None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Adults with the age of 20 or older. (2) Patients who visit the pulmonology outpatient clinic for respiratory disease.
Exclusion criteria
Exclusion criteria: (1) Pregnant women (2) Chest CT scan not possible due to breathing difficulty (3) Patients who have undergone surgery or procedure that may affect chest CT image quality, including central venous tube, implantable cardioverter-defibrillator, and valve replacement. (4) BMI over 30
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Objective image quality assessment - noise measurement, lung nodule evaluation | — |
Secondary
| Measure | Time frame |
|---|---|
| Subjective image quality assessment - 5 point grading of image quality by radiologists;Radiation dose evaluation - CTDIvol, DLP, estimated effective radiation dose | — |
Countries
Korea, Republic of
Contacts
Seoul National University Hospital