Cerebral and carotid artery disease
Conditions
Interventions
Double low dose group:To use double low-dose CT angiography of head and neck with diluted isotonic contrast medium
Conventional dose group:Routine head and neck CTA, with no low-dose examination
Sponsors
Changzhou Wujin People's Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Subjects aged 18-80 years old; 2. Subjects with BMI < 30 kg / m2; 3. Patients with suspected or confirmed head and neck artery disease; 4. The patients who volunteered to join the study signed the informed consent form and had good compliance.
Exclusion criteria
Exclusion criteria: 1. Subjects allergic to iodized contrast media; 2. Patients with severe hyperthyroidism, renal insufficiency and decompensated cardiac insufficiency; 3. Subjects with obvious moving artifacts; 4. Subjects with failed angiography.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| CT value of blood vessel; | — |
Secondary
| Measure | Time frame |
|---|---|
| Signal-to-Noise Ratio, SNR;Contrast-to-Noise Ratio, CNR;body Mass Index (BMI);total amount of intake of contrast medium;radiation dose;venous contamination;image quality (subjective evaluation); | — |
Countries
China
Contacts
Public ContactWu Honglin
Changzhou Wujin People's Hospital
Outcome results
None listed