Fifth Metacarpal Bone Boxer's Fracture Phalanx Scissoring Brace May Be

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Fifth Metacarpal Bone Boxer's Fracture Phalanx Scissoring Brace May Be

320 Warner Drive Lewiston, ID 83501 Boxer's Fracture Overview A boxer's fracture is a break of the metacarpal of the little finger. The metacarpals are the long bones in the hand that connect the fingers to the wrist. A boxer's fracture refers to a break at the end of the bone nearest the knuckle, which is called the metacarpal neck. Causes This type of fracture most commonly occurs when someone punches a hard surface (or another person) with a closed fist. Since most people punch in a roundhouse fashion, the first point of boney contact in a punch is the little finger metacarpal bone. The force concentrates at the metacarpal neck, leading to a fracture. Ironically, this is a rare injury in boxers because they are trained to punch with even force over the entire hand, maximizing force and minimizing injury. A boxer's fracture can also occur when a person stumbles and tries to Fifth metacarpal bone break his fall with a closed fist to the ground. Occasionally, direct trauma to the hand can also cause this injury. Boxer’s fracture Symptoms Common symptoms include pain, tenderness, and swelling around the knuckle of the little finger. Bruising and loss of knuckle contour are also common, and extending the finger may be difficult. In severely displaced fractures, the fingers may overlap (or scissor) when they are flexed. Phalanx Treatment Most boxer's fractures can be treated with a cast or brace to stabilize the fracture while it heals. If the knuckle is severely deformed, a procedure called a Scissoring closed reduction may be needed to push the fracture back into proper position before casting. For severe displacement, finger scissoring, or multiple metacarpal fractures, surgery may be recommended. Brace may be used during treatment www.viewmedica.com © 2009 Swarm Interactive. Unauthorized duplication is strictly forbidden..

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New Fixation Approach for Transverse Metacarpal Neck Fracture: a Biomechanical Study
Chiu et al. Journal of Orthopaedic Surgery and Research (2018) 13:183 https://doi.org/10.1186/s13018-018-0890-2 RESEARCHARTICLE Open Access New fixation approach for transverse metacarpal neck fracture: a biomechanical study Yung-Cheng Chiu1,2, Ming-Tzu Tsai3, Cheng-En Hsu4,5, Horng-Chaung Hsu1,2, Heng-Li Huang6,7 and Jui-Ting Hsu6,7* Abstract Background: Fifth metacarpal neck fracture, also known as boxer’s fracture, is the most common metacarpal fracture. Percutaneous Kirschner-wire (K-wire) pinning has been shown to produce favorable clinical results. However, the fixation power of K-wires is a major concern. Plate fixation is also a surgical option, but it has the disadvantages of tendon adhesion, requirement of secondary surgery for removal of the implant, and postoperative joint stiffness. A fixation method that causes little soft tissue damage and provides high biomechanical stability is required for patients with fifth metacarpal neck fracture for whom surgical intervention is indicated. The present study proposed fixation using K-wires and a cerclage wire to treat fifth metacarpal neck fracture. The fixation power of this new method was compared with that of K-wires alone and plates. Methods: We used a saw blade to create transverse metacarpal neck fractures in 16 artificial metacarpal bone specimens, which were then treated with four types of fixation as follows: (1) locking plate with five locking bicortical screws (LP group), (2) regular plate with five bicortical screws (RP group), (3) two K-wires (K group), and (4) two K-wires and a figure-of-eight cerclage wire (KW group).
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