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Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

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Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
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Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

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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...
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Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

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Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
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Hypertension I: Introduction01:28

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Hypertension is a widespread, long-term medical condition where blood pressure in the arteries remains elevated. It is characterized by systolic blood pressure readings of 130 mm Hg or above or diastolic blood pressure (DBP) readings of 80 mm Hg or higher. Unmanaged hypertension poses significant health risks, making the distinction between primary (or essential) hypertension and secondary hypertension crucial, as their management and implications vary.Primary HypertensionPrimary hypertension,...
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Disorders of the Autonomic Nervous System01:18

Disorders of the Autonomic Nervous System

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The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
Raynaud's disease, also known as Raynaud's...
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Psychoneuroimmunology: Cardiovascular Disease01:27

Psychoneuroimmunology: Cardiovascular Disease

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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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Related Experiment Video

Updated: Jul 17, 2025

Isolation and Adoptive Transfer of High Salt Treated Antigen-presenting Dendritic Cells
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Isolation and Adoptive Transfer of High Salt Treated Antigen-presenting Dendritic Cells

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A new immune disease: systemic hypertension.

Sidar Copur1, Ibrahim B Peltek1, Ali Mutlu1

  • 1Department of Medicine, Koc University School of Medicine, Istanbul, Turkey.

Clinical Kidney Journal
|September 4, 2023
PubMed
Summary

Systemic hypertension, a common global comorbidity, affects millions. Emerging research suggests the immune system plays a role in hypertension, offering potential new therapeutic targets for treatment-resistant cases.

Keywords:
autoimmune diseasehypertensionimmune systemimmunosuppressiontherapeutics

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Area of Science:

  • Cardiovascular Medicine
  • Immunology
  • Nephrology

Background:

  • Systemic hypertension is a prevalent global health issue with severe associated outcomes.
  • Treatment-resistant hypertension affects approximately 20% of adult patients, highlighting unmet therapeutic needs.
  • Recent pre-clinical research implicates the immune system in hypertension's pathophysiology.

Purpose of the Study:

  • To explore the role of the immune system in systemic hypertension.
  • To investigate potential therapeutic targets within the immune system for hypertension management.
  • To assess the applicability of pre-clinical findings to human subjects.

Main Methods:

  • Review of pre-clinical studies on immune system involvement in hypertension.
  • Analysis of data on immunosuppressant medications in hypertension control.
  • Evaluation of current research gaps regarding human applicability.

Main Results:

  • Pre-clinical studies demonstrate the involvement of innate and adaptive immunity, including specific cell types and cytokines, in hypertension.
  • Immunosuppressant medications have shown potential benefits in pre-clinical hypertension models.
  • Direct translation of these findings to human hypertension remains largely unconfirmed.

Conclusions:

  • The immune system is increasingly recognized as a key player in hypertension pathophysiology.
  • Targeting immune pathways presents a promising avenue for novel hypertension therapies.
  • Further research is crucial to validate these immune-based mechanisms and treatments in humans.