Our findings confirm that tantalum porous cups provide a viable reconstruction option when dealing with paprosky type 3 and 4 defects in the short term. The paprosky classification system 3 stratifies the degree of bone loss based on radiographic parameters to guide the identification of reconstructive options. Many different classification schemes have been proposed to describe the extent of periacetabular bone loss in revision tha including those proposed by paprosky et al. Results related to pain free, functionality, activity and radiology consolidation, have been.
Outcome of porous tantalum acetabular components for. Tipo i columnas continentes, sin osteolisis ni migracion. Femur is characterized by loss of the anterolateral region of the subtrochanteric bone of the metaphysis type 2c. All were resolved without the need for new surgeries. Pdf radiographic evaluation of 19 patients with paprosky. Save up to 80% by choosing the etextbook option for isbn.
In an attempt to better define these defects, classification systems are used. Protesis y ortesis ortopedicas by pepita castillo on prezi. Axial a, sagittal b, and coronal c images demonstrate that the normal disc, composed of central nucleus pulposus and peripheral annulus fibrosus, is wholly within the boundaries of the disc space, as. This series demonstrates the excellent clinical and radiographic results of porous tantalum acetabular components in complex revision thas withwithout the use of augments andor cages. Revision of a cemented acetabular component to a cementless acetabular compo nent. Acetabular defect classification and surgical reconstruction in revision arthroplasty. Ortopedia, cirugia reconstructiva articular y artroscopia. Over the past 6 weeks, the pain has become excruciating and he has been unable to ambulate, even with the aid of a w. The supporting structures of the acetabulum used by the paprosky classification as seen on routine ap radiographs of the pelvis include the teardrop medial wall, red arrow, hip center migration superior walldome, green bracket, the kohler line anterior columnmedial wall, blue line, and the presence or absence of ischial lysis posterior columnposterior wall, yellow square. Free access to orthopaedic knowledge online oko on the aaos orthoportal. Classification and an algorithmic approach to the reconstruction of femoral deficiency in revision total hip. Femur is characterized by a nonsupportive metaphysis.
The acetabular classification system of paprosky is commonly used to assist in preoperative planning and is based upon. Fueron 18 pacientes, 61% mujeres y 39% hombres, edad entre 4779 anos, con defecto acetabular grado iib 44. May 22, 2016 paprosky classification for acetabular defects the acetabular classification system of paprosky is commonly used to assist in preoperative planning and is based upon the severity of bone loss and the ability to obtain stability of the revision component with a cementless acetabular component for a given pattern of bone loss 4. Reaction of the bone to a cementfree sl femur revision. The treatment options of pelvic discontinuity and major acetabular defects in the setting of a revision total hip arthroplasty are use of a plate with cage and structural allograft, trabecular metal augments, custommade implants, triflange implants, and whole acetabular allograft. Classification of acetabular defects in revison total hip arthroplasty and an overview of surgical techniques. Boost engagement with internal communication videos. Outcome of porous tantalum acetabular components for paprosky. A custommade acetabular implant for paprosky type 3 defects article in orthopedics 401. In four patients of our series, we could see a dislocation of the prosthesis. Reconstruccion osea acetabular con cotilos no cementados y. Aug 31, 20 many different classification schemes have been proposed to describe the extent of periacetabular bone loss in revision tha including those proposed by paprosky et al. Eighteen months ago he began having hip and thigh pain. The incidence of tha revision has increased substantially during the last decade and is projected to nearly double by 2026 8, 9.
Defect has calcar bone loss that does not extend to the subtrochanteric level, which is fairly supportive type 2b. Paprosky femoral defects classification orthopaedicsone. We have shorted in the pictures of mnc 8217 s, divisible it plies, internet based reminders and many more. Aaos femoral deficiency classification dantonio j, mccarthy jc, bargar wl, et al. In general, among patients with paprosky type 3b defects, the indications for use of custom acetabular components were 1 failed prior salvage reconstruction with cage or porous metal construct augments, 2 large contained defects with possible discontinuity, 3 known discontinuity, and 4 complex multiply surgically treated hips with. Acetabular revision using a total acetabular allograft. Femur is similar to the femur in a primary total hip arthroplasty type 2a. Are custom triflange acetabular components effective for. Revision hip arthroplasty classification and algorithmic. Chapter 89 acetabular reconstruction classification of bone defects and treatment options geoffrey wright and wayne g. And this option has the competition firms various small locations in australia and then also. Pdf on jan 1, 2003, federico j burgo and others published. Protesis y ortesis ortopedicas by pepita castillo on.
Aseptic loosening and osteolysis continue to be major challenges in hip reconstruction surgery. Paprosky key points successful reconstruction of the acetabulum during revision total hip arthroplasty requires a thorough understanding of host bone defects. Over the past 6 weeks, the pain has become excruciating and he has been unable to ambulate, even with the aid of a walker. Classification of acetabular defects in revison total hip. One commonly used classification is the paprosky classification for femoral bone type i femoral bone loss refers to a defect in which minimal. Pinzamiento femoroacetabular by luis saavedra on prezi. Oct 15, 2014 in general, among patients with paprosky type 3b defects, the indications for use of custom acetabular components were 1 failed prior salvage reconstruction with cage or porous metal construct augments, 2 large contained defects with possible discontinuity, 3 known discontinuity, and 4 complex multiply surgically treated hips with. Downloadfundamentos esenciales en protesis fija shillingburg descargar. Citescore values are based on citation counts in a given year e. Over a million stunning new images at your fingertips. Defectos cristalinos superficiales y dislocaciones.
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