Oral Contraceptives and Thrombosis

Superior mesenteric vein thrombosis and oral contraceptives.

Women taking oral contraceptives have an increased risk of developing deep vein thrombosis and pulmonary embolism (Inman & Vessey 1968). The incidence of superficial vein thrombosis is increased (Royal College of General Practitioners, 1967), and idiopathic cerebral vein thrombosis may occur in these patients (Atkinson, Fairburn & Heathfield, 1970). It might be expected therefore that the visce...

[Third generation oral contraceptives and risk of venous thrombosis].

OBJECTIVE To evaluate quantitatively articles that compared effects of second and third generation oral contraceptives on risk of venous thrombosis. DESIGN Meta-analysis. STUDIES Cohort and case-control studies assessing risk of venous thromboembolism among women using oral contraceptives before October 1995. MAIN OUTCOME MEASURES Pooled adjusted odds ratios calculated by a general varian...

Oral contraceptives and thrombosis. From risk estimates to health impact.

OBJECTIVE The scientific debate on oral contraceptives (OCs) and thrombotic diseases continues unabated. The aim of this survey was to evaluate available scientific data on OCs and thrombotic diseases and to make tentative prescription recommendations of OCs to women with and without various thrombotic risk factors. CONSENSUS In women 15-29 years old, venous thromboembolism is about twice as ...

Oral contraceptives and the risk of venous thrombosis.

Cerebral Venous Thrombosis in Patients Using Oral Contraceptives

Cerebral venous thrombosis is a relatively rare, however life-threatening condition. Current studies show that around 10% of the patients die. Earlier works proved that most of the thromboses originated secondarily, as a consequence of local or systemic infection, more than 30% of the cases were considered to be idiopathic. More recent studies also mention other risk factors, which may contribu...