Skip to main content
. 2023 Oct 5;53(13):2608–2621. doi: 10.1007/s00247-023-05765-9

Table 3.

Absolute and relative changes of indexed ventricular volumes and changes of ejection fractions during inspiration

Volume increase (percentage relative to end-expiratory volume), absolute increase of ejection fraction T-test for comparison (P-value)
RV overload Controls
RV EDVi (ml/m2) per TTVi (ml/m2)  + 19.0 ± 6.0 (+ 16.0 ± 9.0%)  + 16.0 ± 7.0 (+ 22.0 ± 13.0%) 0.31
ESVi (ml/m2) per TTVi (ml/m2)  + 6.8 ± 4.6 (+ 1.4 ± 0.9%)  + 12.0 ± 7.0 (+ 4.7 ± 4.3%) 0.09
SVi (ml/m2) per TTVi (ml/m2)  + 13.0 ± 3.0 (+ 15.0 ± 6.0%)  + 21.0 ± 6.0 (+ 35.0 ± 17.0%) 0.38
EF (%)  + 1.4 ± 0.9  + 6.1 ± 1.5 0.01
LV EDVi (ml/m2) per TTVi (ml/m2) -5.3 ± 2.3 (-8.6 ± 3.0%) -4.7 ± 1.6 (-6.1 ± 1.8%) 0.28
ESVi (ml/m2) per TTVi (ml/m2)  + 0.4 ± 0.4 (+ 1.7 ± 1.6%)  + 0.7 ± 0.5 (+ 2.1 ± 2.0%) 0.31
SVi (ml/m2) per TTVi (ml/m2) -5.5 ± 2.5 (-13.9 ± 4.7%) -5.3 ± 1.7 (-10.2 ± 3.0%) 0.36
EF (%) -3.0 ± 1.8 -3.3 ± 1.1 0.47

EDVi end-diastolic volume indexed to body surface area, EF ejection fraction, ESVi end-systolic volume indexed to body surface area, LV left ventricular, RV right ventricular, SVi stroke volume indexed to body surface area, TTVi typical tidal volume indexed to body surface area