Long-Term Survival Advantage of Total Arterial Revascularization in Elderly Patients Following Coronary Artery Bypass Grafting
Current study results have been published, highlighting the benefits of total arterial revascularization (TAR) in elderly patients undergoing coronary artery bypass grafting (CABG). According to researchers at Curtin University, TAR shows a long-term survival advantage over conventional non-TAR grafting strategies in patients aged 70 years and above. This research provides crucial insights into the effectiveness of TAR in elderly patients with limited life expectancy.
Key Takeaways:
- The study included 13,435 patients who underwent primary isolated CABG with at least 2 grafts between 2001 and 2020.
- Patients were stratified into two age groups: those 70 years and above (n=6,739), and those younger than 70 (n=6,696).
- The study found that patients undergoing TAR had significantly lower long-term all-cause mortality rates compared to those undergoing conventional non-TAR grafting strategies.
- The risk of mortality at 10 years was 34.4% for TAR patients, compared to 38.4% for non-TAR patients in the elderly group.
- Randomized clinical trials evaluating TAR are warranted to validate these observational findings.
Statistics:
- 13,435 patients underwent CABG with at least 2 grafts between 2001 and 2020.
- Patients were stratified into two age groups: 70 years and above (n=6,739), and younger than 70 (n=6,696).
- The risk of mortality at 10 years was 34.4% for TAR patients, compared to 38.4% for non-TAR patients in the elderly group.
- The long-term survival advantage of TAR over non-TAR grafting strategies was significant, with a hazard ratio of 1.13 (95% CI, 1.05-1.21) in the elderly group.
Sources:
- Long-Term Survival Advantage of Total Arterial Revascularization in Elderly Patients Following Coronary Artery Bypass Grafting. JACC Advances, 2025:102226.
- NewsRx. Researchers at Curtin University Target Heart Bypass Surgery (Long-Term Survival Advantage of Total Arterial Revascularization in Elderly Patients Following Coronary Artery Bypass Grafting). Cardiovascular Week. October 20, 2025; p 136.