Venous coronary artery bypass grafting with proximal anastomosis in an ascending aorta prosthesis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
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
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
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Number 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
| Measure | Time frame |
|---|---|
| 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 | — |
Countries
Germany
Contacts
Universitätsklinikum Ulm, Klinik für Herz-, Thorax- und Gefäßchirurgie