Costa, Matthew L., Achten, Juul, Foguet, Pedro and Parsons, Nicholas R. (2018) Comparison of hip function and quality of life of total hip arthroplasty and resurfacing arthroplasty in the treatment of young patients with arthritis of the hip joint at 5 years. BMJ Open, 8 (3). e018849. doi:10.1136/bmjopen-2017-018849 ISSN 2044-6055.

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Abstract

ObjectiveTo compare the medium-term clinical effectiveness of total hip arthroplasty and resurfacing arthroplasty.DesignSingle centre, two-arm, parallel group, assessor blinded, randomised controlled trial with 1:1 treatment allocation.SettingA large teaching hospital in England.Participants122 patients older than 18 years with severe arthritis of the hip joint, suitable for resurfacing arthroplasty of the hip. Patients were excluded if they were considered to be unable to adhere to trial procedures or complete questionnaires.InterventionsTotal hip arthroplasty (replacement of entire femoral head and neck); hip resurfacing arthroplasty (replacement of the articular surface of femoral head only, femoral neck remains intact). Both procedures replaced the articular surface of the acetabulum.OutcomesThe outcome measures were hip function assessed using the Oxford Hip Score (OHS) and health-related quality of life assessed using the EuroQol (EQ-5D). Patients were followed up annually for a minimum of 5 years. Outcome data were modelled using the generalised estimating equation methodology to explore temporal variations during follow-up.Results60 patients were randomly assigned to hip resurfacing arthroplasty and 62 to total hip arthroplasty. 95 (78%) of the 122 original study participants provided data at 5 years. There was a small decrease in both hip functions and quality of life in both groups of patients each year during the 5-year follow-up period. However, there was no evidence of a significant difference between treatments group in the OHS (P=0.333) or the EQ-5D (P=0.501).ConclusionsWe previously reported no difference in outcome in the first year after surgery. The current medium-term results also show no evidence of a difference in hip function or health-related quality of life in the 5 years following a total hip arthroplasty versus resurfacing arthroplasty.Trial registration numberISRCTN33354155. UKCRN 4093.

Item Type:	Journal Article
Divisions:	Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School
SWORD Depositor:	Library Publications Router
Journal or Publication Title:	BMJ Open
Publisher:	BMJ Publishing Group
ISSN:	2044-6055
Official Date:	12 March 2018
Dates:	Date Event 12 March 2018 Published 12 January 2018 Accepted
Volume:	8
Number:	3
Article Number:	e018849
DOI:	10.1136/bmjopen-2017-018849
Status:	Peer Reviewed
Publication Status:	Published
Reuse Statement (publisher, data, author rights):
Access rights to Published version:	Open Access (Creative Commons)
Date of first compliant deposit:	21 February 2019
Date of first compliant Open Access:	21 February 2019
Related URLs:	http://creativecommons.org/licenses/by/4...
Contributors:	Contribution Name Contributor ID UNSPECIFIED Costa, Matt UNSPECIFIED UNSPECIFIED Foguet, Pedro UNSPECIFIED UNSPECIFIED Prakash, Udai UNSPECIFIED UNSPECIFIED Griffin, Damian UNSPECIFIED UNSPECIFIED King, Richard UNSPECIFIED UNSPECIFIED Krikler, Steve UNSPECIFIED UNSPECIFIED Pereira, Gavin UNSPECIFIED

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