Table 7.
Summary Outcomes Categorized by Ulnar Variance
| Ulnar variance | |||||
|---|---|---|---|---|---|
|
| |||||
| Author | Classification (%) | Mean (mm) |
Outcomes (%) | Palmer classification |
Further surgery (%) |
|
| |||||
| Osterman, 1990 | Positive: 15/52 (29) | N/A | Failure rate | 1A: 46% | Darrach procedure: 1/52 (2) |
| Neutral: 20/52 (39) | Positive: 2/12 (17) | 1B: 20% | USO: 1/52 (2) | ||
| Negative: 17/52 (32) | Neutral: 2/16 (13) | 1D: 34% | |||
| Negative: 1/13 (8) | |||||
|
| |||||
| De Smet et al, 1996 | Positive: 5/13 (38) | N/A | Satisfaction | Sauvé-Kapandji procedure | |
| Neutral: 7/13 (54) | Positive: 3/4 (75) | Positive: 2/5 (40) | |||
| Negative: 1/13 (8) | Neutral: 2/7 (29) | Neutral: 1/7 (14) | |||
| Negative: 1/1 (100) | |||||
|
| |||||
| Minami et al, 1996 | Positive: 5/16 (31) | N/A | Satisfaction | USO | |
| Neutral: 9/16 (56) | Positive: 2/5 (40) | Positive: 2/5 (40) | |||
| Negative: 2/16 (13) | Neutral: 9/9 (100) | ||||
| Negative: 2/2 (100) | |||||
|
| |||||
| Husby et al., 2001 | Positive: 7/35 (20) | N/A | MMWS | 1A: 74% | N/A |
| Neutral: 22/35 (63) | Positive: 90 | 1D: 17% | |||
| Negative: 6/35 (17) | 2C: 6% | ||||
| 2D: 3% | |||||
|
| |||||
| Darlis et al., 2005 | Positive: 1/20 (5) | N/A | N/A | 1A: 70% | USO |
| neutral: 16/20 (80) | 1D: 10% | Positive: 1/1 (100) | |||
| negative: 3/20 (15) | II: 20% | ||||
|
| |||||
| Nishizuka et al., 2013 | Positive: 7/14 (50) | 0.7 | Pain | N/A | |
| Neutral + Negative: 7/14 (50) | Positive: 4.0 | ||||
| Neutral + Negative: 2.8 | |||||
|
| |||||
| Broccoli, et al., 2014 | Positive: 10/22 (45) | N/A | Pain | Palmar 2A, 2C, 2D or 2E | USO |
| Neutral + Negative: 12/22 (55) | Positive: 1.0 | Positive: 9/10 (90) | |||
| Neutral + Negative: 1.3 | Neutral + Negative: 0/12 | ||||
| DASH | |||||
| Positive: 32.3 | |||||
| Neutral + Negative: 28.5 | |||||
| MMWS | |||||
| Positive: 75.0 | |||||
| Neutral + Negative: 78.8 | |||||
|
| |||||
| Moldner et al., 2015 | Positive 37/50(74) | 0.5 (stress view: 1.3) | Pain | 2C: 100% | USO: 9/50 |
| Neutral + negative 13/50(26) | Positive: 1.7 | Positive: 9/37 (24) | |||
| Neutral + Negative: 2.6 | Neutral + Negative: 0/13 | ||||
| DASH | (Mean ulnar variance: 2.4mm) | ||||
| Positive: 17 | |||||
| Neutral + Negative: 20 | |||||
| MMWS | |||||
| Positive: 88 | |||||
| Neutral + Negative: 91 | |||||
USO-Ulnar shortening osteotomy; DO-Debridement only group; UPV-Ulnar positive variance group; DASH-the Disabilities of the Arm, Shoulder, and Hand; MMWS-Mayo Modified Wrist Score