Abdominal Abscess Clinical Trial
Official title:
Use of Iterative Reconstruction Method in Ultralow-dose CT for Follow-up of Patients With Intraabdominal Abscess: Comparison With Standard Dose CT
NCT number | NCT03681665 |
Other study ID # | 4-2015-0413 |
Secondary ID | |
Status | Completed |
Phase | |
First received | |
Last updated | |
Start date | June 29, 2018 |
Est. completion date | March 18, 2019 |
Verified date | September 2020 |
Source | Yonsei University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
Increasing radiation exposure by medical examinations is getting more concerns. For optimal medical imaging, reducing radiation exposure with preservation image quality is important. One of the solutions is use of iterative recontruction of CT examination. In this study, the investigators aimed to investigate the clinical feasibility of ultralow dose abdominopelvic CT with iterative reconstruction in patients with intraabdominal abscess. Patients with intrabdominal abscess usually undergo multiple CT examinations to evaluate treatment response. Therefore, ultralow dose CT can reduce unnecessary radiation exposure in these patients.
Status | Completed |
Enrollment | 20 |
Est. completion date | March 18, 2019 |
Est. primary completion date | March 18, 2019 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 20 Years to 100 Years |
Eligibility |
Inclusion Criteria: 1. patients who underwent standard dose CT for suspected intraabdominal abscess 2. patients who need follow-up CT to evaluate treatment response of abscess 3) Adult patient, 4) patients who agreed this study protocol Exclusion Criteria: 1. pregnancy 2. patients with poor renal function (GFR < 30 mL/min/1/73m2) 3. Patients who have allergy to CT contrast media 4. Patients who are not cooperative (e.g., dementia) |
Country | Name | City | State |
---|---|---|---|
Korea, Republic of | Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine | Seoul |
Lead Sponsor | Collaborator |
---|---|
Yonsei University |
Korea, Republic of,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Score of subjective image quality of CT image | Score of subjective image quality of CT images consists of overall subjective image quality, noise, diagnostic ability, and artifact. | 1 month | |
Secondary | Effective radiation dose: CTDIvol(volume CT dose index), DLP(dose length product), effective dose(DLPx0.015) | Effective radiation dose between standard dose CT and ultra-low dose CT will be compared | 1 month |
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