Volar Locking T-plate fixation of Dorsally Displaced Unstable Distal Radius Fractures

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Journal of the Korean Society for Surgery of the Hand 2005;10(3):123-128.
Published online September 1, 2005.

Choong-Hyeok Choi, Jae-Hong Jung, Kwang-Hyun Lee, Il-Hoon Sung, Ki-Houn Son

후방으로 전위된 불안정 원위 요골 골절에서 수장측 도달법에 의한 T형 잠김 금속판 고정술

최충혁, 정재홍, 이광현, 성일훈, 손기훈

Abstract

Object: Various dorsal Plates have been introduced in concept of buttress plate or bridge plate to fix comminuted dorsal cortex in dorsally displaced distal radius fractures. But, there are many reports about complications of dorsal plates, for example extensor tendon rupture. Recently volar locking plates were introduced. So, we reported results of locking T-plate with volar approach. Material and method: We surveyed 23 patients, 24 cases from Jan. 2004 to Dec. 2004, who were treated dorsally displaced distal radius comminuted fracture with volar locking T-plate. There were 16 men and 7 women, and mean age was 45.2(17~67) years. We classified these fracture according to AO classification and analyzed the functional results with Mayo wrist score and radiographic results with radial length, radial inclination, volar tilting and reduction loss. Result: Average follow-up duration was 11 months. There were 11 cases of C1, 8 of C2 and 4 of C3 according to AO classification. We got anatomical reduction in all cases. Average radial height was 14(9~16) mm, radial inclination was 22¡Æ(16~26), and volar tilt was 10¡Æ(6~3) in radiographic examination. At last follow-up, there were no reduction loss of volar tilt(>6¡Æ) or radial height(>2 mm) or articular margin step off(>1 mm). Average Mayo wrist scroe was 92.3 points with 13 excellent, 6 good and 4 fair. There were no complications. Conclusion: In dorsally displaced comminuted distal radius fractures, we could get anatomical reduction and satisfactory functional results with volar locking T-plates in short term follow up.

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