The Bone & Joint Journal (Proceedings) current issue

[...] Instability after total hip arthroplasty is the primary cause for revision surgery and is a frequent complication following revision surgery for any reason (Bozic et al, JBJS [...]

[...] Highly porous metal surfaces have transformed acetabular revision surgery by providing (1) enhanced friction which potentially provides greater primary fixation, (2) [...]

[...] bearing moves only in cases of extreme range of motion. Dislocation is a top reason for revision surgery and a major cost burden on society. Instability is also a significant problem after revision [...]

[...] with or without failed fixation, previous bony procedures, or neuromuscular conditions. In revision surgery, complex scenarios include cases compromised by bone loss, deterioration of the soft tissues [...]

[...] clear in 2013 that there is a substantial opportunity to improve patient outcomes after total knee replacement. Much attention in the last decade has focused on the apparent satisfaction gap between [...]

[...] foot. Type 1 used to be called reflex sympathetic dystrophy. This is not uncommon after total knee replacement. I managed to collect more than 40 cases. One problem is that the diagnosis to some [...]

[...] Total knee replacement is one of the most successful procedures in orthopaedic surgery. Although originally [...]

[...] replacement if dealing with isolated patello-femoral disease or lastly, a complete total knee replacement. While clearly to date there has not been consensus on this issue, a review of the [...]

[...] of 90 days. After the first 119 cases, the surgeons discussed the adverse outcomes and surgical technique was re-assessed. The frequency of complications prior to and following the change in [...]

[...] of this technique to other stems has led to some controversy. Confounding factors such as surgical technique, the impaction system available, the type and size of allograft bone used, and the extent [...]

[...] metal augments have allowed us to use cementless cups when there is segmental loss of bone. Surgical Technique: The acetabular bed is prepared. If there is less medial bone stock than 2mm, then [...]

[...] , the combination of these factors can lead to extensive corrosion at the interface. Surgical technique is also important. Higher impaction loads on clean, dry surfaces result in greater contact [...]

[...] the Mayo Clinic definition (>62mm in women and >66mm in men), the "jumbo acetabular component" is the most commonly used method for acetabular revisions now. There are numerous [...]

[...] of hard-on-hard bearings. The greatest challenge is accurate, reproducible positioning of acetabular component which is obtained in a surprisingly low percentage of cases. Other major issues include [...]

[...] were divided into 6 types based on the etiology of instability: I) malposition of the acetabular component, II) malposition of the femoral component, III) abductor deficiency, IV) impingement, V) [...]

[...] x-rays to determine the optimal acetabular implant size and final position of the acetabular component that restores the hip COR to the normal position. Patients with protrusio acetabuli often [...]

[...] the following: The patella is more vulnerable to impingement on the leading edge of the femoral component and must be carefully recessed. Because the wear pattern in lateral disease is more [...]

[...] Revision of the failed femoral component of a total hip arthroplasty can be challenging. Multiple reconstructive options are [...]

[...] of instability: I) malposition of the acetabular component, II) malposition of the femoral component, III) abductor deficiency, IV) impingement, V) late wear, or VI) unclear etiology. [...]

[...] Acetabular component malalignment remains the single greatest root cause for revision THA with malposition of at least 1/2 of all acetabular components placed using conventional [...]

[...] ingrowth materials, and methods for management of acetabular bone deficiency developed for revision THA have helped improve results in this challenging subset of primary THA patients. [...]

[...] surgery and a major cost burden on society. Instability is also a significant problem after revision THA. While a variety of factors are important in hip stability, DM cups provide the safety of [...]

[...] complex, multifactorial problem that has been shown to be the most common indication for revision THA. The purpose of this study was to classify causes of instability and evaluate outcomes [...]