Search Results - "Rowell, Shannon L"

Investigation of surgically retrieved, vitamin E-stabilized, crosslinked UHMWPE implants after short-term in vivo service by Rowell, Shannon L., Muratoglu, Orhun K.

“…Antioxidant stabilized highly crosslinked ultra-high molecular weight polyethylene (UHMWPE) components have been in clinical use since 2008. In vitro testing…”
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In‐vitro oxidation model for UHMWPE incorporating synovial fluid lipids by Oral, Ebru, Fung, Mitchell, Rowell, Shannon L., Muratoglu, Orhun K.

“…ABSTRACT Post‐irradiation melting of ultra‐high molecular weight polyethylene (UHMWPE) reduced the oxidation potential of UHMWPE in vivo. After mid‐term (5–10…”
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Ex Vivo Stability Loss of Irradiated and Melted Ultra-High Molecular Weight Polyethylene by Muratoglu, Orhun K, Wannomae, Keith K, Rowell, Shannon L, Micheli, Brad R, Malchau, Henrik

“…BACKGROUND:Radiation crosslinking reduces wear of ultra-high molecular weight polyethylene (UHMWPE), and subsequent annealing or melting increases oxidative…”
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Increasing irradiation temperature maximizes vitamin E grafting and wear resistance of ultrahigh molecular weight polyethylene by Oral, Ebru, Neils, Andrew L., Rowell, Shannon L, Lozynsky, Andrew J., Muratoglu, Orhun K.

“…Vitamin E stabilization of radiation crosslinked ultrahigh molecular weight polyethylene (UHMWPE) for total joint implants can be done by blending of UHMWPE…”
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Diffusion of vitamin E in ultra-high molecular weight polyethylene by Oral, Ebru, Wannomae, Keith K, Rowell, Shannon L, Muratoglu, Orhun K

“…Abstract Vitamin E-doped, radiation crosslinked ultra-high molecular weight polyethylene (UHMWPE) is developed as an alternate oxidation and wear resistant…”
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In Vivo Oxidative Stability Changes of Highly Cross-Linked Polyethylene Bearings: An Ex Vivo Investigation by Rowell, Shannon L., BS, Reyes, Christopher R., BS, Malchau, Henrik, MD, PhD, Muratoglu, Orhun K., PhD

“…Abstract The development of highly cross-linked UHMWPEs focused on stabilizing radiation-induced free radicals as the sole precursor to oxidative degradation…”
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Fracture of a Cross-Linked Polyethylene Liner Due to Impingement by Duffy, Gavan P., MD, Wannomae, Keith K., BS, Rowell, Shannon L., BS, Muratoglu, Orhun K., PhD

“…Abstract We report a case of fracture at 2 years after implantation of a 50-kGy moderately cross-linked ultrahigh molecular weight polyethylene liner with an…”
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Delamination and Adhesive Wear Behavior of α -Tocopherol–Stabilized Irradiated Ultrahigh-Molecular-Weight Polyethylene by Wannomae, Keith K., BS, Christensen, Steven D., BA, Micheli, Brad R., BS, Rowell, Shannon L., BS, Schroeder, Dave W., BS, Muratoglu, Orhun K., PhD

“…Abstract Wear and delamination of conventional ultrahigh-molecular-weight polyethylene (UHMWPE) components used in total knee arthroplasty can compromise…”
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The effect of α-tocopherol on the oxidation and free radical decay in irradiated UHMWPE by Oral, Ebru, Rowell, Shannon L., Muratoglu, Orhun K.

“…We developed a radiation cross-linked ultra-high molecular weight polyethylene (UHMWPE) stabilized with α-tocopherol (Vitamin E) as a bearing material in total…”
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Do total hip arthroplasty polyethylene liners without free radicals oxidize in vivo or ex vivo? by Rowell, Shannon L., Reyes, Christopher R., Hopper, Robert H., Engh, Charles A., Muratoglu, Orhun K.

“…Crosslinking substantially reduces the wear of ultra‐high molecular weight polyethylene (UHMWPE) used in total hip arthroplasty (THA) but some reports have…”
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Comparative oxidative stability of α-tocopherol blended and diffused UHMWPEs at 3 years of real-time aging by Rowell, Shannon L., Oral, Ebru, Muratoglu, Orhun K.

“…Vitamin E (α‐tocopherol) is a free‐radical stabilizing antioxidant used to maintain oxidative stability in radiation cross‐linked ultra‐high molecular weight…”
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A surface crosslinked UHMWPE stabilized by vitamin E with low wear and high fatigue strength by Oral, Ebru, Ghali, Bassem W, Rowell, Shannon L, Micheli, Brad R, Lozynsky, Andrew J, Muratoglu, Orhun K

“…Abstract Wear particle-induced periprosthetic osteolysis has been a clinical problem driving the development of wear resistant ultrahigh molecular weight…”
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Migration stability of α-tocopherol in irradiated UHMWPE by Oral, Ebru, Wannomae, Keith K., Rowell, Shannon L., Muratoglu, Orhun Kamil

“…The oxidation resistance of irradiated ultra-high molecular weight polyethylene (UHMWPE) components used in total joint arthroplasty can be improved by adding…”
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Migration stability of a-tocopherol in irradiated UHMWPE by Oral, Ebru, Wannomae, Keith K, Rowell, Shannon L, Muratoglu, Orhun Kamil

“…The oxidation resistance of irradiated ultra-high molecular weight polyethylene (UHMWPE) components used in total joint arthroplasty can be improved by adding…”
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In Reply by Wannomae, Keith K., Christensen, Steven D., Micheli, Brad R., Rowell, Shannon L., Schroeder, Dave W., Muratoglu, Orhun K.

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THE EFFECT OF a-TOCOPHEROL ON THE OXIDATION AND FREE RADICAL DECAY IN IRRADIATED UHMWPE by Oral, Ebru, Rowell, Shannon L., Muratoglu, Orhun K.

“…We developed a radiation cross-linked UHMWPE stabilized with a-tocopherol (Vitamin E) as a bearing material in total joint replacements. The stabilizing effect…”
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Ex Vivo Stability Loss of Irradiated and Melted Ultra-High Molecular Weight Polyethylene by Muratoglu, Orhun K., PhD, Wannomae, Keith K., BS, Rowell, Shannon L., BS, Micheli, Brad R., BS, Malchau, Henrik, MD, PhD

“…Background Radiation crosslinking reduces wear of ultra-high molecular weight polyethylene (UHMWPE), and subsequent annealing or melting increases oxidative…”
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In Reply by Wannomae, Keith K., BS, Christensen, Steven D., BA, Micheli, Brad R., BS, Rowell, Shannon L., BS, Schroeder, Dave W., BS, Muratoglu, Orhun K., PhD

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