2001
DOI: 10.1046/j.1537-2995.2001.41121515.x
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The effect of the transfusion of stored RBCs on intestinal microvascular oxygenation in the rat

Abstract: In contrast to that of fresh RBCs, the transfusion of stored RBCs did not restore the microcirculatory oxygenation, possibly because of impaired O(2) unloading, but, except for CPD-stored RBCs, the storage-induced changes were not enough to impair intestinal VO(2) and mesenteric venous pO(2).

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Cited by 100 publications
(69 citation statements)
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“…We measured RBC deformability using the laser-assisted optical rotational cell analyzer (LORCA) assay, in which RBCs are subjected to increasing shear stress over several minutes (45,46). Our prespecified major shear stress of interest was 3 Pa, a level that may be encountered in the microcirculation of humans (47)(48)(49). Deformability also decreased significantly over the 42-day storage period at 30 Pa, suggesting that the membrane defect induced by storage is pronounced enough to moderately resist the ability to deform even at a very high level of shear stress.…”
Section: H) P Values Represent Comparison Between Values In Rbcs Assmentioning
confidence: 99%
“…We measured RBC deformability using the laser-assisted optical rotational cell analyzer (LORCA) assay, in which RBCs are subjected to increasing shear stress over several minutes (45,46). Our prespecified major shear stress of interest was 3 Pa, a level that may be encountered in the microcirculation of humans (47)(48)(49). Deformability also decreased significantly over the 42-day storage period at 30 Pa, suggesting that the membrane defect induced by storage is pronounced enough to moderately resist the ability to deform even at a very high level of shear stress.…”
Section: H) P Values Represent Comparison Between Values In Rbcs Assmentioning
confidence: 99%
“…However, studies of blood transfusions in acute respiratory distress syndrome (ARDS), sepsis, and trauma have not shown any improvement in oxygen uptake (53)(54)(55)(56). This may be due to partially reversible biochemical and structural changes in stored blood, collectively termed the RBC storage lesion, which may inhibit oxygen unloading, normal capillary flux, and tissue oxygenation (57,58), particularly in the first 12-24 hours after transfusion, as for example in the regeneration of 2,3-DPG (59).…”
Section: Management Of Anemia In Critical Illness Blood Transfusionsmentioning
confidence: 99%
“…Red blood cells which stored for a period of time (28 days or longer) in the blood bank do not perform as fresh as fresh blood. They are fragile, nondistensible, depleted of 2, 3 diphosphoglycerate (DPG) and have a dramatically left-shifted oxy-hemoglobin dissociation curve [22,23]. Because the oxy-hemoglobin curve is so left-shifted in stored blood, it is attainable that bank blood may actually draw oxygen out of the tissues or microcirculation.…”
Section: Discussionmentioning
confidence: 99%