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Table 2 Circumferential strain and strain rate at LV basal and apical segments

From: Impact of the left anterior descending artery wrapping around the left ventricular apex on cardiac mechanics in patients with normal coronary angiography

LV basalLAD wrappingLAD non-wrappingP valueLV apexLAD wrappingLAD non-wrappingP value
Circ εsys%
Mean basal− 13.87 ± 4.0− 13.5 ± 3.20.721Mean apical− 15.92 ± 4.5− 13.78 ± 0.30.02
Circ SRsys(s-1)
Mean basal− 1.14 ± 1.83−0 .87 ± .190.533Mean apical− 1.25 ± 1.85− 0.84 ± .130.000
Circ SRe(s-1)
Mean basal0.96 ± .440.90 ± .250.564Mean apical1.09 ± 0.490.88 ± .180.000
Circ SRa(s-1)
Basal septum0.49 ± .150.38 ± .0820.005Apical anterior0.56 ± .270.44 ± .140.053
Basal anterior0.52 ± .250.41 ± .190.067Apico septal0.58 ± .300.37 ± .100.005
Basal lateral0.54 ± .230.38 ± .130.005Apical lateral0.5635 ± .290.39 ± .100.017
Basal inferior0.53 ± .190.36 ± .090.000Apical infer0.64 ± .430.36 ± .0730.007
Mean basal0.74 ± 1.140.38 ± .080.0121Mean apical0.58 ± .520.39 ± .0620.000
  1. ɛsys peak systolic strain, SRsys peak systolic strain rat, SRe early diastolic strain rate, SRa late diastolic strain rate