Patency of aortocoronary vein grafts in aortic vascular prostheses compared to native aorta
Not Applicable
- Conditions
- Venous coronary artery bypass grafting with proximal anastomosis in an ascending aorta prosthesis
- Registration Number
- DRKS00023388
- Lead Sponsor
- niversitätsklinikum Ulm, Klinik für Herz-, Thorax- und Gefäßchirurgie
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 94
Inclusion Criteria
Treatment group: patients who received at least one vein graft with the proximal anastomosis in an aortic prosthesis between 2011 and 2018. Control group: patients who received at least one vein graft with the proximal anastomosis in the native aorta between 2011 and 2018
Exclusion Criteria
Intolerance towards the CT contrast agent Imeron 400 or any of the other medications used during imaging (metoprolol, organic nitrates); renal insufficiency affecting contrast agent elimination; hyperthyroidism; bradyarrhythmia; unwillingness to participate; inability to provide informed consent; laboratory parameters prior to imaging which suggest an elevated risk; control group: only symptomatic patients
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method umber of obstructed vein grafts at the time of analysis, scheduled for 2021. The observation period depends on the date of operation and is from 3 to 10 years.
- Secondary Outcome Measures
Name Time Method The analysis is scheduled for 2021. The observation period depends on the date of operation and is from 3 to 10 years. (1) Assessment of CT scan: number of patients with at least one obstructed venous bypass graft; fraction of obstructed vein grafts per patient. (2) Assessment of patient files: cardiovascular death; rehospitalization; reinfarction