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Hyperthyroidism and pulmonary hypertension

R Thurnheer1, R Jenni, E W Russi

  • 1Department of Internal Medicine, University Hospital Zürich, Switzerland.

Journal of Internal Medicine
|August 1, 1997
PubMed
Summary
This summary is machine-generated.

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This study identified four patients with hyperthyroidism and pulmonary hypertension. Treatment of hyperthyroidism reversed pulmonary hypertension, suggesting a link between these conditions.

Area of Science:

  • Cardiology
  • Endocrinology
  • Pulmonology

Background:

  • Pulmonary hypertension (PH) is a serious condition with various underlying causes.
  • Hyperthyroidism, a condition of excess thyroid hormone, can affect multiple organ systems.
  • The relationship between hyperthyroidism and PH requires further investigation.

Observation:

  • This study retrospectively identified four patients with both hyperthyroidism and pulmonary hypertension.
  • Patients presented with elevated systolic pulmonary artery pressures (PAPs) averaging 40 +/- 11 mmHg.
  • The patients were treated for their hyperthyroid state, normalizing thyroid hormone levels.

Findings:

  • Following treatment for hyperthyroidism, pulmonary arterial pressure significantly decreased in all patients.

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  • Post-treatment PAPs averaged 25 +/- 6 mmHg, indicating reversibility of the pulmonary hypertension.
  • Echocardiography confirmed the reduction in pulmonary artery pressures after successful hyperthyroid treatment.

    • Implications:

    • The findings suggest a potential pathogenetic link between hyperthyroidism and the development of pulmonary hypertension.
    • Reversibility of PH after hyperthyroid treatment highlights the importance of considering thyroid status in PH patients.
    • Further research is warranted to elucidate the mechanisms underlying this association and its clinical significance.