Description

The Hospital for Special Surgery in New York City used a disability sheet for the functional evaluation of patients following total knee arthroplasty. This could be followed over time to monitor the patient's recovery from surgery and response to interventions.


 

Parameters:

(1) pain (maximum 30 points)

(1a) pain on walking (maximum 15 points)

(1b) pain at rest (maximum 15 points)

(2) function (maximum 22 points)

(2a) walking and standing (maximum 12 points)

(2b) climbing stairs (maximum 5 points)

(2c) transfer activity (maximum 5 points)

(3) range of motion (maximum 18 points)

(4) muscle strength (maximum 10 points)

(5) flexure deformity (maximum points 10 points)

(6) instability (maximum 10 points)

 

Parameter

Finding

Points

pain on walking

none

15

 

mild

10

 

moderate

5

 

severe

0

pain at rest

none

15

 

mild

10

 

moderate

5

 

severe

0

walking and standing

unlimited

12

 

can walk 5 to 10 blocks; can stand more than 30 minutes

10

 

can walk 1 to 5 blocks; can stand up to 30 minutes

8

 

can walk less than 1 block

4

 

unable to walk

0

climbing stairs

capable

5

 

requires support

2

 

unable to perform

0

transfer activity

capable

5

 

requires support

2

 

unable to perform

0

range of motion

1 point for each 8° of arch

max 18

muscle strength

good; cannot break quadriceps power

10

 

good; can break quadriceps power

8

 

fair; moves though arc of motion

4

 

poor; cannot move through arc of motion

0

flexure deformity

none

10

 

a few degrees (0 to 4 degrees)

8

 

5 to 10 degrees

5

 

11 degrees or more

0

instability

none

10

 

mild (0 to 5 degrees)

8

 

moderate (6 to 15 degrees)

5

 

severe (16 degrees or more)

0

from Figure 1, page 77

 

Subtraction points:

(1) supports

(2) extension lag

(3) valgus deformity

(4) varus deformity

 

Parameter

Finding

Points

supports

none

0

 

1 cane

1

 

1 crutch

2

 

2 crutches

3

extension lag

none

0

 

5 degrees

2

 

10 degrees

3

 

15 degrees or more

5

valgus deformity

none

0

 

5 degrees

1

varus deformity

none

0

 

5 degrees

1

from remarks to Figure 1, page 77

 

where:

• For the range of motion I rounded the value (range divided by 8).

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