Sorin Kim, Gyuwon Cha, Jooyoung Kim, Jun-Sik Cho, Hwi-Yool Kim
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In group C (n = 6), a 2.5-mm fully threaded headless cannulated screw and an antirotation pin were used. A mechanical test was conducted to apply a single axial compressive load to the femoral head.</p><p><strong>Results: </strong>9 adult small-breed dogs weighing 3.6 to 8.3 kg (mean ± SD; 5.9 ± 1.6). The mean maximum failure load was highest in group C (495 ± 81 N), followed by group B (454 ± 50.4 N), and then group A (222 ± 21.6 N). Significant differences in maximum failure load were observed between groups A and B as well as groups A and C but not between groups B and C.</p><p><strong>Conclusion: </strong>The use of fully threaded headless cannulated screws presents a promising method for internal fixation of canine femoral neck fractures.</p><p><strong>Clinical relevance: </strong>To demonstrate the potential stability and reliability of fully threaded headless cannulated screws.</p>","PeriodicalId":7754,"journal":{"name":"American journal of veterinary research","volume":" ","pages":""},"PeriodicalIF":1.3000,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"The use of fully threaded headless cannulated screws for femoral neck fracture fixation in small-breed dogs show promise in cadaveric study.\",\"authors\":\"Sorin Kim, Gyuwon Cha, Jooyoung Kim, Jun-Sik Cho, Hwi-Yool Kim\",\"doi\":\"10.2460/ajvr.24.05.0133\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Objective: </strong>To biomechanically evaluate the stability of internal fixation methods for femoral neck fractures in small-breed dogs. 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引用次数: 0
摘要
目的：对小型犬股骨颈骨折内固定方法的稳定性进行生物力学评估：从生物力学角度评估小型犬股骨颈骨折内固定方法的稳定性。此外，还评估了在固定方法中用全螺纹无头套管螺钉取代有头螺钉的可能性：研究于 2023 年 12 月 12 日至 2024 年 2 月 7 日进行。本研究共使用了来自 9 具犬尸体的 18 根股骨。在 A 组（n = 6）中，造成简单的颈部骨折后，用三根 1.1 毫米的平行 Kirschner 线（K 线）稳定骨折。B 组（n = 6）使用 3.0 毫米部分螺纹插管螺钉和防旋转针。C 组（n = 6）使用 2.5 毫米全螺纹无头套管螺钉和防转针。对股骨头进行单轴向压缩负荷的机械测试：9只成年小型犬，体重从3.6公斤到8.3公斤不等（平均值±标准差；5.9±1.6）。C组的平均最大破坏载荷最高（495 ± 81 N），其次是B组（454 ± 50.4 N），然后是A组（222 ± 21.6 N）。A 组和 B 组之间以及 A 组和 C 组之间的最大破坏载荷存在显著差异，但 B 组和 C 组之间没有差异：结论：使用全螺纹无头套管螺钉是犬股骨颈骨折内固定的一种可行方法：临床意义：证明全螺纹无头套管螺钉潜在的稳定性和可靠性。
The use of fully threaded headless cannulated screws for femoral neck fracture fixation in small-breed dogs show promise in cadaveric study.
Objective: To biomechanically evaluate the stability of internal fixation methods for femoral neck fractures in small-breed dogs. Furthermore, the possibility of replacing the headed screw with fully threaded headless cannulated screws in the fixation method was assessed.
Methods: The study was conducted from December 12, 2023, to February 7, 2024. A total of 18 femurs from 9 canine cadavers were used in this study. After a simple neck fracture was created, in group A (n = 6), the fracture was stabilized with three 1.1-mm parallel Kirschner wires (K-wires). In group B (n = 6), a 3.0-mm partially threaded cannulated screw and an antirotation pin were used. In group C (n = 6), a 2.5-mm fully threaded headless cannulated screw and an antirotation pin were used. A mechanical test was conducted to apply a single axial compressive load to the femoral head.
Results: 9 adult small-breed dogs weighing 3.6 to 8.3 kg (mean ± SD; 5.9 ± 1.6). The mean maximum failure load was highest in group C (495 ± 81 N), followed by group B (454 ± 50.4 N), and then group A (222 ± 21.6 N). Significant differences in maximum failure load were observed between groups A and B as well as groups A and C but not between groups B and C.
Conclusion: The use of fully threaded headless cannulated screws presents a promising method for internal fixation of canine femoral neck fractures.
Clinical relevance: To demonstrate the potential stability and reliability of fully threaded headless cannulated screws.
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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