第三季度心血管功能和妊娠高血压疾病的风险
Frederikke Lihme1, Saima Basit1, Lisa G Persson1,2
1Department of Epidemiology Research Statens Serum Institut Copenhagen Denmark.
Journal of the American Heart Association
|October 11, 2024
概括
低心力输出 (CO) 与怀孕妇女的孕前风险有关,特别是在37周之前. 在第三个三个月内监测心血管功能可能有助于识别有风险的没有胎儿生长限制 (FGR) 的女性.
科学领域:
- 怀孕期间的心血管生理学
- 怀孕期间的高血压疾病.
背景情况:
- 在没有胎儿生长限制 (FGR) 的妇女中,心血管功能障碍和孕前之间的关联仍然不清楚.
- 孕前是影响孕妇的严重疾病,其特征是高血压.
研究的目的:
- 调查第三季度心脏输出 (CO) 和全身血管抵抗 (SVR) 与怀孕高血压疾病风险之间的关联.
- 为了确定心血管功能障碍是否预测FGR和没有FGR的女性的孕前.
主要方法:
- 一项涉及丹麦906名孕妇的案例和队列研究.
- 使用超声波心脏输出监测器1A.重复评估第三个三个月的心血管功能.
- 考克斯回归分析以基于CO和SVR水平的高血压疾病的比率进行比较,按FGR状态分层.
主要成果:
- 在37周之前,低CO与孕产前有很强的关联,无论是有或没有FGR的女性.
- 在没有FGR的妇女中,CO的第三季度下降与孕前有关.
- 高SVR与所有妊娠高血压疾病的增加率密切相关.
结论:
- 低心力输出是孕前的重要危险因素,特别是在早期的早产妊娠中.
- 监测第三季度心血管功能可能有助于识别没有FGR的需要更密切的孕前监测的妇女.
- 需要进一步的研究来证实这些发现在不同的人群中.
相关概念视频
01:30Hypertension III: Clinical Manifestations and Diagnostic Studies
3
Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
3
01:31Adrenergic Antagonists: ɑ and β-Receptor Blockers
414
Third-generation β-blockers, such as labetalol and carvedilol, represent a significant advancement in managing cardiovascular conditions. Unlike conventional β-blockers, which can induce peripheral vasoconstriction, third-generation drugs block α1 adrenoceptors. This promotes vasodilation through several mechanisms, such as increased nitric oxide production, inhibition of calcium ion entry, opening of potassium ion channels, and antioxidant action. Labetalol, for instance, is...
414
01:14Fetal Circulation
831
Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
831
01:19Mitral Valve Prolapse III: Nursing Management
5
The nursing management of Mitral Valve Prolapse, or MVP, centers around patient education, symptom monitoring, and lifestyle modifications.Patient Education on MVP Diagnosis and Heredity: Nurses should provide comprehensive education about MVP, a condition where the mitral valve does not close appropriately during heartbeats. This education often includes the condition's pathophysiology, symptoms, and potential complications, like arrhythmias or mitral regurgitation. Though not fully...
5
01:33Hormonal Regulation
33.0K
The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
33.0K
01:29Cardiomyopathy III: Hypertrophic Cardiomyopathy
1
Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
1