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Cardiac complications in juvenile hyperthyroidism
Insights
Hyperthyroid patients can experience unusual heart problems like murmurs and enlarged hearts. Severe cardiac issues in hyperthyroidism are linked to prolonged illness due to poor medication adherence.
Area of Science:
- Cardiology
- Endocrinology
Background:
- Hyperthyroidism, a condition of excess thyroid hormones, can affect multiple organ systems.
- Cardiac manifestations are known complications of hyperthyroidism, but specific patterns require further elucidation.
Purpose of the Study:
- To investigate the spectrum of cardiac manifestations in hyperthyroid patients.
- To identify factors associated with severe and persistent cardiac complications.
Main Methods:
- Retrospective analysis of 21 hyperthyroid patients.
- Clinical data review focusing on cardiac findings and treatment compliance.
Main Results:
- Seven out of 21 hyperthyroid patients exhibited cardiac abnormalities.
- Observed manifestations included transient apical systolic murmurs, persistent cardiomegaly, and combined persistent murmurs with cardiomegaly.
- Two patients with persistent findings developed mitral regurgitation and congestive heart failure.
Conclusions:
- Cardiac complications in hyperthyroidism can be diverse, ranging from transient murmurs to severe heart failure.
- Prolonged hyperthyroidism, often due to non-compliance with antithyroid drugs, is associated with severe, persistent cardiac issues.
Abstract:
During a retrospective study, we discovered unusual cardiac manifestations in seven of 21 hyperthyroid patients. Three patients had a transient apical systolic murmur, one had persistent cardiomegaly, and the remaining three had persistent apical systolic murmurs and cardiomegaly; mitral regurgitation and congestive heart failure developed in two of these three patients. Severe, persistent cardiac complications occurred only in patients who had prolonged hyperthyroidism caused by poor compliance with antithyroid drug treatment.