Article ; Online: Early computed tomography coronary angiography in adults presenting with suspected acute coronary syndrome: the RAPID-CTCA RCT.
Health technology assessment (Winchester, England)
2023 Volume 26, Issue 37, Page(s) 1–114
Abstract: Background: Acute coronary syndrome is a common medical emergency. The optimal strategy to investigate patients who are at intermediate risk of acute coronary syndrome has not been fully determined.: Objective: To investigate the role of early ... ...
Abstract | Background: Acute coronary syndrome is a common medical emergency. The optimal strategy to investigate patients who are at intermediate risk of acute coronary syndrome has not been fully determined. Objective: To investigate the role of early computed tomography coronary angiography in the investigation and treatment of adults presenting with suspected acute coronary syndrome. Design: A prospective, multicentre, open, parallel-group randomised controlled trial with blinded end-point adjudication. Setting: Thirty-seven hospitals in the UK. Participants: Adults (aged ≥ 18 years) presenting to the emergency department, acute medicine services or cardiology department with suspected or provisionally diagnosed acute coronary syndrome and at least one of the following: (1) a prior history of coronary artery disease, (2) a cardiac troponin level > 99th centile and (3) an abnormal 12-lead electrocardiogram. Interventions: Early computed tomography coronary angiography in addition to standard care was compared with standard care alone. Participants were followed up for 1 year. Main outcome measure: One-year all-cause death or subsequent type 1 (spontaneous) or type 4b (stent thrombosis) myocardial infarction, measured as the time to such event adjudicated by two cardiologists blinded to the computerised tomography coronary angiography ( CTCA ) arm. Cost-effectiveness was estimated as the lifetime incremental cost per quality-adjusted life-year gained. Results: Between 23 March 2015 and 27 June 2019, 1748 participants [mean age 62 years (standard deviation 13 years), 64% male, mean Global Registry Of Acute Coronary Events score 115 (standard deviation 35)] were randomised to receive early computed tomography coronary angiography ( Limitations: The principal limitation of the trial was the slower than anticipated recruitment, leading to a revised sample size, and the requirement to compromise and accept a larger relative effect size estimate for the trial intervention. Future work: The potential role of computed tomography coronary angiography in selected patients with a low probability of obstructive coronary artery disease (intermediate or mildly elevated level of troponin) or who have limited access to invasive cardiac catheterisation facilities needs further prospective evaluation. Conclusions: In patients with suspected or provisionally diagnosed acute coronary syndrome, computed tomography coronary angiography did not alter overall coronary therapeutic interventions or 1-year clinical outcomes, but it did increase the length of hospital stay and health-care costs. These findings do not support the routine use of early computed tomography coronary angiography in intermediate-risk patients with acute chest pain. Trial registration: This trial is registered as ISRCTN19102565 and Clinical Trials NCT02284191. Funding: This project was funded by the National Institute for Health and Care Research (NIHR) Health Technology Assessment programme and will be published in full in |
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MeSH term(s) | Acute Coronary Syndrome/diagnostic imaging ; Adult ; Coronary Angiography ; Coronary Artery Disease/therapy ; Cost-Benefit Analysis ; Female ; Humans ; Male ; Middle Aged ; Quality of Life ; Tomography ; Troponin |
Chemical Substances | Troponin |
Language | English |
Publishing date | 2023-02-06 |
Publishing country | England |
Document type | Journal Article ; Multicenter Study ; Randomized Controlled Trial ; Research Support, Non-U.S. Gov't |
ZDB-ID | 2006765-3 |
ISSN | 2046-4924 ; 1366-5278 |
ISSN (online) | 2046-4924 |
ISSN | 1366-5278 |
DOI | 10.3310/IRWI5180 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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