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Updated: Jun 5, 2026

Surgical Porcine Model of Chronic Myocardial Ischemia Treated by Exosome-laden Collagen Patch and Off-pump Coronary Artery Bypass Graft
Published on: September 15, 2023
CABG surgery with long coronary endarterectomy of the LAD
Jan D Schmitto1, Philipp Kolat, Philipp Ortmann
1Department of Thoracic, Cardiac, and Vascular Surgery, Georg August University of Goettingen, Germany.
Insights
Severe coronary artery disease involving the left anterior descending artery (LAD) necessitated an unconventional surgical approach. A novel, extended endarterectomy was successfully performed to improve graft flow in a challenging case.
Area of Science:
- Cardiovascular Surgery
- Interventional Cardiology
- Vascular Biology
Background:
- Diffuse atherosclerosis in the left anterior descending artery (LAD) presents significant surgical challenges.
- Severe, diffuse 3-vessel coronary artery disease requires advanced revascularization strategies.
- Calcified coronary arteries complicate standard surgical interventions.
Observation:
- A 74-year-old male patient presented with progressive angina pectoris due to severe coronary artery disease.
- Intraoperative findings revealed extreme calcification within the LAD, hindering conventional bypass grafting.
- The surgical team encountered significant technical difficulties during LAD revascularization.
Findings:
- An exceptionally long endarterectomy of the LAD was performed as an unconventional treatment.
- This extended endarterectomy aimed to restore adequate graft flow in a complex anatomical scenario.
- The procedure represents a novel approach to managing diffuse, calcified LAD disease.
Implications:
- This case highlights the potential of extended endarterectomy for complex LAD atherosclerosis.
- Such unconventional techniques may offer solutions when standard revascularization is not feasible.
- Further research into endarterectomy for diffuse coronary disease could expand treatment options.
Abstract:
Diffuse atherosclerosis of the anterior descending artery may require unconventional surgical treatment to increase graft flow. A 74-year-old man with severe, diffuse 3-vessel-coronary artery disease was presented to our institution with progredient angina pectoris symptoms. Intraoperatively, the revascularization of the left anterior descending coronary artery (LAD) was technically challenging because of the extremely calcified coronary artery disease; therefore we performed the longest endarterectomy of the LAD that has thus far been described.
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