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dc.contributor.authorVediappan, R.S.-
dc.contributor.authorMascarenhas, A.-
dc.contributor.authorNguyen-Hoang, A.-
dc.contributor.authorFong, S.A.-
dc.contributor.authorJukes, A.-
dc.contributor.authorRichter, K.-
dc.contributor.authorBassiouni, A.-
dc.contributor.authorPatel, S.-
dc.contributor.authorChryssidis, S.-
dc.contributor.authorOtto, S.-
dc.contributor.authorMoratti, S.-
dc.contributor.authorPsaltis, A.J.-
dc.contributor.authorVreugde, S.-
dc.contributor.authorWormald, P.-
dc.identifier.citationJournal of Clinical Neuroscience, 2020; 72:378-385-
dc.description.abstractIntroduction: Spinal laminectomy is a common procedure performed to relieve neural compression in patients suffering from myelopathy or radiculopathy. However, up to 40% of patients suffer from persistent post-operative pain and disability, a condition known as Failed Back Surgery Syndrome (FBSS). Excessive scarring in the surgical bed is implicated as a cause. Hydrogels have been proposed to prevent adhesion formation post-laminectomy; however, their efficacy has not been proven. This study uses Chitogel complexed with the iron chelator Deferiprone (Def) to prevent adhesion formation in a sheep laminectomy model. Material & methods: Fifteen Adult Merino sheep (Ovis Aries, 1–5 yrs old) underwent laminectomy at lumbar levels 1–5 and had hydrated aluminum silicate (kaolin) applied to promote adhesion formation. Subjects were randomised to receive at each laminectomy level no-treatment control, Chitogel, Chitogel with Def at 20 mM or 40 mM or Carboxy-methyl-cellulose and Polyethylene oxide (CMC/PEO) gel. The animals were recovered for 3 months post-surgery, followed by assessment with Magnetic Resonance Imaging (MRI) and histopathology of the spinal tissues for evaluating the presence and extent of adhesions. Results: MRI and Histology assessment indicated that Kaolin induced severe inflammation with adhesion formation. Chitogel with and without 20 mM Def decreased inflammation (p < 0.01) and trended to reduce adhesions (p < 0.1). Chitogel with Def 40 mM was not significantly dis-similar to CMC/PEO and did not reduce inflammation or adhesions compared to no-treatment control. Conclusion: Chitogel in combination with Def 20 mM is safe and effective in decreasing the inflammatory process and may possibly reduce post-operative adhesions following laminectomy.-
dc.description.statementofresponsibilityRajan Sundaresan Vediappan, Annika Mascarenhas, Ann Nguyen-Hoang, Stephanie Anne Fong, Alistair Jukes, Katharina Richter, Ahmed Bassiouni, Sandy Patel, Steve Chryssidis, Sophia Otto, Stephen Moratti, Alkis James Psaltis, Sarah Vreugde, Peter-John Wormald-
dc.rightsCrown Copyright © 2019 Published by Elsevier Ltd. All rights reserved.-
dc.subjectBack pain; epidural adhesion; fibrosis; Chitogel; Failed Back Surgery Syndrome-
dc.titlePrevention of peridural adhesions in spinal surgery: assessing safety and efficacy of Chitogel with Deferiprone in a sheep model-
dc.typeJournal article-
dc.identifier.orcidVediappan, R.S. [0000-0001-5370-8262]-
dc.identifier.orcidMascarenhas, A. [0000-0002-1864-6454]-
dc.identifier.orcidFong, S.A. [0000-0002-4095-8024]-
dc.identifier.orcidRichter, K. [0000-0003-2979-8215]-
dc.identifier.orcidBassiouni, A. [0000-0002-5545-0194]-
dc.identifier.orcidPsaltis, A.J. [0000-0003-2967-1855]-
dc.identifier.orcidVreugde, S. [0000-0003-4719-9785]-
dc.identifier.orcidWormald, P. [0000-0001-7753-7277]-
Appears in Collections:Aurora harvest 4
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