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Slow wave activity is comparable in patients undergoing left ventricular assist device (LVAD) insertion and those undergoing coronary artery bypass graft (CABG) surgery. Slow wave power was approximated by change in mean arterial pressure (ΔMAP) within the slow wave bandwidth. The distribution of epochs (% time) across ΔMAP is shown for LVAD and CABG subjects separately (Group mean and S.D.). Presence of LVAD support did not associate with any statistically significant change in ΔMAP.
