Washington DC: A research has been conducted to enhance recovery from heart attack.For the first time, large human cardiac-muscle patches have been tested in the lab on large animals in a heart attack model. It showed that it resulted in improved recovery from heart attack injury.

This is the first large-animal study of muscle patches carried with a goal of treating human heart attacks by suturing cardiac-muscle patches over a specific area of dead heart muscles. It was carried out in order to reduce the pathology that often leads to heart failure.

The research was conducted by Jianyi `Jay` Zhang, from University of Alabama at Birmingham Biomedical Engineering, a joint department of the UAB School of Medicine and the UAB School of Engineering.Each patch is 1.57 by 0.79 inches in size and nearly as thick as a dime.

Zhang and colleagues found that transplanting two of these patches onto the infarct area of a pig heart significantly improved the function of the heart`s left ventricle,…

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