Cerebrovascular Accident CVA

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Cerebrovascular Accident Cerebrovascular Accident CVA CVA

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Cerebrovascular Accident CVA. Cerebrovascular Accident. Results from ischemia to a part of the brain or hemorrhage into the brain that results in death of brain cells . Approximately 750,000 in USA annually Third most common cause of death #1 leading cause of disability - PowerPoint PPT Presentation

Transcript of Cerebrovascular Accident CVA

Page 1: Cerebrovascular Accident CVA

Cerebrovascular AccidentCerebrovascular Accident

CVACVA

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Cerebrovascular AccidentCerebrovascular Accident Results from ischemia to a part of the brain or Results from ischemia to a part of the brain or

hemorrhage into the brain that results in death of hemorrhage into the brain that results in death of brain cellsbrain cells. .

Approximately 750,000 in USA annuallyApproximately 750,000 in USA annually Third most common cause of death Third most common cause of death #1 leading cause of disability #1 leading cause of disability 25% with initial stroke die within 1 year25% with initial stroke die within 1 year 50-75% will be functionally independent50-75% will be functionally independent 25% will live with permanent disability25% will live with permanent disability

Physical, cognitive, emotional, & financial impactPhysical, cognitive, emotional, & financial impact

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Cerebrovascular AccidentCerebrovascular AccidentRisk FactorsRisk Factors

Nonmodifiable:Nonmodifiable:

Age Age – Occurrence doubles each decade >55 years– Occurrence doubles each decade >55 years

GenderGender – Equal for men & women; women die more – Equal for men & women; women die more frequently than menfrequently than men

Race Race – African Americans, Hispanics, Native Americans, – African Americans, Hispanics, Native Americans, Asian Americans -- higher incidence Asian Americans -- higher incidence

Heredity Heredity – family history, prior transient ischemic attack, or – family history, prior transient ischemic attack, or prior stroke increases riskprior stroke increases risk

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Cerebrovascular AccidentCerebrovascular AccidentRisk FactorsRisk Factors

Controllable Risks with Medical Treatment & Controllable Risks with Medical Treatment & Lifestyle Changes:Lifestyle Changes:

High blood pressure DiabetesCigarette smoking TIA (Aspirin)High blood cholesterol ObesityHeart Disease Atrial fibrillation

Oral contraceptive use Physical inactivity

Sickle cell disease Asymptomatic carotid stenosisAsymptomatic carotid stenosisHypercoagulabilityHypercoagulability

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CVA – Risk FactorsCVA – Risk Factors

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Cerebrovascular AccidentCerebrovascular AccidentAnatomy of Cerebral CirculationAnatomy of Cerebral Circulation

Blood SupplyBlood Supply

Anterior: Carotid ArteriesAnterior: Carotid Arteries – middle & anterior – middle & anterior cerebral arteriescerebral arteriesfrontal, parietal, temporal lobes; basal ganglion; part of frontal, parietal, temporal lobes; basal ganglion; part of

the diencephalon (thalamus & hypothalamus)the diencephalon (thalamus & hypothalamus)

Posterior: Vertebral ArteriesPosterior: Vertebral Arteries – basilar artery – basilar arteryMid and lower temporary & occipital lobes, cerebellum, Mid and lower temporary & occipital lobes, cerebellum,

brainstem, & part of the diencephalonbrainstem, & part of the diencephalon

Circle of WillisCircle of Willis – connects the anterior & posterior – connects the anterior & posterior cerebral circulationcerebral circulation

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Cerebrovascular AccidentCerebrovascular AccidentAnatomy of Cerebral CirculationAnatomy of Cerebral Circulation

Blood SupplyBlood Supply

20% of cardiac output—750-1000ml/min20% of cardiac output—750-1000ml/min

>30 second interruption– neurologic >30 second interruption– neurologic metabolism is altered; metabolism stops in metabolism is altered; metabolism stops in 2 minutes; brain cell death < 5 mins.2 minutes; brain cell death < 5 mins.

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Cerebrovascular AccidentCerebrovascular AccidentPathophysiologyPathophysiology

AtherosclerosisAtherosclerosis: major cause of CVA: major cause of CVAThrombus formation & emboli developmentThrombus formation & emboli developmentAbnormal filtration of lipids in the intimal layer of the Abnormal filtration of lipids in the intimal layer of the

arterial wallarterial wallPlaque develops & locations of increased turbulence of Plaque develops & locations of increased turbulence of

blood - bifurcationsblood - bifurcationsIncreased turbulence of blood or a tortuous areaIncreased turbulence of blood or a tortuous areaCalcified plaques rupture or fissureCalcified plaques rupture or fissurePlatelets & fibrin adhere to the plaquePlatelets & fibrin adhere to the plaqueNarrowing or blockage of an artery by thrombus or Narrowing or blockage of an artery by thrombus or

emboliemboliCerebral Infarction: blocked artery with blood supply Cerebral Infarction: blocked artery with blood supply

cut off beyond the blockagecut off beyond the blockage

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CVA? CVA?

Sudden numbness or weakness of face, arm, or leg Sudden numbness or weakness of face, arm, or leg especially on one side of the body. especially on one side of the body.

Sudden confusion or trouble speaking or understanding Sudden confusion or trouble speaking or understanding speech. speech.

Sudden trouble seeing in one or both eyes. Sudden trouble seeing in one or both eyes.

Sudden trouble walking, dizziness, or loss of balance or Sudden trouble walking, dizziness, or loss of balance or coordination coordination

Sudden severe headache with no known cause. Sudden severe headache with no known cause.

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Cerebrovascular AccidentCerebrovascular AccidentTransient Ischemic AttackTransient Ischemic Attack

Temporary focal loss of neurologic function Temporary focal loss of neurologic function

Caused by ischemia of one of the vascular Caused by ischemia of one of the vascular territories of the brainterritories of the brain Micro emboli with temporary blockage of blood flowMicro emboli with temporary blockage of blood flow

Lasts less than 24 hrs – often less than 15 minsLasts less than 24 hrs – often less than 15 mins

Most resolve within 3 hoursMost resolve within 3 hours

Warning sign of progressive cerebrovascular Warning sign of progressive cerebrovascular diseasedisease

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Cerebrovascular AccidentCerebrovascular Accident Transient Ischemic AttackTransient Ischemic Attack

Diagnosis: Diagnosis: CT without contrast CT without contrast

Confirm that TIA is not related to brain lesions Confirm that TIA is not related to brain lesions Cardiac EvaluationCardiac Evaluation

Rule out cardiac mural thrombiRule out cardiac mural thrombi

Treatment:Treatment: Medications that prevent platelet aggregationMedications that prevent platelet aggregation Oral anticoagulantsOral anticoagulants

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Cerebrovascular AccidentCerebrovascular AccidentClassifications Classifications

Based on underlying pathophysiologic Based on underlying pathophysiologic findingsfindings

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Cerebrovascular AccidentCerebrovascular AccidentClassificationsClassifications

Ischemic StrokeIschemic Stroke ThromboticThrombotic EmbolicEmbolic

Hemorrhagic StrokeHemorrhagic Stroke Intra cerebral HemorrhageIntra cerebral Hemorrhage Subarachnoid HemorrhageSubarachnoid Hemorrhage

AneurysmAneurysm

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Cerebro vascular AccidentCerebro vascular AccidentClassificationsClassifications

Ischemic StrokeIschemic Stroke - inadequate blood flow to the brain from - inadequate blood flow to the brain from partial or complete occlusions of an artery--85% of all partial or complete occlusions of an artery--85% of all strokesstrokes

Extent of a stroke depends on:Extent of a stroke depends on:• Rapidity of onsetRapidity of onset• Size of the lesionSize of the lesion• Presence of collateral circulationPresence of collateral circulation

Symptoms may progress in the first 72 hours as infarction & Symptoms may progress in the first 72 hours as infarction & cerebral edema increasecerebral edema increase

Types of Ischemic StrokeTypes of Ischemic Stroke: :

Thrombotic StrokeThrombotic Stroke Embolic StrokeEmbolic Stroke

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CVA RecognitionCVA Recognition

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Cerebrovascular AccidentCerebrovascular AccidentIschemic – Thrombotic StrokeIschemic – Thrombotic Stroke

Lumen of the blood vessels narrow – then becomes Lumen of the blood vessels narrow – then becomes occluded – infarctionoccluded – infarction

Associated with HTN and Diabetes MellitusAssociated with HTN and Diabetes Mellitus

>60% of strokes>60% of strokes50% are preceded by TIA50% are preceded by TIALacunar Stroke: development of cavity in Lacunar Stroke: development of cavity in

place of infarcted brain tissue – results in place of infarcted brain tissue – results in considerable deficits – motor hemiplegia, considerable deficits – motor hemiplegia, contralateral loss of sensation or motor contralateral loss of sensation or motor abilityability

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Cerebrovascular AccidentCerebrovascular AccidentIschemic – Embolic StrokeIschemic – Embolic Stroke

Embolus lodges in and occludes a cerebral arteryEmbolus lodges in and occludes a cerebral artery Results in infarction & cerebral edema of the area Results in infarction & cerebral edema of the area

supplied by the vesselsupplied by the vessel Second most common cause of stroke – 24%Second most common cause of stroke – 24% Emboli originate in endocardial layer of the heart – Emboli originate in endocardial layer of the heart –

atrial fibrillation, MI, infective endocarditis, atrial fibrillation, MI, infective endocarditis, rheumatic heart disease, valvular prosthesesrheumatic heart disease, valvular prostheses

Rapid occurrence with severe symptoms – body Rapid occurrence with severe symptoms – body does not have time to develop collateral circulationdoes not have time to develop collateral circulation

Any age groupAny age group Recurrence common if underlying cause not treated Recurrence common if underlying cause not treated

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Cerebrovascular AccidentCerebrovascular AccidentEmbolic StrokeEmbolic Stroke

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Cerebrovascular AccidentCerebrovascular AccidentGoals for ManagementGoals for Management

Immediate – assess & stabilizeImmediate – assess & stabilize ABCs, VSABCs, VS Neurologic screeningNeurologic screening Oxygen if hypoxicOxygen if hypoxic IV access IV access Check glucoseCheck glucose Activate stroke team Activate stroke team 12-lead EKG12-lead EKG

Immediate Neuro AssessmentImmediate Neuro Assessment• Establish symptom onsetEstablish symptom onset

Review hxReview hx Facial droop; arm drift; abnormal speechFacial droop; arm drift; abnormal speech

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Cerebrovascular AccidentCerebrovascular AccidentGoals for ManagementGoals for Management

CT Scan – No hemorrhage:CT Scan – No hemorrhage: Consider Fibrinolytic therapyConsider Fibrinolytic therapy

• Check for exclusionsCheck for exclusions• rtPArtPA

No anticoagulants or antiplatelet therapy for 24 hoursNo anticoagulants or antiplatelet therapy for 24 hours If not a candidate: Antiplatelet TherapyIf not a candidate: Antiplatelet Therapy

CT Scan – Hemorrhage:CT Scan – Hemorrhage: Neurosurgery?Neurosurgery? If no surgery: Stroke UnitIf no surgery: Stroke Unit

• Monitor BP and treat HypertensionMonitor BP and treat Hypertension• Monitor Neuro statusMonitor Neuro status• Monitor blood glucose and treat as neededMonitor blood glucose and treat as needed• Supportive therapySupportive therapy

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Cerebrovascular AccidentCerebrovascular AccidentGoals for ManagementGoals for Management

Immediate – assess & stabilizeImmediate – assess & stabilize ABCs, VSABCs, VS Neurologic screeningNeurologic screening Oxygen if hypoxicOxygen if hypoxic IV access IV access Check glucoseCheck glucose Active stroke teamActive stroke team Emergent CT scan of brainEmergent CT scan of brain 12-lead EKG12-lead EKG

Immediate Neuro AssessmentImmediate Neuro Assessment• Establish symptom onsetEstablish symptom onset

Review hxReview hx Stroke Scale Stroke Scale Facial droop; arm drift; abnormal speechFacial droop; arm drift; abnormal speech

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Cerebrovascular AccidentCerebrovascular AccidentHemorrhagic StrokeHemorrhagic Stroke

Hemorrhagic StrokeHemorrhagic Stroke 15% of all strokes15% of all strokes Result from bleeding into the brain Result from bleeding into the brain

tissue itself tissue itself

IntracerebralIntracerebralSubarachnoidSubarachnoid

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Cerebrovascular AccidentCerebrovascular AccidentHemorrhage Stroke Hemorrhage Stroke

Intracerebral HemorrhageIntracerebral Hemorrhage

Rupture of a vesselRupture of a vessel Hypertension – most important causeHypertension – most important cause Others: vascular malformations, coagulation Others: vascular malformations, coagulation

disorders, anticoagulation, trauma, brain disorders, anticoagulation, trauma, brain tumor, ruptured aneurysmstumor, ruptured aneurysms

Sudden onset of symptoms with progressionSudden onset of symptoms with progression Neurological deficits, headache, nausea, Neurological deficits, headache, nausea,

vomiting, decreased LOC, and hypertensionvomiting, decreased LOC, and hypertension Prognosis: poor – 50% die within weeksPrognosis: poor – 50% die within weeks 20% functionally independent at 6 months20% functionally independent at 6 months

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Cerebrovascular AccidentCerebrovascular AccidentHemorrhagic-SubarachnoidHemorrhagic-Subarachnoid

Hemorrhagic Stroke–Subarachnoid Hemorrhagic Stroke–Subarachnoid HemorrhageHemorrhage

Intracranial bleeding into the cerebrospinal Intracranial bleeding into the cerebrospinal fluid-filled space between the arachnoid and pia fluid-filled space between the arachnoid and pia mater membranes on the surface of the brain mater membranes on the surface of the brain

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Cerebrovascular AccidentCerebrovascular Accident Hemorrhagic-SubarachnoidHemorrhagic-Subarachnoid

Commonly caused by rupture of cerebral Commonly caused by rupture of cerebral aneurysmaneurysm (congenital or acquired) (congenital or acquired)Saccular or berry – few to 20-30 mm in sizeSaccular or berry – few to 20-30 mm in sizeMajority occur in the Circle of WillisMajority occur in the Circle of Willis

Other causes: Arteriovenous malformation Other causes: Arteriovenous malformation (AVM), trauma, illicit drug abuse(AVM), trauma, illicit drug abuse

Incidence: 6-16/100,000Incidence: 6-16/100,000 Increases with age and more common in womenIncreases with age and more common in women

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Cerebrovascular AccidentCerebrovascular Accident Hemorrhagic-SubarachnoidHemorrhagic-Subarachnoid

Cerebral AneurysmCerebral Aneurysm Warning Symptoms: sudden onset of a Warning Symptoms: sudden onset of a

severe headache – “worst headache of severe headache – “worst headache of one’s life”one’s life”

Change of LOC, Neurological deficits, Change of LOC, Neurological deficits, nausea, vomiting, seizures, stiff necknausea, vomiting, seizures, stiff neck

Despite improvements in surgical Despite improvements in surgical techniques, many patients die or left with techniques, many patients die or left with significant cognitivesignificant cognitive difficultiesdifficulties

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Hemorrhagic-SubarachnoidHemorrhagic-Subarachnoid Cerebral AneurysmCerebral Aneurysm

Surgical Treatment:Surgical Treatment:

Clipping the aneurysm – prevents rebleedClipping the aneurysm – prevents rebleed Coiling – platinum coil inserted into the lumen Coiling – platinum coil inserted into the lumen

of the aneurysm to occlude the sacof the aneurysm to occlude the sac

Postop: Vasospasm prevention – Calcium Postop: Vasospasm prevention – Calcium Channel BlockersChannel Blockers

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Hemorrhagic-SubarachnoidHemorrhagic-Subarachnoid Cerebral Aneurysm – CoilingCerebral Aneurysm – Coiling

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Cerebrovascular AccidentCerebrovascular AccidentClassificationClassification

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Cerebrovascular AccidentCerebrovascular AccidentClinical ManifestationsClinical Manifestations

Middle Cerebral Artery InvolvementMiddle Cerebral Artery Involvement Contralateral weaknessContralateral weakness

Hemiparesis; hemiplegiaHemiparesis; hemiplegia Contralateral hemianesthesiaContralateral hemianesthesia Loss of proprioception, fine touch and localizationLoss of proprioception, fine touch and localization Dominant hemisphere: aphasiaDominant hemisphere: aphasia Nondominant hemisphere – neglect of opposite side; Nondominant hemisphere – neglect of opposite side;

anosognosia – unaware or denial of neuro deficitanosognosia – unaware or denial of neuro deficit Homonymous hemianopsia – defective vision or blindness Homonymous hemianopsia – defective vision or blindness

right or left halves of visual fields of both eyesright or left halves of visual fields of both eyes

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Cerebrovascular AccidentCerebrovascular AccidentClinical ManifestationsClinical Manifestations

Anterior Cerebral Artery InvolvementAnterior Cerebral Artery Involvement Brain stem occlusionBrain stem occlusion Contralateral Contralateral

weakness of proximal upper extremityweakness of proximal upper extremitysensory & motor deficits of lower extremitiessensory & motor deficits of lower extremities

Urinary incontinenceUrinary incontinence Sensory loss (discrimination, proprioception)Sensory loss (discrimination, proprioception) Contralateral grasp & sucking reflexes may be presentContralateral grasp & sucking reflexes may be present Apraxia – loss of ability to carry out familiar purposeful Apraxia – loss of ability to carry out familiar purposeful

movements in the absence of sensory or motor movements in the absence of sensory or motor impairmentimpairment

Personality change: flat affect, loss of spontaneity, loss Personality change: flat affect, loss of spontaneity, loss of interest in surroundingsof interest in surroundings

Cognitive impairmentCognitive impairment

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Cerebrovascular AccidentCerebrovascular AccidentClinical ManifestationsClinical Manifestations

Posterior Cerebral Artery & Posterior Cerebral Artery & Vertebrobasilar InvolvementVertebrobasilar Involvement

Alert to comatoseAlert to comatose Unilateral or bilateral sensory lossUnilateral or bilateral sensory loss Contralateral or bilateral weaknessContralateral or bilateral weakness Dysarthria – impaired speech articulation Dysarthria – impaired speech articulation Dysphagia – difficulty in swallowingDysphagia – difficulty in swallowing HoarsenessHoarseness Ataxia, Vertigo Ataxia, Vertigo Unilateral hearing lossUnilateral hearing loss Visual disturbances (blindness, homonymous Visual disturbances (blindness, homonymous

hemianopsia, nystagmus, diplopia)hemianopsia, nystagmus, diplopia)

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Cerebrovascular AccidentCerebrovascular AccidentClinical ManifestationsClinical Manifestations

Motor Function ImpairmentMotor Function Impairment Caused by destruction of motor neurons in the Caused by destruction of motor neurons in the

pyramidal pathway (brain to spinal cord)pyramidal pathway (brain to spinal cord) MobilityMobility Respiratory functionRespiratory function Swallowing and speechSwallowing and speech Gag reflexGag reflex Self-care activitiesSelf-care activities

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Cerebrovascular AccidentCerebrovascular AccidentClinical ManifestationsClinical Manifestations

Right Brain – Left Brain DamageRight Brain – Left Brain Damage

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Cerebrovascular AccidentCerebrovascular AccidentClinical ManifestationsClinical Manifestations

AffectAffect Difficulty controlling emotionsDifficulty controlling emotions Exaggerated or unpredictable emotional Exaggerated or unpredictable emotional

responseresponse Depression / feelings regarding changed body Depression / feelings regarding changed body

image and loss of functionimage and loss of function

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Cerebrovascular AccidentCerebrovascular AccidentClinical ManifestationsClinical Manifestations

Intellectual FunctionIntellectual Function Memory and judgment Memory and judgment

Left-brain stroke: cautious in making judgmentsLeft-brain stroke: cautious in making judgmentsRight-brain stroke: impulsive & moves quickly to Right-brain stroke: impulsive & moves quickly to

decisionsdecisions Difficulties in learning new skillsDifficulties in learning new skills

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Cerebrovascular AccidentCerebrovascular AccidentClinical ManifestationsClinical Manifestations

CommunicationCommunication Left hemisphere dominant for language skills in the Left hemisphere dominant for language skills in the

right-handed person & most left-handed persons -- right-handed person & most left-handed persons -- Aphasia/DysphasiaAphasia/Dysphasia

Involvement Expression & ComprehensionInvolvement Expression & Comprehension Receptive Aphasia (Wernicke’s area):Receptive Aphasia (Wernicke’s area): sounds of speech sounds of speech

nor its meaning can be understood – spoken & writtennor its meaning can be understood – spoken & written Expressive Aphasia (Broca’s area):Expressive Aphasia (Broca’s area): difficulty in speaking difficulty in speaking

and writingand writing Dysarthria:Dysarthria: Affects the mechanics of speech due to muscle Affects the mechanics of speech due to muscle

control disturbances – pronunciation, articulation, and control disturbances – pronunciation, articulation, and phonationphonation

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Cerebrovascular AccidentCerebrovascular AccidentClinical ManifestationsClinical Manifestations

Spatial-Perceptual Alterations – 4 categories:Spatial-Perceptual Alterations – 4 categories:

1. Incorrect perception of self & illness1. Incorrect perception of self & illness 2. Erroneous perception of self in space – may 2. Erroneous perception of self in space – may

neglect all input from the affected side (worsened neglect all input from the affected side (worsened by homonymous hemianopsia)by homonymous hemianopsia)

3. Agnosia: Inability to recognize an object by 3. Agnosia: Inability to recognize an object by sight, touch or hearingsight, touch or hearing

4. Apraxia: Inability to carry out learned sequential 4. Apraxia: Inability to carry out learned sequential movements on command movements on command

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Cerebrovascular AccidentCerebrovascular AccidentClinical ManifestationsClinical Manifestations

Elimination

Most problems occur initially and are temporaryMost problems occur initially and are temporary One hemisphere stroke: prognosis is excellent One hemisphere stroke: prognosis is excellent

for normal bladder functionfor normal bladder function Bowel elimination: motor control not a problem Bowel elimination: motor control not a problem

– constipation associated with immobility, weak – constipation associated with immobility, weak abdominal muscles, dehydration, diminished abdominal muscles, dehydration, diminished response to the defecation reflexresponse to the defecation reflex

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Cerebrovascular AccidentCerebrovascular AccidentTreatment GoalsTreatment Goals

Prevention – Health Maintenance Focus:Prevention – Health Maintenance Focus: Healthy dietHealthy diet Weight controlWeight control Regular exerciseRegular exercise No smokingNo smoking Limit alcohol consumptionLimit alcohol consumption Route health assessmentRoute health assessment Control of risk factorsControl of risk factors

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Cerebrovascular AccidentCerebrovascular AccidentTreatment GoalsTreatment Goals

PreventionPreventionDrug TherapyDrug TherapySurgical TherapySurgical TherapyRehabilitationRehabilitation

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Cerebrovascular AccidentCerebrovascular AccidentDiagnostic StudiesDiagnostic Studies

Done to confirm CVA and identify causeDone to confirm CVA and identify cause PE: Neuro Assessment; Carotid bruit PE: Neuro Assessment; Carotid bruit Carotid doppler studies (ultrasound study)Carotid doppler studies (ultrasound study) CT – primary – identifies size, location, CT – primary – identifies size, location,

differentiates between ischemic and hemorrhagicdifferentiates between ischemic and hemorrhagic CTA – CT Angiography – visualizes vasculatureCTA – CT Angiography – visualizes vasculature MRI – greater specificity than CT MRI – greater specificity than CT

May not be able to be used on all patients (metal, May not be able to be used on all patients (metal, claustrophobia)claustrophobia)

Angiography: gold standard for imaging carotid Angiography: gold standard for imaging carotid arteriesarteries

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Cerebrovascular AccidentCerebrovascular AccidentTreatment GoalsTreatment Goals

Drug TherapyDrug Therapy – Thrombotic CVA – to reestablish – Thrombotic CVA – to reestablish blood flow through a blocked arteryblood flow through a blocked artery

Thrombolytic DrugsThrombolytic Drugs: rtPA (tissue plasminogen : rtPA (tissue plasminogen activator) activator) produce localized fibrinolysis by binding to the fibrin in the produce localized fibrinolysis by binding to the fibrin in the

thrombithrombi Plasminogen is converted to plasmin (fibrinolysin)Plasminogen is converted to plasmin (fibrinolysin) Enzymatic action digests fibrin & fibrinogenEnzymatic action digests fibrin & fibrinogen Results is clot lysisResults is clot lysis

Administered within 3 hours of symptoms of Administered within 3 hours of symptoms of ischemic CVAischemic CVA Confirmed DX with CTConfirmed DX with CT Patient anticoagulatedPatient anticoagulated

Calcium Channel BlockersCalcium Channel Blockers

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CVA - Treatment GoalsCVA - Treatment Goals Surgical TreatmentSurgical Treatment

Carotid endarterectomyCarotid endarterectomy – – preventive preventive – > – > 100,000/year100,000/yearremoval of atheromatous lesionsremoval of atheromatous lesions

Clipping, wrapping, coiling AneurysmClipping, wrapping, coiling Aneurysm

Evacuation of aneurysm-induced hematomas Evacuation of aneurysm-induced hematomas larger than 3 cm.larger than 3 cm.

Treatment of AV MalformationsTreatment of AV Malformations

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Carotid Artery DiseaseCarotid Artery Disease

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Carotid Artery DiseaseCarotid Artery Disease Carotid artery disease is the leading cause of Carotid artery disease is the leading cause of

strokes. strokes. More than 5More than 50% of stroke victims present no warning 0% of stroke victims present no warning

signs.signs. After age 55, the risk of stroke doubles every 10 After age 55, the risk of stroke doubles every 10

years. years. 97% of the adult population cannot name a single 97% of the adult population cannot name a single

warning sign of a stroke.warning sign of a stroke.

50% of nursing home admissions are stroke 50% of nursing home admissions are stroke victimsvictims

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Carotid Artery StentsCarotid Artery Stents

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Carotid EndarterectomyCarotid Endarterectomy

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Cerebrovascular AccidentCerebrovascular AccidentTreatment GoalsTreatment Goals

Drug TherapyDrug Therapy Measures to prevent the development of a Measures to prevent the development of a

thrombus or embolus for “At Risk” patients:thrombus or embolus for “At Risk” patients:

Antiplatelet AgentsAntiplatelet Agents AspirinAspirin PlavixPlavix CombinationCombination

Oral anticoagulation – Oral anticoagulation – Treatment of choice for individuals with atrial fibrillation who have Treatment of choice for individuals with atrial fibrillation who have

had a TIAhad a TIA

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Cerebrovascular AccidentCerebrovascular AccidentNursing DiagnosesNursing Diagnoses

Ineffective tissue perfusion r/t decreased Ineffective tissue perfusion r/t decreased cerebrovascular blood flowcerebrovascular blood flow

Ineffective airway clearanceIneffective airway clearance Impaired physical mobilityImpaired physical mobility Impaired verbal communicationImpaired verbal communication Impaired swallowingImpaired swallowing Unilateral neglect r/t visual field cut & sensory Unilateral neglect r/t visual field cut & sensory

lossloss Impaired urinary eliminationImpaired urinary elimination Situational low self-esteem r/t actual or perceived Situational low self-esteem r/t actual or perceived

loss of functionloss of function

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Cerebrovascular AccidentCerebrovascular AccidentNursing GoalsNursing Goals

Maintain stable or improved LOCMaintain stable or improved LOC Attain maximum physical functioningAttain maximum physical functioning Attain maximum self-care activities & skillsAttain maximum self-care activities & skills Maintain stable body functionsMaintain stable body functions Maximize communication abilitiesMaximize communication abilities Maintain adequate nutritionMaintain adequate nutrition Avoid complications of strokeAvoid complications of stroke Maintain effective personal & family copingMaintain effective personal & family coping

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Cerebrovascular AccidentCerebrovascular AccidentWarning Signs of StrokeWarning Signs of Stroke

Sudden weakness, paralysis, or numbness Sudden weakness, paralysis, or numbness of the face, arm, or leg, especially on one of the face, arm, or leg, especially on one side of the bodyside of the body

Sudden dimness or loss of vision in one or Sudden dimness or loss of vision in one or both eyesboth eyes

Sudden loss of speech, confusion, or Sudden loss of speech, confusion, or difficulty speaking or understanding speechdifficulty speaking or understanding speech

Unexplained sudden dizziness, Unexplained sudden dizziness, unsteadiness, loss of balance, or unsteadiness, loss of balance, or coordinationcoordination

Sudden severe headacheSudden severe headache

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Cerebrovascular AccidentCerebrovascular AccidentAcute PhaseAcute Phase

AssessAssess:: Frequently to assess CVA evolution Frequently to assess CVA evolutionNeuroNeuro — Glascow Coma Scale -- mental status, LOC, — Glascow Coma Scale -- mental status, LOC,

pupillary response, extremity movement, strength, pupillary response, extremity movement, strength, sensation; ICP; Communication—speaking & sensation; ICP; Communication—speaking & understanding; sensory-perceptual alterationsunderstanding; sensory-perceptual alterations

CVCV– cardiac monitoring; VS, PO, hemodynamic – cardiac monitoring; VS, PO, hemodynamic monitoring; monitoring;

RespResp — airway/air exchange/aspiration; — airway/air exchange/aspiration; GIGI — swallowing—gag reflex; bowel sounds; bowel — swallowing—gag reflex; bowel sounds; bowel

movement regularitymovement regularityGUGU — urinary continence — urinary continenceIntegumentaryIntegumentary — skin integrity, hygiene — skin integrity, hygieneCopingCoping – individual and family – individual and family

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Cerebrovascular AccidentCerebrovascular AccidentAcute PhaseAcute Phase

Nsg ActionNsg Action:: Supportive CareSupportive Care

Respiratory – spans from intubation to breathing on Respiratory – spans from intubation to breathing on ownown

Musculoskeletal -- Positioning – side-to-side; HOB Musculoskeletal -- Positioning – side-to-side; HOB elevated; PROM exercise; splints; shoes/footboardelevated; PROM exercise; splints; shoes/footboard

GI – enteral feedings initially GI – enteral feedings initially GU – foley catheterGU – foley catheterSkin – preventive careSkin – preventive care

Meds: anti plateletMeds: anti platelet

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Cerebrovascular AccidentCerebrovascular AccidentAcute PhaseAcute Phase

Patient Education:Patient Education:

Clear explanations for all care/treatmentsClear explanations for all care/treatments Focus on improvements—regained Focus on improvements—regained

abilitiesabilities Include familyInclude family

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Cerebrovascular AccidentCerebrovascular AccidentRehabilitationRehabilitation

Assess: Swallowing; Communication; Assess: Swallowing; Communication; Complications; motor and sensory functionComplications; motor and sensory function

Nsg Action: Coordinate resources:Nsg Action: Coordinate resources: Speech Therapy—assess swallowingSpeech Therapy—assess swallowing Physical Therapy—ambulation/strengtheningPhysical Therapy—ambulation/strengthening Bowel/BladderBowel/Bladder Appropriate self-help resourcesAppropriate self-help resources

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Cerebrovascular AccidentCerebrovascular AccidentRehabilitationRehabilitation

Comprehensive plan – Comprehensive plan – Physical Medicine & Rehabilitation / Inpatient RehabPhysical Medicine & Rehabilitation / Inpatient Rehab

Learn techniques to self-monitor & maintain Learn techniques to self-monitor & maintain physical wellnessphysical wellness

Demonstrate self-care skillsDemonstrate self-care skills Exhibit problem-solving skills with self-careExhibit problem-solving skills with self-care Avoid complications of strokeAvoid complications of stroke CommunicationCommunication Maintain nutrition & hydrationMaintain nutrition & hydration Use community resourcesUse community resources Family cohesivenessFamily cohesiveness

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Cerebrovascular AccidentCerebrovascular AccidentRehabilitationRehabilitation

ResourcesResources American Stroke AssociationAmerican Stroke Association Association of Rehabilitation NursesAssociation of Rehabilitation Nurses National Institute of Neurological Disorders & National Institute of Neurological Disorders &

StrokeStroke National Stroke AssociationNational Stroke Association Society for NeuroscienceSociety for Neuroscience Stroke Clubs InternationalStroke Clubs International

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