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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT05550012
Other study ID # LD-SH-2022
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date September 30, 2022
Est. completion date April 30, 2023

Study information

Verified date September 2022
Source Qianfoshan Hospital
Contact Qingshi Zeng
Phone 18560081565
Email zengqs2021@163.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

CT-enhanced scans are routine imaging modality for the diagnosis and follow-up of liver disease. However, this means that patients will receive more radiation dose. Therefore, it is necessary to reduce the radiation dose received by patients as much as possible. Deep learning-based reconstruction algorithms have been introduced to improve image quality recently. For many years, researchers attempt to maintain image quality using an advanced method while reducing radiation dose. Recently, a new deep-learning based iterative reconstruction algorithm, namely artificial intelligence iterative reconstruction (AIIR, United Imaging Healthcare, Shanghai, China) has been introduced. In this study, we evaluate the image and diagnostic qualities of AIIR for low-dose portal vein and delayed phase liver CT with those of a KARL method normally used in standard-dose CT.


Description:

In our hospital, patients with abdominal pelvic cancer undergo follow-up low-dose CT for the evaluation of treatment plan after clinical treatment or disease progress. The raw-data of low-dose CT were collected retrospectively and reconstructed using KARL and AIIR algorithm. In this study, we evaluate the image and diagnostic qualities of AIIR for low-dose portal vein and delayed phase liver CT with those of a KARL method normally used in standard-dose CT.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 100
Est. completion date April 30, 2023
Est. primary completion date March 30, 2023
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria: - those scheduled for contrast-enhanced liver CT Exclusion Criteria: - images affected by artifacts (motion or implants)

Study Design


Related Conditions & MeSH terms


Intervention

Other:
low-dose CT
those patients undergo low-dose liver CT in portal vein and delayed phase.

Locations

Country Name City State
China Qianfoshan Hospital (The First Affiliated Hospital of Shandong First Medical University) Jinan Shandong

Sponsors (1)

Lead Sponsor Collaborator
Qianfoshan Hospital

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary signal-to-noise ratio (SNR) Evaluate the image qualities of AIIR for low-dose portal vein and delayed phase liver CT with those of a KARL method normally used in standard-dose CT 6 months
Primary contrast to noise ratio (CNR) Evaluate the image qualities of AIIR for low-dose portal vein and delayed phase liver CT with those of a KARL method normally used in standard-dose CT 6 months
Primary diagnostic confidence Evaluate the diagnostic qualities of AIIR for low-dose portal vein and delayed phase liver CT with those of a KARL method normally used in standard-dose CT 6 months
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