2009
DOI: 10.1590/s1413-78522009000500007
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Tubo de ácido poliglicólico e GM1 na regeneração de nervos periféricos

Abstract: INTRODUÇÃO: A auto-enxertia de nervo é considerada tratamento de escolha nas grandes perdas de tecido neural que não permitam a reparação através de anastomose primária. Nesses casos, o tubo sintético à base de ácido poliglicólico é uma alternativa para enxertia de nervo. Por outro lado, muitos estudos têm enfatizado a importância dos fatores neurotróficos na regeneração neural: o monossialotetraesosilgangliosídeo (GM1), um dos principais glicoesfingolípides do tecido nervoso de mamíferos, é tido como potencia… Show more

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Cited by 5 publications
(6 citation statements)
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“…Quantitative histological analysis has been frequently used to quantify regenerated axons and to give an anatomic estimate of nerve regeneration's degree [5][6][7][8] . It is directly related to function, because it's known that more number of regenerated myelinated fibers leads to better conduction velocity 9 .…”
Section: Introductionmentioning
confidence: 99%
“…Quantitative histological analysis has been frequently used to quantify regenerated axons and to give an anatomic estimate of nerve regeneration's degree [5][6][7][8] . It is directly related to function, because it's known that more number of regenerated myelinated fibers leads to better conduction velocity 9 .…”
Section: Introductionmentioning
confidence: 99%
“…Two-microns thick cross-sections were made, which were stained with 1% toluidine blue. On slices, the overall architecture of the regenerated nerve was analyzed, pursuing to identify an organization pattern of the neural tissue inside neural and venous grafts, the myelinization and axonal reorganization degree, fibroblasts and epiperineural connective tissue arrangement, the presence of axonal fibers escaping to beyond the limits of the epineurium, and the tissue response analysis (16)(17)(18) .…”
Section: Discussionmentioning
confidence: 99%
“…In group B animals, an autogenous segment of the right internal jugular vein was interposed, which was prepared with trichotomy of the cervical anterior portion, incision at cervical paramedian portion and segregation of internal jugular vein with 10-mm resection of its extension, with distal and proximal stumps being connected. This vein graft was collected 7 days previously, and remained stored in individual and labeled tubes, with 20ml of 98% glycerol solution and refrigerated at a temperature of 4ºC (16)(17)(18) . On graft placement day, the veins were kept into saline solution for 30 minutes previously to its use.…”
Section: Methodsmentioning
confidence: 99%
“…This requires synthesis to be performed with fascicles of the injured nerve with many donor nerve segments, thus increasing the number of site sutures and creating a negative influence due to the resultant enhancement of the perineural inflammatory process (5,6) . Several alternatives to autografting have been studied, including tubing using cryopreserved or glycerol-preserved vessels, which have gained attention for being feasible options (7)(8)(9)(10)(11)(12)(13) . In literature, references to the use of allogenous nerve grafts are scarce (14) , not listing so far any reference to glycerol-preserved nerve allografts.…”
Section: Introductionmentioning
confidence: 99%