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Treatment of Neurodegenerative Dz
N/A
74
Health Care
Not Applicable
11/27/2011

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Cards

Term
What is Multiple Sclerosis
Definition
-Chronic disabling demyelinating dz of the CNS
Term
What characterizes MS
Definition
-multiple neurological signs and symptoms determined by the location of the lesions

-periods of exacerbations and remissions
Term
what is gliosis
Definition
the proliferation of neuroglial tissue within the CNS and results in glial scars(plaques)
Term
Relapsing-remitting MS
Definition
-characterized by relapses with either full recovery or some remaining neurological S&S and residual deficit upon recovery

-the periods between relapses are characterized by lack of dz progression
Term
Primary-progressive MS
Definition
-characterized by dz progression from onset, without plateaus or remissions or without occasional plateaus and temporary minor improvements
Term
Secondary-progressive MS
Definition
-characterized by initial relapsing-remitting course, followed by progression at a variable rate that may also include occasional relapses and minor remissions
Term
Progressive-relapsing MS
Definition
-Characterized by progressive dz from onset but without clear acute relapses that may or may not have some recovery or remission

-common in people who develope dz after 40
Term
Malignant MS
Definition
-characterized by rapid progression leading to significant disability or death within a relatively short time after onset
Term
What is Lhermitte's sign
Definition
-a common sign of posterior column damage in the spinal cord

-flexion of the neck produces an electric shock-like sensation running down the spine and into the LE
Term
What are some general common symptoms of MS
Definition
-Sensory impairment
-Pain
-Visual impairment
-Cognitive impairment
-Emotional
-Motor impairment
-Bladder involvement
-sexual dysfunction
-Bowel involvment
-Speech and swallowing dysfunction
Term
What is a exacerbation in MS
Definition
-new and recurrent MS symptoms that last at least 24 hours and are unrelated to another etiology
Term
What is pseudoexacerbation related to MS
Definition
-temporary worsening of MS symptoms

-typically comes and goes quickly, usually about 24 hours
Term
What is Uthoff's symptoms
Definition
-an adverse reaction to heat that brings about a pseudo-attack
Term
What factors can cause an exacerbation or pseudoexacerbation
Definition
-Uthoff's symptom
-viral or bacterial infection
-dz of major organs
-major life stress events
-hyperventilation, malnutrition, exhaustion, dehydration, sleep deprivation
Term
Examples of Somatosensory impairment in MS
Definition
-Paresthesias: pins and needles
-Dysesthesias: abnormal burning or aching
-Hyperpathia: hypersensitivity to minor stimuli
-Trigeminal Neuralgia
-Lhermitte's sign
Term
What are some interventions for sensory impairments in MS
Definition
-Substitute with other systems

-Augment with weights, resistance, approximation

-teach skin care and precautions to prevent breakdown

-manage pain
Term
how might you manage the pain in MS
Definition
-if musculoskeletal: use seletive stretching or exercise, splinting, US, massage, or other tissue technigues and modalities

-Pressure garments and other means to apply neutral warmth
Term
what are some general visual impairment with MS
Definition
-Nystagmus: common with cerebellar or vestibular involvment
-Diplopia occurs with uncoordinated muscle activity
-Optic neuritis: inflamation of the optic nerve; produces an ice-pick like pain behind the eye
-Scotoma: dark spot that may occur in the center of the visual field
-may lead to significant balance deficits
Term
Interventions for visual impairments in MS
Definition
-Patching for diplopia can be a temporary solution, especially if working on balance

-compensatory measures to increase safety during movement activities
Term
problems with motor impairments with MS
Definition
-Weakness can indicate damage to the corticospinal tracts or motor cortex

-poor motor unit recruitment results in slow, stiff, and weakened movement

-weakness can vary from mild paresis to total paralysis

-prolonged inactivity and disuse can also result in weakness
Term
Common motor impairments of MS
Definition
-Weakness
-Fatigue
-Spasticity
-Balance and coordination
-Ambulation and mobility
Term
Strengthening procedures for MS
Definition
-Submaximal exercise intensities with increased repititions
-balance exercise with adequate rest
-avoid exercising to the point of fatigue
-exercise at times when the patient is rested and body core temp is lowest
-exercise in a cool environment
-emphasize proximal muscle strengthening
-PNF patterns work well to help reduce increased tone
-light weights may help stabilize a patient with tremor
Term
Characteristics of spasticity in MS
Definition
-Very common
-range from mild to severe
-greater in LE than UE
-extensor tone more predominate
-does not diminish during remission
-during advanced MS, can be difficult to manage
Term
Inverventions for spasticity in MS
Definition
-Stretching
-Rotation
-Reciprical inhibition with active exercises
-positioning
-other inhibitory techniques
Term
Characteristics of fatigue in MS
Definition
-High percentage of pts report fatigue interferes with function

-over half report fatigue as the most serious symptom

-aggravated by heat and emotional distress
Term
Interventions for fatigue in MS
Definition
-energy conservation technigues

-pacing activities

-careful application and monitoring of exercise

-assistive devices

-home modifications
Term
Coordination/balance impairments in MS

Ataxia
Definition
-combination of dysmetria, dyssynergia, and dysdiadochokinesia

-progressive ataxia of the trunk and LE

-Intention tremor and postural tremor can be present

-with lesions in the cerebellum, patient can experience vertigo, nausea, and disequilibrium

-can be somatosensory ataxia
Term
Interventions for coordination/balance in MS
Definition
-Improve static control in a variety of weight bearing positions

-progress to dynamic control

-aquatics: provides support but helps slow ataxic movements

-facilitation or inhibition to promote controlled movement

-may treat central vestibular dysfunction
Term
how would you improve static control
Definition
-rhythmic stabilization

-joint approximation

-strengthening of proximal muscles
Term
How could you improve dynamic control
Definition
-PNF

-functional training

-Frenkel's

-weight shifts

-etc....
Term
How do you treat for central vestibular dysfunction
Definition
-use techniques known to be sucessful with peripheral dysfunction

-may not work as quickly and not as predictably
Term
characteristics of cognitive and behavior problems with MS
Definition
-cognitive deficits seen in about 50%, and are related to the location of the lesions

-memory, attention, concentration, reasoning, reaction time, and excutive functions are examples

-emotional dysregulation and bipolar affective disorder in advanced stages

-depression
Term
What are speech problems resulting from MS?
Definition
-muscle weakness, spasticity, tremor, or ataxia

affect as mant as 40%
Term
What is dysarthria?
Definition
-slurred or poorly articulated speech with low volume, unnatrual emphasis, and slow rate
Term
what is dysphonia?
Definition
changes in vocal quality including harshness, hoarseness, breathiness, or hypernasal sounds
Term
what is dysphagia
Definition
-difficulty in swallowing

-caused by poor coordination of the tongue and oral muscles
Term
Parkinson's Disease
Definition
-Chronic and progressive dz of the central nervous system
Term
what clinical manifestations is PD characterized by
Definition
-Rigidity

-Bradykinesia or akinesia

-Tremor

-Postural instability
Term
What is parkinsonism
Definition
-group of disorders that produce abnormalities of basal ganglia function

-Parkinson's dz = primary parkinsonism
Term
What is secondary Parkinsonism
Definition
-a number of different causes, such as medications, infections, toxins
Term
what is parkinson-plus?
Definition
-other neurodegenerative dz that affect the basal ganglia in addition to other brain structures

-does not respond to anti-Parkinson meds
Term
Medical management of PD
Definition
-control symptoms and slow progression
Term
Pharmacological management of PD
Definition
-L-dopa
-Neuroprotective therapy (MAOs)
-dopamine inhibitors
-anticholinergic agents
Term
Dopamine replacement
Definition
-L-dopa

-used to decrease bradykinesia and rigidity

-long term use and increased dosage can result in decreased effectiveness
Term
side effects of L-dopa
Definition
-anorexia, nausea, vomiting, constipation

-mental restlessness, over activity, anxiety

-orthostatic hypotension

-dyskinesia

-sleep disturbances
Term
what are MAOs
Definition
-Monoamine Oxidase Inhibitors

-improve dopamine metabolism
Term
Dopamine inhibitors
Definition
-used in combination with L-dopa to improve effectiveness

-reduce rigidity, bradykinesia, and motor fluctuations
Term
Medication impact on treatment
Definition
-will have a direct impact on treatment success

-must be monitored
Term
Nutritional management of PD
Definition
-high protein diets can block the effectiveness of dopamine replacement

-amino acids compete with L-dopa absorption
Term
Surgical management of PD
Definition
-Stereotaxis surgery: surgical lesioning (Pallidotomy, thalamotomy)

-deep brain stimulation: blocks nerve signals that cause the symptoms

-transplantaion of dopamine delivering cells
Term
Rigidity with PD
Definition
-typically unequal in distribution
-progresses proximal to distal
-initially unilateral, progressing to whole body
-Lead pipe
-cogwheel

-can be exacerbated by mental concentration, emotional tension, or active movements
Term
secondary complication of rigidity
Definition
-decreased ROM
-postural deformity (kyphosis)
-decreased respiratory capacity
-inability to express postural adjustments for balance
-loss of reciprical gait movements
Term
Akinesia with PD
Definition
-absence of movemnt
-responsible for moments of "freezing" often seen with PD
-directly influenced by degree of rigidity, stage of dz, and drug actions
Term
Bradykinesia with PD
Definition
-slowness and difficulty maintaining movement, changing speed, and changing direction
-results in prolonged movement times during functional activities and loss of automatic movements
-often the most disabling sign of PD
-leads to increased dependence in ADL
Term
Tremor with PD
Definition
-described as resting tremor
-less severe when person is rested and/or when occupied
-aggravated by emotional stress and fatigue
Term
postural instability with PD
Definition
-1/3 of PD patients experience falls
-1 in 10 fall more than once per week

-patients have increasing difficulty with dynamic destabilizing activities
Term
contributing factors

poor cocontraction of trunk muscles during periods of instability
Definition
-bradykinesia/akinesia
-weakness
-fatigue
Term
contributing factors

-inability to use normal postural balance stategies or delayed manifestation of strategies
Definition
-rigidity
-weakness
-fatigue
-bradykinesia/akinesia or hypokinesia
Term
contributing factors

-reduced feed-forward adjustments
Definition
-rigidity
-weakness
-bradykinesia/akinesia or hypokinesia
Term
contributing factors

-loss of trunk extensor strength and postural changes that position the patient closer to anterior LOS
Definition
-rigidity
-weakness
Term
contributing factors

-inability to adapt movement strategies to a changing sensory environment
Definition
-difficulty processing visual, vestibular, and somatosensory info
Term
What are some other problems with PD
Definition
-difficulty sequential tasks
-reduction in control of habitual motor routines
-difficulty integrating two motor plans at the same time
-freezing
-fatigue
-masked face
-bradyphrenia: may have a significant impact on sucess of therapy due to increased time for thought processing
-depression
-swallowing and communication ds
-visual and sensorimotor changes
-musculoskeletal changes
-autonomic dysfunction
-cardiopulmonary dysfunction
Term
visual and sensorimotor changes with PD
Definition
-decreased blinking
-decreased eye pursuit
-decreased visual reflex responses
Term
musculoskeletal changes with PD
Definition
-decreased flexibilty
-malalignments
Term
Autonomic dysfunction with PD
Definition
-excessive sweating
-increased salivation
-bladder dysfunction
-impotence
Term
cardiopulmonary dysfunction with PD
Definition
-bradykinetic disorganization of respiratory movements
-decreased chest expansion
-deconditioning
Term
Early stage intervention with PD
Definition
-cognitive strategies or internal cues may be effective
Term
late stage intervention with PD
Definition
-external cues and adapting the environment are more effective
Term
Intervention for rigidity, loss of flexibilty and loss of mobility
Definition
-slow, rhythmic vestibular input and rotation for overall relaxation
-respiratory exercises and techniques
-PNF: rhythmic initiation to improve movement initiation
-strengthening to counteract flexed posture
-ROM with emphasis on counteracting the flexed posture
Term
strengthening consideration with PD
Definition
-be cautious when applying resistance so as not to increase tremor and muscle tension
Term
flexed posture and ROM with PD
Definition
-positioning: low load, long duration stretch

-PNF to increase ROM: contract-relax to decrease specific joint limitations

-joint mobilization

-emphasize head, trunk, and pelvic rotation
Term
Intervention for bed mobility and transfers with PD
Definition
-emphasize safe performance
-if a patient is able, mentally rehearse the action sequence before initiating movement
-decompose movement sequences: break down the movement sequences
-pay attention to the mechanics of a task and the equipment used
Term
Early stage interventions for gait and balance with PD
Definition
-conscious attention to the gait pattern
-use of video equipment, cameras, and mirrors to increase patient self awareness of problems, especially alignment
-emphasize increasing gait velocity, step length, and arm swing with focus on heel strike
-use music or a pacing partner to facilitate velocity and reprocation
-activate central pattern generators
Term
Later stage intervention for gait and balance with PD

-Freezing episodes
Definition
-identify what may trigger the episode
-observe which leg/foot has a greater tendency to freeze
-use visual cues
-rhythmic cues
-tips on other areas
-retropulsion
-propulsion (festination): identify trigger and compensate
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