منابع مشابه
Left Ventricular Torsion in Humans
Background. The transmural distribution of fiber angles and the extent of shortening among obliquely oriented fibers are likely to be major determinants of the twisting motion that accompanies left ventricular (LV) ejection. As such, measurements of torsion may provide useful information about LV contractile function, but other factors, such as ventricular loading conditions, may also regulate ...
متن کاملLeft ventricular torsion: feeling the heat
During systole, the base and apex of the left ventricle (LV) rotate along the longitudinal axis of the LV in opposite directions. When viewed from an apical reference point, systolic rotation at the apex is anticlockwise while the base rotates in an overall clockwise direction. This counterdirectional rotation results in a wringing motion of the heart, known as LV torsion (LVT) or twist. The te...
متن کاملLeft Ventricular Torsion Changes Post Kidney Transplantation
BACKGROUND To quantify changes of left ventricular (LV) torsion in patients' pre and post kidney transplantation. METHODS A prospective study was conducted on 48 patients who received kidney transplantation for end stage renal disease and without myocardial infarction. The rotation, twist and torsion of LV were studied pre and post kidney transplantation (6 months post transplantation) using ...
متن کاملReduced Left Ventricular Torsion Early After Myocardial Infarction is Related to Left Ventricular Remodeling Running title : LV torsion in AMI
Background-Left ventricular (LV) torsion is emerging as a sensitive parameter of LV systolic myocardial performance. Aim of the present study was to explore the effects of acute myocardial infarction (AMI) on LV torsion, and to determine the value of LV torsion early after AMI in predicting LV remodeling at 6-month follow-up. Methods and Results-A total of 120 patients with first ST-elevation A...
متن کاملReduced left ventricular torsion early after myocardial infarction is related to left ventricular remodeling.
BACKGROUND Left ventricular (LV) torsion is emerging as a sensitive parameter of LV systolic myocardial performance. The aim of the present study was to explore the effects of acute myocardial infarction (AMI) on LV torsion and to determine the value of LV torsion early after AMI in predicting LV remodeling at 6-month follow-up. METHODS AND RESULTS A total of 120 patients with a first ST-segm...
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ژورنال
عنوان ژورنال: JACC: Cardiovascular Imaging
سال: 2009
ISSN: 1936-878X
DOI: 10.1016/j.jcmg.2009.03.001