A comparison of the Nexfin® and transcardiopulmonary thermodilution to estimate cardiac output during coronary artery surgery.
作者： O. Broch , J. Renner , M. Gruenewald , P. Meybohm , J. Schöttler
DOI: 10.1111/J.1365-2044.2011.07018.X
关键词:
摘要: The newly introduced Nexfin(®) device allows analysis of the blood pressure trace produced by a non-invasive finger cuff. We compared cardiac output derived from Nexfin and PiCCO, using transcardiopulmonary thermodilution, during surgery. Forty patients with preserved left ventricular function undergoing elective coronary artery bypass graft surgery were studied after induction general anaesthesia until discharge to intensive care unit. There was significant correlation between PiCCO before (r(2) = 0.81, p < 0.001) 0.56, cardiopulmonary bypass. Bland-Altman demonstrated mean bias be -0.1 (95% limits agreement -0.6 +0.5, percentage error 23%) (-0.8 +0.6, 26%) l.min(-1).m(-2), bypass, respectively. After passive leg-raise performed, there also good two methods, both 0.72, 0.76, conclude that is reliable method measuring
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