Table 2.
Distributions of factors related to final results within studies.
| Study | Number of patients | Follow-up (mo) | Outcome measure | Results | Complications | Conclusion |
|---|---|---|---|---|---|---|
| Pujol et al [25]. | Group R: 29 Group C: 25 |
Group R: 12 Group C: 12 |
IKDC, Lysholm, KOOS, Rolimeter® knee tester | IKDC, Lysholm, and KOOS improved in both groups Anterior laxity on Rolimeter®: 1.24 mm in group R vs. 1.87 mm in group C |
Cyclops lesions: 1 in group R | No difference in functional scores between groups Better short-term control of anterior laxity in group R than in group C |
|
| ||||||
| Zhang et al. [21] | Group R: 27 Group C: 24 |
Group R: 24.4 Group C: 25.2 |
Lysholm, KT-1000 knee arthrometer Radiographs: tibial tunnel widening |
Lysholm and KT-1000 improved in both groups Tibial tunnel widening: 12.9 ± 1.0 mm in group R vs. 13.9 ± 1.3 mm in group C |
NA | No difference in functional score and joint stability between groups Better tibial tunnel widening outcome in group R |
|
| ||||||
| Demirag et al. [23] | Group R: 20 Group C: 20 |
Group R: 24.3 Group C: 24.3 |
IKDC and Lysholm Radiographs: tibial tunnel widening |
IKDC and Lysholm improved in both groups Tibial tunnel widening: 7.7 ± 0.5 mm in group R vs. 7.9 ± 0.5 mm in group C |
Flexion loss: 7 in each group Cyclops lesions: 1 in group R |
No differences in functional scores between groups Better tibial tunnel widening outcome in group R |
|
| ||||||
| Gohil et al. [19] | Group R: 24 Group C: 25 |
Group R: 12 Group C: 12 |
IKDC, KT-1000 knee arthrometer One-legged hop test MRI |
IKDC and KT-1000 improved in both groups MRI: significant reduction in midsubstance signal in group R at 2 and 6 mo postoperatively |
Extension loss: 2 in each group | Earlier revascularization in group R than in group C |
|
| ||||||
| Lu et al. [22] | Group R: 36 Group C: 36 |
Group R: 34.7 Group C: 39.6 |
IKDC, Lysholm, Tegner, KT-2000 knee arthrometer Second-look arthroscopy |
Better outcomes of IKDC, Lysholm, and KT-2000 in group R than in group C Evaluation of graft quality on arthroscopy: 4.6 ± 1.6 scores in group R vs. 3.9 ± 2.0 scores in group C |
Knee instability: 2 in group C | Faster ROM recovery, higher subjective outcome scores, and better second-look arthroscopy in group R than in group C |
|
| ||||||
| Hong et al. [24] | Group R: 39 Group C: 41 |
Group R: 25.8 Group C: 25.5 |
IKDC, Lysholm, KT-1000 knee arthrometer Second-look arthroscopy Proprioceptive testing: RPP test |
IKDC, Lysholm, and KT-1000 improved in both groups Second-look arthroscopy: >50% graft synovial coverage in 20/28 in group R vs. 19/27 in group C RPP test: 3.6° ± 1.8° in group R vs. 3.9° ± 2.2° in group C |
Cyclops lesions: 3 in each group | No differences in stability, functional scores, revascularization, and proprioceptive outcomes between groups |
|
| ||||||
| Naraoka et al. [15] | Group R: 77 Group C: 74 |
Group R: 24 Group C: 24 |
Lysholm, KT-1000 knee arthrometer Magnetic resonance imaging: MRI |
Lysholm and KT-1000 improved in both groups MRI: similar result of maturation scores and tibial tunnel integration scores between groups |
Rerupture: 5 in group R and 6 in group C | No difference in stability and graft incorporation between groups |
|
| ||||||
| Nakayama et al. [16] | Group R: 50 Group C: 75 |
Group R: 12 Group C: 12 |
Heel height difference, Lysholm, KT-1000 knee arthrometer Second-look arthroscopy |
Lysholm and KT-1000 improved in both groups Second-look arthroscopy: 92% good status of grafts in group R vs. 59% good in group C |
Extension loss: 6 in group R and 3 in group C | Better tissue healing but higher incidence of extension loss in group R than in group C |
|
| ||||||
| Kondo et al. [17] | Group R: 81 Group C: 98 |
Group R: 24 Group C: 24 |
IKDC, Lysholm, KT-2000 knee arthrometer 3-Dimensional computed tomography: 3D-CT Second-look arthroscopy |
No difference in IKDC and 3D-CT between groups Anterior laxity on KT-2000 : 43/81 < 1 mm in group R vs. 33/98 < 1 mm in group C Second-look arthroscopy: excellent status of grafts in 59/81 in group R vs. 37/98 in group C |
Cyclops lesions: 9 in group R and 8 in group C (no symptoms) | Postoperative knee stability significantly improved in group R |
|
| ||||||
| Chen et al. [18] | Group R: 38 Group C: 73 |
Group R: 120.8 Group C: 122.9 |
IKDC, Lysholm, KOOS, Tegner Radiography |
Better scores of IKDC, Lysholm, KOOS, and Tegner in group R than in group C at 6 mo postoperatively | Screw-related problem: 3 in R and 2 in C Donor site morbidity: 3 in C Superficial infection: 1 in C Synovitis: 1 in R |
Earlier symptom relief and restoration of function in group R than in group C |
|
| ||||||
| Rushton et al. [20] | Group R: 45 Group C: 45 |
Group R: 12 Group C: 12 |
IKDC, KT-2000 knee arthrometer ACL-QOL (ACL-quality of life) |
IKDC improved in both groups ACL-QOL: improved scores of 54.7 in group R vs. 46.1 in group C Side-to-side difference on KT-2000 : 2.1 ± 1.3 mm in group R vs. 3.0 ± 1.7 mm in group C |
Cyclops lesions:1 in group R | Better knee stability and quality of life in group R than in group C |
R, remnant; C, control; NA, not available; IKDC, International Knee Documentation Committee; KOOS, Knee Injury and Osteoarthritis Outcome Score.