用于冠状突骨折固定的缝线纽扣系统：一项生物力学零时间点初步研究。
Suture button systems for coronoid fracture fixation: a biomechanical time-zero pilot study.
作者信息
Lappen Sebastian, Kadantsev Pavel, Bohnet Daniel, Geyer Stephanie, Hinz Maximilian, Marx Christian, Braun Sepp, Siebenlist Sebastian
机构信息
Department of Sports Orthopaedics, Klinikum rechts der Isar (Technical University of Munich), Ismaninger Straße 22, 81675, Munich, Germany.
Department for Orthopedics, St. Vinzenz Klinik, Pfronten, Germany.
出版信息
BMC Musculoskelet Disord. 2025 Jan 9;26(1):32. doi: 10.1186/s12891-024-08209-z.
PURPOSE
This study aims to describe a fixation technique for coronoid fractures using suture buttons, and to biomechanically evaluate this technique in comparison to screw fixation as a time-zero pilot study.
METHODS
An O'Driscoll type 2 anteromedial coronoid facet (AMCF) fracture was simulated in 20 fresh-frozen human elbows. The specimens were randomized into two groups and fracture fixation was performed with either a suture button system or a 3.5 mm cannulated screw. Ultimate load-to-failure (N) was then tested for each specimen.
RESULTS
The mean load-to-failure was 322.6 ± 75.9 N for suture button fixation and 314.2 ± 85.9 N for screw fixation. The differences were not statistically significant (p = 0.432). Additional fracturing of the coronoid fragment was observed in two specimens with screw fixation.
CONCLUSION
Promising biomechanical evaluations show that this fixation technique using suture buttons in the treatment of coronoid fractures provides equal construct stability as screw fixation. Further studies are required to fully validate this procedure.
目的
本研究旨在描述一种使用缝合纽扣治疗冠状突骨折的固定技术，并作为一项零时先导研究，与螺钉固定相比，对该技术进行生物力学评估。
方法
在20个新鲜冷冻的人体肘部模拟O'Driscoll 2型前内侧冠状突小面（AMCF）骨折。将标本随机分为两组，分别用缝合纽扣系统或3.5毫米空心螺钉进行骨折固定。然后对每个标本进行极限破坏载荷（N）测试。
结果
缝合纽扣固定的平均破坏载荷为322.6±75.9 N，螺钉固定为314.2±85.9 N。差异无统计学意义（p = 0.432）。在两个采用螺钉固定的标本中观察到冠状突碎片的额外骨折。
结论
有前景的生物力学评估表明，这种使用缝合纽扣治疗冠状突骨折的固定技术与螺钉固定具有同等的结构稳定性。需要进一步研究以充分验证该方法。
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