在犬骨鹰嘴关节外骨折的尸体模型中,螺钉张力带连接法是一种可接受的替代钉张力带连接法。

IF 1.4 3区 农林科学 Q2 VETERINARY SCIENCES
American journal of veterinary research Pub Date : 2025-04-17 Print Date: 2025-07-01 DOI:10.2460/ajvr.24.12.0375
Younwoo Choo, Jooyoung Kim, Jun-Sik Cho, Sorin Kim, Hwi-Yool Kim
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引用次数: 0

摘要

目的:比较犬鹰嘴骨折3种固定方法的最大破坏载荷和破坏方式,评价用螺钉+张力带固定(TBW)方法代替销+张力带固定方法的可行性。方法:取9具犬尸体(10.3 ~ 16.4 kg) 18只尺骨,随机分为3组(n = 6)进行手术。手术和生物力学测试从2024年6月14日至10月7日进行。尺骨横截骨即刻在近突处进行,垂直于尾侧皮质。第一组采用2根1.2 mm克氏针和2号FiberWire引针张力带布线技术。第二组采用TBW方法,采用部分螺纹空心螺钉和#2 FiberWire。第三组采用TBW方法,但使用全螺纹无头空心螺钉和#2 FiberWire。使用万能试验机进行生物力学测试以施加拉力。结果:组1 (n = 6)、组2 (n = 6)、组3 (n = 6)的最大失效载荷分别为351.3±22.2 n、345.78±25.6 n、326.3±18.2 n。各组间最大失效负荷无显著差异。结论:本研究表明TBW螺钉是犬关节外横鹰嘴骨折内固定的可行选择。临床意义:本研究结果提示全螺纹无头空心螺钉可有效应用于受拉力作用的部位。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Screw with tension band wiring method is an acceptable alternative to pins with tension band wiring in a canine cadaver model of extra-articular olecranon fracture.

Objective: To compare the maximum failure load and failure mode among 3 fixation methods for canine olecranon fractures and evaluate the feasibility of replacing the pin and tension band wiring method with screw plus tension band wiring (TBW) methods.

Methods: 18 ulnas from 9 canine cadavers (10.3 to 16.4 kg) were collected and randomly assigned to 3 groups (n = 6) for surgical procedures. Surgical procedures and biomechanical testing were performed from June 14 through October 7, 2024. A transverse ulnar osteotomy was performed immediately proximal to the anconeal process and aligned perpendicularly to the caudal cortex. In group 1, the pin and tension band wiring technique was employed using 2 1.2-mm Kirschner wires and #2 FiberWire. Group 2 applied the screw TBW method using a partially threaded cannulated screw and #2 FiberWire. Group 3 used the screw TBW method but with a fully threaded headless cannulated screw and #2 FiberWire. Biomechanical testing was conducted to apply tensile forces using a universal testing machine.

Results: Maximum failure loads of groups 1 (n = 6), 2 (n = 6), and 3 (n = 6) were 351.3 ± 22.2 N, 345.78 ± 25.6 N, and 326.3 ± 18.2 N, respectively. No significant difference was observed in maximum failure loads among the groups.

Conclusions: This study suggests that the screw with TBW methods represent viable alternatives for internal fixation in extra-articular transverse olecranon fractures in dogs.

Clinical relevance: This study's results imply that fully threaded headless cannulated screws can be effectively applied to areas under tensile forces.

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来源期刊
CiteScore
1.70
自引率
10.00%
发文量
186
审稿时长
3 months
期刊介绍: The American Journal of Veterinary Research supports the collaborative exchange of information between researchers and clinicians by publishing novel research findings that bridge the gulf between basic research and clinical practice or that help to translate laboratory research and preclinical studies to the development of clinical trials and clinical practice. The journal welcomes submission of high-quality original studies and review articles in a wide range of scientific fields, including anatomy, anesthesiology, animal welfare, behavior, epidemiology, genetics, heredity, infectious disease, molecular biology, oncology, pharmacology, pathogenic mechanisms, physiology, surgery, theriogenology, toxicology, and vaccinology. Species of interest include production animals, companion animals, equids, exotic animals, birds, reptiles, and wild and marine animals. Reports of laboratory animal studies and studies involving the use of animals as experimental models of human diseases are considered only when the study results are of demonstrable benefit to the species used in the research or to another species of veterinary interest. Other fields of interest or animals species are not necessarily excluded from consideration, but such reports must focus on novel research findings. Submitted papers must make an original and substantial contribution to the veterinary medicine knowledge base; preliminary studies are not appropriate.
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