Garriga, C, Murphy, J, Leal, J, Arden, NK, Price, AJ, Prieto-Alhambra, D, Carr, AJ, Rangan, A, Cooper, C, Peat, G ORCID: https://orcid.org/0000-0002-9008-0184, Fitzpatrick, R, Barker, KL and Judge, A (2019) Assessment on patient outcomes of primary hip replacement: an interrupted time series analysis from 'The National Joint Registry of England and Wales'. BMJ Open, 9 (11). e031599 - ?.

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Abstract

OBJECTIVES:
Effects of the UK Department of Health's national Enhanced Recovery After Surgery (ERAS) Programme on outcomes after primary hip replacement.

DESIGN: Natural experimental study using interrupted time series to assess the changes in trends before, during and after ERAS implementation (April 2009 to March 2011).

SETTING: Surgeries in the UK National Joint Registry were linked with Hospital Episode Statistics containing inpatient episodes from National Health Service trusts in England and patient reported outcome measures.

PARTICIPANTS: Patients aged ≥18 years from 2008 to 2016.

MAIN OUTCOME MEASURES: Regression coefficients of monthly means of length of hospital stay, bed day cost, change in Oxford Hip Scores (OHS) 6 months post-surgery, complications 6 months post-surgery and revision rates 5 years post-surgery. RESULTS: 438 921 primary hip replacements were identified. Hospital stays shortened from 5.6 days in April 2008 to 3.6 in December 2016. There were also improvements in bed day costs (£7573 in April 2008 to £5239 in December 2016), positive change in self-reported OHS from baseline to 6 months post-surgery (17.7 points in April 2008 to 22.9 points in December 2016), complication rates (4.1% in April 2008 to 1.7% March 2016) and 5 year revision rates (5.9 per 1000 implant-years (95% CI 4.8 to 7.2) in April 2008 to 2.9 (95% CI 2.2 to 3.9) in December 2011). The positive trends in all outcomes started before ERAS was implemented and continued during and after the programme.

CONCLUSIONS: Patient outcomes after hip replacement have improved over the last decade. A national ERAS programme maintained this improvement but did not alter the existing rate of change.

Item Type: Article
Additional Information: This is the final published version of the article (version of record). It first appeared online via BMJ Publishing Group at http://doi.org/10.1136/bmjopen-2019-031599 - please refer to any applicable terms of use of the publisher.
Uncontrolled Keywords: epidemiology, health economics, health services administration & management, hip
Subjects: R Medicine > RA Public aspects of medicine
Divisions: Faculty of Medicine and Health Sciences > Primary Care Health Sciences
Related URLs:
Depositing User: Symplectic
Date Deposited: 29 Nov 2019 15:40
Last Modified: 11 Mar 2020 10:03
URI: http://eprints.keele.ac.uk/id/eprint/7319

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