Table 2 Index of contractile asymmetry in standard apical views and six left ventricular sectors at baseline
From: Index of contractile asymmetry improves patient selection for CRT: a proof-of-concept study
All subjects (n = 89) | Responders (n = 66) | Non-responders (n = 23) | p-value † | Controls (n = 10) | p-value ‡ | |
|---|---|---|---|---|---|---|
Two-chamber view, s− 1 | 0.52 ± 0.14 | 0.53 ± 0.15 | 0.48 ± 0.14 | 0.14 | 0.45 ± 0.13 | 0.6 |
Three-chamber view, s−1 | 0.71 ± 0.25 | 0.78 ± 0.23 | 0.51 ± 0.15 | < 0.0001* | 0.49 ± 0.12 | 0.66 |
Four-chamber view, s−1 | 0.75 ± 0.25 | 0.79 ± 0.25 | 0.62 ± 0.18 | < 0.001* | 0.42 ± 0.11 | < 0.001* |
ICA1, s−1 | 0.58 ± 0.18 | 0.61 ± 0.19 | 0.52 ± 0.16 | 0.03* | 0.44 ± 0.12 | 0.12 |
ICA2, s−1 | 0.7 ± 0.23 | 0.74 ± 0.24 | 0.59 ± 0.18 | 0.002* | 0.41 ± 0.11 | 0.002* |
ICA3, s−1 | 0.76 ± 0.25 | 0.81 ± 0.24 | 0.6 ± 0.19 | < 0.0001* | 0.41 ± 0.08 | < 0.001* |
ICA4, s−1 | 0.75 ± 0.26 | 0.83 ± 0.24 | 0.55 ± 0.18 | < 0.0001* | 0.46 ± 0.09 | 0.08 |
ICA5, s−1 | 0.56 ± 0.18 | 0.61 ± 0.18 | 0.41 ± 0.1 | < 0.0001* | 0.43 ± 0.13 | 0.76 |
ICA6, s−1 | 0.42 ± 0.1 | 0.44 ± 0.11 | 0.39 ± 0.1 | 0.07 | 0.4 ± 0.13 | 0.89 |