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not practise sports (patients 3 and 4 – Table 2).
Two patients decreased in activity level
because of residual knee pain (patients 8 and
12) but follow-up was only at 6 and 9 months,
respectively.Functional outcomes were not
statistically influenced by age, time between
index surgery and arthrolysis, or associated
surgical procedures such as menisectomy or
ACL graft shaving during arthrolysis.
One patient (patient 7) complained of knee
instability 6 months after arthrolysis. In this
case, the ACL graft had to be resected in order
to obtain full extension at the end of the
procedure, and ACL revision using hamstring
Patients
Follow-up
after
arthrolysis
(months)
Extension
Flexion
Objective IKDC Subjective
IKDC Activity level
*
Patient
satisfaction
(scale of 10)
Pre-
operative
Post-
operative
Pre-
operative
Post-
operative
Pre-
operative
Post-
operative
Post-
operative
Pre-
injury
At
follow
up
At follow up
1
33
-10
0
110
140
C
B
92
I
I
10
2
22
-10
0
100
140
C
A
95
I
I
9
3
22
-20
0
120
140
C
B
79
IV IV
10
4
90
-15
0
110
140
D
A
87
IV IV
9
5
28
-30
0
110
130
D
A
82
I
I
9
6
35
-20
0
120
140
C
A
99
II
II
9
7
14
-15
0
130
130
D
B
98
II
II
10
8
9
-15
0
130
130
D
B
70
I
III
9
9
40
-15
0
80
125
C
B
80
II
II
9
10
65
-15
0
110
140
D
A
98
II
II
10
11
86
-10
5
120
140
D
B
78
II
II
8
12
6
-20
0
110
130
D
B
79
II
IV
9
Average
(range)
± SD
38 (6-90)
-16.25°
± 5.7
0.4°
± 1.4
112.5°
±13.6
135.4°
± 5.8
86.4
± 9.7
9,25
± 0,6
Table 2:
Postoperative clinical outcomes.
*Class I: jumping, pivoting, hard cutting, soccer. Class II: heavy manual work, skiing and tennis.
Class III: light manual work, jogging and running. Class IV: sedentary work and activities of daily living.