Direct Vasocontractile Activities of Bupivacaine Enantiomers on the Isolated Rat Thoracic Aorta

<table>Changes in vascular tension provoked by S(−)-, R(+)-, and racemic bupivacaines.  <svg height="17.825001" id="M9" style="vertical-align:-3.27605pt" version="1.1" viewbox="0 0 75.175003 17.825001" width="75.175003" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> versus R(+)-bupivacaine.  <i>n</i> = 8.</table>

Anesthesiology Research and Practice

fig1

Figure 1

Figure 1: Direct Vasocontractile Activities of Bupivacaine Enantiomers on the Isolated Rat Thoracic Aorta 