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Korean Circ J. 1991 Apr;21(2):287-294. Korean. Original Article.
Shin YW .

In order to obtain a useful parameter for dynamic quantification of mitral stenosis, hemodynamic data in 51 patients with pure mitral stenosis undergoing cardiac catheterization gas been statistically analyzed. As results, cardiac output was significantly correlated with mitral valve area(r=0.63), oxygen delivery(r=0.48), pulmonary vascular resistance(r=-0.46), oxygen delivery index(r=0.40) and mixed venous oxygen saturation(r=0.38), and was not significantly related to pulmonary artery pressures, pulmonary arterial wedge pressure and mitral pressure gradients. Whereas mixed venous oxygen saturation showed a significant correlation with pulmonary vascular resistance(r=-0.69), mean pulmonary artery pressure(r=-0.59), systolic pulmonary artery pressure(r=-0.59), diastolic pulmonary artery pressure(r=-0.59), mitral valve area(r=0.51), pulmonary arterial wedge pressure(r=-0.47), oxygen delivery index(r=-0.45), peak mitral pressure gradient(r=-0.41), oxygen delivery(r=-0.39), cardiac output(r=0.38) and mean mitral pressure gradient(r=-0.33). These results indicate that mixed venous oxygen saturation is a very useful parameter for dynamic quantification of advanced mitral stenosis.

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