Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6672
Title: Evaluation of topical Dexmedetomidine administration in postlaminectomy epidural fibrosis rat model
Authors: Yaman, M. E.
Ergül, G.
Güvenç, Y.
Öztürk, Y.
Erbay, F. K.
Tolunay, T.
Bozkurt, G.
Keywords: Epidural fibrosis
Laminectomy
Dexmedetomidine
Issue Date: 2018
Publisher: Elsevier Science Bv
Abstract: Epidural fibrosis is a challenging topic in spinal surgery. Numerous clinical and experimental studies have been focused on this issue to clarify problems faced in spinal procedures for the patient as well as the surgeon and find out new methodologies. Dense cytokines and growth factors which are released from inflammatory cells have been suggested to play a major role in the inception and progression of fibrosis. One of the most investigated and important actor in epidural fibrosis is assumed to be the transforming growth factor-1 beta (TGF-1 beta) formation. Studies showed that Dexmedetomidine (DEX) downregulates TGF-beta pathway with its anti-inflammatory and antioxidant effects. From this point of view, for the first time in the literature we try to observe if there will be an effect of topical DEX administration over epidural fibrosis in a rat model. We hypothesized that DEX might have preventive effects on epidural fibrosis via anti-inflammatory and antioxidant effects. Twenty-four adult male Wistar albino rats were randomly assigned to three groups (Topical DEX, Spongostan, Laminectomy). A total laminectomy was performed at the L3-L5 level and then the ligamentum flavum and epidural fat tissue were cleared away from the surgical site. Histopathological assessment was performed postoperatively after 4 weeks. Our study revealed that topical DEX administration may have effects on reducing epidural fibrosis. Topical DEX administration may be helpful in preventing epidural fibrosis after laminectomy in rats through multiple anti-inflammatory and antioxidant mechanisms as well as through TGF -1 beta pathway.
URI: https://doi.org/10.1016/j.ijsu.2018.03.032
https://hdl.handle.net/20.500.11851/6672
ISSN: 1743-9191
1743-9159
Appears in Collections:Biyomedikal Mühendisliği Bölümü / Department of Biomedical Engineering
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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