Antegrade Intramedullary Pinning in Subacute Fifth Metacarpal Neck Fracture After Failed Conservative Treatment: A Prospective Comparative Study With Acute Fracture

Purpose The purposes of this study were to evaluate the efficacy of antegrade intramedullary pinning performed for neck fractures with angulations of over 30 degrees after failed conservative treatment during the subacute phase and to compare the radiologic and clinical results with those of acute fractures with angulations of over 30 degrees treated via the same procedure. Methods Seventy-three patients with a fifth metacarpal neck fracture were admitted to our institute between January 2010 and April 2015. Among them, 26 patients with an acute fracture (group 1) and 27 patients with a subacute fracture after failed conservative treatment who met the inclusion/exclusion criteria were investigated. After surgery, improvements in angulation and shortening, visual analog scale score for postoperative pain, Disabilities of the Arm, Shoulder, and Hand score, active range of motion, and grip strength were evaluated and compared. Results The mean durations of surgery from injury were 4.92 and 32.74 days in groups 1 and 2, respectively, with a significant difference (P 0.05). At the final follow-up, the angulation had definitively improved compared with before surgery in both groups (P

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