Comparing Short-Term Clinical Outcomes and Survivorship of Complex Revision Total Hip Arthroplasty: Custom Triflange Acetabular Implants Vs Standard Cage Reconstruction
Luke G. Menken DO, McKenzie A. Mayer BS, Ian S. Hong MD, Nicholas T. Andriani DO, Mason Vialonga MD, Christian G. Zapf BS, Jaclyn M. Jankowski DO, Frank A. Liporace MD, Richard S. Yoon MD
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引用次数: 0
Abstract
Background
Complex revision total hip arthroplasty poses challenges in cases of severe acetabular bone loss, pelvic discontinuity, or multiple prior revision total hip arthroplasties. This study compares clinical outcomes and implant survivorship between custom triflange acetabular implants (CTAIs) and standard off-the-shelf cup-cage constructs.
Methods
Between 2016 and 2022, our registry was screened for consecutive patients who received either a CTAI or an off-the-shelf cup-cage construct. A retrospective review assessed patient characteristics, perioperative data, and postoperative outcomes using radiographs and follow-up notes. Primary outcomes were postoperative mortality and reoperation rates. Secondary outcomes included implant migration, bony remodeling, and patient-reported outcomes using Hip Disability and Osteoarthritis Outcome Score for Joint Replacement (HOOSJR). Kaplan–Meier survival analysis assessed mortality-free survival and implant survivorship. Univariate and multivariate analyses was conducted to determine associations between preoperative variables and postoperative outcomes.
Results
Among 787 screened patients, 18 met inclusion criteria. Fourteen (78%) had Paprofsky type 3A (28%) or 3B (50%) defects. Eleven (61%) patients received a CTAI, while 7 (39%) received standard off-the-shelf cup-cage constructs. The ΔHOOSJR scores were 37.7 ± 42.4 for off-the-shelf cup-cage constructs and 48.7 ± 30.8 for CTAI, with no significant difference (P = .531). Two (11%) patients required revision for periprosthetic joint infection, and 4 (22%) expired. Kaplan–Meier survival analysis revealed 75.2% mortality-free survivorship and 78% implant survivorship at 4 years.
Conclusions
Off-the-shelf cup-cage constructs and CTAIs demonstrated comparable short-term clinical outcomes and implant survivorship in this cohort of patients undergoing complex revision THA. Implant selection may therefore be guided by patient-specific factors and surgeon preference.
期刊介绍:
Arthroplasty Today is a companion journal to the Journal of Arthroplasty. The journal Arthroplasty Today brings together the clinical and scientific foundations for joint replacement of the hip and knee in an open-access, online format. Arthroplasty Today solicits manuscripts of the highest quality from all areas of scientific endeavor that relate to joint replacement or the treatment of its complications, including those dealing with patient outcomes, economic and policy issues, prosthetic design, biomechanics, biomaterials, and biologic response to arthroplasty. The journal focuses on case reports. It is the purpose of Arthroplasty Today to present material to practicing orthopaedic surgeons that will keep them abreast of developments in the field, prove useful in the care of patients, and aid in understanding the scientific foundation of this subspecialty area of joint replacement. The international members of the Editorial Board provide a worldwide perspective for the journal''s area of interest. Their participation ensures that each issue of Arthroplasty Today provides the reader with timely, peer-reviewed articles of the highest quality.