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- Title
Randomized controlled trial of relaxation music to reduce heart rate in patients undergoing cardiac CT.
- Authors
Ng, Ming; Karimzad, Yasser; Menezes, Ravi; Wintersperger, Bernd; Li, Qin; Forero, Julian; Paul, Narinder; Nguyen, Elsie; Ng, Ming Yen; Menezes, Ravi J; Wintersperger, Bernd J; Paul, Narinder S; Nguyen, Elsie T
- Abstract
<bold>Objectives: </bold>To evaluate the heart rate lowering effect of relaxation music in patients undergoing coronary CT angiography (CCTA), pulmonary vein CT (PVCT) and coronary calcium score CT (CCS).<bold>Methods: </bold>Patients were randomised to a control group (i.e. standard of care protocol) or to a relaxation music group (ie. standard of care protocol with music). The groups were compared for heart rate, radiation dose, image quality and dose of IV metoprolol. Both groups completed State-Trait Anxiety Inventory anxiety questionnaires to assess patient experience.<bold>Results: </bold>One hundred and ninety-seven patients were recruited (61.9 % males); mean age 56y (19-86 y); 127 CCTA, 17 PVCT, 53 CCS. No significant difference in heart rate, radiation dose, image quality, metoprolol dose and anxiety scores. 86 % of patients enjoyed the music. 90 % of patients in the music group expressed a strong preference to have music for future examinations. The patient cohort demonstrated low anxiety levels prior to CT.<bold>Conclusion: </bold>Relaxation music in CCTA, PVCT and CCS does not reduce heart rate or IV metoprolol use. Patients showed low levels of anxiety indicating that anxiolytics may not have a significant role in lowering heart rate. Music can be used in cardiac CT to improve patient experience.<bold>Key Points: </bold>• Relaxation music does not reduce heart rate in cardiac CT • Relaxation music does not reduce beta-blocker use in cardiac CT • Relaxation music has no effect on cardiac CT image quality • Low levels of anxiety are present in patients prior to cardiac CT • Patients enjoyed the relaxation music and this results in improved patient experience.
- Subjects
HEART rate monitoring; MUSIC for relaxation; COMPUTED tomography; PULMONARY veins; RANDOMIZED controlled trials; CORONARY angiography
- Publication
European Radiology, 2016, Vol 26, Issue 10, p3635
- ISSN
0938-7994
- Publication type
journal article
- DOI
10.1007/s00330-016-4215-8