Activators and inhibitors of coagulation and fibrinolysis in patients with prostatic cancer treated with oestrogen or orchidectomy.

Abstract:

:The treatment of prostatic cancer with oestrogen has been reported to be associated with cardiovascular side effects. Twenty patients with recently diagnosed prostatic cancer were randomly allocated to oestrogen therapy or orchidectomy. As compared to healthy age matched controls the patients with prostatic cancer had increased base-line levels of fibrinogen (5.2 +/- 1.9 g/l versus 3.7 +/- 1.0 g/l; p less than 0.002) and factor VIII:C (166 +/- 62% versus 110 +/- 29%; p less than 0.001). During oestrogen therapy factor VII increased from 99 +/- 22% to 150 +/- 47% (p less than 0.001), while the antithrombin III level fell from 93 +/- 10% to 81 +/- 13% (p less than 0.001). Both these changes are in the direction of a hypercoaguable state. Concomitantly plasminogen increased from 113 +/- 14% to 142 +/- 18% (p less than 0.001), urokinase inhibiting activity fell from 105 +/- 10% to 90 +/- 9% (p less than 0.001) and C1-esterase inhibitor fell from 110 +/- 17% to 86 +/- 22% (p less than 0.05) in the oestrogen therapy group. After orchidectomy there were no changes in the activators and inhibitors of coagulation and fibrinolysis studied as compared to base-line values. Furthermore the D dimer, a specific degradation product of crosslinked fibrin increased from a normal to a pathological value in 4 out of 8 tested patients after 6 weeks of oestrogen therapy, but in none out of 9 tested patients in the orchidectomy group. Briefly stated, patients with prostatic cancer treated with oestrogen have increased levels of factor VII, factor VIII:C and fibrinogen and a decreased level of antithrombin III.(ABSTRACT TRUNCATED AT 250 WORDS)

journal_name

Thromb Res

journal_title

Thrombosis research

authors

Henriksson P,Blombäck M,Bratt G,Edhag O,Eriksson A

doi

10.1016/0049-3848(86)90024-1

subject

Has Abstract

pub_date

1986-12-15 00:00:00

pages

783-91

issue

6

eissn

0049-3848

issn

1879-2472

pii

0049-3848(86)90024-1

journal_volume

44

pub_type

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