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Published on: November 13, 2016
Closed intramedullary fixation for metacarpal fractures using J-shaped nail
Eichi Itadera1, Ryou Hiwatari, Hideshige Moriya
1Department of Orthopaedic Surgery, Kashima Rosai Hospital, Kamisu, Ibaraki Pref., Japan. itadera@bekkoame.ne.jp
Summary
A novel J-shaped nail fixation effectively treats metacarpal fractures, achieving excellent union and clinical outcomes. This technique shows promise for specific fracture types without severe soft tissue damage.
Area of Science:
- Orthopedic Surgery
- Trauma Management
Background:
- Metacarpal fractures are common hand injuries.
- Current fixation methods may have limitations.
Purpose of the Study:
- To evaluate a new J-shaped nail intramedullary fixation technique for metacarpal fractures.
- To assess the efficacy and safety of this novel approach.
Main Methods:
- A J-shaped nail (2.0 mm Kirschner wire) was used for intramedullary fixation.
- The technique was applied to 21 metacarpal fractures in 18 patients.
Main Results:
- All 21 fractures achieved successful union.
- Excellent clinical and radiographic results were observed in uncomplicated cases.
- No mechanical irritation of the skin or tendons occurred.
Conclusions:
- The J-shaped nail intramedullary fixation is a viable technique for metacarpal neck and transverse shaft fractures.
- It is particularly effective in cases without significant concomitant injuries.

