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Acute Ischemia

Research on acute ischemia published by scientists at Mayo Clinic

Published in Cardiovascular Device Liability Week, August 3rd, 2008

"Echocardiographic strain waveforms are highly variable, so their interpretation is experience-dependent and subjective. We tested whether an artificial neural network (ANN) can distinguish between strain waveforms obtained at baseline and during experimentally induced acute ischemia," researchers in the United States report.

"An open-chest model of coronary occlusion and acute ischemia was used in 14 adult pigs. Strain waveforms were obtained using a GE Vivid 7 ultrasound system. An ANN design was implemented in MATLAB (R), and backpropagation and ''leave-one-out'' processes were used to train and test it," wrote E.M. Mcmahon and colleagues, Mayo Clinic.

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