献血和男性冠状动脉心脏病的风险
A Ascherio1, E B Rimm, E Giovannucci
1Department of Nutrition, Harvard School of Public Health, Boston, MA 02115, USA. alberto.ascherio@channing.harvard.edu
Circulation
|January 4, 2001
概括
通过献血减少身体的铁储量并没有降低冠状动脉心脏病 (CHD) 的风险. 这项研究发现,献血史与心肌梗塞或致死性心血管疾病事件之间没有关联.
科学领域:
- 心血管疾病流行病学
- 铁代谢和健康 铁代谢和健康
背景情况:
- 实验研究表明,过量的铁会促进动脉样硬化和缺血性心肌损伤.
- 关于铁储量和冠心病 (CHD) 风险的流行病学研究产生了不一致的结果.
研究的目的:
- 调查通过献血减少体内的铁储量是否与降低心脏病风险有关.
- 检查终身献血史与心肌梗塞和冠心病死亡率的发生率之间的关系.
主要方法:
- 1992年对38244名来自健康专业人员随访研究的男性进行前性研究,他们没有心血管疾病.
- 通过问卷评估献血的终身病史;对非致命的心肌梗塞和冠状动脉死亡的参与者进行了4年的跟踪.
- 分析了献血频率与心脏病风险之间的关联,并对潜在的混因素进行了调整.
主要成果:
- 献血与较低的血费里丁水平密切相关,这表明体内铁储量减少.
- 在终身献血人数和心肌梗塞或致命性心脏病风险之间没有发现显著的关联.
- 对最高献血类别的心肌梗塞的相对风险为1.2 (95% CI 0.8-1.8),经过调整后没有变化.
结论:
- 这些发现不支持这样的假设,即通过献血减少身体的铁储量会降低冠状动脉心脏病的风险.
- 可能需要进一步的研究,以充分阐明铁状况和心血管健康之间的复杂关系.
相关概念视频
Blood Transfusion and Agglutination
Blood transfusion is a therapeutic measure to restore the blood volume after extensive blood loss due to an accident or a medical procedure. Blood transfusion involves drawing a certain amount of blood from a suitable donor and infusing it into the recipient.
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
Blood Transfusion
Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
Coronary Artery Disease I: Introduction
Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
Coronary Artery Disease IV: Preventive Measures
Effective preventive measures for coronary artery disease (CAD) focus on controlling modifiable risk factors, including cholesterol abnormalities and lifestyle changes.Cholesterol ManagementFirst, the Mediterranean diet and the American Heart Association advocate for maintaining low-density lipoprotein (LDL) cholesterol levels below 100 mg/dL, with a more stringent recommendation of below 70 mg/dL for individuals at high risk. LDL cholesterol, often termed "bad cholesterol," can lead to the...
Psychoneuroimmunology: Cardiovascular Disease
Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
A key area of focus in PNI is the relationship between stress and coronary...


