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The investigators conducted a single-center, retrospective study from January 2015 through ... scanning body areas that are less susceptible to motion, employing ECG-gating to minimize cardiac motion, ...

The 3-dimensional (3D) volume for the 4D-flow CMR was acquired from the aortic arch to the cardiac apex under free breathing with retrospective ECG-cardiac gating (30 phases/cardiac cycle; acquisition ...

and retrospective ECG-gating was used for patients with HR >65 bpm or irregular HR. For 64-slice CT, retrospective ECG-gating was applied. Tube voltage was 100 kV in patients with BMI <26 kg/m³ and ...

The patients underwent ECG-gated CTA with a retrospective gating due to valvular diseases, coronary arterial diseases, and abdominal aortic aneurysm or dissection. Patients with severe calcification ...

using prospective ECG-triggering or retrospective ECG gating with tube current modulation. Acquisition and reconstruction parameters for the patients were 120 kVp, tube current of 50 to 750 mA, gantry ...

Methods: We present a novel method for the retrospective estimation of cardiorespiratory phases ... We also present a robust nonparametric regression technique for respiratory gating and a novel ...

If performed with retrospective gating, CCT can also be used to acquire time-resolved images. However, CCT requires simultaneous recording of the patient’s ECG, and patients who have a TAH-t do not ...

Patients were separated by scan mode into three groups: Group One: First-generation, dual-source CT scanner with retrospective ECG gating (spiral scan mode); Group Two: Second-generation ...