Not all cementless femoral stems are created equal but the results may be comparable

S W Carlson; S S Liu; J J Callaghan

doi:10.1302/0301-620X.99B1.BJJ-2016-0269.R1

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Not all cementless femoral stems are created equal but the results may be comparable

Journal article

Peer reviewed

Not all cementless femoral stems are created equal but the results may be comparable

S W Carlson, S S Liu and J J Callaghan

The bone & joint journal, Vol.99-B(1 Supple A), pp.14-17

01/2017

DOI: 10.1302/0301-620X.99B1.BJJ-2016-0269.R1

PMID: 28042113

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Abstract

The aim of this study was to compare the survivorship and radiographic outcomes at ten-year follow-up of three prospective consecutive series of patients each of which received a different design of cementless femoral components for total hip arthroplasty (THA). In Cohort 1, 91 consecutive patients (100 hips) underwent THA with a cementless porous-coated anatomic femoral stem (PCA) between October 1983 and January 1986. In Cohort 2, 86 consecutive patients (100 hips) underwent THA with an extensively porous-coated cementless femoral stem (Prodigy) between June 1994 and October 1997. In Cohort 3, 88 consecutive patients (100 hips) underwent THA with a proximally porous-coated triple-tapered cementless stem (Summit) between April 2002 and October 2003. All three groups underwent prospective clinical and radiographic evaluation. Kaplan-Meier survivorship analysis of Cohort 1 was 91% (95% confidence interval (CI) 88 to 94) with an endpoint of revision for any reason and 97% (95% CI 95 to 99) with aseptic loosening as the endpoint. Survivorship of Cohort 2 was 88% (95% CI 79 to 97) for revision for any reason and 100% for aseptic loosening. Survivorship of Cohort 3 was 95% (95% CI 91 to 99) for revision for any reason and 100% with aseptic loosening as the endpoint. With revision for aseptic loosening of the femoral component as the endpoint, the three femoral components with different design philosophies demonstrated excellent survivorship, ranging from 97% to 100% at ten years. Cite this article: Bone Joint J 2017;99-B(1 Supple A):14-17.

Adult

Aged

Aged, 80 and over

Arthroplasty, Replacement, Hip - instrumentation

Arthroplasty, Replacement, Hip - methods

Bone Cements

Cementation

Cohort Studies

Female

Follow-Up Studies

Hip Prosthesis

Humans

Kaplan-Meier Estimate

Male

Middle Aged

Porosity

Prospective Studies

Prosthesis Design

Prosthesis Failure

Reoperation - statistics & numerical data

Surface Properties

Treatment Outcome

Young Adult

Details

Title: Subtitle: Not all cementless femoral stems are created equal but the results may be comparable
Creators: S W Carlson - University of Iowa
S S Liu - University of Iowa
J J Callaghan - University of Iowa
Resource Type: Journal article
Publication Details: The bone & joint journal, Vol.99-B(1 Supple A), pp.14-17
DOI: 10.1302/0301-620X.99B1.BJJ-2016-0269.R1
PMID: 28042113
ISSN: 2049-4394
eISSN: 2049-4408
Language: English
Date published: 01/2017
Academic Unit: Roy J. Carver Department of Biomedical Engineering; Orthopedics and Rehabilitation
Record Identifier: 9984622052702771

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13 Times Cited - Web of Science