Table 1
Summary of all available studies on combined UKR and ACL reconstruction.
| Author | Year | Patients number | Mean age (range) [SD] | Male/female ratio | Mean follow-up (range) [SD] | Post-op mean outcome score (range) [SD] | Bearing type | Graft type | Complications (rate) |
|---|---|---|---|---|---|---|---|---|---|
| Pandit | 2006 | 15 | 49.8 (36–60) | 13:2 | 2.8 (2.5–4.3) years | OKS: 46 (37–48) | Mobile | 3 BPTB | 1 (6.7%) Infection and two-stage revision to a TKR |
| KSS objective: 99 (95–100) | 11 Hamstrings | ||||||||
| KSS functional: 96 (85–100) | |||||||||
| Tegner activity level: 3.8 (3–6) | |||||||||
| Krishnan | 2009 | 9 | 56 (50–64) | 5:4 | 24 (12–60) months | WOMAC: 24 (21–27) | Fixed | 8 BPTB | None |
| OKS: 11 (10–12) | 1 Hamstrings | ||||||||
| KSS: 196 (190–200) | |||||||||
| Tinius | 2012 | 27 | 44 (38–53) | 11:16 | 50 (9–71) months | OKS: 166 [12.1] | Fixed | Hamstrings | None |
| KSS objective: 83.2 [6.8] | |||||||||
| KSS functional: 82.7 [8.2] | |||||||||
| Weston-Simons | 2012 | 51 | 51 (36–67) | 40:11 | 60 (12–120) months | OKS: 41 (17–48) | Mobile | (?) BPTB | 1 (2%) Infection and two-stage revision to a TKR |
| AKS functional score: 95 (45–100) | (?) Hamstrings | 1 (2%) Bearing dislocation | |||||||
| AKS Objective Score: 75 (25–95) | 1 (2%) Symptomatic lateral osteoarthritis and conversion to TKR | ||||||||
| Tegner activity level: 3.5 (1–5) | |||||||||
| Tian | 2016 | 28 | 50.5 (41–60) | 10:18 | 52 (24–96) months | OKS: 43 [4.2] | Mobile | Hamstrings | 2 (7%) Bearing dislocation |
| KSS Objective: 84.5 [6.3] | |||||||||
| KSS Functional: 86.9 [5.3] | |||||||||
| Tegner activity level: 5.3 [0.8] | |||||||||
| Iriberri | 2018 | 8 | 52 (42–60) | 5:3 | 175 (117–258) months | KSS: 154 (102–200) | Fixed | Hamstrings | 1 (12.5%) Symptomatic lateral osteoarthritis and conversion to TKR |
| WOMAC: 26 (1–52) | 1 (12.5%) external meniscus tear repair | ||||||||
| VAS: 3 (0–7) | |||||||||
| Tecame | 2019 | 24 | 47.8 (41–53) | 20:4 | 53 [8.3] months | WOMAC: 79.3 [7.3] mobile, 81.3 [7.6] fixed | 9 Mobile | Hamstrings | None |
| 48.4 (43–54) | 42 [6.7] months | KSS functional: 86.2 [6.2] mobile, 84.7 [5.9] fixed | 15 Fixed | ||||||
| KSS objective: 73.4 [9.3] mobile, 77.3 [10.5] fixed | |||||||||
| Kennedy | 2019 | 75 | 52.6 (36–71) | 59:16 | 6.4 (1–15) years | OKS: 41 (11–48) | Mobile | Hamstrings | 3 (3.9%) revisions to TKR |
| Tegner activity level: 3.6 (0–8) | |||||||||
| Ventura | 2019 | 12 | 54 [3.9] | 8:4 | 7.8 (6–10) years | KOOS: 80.2 [11.7] | Fixed | Hamstrings | 1 (8.3%) Symptomatic lateral osteoarthritis and conversion to TKR |
| OKS: 42.4 [8.9] | |||||||||
| WOMAC: 84.9 [9.3] | |||||||||
| AKS objective score: 75 [13.5] | |||||||||
| AKS functional score: 88 [16.2] | |||||||||
| Kurien | 2022 | 24 | 48.8 (38.3–71.0) | 16:8 | 5.1 (1.3–12.8) years | Lysholm: 92 (90–96) | Fixed | (?) BPTB | 1 (4.1%) undisplaced anterior cortex fracture of the medial tibial plateau and 1 (4.1%) iatrogenic Grade 2 injury to the medial collateral ligament treated conservatively |
| OKS: 46 (44–47) | (?) Hamstrings | ||||||||
| Tegner activity level: 3.96 [0.98] | (?) Allograft | ||||||||
| VAS: 0 (0–0) | |||||||||
| Jaber | 2023 | 23 | 48 (44–69) | 18:5 | 10 (6–14.5) years | Lysholm: 85.5 (44–100) | Mobile | Hamstrings | 2 (8.6%) revisions with conversion to total knee arthroplasty at 6 and 12 years postoperatively |
| OKS: 40 (29–48) | |||||||||
| Tegner activity level: 3.6 (0–7) | |||||||||
| VAS: 1.3 (0–5) | |||||||||
| UCLA Activity Level: 6.7 (4–8) | |||||||||
| AKS objective score: 91.5 (74–100) | |||||||||
| AKS functional score: 90 (50–100) | |||||||||
| Foissey | 2023 | 10 | 57 (48–70) | 2:8 | 45 (24–66) months | IKS knee score: 96 (88–100) | Fixed | Hamstrings | 2 (20%) re-operations due to postoperative stiffness |
| IKS function score: 93 (74–100) | |||||||||
| Tegner activity level: 4.5 (3–6) |
UKR: unicompartmental knee replacement; ACL: anterior cruciate ligament; TKR: total knee replacement; SD: Standard deviation; BPTB: Bone-Patellar tendon-Bone; KOOS: Knee Osteoarthritis Outcome Score; OKS: Oxford Knee Score; KSS: Knee Society Score; WOMAC: Western Ontario and McMaster; AKS: American Knee Society; VAS: Visual Analog Scale; UCLA: University of California at Los Angeles; IKS: International Knee Society.
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