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What you eat before surgery may affect your recovery
Date:3/21/2013

BOSTON, MAAccording to a new study, the last few meals before surgery might make a difference in recovery after surgery. Fat tissue is one of the most dominant components that make up the body, and fat tissue is always traumatized during major surgery.

Researchers at Brigham and Women's Hospital (BWH) found that this direct trauma greatly impacts the chemical balance of fat tissuechemicals that are known to communicate with nearby and distant organs. In the study, mice that consumed a typical Western, high-fat diet showed an exaggerated imbalanced response. Importantly, restricting food intake to a lower-fat diet just a few weeks before surgery reduced the imbalance back toward a more normal response.

The study is published in the April 2013 issue of Surgery.

Senior study author C. Keith Ozaki, MD, Director of BWH Vascular Surgery Research, and colleagues measured how fat responds to surgery and whether restricting calorie intake before surgery changed how the fat tissue responded to typical trauma that usually occurs during an operation.

"Surgeons have learned that generally minimizing trauma accelerates patient recovery from surgery," noted Ozaki. "While we do this well for specific organs such as the heart, blood vessels, liver, and so forth, we historically have paid little attention to the fat that we cut through to expose these organs. Our findings challenge us all to learn more about how fat responds to trauma, what factors impact this response, and how fat's response is linked to the outcome of individual patients."

Researchers fed one group of mice a high-fat diet (containing 60 percent calories from fat), while a control group was given a more normal diet (containing 10 percent calories from fat).

Three weeks before surgery, researchers switched some of the high-fat diet mice to the normal diet. During surgery, the researchers performed procedures that would occur during a typical o
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Contact: Marjorie Montemayor-Quellenberg
mmontemayor-quellenberg@partners.org
617-534-2208
Brigham and Women's Hospital
Source:Eurekalert  

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