Related Experiment Video
Updated: Jun 27, 2026

In Vivo Real-Time Study of Drug Effects on Carotid Blood Flow in the Ovine Fetus
Published on: April 28, 2023
[Nifedipine antihypertensive treatment effects in pre-eclampsia]
Alex R De Souza1, Melania R Amorim, Aurélio R Costa
1Centro de Atenção à Mulher, Setor de Medicina Fetal, Instituto Materno Infantil Fernando Figueira, Recife, Brasil.
Insights
Antihypertensive treatment for pre-eclampsia is debated. Nifedipine, a calcium channel blocker, shows safety and effectiveness for severe hypertension during pregnancy, with benefits for the maternal-fetal binomial.
Area of Science:
- Obstetrics and Gynecology
- Cardiology
- Pharmacology
Context:
- Pre-eclampsia management remains controversial regarding antihypertensive treatment benefits.
- Established cardiovascular benefits exist for non-pregnant patients, but evidence in pre-eclampsia is limited.
- Various antihypertensive medications are available for use during pregnancy.
Purpose:
- To review the literature on antihypertensive treatment in pre-eclampsia, specifically evaluating nifedipine.
- To assess the safety, efficacy, and effectiveness of nifedipine in managing hypertension during pregnancy.
- To determine appropriate indications for antihypertensive therapy in pre-eclampsia.
Summary:
- Calcium channel blockers, like nifedipine, are considered second-line treatments.
- Recent research indicates nifedipine offers improved safety and effectiveness for the maternal-fetal dyad in hypertensive pregnancies.
- The review concludes that antihypertensive treatment should be reserved for severe and emergency hypertensive cases.
Impact:
- Nifedipine can be safely utilized for antihypertensive treatment in pregnant patients without significant complications.
- Provides evidence-based guidance for clinicians managing hypertension in pre-eclampsia.
- Contributes to optimizing maternal and fetal outcomes in pregnancies complicated by hypertension.
Abstract:
Literature analysis has been controversial about pre-eclampsia. It is known that not pregnant patients should be treated due cardiovascular benefits. However, the real benefits of antihypertensive treatment in pre-eclampsia were not demonstrated. Yet, there are many drugs that can be used for antihypertensive treatment in pregnancy. Calcium cannel blockers, particularly nifedipine, are used as a second line treatment. There are just a few evidences about nifedipine treatment in hypertension during pregnancy. Recently, researches were performed to evaluate the effects of nifedipine on maternal-fetal binomial, more safety, efficacy, and effectiveness were found using it. This literature review concludes that hypertension treatment only must be done in severe cases and emergency hypertensive. Therefore nifedipine can be used in antihypertensive treatment during pregnancy without serious complications.
Related Concept Videos
Adrenergic Antagonists: ɑ and β-Receptor Blockers
Antiarrhythmic Drugs: Class IV Agents as Calcium Channel Blockers
Verapamil, a calcium channel blocker, inhibits calcium movement across myocardial cell membranes and vascular smooth muscle. This results in the dilation of coronary and...
Antiepileptic Drugs: Potassium Channel Activators
Ezogabine has gained approval as an adjunctive treatment...
Antianginal Drugs: Nitrates and β-Blockers
Organic nitrates, such as nitroglycerin, play a pivotal role. Once metabolized, they liberate nitric oxide, a molecular marvel. Nitric oxide triggers guanylyl cyclase and augments cGMP production. This biochemical cascade orchestrates the relaxation of vascular smooth muscles, ushering in vasodilation and enhancing coronary blood flow. Administered...
Treatment for Pulmonary Arterial Hypertension: Receptor Tyrosine Kinase Inhibitors and Calcium Channel Blockers
TKIs, such as imatinib (Gleevec), are particularly effective in tackling the growth and mitogenic factors that become upregulated in PAH patients. These factors contribute to the...
Antianginal Drugs: Calcium Channel Blockers and Ranolazine
CCBs, a diverse class that includes dihydropyridines (nifedipine) and diphenylalkylamines (verapamil and diltiazem), exert their effect by blocking calcium channels in cardiac and smooth muscle cells. This...