Acute Effects of Vardenafil on Pulmonary Artery Responsiveness in Pulmonary Hypertension

<table>Concentration-response curves to CaCl<sub>2</sub> in the absence or presence of vardenafil (10<sup>−7</sup>–10<sup>−6</sup> M; <svg height="10.9125" id="M33" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 42.912498 10.9125" width="42.912498" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.9125)">
<g transform="translate(72,-63.27)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑛</tspan>
<tspan style="font-size: 12.50px; " x="9.6773224" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="21.71771" y="0">1</tspan>
<tspan style="font-size: 12.50px; " x="27.969212" y="0">3</tspan>
</text>
</g>
</g>
</svg>) in pulmonary hypertensive rat pulmonary artery rings. Data were calculated relative to the maximal changes from the contraction produced by KCl (80 mM) in each ring, taken as 100%. *<svg height="11.25" id="M34" style="vertical-align:-0.30096pt" version="1.1" viewbox="0 0 56.150002 11.25" width="56.150002" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.25)">
<g transform="translate(72,-63)">
<text transform="matrix(1,0,0,-1,-71.95,63.35)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑃</tspan>
<tspan style="font-size: 12.50px; " x="10.890113" y="0">&lt;</tspan>
<tspan style="font-size: 12.50px; " x="22.930502" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="29.182001" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="32.307751" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="38.559254" y="0">5</tspan>
</text>
</g>
</g>
</svg> as compared with control.</table>

The Scientific World Journal

fig4

Figure 4

Figure 4: Acute Effects of Vardenafil on Pulmonary Artery Responsiveness in Pulmonary Hypertension 