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KMID : 1189320150090050721
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Asian Spine Journal
2015 Volume.9 No. 5 p.721 ~ p.727
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Foramen Magnum Decompression and Duraplasty is Superior to Only Foramen Magnum Decompression in Chiari Malformation Type 1 Associated with Syringomyelia in Adults
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Gurbuz Mehmet Sabri
Berkman Mehmet Zafer
Unal Emre
Akpinar Elif
Gok Sevki
Orakdogen Metin
Aydin Salih
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Abstract
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Study Design: Retrospective cohort study.
Purpose: To compare surgical results of foramen magnum decompression with and without duraplasty in Chiari malformation type 1 (CM-1) associated syringomyelia (SM).
Overview of Literature: The optimal surgical treatment of CM-1 associated with SM is unclear.
Methods: Twenty-five cases of CM-1 with SM were included. There were 12 patients (48%) in the non-duraplasty group and 13 patients (52%) in the duraplasty group. The rate of improvement, state of postoperative SM size, amount of tonsillar herniation, preoperative symptom duration, complications and reoperation rates were analysed.
Results: The rate of clinical improvement was significantly higher with duraplasty (84.6%) than without (33.3%, p <0.05). The rate of postoperative syrinx regression was significantly higher in the duraplasty group (84.6%) than in the non-duraplasty group (33.3%, p <0.05). One case in the duraplasty group needed a reoperation compared with five cases in the non-duraplasty group (p =0.059).
Conclusions: Duraplasty is superior to non-duraplasty in CM-1 associated with SM despite a slightly higher complication rate.
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KEYWORD
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Chiari malformation type 1, Syringomyelia, Duraplasty, Non-duraplasty, Foramen magnum decompression
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