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[The acromegalic heart disease (author's transl)]
Insights
Acromegalic heart disease involves myocardial damage, leading to cardiac hypertrophy and heart failure. This condition may stem from growth hormone (GH) effects and potential depletion of intramyocardial catecholamines.
Area of Science:
- Cardiology
- Endocrinology
- Pathology
Background:
- Acromegaly, a disorder caused by excess growth hormone (GH), can lead to significant cardiovascular complications.
- Cardiac involvement in acromegaly, known as acromegalic heart disease, is a serious manifestation requiring thorough investigation.
Observation:
- This report details the clinical and pathological findings in three patients diagnosed with acromegalic heart disease.
- In two of the cases, no alternative causes for the cardiomyopathy were identified, suggesting primary myocardial involvement.
Findings:
- Growth hormone (GH) is implicated as the causative factor for cardiac hypertrophy in the absence of external overload.
- This GH-induced hypertrophy may progress to congestive heart failure.
Implications:
- The findings suggest a direct role of GH in the pathogenesis of acromegalic heart disease.
- A potential depletion of intramyocardial catecholamines is postulated, similar to other forms of cardiomegaly, contributing to disease progression.
Abstract:
The clinical and pathological findings of 3 patients with acromegalic heart disease are reported. In 2 of them no other causes of the cardiopathy could be recognized but a primitive involvement of the myocardium. The GH is responsible of cardiac hypertrophy without overload, which would shift towards progressive congestive heart failure. A possible depletion of intramyocardial cathecolamines is postulated in acromegalic heart disease as much as in cardiomegalies with pressure or volume overload.