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The medical information on this site is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes. This information is not intended to be patient education, does not create any patient-physician relationship, and should not be used as a substitute for professional diagnosis and treatment.
Hyperaldosteronism, familial, type III
Overview
This form of hyperaldosteronism is characterized by hypertension secondary to massive adrenal mineralocorticoid production. Like patients with glucocorticoid-remediable aldosteronism (GRA, or FH I; {103900}), patients with FH III present with childhood hypertension, elevated aldosteronism levels, and high levels of the hybrid steroids 18-oxocortisol and 18-hydroxycortisol. However, hypertension and aldosteronism in FH III are not reversed by administration of exogenous glucocorticoids and patients require adrenalectomy to control hypertension ({4:Geller et al., 2008}).
Reviews
{7:Mulatero et al. (2013)} reviewed the role of KCNJ5 in adrenal pathophysiology and provided an overview of the clinical and biochemical phenotypes resulting from KCNJ5 mutations in patients with sporadic and familial primary aldosteronism. The authors stated that the prevalence of FH III appeared to be 7% of patients with familial aldosteronism and 0.3% of all cases of primary hyperaldosteronism. In addition, they noted that the total prevalence of reported KCNJ5 mutations in aldosterone-producing adrenal adenomas (APAs) was 40%. Source: Online Mendelian Inheritance in Man
Trusted Medical Sites
Genetic & Rare Diseases Information Center (GARD)
GARD provides the public with access to current, reliable, and easy-to-understand information about rare or genetic diseases in English or Spanish.
Support Organizations
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Disease Resources
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The Progeria Handbook; A Guide for Families and Health Care Providers of Children with Progeria.
This 100-page handbook helps answer many questions for children with Progeria about how to optimize quality of life through daily care and medical treatment. Contains basic health facts,daily care recommendations and extensive treatment guidelines.
AAMDSIF Online Academy (webinars)
200+ FREE webinars for patients, families and caregivers about rare blood cancers and bone marrow failure diseases.
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Disease Information
Descriptions of various rare blood cancers and bone marrow failure diseases.