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Related Experiment Videos

[Hypertension and Cushing's disease].

J P Luton, G Vidal-Trecan, F Mouveroux

    Annales De Medecine Interne
    |January 1, 1983
    PubMed
    Summary

    Hypertension is common in Cushing's disease, linked to elevated cortisol and renin-angiotensin-aldosterone system activity. While treatment often improves blood pressure, some patients experience persistent hypertension.

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    Area of Science:

    • Endocrinology
    • Cardiovascular Medicine
    • Internal Medicine

    Context:

    • Cushing's disease, a condition characterized by excessive cortisol production, frequently co-occurs with hypertension.
    • Over two-thirds of patients with Cushing's disease experience elevated blood pressure.

    Purpose:

    • To investigate the incidence, effects, biological profile, and prognosis of hypertension in patients with Cushing's syndrome.
    • To specifically examine the role of the renin-angiotensin-aldosterone system in Cushing's-related hypertension.

    Summary:

    • Analysis of 155 Cushing's syndrome patients revealed hypertension is prevalent.
    • Elevated serum angiotensin correlated positively with serum cortisol. Aldosterone response to stimuli was abnormal, and plasma renin activity remained stable over 24 hours.
    • The exact mechanisms of hypercortisolism-induced hypertension are complex, involving mineralocorticoid-like effects, permissive actions on pressor substances, and increased angiotensin secretion.

    Impact:

    • Understanding the physiopathogenesis of hypertension in Cushing's disease is crucial for effective management.
    • While hypertension often resolves after Cushing's disease treatment, a significant minority of patients (one-third) may have persistent high blood pressure.
    • This study highlights the intricate relationship between cortisol, the renin-angiotensin-aldosterone system, and hypertension in Cushing's syndrome, informing prognosis and treatment strategies.

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