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Chapter 61
SpinalCordInjury
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Damageortraumatospinalcord12,000newSCIseachyear260,000AmericanslivingwithSCIHighestinmalesages1630 Inolderadults
SpinalCordInjury(SCI)
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MortalityLongtermissuesremainDisruptioningrowthanddevelopmentAlteredfamilydynamicsEconomicloss
90%noninstitutionalized
SCI
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Causes 42%motorvehiclecollisions 27%falls 15%violence 7%sportsinjuries 8%othermiscellaneouscases
Etiology
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J.N.,a32yroldwoman,wasbroughttotheEDafterbeingthrownfromhercarfollowingamotorvehicleaccident.
Shewasnotwearingaseatbelt. Sheisawakeandcrying. Shestatesshecannotmoveorfeelherlegs.
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J.N.anxiouslyasksyouifshebrokeherbackandcutherspinalcord.
Shealsoasksifshewillbeparalyzedforlifeorifitcanbereversed.
Basedonyourknowledgeofthepathophysiologyunderlyingspinalcordinjury,howwillyourespondtoJ.N.?
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SCIduetocordcompressionby Bonedisplacement Interruptionofbloodsupply Tractionfrompullingoncord
Penetratingtrauma tearingandtransection
EtiologyandPathophysiologyInitialInjury
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PrimaryinjuryInitialmechanicaldisruptionofaxonsasaresultofstretchorlaceration
SecondaryinjuryOngoing,progressivedamagethatoccursafterinitialinjury
EtiologyandPathophysiologyInitialInjury
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SeveraltheoriesonwhatcausesongoingdamageatmolecularandcellularlevelsFreeradicalformationUncontrolledcalciuminfluxIschemiaLipidperoxidation
EtiologyandPathophysiologyInitialInjury
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Apoptosis(celldeath)forweeksormonthsafterinitialinjuryCompletecorddamagerelatedtoautodestructionHemorrhagesappearwithin1hourInfarctionby4hours
Caremanagementcriticaltolimitpermanentloss
EtiologyandPathophysiologyInitialInjury
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EventsLeadingtoSecondInjury
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By24hours,permanentdamagemayoccurbecauseofedema.
Extentofdamagefrombothprimaryinjuryandsecondaryinjury
Prognosiscannotbedeterminedforatleast72hours.
EtiologyandPathophysiologyInitialInjury
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C.N.scervicalspinexraysandCTrevealfracturedC78vertebrae.
Physicalexamdemonstratestotallossofreflexes,sensation,andmovementbelowthelevelofinjury.
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Yourecognizethesesymptomsasbeingcausedbyspinalshock.
Whatisspinalshock,andhowdoesitdifferfromneurogenicshock?
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Characterizedby ReflexesLossofsensationFlaccidparalysisbelowlevelofinjury
Lastsdaystomonths
SpinalShock
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CharacterizedbyHypotensionBradycardia
LossofSNSinnervation PeripheralvasodilationVenouspoolingCardiacoutput
T6orhigherinjury
NeurogenicShock
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MajormechanismsofinjuryareFlexionHyperextensionFlexionrotationExtensionrotationCompression
ClassificationofSCI
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Skeletalvs.neurologiclevelLevelofinjurymaybeCervicalThoracicLumbar
Tetraplegia(quadraplegia)Paraplegia
LevelofInjury
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MechanismsofInjury
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Complete Totallossofsensoryandmotorfunctionbelowlevelofinjury
Incomplete(partial) Mixedlossofvoluntarymotoractivityandsensation Sometractsintact
DegreeofInjury
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SyndromesAssociatedwithIncompleteSCI
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DamagetocentralspinalcordMostcommonlycervicalregionMorecommoninolderadultsMotorweaknessandsensorylossUpperextremitiesaffectedmorethanlower
IncompleteSCICentralCordSyndrome
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Damagetoanteriorspinalartery compromisedbloodflowTypicallyresultsfromflexioninjuryMotorparalysisandlossofpainandtemperaturesensationbelowlevelofinjury
IncompleteSCIAnteriorCordSyndrome
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DamagetoonehalfofcordIpsilateral lossofmotorfunctionandpositionandvibrationsenseContralaterallossofpainandtemperaturesensation
IncompleteSCIBrownSquard Syndrome
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CompressionordamagetoposteriorspinalarteryLossofproprioceptionPain,temperaturesensation,andmotorfunctionbelowleveloflesionremainintact.
IncompleteSCIPosteriorCordSyndrome
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Resultfromdamagetoverylowestportionofspinalcord(conus)andlumbarandsacralnerveroots(caudaequina)
Injurytotheseareasproducesflaccidparalysisoflowerlimbsandareflexic(flaccid)bladderandbowel.
DegreeofInjuryConus Medullaris Syndrome/
Cauda Equina Syndrome
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Conus lowestportionofcordCauda equina lumbarandsacralnerverootsFlaccidparalysisoflowerlimbsAreflexic (flaccid)bladderandbowel
ConusMedullarisSyndromeandCaudaEquinaSyndrome
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RelatedtolevelanddegreeofinjuryIncomplete variableSequelae moreseriouswithhigherinjury
ClinicalManifestations
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ASIAImpairmentScale
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CloselycorrespondtolevelofinjuryAbovelevelofC4 Totallossofrespiratorymusclefunction mechanicalventilation
BelowlevelofC4Diaphragmaticbreathingrespiratoryinsufficiency
ClinicalManifestationsRespiratorySystem
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CervicalandthoracicinjuriesParalysisofabdominalandintercostalmuscles ineffectivecoughatelectasisorpneumonia
RiskforinfectionRiskforneurogenicpulmonaryedema
ClinicalManifestationsRespiratorySystem
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InjuryabovelevelT6influenceofsympatheticnervoussystemBradycardiaPeripheralvasodilationhypotensionRelativehypovolemia becauseofinvenouscapacitance
ClinicalManifestationsCardiovascularSystem
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CardiacmonitoringnecessaryAtropineto heartratePeripheralvasodilation Venousreturnofbloodtoheart Cardiacoutput
IVfluidsorvasopressordrugsto BP
ClinicalManifestationsCardiovascularSystem
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AcutephaseUrinaryretentionBladderatonicandoverdistendedIndwellingcatheter
Postacute phaseBladdermaybecomehyperirritable.LossofinhibitionfrombrainReflexemptying
ClinicalManifestationsUrinarySystem
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AboveT5 hypomotilityParalyticileusGastricdistentionNasogastrictubeMetoclopramide(Reglan)
StressulcersIntraabdominalbleeding
ClinicalManifestationsGastrointestinalSystem
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Neurogenicbowel InjurylevelofT12orbelow Bowelinitiallyareflexic withsphinctertone
Whenreflexesreturn Sphinctertoneisenhanced. Reflexemptyingoccurs. Regularbowelprogram Coordinatewithgastrocolic reflex
ClinicalManifestationsGastrointestinalSystem
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PotentialforskinbreakdownPoikilothermism InterruptionofSNSAbilitytosweatorshiverMorecommonwithhighcervicalinjury
ClinicalManifestationsIntegumentarySystem
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NGsuctioning metabolicalkalosisTissueperfusion acidosisElectrolyteimbalancesNutritionalneedsHighproteindiet
ClinicalManifestationsMetabolicNeeds
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Deepveinthrombosis(DVT)Difficulttodetect
PulmonaryembolismLeadingcauseofdeath
ClinicalManifestationsPeripheralVascularProblems
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CTscanCervicalxraysMRIComprehensiveneurologicexaminationCTangiogram
DiagnosticStudies
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ImmediategoalsPatentairwayAdequateventilationAdequatecirculatingbloodvolumePreventextensionofcorddamage
CollaborativeCare
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InitialcareEnsurepatentairway.Stabilizecervicalspine.Administeroxygen.EstablishIVaccess.Assessforotherinjuries.Controlexternalbleeding.
CollaborativeCareEmergencyManagement
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InitialcareObtainimaging.Prepareforstabilizationwithtongsandtraction.
CollaborativeCareEmergencyManagement
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OngoingmonitoringVS,LOC,O2 sat,cardiacrhythm,urineoutputKeepwarm.Monitorforurinaryretention,hypertension.Anticipateneedforintubationifnogagreflex.
CollaborativeCareEmergencyManagement
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ThoracicandlumbarvertebraeinjuriesSystemicsupportlessintenseLessrespiratorycompromiseNobradycardiaTreatsymptomatically
CollaborativeCareEmergencyManagement
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OncestabilizedObtainhistoryofincident.ThoroughassessmentMusclegroupsSensoryexamAssociatedbraininjuryOtherinjuriesLogrollContinuousmonitoring
CollaborativeCareAcuteCare
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TostabilizeanddecompressinjuredspinalsegmentTractionorrealignmentEliminatedamagingmotion.Preventsecondarydamage.
CollaborativeCareNonoperativeStabilization
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EarlysurgeryindicatedifEvidenceofcordcompressionProgressiveneurologicdeficitCompoundfractureBonyfragmentsPenetratingwounds
Laminectomy
CollaborativeCareSurgicalTherapy
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J.N.scervicalspineisimmobilized.
Aneurosurgeonisconsulted.
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VasopressoragentsMaintainmeanarterialpressure>90mmHg
Altereddrugmetabolism riskforinteractions
CollaborativeCareDrugTherapy
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SubjectiveDataHealthhistoryFunctionalhealthpatternsHealthperceptionhealthmanagementActivityexerciseCognitiveperceptualCopingstresstolerance
NursingAssessment
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ObjectiveDataPoikilothermismWarm,dryskin(neurogenicshock)Respiratory difficultiesBradycardia,hypotensionDecreasedorabsentbowelsoundsAddominal distentionConstipation,incontinence,impaction
NursingAssessment
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ObjectiveDataUrinaryretentionFlaccidorspasticbladderPriapismLossofsexualfunctionParalysisHyperactivedeeptendonreflexesMuscleatony,contractures
NursingAssessment
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IneffectivebreathingpatternImpairedskinintegrityImpairedurinaryeliminationConstipationRiskforautonomicdysreflexia
NursingDiagnoses
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OverallGoalsOptimallevelofneurologicfunctioningMinimaltonocomplicationsofimmobilityLearnskills,gainknowledge,andacquirebehaviorstocareforself.Returntohomeandcommunity.
Planning
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HealthPromotionIdentifyHighriskpopulationsCounselingEducationSupportlegislationonseatbeltuse,helmetsformotorcyclists/bicyclists,andchildsafetyseats.
NursingImplementation
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HealthPromotionEducationCounselingReferraltoprogramsFacilitatewheelchairaccessiblehealthcarescreening,examrooms,etc.
NursingImplementation
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Maintainneutralposition.Stabilizetopreventlateralrotation.BlanketortowelHardcervicalcollarBackboard
Keepbodycorrectlyaligned.Logroll
Immobilization
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J.N.issenttotheORforsurgicalstabilizationofherspine.
Herfamilytellsyoutheyhadafriendwithacervicalfracturewhowastreatedwithtraction.
Theyaskyoutoexplainthedifferenceintreatment.
Whatiscervicaltraction?
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SkeletaltractionRealignmentorreductionofinjuryRope,pulley,andweightsTractionmaintainedatalltimes.Stabilizeheadinneutralpositionifdislodgedandthensummonhelp.Pinsitecare
Immobilization
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Immobilization
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KinetictherapyContinualsidetosideslowrotation>200turns/dayManualorautomaticDecreasespressuresoresandcardiopulmonarycomplicationsRiskformotionsickness
Immobilization
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RotoRest
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SOMIBrace
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HaloVest
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ThoracicorlumbarspineinjuriesCustomthoracolumbarorthosis(bodyjacket)
Meticulousskincarecriticalwithalltypesofimmobilization
Immobilization
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WhatwouldbeyourpriorityassessmentofJ.N.sconditionuponherreturnfromsurgery?
Explainyouranswer.
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Mayincreasedduringfirst48hoursMayneedintubationandmechanicalventilation Riskforpneumoniaandatelectasis
RespiratoryDysfunction
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RegularassessmentAggressivechestphysiotherapyAdequateoxygenationProperpainmanagementAssistedcoughingTrachealsuctioningIncentivespirometry
RespiratoryDysfunction
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Riskforbradycardia andcardiacarrestChroniclowbloodpressure withposturalhypotension RiskforDVT
CardiovascularInstability
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FrequentassessmentAnticholinergicdrug/pacemakerVasopressoragentSequentialcompressiondevicesand/orgradientstockingsRangeofmotionexercisesProphylacticheparin
CardiovascularInstability
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InitialparalyticileusandnasogastrictubeMonitorfluidandelectrolytes.Graduallyintroduceoralfoodandfluids.Highprotein,highcaloriediet
FluidandNutritionalMaintenance
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InadequatenutritionalintakeAssessforcauseContractwithpatientPleasanteatingenvironmentCaloriecountDietarysupplementsDietaryfiber
FluidandNutritionalMaintenance
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J.N.isconcernedabouthowshewillbeabletocontrolherbladderandbowelwithhercurrentstatus.HowwillyourespondtoJ.N.?
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IndwellingurinarycatheterinitiallyStrictaseptictechniqueFluidintake
IntermittentcatheterizationprogramEvery34hoursMonitorfors/sofurinarytractinfections
BladderManagement
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BowelprogramstartedduringacutecareDailyrectalstimulantDigitalstimulationormanualevacuationUprightpositionwhenable
BowelManagement
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Novasoconstriction,piloerection,orheatlossthroughperspirationbelowlevelofinjuryTemperaturecontrolexternalMonitorenvironmentandbodytemperature.Donotoverloadorundulyexposepatient.
TemperatureControl
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RisksecondarytoseveretraumaandphysiologicstressMonitorstool,gastriccontents,andhematocrit.Prophylacticmedications
StressUlcers
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SecondarytoabsentsensationsStimulatepatientabovelevelofinjury.Conversation,music,strongaromas,andinterestingflavorsPrismglassestoreadandwatchTVPreventpatientfromwithdrawing.
SensoryDeprivation
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Returnmaycomplicaterehab.HyperactiveExaggeratedresponsesPenileerectionsSpasms
PatientteachingAntispasmodicdrugs
Reflexes
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SomeofC.N.sreflexeshavereturned.Youwalkintoherroomonemorningtofindherpaleanddiaphoretic.Sheiscomplainingofapoundingheadache.YouassesshervitalsignsandfindherBPis206/100andherheartrateis56bpm.
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WhatdoyoususpectisgoingonwithJ.N.?
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MassiveuncompensatedcardiovascularreactionmediatedbysympatheticnervoussystemSNSrespondstostimulationofsensoryreceptors parasympatheticnervoussystemunabletocounteracttheseresponses.Hypertensionandbradycardia
AutonomicDysreflexia
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Whatwouldbethemostlikelycauseofautonomicdysreflexia inJ.N.?
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Mostcommonprecipitatingfactorisdistendedbladderorrectum.ManifestationsHypertensionThrobbingheadacheMarkeddiaphoresisabovelevelofinjuryBradycardia
AutonomicDysreflexia
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Forwhatotherclinicalmanifestationsofautonomicdysreflexia willyouassessJ.N.?
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ManifestationsPiloerectionFlushingofskinabovelevelofinjuryBlurredvisionorspotsinvisualfieldNasalcongestionAnxietyNausea
AutonomicDysreflexia
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WhatareappropriatenursinginterventionsforJ.N.atthispoint?
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NursinginterventionsElevatehead,notifyHCPAssessforandremovecauseimmediatecatheterizationremovestoolimpactionifcauseremoveconstrictiveclothingandtightshoes
Patientandfamilyteaching
AutonomicDysreflexia
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ComplexGoaltofunctionathighestlevelofwellnessRetrainingfocusInterdisciplinaryendeavor
RehabilitationandHomeCare
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OrganizedaroundindividualpatientsgoalsandneedsPatientexpectedTobeinvolvedintherapiesTolearnselfcare
CanbeverystressfulFrequentencouragement
RehabilitationandHomeCare
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RehabilitationandHomeCare
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RespiratoryRehabilitation
PhrenicnervestimulatorDiaphragmaticpacemakerMobileventilatorsPatientteachingHomeventilatorcareAssistedcoughingIncentivespirometryDeepbreathingexercises
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Areflexic (flaccid),hyperreflexic(spastic),ordyssynergiaCommonproblemsUrgency,frequency,incontinence,inabilitytovoid,andhighbladderpressuresresultinginrefluxofurineintokidneys
NeurogenicBladder
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DrugtherapyAnticholinergicdrugsAdrenergicblockersAntispasmodicdrugs
DrainagemethodsBladderreflextrainingIndwelling,intermittent,externalcatheterizationUrinarydiversionsurgery
Patientteaching
NeurogenicBladder
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Voluntarycontrolmaybelost.HighfiberdietAdequatefluidintakeSuppositoriesSmallvolumeenemasDigitalstimulationMandatoryforuppermotorneuroninjury
NeurogenicBowel
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StoolsoftenerOralstimulantlaxativesValsalva maneuverwithmanualstimulationForlowermotorneuroninjuries
Useofgastrocolic reflex
NeurogenicBowel
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PreventionessentialPatientteachingComprehensivedailyexamCarefullyrepositionevery2hours.PressurerelievingcushionormattressAdequatenutritionAvoidthermalinjury.
NeurogenicSkin
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J.N.isworriedhowthisSCIwillaffecthersexualabilities.
Whatwillyouteachher?
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ImportantissueregardlessofpatientsageorgenderNursemustHaveanawarenessandanacceptanceofpersonalsexuality.Haveknowledgeofhumansexualresponses.Usemedicalterminology.
Sexuality
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Injurylevelandcompletenessofinjuryimpactsfunction.PsychogenicversusreflexerectionTreatmentsforerectiledysfunctionDrugsVacuumdevicesSurgicalprocedures
Fertilityissues
Sexuality
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FemalesexualissuesLubricationOrgasminabout50%ofwomen
FertilitynotusuallyaffectedPregnancycomplicatedRiskforprecipitousdelivery
Sexuality
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OpendiscussionAlternativemethodsUrinarycatheterizationPlanningforbowelevacuationpriorWatersolublelubricant
Sexuality
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OverwhelmingsenseoflossLossofcontrolAdjustmentmorethanacceptanceWidefluctuationinemotionsAllowmourningwhileencouraginghope.
GriefandDepression
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CaregiverandfamilycounselingSupportgroupSympathynothelpfulEncouragepatientparticipation.ConsistencyofcarePsychiatricconsultifneeded
GriefandDepression
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AdequateventilationIntactskinBowelmanagementBladdermanagementNoautonomicdysreflexia
Evaluation
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Establishesabowelmanagementprogrambasedonneurologicfunctionandpersonalpreference.Maintainsabowelmovementeveryotherday.
Evaluation
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Establishesabladdermanagementprogrambasedonneurologicfunction,caregiverstatus,andlifestylechoices.Developsnocomplicationsofimmobility.Experiencesnoepisodesofdysreflexia.
Evaluation
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IncreasedincidenceIncreasedcomplicationsHealthpromotionandscreeningRehabilitationlengthened
GerontologicConsiderations
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ApatientisjustadmittedtothehospitalfollowingaspinalcordinjuryatthelevelofT4.Apriorityofnursingcareforthepatientismonitoringfor
a. returnofreflexes.b. bradycardiawithhypoxemia.c. effectsofsensorydeprivation.d. fluctuationsinbodytemperature.
Audience Response Question
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A young adult is hospitalizedafteran accident that resultedin a complete transectionof the spinal cord at the level of C7. The nurse informsthe patient that after rehabilitation, the level of functionthat is most likely to occur is the ability to
a. breathe with respiratorysupport.b. drive avehicle with hand controls.c. ambulate with longleg braces and crutches.d. use a powered deviceto handle eating utensils.
AudienceResponseQuestion
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Duringassessmentof apatientwithaspinal cordinjuryatthelevel of T2attherehabilitationcenter,whichfindingwouldconcernthenursethemost?
a. Aheartrateof 92b. Areddenedareaover thepatientscoccyxc. Markedperspirationonthepatientsface
andarmsd. Alightinspiratory wheezeonauscultation
of thelungs
AudienceResponseQuestion
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