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The Cutting Edge

How Fat May Help after a Heart Attack

A MAN-MADE FAT CALLED INTRALIPID, which is used as a component of intravenous nutrition and to treat rare overdoses of local anesthetics, may also offer protection for patients suffering from heart attacks. Current treatment for a heart attack focuses on limiting the duration of the ischemic period, when blood flow to tissues is reduced, and on subsequently opening arteries to reestablish normal coronary blood flow. It is well-known that injury to the heart muscle can occur after oxygen and nutrients in the blood flow back to deprived cells, a phenomenon known as reperfusion injury, and scientists have been seeking ways to minimize such injury.

A UCLA preclinical study by Siamak Rahman, M.D., professor of anesthesiology, and Mansoureh Eghbali, Ph.D., assistant professor of anesthesiology, published online in Anesthesiology, identified how intralipid – a fat emulsion made up of a combination of soybean oil, egg phospholipids and glycerin that provides essential fatty acids – can prevent extensive heart damage and help preserve heart function when used during the return of blood flow to the heart immediately following a heart attack.

This research shows that intralipid may help cell integrity and function when the body is under stress, such as during a heart attack, thus introducing a new way to significantly decrease damage to the heart muscle due to reperfusion injury or to prolong the tolerance of a tissue or an organ to lack of oxygen.

The findings may have implications for future therapies. The technique is not limited to the heart, researchers say, and could potentially be used for any ischemic organs suffering a blockage in blood flow or for organs used for transplant.


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Fall/Winter 2011

Fall/Winter 2011
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IN THIS ISSUE
  • Pathways to the Future
  • Is Meditation Push-Ups for the Brain?
  • Missing the Big Picture
  • New Reconstructive Transplant Program
  • A Roadblock to Cancer
  • How Fat May Help after a Heart Attack
  • Newts and Salamanders Can Regrow Damaged Hearts. Why Can’t We?
  • Spit Take: You’re How Old?
  • A Leader’s View
  • A Better View, a Better Outcome
  • Beef Up to Reduce Diabetes Risk
  • Dr. Molly J. Coye
  • The Visionary
  • Affair of the Heart
  • New Life for Orphan Organs
  • Found in Translation
  • 60 Years of Memories
  • Awards/Honors
  • Grants
  • MAA on the Road
  • Dr. Timothy A. Miller: MAA Alumnus of the Year
  • One-on-One: Kirsten Tillisch, M.D. ’97
  • Postcard from Afghanistan
  • The 60th Anniversary Challenge
  • 60th Anniversary All-Class Reunion
  • Chairs of Distinction
  • In Memoriam
  • Gifts
  • Center of “Affection”
  • Events
  • The Lesson of Las Maritas
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