Diagnostic accuracy of radiographs for the diagnosis of humeral intracondylar fissure in dogs.

IF 1.7 2区农林科学 Q2 VETERINARY SCIENCES Journal of Small Animal Practice Pub Date : 2024-09-07 DOI:10.1111/jsap.13784

M Sprocatti, M A Solano, V Volckaert, A Danielski

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Abstract

Objectives: To assess the diagnostic accuracy of radiographs in identifying humeral intracondylar fissures in dogs.

Materials and methods: Clinical data from dogs undergoing CT and radiographic elbow investigations at a single institution were reviewed. Based on CT diagnosis, radiographs were classified as having fissures and not having fissures. The radiographic images were evaluated by three blinded observers for the presence/absence of a fissure, type (partial or complete), and for secondary signs that could suggest the presence of a fissure in case this was not visible.

Results: A total of 81 radiographs (76 elbows) were reviewed. Based on CT findings, 37 elbows had fissures and 44 did not. Radiographic interpretation demonstrated a sensitivity of 47.7% (confidence interval 95%: 0.40 to 0.59) and specificity of 85.6% (confidence interval 95%: 0.72 to 0.93) in correctly identifying humeral intracondylar fissures. The positive predictive value was 75.5% (confidence interval 95%: 0.64 to 0.84) and the negative predictive value was 66.1% (confidence interval 95%: 0.63 to 0.68). Agreement with CT images was <0.4, and interobserver and intraobserver agreements were <0.8. The radiographic orientation and type of fissure did not significantly affect interpretation outcomes.

Clinical significance: Radiographic imaging alone is insufficient for reliably diagnosing humeral intracondylar fissures in dogs.

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诊断犬肱骨髁内裂隙的X光片诊断准确性。

目的评估X光片在识别犬肱骨髁内裂隙方面的诊断准确性：对在一家机构接受 CT 和肘部X光检查的犬的临床数据进行回顾。根据 CT 诊断，X 光片被分为有裂缝和无裂缝两类。由三名盲人观察员对放射影像进行评估，以确定是否存在裂缝、裂缝类型（部分或完全），以及在裂缝不明显的情况下是否有可能提示存在裂缝的次要迹象：共检查了 81 张 X 光片（76 个肘部）。根据 CT 结果，37 个肘部有裂隙，44 个没有。在正确识别肱骨髁内裂隙方面，X光片解读的灵敏度为47.7%（置信区间95%：0.40至0.59），特异性为85.6%（置信区间95%：0.72至0.93）。阳性预测值为 75.5%（置信区间 95%：0.64 至 0.84），阴性预测值为 66.1%（置信区间 95%：0.63 至 0.68）。与 CT 图像的一致性具有临床意义：仅靠射线成像不足以可靠地诊断犬肱骨髁内裂隙。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Small Animal Practice 农林科学-兽医学

CiteScore

3.30

自引率

6.20%

发文量

117

审稿时长

12-24 weeks

期刊介绍： Journal of Small Animal Practice (JSAP) is a monthly peer-reviewed publication integrating clinical research papers and case reports from international sources, covering all aspects of medicine and surgery relating to dogs, cats and other small animals. These papers facilitate the dissemination and implementation of new ideas and techniques relating to clinical veterinary practice, with the ultimate aim of promoting best practice. JSAP publishes high quality original articles, as well as other scientific and educational information. New developments are placed in perspective, encompassing new concepts and peer commentary. The target audience is veterinarians primarily engaged in the practise of small animal medicine and surgery. In addition to original articles, JSAP will publish invited editorials (relating to a manuscript in the same issue or a topic of current interest), review articles, which provide in-depth discussion of important clinical issues, and other scientific and educational information from around the world. The final decision on publication of a manuscript rests with the Editorial Board and ultimately with the Editor. All papers, regardless of type, represent the opinion of the authors and not necessarily that of the Editor, the Association or the Publisher. The Journal of Small Animal Practice is published on behalf of the British Small Animal Veterinary Association and is also the official scientific journal of the World Small Animal Veterinary Association