Clinical Study

Influence of Positive End-Expiratory Pressure on Myocardial Strain Assessed by Speckle Tracking Echocardiography in Mechanically Ventilated Patients

Table 2

Respiratory and hemodynamic profile of the patients. Values are expressed as mean ± standard deviation.

PEEP
5 cmH2O
(T1)
PEEP
10 cmH2O
(T2)
PEEP
15 cmH2O
(T3)

Ventilatory parameters
 TV (mL)
 Pplat (cmH2O)
 C.rs (mL/cmH2O)
Hemodynamic parameters
 MAP (mmHg)
 HR (beats per minute)
 CO (L/min)
 SV (mL)

TV: tidal volume; Pplat: plateau pressure; C.rs: static compliance of the respiratory system; MAP: mean arterial pressure; HR: heart rate; CO: cardiac output; SV: stroke volume. * < 0.05 between the three times (T1, T2, and T3) of the study; # < 0.05 between the first (T1) and the third time (T3) of the study.