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Related Concept Videos

Neural Regulation of Blood Pressure01:18

Neural Regulation of Blood Pressure

The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
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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...
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

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,...
Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

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...
Hypertension I: Introduction01:28

Hypertension I: Introduction

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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Mesenteric Artery Contraction and Relaxation Studies Using Automated Wire Myography
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Published on: September 22, 2011

Interoceptive awareness in essential hypertension.

Eleni Koroboki1, Nikolaos Zakopoulos, Efstathios Manios

  • 1Hypertensive center, Clinical Therapeutics, Alexandra Hospital, University of Athens, Athens, Greece. ekoromp@med.uoa.gr

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology
|July 17, 2010
PubMed
Summary

Essential hypertension patients show heightened interoceptive awareness, the ability to perceive bodily signals. This enhanced awareness may be linked to cardiovascular reactivity in early hypertension stages.

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Implantation of Combined Telemetric ECG and Blood Pressure Transmitters to Determine Spontaneous Baroreflex Sensitivity in Conscious Mice
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Published on: February 14, 2021

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Mesenteric Artery Contraction and Relaxation Studies Using Automated Wire Myography
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Implantation of Combined Telemetric ECG and Blood Pressure Transmitters to Determine Spontaneous Baroreflex Sensitivity in Conscious Mice
09:56

Implantation of Combined Telemetric ECG and Blood Pressure Transmitters to Determine Spontaneous Baroreflex Sensitivity in Conscious Mice

Published on: February 14, 2021

Area of Science:

  • Cardiology
  • Psychophysiology
  • Hypertension Research

Background:

  • Psychological factors are implicated in essential hypertension.
  • Interoception, the perception of internal bodily signals, is poorly understood in hypertension.

Purpose of the Study:

  • To assess interoceptive awareness in newly diagnosed, untreated essential hypertension patients.
  • To utilize ambulatory blood pressure monitoring (ABPM) for evaluating hypertension and interoception.

Main Methods:

  • Study included 50 untreated hypertensive patients and 31 normotensive controls, matched for sex, BMI, and smoking.
  • All participants underwent 24-hour ambulatory blood pressure monitoring (ABPM).
  • Cardiac interoceptive awareness was measured using a heartbeat detection task.

Main Results:

  • Hypertensive patients exhibited significantly higher office and 24-hour ambulatory blood pressure and heart rate compared to normotensives.
  • Increased interoceptive awareness was observed in hypertensive individuals versus controls.
  • Within the hypertensive group, higher interoceptive awareness correlated with elevated office BP and ambulatory HR.

Conclusions:

  • Interoceptive awareness may reflect enhanced cardiovascular reactivity in early-stage essential hypertension.
  • Findings suggest a potential role for interoception in hypertension pathophysiology.
  • Further prospective studies are warranted to establish causality.