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接受全髋关节置换的犬类群体中的股骨皮质厚度指数。

Femoral cortical thickness index in a population of dogs undergoing total hip replacement.

作者信息

Pfund Charlotte B, Wendelburg Kirk L

机构信息

VCA Animal Specialty Group, California, Los Angeles, USA.

出版信息

Vet Surg. 2025 Aug;54(6):1145-1156. doi: 10.1111/vsu.14275. Epub 2025 Jun 11.

DOI:10.1111/vsu.14275
PMID:40495706
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12344224/
Abstract

OBJECTIVE

To establish a femoral cortical thickness index (CTI) for dogs undergoing total hip replacement (THR), determine the reproducibility of the established CTI measurements, and assess the efficacy of CTI as a preoperative variable in the femoral fracture/fissure occurrence in dogs undergoing THR.

STUDY DESIGN

Retrospective study.

ANIMALS

A total of 224 dogs with THR.

METHODS

Medical records for dogs undergoing THR were reviewed retrospectively, analyzing only the first side in dogs with bilateral THR. Three measuring points were defined on preoperative mediolateral radiographs: immediately distal to the lesser trochanter, one-quarter-, and midway down the femur. The CTI was calculated from the mean cortical and femoral diaphyseal diameters at the established locations. A total of 10 dogs with varying CTI scores were selected for interobserver comparisons and pre-/ postoperative analyses. The relationship between CTI and perioperative fissure/fracture risk was then evaluated.

RESULTS

Interobserver and pre-/ postoperative measurement comparisons showed near-perfect correlation. Analysis of 224 dogs revealed a significant association between lower CTI and incidence of perioperative fractures (p < .0001). The mean CTI for all dogs was 0.285, while it was statistically lower at 0.246 for dogs that sustained fissures/fractures. No other statistically significant risk factors were identified.

CONCLUSION

This study quantitatively assessed femoral cortical thickness in dogs undergoing THR. The findings confirmed that lower CTI is a repeatable and accurate predisposing factor for perioperative fissure/fracture risk in canine THR.

CLINICAL SIGNIFICANCE

Factoring CTI into the clinical decision making may minimize fracture risk, especially in dogs with other possible risk factors such as abnormal BCS.

摘要

目的

为接受全髋关节置换术（THR）的犬建立股骨皮质厚度指数（CTI），确定所建立的CTI测量值的可重复性，并评估CTI作为术前变量对接受THR的犬发生股骨骨折/骨裂的影响。

研究设计

回顾性研究。

动物

总共224只接受THR的犬。

方法

对接受THR的犬的病历进行回顾性分析，仅分析双侧THR犬的第一侧。在术前的内外侧X线片上定义三个测量点：小转子远端、股骨四分之一处和股骨中点。CTI由既定位置的平均皮质骨直径和股骨干直径计算得出。选择10只CTI评分不同的犬进行观察者间比较和术前/术后分析。然后评估CTI与围手术期骨裂/骨折风险之间的关系。

结果

观察者间以及术前/术后测量比较显示出近乎完美的相关性。对224只犬的分析显示，较低的CTI与围手术期骨折发生率之间存在显著关联（p <.0001）。所有犬的平均CTI为0.285，而发生骨裂/骨折的犬平均CTI在统计学上较低，为0.246。未发现其他具有统计学意义的风险因素。

结论

本研究对接受THR的犬的股骨皮质厚度进行了定量评估。研究结果证实，较低的CTI是犬THR围手术期骨裂/骨折风险的一个可重复且准确的诱发因素。

临床意义

将CTI纳入临床决策可能会降低骨折风险，尤其是对于具有其他可能风险因素（如体况评分异常）的犬。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/bc9560cc73e3/VSU-54-1145-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/dffe9eadb880/VSU-54-1145-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/fb6b7d7d4e08/VSU-54-1145-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/eba47f2271bb/VSU-54-1145-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/b0d67328497e/VSU-54-1145-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/ab04bb91c906/VSU-54-1145-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/3174eeccaf5e/VSU-54-1145-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/bc9560cc73e3/VSU-54-1145-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/dffe9eadb880/VSU-54-1145-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/fb6b7d7d4e08/VSU-54-1145-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/eba47f2271bb/VSU-54-1145-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/b0d67328497e/VSU-54-1145-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/ab04bb91c906/VSU-54-1145-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/3174eeccaf5e/VSU-54-1145-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71f4/12344224/bc9560cc73e3/VSU-54-1145-g001.jpg

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Complications and outcomes of total hip arthroplasty in dogs with luxoid hip dysplasia: 18 cases (2010-2022).犬髋关节发育不全性髋脱位全髋关节置换术的并发症及转归：18 例（2010-2022 年）。
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