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From:
Published online 2010 June 22. doi: 10.1186/cc9076

Table 2

Echocardiographic findings in the 117 patients during pressure support ventilation (PS/PEEP) and the spontaneous breathing trial (SBT)

PS/PEEPSBTP value
HR (/min)95 (90-99)98 (91-103)0.00001
SAP (mmHg)138 (132-143)145 (136-152)0.019
CO (L/min)5.8 (5.2-6.2)6.0 (5.4-6.7)0.004
SV (mL)62 (57-67)64 (58-70)0.5
E/A0.94 (0.82-1.05)1.00 (0.88-1.15)0.003
DTE (ms)168 (150-187)147 (132-160)0.00001
E/E'5.9 (5.4-6.4)6.5 (5.7-7.2)0.16
RVEDA/LVEDA0.47 (0.44-0.50)0.47 (0.44-0.50)0.79

CO, cardiac output; SV, stroke volume; E/A, ratio of maximal mitral E wave and A wave velocities; DTE, deceleration time of mitral E wave; HR, heart rate; LVEDA, left ventricular end-diastolic area; RVEDA, right ventricular end-diastolic area; SAP, systolic arterial pressure.