Research Article

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

Table 1

Clinical characteristics of the patients according to the first SBT outcome.

First SBT () value
Successful ()Failed ()

Age (years)74 ± 872 ± 90.6
Females (%)2 (25)4 (36)0.9
MIP (cmH2O)−46 ± (−13)−32 ± (−10)0.02
Troponin (pg/ml)432 ± 576217 ± 2680.36
NT-proBNP (pg/ml)1564 ± 8627515 ± 136430.36
Systolic BP (mmHg)129 ± 25123 ± 180.57
Diastolic BP (mmHg)63 ± 1560 ± 150.59
Heart rate (bpm)91 ± 1883 ± 150.31
SaO2 (%)99 ± 198 ± 10.69
PaO2 (mmHg)125 ± 26132 ± 400.68
PaCO2 (mmHg)36 ± 538 ± 100.63
pH7.41 ± 0.027.42 ± 0.040.69
ScvO2 (%)66 ± 866 ± 70.9
Hct (%)25.7 ± 3.728.8 ± 4.30.1
48-hour fluid balance (mL)371 ± 1134618 ± 16460.72

No. of patients with
Ischemic heart disease, n (%)4 (50)9 (81)0.32
Heart failure, n (%)4 (50)11 (100)0.02
Hypertension, n (%)7 (88)11 (100)0.42
Atrial fibrillation, n (%)3 (38)2 (18)0.62
Diabetes mellitus, n (%)3 (38)4 (36)0.90
Chronic kidney disease, n (%)3 (35)5 (45)0.90
COPD, n (%)2 (25)3 (27)0.90

SBT, spontaneous breathing trial; MIP, maximum inspiratory pressure; BP, blood pressure; NT-proBNP, N-terminal probrain natriuretic peptide; bpm, beats per minute; SaO2, arterial oxygen saturation; PO2, arterial oxygen tension; PaCO2, arterial carbon dioxide tension; pH, arterial pH; ScvO2, central venous oxygen saturation; Hct, haematocrit; COPD, chronic obstructive pulmonary disease; (), before the start of the first SBT.