Prolongation of bleeding time and inhibition of platelet aggregation by low-dose acetylsalicylic acid in patients with cerebrovascular disease. | Zendy

Gudrun Boysen | Zendy; Anders Boss | Zendy; Niels Ødum | Zendy; Jørgen Olsen | Zendy

Open Access

Prolongation of bleeding time and inhibition of platelet aggregation by low-dose acetylsalicylic acid in patients with cerebrovascular disease.

Author(s) -

Gudrun Boysen,

Anders Boss,

Niels Ødum,

Jørgen Olsen

Publication year - 1984

Publication title -

stroke

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.397

H-Index - 319

eISSN - 1524-4628

pISSN - 0039-2499

DOI - 10.1161/01.str.15.2.241

Subject(s) - medicine , bleeding time , platelet , placebo , aspirin , platelet aggregation , in vivo , stroke (engine) , anesthesia , pharmacology , gastroenterology , pathology , mechanical engineering , alternative medicine , microbiology and biotechnology , engineering , biology

Platelet aggregation and bleeding time was measured in 43 cerebrovascular patients participating in a controlled double-blind study of low-dose acetylsalicylic acid. In 19 patients with satisfactory inhibition of the platelet aggregation obtained by 50 to 70 mg acetylsalicylic acid per day the bleeding time averaged 11.2 minutes in contrast to 7.0 minutes in the placebo group, p less than 0.001. This study confirms our previous findings of platelet inhibition by low-dose acetylsalicylic acid in patients with cerebrovascular disease. The prolongation of the bleeding time demonstrates that we are dealing not merely with an in vitro phenomenon but with a significant in vivo effect. The study provides the rationale for clinical evaluations of low-dose acetylsalicylic acid in stroke prophylaxis.

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