ISNCSCI / ASIA Examination & Cases

the ASIA Impairment Scale grade, and/or the zone of partial preservation (ZPP) when they are unable to be determined based on the examination results Muscle Function Grading ASIA Impairment Scale (AIS) Steps in Classification Sensory Grading When to Test Non-Key Muscles: 0 = Total paralysis 1 = Palpable or visible contraction

ASIA IMPAIRMENT SCALE - CareCure Forums

ASIA IMPAIRMENT SCALE innervated segments RL SENSORY MOTOR RL SENSORY MOTOR This form may be copied freely but should not be altered without permission from the American Spinal Injury Association 2000 Rev STANDARD NEUROLOGICAL CLASSIFICATION OF SPINAL CORD INJURY MOTOR SENSORY RL KEY MUSCLES RL R L C2 C2 C3 C3 C4 C4 C5 Elbow flexors C5 C6

STANDARD NEUROLOGICAL CLASSIFICATION OF SPINAL CORD INJURY

5 Determine ASIA Impairment Scale (AIS) Grade: Is injury Complete? If YES, AIS=A Record ZPP (For ZPP record lowest dermatome or myotome on each side with some (non-zero score) preservation) Is injury motor incomplete? If NO, AIS=B (Yes=voluntary anal contraction OR motor function more than three levels below the motor level on a given side )

ISNCSCI / ASIA Examination & Cases

ASIA Impairment Scale—1992 FIM incorporated, PP/LT tested separately, motor level defined as 3/5 with 5/5 above Revisions—1996 ASIA C vs D clarified; motor level determined by sensory level in areas unable to be tested (C2-4, T2-L1) Revisions—2000 ASIA C/D required to have either voluntary anal contraction OR

Etapes de la classification Echelle de déficience ASIA

Déterminer le score de déficience ASIA Est-ce une lésion complète ? Si OUI, ASIA = A et noter la zone de préservation partielle (dernier dermatome ou myotome de chaque côté avec une préservation) Est-ce une lésion motrice complète ? Si OUI, ASIA = B (Non = contraction anale volontaire OU présence d’une fonction motrice sur plus

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Table 6: Percentile Distribution of Total CHART Scores by ASIA Score 10 Table 7 : Percentile Distribution of Physical Independence Scores by Impairment Group

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UNC SCI Conference: November 7-8, 2014

1ISNCSCI / ASIA

Examination & Cases

Heather Walker, MD

SCI Medical Director

UNC Department of PM&RObjectives

Be familiar with how the ISNCSCI/ASIA exam is

performed International Standards for the Neurologic Classification of

Spinal Cord Injury

American Spinal Injury Association

Be able to define/determine the following:

Sensory level

Motor level

Neurological level of injury

Completeness of injury

AIS Classification

Be able to determine ASIA classification using practice cases

UNC SCI Conference: November 7-8, 2014

ASIA Standards

Frankel Classification - 1969

Frankel A, B, C, D, E

ASIA Standards - 1982

Modified from the Frankel Scale, further defined subgroups

ASIA Revision - 1989

Standardization of sensory anatomical landmarks; sacral sparing incorporated

ASIA Impairment Scale - 1992

FIM incorporated, PP/LT tested separately, motor level defined as 3/5 with 5/5 above.

Revisions - 1996

ASIA C vs. D clarified; motor level determined by sensory level in areas unable to be tested (C2-4, T2-L1)

Revisions - 2000

ASIA C/D required to have either voluntary anal contraction OR sensory sacral sparing w/ sparing of motor function more than three levelsbelow motor level; FIM eliminated.

More revisions!!! - 2011

Deep anal "sensation" replaced with "pressure"

Classification as C1 AIS X for patient with

impaired/absent sensation at C2 If LT/PP sensation present at S4/5 don't have to test deep anal sensation (but your finger is there anyway, so you might as well) ZPP defined as the "dermatomes and myotomes caudal to the sensory and motor levels (rather than NLI) on each side of the body that remain partially innervated" in complete SCI Emphasis on calling it the ISNCSCI exam (International

Standards for Neurological Classification of SCI)

UNC SCI Conference: November 7-8, 2014

ASIA Examination

Sensory level

Motor level

Neurological level of injury (NLI)

Complete vs. Incomplete injury

Sacral sparing

Zone of Partial Preservation (complete

injuries)

Sensory Level

28key dermatomes

Test light touch and

pinprick

Face is used as control.

Three point scale:

0 = absent

1 = impaired

2 = normal

NT = not tested

UNC SCI Conference: November 7-8, 2014

Light Touch Sensory Scoring

Use cotton tip applicator

Stroke across skin moving

over a distance that does not exceed 1 cm

For C6-C8 use dorsal surface of proximal phalanx

Chest and abdomen points should be tested in the

midclavicular line

Pinprick Sensory Scoring

Clean safety pin

Use consistent pressure

in each dermatome

Poke one time only, not repeated

Pop quiz! You test the C6 dermatome

and patient says "It feels sharp, but not as sharp as my face". What score do you assign that dermatome?

UNC SCI Conference: November 7-8, 2014

Sensory Tracts

Patient "feeling" PP but unable to differentiate

sharp and dull is simply sensing pressure - PP sensation is ABSENT.

LT = Dorsal columns

PP = Spinothalamic

tracts

Sensory Testing - perianal area

S4/5 dermatome represents the most

caudal aspect of the spinal cord

S4/5 is tested for both PP and LT

Deep anal pressure: on digital rectal exam

patient is asked to report sensory awareness. Recorded as "present" or "absent".

UNC SCI Conference: November 7-8, 2014

Determining sensory level...

Determined for right

side and left side

Defined as the level

where sensory function is normal on both sides of the body

Lowest level where you

have "2's" with all above levels being "2's"

Sensory Testing Pitfalls

Inappropriately scoring PP

as "impaired" when it should be "absent"

Unable to differentiate

between sharp and dull edges = ABSENT!!

Something about C4

Bib???

UNC SCI Conference: November 7-8, 2014

Motor Examination

10key muscle groups

Other muscles may be clinically important but do not contribute to motor scores Examine in rostral to caudal sequence (Don't Skip Around!)

Tested in supineposition

Necessary during acute period, allows for comparison later on.

6 point scale (0-5)

Only whole numbers, no plus/minus (for research purposes)

Motor Exam

1:Muscle twitch

2:Full active ROM with gravity

eliminated

3:Full active ROM against gravity

4:Able to generate some resistance

5:Normal strength

UNC SCI Conference: November 7-8, 2014

Motor Examination

Upper Extremities:

C5 = Elbow Flexors

C6 = Wrist Extensors

C7 = Elbow Extensors

C8 = Finger Flexors

T1 = Finger

AbductorsLower Extremities:

L2 =Hip Flexors

L3 = Knee Extensors

L4 = Ankle Dorsiflexors

L5 = Long Toe Extensors

S1 = Ankle Plantarflexors

Motor Testing

Test each of the ten key muscles

Record numeric values only (for research

and test-taking purposes).

Voluntary anal contraction: contraction

of EAS around examiners finger; graded as "present" or "absent"

UNC SCI Conference: November 7-8, 2014

Motor Testing - Fine points

If only minimal movement in muscle group

palpate over muscle

Pain and deconditioning may cause patient to

grade 4/5; can grade this as 5*

Score "NT" if patient not fully testable due to

pain, spasticity, uncontrolled clonus, fracture

Motor Testing - Fine points

Contractures:

What do we do???

NT if contracture limits > 50% ROM

UNC SCI Conference: November 7-8, 2014

Motor Examination

Key muscles are given a

single level on ASIA (elbow flexors = C5) for simplification.

Muscles generally

innervated by at least two roots (biceps =

C5,6).

Motor Examination

If muscle has only

rostral root intact (C5 for elbow flexors) will likely have 3/5 strength. If both C5,6 intact will have 5/5 strength.

This is important for

determining motor level!!!

UNC SCI Conference: November 7-8, 2014

Motor Score

Level at which strength is at

least 3/5 with all levels above being 5/5

Scored for each side, overall

score is last normal for both.

Left = C6

Right = C7

Overall motor score = C6

What if you can't test the motor level?

Sensory Level T8

UNC SCI Conference: November 7-8, 2014

Motor Level

1996 revision:

Sensory level is in a region that cannot be

tested (C2-4, T2-L1, S3-5) Motor level is designated as being the same as the sensory level.

If can't test motor, then motor level is

same as sensory level....

Sensory Level T8

Motor Level T8

UNC SCI Conference: November 7-8, 2014

Neurological Level of Injury

The most caudal (lowest) level at which both

motor and sensory modalities are intact on both sides of the body.

Motor >3/5 w/ levels above being 5/5

Sensory intact bilaterally for LT and PP with all

sensation above intact

If there is no key muscle for a segment that has

sensory intact (C2-4, T2-L1, S3-5), the sensory level defines the motor level and the NLI

Complete vs. Incomplete

Complete = NO sacral sparing

"NOON sign"

Incomplete = ANY sacral sparing

UNC SCI Conference: November 7-8, 2014

Sacral Sparing

1.Light touch

sensation at S4/5

2.Pinprick at S4/5

3.Deep anal pressure

4.Voluntary anal contraction

Zone of Partial Preservation

All segments below NLI with presevation

of sensory or motor findings in complete SCI.

UNC SCI Conference: November 7-8, 2014

ASIA Impairment Scale Classification

AIS A= Motor and Sensory Complete

No motor or sensory function preserved in sacral segments (S4/5)

AIS B= Sensory Incomplete

Sensory but no motor below the NLI, and includes sacral segments S4/5

AIS C= Motor Incomplete

Motor function preserved below NLI, and more than halfof the muscles have grade <3/5

AIS D= Motor Incomplete

Motor function preserved below NLI, and at least halfof the muscles have grade >3/5 AIS E= Normal; motor and sensory function are normal.

[PDF] ISNCSCI / ASIA Examination & Cases

UNC SCI Conference: November 7-8, 2014

1ISNCSCI / ASIA

Examination & Cases

Heather Walker, MD

SCI Medical Director

UNC Department of PM&RObjectives

Be familiar with how the ISNCSCI/ASIA exam is

Spinal Cord Injury

American Spinal Injury Association

Be able to define/determine the following:

Sensory level

Motor level

Neurological level of injury

Completeness of injury

AIS Classification

UNC SCI Conference: November 7-8, 2014

ASIA Standards

Frankel Classification - 1969

Frankel A, B, C, D, E

ASIA Standards - 1982

ASIA Revision - 1989

ASIA Impairment Scale - 1992

Revisions - 1996

Revisions - 2000

More revisions!!! - 2011

Deep anal "sensation" replaced with "pressure"

Classification as C1 AIS X for patient with

Standards for Neurological Classification of SCI)

UNC SCI Conference: November 7-8, 2014

ASIA Examination

Sensory level

Motor level

Neurological level of injury (NLI)

Complete vs. Incomplete injury

Sacral sparing

Zone of Partial Preservation (complete

Sensory Level

28key dermatomes

Test light touch and

Face is used as control.

Three point scale:

0 = absent

1 = impaired

2 = normal

NT = not tested

UNC SCI Conference: November 7-8, 2014

Light Touch Sensory Scoring

Use cotton tip applicator

Stroke across skin moving

For C6-C8 use dorsal surface of proximal phalanx

Chest and abdomen points should be tested in the

Pinprick Sensory Scoring

Clean safety pin

Use consistent pressure

Poke one time only, not repeated

Pop quiz! You test the C6 dermatome

UNC SCI Conference: November 7-8, 2014

Sensory Tracts

Patient "feeling" PP but unable to differentiate

LT = Dorsal columns

PP = Spinothalamic

Sensory Testing - perianal area

S4/5 dermatome represents the most

S4/5 is tested for both PP and LT

Deep anal pressure: on digital rectal exam

UNC SCI Conference: November 7-8, 2014

Determining sensory level...

Determined for right

Defined as the level

Lowest level where you

Sensory Testing Pitfalls

Inappropriately scoring PP

Unable to differentiate

Something about C4

Bib???

UNC SCI Conference: November 7-8, 2014

Motor Examination

10key muscle groups

Tested in supineposition