Toward a new modality for detecting a uterine rupture: electrohysterogram propagation analysis during trial of labor after cesarean. (4th March 2017)

• Record Type: Journal Article
• Authors: de Lau, Hinke; Yang, Kai Tao; Rabotti, Chiara; Vlemminx, Marion; Bajlekov, Galin; Mischi, Massimo; Oei, Swan Gie
• Is Part Of: Journal of maternal-fetal & neonatal medicine. Volume 30:Number 5(2017)
• Page Start: 574
• Page End: 579
• Publication Date: 2017-03-04
• Subjects: Electrohysterogram -- labor and delivery -- trial of labor after cesarean -- uterine electromyography -- uterine rupture -- vaginal birth after cesarean; Obstetrics -- Periodicals; Perinatology -- Periodicals; Infants (Newborn) -- Diseases -- Periodicals; Neonatology -- Periodicals; 618.2
• DOI: 10.1080/14767058.2016.1178227
• Languages: English
• ISSNs: 1476-7058

Abstract

Abstract: Objective : Observational cohort study which aimed to explore the potential of electrohysterogram (EHG) analysis for detecting a uterine rupture during trial of labor after cesarean. The EHG propagation characteristics surrounding the uterine scar of six patients with a previous cesarean section were compared to a control group of five patients without a scarred uterus. Methods : The EHG was recorded during the first stage of labor using a high-resolution 64-channel electrode grid positioned on the maternal abdomen across the cesarean scar. Based on simulations, the inter-channel correlation and propagation direction were adopted as EHG parameters for evaluating possible disruption of electrical propagation by the uterine scar. Results : No significant differences in inter-channel correlation or propagation direction were observed between the group of patients with an intact uterine scar and the control group. A strong predominance of vertical propagation was observed in one case, in which scar rupture occurred. Conclusions : The results support unaffected propagation of electrical activity through the intact uterine scar tissue suggesting that changes in the EHG might only occur in case of rupture.