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Vet Comp Orthop Traumatol 2013; 26(04): 291-297
DOI: 10.3415/VCOT-12-03-0041
Original Research
Schattauer GmbH

Anaesthetic arthrography of the shoulder joint in dogs

D. Van Vynckt
1   Department of Medical Imaging and Small Animal Orthopaedics, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
,
G. Verhoeven
1   Department of Medical Imaging and Small Animal Orthopaedics, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
,
Y. Samoy
1   Department of Medical Imaging and Small Animal Orthopaedics, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
,
I. Polis
2   Department of Internal Medicine and Clinical Biology of Small Animals, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
,
H. van Bree
1   Department of Medical Imaging and Small Animal Orthopaedics, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
,
B. Van Ryssen
1   Department of Medical Imaging and Small Animal Orthopaedics, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
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Publikationsverlauf

Received 16. März 2013

Accepted 27. Januar 2013

Publikationsdatum:
19. Dezember 2017 (online)

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Summary

Objective To evaluate the use of intraarticular anaesthesia combined with positive contrast arthrography (collectively called ‘anaesthetic arthrography’ [AA]) in the shoulder in order to identify and confirm the source of pain in lame dogs.

Methods Anaesthetic arthrography was performed in 30 dogs with shoulder joint lameness with a mixture of contrast medium (iohexol: 240 mg I/ml) and a local anaesthetic (mepivacaine 2%: 20 mg/ml). The effect of intra-articular anaesthesia was evaluated by an objectified visual scoring system and the arthrograms were evaluated for their diagnostic value.

Results This study showed that AA was positive in 28 out of 30 dogs. Dilution of the contrast medium with a local anaesthetic produced an arthrogram of good quality for each shoulder joint. In 16 out of 18 cases of osteochondritis dissecans, a cartilage flap could be identified following arthrography. In all cases the flap was not identified from plain radiographs. Biceps brachii tendon pathology was diagnosed on arthrography in seven dogs but was missed in two dogs. Calcification at the caudal rim of the glenoid cavity was diagnosed in three dogs, but was of clinical importance in only two dogs. In addition one infection was diagnosed during synovial aspiration.

Conclusion Anaesthetic arthrography of the shoulder is a simple, safe, and reliable diagnostic test to confirm shoulder joint pain and simultaneously identify a lesion. This procedure may be of particular importance in cases of occult shoulder joint lameness when clinical findings and plain radiographs are inconclusive.

Keywords

Dogs - intra-articular anaesthesia - diagnosis - arthrography - shoulder joint

 

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