Grading of LV systolic function by speckle tracking

29^th World Cardiology Conference

November 19-20, 2018 | Edinburgh, Scotland

Mohamed Haykal

Ministry of Scientific Researches, Egypt

Scientific Tracks Abstracts: J Cardiovasc Dis Diagn

Abstract :

Background: One of the most rapid and easy techniques for assessing left ventricular (LV) systolic function is transthoracic echocardiography, but its main disadvantage is being a subjective method and needs high experience to get an accurate assessment of the global LV systolic function especially in patients with regional wall motion abnormalities. One of the new modalities of echocardiography is 2D speckle tracking which permits offline calculation of myocardial velocities and deformation so it gives more accurate and operator independent evaluation of the LV global systolic function. Aim: The aim of work is to validate solid numbers of LV global strain value by 2D speckle tracking that correlates left ventricular ejection fraction (LVEF) by Simpsonâ??s method for more accurate assessment of global LV systolic function especially in patients with regional wall motion abnormality. Patients & Methods: The study involved 120 individuals; 20 with normal LV systolic function and 100 patients with LV systolic dysfunction and regional wall motion abnormality. All the cases had their LV systolic function assessed first Simpsonâ??s method by transthoracic echocardiography then speckle tracking for all of them had been done and correlation between results of EF by Simpsonâ??s method and LV global strain was done and statistical analysis was done. Results: Our study had shown that: Global strain more negative than or equal to -16 is equal to EF more than or equal to 55% by transthoracic echo (normal LV systolic function). Global strain more negative than or equal to -13% and less negative than -16 is equal to EF more than or equal to 45% and less than 54% (mild LV systolic dysfunction). Global strain more negative than or equal to -9.8% and less negative than -13% is equal to EF more than or equal to 30% and less than 45% (moderate LV systolic dysfunction). Global strain less negative than -9.8% is equal to EF below 30% (severe LV systolic dysfunction). Conclusion: Speckle tracking provides an easy, accurate bed side modality for assessment of LV systolic function through calculation of LV global strain which is an operator independent technique.

Biography :

Mohamed Haykal is the Researcher in Cardìology at Ministry Of Scientific Researches, Egypt. He is also the Member of advisory board, international society of cardiomyopathy, Japan.

E-mail: dr.mohammadhaykal@yahoo.com