Erythrocyte agglomeration and survival studies in citrate-phosphate-dextrose (CPD) units

N. Meyerstein; D. Mazor; A. Dvilansky

doi:10.1007/BF01008450

Erythrocyte agglomeration and survival studies in citrate-phosphate-dextrose (CPD) units

N. Meyerstein, D. Mazor, A. Dvilansky

Physiology and Cell Biology

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

We have previously reported increased tendency to agglomeration in CPD-stored erythrocytes. In the present study we investigated the deterioration pattern of fresh units, as detected by agglomeration, free hemoglobin levels, ATP levels, osmotic fragility, and certain enzymatic activities. When the negative test was converted to a positive one, the 24-h survival values of these units were determined by autotransfusion. A positive agglomeration occurred while viability was still above 70%. Fresh units had high ATP levels and negative agglomeration while old units had low ATP levels and positive agglomeration. However, in intermediate-storage units, no definite correlation between ATP and agglomeration was found. Agglomeration seems to reflect the degree of changes in stored erythrocytes. However, further studies are needed before this test may serve for prediction of post-transfusion viability.

Original language	English
Pages (from-to)	211-216
Number of pages	6
Journal	Blut
Volume	39
Issue number	3
DOIs	https://doi.org/10.1007/BF01008450
State	Published - 1 Jan 1979

Keywords

Blood preservation
Erythrocyte aging

ASJC Scopus subject areas

Hematology

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abstract = "We have previously reported increased tendency to agglomeration in CPD-stored erythrocytes. In the present study we investigated the deterioration pattern of fresh units, as detected by agglomeration, free hemoglobin levels, ATP levels, osmotic fragility, and certain enzymatic activities. When the negative test was converted to a positive one, the 24-h survival values of these units were determined by autotransfusion. A positive agglomeration occurred while viability was still above 70%. Fresh units had high ATP levels and negative agglomeration while old units had low ATP levels and positive agglomeration. However, in intermediate-storage units, no definite correlation between ATP and agglomeration was found. Agglomeration seems to reflect the degree of changes in stored erythrocytes. However, further studies are needed before this test may serve for prediction of post-transfusion viability.",

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N2 - We have previously reported increased tendency to agglomeration in CPD-stored erythrocytes. In the present study we investigated the deterioration pattern of fresh units, as detected by agglomeration, free hemoglobin levels, ATP levels, osmotic fragility, and certain enzymatic activities. When the negative test was converted to a positive one, the 24-h survival values of these units were determined by autotransfusion. A positive agglomeration occurred while viability was still above 70%. Fresh units had high ATP levels and negative agglomeration while old units had low ATP levels and positive agglomeration. However, in intermediate-storage units, no definite correlation between ATP and agglomeration was found. Agglomeration seems to reflect the degree of changes in stored erythrocytes. However, further studies are needed before this test may serve for prediction of post-transfusion viability.

AB - We have previously reported increased tendency to agglomeration in CPD-stored erythrocytes. In the present study we investigated the deterioration pattern of fresh units, as detected by agglomeration, free hemoglobin levels, ATP levels, osmotic fragility, and certain enzymatic activities. When the negative test was converted to a positive one, the 24-h survival values of these units were determined by autotransfusion. A positive agglomeration occurred while viability was still above 70%. Fresh units had high ATP levels and negative agglomeration while old units had low ATP levels and positive agglomeration. However, in intermediate-storage units, no definite correlation between ATP and agglomeration was found. Agglomeration seems to reflect the degree of changes in stored erythrocytes. However, further studies are needed before this test may serve for prediction of post-transfusion viability.

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Erythrocyte agglomeration and survival studies in citrate-phosphate-dextrose (CPD) units

Abstract

Keywords

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