A 5-8 Year Retrospective Follow-Up of the C-Stem AMT Femoral Component: Patient Reported Outcomes and Survivorship Analysis

James R. Berstock; Michael R. Whitehouse; Danielle C. Piper; Stephen J. Eastaugh-Waring; Ashley W. Blom

doi:10.1016/j.arth.2014.04.034

A 5-8 Year Retrospective Follow-Up of the C-Stem AMT Femoral Component: Patient Reported Outcomes and Survivorship Analysis

James R. Berstock^*, Michael R. Whitehouse, Danielle C. Piper, Stephen J. Eastaugh-Waring, Ashley W. Blom

^*Corresponding author for this work

Research output: Contribution to journal › Article (Academic Journal) › peer-review

4 Citations (Scopus)

Abstract

We report midterm functional, radiographic and survivorship data for the cemented, triple taper C-stem AMT femoral component from a consecutive cohort of 415 hip arthroplasties in 386 patients at a non-developer centre. Follow-up ranges were from 60 to 99 months, with a mean of 76 months. 32 hips were lost to follow-up. The median OHS was 40, median SF-12 mental component score (MCS) was 50, and median SF-12 physical component score (PCS) was 39. At 99 months follow up, stem survivorship is 96.9% (95% confidence interval (CI) 82.5-99.5), and construct survivorship is 96.0% (95% CI 84.2-99.0). Adverse events such as calcar fracture, greater trochanter fracture and dislocation were rare at < 1%. There have been no revisions for aseptic loosening.

Original language	English
Journal	Journal of Arthroplasty
Early online date	4 May 2014
DOIs	https://doi.org/10.1016/j.arth.2014.04.034
Publication status	Published - Sep 2014

Bibliographical note

Structured keywords

Centre for Surgical Research

Keywords

arthroplasty
bone cement
hip
replacement
survival rate
treatment outcome

Access to Document

10.1016/j.arth.2014.04.034

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title = "A 5-8 Year Retrospective Follow-Up of the C-Stem AMT Femoral Component: Patient Reported Outcomes and Survivorship Analysis",

abstract = "We report midterm functional, radiographic and survivorship data for the cemented, triple taper C-stem AMT femoral component from a consecutive cohort of 415 hip arthroplasties in 386 patients at a non-developer centre. Follow-up ranges were from 60 to 99 months, with a mean of 76 months. 32 hips were lost to follow-up. The median OHS was 40, median SF-12 mental component score (MCS) was 50, and median SF-12 physical component score (PCS) was 39. At 99 months follow up, stem survivorship is 96.9% (95% confidence interval (CI) 82.5-99.5), and construct survivorship is 96.0% (95% CI 84.2-99.0). Adverse events such as calcar fracture, greater trochanter fracture and dislocation were rare at < 1%. There have been no revisions for aseptic loosening.",

keywords = "arthroplasty, bone cement, hip, replacement, survival rate, treatment outcome",

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T2 - Patient Reported Outcomes and Survivorship Analysis

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AU - Whitehouse, Michael R.

AU - Piper, Danielle C.

AU - Eastaugh-Waring, Stephen J.

AU - Blom, Ashley W.

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N2 - We report midterm functional, radiographic and survivorship data for the cemented, triple taper C-stem AMT femoral component from a consecutive cohort of 415 hip arthroplasties in 386 patients at a non-developer centre. Follow-up ranges were from 60 to 99 months, with a mean of 76 months. 32 hips were lost to follow-up. The median OHS was 40, median SF-12 mental component score (MCS) was 50, and median SF-12 physical component score (PCS) was 39. At 99 months follow up, stem survivorship is 96.9% (95% confidence interval (CI) 82.5-99.5), and construct survivorship is 96.0% (95% CI 84.2-99.0). Adverse events such as calcar fracture, greater trochanter fracture and dislocation were rare at < 1%. There have been no revisions for aseptic loosening.

AB - We report midterm functional, radiographic and survivorship data for the cemented, triple taper C-stem AMT femoral component from a consecutive cohort of 415 hip arthroplasties in 386 patients at a non-developer centre. Follow-up ranges were from 60 to 99 months, with a mean of 76 months. 32 hips were lost to follow-up. The median OHS was 40, median SF-12 mental component score (MCS) was 50, and median SF-12 physical component score (PCS) was 39. At 99 months follow up, stem survivorship is 96.9% (95% confidence interval (CI) 82.5-99.5), and construct survivorship is 96.0% (95% CI 84.2-99.0). Adverse events such as calcar fracture, greater trochanter fracture and dislocation were rare at < 1%. There have been no revisions for aseptic loosening.

KW - arthroplasty

KW - bone cement

KW - hip

KW - replacement

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