• Quan-Zhou Wu, Shu-Ming Huang, Qi-Xun Cai, and Xu-Feng Chu.
• Department of Children Orthopaedics, Lishui Hospital Affiliated to Zhejiang University, Lishui 323000, Zhejiang, China; smhuang001@163.com.
• Zhongguo Gu Shang. 2017 Jan 25; 30 (1): 19-24.

ObjectiveTo compare the complications and clinical outcome of titanium elastic nail(TEN) versus K-wire fixation(KW) for the treatment of displaced radial neck fractures in children.MethodsFrom January 2009 to December 2014, 56 children with displaced radial neck fractures were studied retrospectively according to the inclusion criteria. Based on the different methods of internal fixation, patients were divided into two groups: titanium elastic nail (TEN group) and K-wire fixation (KW group). Among 25 patients(15 males and 11 females, aged from 3 to 12 years old with an average of 8.6±2.1) treated with TEN, 16 patients had type III fractures, 19 patients had type IV fractures according to Metaizeau-Judet modified classification; 20 patients were treated with closed reduction and 5 patients were treated with open reduction; the time from injury to treatment ranged from 1 to 8 days with an average of (3.6±1.7) days. Among 31 patients (20 males and 11 females, aged from 3 to 11 years old with an average of 9.1±1.9 years old) treated with KW, 19 patients had type III fractures, 12 patients had type IV fractures; 22 patients were treated with closed reduction, and 9 patients were treated with open reduction; the time from injury to treatment ranged from 2 to 7 days with an average of (3.7±1.5) days. No significant differences between two groups were found in general data. Operative time, hospitalization time, healing time of fracture, internal fixation time, postoperative complications and function recovery of the two groups were compared and evaluated.ResultsThe average follow-up period of the patients was 22.1 months in TEN group(ranged, 16 to 48 months), and 21.9 months in KW group(ranged, 13 to 48 months). There were no significant differences between these 2 groups in follow-up duration, average hospitalization time and fracture healing time. The operation time, hospital costs and internal fixation time in TEN group were (56.6±11.8) min, (18 000±3 000) Yuan(RMB), (9.1±2.5) weeks respectively; and in KW group were(45.5±10.3) min, (8 000±1 000) Yuan(RMB), (4.8±1.6) weeks respectively, there were significant differences between two groups(P<0.05). Outcome scores according to Metaizeau and Tibone-Stoltz had no significant differences between two groups(P>0.05).ConclusionsThere is no significant difference of therapeutic effects between TEN and KW for children with displaced radial neck fractures. Because the removal of TEN fixation requires the secondary anesthesia, and the TEN costs significantly more than KW, TEN still can't replace the traditional KW for the treatment of radial neck fracture in children.

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