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Computed Tomography Coronary Angiography in Patients With a Previous Coronary Artery Bypass Graft Surgery Trial — GREECE  

Coronary Artery Bypass Surgery Clinical Trial

Official title:
Computer tomoGRaphy guidEd invasivE Coronary Angiography in patiEnts With a Previous Coronary Artery Bypass Graft Surgery Trial

Clinical Trial Summary

This randomized, multi-center, prospective study seeks to compare the conventional invasive Coronary Angiography with the recently described method of performing CT-Coronary Angiography prior to the invasive Coronary Angiography, in post - CABG patients subjected to coronary angiography or percutaneous coronary intervention.

Clinical Trial Description

Conventional invasive coronary angiography is currently used to depict coronary arteries, however in recent years, the use of CT-coronary angiography has emerged in the literature for being a non-invasive and well tolerated examination, with imaging findings often equivalent to standard coronary angiography, especially for imaging grafts in patients undergone coronary artery bypass graft surgery (CABG). These patients present with complex anatomy of the coronary arteries making invasive coronary angiography a demanding and time-consuming examination in which the patient is exposed to large doses of radiation and volume of contrast. Multislice computed tomography shows high diagnostic accuracy in the detection of obstruction of the grafts while the advancement of technology continuously improves the diagnostic accuracy of the imaging findings. Of course, axial coronary angiography is more sensitive and specialized in the imaging of grafts, compared to the native coronary arteries of the heart. Therefore, the use of CT-coronary angiography before performing the respective invasive procedure is believed that it may reduce the overall duration of the procedure, the radiation received by the patient and the amount of contrast administered. The aim of the present study is to compare the performance of CT-coronary angiography before invasive coronary angiography compared with the performance of invasive coronary angiography alone. Τhe extent to which the information obtained from CT-coronary angiography contributes to the guidance of invasive coronary angiography that will follow will be studied, regarding the total procedure time, the volume of the contrast administered the radiation to which the patient is exposed and the patient's course over a period of 30 days. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04631809
Study type Interventional
Source University Hospital of Patras
Contact
Status Completed
Phase N/A
Start date October 30, 2020
Completion date November 30, 2022
View Details
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