Table 5.
MOCART 2.0 score of unscheduled MRI at 2–5 year of follow-up
| within 2 years FU | within 3 years FU | within 4 years FU | within 5 years FU | Overall | |
|---|---|---|---|---|---|
| Number of patients$ | 12 | 2 | 4 | 7 | 23 |
| Location (retropatellar/FC/Trochlea)a | 7/5/1 | 1/0/1 | 2/1/1 | 4/5/0 | 14/11/3 |
|
Chondral lesion ICRS-Grade I/II/III/IV |
0/1/8/0 | 0/0/1/0 | 0/0/3/0 | 0/0/3/0 | 0/1/15/0 |
|
Osteochondral lesion (Burns) Grade I/II/III/IV |
0/0/2/2 | 0/0/0/1 | 0/0/0/1 | 0/0/3/3 | 0/0/5/7 |
|
Cause for follow up MRI (Trauma/Symptoms/Routine/NA) |
0/3/6/4 | 0/2/0/0 | 0/3/0/1 | 4/3/1/1 | 4/11/7/6 |
| MOCART 2.0 Score | |||||
| Average MOCART 2.0 score | 64.2 ± 15.8 (45–95) | 37.5 ± 2.5(35–40) | 50.0 ± 7.9 (40–60) | 70.6 ± 16.7 (40–90) | 62.3 ± 17.4 |
| Retropatellar | 65.7 ± 13.5 (45–85) | 40 ± 0 (40) | 57.5 ± 2.5 (55–60) | 81.25 ± 4.1 (75–85) | 67.1 ± 14.8 |
| Femural condyle | 61 ± 19.3 (45–95) | 45 ± 0 (45) | 62.0 ± 18.0 (40–90) | 60.0 ± 18.5 | |
| Trochlea | 70.0 ± 0 (70) | 35 ± 0 (35) | 40 ± 0 (40) | 48.3 ± 15.5 | |
| Detailed Variables of MOCART 2.0 | |||||
| Volume of defect repair and defect filling | 18.0 ± 3.7 (10–20) | 15 ± 5 (10–20) | 15.0 ± 6.1 (5–20) | 17.2 ± 4.1 (10–20) | 17.1 ± 4.5 |
| Subclasses (1/2a/2b/3/4/5a/5b) | 10/1/0/2/0/0/0 | 1/0/0/1/0/0/0 | 2/1/0/0/1/0/0 | 6/1/0/2/0/0/0 | 20/3/0/5/0/0/0 |
| Integration to adjacent cartilage | 10.4 ± 2.4 (5–15) | 7.5 ± 2.5 (5–10) | 7.5 ± 2.5 (5–10) | 11.7 ± 3.3 (5–15) | 10.2 ± 3.1 |
| Surface of the repair tissue | 5.4 ± 1.3 (5–10) | 5.0 ± 0 (5) | 3.75 ± 2.2 (0–5) | 7.2 ± 2.5 (5–10) | 5.7 ± 2.2 |
| Structure of the repair tissue | 1.5 ± 3.6 (0–10) | 0 ± 0 (0) | 1.3 ± 2.2 (0–5) | 0.6 ± 1.6 (0–5) | 1.1 ± 2.8 |
| Signal intensity of the repair tissue | 10.4 ± 3.6 (0–15) | 10.0 ± 0 (10) | 7.5 ± 4.3 (0–10) | 11.7 ± 2.4 (10–15) | 10.3 ± 3.5 |
| Subclasses (1/2a/2b/3a/3b) | 3/6/3/0/1 | 0/2/0/0/0 | 0/3/0/0/1 | 3/2/4/0/0 | 6/13/7/0/2 |
| Bony defect or bony overgrowth | 6.2 ± 2.9 (0–10) | 0 ± 0 (0) | 3.7 ± 4.1 (0–10) | 7.8 ± 2.5 (5–10) | 5.9 ± 3.5 |
| Subclasses (1/2a/2b/3a/3b) | 4/6/2/1/0 | 0/0/0/2/0 | 1/1/0/1/1 | 5/4/0/0/0 | 10/11/2/4/1 |
| Subchondral changes | 12.3 ± 7.5 (55–85) | 0 ± 0 (0) | 11.2 ± 7.3 (0–20) | 14.4 ± 6.4 (0–20) | 12 ± 7.7 |
| Subclasses (1/2/3/4a/4b) | 4/4/2/3/0 | 0/0/0/2/0 | 1/1/1/1/0 | 4/2/2/1/0 | 9/7/5/7/0 |
All values displayed as mean ± standard deviation (range) if not otherwise stated
FC femoral condyle, MOCART Magnetic Resonance Observation of Cartilage Repair Tissue, $ Four patients obtained two, and one patients three MRIs
aMultiple location per patient possible