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The evaluation of surgical treatment options in the Chiari Malformation Type I.
MedLine Citation:
PMID:  20669102     Owner:  NLM     Status:  In-Process    
AIM: There have been several treatment modalities to reduce the volume of the syringomyelic cavity and the pressure on the brainstem in Chiari Malformation Type I (CM-I). Foramen magnum decompression with and without duroplasty were compared in this retrospective study. MATERIAL AND METHODS: From 2003 to 2006, 27 patients suffering from CMI were operated on at our institute. The following were measured: the ratio of the syringomyelic cavity to the spinal cord; pre-operative tonsillar herniation from the foramen magnum; pre- and postoperative tonsillo-dural distance; and spinoposterior fossa dural angle. RESULTS: 83.3 % of the patients in the non-duroplasty and 73.3% of the patients in the duroplasty group were symptom free. The ratio of syrinx regression was 28+/-10% in the non-duroplasty and 36+/-33% in the duroplasty group. The tonsillodural distance was 3.1+/-1.8 mm in the non-duroplasty and 4.6+/-2.1 mm in the duroplasty group (p>0.05). The spino-posterior fossa dural angle was 133.6+/-9.44 degrees preoperatively and 136.7+/-9.78 degrees postoperatively in the non-duroplasty (p=0.376); 123.7+/-11.7 degrees preoperatively and 129.8+/-11.1 degrees postoperatively in the duroplasty group (p=0.885); no significant difference was found postoperatively (p=0.55, z=1.92), respectively. One patient was re-operated in the non-duroplasty group and thereafter duroplasty was performed. CONCLUSION: Almost the same clinical outcomes can be achieved with and without duroplasty. There might be an option to perform duroplasty if simple procedure fails.
Ersin Erdogan; Tufan Cansever; Halil Ibrahim Secer; Caglar Temiz; Sait Sirin; Serdar Kabatas; Engin Gonul
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Turkish neurosurgery     Volume:  20     ISSN:  1019-5149     ISO Abbreviation:  Turk Neurosurg     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-07-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9423821     Medline TA:  Turk Neurosurg     Country:  Turkey    
Other Details:
Languages:  eng     Pagination:  303-13     Citation Subset:  IM    
GATA, Department of Neurosurgery, Ankara, Turkey.
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