 37 weeks' gestation in low-risk pregnancies.

Autor: Viñals F; Sanatorio Aleman Clinic and Department of Obstetrics and Gynaecology, Faculty of Medicine, University of Concepcion, Concepcion, Chile., Correa F; Fetal and Neonatal Ultrasonography Department, Hospital Lusíadas, Lisbon, Portugal., Escribano D; Fetal Medicine Unit-Maternal and Child Health and Development Network, Department of Obstetrics and Gynaecology, University Hospital 12 de Octubre, 12 de Octubre Research Institute (imas12), Faculty of Medicine, Complutense University of Madrid, Madrid, Spain., Hormazábal L; Sanatorio Aleman Clinic and Department of Obstetrics and Gynaecology, Faculty of Medicine, University of Concepcion, Concepcion, Chile., Diaz L; Sanatorio Aleman Clinic and Department of Obstetrics and Gynaecology, Faculty of Medicine, University of Concepcion, Concepcion, Chile., Galindo A; Fetal Medicine Unit-Maternal and Child Health and Development Network, Department of Obstetrics and Gynaecology, University Hospital 12 de Octubre, 12 de Octubre Research Institute (imas12), Faculty of Medicine, Complutense University of Madrid, Madrid, Spain., Zambrano B; Sanatorio Aleman Clinic and Department of Obstetrics and Gynaecology, Faculty of Medicine, University of Concepcion, Concepcion, Chile., Quiroz G; Sanatorio Aleman Clinic and Department of Obstetrics and Gynaecology, Faculty of Medicine, University of Concepcion, Concepcion, Chile., Saint-Jean C; Sanatorio Aleman Clinic and Department of Obstetrics and Gynaecology, Faculty of Medicine, University of Concepcion, Concepcion, Chile.
Jazyk: angličtina
Zdroj: Journal of perinatal medicine [J Perinat Med] 2023 Apr 18; Vol. 51 (6), pp. 815-822. Date of Electronic Publication: 2023 Apr 18 (Print Publication: 2023).
DOI: 10.1515/jpm-2022-0605
Abstrakt: Objectives: To assess the feasibility of identifying fetal brain structures and anatomic landmarks included in the anterior complex (AC) and posterior complex (PC), as well as the proximal hemisphere (PH).
Methods: This was a prospective observational multicenter study of healthy pregnant women evaluated by ultrasound screening at 24 to 36 + 6 weeks' gestation. Six physicians performed transabdominal ultrasound, to obtain the planes required to visualize the AC, PC, and PH. Blind analysis by an expert and non-expert operator in fetal neurosonography was used to assess the structures included in each plane view.
Results: In the population studied (n=366), structure detection rates for AC were over 95 %, with an agreement of 96 % when comparing expert and non-expert examiners. Visualization of the corpus callosum crossing the midline was detected in over 97 and 96 % of cases for the AC and PC, respectively, with an agreement of over 96 %. The PH plane, particularly through the posterior access via the mastoid fontanelle, enabled visualization of the proximal anatomical structures in almost 95 % of cases. Detection of the corpus callosum through the AC and PC, both proximal/distal germinal matrix (AC) and proximal Sylvian fissure through the anterior access (PH) in the 24-25 + 6, 26-31 + 6 and 32-36 + 6 weeks' gestation groups were successful in over 96 % of cases with high level of agreement.
Conclusions: Inclusion of AC, PC, and PH later in pregnancy proves feasible with a high level of agreement between both expert and non-expert operators.
(© 2023 the author(s), published by De Gruyter, Berlin/Boston.)
Databáze: MEDLINE