Thromb Haemost 1978; 39(01): 223-229
DOI: 10.1055/s-0038-1646673
Original Article
Schattauer GmbH Stuttgart

Spontaneous Platelet Aggregation in Cerebrovascular Disease

J W Ten Cate
The Departments of Haematology and Neurology, University Hospital “Wilhelmina Gasthuis”, Amsterdam, The Netherlands
,
J Vos
The Departments of Haematology and Neurology, University Hospital “Wilhelmina Gasthuis”, Amsterdam, The Netherlands
,
H Oosterhuis
The Departments of Haematology and Neurology, University Hospital “Wilhelmina Gasthuis”, Amsterdam, The Netherlands
,
D Prenger
The Departments of Haematology and Neurology, University Hospital “Wilhelmina Gasthuis”, Amsterdam, The Netherlands
,
C S P Jenkins
The Departments of Haematology and Neurology, University Hospital “Wilhelmina Gasthuis”, Amsterdam, The Netherlands
› Institutsangaben
Weitere Informationen

Publikationsverlauf

Received 10. November 1976

Accepted 02. Juni 1977

Publikationsdatum:
12. Juli 2018 (online)

Summary

50 patients from a group of 130 patients with transient ischaemic attacks or cerebral infarction were found to demonstrate in vitro spontaneous platelet aggregation (SPA) while 80 normal subjects tested never showed this phenomenon.

The following additional findings point towards a possible platelet abnormality:

1. Platelets from 10 patients with SPA when isolated and resuspended in normal plasma still demonstrated SPA while isolated normal platelets resuspended in patient’s plasma did not.

2. Platelets demonstrating SPA showed an increased aggregation tendency upon incubation with ADP while normal platelets developed the expected refractory state.

SPA was found to be dependant upon the presence of divalent cations and could further be inhibited by phentolamine and adenosine. Aspirin effectively abolished SPA in 50 patients and relieved the clinical symptoms of patients with recurrent complaints of transient blindness and paraesthesia.

 
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