
Figure 1

Figure 2A

Figure 2B

Figure 1

Baseline patient and joint characteristics
| VARIABLES | UCSD SUBJECTS |
|---|---|
| Number of patients | 6 |
| Age [range] | 31 |
| Haemophilia A | 6 |
| Haemophilia B | 0 |
| Prophylactic clotting factor therapy | 6 |
| On-demand clotting factor therapy | 0 |
| Median HJHS [range] | 17.5 |
| Number of patients with: | |
| One arthropathic joint | 2 |
| Two arthropathic joints | 2 |
| Three or more arthropathic joints | 2 |
| Joints with arthropathies: | |
| Arthropathic elbows | 7 |
| Arthropathic knees | 3 |
| Arthropathic ankles | 5 |
| Total arthropathic joints | 15 |
Comparison of musculoskeletal ultrasound (MSKUS) measurements of cartilage, soft tissue proliferation*
| ELBOW | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pre | Post | Post | Pre | Post | Pre | Post | Pre | Post | Pre | Post | Pre | |
| RC01 left | RC01 right | RC03 right | RC04 left | RC05 left | RC06 right | |||||||
| Ant elbow LAX cartilage thickness (cm) | 0.07 | 0.08 | 0 | 0 | 0 | 0 | 0 | 0.08 | 0 | 0 | 0 | 0 |
| Ant elbow LAX - PD (1-3) | 1 | 2 | 2 | 0 | 2 | 2 | 2 | 0 | 2 | 0 | 2 | 1 |
| Ant elbow SAX - PD (1-3) | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 2 | 0 |
| Post elbow - fossa expansion LAX (cm) | 3.28 | 3.23 | 3.76 | 3.55 | 4.68 | 4.81 | 3.33 | 3.66 | 4.86 | 4.98 | 4.74 | 3.66 |
| Post elbow - fossa expansion SAX (cm) | 1.04 | 1.07 | 1.06 | 1.03 | 1.61 | 1.55 | 1.1 | 1.07 | 1.57 | 1.51 | 2.07 | 1.55 |
| Post elbow - fossa expansion circumference (cm) | 7.78 | 7.41 | 8.98 | 8.32 | 11.14 | 11.33 | 7.54 | 8.52 | 11.78 | 12.05 | 12.13 | 9.35 |
| Post elbow - fossa area (cm) | 1.79 | 1.61 | 1.85 | 1.74 | 3.59 | 3.34 | 1.82 | 1.87 | 5.18 | 4.76 | 5.62 | 3.28 |
| Post elbow - PD (1-3) | 2 | 1 | 2 | 2 | 2 | 1 | 3 | 0 | 2 | 2 | 2 | 2 |
| KNEE | ||||||||||||
| Pre | Post | Pre | Post | |||||||||
| RC04 right | RC06 right | |||||||||||
| Sunrise - cartilage thickness (cm) | TKA | TKA | ||||||||||
| Lateral recess (cm) | 0.53 | 0.4 | 1.81 | .054 | ||||||||
| Lateral recess - PD (1-3) | 3 | 2 | 2 | 0 | ||||||||
| Medial recess (cm) | 0.61 | 0.59 | 0.67 | 0.53 | ||||||||
| Medial recess- PD (1-3) | 2 | 1 | 0 | 3 | ||||||||
| Medial meniscus and MCL - PD (1-3) | 0 | 2 | ||||||||||
| Suprapatellar bursa - PD (1-3) | 2 | 1 | 2 | 1 | ||||||||
| ANKLE | ||||||||||||
| Pre | Post | Pre | Post | Pre | Post | Pre | Post | Pre | Post | |||
| RC01 right | RC02 left | RC04 right | RC06 left | RC06 right | ||||||||
| Ant ankle LAX - cartilage thickness (cm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Ant ankle LAX- PD (1-3) | 2 | 0 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| Ant ankle SAX - capsular interface thickness (cm) | 0.81 | 0.54 | 0.67 | 0.65 | 0.98 | 0.95 | 0.28 | 1.04 | 1.03 | 0.47 | ||
| Ant ankle SAX- PD (1-3) | 2 | 2 | 2 | 0 | 2 | 0 | 2 | 1 | 1 | 3 | ||
| Achilles tendon (cm) | 0.39 | 0.39 | 0.4 | 0.38 | ||||||||
| Sinus tarsi - PD (1-3) | 1 | 2 | 2 | 2 | ||||||||