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A new model of care and in-house general practitioners for residential aged care facilities: a stepped wedge, cluster randomised trial

Haines, TP, Palmer, AJ ORCID: 0000-0002-9703-7891, Tierney, P, Si, L ORCID: 0000-0002-3044-170X and Robinson, AL 2020 , 'A new model of care and in-house general practitioners for residential aged care facilities: a stepped wedge, cluster randomised trial' , Medical Journal of Australia, vol. 212, no. 9 , pp. 409-415 , doi: 10.5694/mja2.50565.

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Objectives: To evaluate whether an alternative model of care in aged care facilities, including in-house general practitioners, influenced health outcomes for residents. Design: Stepped wedge, cluster randomised controlled trial over 90 weeks (31 December 2012 - 21 September 2014), with a 54-week pre-trial retrospective data period (start: 19 December 2011) and a 54-week post-trial prospective data collection period (to 4 October 2015). Participants, setting: Fifteen residential aged care facilities operated by Bupa Aged Care in metropolitan and regional cities in four Australian states. Intervention: Residential aged care facilities sought to recruit general practitioners as staff members; care staff roles were redefined to allow registered nurses greater involvement in care plan development. Main (primary) outcome measures: Numbers of falls; numbers of unplanned transfers to hospital; polypharmacy. Results: The new model of care could be implemented in all facilities, but four could not recruit in-house GPs at any time during the trial period. Intention-to-treat analyses found no statistically significant effect of the intervention on the primary outcome measures. Contamination-adjusted intention-to-treat analyses identified that the presence of an in-house GP was associated with reductions in the numbers of unplanned hospital transfers (incidence rate ratio [IRR], 0.53; 95% CI, 0.43-0.66) and admissions (IRR, 0.52; 95% CI, 0.41-0.64) and of out-of-hours GP call-outs (IRR, 0.54; 95% CI, 0.36-0.80), but also with an increase in the number of reported falls (IRR, 1.37; 95% CI, 1.20-1.58). Conclusions: Recruiting GPs to work directly in residential aged care facilities is difficult, but may reduce the burden of unplanned presentations to hospitals and increase the reporting of adverse events.

Item Type: Article
Authors/Creators:Haines, TP and Palmer, AJ and Tierney, P and Si, L and Robinson, AL
Keywords: falls, general practice, health services for the aged, nursing care, polypharmacy
Journal or Publication Title: Medical Journal of Australia
Publisher: Australasian Med Publ Co Ltd
ISSN: 0025-729X
DOI / ID Number: 10.5694/mja2.50565
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