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Acetabular distraction technique for chronic pelvic discontinuity
Background Acetabular bone loss with an associated chronic pelvic discontinuity presents an extremely challenging problem in the setting of revision total hip arthroplasty (THA). A chronic pelvic discontinuity should be thought of as a chronic fibrous non-union and may exhibit…
Jumbo cup and modular porous metal augments for chronic pelvic discontinuity
Background Chronic pelvic discontinuity, separation of the superior ilium from the inferior ischiopubic segment through the acetabulum with loss of host bone, is one of the most challenging issues to manage with respect to acetabular revision surgery. It is estimated…
Custom 3D-printed acetabular component for chronic pelvic discontinuity
Background Chronic pelvic discontinuity (CPD) is the separation of the ilium superiorly from the inferior pelvis, i.e., the ischiopubic segment. While CPD most frequently stems from a chronic non-united pelvic stress fracture via deficient bone in revision total hip arthroplasty…
Custom triflange acetabular component for chronic pelvic discontinuity
Background Several treatment options exist for the management of massive acetabular bone loss encountered during acetabular component revision. These include column plating in conjunction with porous metal shells, structural allografts, impaction grafting, distraction technique with jumbo porous metal acetabular components…
Ice cream cone (pedestal) prosthesis for chronic pelvic discontinuity
Background Chronic pelvic discontinuity (CPD) is among the most challenging situations in revision total hip arthroplasty (THA) and is estimated to cause 1% to 5% of all acetabular revisions. , It is a distinct form of bone loss and is…
Cup-cage/half cage for chronic pelvic discontinuity
Introduction Chronic pelvic discontinuity and major acetabular bone loss cause difficulty achieving a stable motionless interface with a hemispherical uncemented acetabular component, the key to obtaining bone ingrowth. If biologic fixation is not achieved, implant failure and migration will likely…
Acetabular bone loss with chronic pelvic discontinuity: Acetabular cup-cage vs cage-augment reconstruction
Background Pelvic discontinuity is defined as a dissociation of the proximal and distal halves of the acetabulum associated with variable amounts of bone loss. This dissociation results in multiple challenges for revision total hip arthroplasty. Pelvic discontinuity can be acute…
Acetabular impaction bone grafting for chronic pelvic discontinuity
Background Acetabular impaction bone grafting is an attractive technique in hip revision surgery. There are over 40 years of clinical experience with this technique combined with a cemented cup. , Recent studies have also published results regarding the successful application…
Kerboull acetabular ring device with allograft for chronic pelvic discontinuity
Background The demand for total hip and knee replacement is increasing at a frenetic rate. Data from prior studies , and projection investigations demonstrate that the number of revision total hip arthroplasty (THA) will rise 137% over the next 25…