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Published on: August 11, 2015
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Chiari I malformation: surgical technique, indications and limits
Lorenzo Giammattei1, F Borsotti2, F Parker3
1Department of Neurosurgery, University Hospital of Lausanne, Lausanne, Switzerland. lorenzo.giammattei@chuv.ch.
Acta Neurochirurgica
|November 14, 2017
Summary
Chiari malformation type I (CM-I) surgery, involving posterior fossa decompression and duraplasty, is a safe and effective treatment. This procedure addresses cerebellar tonsil herniation and associated posterior fossa anomalies in patients with CM-I.
Area of Science:
- Neurosurgery
- Neurology
- Medical Devices
Background:
- Chiari malformation type I (CM-I) is a rare condition where cerebellar tonsils herniate below the foramen magnum.
- Associated anomalies of the posterior fossa often accompany CM-I.
Purpose of the Study:
- To describe the surgical technique for Chiari malformation type I.
- To outline the indications and limitations of surgical treatment for CM-I.
Main Methods:
- Posterior fossa decompression is a key surgical technique.
- Opening of the foramen of Magendie is performed during surgery.
- Duraplasty is utilized in the surgical management of CM-I.
Main Results:
- Posterior fossa decompression combined with duraplasty is a viable surgical option.
- The described surgical approach is effective for treating CM-I.
Conclusions:
- Posterior fossa decompression plus duraplasty offers a safe and effective treatment for Chiari malformation type I.
- This surgical approach is well-tolerated by patients diagnosed with CM-I.

