Impact of proximal radiopaque coronary bypass-graft marking on post bypass surgery angiography and clinical outcome
- Conditions
- Z95.1Presence of aortocoronary bypass graft
- Registration Number
- DRKS00010298
- Lead Sponsor
- niversitaets-Herzzentrum Freiburg-Bad Krozingen, Klinik für Herz- und Gefäßchirurgie
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Pending
- Sex
- All
- Target Recruitment
- 5000
Inclusion Criteria
All patients with a history of CABG undergoing coronary angiography at University Heart Center Freiburg-Bad Krozingen from February 2005 to the end of February 2016. Only the first angiography of a single patient following CABG will be included to avoid a bias by available results of previous angiographies.
Exclusion Criteria
Missing key data including the primary endpoints, angiographic film as proof for the right allocation to +/-marker group, and known occlusion of all bypass grafts already before angiography.
Study & Design
- Study Type
- observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method The primary endpoints are the absolute contrast usage, the Radiation dosage as well as radiation time of diagnostic angiography.
- Secondary Outcome Measures
Name Time Method radiation exposure of the diagnostic procedure<br>amount of iodinated contrast media used during the diagnostic procedure<br>incidence of contrast-induced acute kidney injury <br>incidence of vascular complications<br>incidence of peri-interventional myocardial infarction <br>Graft Patency<br>