Abstract
We aimed to investigate the clinical effect of low molecular weight heparin (LMWH) combined with magnesium sulfate in patients with severe pre-eclampsia (PE). A total of 70 patients with severe PE admitted in Suzhou Kowloon Hospital, Shanghai Jiao Tong University School of Medicine, China from Jun 2020 to May 2021 were enrolled and randomized into observation and control groups. The control group was treated with magnesium sulfate only, and the observation group was treated with small-dose LMWH combined with magnesium sulfate. The clinical effects and artery blood flow index were analyzed. The observation group had higher coagulation function than that in the control group. RI, S/D, and PI in the observation group after treatment were lower than those in the control group, with statistically significant differences (P <0.05). In serum and placental tissues, both kininase expression and TGF-1 levels of the observation group were higher than those of the control group, with lower PAPP-A, VCAM-1 and E selectin levels than those in the control group. Small-dose LMWH combined with magnesium sulfate can promote the expression of endogenous kallikrein, weaken the infiltration of cytotrophoblast, and improve the maternal blood clotting state in patients with severe PE. It also improves placental microblood flow and effectively prolong pregnancy, promotes fetal growth, and improves the clinical effects.
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