Cardiac output measurements in off-pump coronary surgery: comparison between NICO and the Swan-Ganz catheter

被引:24
作者
Gueret, G. [1 ]
Rossignol, B. [1 ]
Kiss, G. [1 ]
Bezon, E. [1 ]
Wargnier, J. P. [1 ]
Miossec, A. [1 ]
Corre, O. [1 ]
Arvieux, C. C. [1 ]
机构
[1] Univ Hosp, Dept Anesthesiol & Surg, Intens Care Unit, Brest, France
关键词
surgery cardiac; off-pump; cardiac output; thermodilution; non-invasive; methods; cardiac output monitoring; comparison; catheterization; Swan-Ganz;
D O I
10.1017/S0265021506000573
中图分类号
R614 [麻醉学];
学科分类号
100217 ;
摘要
Background: The aim. of this prospective study was to compare continuous cardiac output measurements of the non-invasive cardiac output system (NICO) with the pulmonary artery catheter during off-pump coronary bypass surgery. Methods: Twenty-two patients enrolled for off-pump coronary surgery received both a pulmonary artery catheter and a non-invasive cardiac output system for measurement of cardiac output. Data were compared by the Bland-Altman method to calculate the degree of agreement and to analyse if a significant difference existed between the two methods of cardiac output measurements. Results: Perioperatively, the non-invasive cardiac output underestimated cardiac output, but postoperatively overestimated it. The limits of agreement were larger during surgery compared to the postoperative period (-3.1; + 2.5 vs. -1.4; + 2.2 L min(-1)). Perioperatively, cardiac output measured with the pulmonary artery catheter varied from 0.5 to 7.5 L min(-1) (mean 3.6 L min(-1)) and with the non-invasive cardiac output from 0.5 to 8.4 L min(-1) (mean 3.9 L min(-1)). Postoperatively, these were 2.5-7.7 L min(-1) (mean 4.5 L min(-1)) and 2.3-8.4 L min(-1) (mean 4.9 L min(-1)), respectively. Conclusion: During off-pump cardiac surgery, the non-invasive cardiac output reliably measures cardiac output and does it more rapidly than a pulmonary artery catheter and may be more useful in order to detect rapid haemodynamic changes.
引用
收藏
页码:848 / 854
页数:7
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