Thorsmark Høj Anders, Villa Chiara, Christensen Ole M, Torp-Pedersen Søren, Overgaard Søren, Frich Lars H
Department of Orthopedic Surgery and Traumatology, Holbæk Hospital, Holbæk, Denmark; Orthopedic Research Unit, Department of Orthopedic Surgery and Traumatology, Odense University Hospital, Odense, Denmark.
Department of Forensic Medicine, Laboratory of Biological Anthropology, University of Copenhagen, Copenhagen, Denmark.
Ultrasound Med Biol. 2017 Aug;43(8):1722-1728. doi: 10.1016/j.ultrasmedbio.2017.04.005. Epub 2017 May 19.
Accurate clavicular length measurement is considered important for the selection of patients requiring surgical treatment after a midclavicular fracture. As radiographic length measurements can be inaccurate to varying degrees, new measurement methods are needed. Use of novel technology, navigation ultrasound, to deliver accurate measurements seems promising. To examine the reliability and validity of navigation ultrasound for length measurements of the clavicle, a study was performed using length measurements performed before forensic autopsies from 2012 to 2013. In total, 38 bodies with a median age of 52.5 (range: 21-78 y) were included. Navigation ultrasound exhibited high reliability (intra-class correlation coefficient: 0.942-0.997, standard error of the mean: 0.7-2.9 mm, minimal detectable change: 2.3-8.1 mm) and validity (measurement error: 1.3%-1.8%, limits of agreement (95% confidence interval): approximately ± 7.5 mm, Pearson's correlation R: 0.948-0.974). Navigation ultrasound can measure clavicular length with an intra-rater reliability matching that of 3-D rendered computed tomography scans and with high validity. Its use could spread to other fields requiring accurate musculoskeletal length measurements.
准确测量锁骨长度对于选择锁骨中段骨折后需要手术治疗的患者被认为是很重要的。由于X线片长度测量可能在不同程度上不准确，因此需要新的测量方法。使用新技术——导航超声来进行准确测量似乎很有前景。为了检验导航超声测量锁骨长度的可靠性和有效性，利用2012年至2013年法医尸检前进行的长度测量开展了一项研究。总共纳入了38具尸体，中位年龄为52.5岁（范围：21 - 78岁）。导航超声显示出高可靠性（组内相关系数：0.942 - 0.997，平均标准误差：0.7 - 2.9毫米，最小可检测变化：2.3 - 8.1毫米）和有效性（测量误差：1.3% - 1.8%，一致性界限（95%置信区间）：约±7.5毫米，皮尔逊相关系数R：0.948 - 0.974）。导航超声能够测量锁骨长度，其测量者内可靠性与三维重建计算机断层扫描相当，且有效性高。它的应用可能会扩展到其他需要准确测量肌肉骨骼长度的领域。
