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Abstract
Objectives: To describe the antenatal fetal heart rate (FHR) parameters analyzed by computerizedcardiotocography (cCTG) in fetuses with gastroschisis and compare the FHR parameters with ultrasound gastrointestinal markers.
Methods: A retrospective analysis of antepartum cCTG records were conducted in 87 pregnant cases with fetal gastroschisis between 28and 36 weeks (plus 6 days). A comparative analysis of the median distribution of the following FHR parameters was performed: basal FHR, short-term variation (STV), FHR accelerations and decelerations, episodes of high and low variations, and variations in low and high episodes. FHR parameters and ultrasound gastrointestinal markers were also compared.
Results: The majority of FHR parameters did not present significant changes throughout gestation. An increased number of records with episodes of low variation (p = 0.019) and an increased number of accelerations >15 bpm (p = 0.001) were the only observed changes throughout gestation. Stomach herniation was significantly associated with a lower STV (p = 0.018) and a higher frequency of records with low episodes (p = 0.049).
Conclusions: The cCTG analysis indicated that the FHR parameters in fetuses with gastroschisis presented different patterns from those observed in normal fetuses. Stomach herniation was associated with altered FHR patterns.
Declaration of interest
The authors report no conflicts of interest. The authors alone are responsible for the content and writing of this article.