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Related Experiment Videos

Ulnar variance in Kienböck's disease.

R H Gelberman, P B Salamon, J M Jurist

    The Journal of Bone and Joint Surgery. American Volume
    |July 1, 1975
    PubMed
    Summary

    Negative ulnar variance is linked to Kienbock

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    Area of Science:

    • Orthopedics
    • Radiology
    • Genetics

    Background:

    • Kienbock's disease is a condition affecting the wrist.
    • Ulnar variance, the difference in length between the ulna and radius, is a known factor in wrist pathology.

    Purpose of the Study:

    • To investigate the association between ulnar variance and Kienbock's disease.
    • To compare ulnar variance in Black and White populations and its relation to disease prevalence.

    Main Methods:

    • Radiographic comparison of ulnar variance in normal wrists and wrists affected by Kienbock's disease.
    • Analysis of ulnar variance in randomly selected Black and White patients.

    Main Results:

    • A statistically significant association was found between negative ulnar variance and Kienbock's disease.
    • Black patients exhibited more positive ulnar variance compared to White patients.
    • Kienbock's disease is less common in Black individuals.

    Conclusions:

    • Negative ulnar variance is a significant risk factor for developing Kienbock's disease.
    • Racial differences in ulnar variance may contribute to disparities in Kienbock's disease incidence.

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