Correlation between tibial nail length and olecrenon to 5th metacarpal head measurement: An anthropometric study

Hegde, Atmananda; Mohammed, Nabeel; Ahmed, Naufal Rizwan

doi:10.1016/j.cjtee.2019.07.002

Cited by 5 publications

(4 citation statements)

References 8 publications

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“…On regression analysis, they showed age, gender and BMI have no statistically significant bearings on these parameters. 10 This study has shown wide limits of agreement using OMD as a predictor for nail length.…”

Section: Discussionmentioning

confidence: 71%

Evaluation of Arm Length as a New Upper Limb Anthropometric Method for Preoperative Estimation of Tibial Intramedullary Nail Length

Sharma¹,

Sinha²,

Gupta³

et al. 2021

Strategies in Trauma and Limb Reconstruction

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A bstract 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.

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Section: Discussionmentioning

confidence: 71%

Evaluation of Arm Length as a New Upper Limb Anthropometric Method for Preoperative Estimation of Tibial Intramedullary Nail Length

Sharma¹,

Sinha²,

Gupta³

et al. 2021

Strategies in Trauma and Limb Reconstruction

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“…However, due to the reasons such as obesity, density of subcutaneous fatty tissue, the presence of wounds and lesions on landmarks, fracture of the contralateral tibia, and inability to perform appropriate measurements due to edema of crus pushed orthopedic surgeons to search for landmarks from other parts of the body. 6,12 For these reasons, the OM, in which bone landmarks are easily determined, was used. Studies using these AM in the literature have obtained variable results in calculating the possible NL.…”

Section: Resultsmentioning

confidence: 99%

Formulae derived from Anthropometric Measurements to Estimate Ideal Tibial Nail Length

Albay¹,

Kaygusuz²

2021

Acta ortop. bras.

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Introduction: Ideal Nail Length (INL) provides better outcomes after Intramedullary Nailing (IMN) of Tibia Shaft Fractures (TSF). Intraoperative methods do not allow for preoperative planning. Changing the nail may cause complications. X-rays are commonly used, but displacement or magnification errors may occur. Forearm measurements may be benefical in bilateral TSF. We aim to examine correlations of anthropometric measurements (AMs) and INL and use them to obtain formulae. Materials and methods: Tuberositas Tibia-Medial Malleolus (TM), Tuberositas Tibia-Ankle joint (TA), knee-ankle joint (JJ), and olecranon tip-5th Metacarpal head (OM) distances were evaluated in 76 IMN patients. Correlation analyses were performed and the results used to create formulae. Results: The correlations between INL and TM-left, TM-right, TA-left, TA-right, OM-left, OM-right, JJ-left, JJ-right were 0.81, 0.83, 0.77, 0.77, 0.82, 0.80, 0.90, 0.91 respectively for males; and 0.93, 0.89, 0.88, 0.86, 0.80, 0.82, 0.90, 0.89 respectively for females. AMs show excellent correlation in both sexes (p<0.0001). Regression analysis was statistically significant in all formulae. The most compatible correlations in males were JJ-right and JJ-left; and in females, TM-left, TM-right, and JJ-right. Conclusion: The most compatible correlations wth INL were JJ in males, and TM and JJ in females. OM can be used in the presence of bilateral TSF, edema, wounds and obesity. AMs are useful preoperatively. The formulae can be used to ensure INL and reduce errors, time and radiation. Level of Evidence: Level I, Testing of previously developed diagnostic criteria on consecutive patients (with the universally applied reference gold standard).

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“…Although there are studies in the literature with anthropometric methods [ 4 , 14 , 15 ] such as measuring the distance between the olecranon-fifth metacarpal head or with different measurement methods such as measuring the opposite extremity on radiography [ 3 , 9 , 10 ], there are limited studies evaluating the actual length of nails used with ideal length. Moreover, it is possible to come across studies that do not recommend the use of this anthropometric measurement due to its very low accuracy (51%) [ 4 ].…”

Section: Discussionmentioning

confidence: 99%

Can the Length of the Tibia Nail Be Predicted Correctly Before the Operation According to the Patient’s Height and Shoe Size?

Şahin,

Kazdal

et al. 2024

Cureus

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Objective: Although various methods have been identified for the appropriate tibial nail length, there are disadvantages such as extra time, radiation exposure, and additional cost. We aimed to predict the ideal length of the nail according to the patient's height and shoe size in the preoperative period to eliminate these disadvantages. Materials and Methods: Between January 2018 and August 2023, the height and shoe size data of 71 patients who were diagnosed with tibial shaft fracture and had tibia intramedullary nail fixation were determined. A linear regression model was applied to the normally distributed data. The correlation coefficient between the variables was evaluated according to the Pearson correlation coefficient. Results: While 1 1-centimeter (cm) increase in patient height causes an increase of 3.2 millimeters (mm) in nail length, it was found that it alone contributed by 89% to predicting the ideal nail length (p<0.001). An increase of 1 unit in shoe size (EU) causes an increase of 9 mm in nail length; its contribution to predicting the ideal nail length alone is 84% (p<0.001). In the evaluation of the patient's height and shoe size together, it was observed that they jointly contributed 91% to the accurate estimation of the nail length (p<0.001). Conclusion: It may be risky to determine the tibial nail length only by shoe size or the patient's height. However, the correlation between them is strong. Therefore, by estimating nail lengths before the operation, the ideal nail length can be found by making fewer fluoroscopy checks during the operation.

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Correlation between tibial nail length and olecrenon to 5th metacarpal head measurement: An anthropometric study

Cited by 5 publications

References 8 publications

Evaluation of Arm Length as a New Upper Limb Anthropometric Method for Preoperative Estimation of Tibial Intramedullary Nail Length

Evaluation of Arm Length as a New Upper Limb Anthropometric Method for Preoperative Estimation of Tibial Intramedullary Nail Length

Formulae derived from Anthropometric Measurements to Estimate Ideal Tibial Nail Length

Can the Length of the Tibia Nail Be Predicted Correctly Before the Operation According to the Patient’s Height and Shoe Size?

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