The Beat With Joel Dunning Ep. 151: Percutaneous CABG Technique—The VECTOR Procedure
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In this episode of the CTSNet Beat, host Joel Dunning celebrates the 150th edition of the podcast and previews a major technological breakthrough: the world’s first percutaneous coronary artery bypass graft (CABG), known as the VECTOR procedure, developed by Professor Adam Greenbaum of Emory University. The procedure, performed in two patients who were not surgical candidates due to severe comorbidities, uses transcatheter electrosurgery to create a conduit between the ascending aorta and the left main or right coronary artery—essentially a 'drilled' bypass—enabling TAVR in patients otherwise at risk of fatal coronary obstruction. The episode also reviews four high-impact studies: a CDC WONDA analysis showing rising aortic stenosis mortality in patients aged 60–75 post-TAVI expansion to low-risk groups; a meta-analysis finding no difference in outcomes between free vs. in situ RIMA grafts; a Japanese study linking atrial fibrillation to worse long-term outcomes after mitral valve repair; and a pre-specified Excel trial analysis revealing a doubling of myocardial infarction risk after PCI versus CABG in left main disease. The episode closes with highlights of three innovative surgical videos, including a Ross procedure with annular stabilization and a novel total arch replacement using a subclavian-integrated stent device, and a fun segment on the Atrium podcast featuring Professor Eric Lim’s controversial views on lung cancer surgery.
The VECTOR procedure is a groundbreaking percutaneous CABG technique enabling TAVR in patients with high-risk coronary anatomy where traditional methods fail.
Aortic stenosis mortality in the 60–75 age group has increased post-2019, raising concerns about long-term safety of TAVI in younger, lower-risk patients.
Free vs. in situ RIMA grafts show no significant difference in patency or outcomes—surgeons can choose based on technical preference.
Atrial fibrillation is an independent predictor of worse long-term survival and composite events after mitral valve repair.
PCI for left main disease carries twice the risk of myocardial infarction at 5 years compared to CABG, primarily due to stent failure and in-stent thrombosis.
…and 2 more takeaways available in PodZeus
150th Episode & Podcast Anniversary
Joel Dunning celebrates the 150th episode of the CTSNet Beat, marking nearly three years of consistent content delivery and announcing the upcoming launch of a major website redesign on April 30th.
The VECTOR Procedure: World's First Percutaneous CABG
“We said, hey, maybe we could use the same tool set to actually relocate the coronary ostium up or in this case perform essentially an ascending aorta to either distal left main or proximal right coronary bypass.”
CDC WONDA Study: Rising Mortality in TAVI-Eligible Age Group
“You really should not expect the mortality to go up only in that subgroup age and not in the older age group where it's still going down.”
Free vs. In Situ RIMA Grafts: No Significant Difference
A large meta-analysis of 9,899 patients finds no difference in mortality, graft occlusion, or repeat revascularization between free and in situ RIMA grafts—allowing surgeons to choose based on technical feasibility.
Atrial Fibrillation Worsens Outcomes After Mitral Valve Repair
“If you've got a patient in sinus rhythm, that's good. If they go into atrial fibrillation, that's bad.”
“We said, hey, maybe we could use the same tool set to actually relocate the coronary ostium up or in this case perform essentially an ascending aorta to either distal left main or proximal right coronary bypass.”
“If you put your mind to it, it's probably a lot we can accomplish. Outside the box and outside the heart.”
“You really should not expect the mortality to go up only in that subgroup age and not in the older age group where it's still going down.”
Host
Guest
Joel Dunning
person
Adam Greenbaum
person
VECTOR Procedure
other
CTSNet
organization
TAVI
other
Excel Trial
other
CDC WONDA Study
other
Emory University
organization
Eric Lim
person
Artivon Neo-EDE
other
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