Graft Patency and Clinical Outcomes Following Coronary Artery Bypass Grafting with Instrumented Radial Arteries

Not Applicable

Completed

• Conditions: Coronary Artery Disease; Coronary artery bypass grafting; Intrumented radial arteries; Cardiovascular - Coronary heart disease

• Registration Number: ACTRN12621000257864
• Lead Sponsor: A/Prof Omar Farouque

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2021-03-10
• Study Completion: 2023-02-28
• Last Update Posted: 15 July 2024

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 294

Inclusion Criteria

Whole study:
Adult patients aged 18 years or older who underwent coronary artery bypass grafting between 2015-2019 using bilateral radial arteries as conduits.

For the Patency arm of the study (Aim 1):
Patients who underwent CABG with an instrumented radial artery.
; Whole study:
Adult patients aged 18 years or older who underwent coronary artery bypass grafting between 2015-2019 using bilateral radial arteries as conduits.

For the Patency arm of the study (Aim 1):
Patients who underwent CABG with an instrumented radial artery.

Exclusion Criteria

Patency follow up (Aim 1)
- Stage 4 or more chronic kidney disease.
- Patients who have had either an invasive coronary angiogram or CT coronary angiogram following surgery.
- The CABG operation record does not specify the location of each radial artery (ie which RA is grafted to which native vessel).
- Allergy to contrast agent.
- Unable to sufficiently control heart rate to perform scan or contraindication to metoprolol administration if required

Clinical follow up (Aim 2)
- Unable to provide consent; Patency follow up (Aim 1)
- Stage 4 or more chronic kidney disease.
- Patients who have had either an invasive coronary angiogram or CT coronary angiogram following surgery.
- The CABG operation record does not specify the location of each radial artery (ie which RA is grafted to which native vessel).
- Allergy to contrast agent.
- Unable to sufficiently control heart rate to perform scan or contraindication to metoprolol administration if required

Clinical follow up (Aim 2)
- Unable to provide consent

Study & Design

• Study Type: Observational
• Study Design: Not specified