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首页> 外文期刊>Journal of critical care >Electronic bed weighing vs daily fluid balance changes after cardiac surgery
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Electronic bed weighing vs daily fluid balance changes after cardiac surgery

机译：心脏手术后电子床重量与每日液体平衡的变化

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Purpose: The purpose of this study is to establish the validity and reliability of measuring weight in critically ill patients with electronic weighing beds. Methods: All patients admitted to a private intensive care unit (ICU) after cardiac surgery over a 7-month period were weighed on admission and then twice daily (1200 and 2400 hours) using electronic weighing beds (Hill-Rom, Batesville, AR).For each measurement, nonremovable items were recorded, and an average value was deducted from measured weight. We compared differences in body weights (BWs) between 2 consecutive 12-hour periods with the corresponding fluid balance (FB). In addition, we compared weights obtained with electronic weighing beds with those obtained with a regular calibrated scale on ICU discharge. Results: We obtained data in 103 patients for 414 (75.5%) of 548 of all possible BW measurements. On average, we identified a total of 3.5 kg (SD, 1.4) of nonremovable items on patients' beds. The correlation between 12-hourly changes in BW and FB was weak ( r = 0.28; 95% confidence interval [CI], 0.17-0.39), even after correction for insensible fluid losses ( r = 0.27; 95% CI, 0.15-0.38) and when only values obtained in intubated patients were taken into account ( r = 0.34; 95% CI, 0.16-0.49). Similarly, limits of agreements were wide (95% CI, 3.3 to 3.5 kg). There was also poor agreement between weights obtained on electronic beds and those obtained on the regular scale on ICU discharge (95% CI, 7.6 to 7.6 kg). Conclusion: Body weight measured by electronic weighing beds does not seem sufficiently robust or accurate to replace daily FB in ICU. The clinical value of purchasing such beds remains uncertain.
机译：目的：本研究的目的是建立使用电子秤床对重症患者进行体重测量的有效性和可靠性。方法：对所有在心脏手术后7个月内入住私人重症监护病房（ICU）的患者进行称重，然后每天使用电子称重床（Hill-Rom，Batesville，AR）两次（1200和2400小时）对于每次测量，记录不可移动的物品，并从测量的重量中扣除平均值。我们比较了两个连续的12小时周期之间的体重差异（BW）和相应的体液平衡（FB）。此外，我们将电子称重床获得的重量与ICU放电时使用常规校准秤获得的重量进行了比较。结果：我们获得了来自103例患者的数据，该数据涵盖了548种可能的BW测量值中的414（75.5％）。平均而言，我们在病床上发现总共3.5千克（标准差，1.4）不可移动物品。即使校正了不可思议的体液流失（r = 0.27; 95％CI，0.15-0.38），体重和FB的12小时变化之间的相关性也很弱（r = 0.28; 95％置信区间[CI]，0.17-0.39）。 ），并且仅考虑在插管患者中获得的值（r = 0.34; 95％CI，0.16-0.49）。同样，协议的范围也很广（95％CI，3.3至3.5千克）。在电子病床上获得的重量与在ICU排出时按常规比例获得的重量（95％CI，7.6至7.6 kg）之间也不一致。结论：通过电子称重床测量的体重似乎不足以代替ICU中的每日FB。购买此类病床的临床价值仍不确定。

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