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Year : 2017  |  Volume : 18  |  Issue : 1  |  Page : 8-12

An audit on the appropriateness of coronary computed tomography angiography referrals in a tertiary cardiac center

1 Department of Medicine, Royal College of Surgeons in Ireland, Medical University of Bahrain, Busiateen, Bahrain
2 Mohammed bin Khalifa Cardiac Centre, Bahrain

Correspondence Address:
Mary Lynch
Mohammed Bin Khalifa Bin Salman al Khalifa Cardiac Centre, Bahrain Defence Force Hospital, Al Riffa
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1995-705X.206203

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Background: In response to growing concerns regarding the overuse of coronary computed tomography angiography(CCTA) in the clinical setting, multiple societies, including the American College of Cardiology Foundation, have jointly published revised criteria regarding the appropriate use of this imaging modality. However, previous research indicates significant discrepancies in the rate of adherence to these guidelines. Aim: To assess the appropriateness of CCTA referrals in a tertiary cardiac center in Bahrain. Methods: This retrospective clinical audit examined the records of patients referred to CCTA between the April 1, 2015 and December 31, 2015 inMohammed bin Khalifa Cardiac Center. Using information from medical records, each case was meticulously audited against guidelines to categorize it as appropriate, inappropriate, or uncertain. Results: Of the 234 records examined, 176(75.2%) were appropriate, 47(20.1%) were uncertain, and 11(4.7%) were inappropriate. About 74.4% of all referrals were to investigate coronary artery disease(CAD). The most common indication that was deemed appropriate was the detection of CAD in the setting of suspected ischemic equivalent in patients with an intermediate pretest probability of CAD(65.9%). Most referrals deemed inappropriate were requested to detect CAD in asymptomatic patients at low or intermediate risk of CAD(63.6%). Conclusion: This audit demonstrates a relatively low rate of inappropriate CCTA referrals, indicating the appropriate and efficient use of this resource in theMohammed bin Khalifa Cardiac Center. Agreement on and reclassification of “uncertain” cases by guideline authorities would facilitate a deeper understanding of referral appropriateness.

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