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Does the Kinematch® Prosthesis Impair Knee Flexion in Patients with Trochlear Dysplasia?

Background: Patellofemoral replacements are used to treat isolated patellofemoral arthritis in carefully selected patients. The Kinematch® custom-designed implant is placed directly on subchondral bone, leading critics of the device to believe that this results in overstuffing and limitation of flexion in cases of trochlear dysplasia; the current study aims to evaluate this ...

Utility of Carbon Fiber Implants in Orthopedic Surgery: Literature Review

Carbon fiber (CF) consists of a multitude of unique physical, chemical and biological characteristics that can be utilized and exploited for a number of diverse applications. Found in aerospace systems, structural elements, energy storage and other products, the most recent application of CF has expanded into the realm of surgical implants. The material properties of CF, historical ...

Subgroup Analysis of Topical Tranexamic Acid in Total Knee Arthroplasty

Evidence continues to accumulate for the efficacy of tranexamic acid (TXA) use in primary total knee arthroplasty (TKA). An essential question that remains is to determine which specific subgroups of patients undergoing TKA will benefit from TXA use and if surgeons should be more selective in its administration. We performed a retrospective cohort study involving 187 TKA patients ...

No Rationale for Gender Specific Femoral Stems for Total Hip Arthroplasty

The purpose of this study was to compare the applicability of two femoral stem systems in male and female populations via preoperative templating. The radiographs of 47 consecutive patients (94 hips) were templated using one of two stem systems by first fixing the acetabular center of rotation. Based upon templating, the result categories were: no obvious advantage of either ...

Delayed Administration of Risedronate Does Not Restore Bone Loss In Patients Following Total Hip Arthroplasty - A randomized, double blinded clinical study

Mitchell D. Eggers Sahar Bawkher BS Background: Periprosthetic bone loss after total hip arthroplasty (THA) increases the risk of serious post-operative complications. Previous studies have reported the

Smart PEEK Modified by Self-Initiated Surface Graft Polymerization for Orthopedic Bearings

Poly(ether-ether-ketone) (PEEK)s are a group of polymeric biomaterials with excellent mechanical properties, chemical stability, and nonmagnetism. In the present study, we propose a novel self-initiated surface graft polymerization technique, using which we demonstrate the fabrication of a highly hydrophilic and biocompatible nanometer-scale layer on the surfaces of PEEK and carbon ...

Clinical Review of the Zweymuller Femoral Stem

This review summarizes published literature from a range of reputable sources regarding hip prostheses (stems) utilized currently in cementless Total Hip Arthroplasty. The critical review of published clinical studies shows Zweymuller style (Alloclassic and SL-Plus) stems in all critical characteristics.Since the introduction of cementless total hip arthroplasty in the 1970s, a ...

Overview of Cementless Stems in Total Hip Arthroplasty – Review Paper on the Corial Style Stem

The review summarizes published literature from a range of reputable sources regarding hip prosthesis (stems) of a specific design style (Corail) used currently in cementless Total Hip Arthroplasty. The short-term results of the best cementless femoral components recorded in the Norwegian Arthroplasty Register as described by Havelin et al, include the Corail, IMT, Profile and ...