Fetal surgery for neural tube defects
1Department of Neurosurgery, Children's Hospital of Philadelphia, 6th Floor Wood Bldg, 34th St. and Civic Center Blvd., Philadelphia, PA 19104, USA. sutton@email.chop.edu
Best Practice & Research. Clinical Obstetrics & Gynaecology
|August 24, 2007
Summary
Fetal surgery for open spina bifida may improve outcomes like hindbrain herniation and leg function. However, its true benefit requires further investigation through ongoing clinical trials.
Area of Science:
- Neuroscience
- Developmental Biology
- Surgical Innovation
Background:
- Open spina bifida is a significant cause of disability, often diagnosed prenatally.
- Neurological deficits may arise from secondary damage during mid-gestation.
- Fetal surgery presents a potential intervention for myelomeningocele.
Purpose of the Study:
- To evaluate the efficacy and benefits of fetal surgery for open spina bifida (myelomeningocele).
- To assess the impact of prenatal surgical intervention on neurological abnormalities and functional outcomes.
Main Methods:
- Review of preliminary human studies and animal research.
- Analysis of outcomes from approximately 400 worldwide fetal operations for myelomeningocele.
- Ongoing randomized prospective trial (MOMS trial) for definitive evidence.
Main Results:
- Preliminary data suggest potential reversal of Chiari II malformation (hindbrain herniation).
- Possible reduction in shunt-dependent hydrocephalus and improvement in leg function observed.
- Findings may be influenced by selection bias and evolving management strategies.
Conclusions:
- Fetal surgery for myelomeningocele shows promising preliminary results but lacks definitive proof of benefit.
- A large-scale randomized trial is crucial to establish the efficacy of this surgical approach.
- Further research is needed to confirm the long-term impact on disability and neurological function.
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