Foramen Magnum Decompression and Duraplasty is Superior to Only Foramen Magnum Decompression in Chiari Malformation Type 1 Associated with Syringomyelia in Adults

Overview

Journal Asian Spine J

Date 2015 Oct 6

PMID 26435790

Citations 8

Authors

Mehmet Sabri Gurbuz

Mehmet Zafer Berkman

Emre Unal

Elif Akpinar

Sevki Gok

Metin Orakdogen

Salih Aydin

Affiliations

Soon will be listed here.

Abstract

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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