DYNAMICS IN PARAMETERS OF STANDARD AND 2D SPECKLE TRACKING ECHOCARDIOGRAPHY IN PATIENTS WITH ACUTE PRIMARY ANTERIOR STEMI
https://doi.org/10.29001/2073-8552-2016-31-2-43-47
Abstract
The aim of this study was to assess the early dynamics in parameters of heart biomechanics by standard and by 2 dimensional speckle tracking echocardiography in patients with acute primary anterior STEMI. The study comprised 35 patients aged 58.46±10.2 years. All of them underwent urgent reperfusion therapy delivered within the first 6 hours after onset of STEMI in 72% of the events. Echocardiography with 2D speckle tracking imaging was performed at day 1 (T1), 7 (T2), and 14 (T3) after STEMI onset (Vivid E9). The study did not show significant dynamics in the parameters of standard echocardiography. However, global longitudinal strain improved from T1 to T3 (p<0.05). This improvement occurred as soon as at day 7 after STEMI: from –10.8±3.15 (Т1) to –11.3±3.04% (Т2). Basal rotation and basal rotation rate were elevated and remained unchanged during the first 14 days after STEMI. Apical rotation was attenuated during the entire period of the study. Apical rotational rate at systole increased to day 14 after STEMI [from 53.09±26.2 (Т1) to 71.3±29.2 °/s (Т3)]. Twist did not change, but twist rate at systole increased to day 14 after STEMI [from 83.75±28.02 (Т1) to 101.76±36.89 °/s (Т3)]. Patients with adverse left ventricular remodeling underwent urgent reperfusion therapy later, than others (5.48±3.58 vs. 3.89±2.16 h). Increase in end diastolic volume was accompanied by the dynamics in global longitudinal strain: –10.85±3.46 (T1), –11.39±3.04 (T2), and –11.87±3.16% (T3) and by the changes in wall motion score index: 1.63±0.35 (Т1), 1.55±0.3 (Т2), and 1.44±0.3 (Т3) at day 1, 7, and 14, respectively.
About the Authors
M. A. Kercheva
Federal State Budgetary Scientific Institution “Research Institute for Cardiology”, Tomsk
Russian Federation
Russian Federation
T. R. Ryabova
Federal State Budgetary Scientific Institution “Research Institute for Cardiology”, Tomsk
Russian Federation
Russian Federation
V. V. Ryabov
Federal State Budgetary Scientific Institution “Research Institute for Cardiology”, Tomsk;
Siberian State Medical University, Tomsk;
National Research Tomsk State University
Russian Federation
Russian Federation
R. S. Karpov
Federal State Budgetary Scientific Institution “Research Institute for Cardiology”, Tomsk;
Siberian State Medical University, Tomsk;
National Research Tomsk State University
Russian Federation
Russian Federation
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Review
For citations:
Kercheva M.A., Ryabova T.R., Ryabov V.V., Karpov R.S. DYNAMICS IN PARAMETERS OF STANDARD AND 2D SPECKLE TRACKING ECHOCARDIOGRAPHY IN PATIENTS WITH ACUTE PRIMARY ANTERIOR STEMI. Siberian Journal of Clinical and Experimental Medicine. 2016;31(2):43-47. (In Russ.) https://doi.org/10.29001/2073-8552-2016-31-2-43-47
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