A Delphi Study and Ranking Exercise to Support Commissioning Services: Future Delivery of Thrombectomy Services in England

Halvorsrud, Kristoffer, Flynn, Darren, Ford, Gary A., McMeekin, Peter, Bhalla, Ajay, Balami, Joyce, Craig, Dawn and White, Phil (2018) A Delphi Study and Ranking Exercise to Support Commissioning Services: Future Delivery of Thrombectomy Services in England. BMC Health Services Research, 18 (1). p. 135. ISSN 1472-6963

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Official URL: https://doi.org/10.1186/s12913-018-2922-3

Abstract

Background:
Intra-arterial thrombectomy is the gold standard treatment for large artery occlusive stroke. However, the evidence of its benefits is almost entirely based on trials delivered by experienced neurointerventionists working in established teams in neuroscience centres. Those responsible for the design and prospective reconfiguration of services need access to a comprehensive and complementary array of information on which to base their decisions. This will help to ensure the demonstrated effects from trials may be realised in practice and account for regional/local variations in resources and skill-sets. One approach to elucidate the implementation preferences and considerations of key experts is a Delphi survey. In order to support commissioning decisions, we aimed to using an electronic Delphi survey to establish consensus on the options for future organisation of thrombectomy services among physicians with clinical experience in managing large artery occlusive stroke.

Methods:
A Delphi survey was developed with 12 options for future organisation of thrombectomy services in England. A purposive sampling strategy established an expert panel of stroke physicians from the British Association of Stroke Physicians (BASP) Clinical Standards and/or Executive Membership that deliver 24/7 intravenous thrombolysis. Options with aggregate scores falling within the lowest quartile were removed from the subsequent Delphi round. Options reaching consensus following the two Delphi rounds were then ranked in a final exercise by both the wider BASP membership and the British Society of Neuroradiologists (BSNR).

Results:
Eleven stroke physicians from BASP completed the initial two Delphi rounds. Three options achieved consensus, with subsequently wider BASP (97%, n=43) and BSNR members (86%, n=21) assigning the highest approval rankings in the final exercise for transferring large artery occlusive stroke patients to nearest neuroscience centre for thrombectomy based on local CT/CT Angiography.

Conclusions:
The initial Delphi rounds ensured optimal reduction of options by an expert panel of stroke physicians, while subsequent ranking exercises allowed remaining options to be ranked by a wider group of experts within stroke to reach consensus. The preferred implementation option for thrombectomy is conveying suspected stroke patients for CT/CT Angiography and secondary transfer of large artery occlusive stroke patients to the nearest neuroscience centre.

Item Type: Article
Additional Information: Funding information: This paper summarises independent research funded by the National Institute for Health Research (NIHR) under its Programme Grant for Applied Research Programme (RP-PG-1211-20012). The views expressed are those of the author(s) and not necessarily those of the NHS, the NIHR or the Department of Health.
Uncontrolled Keywords: Delphi exercise; service organisation; consensus; neurointervention; intra-arterial thrombectomy
Subjects: B700 Nursing
B900 Others in Subjects allied to Medicine
Department: Faculties > Health and Life Sciences > Nursing, Midwifery and Health
Depositing User: Paul Burns
Date Deposited: 23 Feb 2018 10:10
Last Modified: 10 Nov 2021 13:00
URI: http://nrl.northumbria.ac.uk/id/eprint/33424

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