Mobile Stroke Unit in the UK Healthcare System: Avoidance of Unnecessary Accident and Emergency Admissions

Iris Q. Grunwald, Daniel J. Phillips, David Sexby, Viola Wagner, Martin Lesmeister, Monika Bachhuber, Shrey Mathur, Paul Guyler, James Fisher, Saman Perera, Stefan A. Helwig, Andrea Schottek, Ian Ewart, Nisha Menon, Muhammad Inam Ul Haq, Daniel Grün, Fatma Merzou, Caroline Howard, Sarah Mapplebeck, David DommettSajid Alam, Annie Chakrabarti, Stephen Gerry, Chris Wiltshire, Marcus Bailey, Thomas Bertsch, Theresa Foster, Tom Davis, Wolfgang Reith, Klaus Fassbender, Silke Walter

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Abstract

Background: Acute stroke patients are usually transported to the nearest hospital regardless of their required level of care. This can lead to increased pressure on emergency departments and treatment delay.

Objective: The aim of the study was to explore the benefit of a mobile stroke unit (MSU) in the UK National Health Service (NHS) for reduction of hospital admissions.

Methods: Prospective cohort audit observation with dispatch of the MSU in the East of England Ambulance Service area in Southend-on-Sea was conducted. Emergency patients categorized as code stroke and headache were included from June 5, 2018, to December 18, 2018. Rate of avoided admission to the accident and emergency (A&E) department, rate of admission directly to target ward, and stroke management metrics were assessed.

Results: In 116 MSU-treated patients, the following diagnoses were made: acute stroke, n = 33 (28.4%); transient ischaemic attacks, n = 13 (11.2%); stroke mimics, n = 32 (27.6%); and other conditions, n = 38 (32.8%). Pre-hospital thrombolysis was administered to 8 of 28 (28.6%) ischaemic stroke patients. Pre-hospital diagnosis avoided hospital admission for 29 (25.0%) patients. As hospital treatment was indicated, 35 (30.2%) patients were directly triaged to the stroke unit, 1 patient (0.9%) even directly to the catheter laboratory. Thus, only 50 (43.1%) patients required transfer to the A&E department. Moreover, the MSU enabled thrombolysis with a median dispatch-to-needle time of 42 min (interquartile range, 40-60).

Conclusion: This first deployment of an MSU in the UK NHS demonstrated improved triage decision-making for or against hospital admission and admission to the appropriate target ward, thereby reducing pressure on strained A&E departments.

Original languageEnglish
Pages (from-to)388-395
Number of pages8
JournalCerebrovascular Diseases
Volume49
Issue number4
Early online date26 Aug 2020
DOIs
Publication statusPublished - 1 Sep 2020

Keywords

  • Stroke
  • Pre-hospital
  • Mobile stroke unit
  • Triage
  • Large vessel occlusion
  • Thrombolysis

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