Intrapartum deceleration and acceleration areas are associated with neonatal encephalopathy.
acceleration/deceleration ratio
area under the curve
cardiotocography
fetal evaluation
hypoxic ischemic encephalopathy
umbilical cord pH
Journal
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics
ISSN: 1879-3479
Titre abrégé: Int J Gynaecol Obstet
Pays: United States
ID NLM: 0210174
Informations de publication
Date de publication:
Jun 2023
Jun 2023
Historique:
revised:
08
11
2022
received:
12
04
2022
accepted:
09
12
2022
medline:
17
5
2023
pubmed:
27
12
2022
entrez:
26
12
2022
Statut:
ppublish
Résumé
To investigate whether an association exists between deceleration and acceleration areas on continuous fetal cardiotocography (CTG) and neonatal encephalopathy (NE). A single center, retrospective case-control study was conducted to compare CTG characteristics of low-risk pregnancies (35 weeks of gestation or more), complicated by moderate to severe NE with two matched controls for every case. Controls were matched by gestational age and cord blood pH. We analyzed the intrapartum CTG recordings by calculation of the deceleration and acceleration areas and the ratio between the two. During the period between 2013 and 2019, we identified 95 cases of low-risk pregnancies that were complicated by moderate to severe NE in our center. Thirty-three (34.7%) deliveries were excluded, mostly because of an insufficient duration of the CTG recordings. The remaining 62 cases were matched with 123 controls. We found that NE was significantly associated with an increased total deceleration area, a decreased total acceleration area, and a lower acceleration-to-deceleration ratio. NE was significantly associated with increased total deceleration area, decreased total acceleration area, and a lower acceleration-to-deceleration ratio, independent of cord blood pH. Development of a computerized real-time analysis of fetal heart rate tracings may contribute to making these measurements a more valid clinical tool.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1061-1068Informations de copyright
© 2023 International Federation of Gynecology and Obstetrics.
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