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Negative ulnar variance is not a risk factor for Kienböck's disease
K D'Hoore1, L De Smet, K Verellen
1Orthopaedic Department, K.U. Leuven, Pellenberg, Belgium.
The Journal of Hand Surgery
|March 1, 1994
Summary
Negative ulnar variance is not a significant factor in Kienböck's disease etiology. This study found no difference in ulnar variance between patients with Kienböck's disease and healthy individuals.
Area of Science:
- Orthopedics
- Radiology
- Hand Surgery
Background:
- Kienböck's disease is a condition affecting the lunate bone in the wrist.
- Ulnar variance, the relative length of the ulna compared to the radius, has been investigated as a potential risk factor.
Purpose of the Study:
- To investigate the relationship between ulnar variance and the development of Kienböck's disease.
- To determine if negative ulnar variance is a predisposing factor for Kienböck's disease.
Main Methods:
- Ulnar variance was measured in 125 normal wrists and 52 patients with Kienböck's disease.
- Measurements were taken under standardized radiographic conditions.
- A sex- and age-matched control group was used for comparison.
Main Results:
- No significant difference in ulnar variance was observed between patients with Kienböck's disease and the control group.
- A positive correlation was found between increasing age and ulnar variance.
- No significant difference in ulnar variance was found between males and females.
Conclusions:
- Negative ulnar variance does not appear to be a significant etiological factor in Kienböck's disease.
- Age is positively correlated with ulnar variance.
- Further research may explore other potential contributing factors to Kienböck's disease.