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Kubicek, W.G., Kottke, J., Ramos, M.U., Patterson, R.P., Witsoe, D.A., Labree, J.W., et al. (1974) The Minnesota Impedance Cardiograph: Theory and Applications. BioMedical Engineering, 9, 410-416.

has been cited by the following article:

  • TITLE: Correlation of Electric Cardiometry and Continuous Thermodilution Cardiac Output Monitoring Systems

    AUTHORS: Vishwas Malik, Arun Subramanian, Sandeep Chauhan, Milind Hote

    KEYWORDS: Pulmonary Artery Catheter, Electrical Cardiometry, Cardiac Output, Thermodilution

    JOURNAL NAME: World Journal of Cardiovascular Surgery, Vol.4 No.7, July 14, 2014

    ABSTRACT: Purpose: Impedance Cardiography (ICG) with its drawbacks to reliably estimate cardiac output (CO) when compared to reference methods has led to the development of a novel technique called Electrical Cardiometry (EC). The purpose of this study was to compare EC-CO with the Continuous CO (CCO) derived from Pulmonary Artery Catheter (PAC). Methods: 60 patients scheduled to undergo coronary artery surgery necessitating the placement of PAC were studied in the operating room. Standard ECG electrodes were used for EC-CO measurements. Simultaneous CO measurement from EC and PAC was done at three predefined time points and were correlated. Results: A significant high correlation was found between the EC-CO and CCO at the three time points. Bland and Altman analysis revealed a bias of 0.08 L/min, a precision of 0.15 L/min, with a narrow limit of agreement (-0.13 to 0.28 L/min). The percentage error between the methods was 3.59%. Conclusion: The agreement between EC-CO and CCO is clinically acceptable and these two techniques can be used interchangeably. Mediastinal opening has no effect on the correlation between these two modalities.