Biocompatibility of titanium alloy implant fixation for aged patients with distal humeral fractures

doi:10.3969/j.issn.2095-4344.2016.13.009

Abstract

Abstract:

BACKGROUND: Fracture of the distal humerus is a common type of fracture. Conservative treatment or metal implant fixation can be used during the clinical treatment of elderly patients, but the choice of specific treatment options still lacks of clear conclusion.
OBJECTIVE: To explore the clinical repair effect and biocompatibility of titanium alloy implant internal fixation for aged patients with distal humeral fractures.
METHODS: A total of 41 elderly patients with humeral fractures, who were hospitalized in Danzhou Municipal First People’s Hospital from July 2011 to July 2014, were enrolled in this study. In accordance with the wishes of patients, repair program was selected. 22 patients in the control group received conservative treatment. 19 patients in the observation group received titanium alloy implant fixation. After 12 months of follow-up, elbow joint activity, elbow joint function recovery and adverse reactions were observed and compared in the two groups.
RESULTS AND CONCLUSION: After conservative treatment and internal fixation, each index score and total score of range of motion of shoulder joint were significantly higher in the two groups as compared with pre-treatment (P < 0.05). Each index score and total score were significantly higher in the observation group than in the control group (P < 0.05). Curative effect evaluation results showed four excellent patients and three good patients in the control group, eight excellent patients and four good patients in the observation group. The excellent and good rate was significantly lower in the control group than in the observation group (P < 0.05). Two patients suffered from mild inflammatory hyperplasia during taking out the fixator in the observation group, and the remaining patients did not affect inflammatory hyperplasia or capsular tissue. In the observation group, after surgery, one case experienced numbness of the ulnar nerve, which disappeared after treatment with trophic nerve. One case suffered from wound infection, which was controlled by antibiotic treatment, and did not induce a serious outcome. After follow-up, none of them had nonunion or internal fixation loosening. The results show that titanium alloy implant fixation for the treatment of distal humerus fractures can get better repair effect compared with conservative treatment, can effectively improve the elbow joint function, and titanium alloy material has good biocompatibility.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

Hu Wen-xiong, Guo Xiang. Biocompatibility of titanium alloy implant fixation for aged patients with distal humeral fractures[J]. Chinese Journal of Tissue Engineering Research, 2016, 20(13): 1888-1894.

Figures/Tables 6

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