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Table 2 The peak global systolic longitudinal strain of endocardial, middle and epicardial layers, peak global longitudinal strain rate between preoperative and postoperative (\( \overline{x}\pm \mathrm{s} \))

From: Left ventricular longitudinal function assessment in rabbits after acute occlusion of left anterior descending coronary artery by two-dimensional speckle tracking imaging

Varible Peak global systolic longitudinal strain(%) Peak global longitudinal strain rate (S−1)
Endocardial Middle Epicardial Systolic Early-diastolic Late-diastolic
Preoperative −16.84 ± 4.49 −13.88 ± 3.84 −11.53 ± 3.34 −2.59 ± 0.71 2.93 ± 1.03 3.33 ± 0.96
Postoperative −11.79 ± 4.51 −9.63 ± 3.89 −7.66 ± 3.74 −1.68 ± 0.77 1.65 ± 1.19 2.05 ± 1.03
P-value <0.001 <0.001 <0.001 <0.001 <0.001 <0.001