Zeitschrift für Kardiologie
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The aortic valve orifice area was measured in 95 patients with valvular aortic stenosis by means of transthoracic and transesophageal echocardiography. These results were compared to invasively determined measurements. ⋯ There was also a good agreement when the aortic-valve orifice area determined by transesophageal echocardiography was compared to the invasive findings (r = 0.82; p less than 0.001). The morphology of the aortic valve could be better delineated with the transesophageal approach.