ECHOCARDIOGRAPHIC ASSESSMENT OF LEFT VENTRICLE TORSION BY TISSUE DOPPLER AND VELOCITY VECTOR IMAGING

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OJAGHI HAGHIGHI ZAHRA; ALIZADEHASL AZIN; MOSTAFAVI ATOOSA; MOLADOUST HASSAN; NADERI NASIM; NOOHI FERIDOUN; MALEKI MAJID; NIKSERESHT VAHID

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Journal: IRANIAN JOURNAL OF MEDICAL PHYSICS Year:2014 | Volume:11 | Issue:2-3 Page(s): 276-283

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Title

ECHOCARDIOGRAPHIC ASSESSMENT OF LEFT VENTRICLE TORSION BY TISSUE DOPPLER AND VELOCITY VECTOR IMAGING

Author(s)

Keywords

ECHOCARDIOGRAPHY

LEFT VENTRICLE

TORSION

Abstract

Introduction: Left ventricular (LV) twist is believed to store potential energy and plays an important role in generating diastolic suction. Recent advances in ECHOCARDIOGRAPHY techniques have allowed quantification of LV twist. The aim of the present study was to compare LV twist and TORSION in healthy human subjects determined by velocity vector imaging (VVI) and tissue Doppler imaging (TDI) at rest.Materials and Methods: All volunteers (72 healthy subjects) underwent complete echocardiographic study and LV TORSIONal parameters were assessed using VVI or TDI methods. LV rotation at apical and basal short-axis levels was calculated throughout cardiac cycle and LV twist was defined as net difference between rotation angles of the two levels. The LV TORSION was calculated as the LV twist divided by the LV end-diastolic length.Results: Twist degree was significantly lower in the VVI group than the TDI group (11.4±2.4o vs.14.1±3.0o, p<0.001), but when LV twist was normalized by LV end-diastolic length, there was no statistically significant difference between the two groups (1.9±0.7o/cm vs.2.1±0.6 o/cm, p=0.142).Conclusion: Normalized LV twist or LV TORSION values were comparable for both imaging techniques (TDI and VVI methods). Results suggest that these methods may be interchanged for serial assessment, but needs additional studies and preferably larger populations to confirm it.

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APA: Copy

OJAGHI HAGHIGHI, ZAHRA, ALIZADEHASL, AZIN, MOSTAFAVI, ATOOSA, MOLADOUST, HASSAN, NADERI, NASIM, NOOHI, FERIDOUN, MALEKI, MAJID, & NIKSERESHT, VAHID. (2014). ECHOCARDIOGRAPHIC ASSESSMENT OF LEFT VENTRICLE TORSION BY TISSUE DOPPLER AND VELOCITY VECTOR IMAGING. IRANIAN JOURNAL OF MEDICAL PHYSICS, 11(2-3), 276-283. SID. https://sid.ir/paper/635608/en

Vancouver: Copy

OJAGHI HAGHIGHI ZAHRA, ALIZADEHASL AZIN, MOSTAFAVI ATOOSA, MOLADOUST HASSAN, NADERI NASIM, NOOHI FERIDOUN, MALEKI MAJID, NIKSERESHT VAHID. ECHOCARDIOGRAPHIC ASSESSMENT OF LEFT VENTRICLE TORSION BY TISSUE DOPPLER AND VELOCITY VECTOR IMAGING. IRANIAN JOURNAL OF MEDICAL PHYSICS[Internet]. 2014;11(2-3):276-283. Available from: https://sid.ir/paper/635608/en

IEEE: Copy

ZAHRA OJAGHI HAGHIGHI, AZIN ALIZADEHASL, ATOOSA MOSTAFAVI, HASSAN MOLADOUST, NASIM NADERI, FERIDOUN NOOHI, MAJID MALEKI, and VAHID NIKSERESHT, “ECHOCARDIOGRAPHIC ASSESSMENT OF LEFT VENTRICLE TORSION BY TISSUE DOPPLER AND VELOCITY VECTOR IMAGING,” IRANIAN JOURNAL OF MEDICAL PHYSICS, vol. 11, no. 2-3, pp. 276–283, 2014, [Online]. Available: https://sid.ir/paper/635608/en

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