routine scan group:none
Sponsors
Zhejiang Provincial People's Hospital, The Second Affiliated Hospital of Qiqihar Medical University
Conditions
cerebral arterial stenosiscoronary heart disease
Unknown Phase
Effect of ultra-low-dose unenhanced calcium scans on the total radiation dose of coronary CT angiography
Active, not recruitingChiCTR2300074409
Start: 2023-08-07Updated: 2023-08-21
Canceled by the investigator. Three-phase Dual Flow Contrast Media Injection Scheme in brain CT Perfusion Combined with Head and Neck CT Angiography
Active, not recruitingChiCTR2300078525
Start: 2023-12-11Updated: 2024-03-11