Spinal Cord IschemiaSpinal CordSpinal Cord InjuriesParaplegiaIschemiaAortic Aneurysm, ThoracicSpinal Cord DiseasesParaparesisSpinal Cord CompressionSpinal Cord NeoplasmsInjections, SpinalCerebrospinal Fluid PressureConstrictionReperfusion InjuryAorta, ThoracicMotor NeuronsReperfusionBlood Vessel Prosthesis ImplantationInfarctionRabbitsEvoked Potentials, SomatosensoryAortographySubclavian ArteryMonitoring, IntraoperativeTime FactorsParaparesis, SpasticThoracic ArteriesMyocardial IschemiaBrain IschemiaSpinal Nerve RootsDisease Models, AnimalAortic Aneurysm, AbdominalEvoked Potentials, MotorSpinal NervesRats, Sprague-DawleyHindlimbDrainageSpinal Cord RegenerationNeuroprotective AgentsNeurologic ExaminationIschemic PreconditioningAorta, AbdominalAortic DiseasesSpinal CanalEndovascular ProceduresSpinal NeoplasmsHypothermia, InducedCerebrospinal FluidCervical VertebraeAnesthesia, SpinalQuadriplegiaPostoperative ComplicationsBlood Vessel ProsthesisThoracic VertebraeNeuronsSpinal DiseasesUmbilical CordPosterior Horn CellsVascular Surgical ProceduresLaminectomyRecovery of FunctionTreatment OutcomeAortic AneurysmLumbosacral RegionRegional Blood FlowNerve RegenerationAxonsSpinal StenosisGanglia, SpinalSpinal Cord StimulationLocomotionRandom AllocationSpinal FusionSpinal InjuriesThoracotomyTomography, X-Ray ComputedAnterior Horn CellsMyelitisImmunohistochemistryIntraoperative ComplicationsAneurysm, DissectingCordotomyAngioplastyParalysisEmbolismPainMuscular Atrophy, SpinalIn Situ Nick-End LabelingIliac ArteryMalondialdehydeStentsElectric Stimulation TherapyHyperalgesiaRetrospective StudiesNeuralgiaAortic RuptureAnastomosis, SurgicalMyelographyElectric StimulationAfferent Pathways