Table 2 Parameters of CMR functional cardiac session
CMR functional cardiac session | Baseline ±SD before apnoea | Begin of apnoea ±SD apnoeaearly | End of apnoea ±SD apnoealate | Mean of difference at beginning vs. end of apnoea | SD of differences | 95% confidence interval | p-value |
|---|---|---|---|---|---|---|---|
HR [bpm] | 67.9 ± 17.0 | 75.5 ± 23.3 | 61.1 ± 11.8 | −14.8 | 24.4 | −27.8 to −1.8 | 0.0282 |
LVEDV [ml] | 133.4 ± 37.9 | 122.9 ± 24.2 | 176.9 ± 26.4 | 53.4 | 28.2 | 38.3 to 68.4 | < 0.001 |
LVESV [ml] | 48.0 ± 18.6 | 47.3 ± 16.8 | 75.9 ± 16.3 | 27.4 | 14.5 | 19.7 to 35.1 | < 0.001 |
LVEF [%] | 64.3 ± 9.2 | 61.8 ± 9.4 | 56.8 ± 8.2 | −4.2 | 7.5 | −8.2 to −0.2 | 0.0397 |
LVSV [ml] | 86.4 ± 26.3 | 75.6 ± 16.9 | 95.1 ± 32.6 | 19.5 | 34.1 | 2.0 to 37.1 | 0.0014 |
LVCO [l/min] | 5.7 ± 2.1 | 5.5 ± 1.6 | 6.1 ± 1.7 | 0.6 | 1.0 | 0.1 to 1.2 | 0.021 |
FS [%] | |||||||
 apical | 43.8 ± 5.9 | 41.5 ± 7.4 | 27.9 ± 7.2 | −13.7 | 5.8 | −16.7 to − 10.7 | < 0.0001 |
 midventricular | 33.9 ± 7.1 | 30.7 ± 9.0 | 21.6 ± 4.4 | −8.3 | 7.6 | −12.4 to −4.3 | 0.0005 |
 basal | 30.1 ± 5.4 | 26.7 ± 7.1 | 22.6 ± 5.5 | −3.2 | 6.0 | −6.7 to 0.2 | 0.0646 |
 mean | 35.9 ± 4.8 | 33.0 ± 6.0 | 23.8 ± 4.4 | −8.6 | 4.4 | −10.9 to −6.2 | <.0001 |