Florentien Deirdre Olivia de Steenwinkel

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The prevalence of group B streptococcus (GBS) carriage varies strongly with geographical region. A study was done to determine the prevalence of GBS in women in Maputo, Mozambique. The method used was a rectovaginal swab which was taken from women between 35 and 37 weeks of pregnancy who visited the clinic for antenatal consultation. GBS was cultured from 2(More)
By using a device designed for counting blood cells, it is possible to measure the agglutination of polystyrene beads (0.8 mu) with accuracy and great sensitivity, the agglutination resulting in a reduction in the number of particles. The latter coated with antigen can be used for determining IgM or IgG antibodies e.g. human rheumatoid factor or rabbit(More)
BACKGROUND High rheumatoid arthritis (RA) disease activity during pregnancy is associated with a lower birth weight. Active RA is characterised by high circulating levels of cytokines, which can mediate placental growth and remodelling. OBJECTIVES To assess the influence of maternal serum cytokine levels on birth weight in RA pregnancy. METHODS This(More)
Glucocorticoids are given during pregnancy when rheumatoid arthritis (RA) is too active. It could lead to increased risk of cardiovascular diseases (CVD) and type 2 diabetes mellitus (T2DM) in the offspring. Elevated RA disease activity during pregnancy is associated with low birth weight and rapid post-natal growth. Both can negatively influence the body(More)
OBJECTIVE Prednisone use and active disease are associated with reduced bone mineral density (BMD) in patients with rheumatoid arthritis (RA). Either or both of these factors may be inevitable during pregnancy in women with RA, but it is unknown whether they variables influence the BMD of the offspring. This study was undertaken to investigate whether(More)
OBJECTIVE Active rheumatoid arthritis (RA) during pregnancy and the presence of rheumatoid factor (RF) or anti-citrullinated protein antibodies (ACPAs) are associated with lower birth weight of the child. Moreover, treatment of the mothers with prednisone may shorten the gestational age at birth. Rapid catch-up in weight for length during the first year of(More)
OBJECTIVE Pregnant women suffering from autoimmune disease use glucocorticoids. Glucocorticoids can partly diffuse to the foetus and may influence the development of the foetal hypothalamic-pituitary-adrenal axis, especially in early stage of pregnancy. The objective was to investigate whether prednisone exposure in utero influences the cortisol levels of(More)
Haemophilia B is a congenital X-linked recessive bleeding disorder, which results from a defect in the factor IX (FIX) gene (F9). The defective gene leads to decreased or absent levels of FIX, resulting in an increased bleeding tendency. Haemophilia B Leyden is a phenotype, which is characterized by low plasma levels of FIX at birth and increasing levels(More)
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