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|Title:||Efficacy and safety of 20% albumin fluid loading in healthy subjects: A comparison of four resuscitation fluids|
|Citation:||Journal of Applied Physiology, 2019; 126(6):1646-1660|
|Publisher:||American Physiological Society|
|Shailesh Bihari, Ubbo F Wiersema, Rebecca Perry, David Schembri, Tara Bouchier, Dani Dixon, Teresa Wong, and Andrew D Bersten|
|Abstract:||Recently, buffered salt solutions and 20% albumin (small volume resuscitation) have been advocated as an alternative fluid for intravenous resuscitation. The relative comparative efficacy and potential adverse effects of these solutions have not been evaluated. In a randomized, double blind, cross-over study of six healthy male subjects we compared the pulmonary and hemodynamic effects of intravenous administration of 30 ml/kg of 0.9% saline, Hartmann’s solution and 4% albumin, and 6 ml/kg of 20% albumin (albumin dose equivalent). Lung tests (spirometry, ultrasound, impulse oscillometry, diffusion capacity, and plethysmography), two- to three-dimensional Doppler echocardiography, carotid applanation tonometry, blood gases, serum/urine markers of endothelial, and kidney injury were measured before and after each fluid bolus. Data were analyzed with repeated measures ANOVA with effect of fluid type examined as an interaction. Crystalloids caused lung edema [increase in ultrasound B line (P = 0.006) and airway resistance (P = 0.009)], but evidence of lung injury [increased angiopoietin-2 (P = 0.019)] and glycocalyx injury [increased syndecan (P = 0.026)] was only observed with 0.9% saline. The colloids caused greater left atrial stretch, decrease in lung volumes, and increase in diffusion capacity than the crystalloids, but without pulmonary edema. Stroke work increased proportionally to increase in preload with all four fluids (R2 = 0.71). There was a greater increase in cardiac output and stroke volume after colloid administration, associated with a reduction in afterload. Hartmann’s solution did not significantly alter ventricular performance. Markers of kidney injury were not affected by any of the fluids administrated. Bolus administration of 20% albumin is both effective and safe in healthy subjects.|
|Keywords:||4% albumin; 20% albumin; echocardiography; Hartmann’s solution; healthy volunteers; pulmonary function test; 0.9% saline, stroke volume; stroke work|
|Rights:||Copyright © 2019 the American Physiological Society|
|Appears in Collections:||Physics publications|
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