F M Helmerhorst
Overview
Explore the profile of F M Helmerhorst including associated specialties, affiliations and a list of published articles.
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Articles
140
Citations
1358
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Recent Articles
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Raps M, Curvers J, Helmerhorst F, Ballieux B, Rosing J, Thomassen S, et al.
Thromb Res
. 2014 Jan;
133(4):640-4.
PMID: 24438944
Introduction: Use of combined hormonal contraceptives is associated with a three- to eight-fold increased risk of venous thrombosis compared with non-use. The thrombotic risk depends on the estrogen dose as...
3.
Raps M, Helmerhorst F, Fleischer K, van Hylckama Vlieg A, Van Hylckama V, Stegeman B, et al.
J Thromb Haemost
. 2012 Nov;
11(2):396-7.
PMID: 23176323
No abstract available.
4.
Roach R, Lijfering W, Helmerhorst F, Cannegieter S, Rosendaal F, van Hylckama Vlieg A
J Thromb Haemost
. 2012 Nov;
11(1):124-31.
PMID: 23136837
Background: Oral contraception (OC) and postmenopausal hormone therapy (HT) can be used to alleviate menopausal symptoms. However, the risk of venous thrombosis (VT) associated with OC use in women over...
5.
Stegeman B, Raps M, Helmerhorst F, Vos H, van Vliet H, Rosendaal F, et al.
J Thromb Haemost
. 2012 Nov;
11(1):203-5.
PMID: 23122048
No abstract available.
6.
Stegeman B, Helmerhorst F, Vos H, Rosendaal F, van Hylckama Vlieg A
J Thromb Haemost
. 2012 Aug;
10(10):2061-7.
PMID: 22882730
Background: Oral contraceptive use increases the risk of venous thrombosis as well as sex hormone-binding globulin (SHBG) levels. Furthermore, increased SHBG levels are positively associated with activated protein C (APC)...
7.
van Leeuwen F, Klip H, Mooij T, van de Swaluw A, Lambalk C, Kortman M, et al.
Hum Reprod
. 2011 Oct;
26(12):3456-65.
PMID: 22031719
Background: Long-term effects of ovarian stimulation for IVF on the risk of ovarian malignancies are unknown. Methods: We identified a nationwide historic cohort of 19,146 women who received IVF treatment...
8.
de Groot P, Dekkers O, Romijn J, Dieben S, Helmerhorst F
Hum Reprod Update
. 2011 Feb;
17(4):495-500.
PMID: 21335359
Background: Patients with polycystic ovary syndrome (PCOS) are at risk of arterial disease. We examined the risk of (non)fatal coronary heart disease (CHD) or stroke in patients with PCOS and...
9.
Christiansen S, Lijfering W, Helmerhorst F, Rosendaal F, Cannegieter S
J Thromb Haemost
. 2010 Aug;
8(10):2159-68.
PMID: 20738758
Unlabelled: Background: The risk of recurrent venous thrombosis is higher in men than in women, and this is so far unexplained. We set out to determine the influence of age,...
10.
van Hylckama Vlieg A, Helmerhorst F, Vandenbroucke J, Doggen C, Rosendaal F
BMJ
. 2009 Aug;
339:b2921.
PMID: 19679614
Objective: To assess the thrombotic risk associated with oral contraceptive use with a focus on dose of oestrogen and type of progestogen of oral contraceptives available in the Netherlands. Design:...