cerebral palsy Flashcards

1
Q

what is cerebral palsy?

A

group of disorders of development of movement and posture, causes activity limitation,

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2
Q

what can brain lesion in CP be due to?

A
  • cortical abnormality
  • neonate infarction
  • birth trauma
  • brain infection
  • acquired injury
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3
Q

what are the main causes of CP prenatally?

A

cogential cortical abnormalities from infection/malformation/genetics

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4
Q

what are the main causes of CP perinatally?

A
  • hypoxic ischaemic encephalopathy
  • birth asphyxia
  • trauma (full term)
  • perintricular-intraventricular haemorrhage
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5
Q

what are the main causes of CP postnatally?

A
  • child abuse
  • accidents
  • viral encephalitis
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6
Q

what percentage of CP occurrence is caused prenatally?

A

70-80%

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7
Q

what percentage of CP occurrence is caused perinatally?

A

5-10%

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8
Q

what percentage of CP occurrence is caused postnatally?

A

10-20%

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9
Q

what areas are often disturbed as an accompanying factor to CP?

A
  • sensation
  • cognition
  • communication
  • perception
  • behaviour
  • seizures
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10
Q

how is vision impaired in CP?

A

cortical vision impairment

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11
Q

how is hearing impaired in CP?

A

auditory neuropathy

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12
Q

what is proprioception?

A

knowing where muscles and joints are in space

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13
Q

what is vestibular?

A

body in relation to gravity

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14
Q

what is tactile info?

A

info received primarily through skin receptors

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15
Q

what is spasticity?

A

velocity-dependent resistance to stretch

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16
Q

what often occurs with spasticity in relation to CP?

A
  • hypertonus and spasticity present
  • associated with clonus and persistent primitive reflexes
  • poor voluntary movement control
  • weakness
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17
Q

what is clonus?

A

extensor plantar response

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18
Q

what often occurs with ataxia in relation to CP?

A
  • hypotonia
  • coordination
  • tremor wide-based gait
  • balance
  • co-contraction and stability affected
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19
Q

what often occurs with dyskinesias in relation to CP?

A
  • abnormal when initiating movement in one extremity

- exhibits slow, involuntary motor movements with irregular

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20
Q

what often occurs with athetosis in relation to CP?

A

fluctuations from low to normal with little or no spasticity/poor muscle flexors and extensors

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21
Q

what often occurs with dystonic in relation to CP?

A

sustained twisted postures absent at rest and triggered by movement

22
Q

what are the range of plegias in CP?

A
  • quad
  • hemi
  • di
23
Q

what does quadriplegia affect in CP?

A

spastic quadriplegia is most severe affecting all limbs, trunk and face

24
Q

what does hemiplegia affect in CP?

A

affects one side of body usually arm more than leg

25
what does diplegia affect in CP?
muscle stiffness mainly in legs, with arms less affected or not at all
26
what is the purpose o the communication function classification systems (CFCS) for CP?
classify everyday communication performance into one or five levels, focus on activity ad participation
27
how do you distinguish between levels in the CFCS?
based on performance of sender and receiver orles, pace, type of conversational partner
28
what is the manual ability classification system (MACS) based on?
gross motor function. measure systm
29
what is a type 5 flexion for wrist deformity in hand function for CP?
mild.
30
what is a type 4 flexion for wrist deformity in hand function for CP?
moderate
31
what is a type 2 and 3 flexion for wrist deformity in hand function for CP?
severe
32
what is a type 0 and 1 flexion for wrist deformity in hand function for CP?
very severe
33
what occurs with type 5 mild flexion wrist deformity?
mild dynamic flexion and forearm pronation, no fixed contractures, independent control
34
what occurs with type 4 moderate flexion wrist deformity?
includes some fixed flexion contracture of wrist but good active finger extension
35
what occurs with type 2 and 3 subtype 1 severe flexion wrist deformity?
contracted flexors cannot be passively extended with wirst passively extended
36
what occurs with type 2 and 3 subtype 2 severe flexion wrist deformity?
they have finger extension with wrist passive extension but finger extensor deficiency without flexor contracture
37
what occurs with type 0 and 1 very severe flexion wrist deformity?
severe fixed wrist flexion contractures getting max of -20 to 0 degrees of wrist extension,minimal hand function
38
what is a type I pattern of thumb deformity?
spastciity mainly in adductor pollicus and first dorsal interosseous causing metacarpal adduction
39
what is a type II pattern of thumb deformity?
metacarpal is adducted, but MCP joint is flexed. contarcture of adductor usually
40
what is a type III pattern of thumb deformity?
metacarpal adducted and MCP hyperextended. prone to instability and subluxation
41
what is a type IV pattern of thumb deformity?
thumb adducted, contracture of flexor pollicus longus usually fixed contracture of MCP often more than 90 degrees
42
what is level I of the MACS?
handles objects easily and successfully
43
what is level II of the MACS?
handles most objects but with somewhat reduced quality and or speed of achievement
44
what is level III of the MACS?
handles objects with difficulty needs help to prepare and or modify activities
45
what is level IV of the MACS?
handles limited selection of easily managed objects in adapted situations
46
what is level V of the MACS?
does not handle objecys and has severly limited ability to perform even simple action, requires total assistance
47
what is involved in GMFS level I?
walk indoor/outdoor and climb stairs without limitation. gross motor skills are impaired
48
what is level II of the MACS?
walk indoors/outdoors and climbs stairs holding onto railing but limitations on uneven surafces, wlaking in corwds, incline
49
what is level III of the MACS?
walk indoors/outdoors on level surface with assistive device and may climb stairsusing rail may use wheelchair when travelling long distance or on uneven terrain
50
what is level IV of the MACS?
use methodsof mobility usually require adult assistance. may walks hort distance with assistance at home but use wheeled assitance outside
51
what is level V of the MACS?
restricted voluntary control of movement and ability to maintain antigravity head and posture position. All motor function impaired and no independent mobility