在男性和女性之间,心血管重塑的机制不同
Susana Novella1, Eva Gerdts2, Georgios Kararigas3
1Department of Physiology, Faculty of Medicine and Dentistry, University of Valencia-INCLIVA Biomedical Research Institute, Valencia, Spain.
概括
性差异显著影响心血管疾病 (CVD). 研究强调了生物性别对氨酸-血管酶-氨系统等途径的影响,这对于开发基于性别的心血管疾病护理至关重要.
科学领域:
- 心血管医学 心血管医学
- 生物学中的性别差异
- 分子心脏病学分子心脏病学
背景情况:
- 心血管疾病 (CVD) 是全球主要的死亡原因.
- 在心血管疾病的表现,进展,结果和治疗反应方面存在显著的基于性别的差异.
- 绝经前妇女表现出心脏保护,而绝经后心脏保护减弱,涉及雌激素等性激素.
研究的目的:
- 阐明影响心血管疾病的生物性别特定途径.
- 探索性如何影响氨酸- ангиотензин- алдостерон系统,氧化应激,炎症,内皮功能,微RNA调节和细胞死亡.
- 在心血管保健中倡导性别和性别知情的方法.
主要方法:
- 审查和阐明有关心血管疾病性别偏差机制的现有文献.
- 分析包括氨酸 - ангиотензин - 阿尔多斯特系统,氧化应激,炎症,内皮功能,微RNA调节和细胞死亡等途径.
- 专注于生物性差异,而不是性别.
主要成果:
- 生物性别显著调节关键的心血管路径.
- 氨酸- ангиотензин- алдостерон系统活性,氧化应激反应,炎症,内皮功能,microRNA调节和细胞死亡的差异有助于性别偏差的心血管疾病进展.
- 建议雌激素的保护作用,但需要在性别特定的背景下进一步调查.
结论:
- 对性别偏差机制的更多研究对于进一步了解心血管疾病至关重要.
- 制定基于性别和性别的指导方针对于公平有效的心血管保健至关重要.
- 解决心血管疾病中的性别差异可以改善患者的治疗结果和个性化治疗策略.
相关概念视频
01:29Heart Failure II: Pathophysiology
51
Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
51
01:17Pathophysiology of Heart Failure
1.9K
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
1.9K
01:27Regulation of the Cardiovascular System
1.9K
The regulation of the cardiovascular system allows the body to adapt to various demands and maintain homeostasis.
The regulation of the cardiovascular system involves the autonomic nervous system (ANS), baroreceptors, and chemoreceptors, ensuring that heart rate and blood pressure are appropriately modulated in response to varying physiological demands.
The ANS comprises two main divisions: the sympathetic and parasympathetic nervous systems. The sympathetic nervous system enhances...
The regulation of the cardiovascular system involves the autonomic nervous system (ANS), baroreceptors, and chemoreceptors, ensuring that heart rate and blood pressure are appropriately modulated in response to varying physiological demands.
The ANS comprises two main divisions: the sympathetic and parasympathetic nervous systems. The sympathetic nervous system enhances...
1.9K
01:26Imbalances in Cardiac Output
1.5K
The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
1.5K
01:29Pathophysiology of Cardiac Performance
813
Typical heart performance is influenced by heart rate, rhythm, myocardial contraction, and metabolism or blood flow. The cardiac muscle exhibits distinct electrophysiological features, including pacemaker activity and calcium channel control, which play a vital role in the heart's response to various drugs. The autonomic nervous system, comprising the sympathetic and parasympathetic branches, regulates heart rate. Sympathetic activation increases heart rate, while parasympathetic activation...
813
01:26Coronary Artery Disease II: Pathophysiology
40
Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
40