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相关概念视频

Pre-Procedural Guidelines for Assessing Blood Pressure01:10

Pre-Procedural Guidelines for Assessing Blood Pressure

Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the patient.
Measurement of Blood Pressure01:17

Measurement of Blood Pressure

Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a stethoscope.
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

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...
Acute Coronary Syndrome V: Nursing Management01:26

Acute Coronary Syndrome V: Nursing Management

Nursing Assessment:Nursing management of acute coronary syndrome (ACS) involves taking the patient's history, focusing on primary complaints such as chest pain, dyspnea, and excessive sweating (diaphoresis), as well as other symptoms like back or jaw pain, nausea, vomiting, palpitations, dizziness, and fatigue. The nurse also reviews the patient's history of cardiac events, risk factors such as hypertension, diabetes, smoking, family history, and current medications.In the objective assessment,...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
Psychoneuroimmunology: Cardiovascular Disease01:27

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...

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相关实验视频

Updated: May 8, 2026

Ultrasound Based Assessment of Coronary Artery Flow and Coronary Flow Reserve Using the Pressure Overload Model in Mice
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根据稳定冠状动脉疾病患者的缩和腹缩血压,心血管事件发生率和死亡率:国际队列研究

Emmanuelle Vidal-Petiot1, Ian Ford2, Nicola Greenlaw2

  • 1Cardiology and Physiology Departments, Département Hospitalo-Universitaire FIRE, Assistance Publique-Hôpitaux de Paris, Hôpital Bichat, Paris, France; Paris Diderot University, Sorbonne Paris Cité, Paris, France; Inserm U1149, Paris, France.

Lancet (London, England)
|September 4, 2016
PubMed
概括

在冠状动脉疾病和高血压患者中,低静脉血压 (< 120 mmHg) 和低静脉血压 (< 70 mmHg) 都会增加心血管风险. 这种J曲线现象强调了需要谨慎控制血压的必要性.

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科学领域:

  • 心脏病学
  • 高血压研究
  • 临床结果

背景情况:

  • 在冠状动脉疾病 (CAD) 的高血压患者中,最佳的血压目标是有争议的,因为人们担心心脏的输液减少过于激烈的降低.
  • 现有的指导方针缺乏明确的目标,因此需要对该群体的血压值和心血管事件风险进行进一步的研究.

研究的目的:

  • 在被诊断为冠状动脉疾病和高血压的患者中,研究血压水平与心血管结果之间的关联.
  • 确定是否存在J曲线现象,其中高血压和过低血压读数都与不良事件的增加有关.

主要方法:

  • 分析了来自CLARIFY注册表的22,672名冠状动脉疾病和高血压患者的数据.
  • 压缩压和压缩压的平均值被分为10mmHg的增量.
  • 用多变量调整的考克斯比例危险模型来估计危险比率,以120 - 129 mmHg的静脉压和70 - 79 mmHg的静脉压为参考组.

主要成果:

  • 静脉血压≥140mmHg和静脉血压≥80mmHg都与心血管事件的更高风险有关.
  • 静脉血压<120 mmHg显示主要综合结果的风险增加 (调整后的HR为1. 56).
  • 透气血压< 70 mmHg 也与风险增加有关 (调整后HR为 1. 41 的 60-69 mmHg,为 2. 01 的 < 60 mmHg).

结论:

  • 在患有心血管疾病的高血压患者中,血压水平低于120/ 70mmHg与不良心血管结果,包括死亡率有关.
  • 这些发现支持J曲线关系,表明过低的血压构成重大风险.
  • 建议在患有冠状动脉疾病的患者实施降血压疗法时谨慎使用,以避免潜在的伤害.