Contribution of Levosimendan in Weaning from Mechanical Ventilation in Patients with Left Ventricular Dysfunction: A Pilot Study

Table 2

Echocardiographic indices before the start of the first spontaneous breathing trial.

	First spontaneous breathing trial		value
	Successful ()	Failed ()
LVEF (%)	38 ± 10	30 ± 4	0.08
E velocity (cm/s)	80 ± 15	86 ± 34	0.66
A velocity (cm/s)	79 ± 45	74 ± 24	0.79
Deceleration time (ms)	214 ± 60	234 ± 66	0.51
e′ velocity (cm/s)	7 ± 1	8 ± 2	0.31
E/e′ ratio	11.20 ± 2.32	10.51 ± 3.18	0.61
E/A ratio	1.33 ± 0.79	1.14 ± 0.76	0.64
Diastolic dysfunction
Grade I	2	1	0.48
Grade II	4	9
Grade III	2	2

E, peak velocity of E-wave; A, peak velocity of A-wave measured using Doppler transmitral flow; e′, early mitral annulus diastolic velocity measured using tissue Doppler imaging; LVEF, left ventricular ejection fraction.