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[Cerebral low T3 syndrome]
Zhurnal Voprosy Neirokhirurgii Imeni N. N. Burdenko
|March 1, 2003
Summary
Subarachnoid hemorrhage disrupts thyroid hormone levels, causing a "cerebral low T3 syndrome." This condition correlates with neurological severity, vasospasm, and poor outcomes in patients.
Area of Science:
- Neuroendocrinology
- Critical Care Medicine
Context:
- Subarachnoid hemorrhage (SAH) is a critical neurological emergency.
- Thyroid hormones play a vital role in brain function and metabolism.
- Patients with SAH often experience complex physiological disturbances.
Purpose:
- To investigate the changes in the cerebral thyronergic system and proinflammatory cytokines in patients with acute SAH.
- To correlate these changes with clinical condition, neurological severity, vasospasm, and patient outcomes.
Summary:
- This study analyzed thyroid hormones (T3, T4, TBG, TSH) and TNF-alpha in blood and CSF of 59 SAH patients.
- A significant depression of thyroid metabolism, termed
- cerebral low T3 syndrome
- was observed, particularly in patients with neurological deterioration.
- Decreased T3 and TSH levels correlated with neurological severity, vasospasm, and adverse outcomes.
- Elevated TNF-alpha showed negative correlations with thyroid hormone levels and neurological symptoms.
Impact:
- Identifies a specific neuroendocrine disorder,
- cerebral low T3 syndrome
- , associated with SAH.
- Highlights the link between thyroid dysfunction, inflammation, and neurological damage in SAH.
- Provides potential biomarkers for predicting SAH patient outcomes and guiding therapeutic strategies.