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Coronary artery disease
Original research
UK perspective on the changing landscape of non-invasive cardiac testing
  1. Alex Asher1,
  2. Rahul Ghelani1,
  3. George Thornton1,
  4. Krishnaraj Rathod1,
  5. Daniel Jones1,2,
  6. Andrew Wragg2,3 and
  7. Adam Timmis2,3
  1. 1Cardiology, Barts Health NHS Trust, London, UK
  2. 2Faculty of Medicine and Dentistry, Barts and The London School of Medicine and Dentistry Postgraduate Studies, London, UK
  3. 3Cardiology, Barts Health NHS Trust, London, UK
  1. Correspondence to Dr Alex Asher; alex.asher{at}bartshealth.nhs.uk

Abstract

Objective To document UK rates of exercise treadmill testing, functional stress testing and CT coronary angiography (CTCA). Specific aims were to determine how rates have changed in the context of changing guideline recommendations within the UK and to identify regional inequalities in the utilisation of testing modalities. Secondary objectives were to compare these trends with national data on revascularisation.

Methods 159 acute National Health Service trusts were served Freedom of Information (FOI) requests to provide total numbers of CTCA and functional imaging tests for each financial year from 2011–2012 to 2016–2017.

Results The FOI requests yielded data from 88% of Trusts, increasing from 81.9% in 2011–2012% to 92.1% in 2016–2017. Exercise treadmill tests (ETTs) were performed by over 97% of Trusts. ETT was the most commonly performed diagnostic test in the UK across the study period despite declining by 8.4%. Utilisation of non-invasive stress imaging tests increased by 80.9% during the same period. Myocardial perfusion scintigraphy and stress echocardiography increased by 25.8% and 73.9%, respectively. The 268% increase in CTCA scans was yet greater. Trends in test utilisation during the study period showed important regional differences between devolved nations. Comparably, only small changes in rates of invasive coronary angiography and revascularisation have been reported during the study period.

Conclusion Non-invasive imaging in UK Trusts has increased substantially since 2010 with only a small decline in use of the ETT and minimal changes in rates of invasive coronary angiography and revascularisation in the same time period.

  • electrocardiography
  • echocardiography
  • coronary artery disease

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

https://doi.org/10.1136/openhrt-2019-001186

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    Footnotes

    • Contributors AA, RG and GT collected and analysed the data. AA drafted the manuscript. AW, KR, DJ provided critical analysis and helped re-draft the manuscript. AT edited the final version of the manuscript.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Map disclaimer The depiction of boundaries on the map(s) in this article do not imply the expression of any opinion whatsoever on the part of BMJ (or any member of its group) concerning the legal status of any country, territory, jurisdiction or area or of its authorities. The map(s) are provided without any warranty of any kind, either express or implied.

    • Competing interests None declared.

    • Patient consent for publication Not required.

    • Provenance and peer review Not commissioned; externally peer reviewed.

    • Data availability statement Data are available upon reasonable request.