Role of left ventricular twist mechanics in cardiomyopathies, dance of the helices

World Journal of Cardiology
Floris KauerBastiaan Martijn van Dalen

Abstract

Left ventricular twist is an essential part of left ventricular function. Nevertheless, knowledge is limited in "the cardiology community" as it comes to twist mechanics. Fortunately the development of speckle tracking echocardiography, allowing accurate, reproducible and rapid bedside assessment of left ventricular twist, has boosted the interest in this important mechanical aspect of left ventricular deformation. Although the fundamental physiological role of left ventricular twist is undisputable, the clinical relevance of assessment of left ventricular twist in cardiomyopathies still needs to be established. The fact remains; analysis of left ventricular twist mechanics has already provided substantial pathophysiological understanding on a comprehensive variety of cardiomyopathies. It has become clear that increased left ventricular twist in for example hypertrophic cardiomyopathy may be an early sign of subendocardial (microvascular) dysfunction. Furthermore, decreased left ventricular twist may be caused by left ventricular dilatation or an extensive myocardial scar. Finally, the detection of left ventricular rigid body rotation in noncompaction cardiomyopathy may provide an indispensible method to objectively confirm thi...Continue Reading

Citations

Mar 23, 2017·ASAIO Journal : a Peer-reviewed Journal of the American Society for Artificial Internal Organs·Karen May-NewmanRobert Benkowski
Apr 4, 2018·ASAIO Journal : a Peer-reviewed Journal of the American Society for Artificial Internal Organs·Karen May-NewmanSaniya Salim
May 3, 2018·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Constantine L AthanasuleasGerald D Buckberg

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