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Table 3 Signs of dyssynchrony in the sub study patients, n = 100

From: Prevalence and inter-relationship of different Doppler measures of dyssynchrony in patients with heart failure and prolonged QRS: a report from CARE-HF

Variable All pts (N = 100) Pts with IDCM (N = 53) Pts with IHD (N = 47) P value CMP vs IHD
LVFT, ms, 400.0 (312.6, 494.9) 372.8 (280.8, 477.1) 426.9 (346.5, 519.1) 0.03
LVFT as % of RR 44.6 (38.6, 52.1) 42.5 (36.4, 50.2) 47.0 (41.5, 54.1) 0.02
No of pts <40% (%) 34 (34.0) 24 (45.3) 10 (21.3) 0.02
IVMD, ms 47.9 (27.4, 62.0) 50.5 (33.3, 69.7) 41.1(23.9, 58.3) 0.11
No of pts with IVMD >40 ms (%) 60 (60.0) 37 (69.8) 23 (48.9) 0.09
Base-segments [6]     
No of pts with DLC(%) 85 (85.0) 47 (88.7) 38 (80.9) 0.40
No of segments with DLC 2 (1, 3) 3 (2, 3) 2 (1, 2) 0.05
Mid-segments [6]     
No of pts with DLC(%) 70 (70.0) 42 (79.2) 28 (59.6) 0.05
No of segments with DLC 2 (0, 2) 2 (1, 2) 1 (0, 2) 0.02
Apical-segments, [4]     
No of pts with DLC 0 0 0  
16-segments model     
No of pts with DLC 85 (85.0) 47 (88.7) 38 (80.9) 0.40
No of segments with DLC 4 (2, 5) 4 (3, 5) 3 (1, 4) 0.003
Base-segments [6]     
No of pts with TSI(%) 86 (86.0) 48 (90.6) 38 (80.9) 0.25
No of segments with TSI 2 (1, 3) 3 (2, 3) 2 (1, 2) 0.03
Mid-segments [6]     
No of pts with TSI(%) 69 (69.0) 42 (79.2) '27 (57.4) 0.03
No of segments with TSI 2 (0, 2) 2 (1, 2) 1 (0, 2) 0.03
Apical segments, 4     
No of pts with TSI 0 0 0  
16-segments model     
No of pts with TSI(%) 86 (86.0) 48 (90.6) 38 (80.9) 0.25
No of segments with TSI 4 (2, 5) 4 (3, 5) 3 (1, 4) 0.002
  1. Median (IQR), n (%). LVFT = left ventricular filling time, IVMD = Inter ventricular mechanical delay, DLC = delayed longitudinal contraction, TSI = tissue synchronisation imaging, IDCM = idiopathic dilated cardiomyopathy, IHD = ischemic heart disease.