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Fetal hydrocephalus--prenatal treatment
Sergio Cavalheiro1, Antonio Fernandes Moron, Samuel Tau Zymberg
1Section of Pediatric Neurosurgery, Federal University of São Paulo, Rua Botucatu 591/42, 04023-062 São Paulo, Brazil. iscava@uol.com.br
Summary
Intrauterine treatment for fetal hydrocephalus (24-32 weeks gestation) shows positive outcomes. Non-infectious cases without chromosomal abnormalities benefit from fetal intraventricular decompression, leading to normal development in many infants.
Area of Science:
- Pediatric Neurosurgery
- Fetal Medicine
- Developmental Biology
Background:
- Hydrocephalus is a significant concern in fetal development.
- Early diagnosis and intervention are crucial for improving outcomes.
- Intrauterine treatment offers a potential solution for progressive fetal hydrocephalus.
Observation:
- A study evaluated 39 fetuses (24-32 weeks gestation) with hydrocephalus.
- Etiologies included aqueduct stenosis, intraventricular hemorrhage, Dandy-Walker malformation, and Chiari type II.
- Treatments involved cephalocentesis, ventriculo-amniotic shunts, and endoscopic third ventriculostomy.
Findings:
- 26 out of 39 patients had normal development (IQ > 70).
- 6 patients had mild/moderate handicaps (IQ 35-70).
- 7 patients had severe handicaps (IQ < 35).
- Postnatal ventriculoperitoneal shunting was performed in 38 patients.
Implications:
- Intrauterine decompression can benefit fetuses with progressive hydrocephalus (non-infectious, no chromosomal abnormalities).
- Development of new diagnostic and treatment methods is needed, especially where abortion is restricted.
- This approach supports families who do not opt for pregnancy termination due to social or religious reasons.