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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 19 (1997), S. 133-137 
    ISSN: 1279-8517
    Keywords: Deep vein thrombosis ; Total hip replacement ; Femoral vein ; Posterior approach ; Lateral approach
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé L'étude anatomique a été réalisée pour établir la relation entre les différentes positions du membre inférieur au cours des arthroplasties totales de hanche et la survenue d'une thrombose veineuse profonde. Cette étude a été réalisée sur 18 cadavres, dont 32 vv. fémorales ont pu être examinées à différents temps de l'arthroplastie totale de hanche, avant et après ablation de la tête fémorale, par voie trans-glutéale ou par voie postérieure. Un endoscope (grand angle) a été introduit dans la v. fémorale par la v. iliaque externe. Le flux sanguin a été simulé par irrigation antérograde avec du sérum salé à travers la v. poplitée. Après l'ablation de la tête fémorale, il a été noté des différences significatives entre la voie d'abord trans-glutéale et la voie d'abord postérieure pour ce qui concerne l'aspect de la lumière de la v. fémorale et le flux sanguin. En ce qui concerne la voie trans-glutéale, ces modifications dépendaient du degré d'adduction et de la corpulence du cadavre. L'aspect de la lumière de la v. fémorale était initialement ovale, puis évoluait progressivement vers la sténose complète qui se situait à peu près entre 5 et 7,5 cm audessous du ligament inguinal. En adduction complète de la cuisse, la sténose se produisait, quelle que soit la corpulence du cadavre. En ce qui concerne la voie d'abord postérieure, la rotation médiale, indispensable à l'accès pour la mise en place de l'élément prothétique fémoral, causait une sténose de la v. fémorale dans 50% des cas. En ce qui concerne la combinaison des mouvements d'adduction et de flexion de la hanche, elle était responsable d'une sténose de la v. fémorale dans tous les cas, et ceci quelle que soit la corpulence du cadavre. Nos résultats indiquent que le durée de la position d'adduction de la cuisse durant l'arthroplastie totale de hanche par voie transglutéale devrait être diminuée car la réduction du flux sanguin dans la v. fémorale survient, même pour des petits degrés d'adduction. Dans la voie d'abord postérieure, la sténose survient plus tôt, elle ne dépend pas de la corpulence du cadavre.
    Notes: Summary An anatomic study was undertaken to establish whether positioning of the leg and surgical approaches for total hip replacement (THR) cause changes in the femoral v. which may contribute to the development of deep vein thrombosis (DVT). The patency of 32 femoral vv. of 18 cadavers was inspected at different levels during simulated THR. Before and after removal of the femoral head through a transgluteal or posterior approach, a wide-angle endoscope was inserted into the femoral v. via the external iliac v. Blood flow was simulated by proximal irrigation with saline through the popliteal v. After removal of the femoral head distinct changes were observed in both approaches. In the transgluteal approach the changes were dependent on the degree of adduction and the body build of the cadaver. Initially, an oval form was seen in a constricted lumen with an increasingly oblique oval deformation and a final facet-like closure, usually at about 5 to 7.5 cm below the inguinal ligament. In total adduction this stenosis occured regardless of build. Using a posterior approach, the necessary internal rotation caused a closure of the vein in 50% of cases. In combination with flexion and adduction there was stenosis in all cadavers regardless of body build. Our results indicate that the duration of the adducted position of the thigh during THR via a transgluteal approach should be minimised, as there is a reduction in blood flow with even minor degrees of adduction. In the posterior approach the stenosis occurs earlier, and is independent of the build of the cadaver.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 19 (1997), S. 133-137 
    ISSN: 1279-8517
    Keywords: Deep vein thrombosis ; Total hip replacement ; Femoral vein ; Posterior approach ; Lateral approach
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract An anatomic study was undertaken to establish whether positioning of the leg and surgical approaches for total hip replacement (THR) cause changes in the femoral v. which may contribute to the development of deep vein thrombosis (DVT). The patency of 32 femoral vv. of 18 cadavers was inspected at different levels during simulated THR. Before and after removal of the femoral head through a transgluteal or posterior approach, a wide-angle endoscope was inserted into the femoral v. via the external iliac v. Blood flow was simulated by proximal irrigation with saline through the popliteal v. After removal of the femoral head distinct changes were observed in both approaches. In the transgluteal approach the changes were dependent on the degree of adduction and the body build of the cadaver. Initially, an oval form was seen in a constricted lumen with an increasingly oblique oval deformation and a final facet-like closure, usually at about 5 to 7.5 cm below the inguinal ligament. In total adduction this stenosis occured regardless of build. Using a posterior approach, the necessary internal rotation caused a closure of the vein in 50% of cases. In combination with flexion and adduction there was stenosis in all cadavers regardless of body build. Our results indicate that the duration of the adducted position of the thigh during THR via a transgluteal approach should be minimised, as there is a reduction in blood flow with even minor degrees of adduction. In the posterior approach the stenosis occurs earlier, and is independent of the build of the cadaver.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
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