We used a 256-slice (128 multi-detector row) CT scanner (Brilliance iCT; Philips Healthcare, Cleveland, Ohio, USA). All patients received 0.6 mg of nitroglycerin (Myocor; Astellas Pharma, Tokyo, Japan), and intravenous beta-blocker (Corebeta; landiolol hydrochloride, 0.125 mg/kg, Ono Pharmaceutical Co., Ltd., Tokyo, Japan), 5 min prior to the timing bolus scan, to reduce heart rate if the heart rate was > 75 beats per minutes, in the absence of contraindication. CorCTA was performed with iohexol (Omnipaque; 350 mg iodine/mL; Daiichi Sankyo, Tokyo, Japan) or with iopamidol (Iopamiron; 370 mg iodine/mL; Bayer Yakuhin, Osaka, Japan) at an injection rate of 5.0–5.5 mL/s for 10 s, followed by a saline flush (20 mL, 5.0–5.5 mL/s). The scan parameters were as follows: retrospective ECG-gated mode (heart rate > 60 beats/min) or prospective ECG-gated mode (heart rate ≤ 60 beats/min); tube voltage, 120 kV; effective tube current time-product, 800–1300 mAs/rotation with dose modulation; gantry rotation time, 0.27 s/rotation; collimation, 2 × 128 × 0.625 mm with a dynamic z-focal spot; 250-mm display field-of-view; 0.8/0.4-mm slice thickness/overlap; and 512 × 512 image matrix.
Myocor
Manufactured by Astellas Pharma
Sourced in Japan
Myocor is a laboratory equipment product designed for scientific research and experimentation. The core function of Myocor is to provide a controlled environment for conducting various experiments and analyses. The product's features and specifications are intended to support the specific needs of researchers and scientists in their work.
Automatically generated - may contain errors
2 protocols using myocor
1
Cardiac CT Angiography Protocol
2
Dual-Source CT for Coronary Angiography
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Two dual-source CT scanners (SOMATOM Force or SOMATOM Definition Flash, Siemens Healthineers, Forchheim, Germany) were used according to the institutional scan protocol. First, a CAC score scan was performed using a prospective ECG-triggering axial scan mode (tube voltage, 120 kV; tube current time product, 80 mA/rotation for a 70-kg body weight as a reference, 3-mm slice thickness). Sublingual nitroglycerin (0.6 mg, Myocor; Astellas Pharma, Tokyo, Japan) was used before the coronary CTA examination, but no additional β-blockers or other heart rate-modifying medication were administered. Coronary CTA was performed using a retrospective ECG-triggering spiral scan mode or prospective ECG-triggering axial scan mode according to the scan heart rate. The scan parameters were as follows: gantry rotation time of 0.25 s/rotation (force), 0.28 s/rotation (definition flash); 90-, 100-or 120-kV tube voltage; 2×192×0.6 mm (force) or 2×128×0.6 mm (definition flash) detector collimation with z-flying focal spot; tube current 228 (145-292) mA per rotation with X-ray tube modulation that depended on patient size, variable pitch, and heart rate. Contrast material (iopamidol, 370 mg iodine/mL; On-Site CT-FFR Using ML Algorithm mine the total processing time.
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