Revision of Failed Total Hip Arthroplasty Acetabular Cups to Porous Tantalum Components

Trabecular Metal Augments for the Management of Paprosky Type III Defects Without Pelvic Discontinuity

“…In literature, the survival rate of TM cup and augment constructs has been estimated from 92% to 99% in the mid-long term [12,15]. However, these findings are referred to a sample including patients with mild to severe bone acetabular defects.…”

“…The use of TM cups and augments has recently increased for the management of severe bony defects [3,[8][9][10][11][12][13][14][15][16][17]. However, previous studies are affected by some biases.…”

“…Although some authors investigated the use of TM cups and augments in this setting [3,[8][9][10][11][12][13][14][15][16][17], they performed studies including patients with different types of bone defects, ranging from Paprosky grade IIA to grade IIIB with pelvic discontinuity, who underwent revision surgery using TM acetabular cups with or without TM augments. Therefore, data arising from these studies refer to non-homogenous populations managed with different surgical techniques.…”

Tantalum Acetabular Cups Provide Secure Fixation in THA after Pelvic Irradiation at Minimum 5-year Followup

“…In 2006, our group reported 100% survival in 12 THAs at 2 to 4 years followup with the use of porous tantalum acetabular implants following pelvic radiation therapy [20]. The high coefficient of friction and apparently high ingrowth rates in vivo associated with porous tantalum sockets have made it a potentially important implant material in irradiated bone [1,2,16,17] or complex revision situations [6,8,21]. However, if is unclear whether the high rate of survival initially reported would be maintained.…”

CORR Insights®: Custom Acetabular Cages Offer Stable Fixation and Improved Hip Scores for Revision THA With Severe Bone Defects

“…Although the data on the use of one or more augments and a porous metal acetabular component appear extremely promising [4], in order to satisfy the second unmet need, we need long-term data (a minimum of 10 years) before concluding that the majority of type IIIA defects can and should be managed in this fashion.…”