On the Origins of High in Vivo Wear Rates in Polyethylene Components of Total Joint Prostheses

Rose, Robert M.; Crugnola, A.; Ries, Michael D.; Cimino, William R.; Paul, Igor L.; Radin, Eric L.

doi:10.1097/00003086-197911000-00044

Cited by 39 publications

(33 citation statements)

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“…This could perhaps be because of more normal kinematics. Fluoroscopic studies demonstrate increased femoral rollback using the cam-post articulation as compared with some PCL-retaining systems [13] . …”

Section: Discussionmentioning

confidence: 97%

The functional outcome after cemented total knee replacement for primary osteoarthritis

Reddy¹,

Ravindran²,

Harish³

2018

Int. J. Orthop. Sci.

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Introduction: The use of computer-assistance during surgery has great advantages because many of the traditional, space occupying instruments that are used with traditional surgery are completely eliminated_ Instead, a narrow digitizing probe can be slid into critical areas to measure important factors such as joint surface position and rotation. Methodology: This was a hospital-based prospective observational study which was done to analyze the functional outcome of Cemented Total Knee Arthroplasty for primary osteoarthritis. 30 patients who consecutively consented and underwent Posterior Cruciate Sacrificing Cemented Total Knee Arthroplasty were assessed clinically and functionally using Knee Society scores. Results: The difference between the means's of pre-op KCS and post-op KCS was 67.35 (64.56 to 70.14, 95% CI). The P Value was significant (<0.001) when the pre-op and post-op Knee Clinical Scores were compared. The difference between the mean's of pre -op KFS and post -op KFS was 45.40 (41.24 to 49.56, 95% C1). The P value was significant (<0.001) when the pre -op and post -op Knee Functional Scores were compared. Conclusion: Cemented Total Knee Arthroplasty improves the functional ability of the patient and the ability of the patient to get back to pre-disease state, which is to have a pain free mobile joint, as reflected by the improvement in the post-op Knee Clinical Score and Knee Functional Score.

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Section: Discussionmentioning

confidence: 97%

The functional outcome after cemented total knee replacement for primary osteoarthritis

Reddy¹,

Ravindran²,

Harish³

2018

Int. J. Orthop. Sci.

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“…The wear of a polyethylene component depends on molecular weight (Rose et al 1979), homogenicity (Schmotzer and Song 1991), thickness (Knutson et al 1981, Bartel et a]. 1986), geometry (Bartel et a].…”

Section: Causes Of Polyethylene Wearmentioning

confidence: 99%

“…Intergranular defects and variations in the crystallinity of the superficial 1-2 mm of the surface increase in vivo and in vitro wear (Elbert et al 1988, Blunn et al 1991, Finlay et al 1991, Wemer et al 1991, Blunn et al 1992, Jensen et al 1992, Li et al 1992. The manufacturing process, for example, heat treatment of the articular surface, heat molding (Bartel et al 1986), gamma irradiation (Rose et al 1979), etc. may adversely affect the resistance to wear.…”

Section: Causes Of Polyethylene Wearmentioning

confidence: 99%

Polyethylene wear in knee arthroplasty

Goodman

Lidgren

1992

Acta Orthopaedica Scandinavica

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“…Poly(methyl methacrylate) (PMMA) bone cement, bone, UHMWPE, metal, and metallic oxide debris may be present between the articulating surfaces of, or accumulated in the tissue adjacent to, the artificial joint. 4,13,15,16 These particles can cause third-body wear of UHMWPE. 1,3,4,13,17 Third-body particles may also damage the metal surfaces.…”

Section: Introductionmentioning

confidence: 99%

Third-body wear of cobalt-chromium-molybdenum implant alloys initiated by bone and poly(methyl methacrylate) particles

Que

Topoleski

2000

J. Biomed. Mater. Res.

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The potential for bone and poly(methyl methacrylate) (PMMA) debris to initiate wear on ASTM-F75 and ASTM-F799 CoCrMo alloys articulating against ultrahigh molecular weight polyethylene (UHMWPE) was investigated. Third-body wear particles of bone and PMMA bone cement (with and without the radiopacifier, barium sulfate) were introduced between CoCrMo and UHMWPE in a reciprocating sliding wear test. A scanning electron microscope and a white light interference surface profilometer were used to study the surface damage and quantify the surface roughnesses of the worn alloys. The CoCrMo alloys, which are widely used as the femoral components in total artificial knees and hips, showed surface damage as the result of wear in the presence of bone or PMMA debris. Severe scratches were generated within 2700 cycles (94.5-m sliding distance) on the alloy's surface. Ploughing was the major wear mechanism. Carbides in the F75 alloy surface appeared to be unaffected by the debris. A quantitative study was performed on the surface roughness (average roughness, R(a), and root mean square roughness, RMS) of the alloy after wear testing. A nonparametric Wilcoxon rank sum test of wear severity (R(a) and RMS) was performed based on the surface roughness data. The surfaces of the specimens tested with the PMMA and bone particles were significantly rougher than those of the controls (p < 0.01). Small scratches also occurred on some of the control specimen surfaces and may have been second-body wear caused by defects and impurities in the UHMWPE.

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On the Origins of High in Vivo Wear Rates in Polyethylene Components of Total Joint Prostheses

Cited by 39 publications

References 0 publications

The functional outcome after cemented total knee replacement for primary osteoarthritis

The functional outcome after cemented total knee replacement for primary osteoarthritis

Polyethylene wear in knee arthroplasty

Third-body wear of cobalt-chromium-molybdenum implant alloys initiated by bone and poly(methyl methacrylate) particles

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