[Significance of trial vacuum extraction in the framework of obstetric surgery in vertex presentation]
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Trial vacuum extraction in infants, particularly with fetal distress, poses significant risks. Cesarean section is recommended as a safer alternative delivery method in these high-risk cases.
Area of Science:
- Obstetrics and Gynecology
- Neonatal Health
- Pediatric Neurology
Background:
- Trial vacuum extraction from the pelvic inlet is a debated obstetric procedure.
- Assessing the risks associated with trial vacuum extraction is crucial for maternal-fetal outcomes.
Purpose of the Study:
- To evaluate the early and late morbidity in infants following trial vacuum extraction from the pelvic inlet.
- To compare the outcomes of trial vacuum extraction with other delivery methods like vacuum/forceps extraction and cesarean section.
Main Methods:
- Retrospective clinical study of 76 infants.
- Analysis of 57 infants after successful trial vacuum extraction.
- Comparison with infants delivered via vacuum/forceps extraction or cesarean section.
Main Results:
- Infants born via trial vacuum extraction showed significantly lower Apgar scores and higher acidosis morbidity.
- A statistically significant increase in neurological deviations (motor and speech development) was observed.
- Outcomes were worse compared to vacuum/forceps extraction or cesarean section, especially in cases of fetal distress.
Conclusions:
- Trial vacuum extraction, particularly from the pelvic inlet with fetal distress, presents a high risk to infants.
- Neurological morbidities observed are comparable to those seen after breech presentation births.
- Cesarean section is indicated as the sole alternative for high-risk deliveries involving fetal distress at the pelvic inlet.
Abstract:
On the basis of a clinical study of 76 infants born by trial vacuum extraction from the pelvic inlet, 57 infants were examined retrospectively with regard to early and late morbidity after "successful" trial vacuum extraction. In 34 cases surgery was indicated because of fetal distress; in 23 children the operation was performed because of a standstill at the pelvic inlet. The results were compared with a group of infants delivered by vacuum and forceps extraction from the centre of the pelvis (or the pelvic floor) or cesarean section in consequence of fetal distress. The results indicate the high risk for children born by trial vacuum extraction, especially in cases of fetal distress. In addition to statistically significant lower Apgar scores and a statistically significant higher acidosis morbidity (p less than 0.05) as compared to other obstetric operations, there is also a statistically significant greater number of "striking" and "injured" children as opposed to those delivered by vacuum or forceps extraction from the centre of the pelvis (or the pelvic floor) or by cesarean section in consequence of fetal distress. These neurological deviations represent primarily the static-motoric and speech development, and are analogous to late morbidity after births from breech presentation. The findings confirm the clinical impression that trial vacuum extraction-especially in cases of fetal distress at the pelvic inlet-represent an additional risk to the child. In such cases cesarean section is the only alternative method of delivery.