Table 2.
Echocardiographic Variables | ECMO Variables |
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---|---|---|---|---|---|---|---|---|---|
ECMO blood flow |
ECMO sweep gas flow |
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Pearson correlation coefficient | p value | Pearson correlation coefficient | p value | ||||||
RV basal diameter* | –0.63 | 0.10 | –0.44 | 0.28 | |||||
TAPSE† | 0.34 | 0.30 | 0.07 | 0.82 | |||||
RV S'‡ | 0.52 | 0.10 | 0.46 | 0.15 | |||||
RVFAC§ | 0.64 | 0.36 | 0.77 | 0.23 | |||||
RVSP|| | 0.44 | 0.20 | –0.68 | 0.03 |
Echocardiographic variables | Gas exchange |
||||||||
---|---|---|---|---|---|---|---|---|---|
PaO2 |
PaCO2 |
pH |
|||||||
Pearson correlation coefficient | p value | Pearson correlation coefficient | p value | Pearson correlation coefficient | p value | ||||
RV basal diameter* | 0.43 | 0.29 | −0.49 | 0.21 | 0.20 | 0.63 | |||
TAPSE † | –0.03 | 0.91 | 0.20 | 0.52 | 0.03 | 0.92 | |||
RV S' ‡ | –0.16 | 0.63 | 0.58 | 0.06 | 0.05 | 0.88 | |||
RVFAC§ | 0.95 | 0.047 | 0.02 | 0.98 | 0.94 | 0.06 | |||
RVSP || | –0.53 | 0.11 | 0.04 | 0.91 | 0.18 | 0.61 |
NOTE. Pearson correlation coefficient was calculated. p values < 0.05 were considered significant.
ECMO, extracorporeal membrane oxygenation; PaCO2, arterial partial pressure of carbon dioxide; PaO2, arterial partial pressure of oxygen; RV, right ventricle; RVFAC, fractional area change of the RV; RV S', pulsed Doppler S wave of the RV; RVSP, RV systolic pressure; TAPSE, tricuspid annular plane systolic excursion.
Data available for 16 of 18 patients before cannulation and 9 of 18 patients after cannulation.
Data available for 14 of 18 patients before cannulation and 12 of 18 patients after cannulation.
Data available for 11 of 18 patients before cannulation and 11 of 18 patients after cannulation.
Data available for 6 of 18 patients before cannulation and 4 of 18 patients after cannulation.
Data available for 11 of 18 patients before cannulation and 10 of 18 patients after cannulation.