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- W2629732151 abstract "Background: Invasive coronary angiography (ICA) is the diagnostic gold standard for coronary artery disease (CAD). Aim: The purpose of this study was to assess the diagnostic yield of non-invasive testing in patients undergoing elective ICA for suspected CAD. Method: We performed a retrospective study of 240 patients without known CAD undergoing elective ICA due to chest pain. Data were analysed from ANZACS QI Cath/PCI registry and angiogram reports from 1/1/2015 to 31/12/2015 in Waikato Hospital. Obstructive CAD was defined as the presence of at least ≥50% stenosis on ICA. Patients with previous CAD (defined as previous acute coronary syndrome and previous revascularisation) and symptoms other than chest pain were excluded from the study. Results: Referrals without non-invasive testing occurred in 3% of patients.Tabled 1CharacteristicObstructive CAD (N = 133)No Obstructive CAD (N = 107)p ValueMean Age (years)67 8.964 9.70.0259Male100(75.2%)54(50.5%)0.0001Exercise Tolerance Test (ETT) Positive91570.0001Myocardial Perfusion Imaging (MPI) Positive14180.2588Coronary CT Angiography (CCTA)1271.000 Open table in a new tab Tabled 1Treatment Outcome following Elective Coronary AngiogramMedical TreatmentPCICABGTotal155 (65.1%)54(22.7%)29(12.2%)238Positive ETT86(58.1%)38(25.7%)24(16.2%)148Positive MPI27(84.4%)3(9.3%)2(6.3%)32Positive CCTA12(63.2%)7(36.8%)019 Open table in a new tab Conclusion: Our study shows that 45% of patients undergoing elective ICA did not have obstructive CAD, despite 76% having a positive non-invasive test. Low rates of obstructive CAD and myocardial revascularisation were found in the positive MPI group. Our results suggest the need for a better non-invasive test for suspected CAD." @default.
- W2629732151 created "2017-06-30" @default.
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- W2629732151 date "2017-01-01" @default.
- W2629732151 modified "2023-09-30" @default.
- W2629732151 title "Diagnostic Yield of Non-Invasive Tests for Elective Coronary Angiography in Waikato Hospital" @default.
- W2629732151 doi "https://doi.org/10.1016/j.hlc.2017.05.056" @default.
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