Related Experiment Video

Updated: Jul 16, 2026

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents
06:15

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

Published on: July 10, 2017

Cardiovascular consequences of cortisol excess

Judith A Whitworth1, Paula M Williamson, George Mangos

  • 1John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia. director@jcsmr.anu.edu.au

Vascular Health and Risk Management
|February 24, 2007
PubMed

Insights

Cushing

Area of Science:

  • Endocrinology and Cardiovascular Medicine

Background:

  • Cushing's syndrome results from cortisol oversecretion, leading to significant cardiovascular disease.
  • Cardiovascular complications persist even after treatment, posing a major health risk.

Purpose of the Study:

  • To analyze the link between cortisol excess and cardiovascular risk factors.
  • To explore mechanisms of hypertension in Cushing's syndrome.

Main Methods:

  • Review of existing literature on cortisol, blood pressure, and related parameters.
  • Analysis of studies correlating cortisol levels with cardiovascular risk factors.
  • Examination of short-term cortisol administration effects in healthy men.

Main Results:

  • Cortisol excess is associated with hypertension, obesity, and metabolic disturbances.
  • Tissue-level cortisol influences cardiovascular risk factors.
  • Short-term cortisol increases blood pressure in healthy individuals.

Conclusions:

  • Cortisol excess significantly contributes to cardiovascular morbidity and mortality.
  • Understanding cortisol's role is crucial for managing cardiovascular risks in Cushing's syndrome.

Related Concept Videos

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...
Adrenal Gland Disorders01:27

Adrenal Gland Disorders

Adrenal gland disorders manifest when the production of adrenal hormones deviates from the norm, resulting in either excessive or insufficient concentrations.
Adrenal insufficiency, characterized by insufficient cortisol and aldosterone production, leads to conditions like Addison's disease. This disorder, affecting the adrenal cortex, exhibits symptoms such as skin bronzing, dehydration, low blood pressure, fatigue, and weight loss. Congenital adrenal hyperplasia, a genetic ailment causing...
Cushing Syndrome II: Pathophysiology01:19

Cushing Syndrome II: Pathophysiology

Cortisol production is normally governed by the hypothalamic–pituitary–adrenal (HPA) axis, which maintains hormonal balance through tightly regulated feedback mechanisms. Disruption of this regulatory system is central to the development of Cushing syndrome, whether the excess cortisol originates from external medications or internal pathology. Persistent cortisol elevation alters metabolism, immune function, and endocrine signaling, producing the characteristic clinical features of the...
Cushing Syndrome I: Introduction01:26

Cushing Syndrome I: Introduction

Cushing syndrome refers to the collection of clinical manifestations that arise when tissues are exposed to excessive amounts of cortisol or cortisol-like medications over an extended period. Cortisol, a glucocorticoid produced by the adrenal cortex, regulates metabolism, immune responses, and the body’s adaptation to stress. When its concentration remains chronically elevated, these physiological pathways become dysregulated, resulting in the characteristic features of the syndrome.Exogenous...
Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Hormones of the Adrenal Glands01:31

Hormones of the Adrenal Glands

Adrenal hormones play a pivotal role in maintaining the body's electrolyte balance and orchestrating responses to stress, showcasing the intricate functions of the adrenal cortex and medulla.
The adrenal cortex, a powerhouse of hormone synthesis, generates over two dozen corticosteroid hormones. The zona glomerulosa produces mineralocorticoids, exemplified by aldosterone, influencing the electrolyte composition of body fluids. The synthesis of glucocorticoids such as cortisol and corticosterone...