Ultrasound in Total Hip Replacement Value of Anterior Acetabular Cup Visibility and Contact With the Iliopsoas Tendon - Université de Rennes Accéder directement au contenu
Article Dans Une Revue Journal of Ultrasound in Medicine Année : 2018

Ultrasound in Total Hip Replacement Value of Anterior Acetabular Cup Visibility and Contact With the Iliopsoas Tendon

Résumé

Objectives - To assess visibility of the acetabular cup in total hip replacement and to determine the value of direct and indirect signs of iliopsoas impingement syndrome with ultrasound. Methods - Ultrasound examinations were performed by a single operator in 17 patients with iliopsoas impingement syndrome and 48 control patients. Cup visibility, contact between the cup and psoas tendon, and the presence of indirect signs of iliopsoas impingement syndrome were investigated in all patients. When the acetabular cup was visible, its size and position in relation to the psoas tendon were recorded. Results - Anterior cup visibility (P = .03), contact with the psoas tendon (P < .001), psoas tendinopathy (P = .02), and iliopsoas bursitis (P < .001) were significantly associated with iliopsoas impingement syndrome, the latter reported with specificity of 100%. In the sagittal plane at the level of the psoas tendon, a maximum sagittal length of greater than 5 mm and a posteroanterior cup shift of 3 mm or greater yielded respective sensitivities of 82% and 59% and specificities of 81% and 100%. Conclusions - When iliopsoas impingement syndrome is clinically suspected, the presence of iliopsoas bursitis or a posteroanterior cup shift of greater than 3 mm under the psoas tendon serve to confirm the diagnosis. In the absence of these conditions, a therapeutic test may be necessary because of the incomplete, albeit high, specificity of other signs.
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Dates et versions

hal-01807379 , version 1 (04-06-2018)

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Citer

Raphaël Guillin, Valérie Bertaud, Marc Garetier, Olivier Fantino, Jean-Louis Polard, et al.. Ultrasound in Total Hip Replacement Value of Anterior Acetabular Cup Visibility and Contact With the Iliopsoas Tendon. Journal of Ultrasound in Medicine, 2018, 37 (6), pp.1439-1446. ⟨10.1002/jum.14484⟩. ⟨hal-01807379⟩
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