Shoulder magnetic resonance arthrography in dogs: Comparison of craniolateral and caudolateral approach for ultrasound‐guided contrast injection

Author:

Jung Mingyu1ORCID,Je Miseong1,Baek Loktam1,Chung Jiwon1,Choi Jihye1,Yoon Junghee1

Affiliation:

1. College of Veterinary Medicine and the Research Institute for Veterinary Science Seoul National University Seoul Korea

Abstract

AbstractShoulder joint disease is a common cause of forelimb lameness in dogs. To diagnose this condition, shoulder magnetic resonance arthrography (MRA) is performed, which involves the injection of contrast agents into the shoulder joint space under ultrasound (US)‐guidance. The objective of this study was to compare the craniolateral and caudolateral approaches for shoulder MRA using US‐guided injection techniques, and investigate their clinical feasibility in dogs. Forty shoulder joints from 10 adult beagles were studied in two repetitions. The craniolateral (n = 20) and caudolateral (n = 20) injection techniques were applied randomly under US‐guidance. The shoulder MRA was conducted immediately after the contrast agents was injected. The procedure time (scan and injection time), number of attempts, joint distension and degree of extraarticular extravasation were recorded and compared between the two groups. The results showed that the caudolateral approach had significantly more contrast agents extravasation compared to the craniolateral approach (p < 0.05). However, there were no significant differences between the two groups in terms of procedure time (scan time p = 0.80, injection time p = 0.74), number of attempts (p = 0.70) and joint distension (p = 0.23). The craniolateral approach of US‐guided contrast injection techniques for shoulder MRA minimizes damage to the juxta‐articular structures and reduces extraarticular extravasation, resulting in good‐quality images. This study demonstrates the feasibility and advantages of the craniolateral approach under US‐guidance for shoulder MRA in dogs.

Publisher

Wiley

Subject

General Veterinary,General Medicine

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