Speckle Tracking Echocardiography: Early Predictor of Diagnosis and Prognosis in Coronary Artery Disease

Table 1

Medium cutoff values of strain parameters for diagnosis and prognostic assessment of coronary artery disease based on the available literature.

	Diagnosis		Prognosis
	Acute	Chronic	Acute	Chronic
GLS	-17.82% [12, 13, 26, 27]	-17.41% [37, 39, 41–43]; SE: -16.75% [55, 56, 58]	-13.32% [20, 21, 64–66]	—
GCS	-17.35% [12, 19]	—	-13% [19]	-20% [69]
GRS	—	—	—	—
Regional LS	—	-20.45% [44, 64]		—
Torsion	1.39 degrees/cm	—	—	—
PSS	-13.9% [73]
PALS	—	—	—	—
fwRVLS	—	—	—	—
3D strain echocardiography	3D GLS: -11.75% [89, 90]; 3D GAS: -21% [90]

fwRVLS: free-wall RVLS; GAS: global area strain; GCS: global circumferential strain; GLS: global longitudinal strain: GRS: global radial strain; PALS: peak atrial longitudinal strain; PSS: post systolic-shortening; SE: stress echocardiography.