Prediction of fluid responsiveness using respiratory variations in left ventricular stroke area by transoesophageal echocardiographic automated border detection in mechanically ventilated patients

Table 1 Haemodynamic data at baseline and after volume expansion induced by passive leg raising manoeuvre

	Baseline	Passive leg raising	p
ΔSA (percentage)	17 ± 7	8 ± 6^a	< 0.001
ΔPP (percentage)	9.9 ± 5.5	7.9 ± 3.2^a	0.003
Central venous pressure (mm Hg)	3 ± 4	18 ± 4^a	0.005
LVEDAI (cm²/m²)	9.2 ± 4.5	10.8 ± 6.3^a	0.02
Heart rate (beats per minute)	64 ± 18	61 ± 16	0.092
Mean arterial pressure (mm Hg)	58 ± 10	74 ± 11^a	0.002
Velocity time integral (cm)	12.0 ± 4.1	15.9 ± 4.7^a	< 0.001
Cardiac output (litres per minute)	2.16 ± 0.79	2.78 ± 1.08^a	0.008

Data are presented as mean ± standard deviation. LVEDAI, left ventricular end-diastolic area index; ΔPP, respiratory variations in pulse pressure; ΔSA, respiratory variations in left ventricular stroke area. ^a p < 0.05 compared to baseline.

ISSN: 1364-8535