Background
Methods
Study population
Preoperative diagnostics
Surgical procedure
Assessment of clinical and functional outcome
Postoperative rehabilitation
Statistical analysis
Ethical considerations
Results
Baseline characteristics
Analysis of clinical and functional outcome
Parameter | Preoperative | Postoperative | Significance |
---|---|---|---|
VISA-P score | 55.56 ± 12.44 | 95.43 ± 8.06 |
P < 0.0001 |
Modified Blazina score | 4.07 ± 0.78 | 0.30 ± 0.60 |
P < 0.0001 |
Pain (VAS) | 5.73 ± 1.31 | 0.50 ± 1.01 |
P < 0.0001 |
Subjective Knee Function (SANE) | 45.00 ± 17.76 | 91.50 ± 8.72 |
P < 0.0001 |
Mean Time Period for Return to Sports [months] | 4.03 ± 3.18 |
Parameter | N | Percent | N | Percent | N | Percent |
---|---|---|---|---|---|---|
All patients | <30y | ≥30y | ||||
VISA-P | ||||||
Excellent | 1 | 3.33 | 1 | 5.56 | 0 | 0 |
Full | 21 | 70.0 | 13 | 72.22 | 8 | 66.67 |
Good | 7 | 23.33 | 4 | 22.22 | 3 | 25.00 |
Unsatisfactory | 1 | 3.33 | 0 | 0 | 1 | 8.33 |
BlazinaBlazina | ||||||
0 | 23 | 76.67 | 16 | 88.89 | 7 | 58.33 |
1 | 5 | 16.67 | 1 | 11.11 | 3 | 25 |
2 | 2 | 6.67 | 0 | 0 | 2 | 16.67 |
VAS | ||||||
0 | 22 | 73.33 | 16 | 88.89 | 6 | 50 |
1 | 4 | 13.33 | 2 | 11.11 | 2 | 16.67 |
2 | 2 | 6.67 | 0 | 0 | 2 | 16.67 |
3 | 1 | 3.33 | 0 | 0 | 1 | 8.33 |
4 | 1 | 3.33 | 0 | 0 | 1 | 8.33 |
SANE | ||||||
Excellent | 4 | 13.33 | 3 | 16.67 | 1 | 8.33 |
Full | 10 | 33.33 | 7 | 38.89 | 3 | 25 |
Good | 12 | 40 | 7 | 38.89 | 5 | 41.67 |
Satisfactory | 2 | 6.67 | 1 | 5.56 | 1 | 8.33 |
Unsatisfactory | 2 | 6.67 | 0 | 0 | 2 | 16.67 |
Parameter | 4 years follow-up | 8 years follow-up | Significance |
---|---|---|---|
VAS preoperatively | 5.68 ± 1.08 | 5.73 ± 1.31 |
P = 0.862 |
VISA-P preoperatively | 57.29 ± 11.35 | 55.07 ± 12.44 |
P = 0.997 |
Blazina preoperatively | 4.03 ± 0.75 | 4.07 ± 0.79 |
P = 0.909 |
VAS postoperatively | 0.57 ± 1.19 | 0.52 ± 1.02 |
P = 0.898 |
VISA-P postoperatively | 95.07 ± 8.18 | 95.28 ± 8.15 |
P = 0.970 |
Blazina postoperatively | 33 ± 0.66 | 0.31 ± 0.60 |
P = 0.854 |
Return to Sports (months) | 4.35 ± 3.29 | 4.03 ± 3.23 |
P = 1.000 |
SANE | 1.48 ± 0.85 | 1.37 ± 0.77 |
P = 0.880 |
Patient Satisfaction preoperatively | 48.87 ± 18.15 | 45.33 ± 17.76 |
P = 0.996 |
Patient Satisfaction postoperatively | 89.19 ± 12.05 | 90.00 ± 11.52 | P = 0.997 |
Recurrence of symptoms | 1.90 ± 0.30 | 1.87 ± 0.35 |
P = 0.654 |
Influence of age and level of performance
Parameter | < 30y | ≥ 30y | Significance |
---|---|---|---|
VISA-P preoperative | 56.33 ± 14.07 | 54.42 ± 10.0 |
P = 0.1297 |
VISA-P score postoperative | 96.89 ± 5.75 | 93.25 ± 10.56 |
P = 0.6138 |
Modified Blazina score preoperative | 4.22 ± 0.80 | 3.83 ± 0.72 |
P = 0.1760 |
Modified Blazina score postoperative | 0.11 ± 0.32 | 0.58 ± 0.79 |
P = 0.0448 |
Pain (VAS) preoperative | 6.06 ± 1.43 | 5.25 ± 0.97 |
P = 0.1259 |
Pain (VAS) postoperative | 0.11 ± 0.32 | 1.08 ± 1.38 |
P = 0.0122 |
Subjective Knee Function (SANE) preoperative | 48.06 ± 17.67 | 40.42 ± 17.64 |
P = 0.2665 |
Subjective Knee Function (SANE) postoperative | 94.17 ± 5.75 | 87.50 ± 10.98 |
P = 0.0819 |
Mean Time Period for Return to Sports [months] | 3.69 ± 2.60 | 4.54 ± 3.96 |
P = 0.9316 |
Influence of MRI abnormalities
Parameter | MRI IFP edema | Total | |||
---|---|---|---|---|---|
No | Yes | ||||
Level of Sports | Professional | N (%) | 2 (15.4%) | 9 (50%) | 11 (36.4%) |
Amateur | N (%) | 10 (84.6%) | 9 (50%) | 19 (63.3%) | |
Total | N (%) | 12 (100%) | 18 (100%) | 30 (100%) |