Spinal Cord IschemiaSpinal Cord InjuriesParaplegiaSpinal CordQuadriplegiaIschemiaRecovery of FunctionAortic Aneurysm, ThoracicParalysisTime FactorsParaparesisAccidents, TrafficNerve RegenerationCerebrospinal Fluid PressureCervical VertebraeInjury Severity ScoreDisease Models, AnimalConstrictionReperfusion InjuryAorta, ThoracicMuscle SpasticityRats, Sprague-DawleyThoracic VertebraeAccidental FallsReperfusionBlood Vessel Prosthesis ImplantationAortographyRabbitsInjections, SpinalSubclavian ArteryInfarctionSpinal Cord DiseasesRetrospective StudiesDisability EvaluationParaparesis, SpasticMonitoring, IntraoperativeEvoked Potentials, SomatosensoryMyocardial IschemiaBrain IschemiaThoracic ArteriesAxonsTreatment OutcomeAortic Aneurysm, AbdominalSpinal Cord CompressionSpinal Cord NeoplasmsMicrogliaActivities of Daily LivingDrainageMotor NeuronsEvoked Potentials, MotorMotor ActivityContusionsIschemic PreconditioningAorta, AbdominalHematoma, Epidural, SpinalAcute DiseaseAortic DiseasesAstrocytesNeuroprotective AgentsEndovascular ProceduresNeurologic ExaminationHindlimbHypothermia, InducedBlood Vessel ProsthesisCerebrospinal FluidPostoperative ComplicationsMagnetic Resonance ImagingVascular Surgical ProceduresAortic AneurysmThrombophlebitisRegional Blood FlowAge FactorsThoracotomyRandom AllocationSpinal Nerve RootsAngioplastyAneurysm, DissectingSpinal NervesTomography, X-Ray ComputedIntraoperative ComplicationsEmbolismNeuronsIliac ArteryStentsSpinal Cord RegenerationMalondialdehydeIn Situ Nick-End LabelingAortic RuptureAnastomosis, SurgicalSpinal CanalSpinal NeoplasmsAnesthesia, SpinalProsthesis DesignImmunohistochemistrySpinal DiseasesUmbilical CordPosterior Horn CellsLaminectomyLumbosacral Region