Magic of LIMA:Why Arterial Bypass Works for 20–30 Years.If there is one hero in bypass surgery, it is LIMA – the Left Internal Mammary Artery.Patients often ask:“Doctor, why do some bypass grafts last 20–30 years, while vein grafts fail earlier?”The answer is simple and magical:
✅ Because LIMA is not a vein.LIMA is a living artery. 💡 What makes LIMA so special? ✅ 1. It is naturally designed for high pressure & high flowThis artery supplies the chest wall every second of life.When connected to the heart, it delivers strong, consistent blood for decades. ✅
Dr. Devraj Kumar
December 14, 2025