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Table 3 Changes in LV volumes, LV ejection fraction and end-systolic global longitudinal strain

From: The Association of a classical left bundle Branch Block Contraction Pattern by vendor-independent strain echocardiography and outcome after cardiac resynchronization therapy

  No Classical Classical  
n = 38 n = 85 p-value
Relative ΔLV end-systolic volume, % −7 ± 27 −26 ± 25 < 0.001
vLV end-systolic volume ≤ − 15% 13 (34%) 64 (75%) < 0.001
Relative ΔLV end-diastolic volume, % 0 ± 24 −16 ± 22 < 0.001
Absolute ΔLV ejection fraction, %-points 7 ± 11 11 ± 10 0.03
Absolute ΔLV end-systolic GLS, %-points −1.8 ± 4.1 −3.6 ± 3.8 0.02
  1. The changes are from the baseline to the follow-up echocardiogram
  2. GLS Global longitudinal strain, LV Left ventricular