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STROKE Sheila Moffatt RN BNClinical Nurse EducatorNovember 23, 2005NSRC
(www.stroke.org)
Objectives:The Care of a client with Stroke
1. Understands potential risk factors
2. Understands the anatomy and function of the cerebral vascular system
3. Understand the pathophysiology
4. Interprets laboratory values
5. Recognize the clinical manifestations
6. Recognize general residual deficits
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7. Recognize the residual deficits of Left hemispheric stroke
8. Recognize the residual deficits of Right hemispheric stroke
9. Recognize the residual deficits of a brain stem stroke
10. Select the Rehabilitation Nursing interventions to manage the care and education of a client to optimize function
World Health Organization 2002
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The Atlas
• 15 million people worldwide had a stroke in 2002
• 5 million people died /year from stroke
• 5 million were left disabled
• In the USA someone dies every 3 minutes
Risk Factors
• Hypertension• Cardiac Disease• Arterial Fibrillation• Diabetes mellitus• Obesity• Cigarette smoking• Substance abuse• Hyperlipidemia(Ref: Gillen and Burkhardt, 2004 and
Hoeman,2002)
• Serum Fibrinogen Inc• Sedentary Lifestyle• Contraceptive use
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Non-modifiable Risk Factors
• Arteriovenous malformation
• Aging
• Gender (Males more frequent)
• Race (Black or Hispanic)
• Heredity
• Blood Disorders (sickle cell anemia and polycythemia)
Stroke
“Stroke is essentially a disease of the cerebral vasculature in which a failure to supply oxygen to brain cells, which are the most susceptible to ischemic damage, leads to their death.”
(Gillen and Burkhardt, 2004)
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Categories of Stroke
Ischemic (80% of all strokes)
Hemorrhagic (20% of all strokes)
Ischemic Stroke
• Occlusion of blood vessels
• Deprivation of oxygen and glucose
• Impairment of grey matter function
(www.chemsoc.org)
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Ischemic Stroke
I Transient Ischemic Attack (TIA)
II Reversible Ischemic Neurological Deficit
(RIND)
III Ischemic-Anoxia Encephalopathy
IV Cerebral Embolism
V Cerebral Thrombus
VI Lacunar Infarct
TIA
• A vascular disruption
• Symptoms resolve in less than 24 hours
• Reversible defects
• Can be thrombotic or embolic
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RIND
• Reversible
• Takes days to resolve symptoms
Ischemic-Anoxic Encephalopathy
• Small distal cerebral arteries do not receive adequate blood flow
• Cause from hypovolemia related to blood loss or heart pump failure
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Cerebral Embolism
• Most common subtype• Fast onset• Often occlude the middle
cerebral artery(80%)• Posterior cerebral Artery
(10%)• Vascular emboli (less
common)
www.ahaf.org
Homepage.psy
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Cerebral Thrombus
Causes are related to the development of abnormalities in the arterial walls(i.e.-atherosclerosis, arteritis, and external compression)
www.cnn.com
Lacunar Infarct• Thrombotic occlusion of
cerebral arteries
• Lesions small, oval shape, pitting and deep within the brain
• Develop in the pons or thalamic pathways
• Definite motor or sensory deficit
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Hemorrhagic
I Subarachnoid Hemorrhage
II Intracerebral Hemorrhage
Subarachnoid hemorrhage
Blood from a ruptured vessel enters the subarachnoid space, often related to an aneurysm. These bursts are mainly in the carotid artery circulation
(Torstar Books INC, 1984)
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Intracerebral Hemorrhage
The cause is usually hypertension and involves the small deep-penetrating blood vessels that rupture and bleed into the brain tissue
www.bestsyndication.com
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Diagnostic TestsComputed Tomography (CT/CTA)
www.carenewengland.org
Magnetic Resonance Imaging (MRI/MRA)
www.bocaradiology.com
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Cerebral Angiogramwww.patientcareonline.com
Diagnostic Tests
• Lumbar puncture
• Transcranial and Carotid Doppler
• Electrocardiography
• Echocardiography
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Blood Work• Blood analysis/Hematological workup (WBC,
Hgb, Platelet count, PT, PTT, INR)
• Fasting Lipid profile (HDL, LDL, Total Cholesterol, and Triglycerides)
• Electrolytes
• Renal screening
• Liver function tests
• C-Reactive Protein
• Pre-Albumin, Albumin
Hypercoaguable Workup
• Protein S
• Protein C
• Anti-thrombin III
• Factor V Leiden
• LAC
• Protein C Resistance
• Prothrombin gene mutation
• Anti-cardiolipin antibodies
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Vasculitic Workup
• ESR
• CRP
• Homocysteine
• ANA
• Anti-DNA
• Complete levels (C3 &C4)
Clinical Manifestations of Stroke
• Dizziness
• Absent-mindedness, or temporary loss of memory or mental ability
• Numbness or weakness in the face, arm or leg
• Garbled speech
• Eye problems, including temporary loss of sight in one eye or double vision
• Recent onset of severe headaches
www.unmc.edu/olson/education/stroke.htm
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Residual Deficits • Paralysis or Paresis (weakness)
• Sensorimotor problems (imbalance, ataxia)
• Abnormal tone
• Cognitive deficits
• Emotional lability
• Depression
• Memory and Attention Span changes
• Behavioural responses
Residual Deficits
• Language barriers
• Swallowing impairments
• Visuospatial perception impairments
• Fatigue
• Seizures
• Edema
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www.state.sc.us
Left Hemispheric Stroke
• Right hemiparesis or hemiplegia
• Analytical thinking impaired
• Mathematical computations or interpretation of symbols impaired
• Right homonymous hemianopsia
• Behavioral changes
• Language deficits
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Hemiparesis or Hemiplegia
• Weakness or paralysis of the opposite side of the body from the affected brain attack
www.csuchico.edu
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Analytical thinking and mathematical calculations
Right Hemianopsia
• Half the visual field is defective or blind
• It is a disorder of the cerebrum, not the eyes themselves
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Homonymous
Homonymous refers to the loss of vision in the temporal field of one eye and the nasal field of the other eye
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Behavioural Changes
• Cautiousness
• Hesitancy
Language deficits
• Broca’s (motor, expressive) aphasia
• Wernicke’s (sensory, receptive) aphasia
• Conduction
• Global aphasia
• Apraxia (Aphemia) of Speech
• Transcortical (motor, sensory, or mixed)
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Broca’s Aphasia
• Auditory comprehension is preserved
• Verbal response impaired• Short sentences and loss of
grammar • Nonfluent spontaneous
speech• Reading and writing is
impaired
Wernicke’s Aphasia
• Speech response preserved
• Auditory Comprehension Impaired
• Reception of verbal language impaired
• Reading comprehension and writing is impaired
• Paraphasia-substitution of one word in a sentence
• Neologisms-make up new words
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Conductive Aphasia
• Speech is preserved
• Reading is preserved but reading aloud isn’t
• Auditory Comprehension is preserved
• Reception is impaired
• Writing affected
Global Aphasia
• All aspects of speech and reception are impaired
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Apraxia (Aphemia) of Speech
• Auditory Comprehension is preserved
• Reading and writing is preserved
• Reception and naming is impaired
• Nonfluent spontaneous speech occurs
Transcortical (sensory, motor, or mixed)
• When repetition is preserved transcortical is present
• Naming and writing is impaired
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Right Hemispheric Stroke
• Left hemiplegia or hemiparesis
• Left homonymous hemianopsia
• Visuospatial disorder
• Visual disturbances
• Directional concepts undistinguishable
• Impaired ability to distinguish forms and shapes, difference between foreground/ background
• Unable to “read” nonverbal communication
Right Hemisphere Stroke
• Somatognosia-unable to recognize own body parts and how they relate to others
• Anosognosia-denial of the extent of the paralysis or disability
• Unilateral neglect• Behavioural changes-impulsive, self absorbed• Emotional dysfunction-depression/euphoria • Self care disorders• Unrealistic judgment
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Brainstem Stroke
• A stroke located in the midbrain, pons, or medulla is a brainstem stroke. This stroke can be the result of an ischemic or hemorrhagic process.
Brainstem Stroke
• Dysarthria or Anarthria• Dysphasia (Swallowing or chewing
impaired)• Ataxia• Balance/Coordination/Vertigo (with nausea)• Nausea and Vomiting• Visual Disturbances• Vertigo
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Brainstem Stroke
• Tinnitus
• Sensory / perceptual disturbances
• Respiratory disturbances
• Hypothermia
• Decreased LOC
• Coma
• Locked in syndrome (Pons)
Nursing Assessment• Neurological Assessment
• Musculoskeletal Assessment
• FIM
• Subjective Data
• Objective Data
• Physical Assessment
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Cranial Nerves
I -Olfactory Nerve
II -Optic Nerve
III -Oculomoter Nerve
IV -Trochlear Nerve
V -Trigeminal Nerve
VI -Abducens
Cranial Nerves (cont’)
• VII -Facial Nerve
• VIII -Acoustic Nerve
• IX -Glossopharyngeal Nerve
• X -Vagus Nerve
• XI -Spinal Accessory Nerve
• XII -Hypoglossal Nerve
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Cranial NervesCN1-Smell soap or Tobacco
CN2-visual acuity (near & or far), gross visual field; ophthalmoscopic exam
CN3,4,6-pupillary light response; lateral and vertical gaze
CN5-double simultaneous stimulation. Supplementary: Corneal blink reflex
CN7-Smile; Supplementary: brow wrinkling
CN8-hear fingertips moving. Supplementary: lateralize deficit on humming
CN9,10-gag reflex
CN11-shoulder elevation
CN12-stick out tongue
(Goldberg 1992)
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Nursing Assessment• Health Perception/Management Pattern• Swallowing • Bowel and Bladder function• Mobility/spasticity /shoulder • Sleep patterns• Cognition / Language / Speech• Perception /Sensory• Self-Perceptual Alterations• Role-Relationship Perception• Sexuality Reproductive Patterns• Emotional / Coping• Value and Beliefs
Health Perception / ManagementDiagnosis Interventions
• Impaired Perception • Encourage adherence in recommended treatments
• Educate
• Monitor adoption of treatments in daily routines
• Modify treatment if adoption fails
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NutritionDiagnosis Interventions
• Impaired Swallowing • Supervised Meals• Modified diet• Incorporate behavioral
strategies and positioning
• Monitor for aspiration• Education • Supplemental feeds
via G-tube
NutritionDiagnosis Interventions
• Imbalanced nutrition: less than body requirements
• Weights• Nutritional monitoring• Ability to self/assistance • Fluid monitoring• Electrolyte monitoring• Weight gain strategies
(bring in food from home)
• Medication management with supplements
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Elimination - BowelDiagnoses Interventions
• Bowel incontinence• Bowel constipation
• Establish bowel management routines
• Monitor for accidents• Diet changes• Adequate fluid intake• High fibre foods• Encourage mobility• Medications• Education
Elimination – BladderDiagnoses Interventions
• Bladder incontinence
• Retention• Urgency• Hesitancy
• Complete bladder investigations
• Adequate fluid intake
• Establish routines based on investigations
• Medications
• Awareness/Cognition
• Safety concerns
• Incorporate urinary devices
• Educate on S&S of UTI
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Mobility/ spasticity/ shoulderDiagnosis Interventions
• Impaired mobility
(bed, transfers, wheelchair mobility, and ambulation)
• Establish routines in partnership with OT/PT/Nursing
• Monitor for fatigue, strength and impulsiveness
• Establish functional positioning patterns for bed/WC/walking
• Encourage independent bed mobility
Bobath-NeurodevelopmentalTherapeutic Approach
• Adopted specifically for the care of`stroke clients
• Client is taught the sensation of movement, not the movement itself
• Due to the brain injury the client will develop abnormal patterns of positioning, Positioning patterns are implemented for laying, sitting and ambulating
(Hoeman, 2002; p213)
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Mobility/spasticity /shoulderDiagnosis Interventions
• Impaired risk for skin integrity
• Observation of skin integrity• Encourage strategies to assess &
reduce breakdown• Assess for information transfer into
daily routines• Turning/mobility/positioning
routines/schedules• Incorporate aids provided by OT• Education of prevention &
treatment of skin breakdown
Mobility/spasticity /shoulderDiagnosis Interventions
• Impaired mobility due to Spasticity
• Evaluate impact of spasticity on self care, transfers, mobility, sleep and pain regularly
• Evaluate response to treatments modalities
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Mobility/spasticity /shoulderDiagnosis Interventions
• Impaired shoulder mobility and prevention of subluxation
• Positioning patterns established and reinforced
• ROM exercises • Reinforce protection of
affected limb during transfers, etc
• Slings/Shoulder strapping?• Evaluate comfort from
treatment modalities
SleepDiagnosis Interventions
• Disturbed sleep pattern
• Safety consideration
• Incorporate sleep hygiene techniques
• Evaluate impact of rest on daily activities
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CognitionDiagnosis Interventions
• Impaired Memory • Evaluate orientation, short and long term memory regularly
• Introduce and encourage familiar visual prompts, memory book, and cueing
• Reduce chances of confusion with familiar surroundings and rituals
CognitionDiagnosis Interventions
• Impaired problem solving skills
• Assist with problem solving
• Provide organized list to assist with common tasks that may require solutions
• Incorporate problem solving aids into daily routine
• Cue as needed
• Monitor for impulsiveness/safety
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CognitionDiagnosis Interventions
• Impaired Communication
• Encourage established means of communication
• Provide time to communicate
• Evaluate comprehension of interaction
• Promote opportunities to communicate and interact socially
• Educate client and family
• Support exercises and strategies by Speech
Perceptual AlterationsDiagnosis Interventions
• Sensory/perceptual alteration: olfactory (smell)
• Sensory/perceptual alteration: gustatory (taste)
• Environmental management
• Safety measures
• Education
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Perceptual AlterationsDiagnosis Interventions
• Sensory/perceptual alteration: touch & sensation
• Safety
• Education
Perceptual AlterationsDiagnosis Interventions
• Unilateral Neglect • Avoid using (L) and (R) in terminology
• Safety issues/hazards
• Cue & train to observe and use affected side
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PainDiagnosis Interventions
• Pain • Assess pain using appropriate scales (VAS)
• Active listening• Medications• Coping strategies• Positioning• Cold/ heat modalities• Biofeedback/acupuncture/
TENS• Relaxation
Self-PerceptionDiagnosis Interventions
• Impaired Self -perception
• Observe actions and provide safety
• Provide feedback regarding perception
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SexualityDiagnosis Interventions
• Altered Sexuality patterns
• Obtain permission to discuss issues
• Identify perceived limitations and changes that have occurred
• Appropriate diagnostic test performed to identify current function
• Education on disease process related to sexuality
• Sexual education and counseling
Coping /StressDiagnosis Interventions
• Insufficient Coping • Assist the client to adapt to perceived stressors
• Mutual goal setting
• Introduce coping strategies, open dialog and professional assistance if perceived necessary
• Emotional support
• Anger management
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Value / BeliefDiagnosis Interventions
• Values, Goals, Beliefs • Support and respect conflicting beliefs
• Ensure values, goals and belief are incorporated into the overall rehab plan
PreventionDiagnosis Interventions
• Impaired Respiratory function
• Evaluate for potential aspirations
• Evaluate for signs of decreased respiratory status
• Maintain and encourage mobility
• Educate strategies to remain healthy
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DefinitionsAgnosia-inability to recognize sensory stimuli(somatic, visual, auditory, or tactile)Anomia- Loss of the ability to name objects or
remember names of peopleAnarthria-Total loss of articulation; location of
damage is brainstemAphasia-The loss of ability to speak or understand
spoken or written languageApraxia-The inability to plan or execute a movement
to function or participate in activity. Types include: constructional, dressing, motor, idiomotor, and ideational.
Definitions
Dysarthria-Weakness or altered neuronal control of the muscles responsible for speech production or defective sensory feedback regarding their movement.
Dysphagia- Impairment of the ability to swallow.
Neologisms-nonsense or nonexistent words.
Paraphasia-substitution of one word for another.
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BibliographyDerstine, J. and Drayton Hargrove,S. (2001). Comprehensive
Rehabilitation Nursing. W. B. Sunders Company, Pennsylvania.
Edwards, P. (2000). The Specialty Practice of Rehabilitation Nursing: A Core Curriculum 4th Ed. ARN, Illinois.
Gillen, G. and Burkhardt, A. (2004). Stroke Rehabilitation A Function-Based Approach 2nd Ed. Mosby, Missouri.
Goldberg, S. (1992). The four-minute neurological exam. Miami, Florida: MedMaster Inc. p.47
Hoeman, S. (2002). Rehabilitation Nursing Process, Application, and Outcomes 3Ed. Mosby, Missouri.
The Brain: Mystery of Matter and Mind(1984). Torstar Books; New York.
Bibliography
www.who.int/…/news/releases/2004/pr68/en/