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Related Experiment Videos

Effects of electroconvulsive therapy (ECT) on thyroid function parameters.

E Taubøll1, L Gjerstad, K T Stokke

  • 1Department of Neurology, Rikshospitalet, University of Oslo, Norway.

Psychoneuroendocrinology
|January 1, 1987
PubMed
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Electroconvulsive therapy (ECT) significantly increases prolactin and thyroid-stimulating hormone (TSH) levels shortly after treatment in patients with affective disorders. ECT also causes a slight decrease in triiodothyronine, impacting thyroid hormone levels during treatment.

Area of Science:

  • Neuroendocrinology
  • Psychiatry
  • Pharmacology

Background:

  • Affective disorders are often treated with electroconvulsive therapy (ECT).
  • ECT's impact on endocrine function, particularly thyroid hormones and pituitary hormones, requires further elucidation.
  • Understanding these hormonal changes is crucial for managing treatment side effects and efficacy.

Purpose of the Study:

  • To investigate the acute effects of ECT on serum concentrations of thyroxine, triiodothyronine, thyroid-stimulating hormone (TSH), and prolactin.
  • To determine the temporal dynamics of these hormonal changes following ECT administration.

Main Methods:

  • Serum hormone levels were measured in 10 patients with affective disorders undergoing ECT.
  • Blood samples were collected at multiple time points: -15 min, 0, +30 min, +60 min, and +3 hr relative to ECT.

Related Experiment Videos

  • Concentrations of thyroxine, triiodothyronine, TSH, and prolactin were quantified using standard assays.

    • Main Results:

    • A significant increase in serum prolactin and TSH was observed at 30 minutes post-ECT.
    • A small but significant decrease in triiodothyronine was noted in all post-ECT samples.
    • Serum thyroxine concentrations showed no significant change after ECT.

    Conclusions:

    • ECT acutely alters pituitary hormone secretion, evidenced by increased prolactin and TSH.
    • The observed decrease in triiodothyronine suggests a potential transient impact on thyroid hormone metabolism or release.
    • The TSH increase may be linked to an anti-dopaminergic effect of ECT at the hypothalamic-pituitary level.