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Abstract
Objective: Each pregravidic, gestational or intrapartum complication may, per se, have a different impact on the operative delivery rate, regardless of which fetal monitoring system was adopted. We wanted to verify if CTG plus ST interval analysis (STAN) of fetal ECG might be able to reduce the number of operative delivery for fetal distress in high-risk pregnancies compared to low-risk women monitored with CTG alone.
Materials and methods: In this cohort study, we evaluated 100 high-risk pregnancies consecutively with STAN® S31 (Neoventa Medical, Gotenburg, Sweden) and 160 low-risk pregnancies consecutively with continuous CTG (Hewlett Packard, 50 IP, Palo Alto, CA).
Results: We found that STAN monitoring, although associated with a higher total operativity rate, both vaginal (11% versus 3.12%, p = 0.015) and cesarean (17% versus 4.37%, p = 0.001), reduced the cesarean section rate performed for fetal distress (29.41% versus 85.71%, p = 0.023) compared with low-risk CTG monitoring group.
Conclusion: CTG plus ST interval analysis of fetal ECG reduced the risk of operative cesarean delivery for fetal distress in high-risk gestations.
Declaration of interest
The authors report no conflicts of interest. The authors alone are responsible for the content and writing of this article.