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Table 3 Speckle tracking strain and strain rate data at baseline and one week after TAVI

From: Acute regional improvement of myocardial function after interventional transfemoral aortic valve replacement in aortic stenosis: A speckle tracking echocardiography study

  baseline 7 days post TAVI p- value
Radial strain (%) 36.5 ± 13.7 39.7 ± 17.2 .458
Radial strain rate (s-1) 1.63 ± 0.44 1.97 ± 0.66 .004
Circumferential strain (%) -18.1 ± 5.1 -18.9 ± 4.2 .607
Circumferential strain rate (s-1) -1.40 ± 0.32 -1.59 ± 0.47 .031
Global longitudinal PSS (%) -15.1 ± 3.0 -17.5 ± 2.4 < .001
Global longitudinal strain rate (s-1) -1.01 ± 0.16 -1.14 ± 0.28 .005
Longitudinal PSS - APLAX (%) -14.7 ± 3.6 -16.9 ± 3.7 .009
Longitudinal SR - APLAX (s-1) -1.01 ± 0.23 -1.12 ± 0.34 .071
Longitudinal PSS - 4CH (%) -15.4 ± 3.4 -17.2 ± 3.1 .003
Longitudinal SR - 4CH (s-1) -1.00 ± 0.19 -1.15 ± 0.31 .007
Longitudinal PSS - 2CH (%) -14.8 ± 3.5 -17.4 ± 3.8 .004
Longitudinal SR - 2CH (s-1) -1.01 ± 0.23 -1.15 ± 0.28 .022
  1. Data are expressed as mean ± SD. PSS, Peak systolic strain; APLAX, apical long axis view; 4CH, apical four chamber view; 2CH, apical two chamber view.