Aggregazione piastrinica e resistenza allo shock osmotico di concentrati piastrinici ottenuti mediante separatore cellulare a flusso discontinuo con la tecnica "surge pump".

Translated title of the contribution: Platelet aggregation and resistance to osmotic shock of platelet concentrates obtained by discontinuous-flow cell separation with the surge pump technic

P. Longoni, D. Rota Scalabrini, G. Cascone, C. Veroni, A. Lo Faro

Research output: Contribution to journalArticle

Abstract

We studied the ultrastructural morphology and function of platelets collected by apheresis procedure with discontinuous flow using the Surge Pump Technique. The platelet concentrates obtained by this technique are free of erythrocyte and lymphocyte contamination. The platelet morphology as well as the platelet aggregation induced by ADP, adrenaline and collagen of platelet concentrates were similar to those observed in PRP before the apheresis. The response to the hypotonic shock of platelet concentrates was also normal, indicating membrane integrity and good platelet metabolism. These results show that platelet concentrates obtained by the Surge Pump Technique maintain their haemostatic effects and may be infused in thrombocitopenic patients, reducing the risk of alloimmunization related to the presence of erythrocytes and lymphocytes.

Original languageItalian
Pages (from-to)649-655
Number of pages7
JournalBollettino della Societa Italiana di Biologia Sperimentale
Volume60
Issue number3
Publication statusPublished - Mar 30 1984

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Cell Separation
Osmotic Pressure
Platelet Aggregation
Blood Platelets
Blood Component Removal
Erythrocytes
Lymphocytes
Hemostatics
Adenosine Diphosphate
Epinephrine
Collagen
Membranes

ASJC Scopus subject areas

  • Medicine(all)

Cite this

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abstract = "We studied the ultrastructural morphology and function of platelets collected by apheresis procedure with discontinuous flow using the Surge Pump Technique. The platelet concentrates obtained by this technique are free of erythrocyte and lymphocyte contamination. The platelet morphology as well as the platelet aggregation induced by ADP, adrenaline and collagen of platelet concentrates were similar to those observed in PRP before the apheresis. The response to the hypotonic shock of platelet concentrates was also normal, indicating membrane integrity and good platelet metabolism. These results show that platelet concentrates obtained by the Surge Pump Technique maintain their haemostatic effects and may be infused in thrombocitopenic patients, reducing the risk of alloimmunization related to the presence of erythrocytes and lymphocytes.",
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AU - Longoni, P.

AU - Rota Scalabrini, D.

AU - Cascone, G.

AU - Veroni, C.

AU - Lo Faro, A.

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N2 - We studied the ultrastructural morphology and function of platelets collected by apheresis procedure with discontinuous flow using the Surge Pump Technique. The platelet concentrates obtained by this technique are free of erythrocyte and lymphocyte contamination. The platelet morphology as well as the platelet aggregation induced by ADP, adrenaline and collagen of platelet concentrates were similar to those observed in PRP before the apheresis. The response to the hypotonic shock of platelet concentrates was also normal, indicating membrane integrity and good platelet metabolism. These results show that platelet concentrates obtained by the Surge Pump Technique maintain their haemostatic effects and may be infused in thrombocitopenic patients, reducing the risk of alloimmunization related to the presence of erythrocytes and lymphocytes.

AB - We studied the ultrastructural morphology and function of platelets collected by apheresis procedure with discontinuous flow using the Surge Pump Technique. The platelet concentrates obtained by this technique are free of erythrocyte and lymphocyte contamination. The platelet morphology as well as the platelet aggregation induced by ADP, adrenaline and collagen of platelet concentrates were similar to those observed in PRP before the apheresis. The response to the hypotonic shock of platelet concentrates was also normal, indicating membrane integrity and good platelet metabolism. These results show that platelet concentrates obtained by the Surge Pump Technique maintain their haemostatic effects and may be infused in thrombocitopenic patients, reducing the risk of alloimmunization related to the presence of erythrocytes and lymphocytes.

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