Abstract:Background. Epidural fibrosis (EF) is one of the reasons of the failed back surgery syndrome manifesting in back pain and pain in extremities as well as other signs of the compression or irritation of the nerve structures. The numerous approaches to prevent EF have been elaborated. Nowadays, many years of experience in the usage of different barrier materials in microdiscectomy such as polyacrylamide hydrogel (PAH) have been accumulated. Nevertheless, the results of such treatment are rather controversial. The… Show more
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