Author(s)

Amr Abdelmonam Mostafa Elkatatny^*, Mohamed H. Aly

Department of Neurosurgery, Faculty of Medicine, Cairo University, Giza, Egypt.

Aim of the work: This study aims to assess the value of the surgical management in the improvement of the symptoms & signs of patients with Chiari malformation type 1 and radiological follow up in adults. Patients and methods: This study included 30 consecutive patients with Chiari malformation type I who were indicated for surgery at neurosurgery department. Data were collected prospectively from the involved patients who were evaluated preoperatively and underwent evaluation by CT scanning of the brain & skull and MRI imaging of the brain and spine. CT and MRI were done as the routine follow up investigations for all patients. We operated through midline suboccipital craniectomy, durotomy in y shaped manner, shrinkage of cerebellar tonsils by bipolar electrocautery, duroplasty by fascia lata graft, watertight closure. Results: The assessment from E. J. N. S. (Egyptian Journal of Neurosurgery) vol. 24 no. 2 June 2009 used for evaluating the patients clinically. 18 patients reported good outcome, 6 fair, 6 poor. We evaluated the size of the syrinx if present preoperative in follow up. 15 (50%) patients showed marked reduction (more than or equal to 60%) in size of syrinx, 3 (10%) mild reduction (less than or equal to 30%) in size and 12 (40%) with no change. Conclusion: The Chiari type 1 malformation constitutes a controllable malformation with good outcomes. With current microsurgical techniques, the results of the bony decompression and duroplasty became excellent. Before undergoing surgical treatment for CM-I, symptomatic patients and their families should be given clear information about the success of treatment and potential complications.

Chiari Malformation Type 1, Hydrocephalus, Posterior Fossa Decompression, Duroplasty, Water Tight Closure, Fascia Lata

Mostafa Elkatatny, A. and Aly, M. (2020) Chiari Malformation Type 1 in Adults Managed by Surgical Decompression: New Prospective. Open Journal of Modern Neurosurgery, 10, 382-391. doi: 10.4236/ojmn.2020.103041.