Open Access, Peer-reviewed
eISSN 2288-338X
    Korean J Adult Nurs. 2013 Oct;25(5):567-573. Korean.
    Published online Oct 31, 2013.
    https://doi.org/10.7475/kjan.2013.25.5.567
    © 2013 Korean Society of Adult Nursing
    Original Article

    A Study on Fluid Intake Measurements

    Chang Kwan Lee, Yu Kyung Kim, Myung Hwa Seo, Kyung Mee Lee and Ju Eun Lee
      • Department of Nursing, Samsung Medical Center, Seoul, Korea.
    • Corresponding author: Lee, Chang Kwan. Department of Nursing, Samsung Medical Center, 81 Irwon-ro Gangnam-gu, Seoul 135-710, Korea. Tel: +82-2-3410-2104, Fax: +82-2-3410-0031, Email: ckj.lee@samsung.com
    Received June 25, 2013; Revised September 04, 2013; Accepted October 24, 2013.

    Abstract

    Purpose

    The purpose of this study was to compared two methods for measuring fluid intake and to assess the most effective method.

    Methods

    Data from 44 hospitalized patients with chronic kidney disease was analyzed. Two methods were used. The liquid method is to measure the daily intake of water in the form of pure water or some other beverage and IV fluid, the liquid-solid method is to measure the daily intake of water which enters by the oral route and IV fluid.

    Results

    The daily intake of fluid was 1483.10mL and 2245.99mL respectively. The fluid output was 1883.72 mL. The Intra-Class Correlation (ICC) between the liquid method and the liquid-solid method and fluid output was 0.64 and 0.69, respectively. The correlation between differences of fluid in two methods and body weight change was r=.47 (p<.001) and r=.56 (p<.001), respectively.

    Conclusion

    The results of this study suggest that there are no difference between the two measuring methods as to reflecting the most close value to fluid output. And the difference between intake and output by two methods is correlated with body weight change. Therefore, it can be suggested that the either method could be useful as patients' fluid intake measurement.

    Keywords
    Fluid balance; Body weight measurements; Intake

    Tables

    Table 1
    General and Disease-related Characteristics of the Participants (N=44)

    Table 2
    Comparison of Amount of Fluid Intake and Output between Two Different Methods (N=44)

    Table 3
    Difference of Intra-class Correlations between Liquid and Liquid-solid Methods (N=44)

    Table 4
    Correlation between Differences in Fluid Intake and Output by Two Different Methods and Weight Change (N=44)

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    MeSH Terms
    Beverages
    Body Weight Changes
    Humans
    Methods
    Renal Insufficiency, Chronic
    Water
    Water-Electrolyte Balance
    Metrics
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