作者
Laurent Muller, Xavier Bobbia, Mehdi Toumi, Guillaume Louart, Nicolas Molinari, Benoit Ragonnet, Hervé Quintard, Marc Leone, Lana Zoric, Jean Yves Lefrant, AzuRea group laurent. muller27@ orange. fr
发表日期
2012/10
期刊
Critical Care
卷号
16
页码范围
1-7
出版商
BioMed Central
简介
Introduction
To investigate whether respiratory variation of inferior vena cava diameter (cIVC) predict fluid responsiveness in spontaneously breathing patients with acute circulatory failure (ACF).
Methods
Forty patients with ACF and spontaneous breathing were included. Response to fluid challenge was defined as a 15% increase of subaortic velocity time index (VTI) measured by transthoracic echocardiography. Inferior vena cava diameters were recorded by a subcostal view using M Mode. The cIVC was calculated as follows: (Dmax - Dmin/Dmax) × 100 and then receiver operating characteristic (ROC) curves were generated for cIVC, baseline VTI, E wave velocity, E/A and E/Ea ratios.
Results
Among 40 included patients, 20 (50%) were responders (R). The causes of ACF were sepsis (n = 24), haemorrhage (n = 11 …
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