ArticlePloS one2015
Prospectively ECG-Triggered Sequential Dual-Source Coronary CT Angiography in Patients with Atrial Fibrillation: Influence of Heart Rate on Image Quality and Evaluation of Diagnostic Accuracy.
Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Feasibility of alternative trigger deletion to improve 64-slice coronary computed tomography angiography quality in patients with increased heart rate.Quantitative imaging in medicine and surgery · 2025Article
- [The challenging patient-recommendations and solutions].Radiologie (Heidelberg, Germany) · 2024Review
- Diagnostic performance of coronary computed tomography angiography stenosis score for coronary stenosis.BMC medical imaging · 2024Article
- Left Atrial Ejection Fraction Assessed by Prior Cardiac CT Predicts Recurrence of Atrial Fibrillation after Pulmonary Vein Isolation.Journal of clinical medicine · 2021Article
- Aortic roots assessment by an automated three-dimensional transesophageal echocardiography: an intra-individual comparison.The international journal of cardiovascular imaging · 2019Article
- Vital Sign Monitoring and Cardiac Triggering at 1.5 Tesla: A Practical Solution by an MR-Ballistocardiography Fiber-Optic Sensor.Sensors (Basel, Switzerland) · 2019Article
- Low-Dose Radiation Advances in Coronary Computed Tomography Angiography in the Diagnosis of Coronary Artery Disease.Current cardiology reviews · 2019Review
- Article
- Functional Role and Mechanism of microRNA-28b in Atrial Myocyte in a Persistent Atrial Fibrillation Rat Model.Medical science monitor : international medical journal of experimental and clinical research · 2016Article
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8 authors.
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Abstract
objectivesTo evaluate the effects of mean heart rate (HR) and heart rate variation (HRV) on image quality and diagnostic accuracy of prospectively ECG-triggered sequential dual-source coronary CT angiography (CCTA) in patients with atrial fibrillation (AF).
methodsEighty-five patients (49 women, 36 men; mean age 62. 1 ± 9.5 years) with persistent AF underwent prospectively ECG-triggered sequential second-generation dual-source CCTA. Tube current and voltage were adjusted according to body mass index (BMI) and iterative reconstruction was used. Image quality of coronary segments (four-point scale) and presence of significant stenosis (>50%) were evaluated. Diagnostic accuracy was analyzed in 30 of the 85 patients who underwent additional invasive coronary angiography (ICA).
resultsOnly 8 of 1102 (0.7%) segments demonstrated poor image quality. No significant impact on image quality was found for mean HR (94.9 ± 21.8 bpm; r=0.034, p=0.758; F=0.413, p=0.663) or HRV (67.5 ± 22.8 bpm; r=0.097, p=0.377; F=0.111, p=0.895). On per-segment analysis, sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) were 89.7% (26/29), 99.4% (355/357), 92.9% (26/28), and 99.2% (355/358), respectively, with excellent correlation (kappa=0.91) with ICA. Mean effective dose was 3.3 ± 1.0 mSv.
conclusionsProspectively ECG-triggered sequential dual-source CCTA provides diagnostic image quality and good diagnostic accuracy for detection of coronary stenosis in AF patients without significant influence by HR or HRV.
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