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A comparison of the hemodynamic effects of fluid bolus therapy with crystalloids vs. 4% albumin and vs. 20% albumin in patients after cardiac surgery
Heart & Lung ( IF 2.8 ) Pub Date : 2021-08-14 , DOI: 10.1016/j.hrtlng.2021.07.014
Fumitaka Yanase 1 , Salvatore L Cutuli 2 , Thummaporn Naorungroj 3 , Laurent Bitker 4 , Anthony Wilson 5 , Glenn M Eastwood 5 , Rinaldo Bellomo 6
Affiliation  

Background: Crystalloids, 4% albumin and 20% albumin are used for fluid bolus therapy (FBT) in patients after cardiac surgery. However, their detailed early (30 min) hemodynamic effects remain unstudied.

Methods: In a comparative prospective observational trial of 120 ventilated, we studied post cardiac surgery patients who received crystalloid 500 ml FBT, 4% albumin 500 ml FBT or 20% albumin 100 ml FBT (40 per group). We recorded second-by-second hemodynamic parameters and 15-minutely cardiac index (CI) data before and for 30 min after FBT. We compared the crystalloid group (reference) vs. the 4% albumin group, and vs. the 20% albumin group.

Results: Immediately after FBT, the mean (standard deviation) CI increase was 0.4 (0.4) L/min/m2 with crystalloids, 0.4 (0.5) L/min/m2 with 4% albumin and 0.3 (0.4) L/min/m2 with 20% albumin, despite the much smaller FBT volume with 20% albumin. Mean arterial pressure (MAP) increase was 11 (10), 12 (9) and 9 (6) mm Hg, respectively. There was no group effect or interaction for changes in CI. However, there were time-group interactions for MAP changes such that crystalloid FBT had faster MAP reduction than 4% (p<0.001) or 20% albumin (p < 0.001). Moreover, patients treated with crystalloid FBT showed a faster decline in central venous pressure, perfusion pressure than the two groups. Finally, 20% albumin attenuated the fall in temperature induced by FBT.

Conclusion: In postoperative cardiac surgery patients, after a similar initial CI and MAP response, the MAP effect of crystalloid FBT dissipates faster than that of 4% or 20% albumin FBT. These findings can be used to inform clinical practice.



中文翻译:

心脏手术后患者使用晶体液与 4% 白蛋白和 20% 白蛋白的液体推注疗法的血流动力学效应比较

背景:晶体、4% 白蛋白和 20% 白蛋白用于心脏手术后患者的液体推注疗法 (FBT)。然而,其详细的早期(30 分钟)血流动力学影响仍未得到研究。

方法:在一项对 120 名通气患者的前瞻性比较观察性试验中,我们研究了接受 500 ml FBT 晶体液、4% 白蛋白 500 ml FBT 或 20% 白蛋白 100 ml FBT 的心脏手术后患者(每组 40 名)。我们记录了 FBT 前后 30 分钟的逐秒血液动力学参数和 15 分钟心脏指数 (CI) 数据。我们比较了晶体组(参考)与 4% 白蛋白组和 20% 白蛋白组。

结果: FBT 后立即平均(标准偏差)CI 增加为 0.4 (0.4) L/min/m 2使用晶体,0.4 (0.5) L/min/m 2使用 4% 白蛋白和 0.3 (0.4) L/min /m 2与 20% 白蛋白,尽管 FBT 体积与 20% 白蛋白小得多。平均动脉压 (MAP) 增加分别为 11 (10)、12 (9) 和 9 (6) mm Hg。CI 的变化没有群体效应或相互作用。然而,MAP 变化存在时间组相互作用,因此晶体 FBT 的 MAP 降低速度比 4% ( p <0.001) 或 20% 白蛋白 ( p < 0.001)。此外,与两组相比,接受晶体 FBT 治疗的患者中心静脉压、灌注压下降速度更快。最后,20% 的白蛋白减弱了 FBT 引起的温度下降。

结论:在术后心脏手术患者中,在初始 CI 和 MAP 反应相似后,晶体 FBT 的 MAP 效应消散速度快于 4% 或 20% 白蛋白 FBT。这些发现可用于为临床实践提供信息。

更新日期:2021-08-15
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