Total hip arthroplasty with a cemented, polished, collared femoral stem and a cementless acetabular component. A follow-up study at a minimum of ten years.

Total hip arthroplasty with a cemented, polished, collared femoral stem and a cementless acetabular component. A follow-up study at a minimum of ten years. Research Abstract Details 

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Total hip arthroplasty with a cemented, polished, collared femoral stem and a cementless acetabular component. A follow-up study at a minimum of ten years. Abstract Text:

Daniel E Firestone,John J Callaghan,Steve S Liu,Devon D Goetz,Patrick M Sullivan,David A Vittetoe,Richard C Johnston,

BACKGROUND: Recent studies have suggested that cemented femoral components with a polished surface may provide superior long-term fixation when compared with femoral components with a roughened surface. The purpose of this study was to evaluate the results of total hip arthroplasty with a cemented femoral component with a polished surface finish and compare them with the results of total hip arthroplasty performed with a similar design of cemented femoral component with a rougher surface finish. METHODS: We retrospectively reviewed a consecutive group of 132 patients (149 hips) in whom primary total hip arthroplasty had been performed by one surgeon using a cemented collared femoral component with a polished (0.1-microm Ra) surface finish and a cementless acetabular component. Ninety-eight patients (115 hips) were followed for a minimum of ten years. We compared the survivorship of this prosthesis with that of a femoral component of similar design but with rougher surfaces (matte or grit-blasted). RESULTS: No polished stems were revised because of aseptic loosening or demonstrated radiographic evidence of loosening; however, eight hips (5.4%) with a polished stem demonstrated osteolysis distal to the greater or lesser tro-chanter. In contrast, six stems (2.0%) with a matte surface finish of 0.8-microm Ra were revised because of aseptic loosening, and an additional five stems were seen to be loose radiographically. Eleven stems (9.2%) with a grit-blasted surface finish of 2.1-microm Ra were revised because of aseptic loosening, and an additional four stems were seen to be loose radiographically. The difference in the prevalence of revision due to aseptic loosening between the group with the 0.1-microm Ra surface and the group with the 2.1-microm Ra surface was significant (p = 0.001), as was the difference between the prevalence of revision due to aseptic loosening between the group with the 0.8-microm Ra surface and the group with the 2.1-microm Ra surface (p = 0.001). No cups were revised because of aseptic loosening, and one hip had radiographic signs of acetabular loosening. CONCLUSIONS: This study demonstrated excellent durability of a prosthesis consisting of a cemented, collared, polished femoral component and a cementless acetabular component. While no hips were revised because of aseptic loosening, distal femoral osteolysis was observed in eight hips (5.4%), a higher prevalence than has been reported by others after similar durations of follow-up of tapered, collarless, polished femoral components.

Total hip arthroplasty with a cemented, polished, collared femoral stem and a cementless acetabular component. A follow-up study at a minimum of ten years. Publishing Authors By Initials

DE Firestone,JJ Callaghan,SS Liu,DD Goetz,PM Sullivan,DA Vittetoe,RC Johnston,

For similar diagnosis: prognosis: treatment outcome research abstracts see: diagnosis: prognosis: treatment outcome research

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Total hip arthroplasty with a cemented, polished, collared femoral stem and a cementless acetabular component. A follow-up study at a minimum of ten years. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: The Journal of bone and joint surgery. American vo

VOLUME: 89

Page Numbers: 126-32

Journal Abbreviation:

ISSN: 0021-9355

DAY: 3

MONTH: Jan

YEAR: 2007

Total hip arthroplasty with a cemented, polished, collared femoral stem and a cementless acetabular component. A follow-up study at a minimum of ten years. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 14030

Total hip arthroplasty with a cemented, polished, collared femoral stem and a cementless acetabular component. A follow-up study at a minimum of ten years. Keywords Mesh Terms:

KEYWORDS: Treatment Outcome

MESH TERMS: diagnosis

Chemical & Substance for Abstract: Total hip arthroplasty with a cemented, polished, collared femoral stem and a cementless acetabular component. A follow-up study at a minimum of ten years. Information

Substance Name: Polyethylenes

Registry Number: 0

Grant and Affiliation Information for Total hip arthroplasty with a cemented, polished, collared femoral stem and a cementless acetabular component. A follow-up study at a minimum of ten years.

AFFILIATION: Department of Orthopaedics, University of Iowa Health Care, 200 Hawkins Drive, Iowa City, IA 52242, USA.

Country: United States

AGENCY: United States NIAMS

GRANT: R01 AR047653-04

ACRONYM: AR

MEDLINETA: J Bone Joint Surg Am

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