Enhancement of spontaneous fibrinolytic activity in diabetic retinopathy.

Abstract:

:The fibrinolytic system was studied in 96 patients with type I diabetes mellitus. Patients were grouped according to their degree of retinopathy; 38 patients with no evidence of retinopathy, 28 patients with background retinopathy and 30 patients with proliferative retinopathy. Thirty healthy individuals served as controls. The basal fibrinolytic activity as measured by clot lysis time and t-PA activity was increased in diabetic patients. This was associated with low levels of plasminogen activator inhibitor. Increased levels of D-dimer in diabetic patients further indicate enhanced in vivo fibrinolysis. The increase in fibrinolytic activity was highest in diabetics without retinopathy, and decreased with increasing retinopathy. Endothelial release of t-PA after venous occlusion was not different between controls and all diabetic groups. These findings suggest that in type I diabetics the fibrinolytic system is in an activated state. With worsening of retinopathy this increase in fibrinolytic activity diminishes.

journal_name

Thromb Haemost

authors

Ostermann H,Tschöpe D,Greber W,Meyer-Rüsenberg HW,van de Loo J

keywords:

subject

Has Abstract

pub_date

1992-10-05 00:00:00

pages

400-3

issue

4

eissn

0340-6245

issn

2567-689X

journal_volume

68

pub_type

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