ArticleThe British journal of radiology2015
CT coronary angiography in atrial fibrillation: a comparison of radiation dose and diagnostic confidence with retrospective gating vs prospective gating with systolic acquisition.
Article in The British journal of radiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 12 citations in OpenAlex.
- Evaluation of the CT imaging findings in patients newly diagnosed with chronic thromboembolic pulmonary hypertension.PloS one · 2018Trial
- Radiation dose optimization in coronary CT angiography clinical application of absolute phase gating in patients with atrial fibrillation.Journal of applied clinical medical physics · 2026Article
- CT Coronary Angiography: Technical Approach and Atherosclerotic Plaque Characterization.Journal of clinical medicine · 2023Review
- The role of CT in arrhythmia management-treatment planning and post-procedural imaging surveillance.The British journal of radiology · 2023Review
- Computed Tomography Imaging in Simulated Ongoing Cardiopulmonary Resuscitation: No Need to Switch Off the Chest Compression Device during Image Acquisition.Diagnostics (Basel, Switzerland) · 2021Article
- Predicting Left Atrial Appendage Thrombus from Left Atrial Volume and Confirmation by Computed Tomography with Delayed Enhancement.Texas Heart Institute journal · 2020Article
- Diagnosis of coronary artery disease in patients with atrial fibrillation using low tube voltage coronary CT angiography with isotonic low-concentration contrast agent.The international journal of cardiovascular imaging · 2019Article
- Localized Aortic Root Dissection with a Superior Mesenteric Artery Aneurysm.Annals of vascular diseases · 2017Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo compare unmodulated, retrospective electrocardiographic (ECG) gating to prospective ECG gating with systolic acquisition for CT coronary angiography (CTCA) in patients with atrial fibrillation (AF), considering the radiation dose and the diagnostic confidence achieved with each technique.
methodsA retrospective service evaluation was conducted before and after prospective gating with systolic acquisition replaced retrospectively gated imaging for patients with AF undergoing CTCA at our institution. 25 consecutive patients were examined in each group. The scan parameters and radiation dose information had been collected in a prospective fashion. The image sets were read by blinded, expert readers who rated their diagnostic confidence using a 5-point Likert scale.
resultsThe radiation dose received by patients was significantly greater in the retrospectively gated group than those being scanned using prospective gating (21 vs 5.9 mSv, p < 0.01). The prospective gating technique was also associated with greater diagnostic confidence (mean, per-patient score 3.09 vs 3.78, p = 0.02).
conclusionProspective gating with systolic acquisition appears to improve diagnostic confidence at a significantly reduced radiation dose compared with retrospective gating in patients with AF. ADVANCES IN KNOWLEDGE: The use of prospective gating with systolic triggering significantly reduces the radiation exposure to patients in AF undergoing CTCA. The same protocol also appears to improve diagnostic confidence.
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