Key result
An automatic data analysis system using left ventricular pressure and aortic flow signals was developed to calculate LV mechanical and energetic characteristics, offering a simpler alternative to current methods.
A new automatic data analysis system offers a simpler method for determining left ventricular mechanical and energetic characteristics using pressure and flow signals.
May streamline LV energetics research; leaves open clinical validation before adoption.
An automatic data analysis system has been developed for determining left ventricular (LV) mechanical and energetic characteristics. By using LV pressure and aortic flow signals during steady state and isovolumetric contractions, it was possible to calculate LV systolic indices and approximate the overall LV mechanical and energetic characteristics. The acquisition of pressure and flow data derived from accurate and reliable transducers and the simplicity of the proposed data analysis algorithm make this method for the determination of LV mechanical and energetic characteristics more favorable than the presently applied methodologies.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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Schwartz et al. (2003) studied Left ventricular mechanical and energetic characteristics. Automatic data analysis system vs. Presently applied methodologies was evaluated on Calculation of LV systolic indices and approximation of overall LV mechanical and energetic characteristics. An automatic data analysis system using left ventricular pressure and aortic flow signals was developed to calculate LV mechanical and energetic characteristics, offering a simpler alternative to current methods.
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