Comparison of clinical efficacy between pre-cut perforated Kirschner wire and conventional Kirschner wire in the treatment of elderly osteoporotic olecranon fractures of the ulna
Objective To study and compare the clinical efficacy of pre-cut perforated Kirschner wire and conventional Kirschner wire tension band in the treatment of osteoporotic olecranon fractures of the ulna.Methods From May 2015 to June 2019,a total of 55 elderly patients with osteoporotic olecranon of the ulna were treated by internal fixation surgery.23 cases were treated withpre-cut Kirschner wire with holes(Group A),with 9 cases classified as type Ⅰ and 14 cases as type Ⅱ according to the Mayo classification.32 cases were treated with conventional Kirschner wire tension band(Group B),with 13 cases classified as type Ⅰ and 19 cases as type Ⅱ according to Mayo classification.The fluoroscopy frequency,surgical time,postoperative visual analogue score(VAS),fracture healing time,internal fixation loosening,intraoperative bleeding,soft tissue irritation,and Broberg-Morrey score between the two groups were compared.P＜0.05 indicated a statistically significant difference.Results All 55 patients were follow-up for a period of 17 to 24 months with an average of(20.1±4.2)months after surgery.In terms of indicators such as internal fixation loosening and soft tissue irritation,the pre-cut perforated Kirschner wire(Group A)was superior to the conventional Kirschner wire tension band group(Group B),and the difference was statistically significant(P＜0.05).There was no statistically significant difference between the two groups in terms of fluoroscopy frequency,surgical time,fracture healing time,intraoperative bleeding volume,postoperative VAS,and last follow-up Broberg-Morrey score(P＞0.05).Conclusion Compared with the previous conventional Kirschner wire tension band,the pre-cut Kirschner wire with holes not only reduces the incidence of skin irritation and internal fixation loosening,but also does not increase surgical trauma,ultimately achieving good postoperative joint function.It is more suitable for the treatment of elderly osteoporotic olecranon fractures of the ulna.
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