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Left Ventricular Global Strain for Estimating Relaxation and Filling Pressure - A Multicenter Study
- Source :
- Circulation journal : official journal of the Japanese Circulation Society. 80(5)
- Publication Year :
- 2016
-
Abstract
- BACKGROUND Speckle-tracking echocardiography (STE)-derived parameters may have better correlation with left ventricular (LV) relaxation and filling pressure than tissue Doppler-derived parameters. However, it has not been elucidated which parameter - strain or strain rate - and which direction of myocardial deformation - longitudinal or circumferential - is the most useful marker of LV relaxation and filling pressure. METHODS AND RESULTS We conducted a prospective multicenter study and compared the correlation of tissue Doppler- and STE-derived parameters with the time constant of LV pressure decay (τ) and LV mean diastolic pressure (MDP) in 77 patients. The correlation of early-diastolic mitral annular velocity (e´) with τ was weak (r=-0.32, P
- Subjects :
- Adult
Male
Diastole
Speckle tracking echocardiography
030204 cardiovascular system & hematology
Ventricular Function, Left
030218 nuclear medicine & medical imaging
03 medical and health sciences
0302 clinical medicine
Nuclear magnetic resonance
medicine
Ventricular Pressure
Humans
Prospective Studies
business.industry
Area under the curve
General Medicine
Strain rate
Middle Aged
medicine.disease
Blood pressure
ROC Curve
Echocardiography
Heart failure
Ventricular pressure
Relaxation (physics)
Female
Cardiology and Cardiovascular Medicine
business
Subjects
Details
- ISSN :
- 13474820
- Volume :
- 80
- Issue :
- 5
- Database :
- OpenAIRE
- Journal :
- Circulation journal : official journal of the Japanese Circulation Society
- Accession number :
- edsair.doi.dedup.....780d54e9eabde6e3bdccba68761afba6