Amit Sharma, Siddhartha Sinha, Sumit Gupta, Anand Gupta, Amit Narang, Parul Sharma, Rajesh K Kanojia
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The anthropometric parameters measured independently by two observers were AL, olecranon to fifth metacarpal head (OMD), tibial tuberosity to medial malleolus (TT-MM), tibial tuberosity to medial malleolus minus 20 mm (TT-MM-20 mm) and knee joint line to medial malleolus minus 40 mm (KJL-MM-40) and compared to final nail size used intraoperatively. Two observers were used. Bland-Altman plots were constructed to assess the limits of agreement to intraoperative estimates of optimum nail length. A repeatability assessment was also assessed by both observers.</p><p><strong>Results: </strong>None of the anthropometric parameters showed limits of agreement within ±10 mm of nail length. AL showed the least average difference and best limits of agreement among all the anthropometric parameters. Among the lower limb parameters, the KJL-MM showed the least average difference but poorer limits of agreement to nail length. The OMD measurement showed a greater average difference than the AL indicating it is a poorer upper limb parameter for predicting nail length.</p><p><strong>Conclusion: </strong>AL as measured between the angle of the acromion to the lateral epicondyle can be used as a preoperative upper limb anthropometric estimate of nail length to one nail size of the optimum length. Further studies with a larger sample size may reduce the confidence intervals and help justify its wider use.</p><p><strong>How to cite this article: </strong>Sharma A, Sinha S, Gupta S, <i>et al.</i> Evaluation of Arm Length as a New Upper Limb Anthropometric Method for Preoperative Estimation of Tibial Intramedullary Nail Length. 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The anthropometric parameters measured independently by two observers were AL, olecranon to fifth metacarpal head (OMD), tibial tuberosity to medial malleolus (TT-MM), tibial tuberosity to medial malleolus minus 20 mm (TT-MM-20 mm) and knee joint line to medial malleolus minus 40 mm (KJL-MM-40) and compared to final nail size used intraoperatively. Two observers were used. Bland-Altman plots were constructed to assess the limits of agreement to intraoperative estimates of optimum nail length. A repeatability assessment was also assessed by both observers.</p><p><strong>Results: </strong>None of the anthropometric parameters showed limits of agreement within ±10 mm of nail length. AL showed the least average difference and best limits of agreement among all the anthropometric parameters. Among the lower limb parameters, the KJL-MM showed the least average difference but poorer limits of agreement to nail length. The OMD measurement showed a greater average difference than the AL indicating it is a poorer upper limb parameter for predicting nail length.</p><p><strong>Conclusion: </strong>AL as measured between the angle of the acromion to the lateral epicondyle can be used as a preoperative upper limb anthropometric estimate of nail length to one nail size of the optimum length. Further studies with a larger sample size may reduce the confidence intervals and help justify its wider use.</p><p><strong>How to cite this article: </strong>Sharma A, Sinha S, Gupta S, <i>et al.</i> Evaluation of Arm Length as a New Upper Limb Anthropometric Method for Preoperative Estimation of Tibial Intramedullary Nail Length. 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引用次数: 0
摘要
目的和目的:评估术前使用臂长(AL)估计胫骨钉长度，并将其与各种已建立的上肢和下肢人体测量参数的准确性进行比较。材料和方法:这项前瞻性研究评估了54例患者的上肢参数，作为术中测量胫骨钉长度的可能替代方法。由两名观察员独立测量的人体测量参数为AL，鹰嘴到第五掌头(OMD)，胫骨结节到内踝(TT-MM)，胫骨结节到内踝负20 mm (TT-MM-20 mm)和膝关节线到内踝负40 mm (KJL-MM-40)，并与术中使用的最终钉尺寸进行比较。使用了两名观察员。构建Bland-Altman图来评估术中对最佳钉长估计的一致性。两位观察员还对可重复性评估进行了评估。结果:所有人体测量参数均未显示在±10mm指甲长度范围内的一致性。AL在所有人体测量参数中表现出最小的平均差异和最佳的一致限度。在下肢参数中，KJL-MM的平均差异最小，但对指甲长度的一致性限制较差。OMD测量显示比AL更大的平均差异，表明它是一个较差的上肢参数预测指甲长度。结论:肩峰与外上髁夹角之间的AL值可作为术前上肢人体测量法对甲长度的估计，达到甲的最佳长度。更大样本量的进一步研究可能会减少置信区间，并有助于证明其更广泛的使用。如何引用本文:Sharma A, Sinha S, Gupta S，等。评估臂长作为一种新的上肢人体测量方法在术前估计胫骨髓内钉长度。创伤肢体重建，2016;16(1):20-26。
Evaluation of Arm Length as a New Upper Limb Anthropometric Method for Preoperative Estimation of Tibial Intramedullary Nail Length.
Aim and objective: To assess the use of arm length (AL) for the estimation of tibial nail length preoperatively and compare its accuracy to various established upper and lower limb anthropometric parameters.
Material and methods: This prospective study of 54 patients assessed upper limb parameters as a possible alternative for intraoperatively measured tibial nail length. The anthropometric parameters measured independently by two observers were AL, olecranon to fifth metacarpal head (OMD), tibial tuberosity to medial malleolus (TT-MM), tibial tuberosity to medial malleolus minus 20 mm (TT-MM-20 mm) and knee joint line to medial malleolus minus 40 mm (KJL-MM-40) and compared to final nail size used intraoperatively. Two observers were used. Bland-Altman plots were constructed to assess the limits of agreement to intraoperative estimates of optimum nail length. A repeatability assessment was also assessed by both observers.
Results: None of the anthropometric parameters showed limits of agreement within ±10 mm of nail length. AL showed the least average difference and best limits of agreement among all the anthropometric parameters. Among the lower limb parameters, the KJL-MM showed the least average difference but poorer limits of agreement to nail length. The OMD measurement showed a greater average difference than the AL indicating it is a poorer upper limb parameter for predicting nail length.
Conclusion: AL as measured between the angle of the acromion to the lateral epicondyle can be used as a preoperative upper limb anthropometric estimate of nail length to one nail size of the optimum length. Further studies with a larger sample size may reduce the confidence intervals and help justify its wider use.
How to cite this article: Sharma A, Sinha S, Gupta S, et al. Evaluation of Arm Length as a New Upper Limb Anthropometric Method for Preoperative Estimation of Tibial Intramedullary Nail Length. Strategies Trauma Limb Reconstr 2021;16(1):20-26.
期刊介绍：
Strategies in Trauma and Limb Reconstruction is dedicated to surgeons, allied medical professionals and researchers in the field of orthopaedics and trauma. The scope of the journal is to discuss the fields of skeletal injury, and the complications thereof, congenital and acquired limb deformities and deficiencies, and orthopaedic-related infection, together with their surgical and non-surgical treatments. The journal publishes original articles, reviews, case reports, descriptions of new or recognised treatment techniques, forum discussions of clinical scenarios and relevant correspondence. It aims to provide a widely accessible source of useful information to practitioners in the field through the problem- or technique-based approach of published articles.
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