The effect of myelotomy following low thoracic spinal cord compression injury in rats

Carolin Meyer, Habib Bendella, Svenja Rink, Robin Gensch, Robert Seitz, Gregor Stein, Marilena Manthou, Theodora Papamitsou, Makoto Nakamura, Bertil Bouillon, Mary Galea, Peter Batchelor, Sarah Dunlop, Doychin Angelov

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10 Citations (Scopus)


Myelotomy is a surgical procedure allowing removal of extravasated blood and necrotic tissue that is thought to attenuate secondary injury as well as promote recovery in experimental spinal cord injury (SCI) models and humans. Here we examined in rat whether myelotomy at 48 h after low-thoracic compressive SCI provided any benefit over a 12 week period. Compared to animals receiving SCI alone, myelotomy worsened BBB scores (p < 0.05) and also did not improve plantar stepping, ladder climbing, urinary bladder voiding or sensory function (thermal latency) during the 12-week period. Quantitative analyses of tissue sections at 12 weeks showed that myelotomy also did not reduce lesion volume nor alter immunohistochemical markers of axons in spared white matter bridges, microglia, astrocytes or serotinergic fibres. However, myelotomy reduced synaptophysin expression, a marker of synaptic plasticity. We conclude that further studies are required to evaluate myelotomy after SCI. (142 words).

Original languageEnglish
Pages (from-to)10-21
Number of pages12
JournalExperimental Neurology
Publication statusPublished - 1 Aug 2018


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