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[Parameters of thyroid gland function in acute myocardial infarct]
Lijecnicki Vjesnik
|August 1, 1997
Summary
Thyroid hormone levels, including triiodothyronine (T3) and thyroxine (T4), are altered in patients with acute myocardial infarction. These changes, particularly lower T3 and higher T4, resemble patterns seen in severe nonthyroidal illnesses.
Area of Science:
- Endocrinology
- Cardiology
- Internal Medicine
Context:
- Acute myocardial infarction (AMI) is a critical cardiovascular event.
- Thyroid dysfunction can impact cardiac function and patient outcomes.
- Nonthyroidal illness syndrome (NTIS) is characterized by altered thyroid hormone levels in severe illness.
Purpose:
- To investigate thyroid hormone profiles in patients with acute myocardial infarction.
- To compare thyroid hormone levels between AMI patients and a control group.
- To assess changes in thyroid hormones during hospitalization for AMI.
Summary:
- Thyroid hormone levels, including triiodothyronine (T3), free triiodothyronine (FT3), thyroxine (T4), free thyroxine (FT4), thyrotropin (TSH), and thyroxine-binding globulin (TBG), were measured in 31 AMI patients on days 1 and 10 of hospitalization.
- On day 1, AMI patients showed significantly lower T3, FT3, and TBG, and higher T4 and TSH compared to controls.
- On day 10, T3, FT3, and T4 remained significantly different from controls, while TBG increased and TSH decreased, nearing control levels.
Impact:
- Findings suggest that thyroid hormone alterations in AMI are consistent with NTIS.
- These results may aid in understanding the complex interplay between cardiac events and thyroid function.
- Further research could explore the clinical implications of these thyroid changes in AMI management.