Figure 4.

Altered myocardial energy metabolism and normal ex vivo cardiac function in Pdha1Cardiac−/− mice. (A) Glucose oxidation rates, (B) palmitate oxidation rates, (C) cardiac output, (D) left ventricular (LV) work, (E) aortic flow, (F) coronary flow, (G) aortic systolic pressure, and (H) aortic diastolic pressure during isolated aerobic working heart perfusions from Pdha1Cardiac−/− and their αMHC-MerCreMer control littermates (n = 4, 5). Values represent means ± SEM. Differences were determined using an unpaired, two-tailed Student’s t-test. *P < 0.05.