coronary, aortic, head and neck, renal and pulmonary arteries relative conditions
Conditions
Interventions
none:none
Sponsors
Xuanwu Hospital of Capital Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 100 Years
Inclusion criteria
Inclusion criteria: (1) The subject is over 18 years old; (2) Subjects are referred to undergo CTA examination of coronary, aortic, head and neck, renal and pulmonary arteries as part of their routine clinical care; (3) The subject has provided a signed and dated informed consent.
Exclusion criteria
Exclusion criteria: (1) Subject has a known allergy to iodinated contrast agent, including but not limited to hives, anaphylactoid or cardiovascular reactions, laryngeal oedema, and bronchospasm; (2) Subject has atrial fibrillation/flutter or any irregular heart rhythm considered to interfere with temporal acquisition of cardiac CT images. (Only applicable for Coronary CTA); (3) Subject has a resting heart rate of >100 bpm and/or a resting diastolic blood pressure of >100 mm Hg, or a resting heart rate of >70 bpm and beta-blocker therapy is contraindicated. (Only applicable for Coronary CTA); (4) Subject has had a prior CABG procedure; (5) Subject has had a prior pacemaker or internal defibrillator lead implantation. (Only applicable for Coronary CTA); (6) Subject has extensive vessel calcifications identified by non-contrast images. (Only applicable for Coronary CTA); (7) Subject is not willing /unable to discontinue metformin or metformin containing products; (8) Subjects with manifest thyrotoxicosis.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| imaging quality; | — |
Countries
China
Contacts
Public ContactLi kuncheng
Xuanwu Hospital of Capital Medical University
Outcome results
None listed