Lunate–Lunate Facet Ratio and Variance to Predict Articular Gap After Distal Radius Fracture

Harreld, Kevin; Apel, Peter J.; Koman, L. Andrew; Li, Zhongyu

doi:10.1016/j.jhsa.2009.06.008

Cited by 12 publications

(5 citation statements)

References 25 publications

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“…In the current study, intra-articular distal radius fractures were mapped by 3D reconstruction of articular surface with the data transferred from preoperative CT examination, which is currently widely used in assessing the distal radius fractures [6, 7]. Through the 3D studies for osteoarticular surface, the distribution of fracture lines could be analyzed stereoscopically based on anatomical landmarks.…”

Section: Discussionmentioning

confidence: 99%

Analyses of fracture line distribution in intra-articular distal radius fractures

Zhang

Jiang

et al. 2019

Radiol med

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Purpose To assess the association between the fracture line distribution and the location of comminution in intra-articular distal radius fractures by building fracture mapping. Patients/methods Forty cases with intra-articular fractures of distal radius were enrolled in the current prospective clinical study. Fracture lines and comminution zones were identified by reduced three-dimensional computed tomography reconstructions and then graphically superimposed onto a standard template to create two-dimensional fracture maps, followed by the conversion into heating maps. Based on qualitative descriptive fracture mapping analyses, the patterns of intra-articular distal radius fractures were determined. Results It was observed that the highest fracture line intensity was located as an inverted “T” shape zone in the dorsal aspect of the joint with high incidence of fractures and the prominently intense color in heat mapping. The keystone projected area, the radial styloid process and the metacarpal radial side articular surface were found to be the least involved parts of the fracture. According to the mapping of the number and distribution of fracture lines, a new classification method for intra-articular fractures of the distal radius was redefined. Different surgical approaches and internal fixation techniques were proposed for different types. In this paper, we retrospectively compared the preoperative X-ray findings between different types. Based on the preoperative X-ray prediction, the distal intra-articular radius fractures were classified, so as to develop effective surgical strategies. In this study, a new surgical approach was attempted, but due to the lack of evidence-based evidence, long-term postoperative complications and hand function should be further evaluated. Conclusion This study redefines a new method for the classification of intra-articular fractures of the distal radius, which allows doctors to have a clearer understanding of the characteristics of distal radius fractures. Moreover, the application value in fracture diagnosis is more significant, and the best surgical approach is selected for different types.

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Section: Discussionmentioning

confidence: 99%

Analyses of fracture line distribution in intra-articular distal radius fractures

Zhang

Jiang

et al. 2019

Radiol med

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“…Harreld et al 10 proposed that the lunate-lunate facet ratio, measured on lateral radiographs of the wrist, was a reliable plain film measure of sagittal articular gap and allowed for a direct estimation of articular gap size in distal radius fractures. In plain radiographs, Medoff 11 introduced the teardrop angle (TDA), which is a radiographic parameter and is measured as the angle formed between the central axis of the teardrop and the radial shaft.…”

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confidence: 99%

Reliability and Clinical Importance of Teardrop Angle Measurement in Intra-articular Distal Radius Fracture

Fujitani

Omokawa

Iida

et al. 2012

The Journal of Hand Surgery

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“…In this study, preoperative CT data were used to reconstruct the articular surface of the distal radius and draw images of the DRFs. At present, this method is widely used in the evaluation of DRFs [10,11]. Through the 3D study of the articular surface, the distribution of the fracture lines can be analyzed according to anatomical landmarks, where facet details such as ridges, fossa, and facets are highlighted.…”

Section: Discussionmentioning

confidence: 99%

Analysis of the fracture line distribution of distal radius fractures

Zhang¹,

Xie²,

Shao³

et al. 2022

Preprint

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Objective To study the general distribution of fracture lines in distal radius fractures (DRFs). Methods Computed tomography scans from 50 patients with DRFs were included in this study. The DICOM data of all patients were analyzed using Mimics 20.0 software, and the bone blocks were marked with different colors after the surrounding related bones were removed. After reduction of the fracture, 3-matic software was used to plot 50 fracture lines on the same standardized bone structure of the distal radius. Finally, a heat map was developed based on the frequency of the fracture lines. Results Although the fracture lines varied widely in DRFs, most fracture lines were regularly distributed. In the metaphyseal region of the distal radius, the width of the ring was 4.52 mm, and the ring was located in the region of primary epiphyseal cartilage development below the watershed. Fractures below the annular band were occasional. The distribution of volar fracture lines above the annular band was significantly less than that of dorsal fracture lines, which was more concentrated in the area around the Lister tubercle and more involved in the distal radioulnar joint. Conclusion The fracture lines were regularly distributed in the distal radius with a ring-shaped high-incidence zone.

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Lunate–Lunate Facet Ratio and Variance to Predict Articular Gap After Distal Radius Fracture

Cited by 12 publications

References 25 publications

Analyses of fracture line distribution in intra-articular distal radius fractures

Analyses of fracture line distribution in intra-articular distal radius fractures

Reliability and Clinical Importance of Teardrop Angle Measurement in Intra-articular Distal Radius Fracture

Analysis of the fracture line distribution of distal radius fractures

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