Table 3.
Global and regional strain and strain rate values of healthy athletes, ARVC patients and athletes with ARVC
| Athletes (n = 34) Mean ± SD |
ARVC (n = 34) Mean ± SD |
Athletes with ARVC (n = 8) Mean ± SD |
|
|---|---|---|---|
| Global left and right ventricular strain | |||
| LV GLS | − 22.0 ± 3.4 [− 23.4 to − 20.6] |
− 20.4 ± 5.0 [− 22.5 to − 18.2] |
− 24.9 ± 1.4 [− 27.6 to − 23.2] |
| LV GCS | − 30.5 ± 6.0 [− 32.5 to − 27.1] |
− 26.3 ± 7.8* [− 30.9 to − 21.9] |
− 35.6 ± 5.7 [− 41.4 to − 29.3] |
| LV GRS | 57.6 ± 14.5 [49.3–58.5] |
49.8 ± 49.9 [40.7–58.3] |
71.4 ± 11.2 [58.0–87.2] |
| RV GLS | − 25.6 ± 3.9 [− 27.7 to − 23.7] |
− 20.4 ± 7.6** [− 24.1 to − 16.7] |
− 21.3 ± 3.9 [− 26.0 to − 17.0] |
| Regional longitudinal strain and strain rate values of the RV free wall | |||
| RV basal strain | − 34.5 ± 8.6 [− 39.3 to − 32.1] |
− 30.9 ± 11.8 [− 35.1 to − 24.6] |
− 35.6 ± 8.3 [− 43.7 to − 28.7] |
| RV mid strain | − 31.5 ± 10.2 [− 36.4 to − 27.8] |
− 20.0 ± 13.4*** [− 23.4 to − 12.0] |
− 21.5 ± 4.9 [− 25.3 to − 14.6] |
| RV apical strain | − 30.9 ± 8.0 [− 35.8 to − 27.4] |
− 24.6 ± 11.6** [− 28.2 to − 19.6] |
− 19.7 ± 11.1 [− 29.1 to − 8.2] |
| RV average strain | − 32.3 ± 5.0 [− 34.1 to − 31.2] |
− 25.1 ± 9.3** [− 27.4 to − 22.7] |
− 25.6 ± 3.0 [− 29.7 to − 23.2] |
| RV min strain | − 24.0 ± 7.2 [− 27.4 to − 22.7] |
− 15.2 ± 9.0*** [− 17.1 to − 10.4] |
− 15.4 ± 7.1 [− 23.8 to − 8.2] |
| RV basal strain rate | − 1.74 ± 0.59 [− 2.00 to − 1.40] |
− 1.52 ± 0.97* [− 1.70 to − 0.90] |
− 1.61 ± 0.63 [− 2.40 to − 0.94] |
| RV mid strain rate | − 1.37 ± 0.56 [− 1.70 to − 1.08] |
− 1.04 ± 0.68** [− 1.20 to − 0.70] |
− 1.05 ± 0.22 [− 1.22 to − 0.78] |
| RV apical strain rate | − 1.33 ± 0.40 [− 1.50 to − 1.10] |
− 1.17 ± 0.56 [− 1.32 to − 0.80] |
− 0.96 ± 0.34 [− 1.32 to − 0.71] |
| RV average strain rate | − 1.48 ± 0.38 [− 1.53 to − 1.33] |
− 1.24 ± 0.59* [− 1.43 to − 0.86] |
− 1.21 ± 0.28 [− 1.49 to − 0.92] |
| RV min strain rate | − 1.09 ± 0.31 [− 1.20 to − 0.90] |
− 0.79 ± 0.32** [− 0.92 to − 0.60] |
− 0.80 ± 0.24 [− 1.02 to − 0.62] |
Values are expressed in mean ± SD [95% Confidence Interval]
GLS global longitudinal strain, GCS global circumferential strain, GRS global regional strain
*p < 0.05; **p < 0.01; ***p < 0.001, Significant difference between sedentary ARVC patients and healthy athletes