J Korean Foot Ankle Soc.  2007 Dec;11(2):141-144.

Evaluation of the Radiographic Contributing Factors of Hallux Valgus Interphalangeus

Affiliations
  • 1Department of Orthopaedic Surgery, Konkuk University School of Medicine, Seoul, Korea. jungfoot@hanmail.net

Abstract

PURPOSE: To statistically evaluate the contributing role of the 3 radiographic factors (Obliquity, Asymmetry, Joint deviation) of the hallux valgus interphalangeus with comparison to the normal control group.
MATERIALS AND METHODS
The study is based on the standing foot AP radiographs of the 77 feet (56 patients) of the hallux valgus interphalangeus out of 119 feet of randomly sampled patients of the age range 20 to 60. Fractures or other foot disorders have been excluded. Obliquity, asymmetry and joint deviation factors formed by proximal and distal phalanges of hallux are measured by one observer and evaluated the statistical significance of the contribution of the 3 factors to the hallux interphalangeal angle (HIA).
RESULTS
The average age of the patients were 36.0 years old and average HIA was 14.5 degrees +/- 2.8 degrees. Obliquity was measured 4.8 degrees +/- 2.90 degrees, asymmetry 8.2 degrees +/- 3.28 degrees and joint deviation 2.0 degrees +/- 1.85 degrees. All 3 factors showed the statistical significance as the contributing factors to the HIA and among them, the asymmetry played the biggest role (p<0.05).
CONCLUSION
Hallux interphalangeal angle is formed by 3 radiographic factors (Obliquity, Asymmetry, Joint deviation), and among them the asymmetry factor plays the biggest role.

Keyword

Hallux valgus interphalangeus; Radiographic contributing factors

MeSH Terms

Foot
Hallux Valgus*
Hallux*
Humans
Joints
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