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Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation

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A Complex Left Internal Mammary Artery Intervention.

Mansoor Ahmad¹, Kailash Pant¹, Mena Henien²

¹Cardiology, University of Illinois College of Medicine Peoria, Peoria, USA.

|June 30, 2023

Summary

This case study details a complex percutaneous coronary intervention (PCI) for a chronic total occlusion (CTO) in a left internal mammary artery (LIMA) graft. Successful stent delivery was achieved despite challenging anatomy, highlighting advanced PCI techniques for LIMA graft intervention.

Area of Science:

Cardiovascular medicine
Interventional cardiology
Vascular surgery

Keywords:

chronic stable angina complex percutaneous coronary intervention coronary artery by-pass grafting coronary artery intervention left internal mammary artery

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Background:

Coronary artery bypass grafting (CABG) utilizes various conduits, with saphenous vein grafts (SVG) exhibiting higher failure rates compared to arterial grafts.
Left internal mammary artery (LIMA) grafts offer superior long-term patency but are susceptible to early postoperative occlusions.
Percutaneous coronary intervention (PCI) of LIMA grafts presents unique challenges due to lesion characteristics and vessel anatomy.