Poster (Scientific congresses and symposiums)
ULTRASOUND ANATOMY AND US-GUIDED INTRA-ARTICULAR INJECTION TECHNIQUE OF THE CANINE ADULT HIP
Bergamino, Chiara; Etienne, Anne-Laure; Busoni, Valeria
2013EVDI Annual Conference, Cascais, Portugal
 

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Keywords :
dogs; hip; ultrasound
Abstract :
[en] Introduction Ultrasound (US)-guided techniques are routinely used in human1,2 and veterinary3 medicine to increase safety and accuracy1. Due to its deep location blind needle insertion in the coxo-femoral joint may be difficult. The aim of this study was to determine the US anatomy of the adult canine hip in order to establish the approach for US-guided intra-articular (IA) injections. Materials and Methods A 3-18 MHz linear and a 5-10 curvilinear transducers were used. Seven adult live dogs were used to  establish the US anatomy. Ten dog cadavers were used to obtain frozen sections to compare to US images and to establish the injection technique. Dogs were clipped and examined in lateral recumbency using a dorsal approach. To assess accuracy of injections performed on cadavers, joints were injected with a iodinated contrast medium and controlled radiographically. Injections were realized by 3 operators with different US experience using a 22G needle. To localize the joint, two techniques were established: one using the greater trocanther as landmark, one using the ilium wing. Results The coxo-femoral joint was easily visualized in all live dogs and cadavers. When the great trochanter was used as anatomical landmark, the femoral neck hyperechoic surface was identified in continuity with the greater trocanther hyperechoic surface in a plane perpendicular to the vertebral column and then followed axially till the anechoic gap representing the articular space. At the joint space the hyperechoic acetabulum was seen partially covering the femoral head and the joint capsule was visible as a triangular echoic structure (Figs. 1 & 2). Using the hyperechoic surface of the ilium wing as a starting point, the coxofemoral joint was localized following the wing and the hyperechoic ilium body caudally in a transverse plane. The inexperienced operator found easier to localize the joint using the ilium as landmark. For injection the needle was inserted axially to the great trochanter and directed in a dorsolateral-ventromedial direction toward the joint space and then pushed through the capsule (Figs. 3 & 4). Twenty hips were injected (Fig. 5). In all cases operators had the feeling to pass the joint capsule with the needle. All injections were successful and control radiographs showed intra-articular contrast (Fig. 6). Discussion/Conclusion The dorsal aspect of the canine hip can be easily localized at US and US-guidance can be efficiently used for IA injection
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Bergamino, Chiara
Etienne, Anne-Laure ;  Université de Liège - ULiège > Dép. clinique des animaux de compagnie et des équidés (DCA) > Imagerie médicale
Busoni, Valeria  ;  Université de Liège - ULiège > Dép. clinique des animaux de compagnie et des équidés (DCA) > Imagerie médicale
Language :
English
Title :
ULTRASOUND ANATOMY AND US-GUIDED INTRA-ARTICULAR INJECTION TECHNIQUE OF THE CANINE ADULT HIP
Publication date :
August 2013
Event name :
EVDI Annual Conference, Cascais, Portugal
Event organizer :
European Veterinary Diagnostic Imaging
Event place :
Cascais, Portugal
Event date :
August 27, 2013 - September 01, 2013
Audience :
International
Available on ORBi :
since 13 October 2014

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