Journal of perinatal medicine · 2013
The course of angiogenic factors in early- vs. late-onset preeclampsia and HELLP syndrome.
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Schaarschmidt Wiebke, Rana Sarosh, Stepan Holger
Аннотация
AIMS: Preeclampsia (PE) is considered a uniformly progressive disease, however, it shows a different pattern of clinical progression in patients with early (<34 weeks) or late (≥ 34 weeks) onset of the disease. Angiogenic factors such as soluble fms-like tyrosine kinase 1 (sFlt-1) and placental growth factor (PlGF) are closely related to the clinical course of PE. We evaluated sFlt-1 and PlGF levels in the clinical course of PE in women admitted with a diagnosis of PE at different gestational ages.
METHODS: This retrospective study included 34 patients with PE, of which 11 patients had HELLP syndrome (over a period of 3 years). Serial measurements of sFlt-1 and PlGF were completed from admission until delivery. Values are presented as mean ± standard deviation.
RESULTS: Mean gestational age of admission among women with early onset PE was significantly lower, at 29 ± 3 weeks compared to 37±1 weeks among patients with late onset disease. Mean prolongation of pregnancy was 6 days, which was similar within the two groups. Compared to women with late onset PE, women with early-onset PE had a greater increase in sFlt-1 (11% vs. 3% per day, P<0.05), greater decrease in PlGF levels (21% vs. 10% per day, P=0.30), resulting in a much higher increase in sFlt-1/PlGF ratio (23% vs. 8% per day, P<0.05). Patients with HELLP syndrome showed comparable progression patterns.
CONCLUSION: In a similar way to the progressively worsening clinical course observed in women with early onset PE, there were changes in the angiogenic profile that leads to a more anti-angiogenic state in these women with each passing day. These findings may have implications in identification of the women for appropriate patient management and possible future therapies based on the reduction of sFlt-1 levels.
METHODS: This retrospective study included 34 patients with PE, of which 11 patients had HELLP syndrome (over a period of 3 years). Serial measurements of sFlt-1 and PlGF were completed from admission until delivery. Values are presented as mean ± standard deviation.
RESULTS: Mean gestational age of admission among women with early onset PE was significantly lower, at 29 ± 3 weeks compared to 37±1 weeks among patients with late onset disease. Mean prolongation of pregnancy was 6 days, which was similar within the two groups. Compared to women with late onset PE, women with early-onset PE had a greater increase in sFlt-1 (11% vs. 3% per day, P<0.05), greater decrease in PlGF levels (21% vs. 10% per day, P=0.30), resulting in a much higher increase in sFlt-1/PlGF ratio (23% vs. 8% per day, P<0.05). Patients with HELLP syndrome showed comparable progression patterns.
CONCLUSION: In a similar way to the progressively worsening clinical course observed in women with early onset PE, there were changes in the angiogenic profile that leads to a more anti-angiogenic state in these women with each passing day. These findings may have implications in identification of the women for appropriate patient management and possible future therapies based on the reduction of sFlt-1 levels.