Designing ideal conduits for peripheral nerve repair
نویسندگان
چکیده
منابع مشابه
Nerve conduits for nerve repair or reconstruction.
Advances in treating peripheral nerve lesions have resulted from research in nerve regeneration and the use biomaterials as well as synthetic materials. When direct tensionless repair of peripheral nerve lesions is not possible, nerve conduits may be used to bridge digital sensory nerve gaps of ≤3 cm. Nerve autograft is the benchmark for larger, longer, mixed, or motor nerve defects. Biologic, ...
متن کاملPeripheral nerve conduits: technology update
Peripheral nerve injury is a worldwide clinical problem which could lead to loss of neuronal communication along sensory and motor nerves between the central nervous system (CNS) and the peripheral organs and impairs the quality of life of a patient. The primary requirement for the treatment of complete lesions is a tension-free, end-to-end repair. When end-to-end repair is not possible, periph...
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Porous conduits provide a protected pathway for nerve regeneration, while still allowing exchange of nutrients and wastes. However, pore sizes >30 µm may permit fibrous tissue infiltration into the conduit, which may impede axonal regeneration. Coating the conduit with Fibrin Glue (FG) is one option for controlling the conduit's porosity. FG is extensively used in clinical peripheral nerve repa...
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Nerve conduits and acellular nerve allograft offer efficient and convenient tools for overcoming unexpected gaps during nerve repair. Both techniques offer guidance for migrating Schwann cells and axonal regeneration though utilizing very different scaffolds. The substantially greater amount of animal and clinical data published on nerve conduits is marked by wide discrepancies in results that ...
متن کاملNanofibrous collagen nerve conduits for spinal cord repair.
Nerve regeneration in an injured spinal cord is often restricted, contributing to the devastating outcome of neurologic impairment below the site of injury. Although implantation of tissue-engineered scaffolds has evolved as a potential treatment method, the outcomes remain sub-optimal. One possible reason may be the lack of topographical signals from these constructs to provide contact guidanc...
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ژورنال
عنوان ژورنال: Neurosurgical Focus
سال: 2009
ISSN: 1092-0684
DOI: 10.3171/foc.2009.26.2.e5