Hemodynamic parameters recorded from young and old swine used in the microarray and electrophysiological analysis.

<p><i>n</i> = 3–5 pigs per group.</p>*<p>Designates difference between age groups (unpaired t-test);</p>¥<p>designates a change produced by autonomic blockade within a group (paired t-test).</p><p>• HR = heart rate.</p><p>• mAP = mean arterial pressure.</p><p>• SVI = stroke volume indexed to body size.</p><p>• CI = cardiac output indexed to body size.</p><p>• SVRI = systemic vascular resistance indexed to body size.</p><p>• mPAP = mean pulmonary arterial pressure.</p><p>• PVRI = pulmonary vascular resistance indexed to body size.</p><p>• LVPmax = maximal left ventricular pressure.</p><p>• LVEDP = left ventricular end-diastolic pressure.