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  • Title: [Comparison of continuous cardiac output measurement methods: non-invasive estimated CCO using pulse wave transit time and CCO using thermodilution].
    Author: Tsutsui M, Yamada T, Sugo Y, Sato T, Akazawa T, Sato N, Yamashita K, Ishihara H, Kazama T, Takeda J.
    Journal: Masui; 2012 Sep; 61(9):1011-7. PubMed ID: 23012842.
    Abstract:
    BACKGROUND: esCCO (estimated continuous cardiac output, Nihon Kohden, esCCO) is a new cardiac output measurement system which uses pulse wave transit time to calculate cardiac output continuously and non-invasively. One of the most commonly used methods to monitor cardiac output is continuous cardiac output CCO (Edwards Lifesciences) which has an accuracy equivalent to that of thermodilution method. METHODS: We compared esCCO to CCO in 67 operating room patients and 128 intensive care unit patients. CCO and esCCO were measured simultaneously in patients with a pulmonary artery catheter inserted after admission to the operating room or intensive care unit. RESULTS: CCO and esCCO showed a high correlation with a correlation coefficient of 0.84 in 496 total data points, and 95% limits of agreement between these two methods were -2.49 to 2.35 l x min(-1). CONCLUSIONS: This result suggests that esCCO could be used to measure cardiac output accurately and non-invasively in different cases.
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