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Acute Invasive Hemodynamic Effects of Transcatheter Aortic Valve Replacement.
CONCLUSIONS: Successful TAVR results in immediate and sizeable improvements in SV and CI, reductions in left and right ventricular filling pressures, and marked reductions in systemic and pulmonary vascular resistances. PMID: 27989060 [PubMed - in process]
Source: Journal of Heart Valve Disease - December 21, 2016 Category: Cardiology Tags: J Heart Valve Dis Source Type: research

Quantification of low-gradient severe aortic stenosis using a hybrid approach combining Doppler echocardiography and thermodilution.
CONCLUSION: The hybrid method is reasonably accurate in assessing AVA in patients with low-gradient severe AS. Although the continuity equation should be used in routine clinical practice in most patients, this method could serve as an alternative when the LVOT diameter and/or velocities seem questionable. PMID: 25296448 [PubMed - indexed for MEDLINE]
Source: Journal of Heart Valve Disease - December 1, 2014 Category: Cardiology Tags: J Heart Valve Dis Source Type: research

Invasive Hemodynamic Characteristics of Low Gradient Severe Aortic Stenosis Despite Preserved Ejection Fraction
Conclusions: Occurrence of low gradient severe aortic stenosis despite preserved ejection fraction was confirmed by invasive hemodynamics and was not the result of a systematic bias in the echo calculation of aortic orifice area.
Source: Journal of the American College of Cardiology - April 24, 2013 Category: Cardiology Authors: Juliane Lauten, Christian Rost, Ole A. Breithardt, Christian Seligmann, Lutz Klinghammer, Werner G. Daniel, Frank A. Flachskampf Tags: Heart Valve Disease Source Type: research