J Korean Orthop Assoc.  2020 Apr;55(2):154-161. 10.4055/jkoa.2020.55.2.154.

Surgical Treatment for Longitudinal Epiphyseal Bracket of the Finger

Affiliations
  • 1Department of Orthopedic Surgery, College of Medicine, Dong-A University, Busan, Korea

Abstract

Purpose
To describe the clinical and radiology results of a surgical treatment for clinodactyly due to a longitudinal epiphyseal bracket.
Materials and Methods
This study analyzed the records of 11 patients (27 case) with clinodactyly due to a longitudinal epiphyseal bracket who underwent an osteotomy or physiolysis between March 1999 and April 2017. The preoperative range of motion of the proximal and distal interphalangeal joints, the subjective satisfaction of the patient, and the degree of angulation to the ulnar side were examined. The patients were classified into two groups: osteotomy and physiolysis. The results were reviewed retrospectively and compared according to the surgical method.
Results
The mean age of the patients who underwent osteotomy was 10.3 years. The average preoperative angle was 25.7° and the average postoperative angle was 13.5° the mean correction rate was 47.4%. The mean age of the patients who underwent physiolysis was 6.0 years the mean preoperative angle was 24.5° and the postoperative angle was 10.7°. The average correction rate was 59.4%. No significant difference in the correction angles was observed between the group who underwent the correction osteotomy and the group who underwent the osteotomy. In each group, the postoperative correction was statistically significant. The range of motion at the last follow-up was not significantly different from the preoperative range of motion.
Conclusion
In patients with clinodactyly due to longitudinal epiphyseal bracket, osteotomy or physiolysis may be performed selectively according to age, bone age, and radiological progression. Both surgical methods showed good clinical results and deformity correction.

Keyword

clinodactyly; bracket epiphysis; osteotomy; physiolysis
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