The hypertensive disorders of pregnancy complicate 5-10% of pregnancies. Of these disorders 70% are pregnancy related (preeclampsia-eclampsia and gestation hypertension) and 30 % are a pre-existing hypertensive condition (chronic hypertension). These disorders are associated with maternal and fetal complications and have a substantial economic impact. This review examined the pharmacological treatment of the hypertensive disorders of pregnancy. There is a general consensus that anti-hypertensive should be given with severe hypertension and this should be in the hospital. The value of antihypertensive drugs in pregnant women with mild hypertension continues to be an area of debate that the evidence is too scanty to securely evaluate the clinical benefits of treating mild hypertension during pregnancy. The choice of the antihypertensive agents depends on individual clinician preference, the specified maternal and foetal benefits and the reproductive complications (teratogenisity, fetotoxicity and neonatal toxicity) of each particular agent. There are unequivocal evidences that Magnesium sulphate is superior to other agents in reducing recurrent eclamptic seizures. There is a strong recent evidence recommended that magnesium sulphate should be considered for women with pre-eclampsia for whom there is concern about the risk of eclampsia.
Keywords: Hypertension, eclampsia, teratogenisity, fetotoxicity
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