alexa 24-hour thyroid-stimulating hormone secretory pattern in elderly men.
Pharmaceutical Sciences

Pharmaceutical Sciences

Advances in Pharmacoepidemiology and Drug Safety

Author(s): Barreca T, Franceschini R, Messina V, Bottaro L, Rolandi E

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Abstract A chronobiological study was carried out in 10 elderly male subjects (78-83 years) to evaluate the 24-hour thyroid-stimulating hormone (TSH) secretory pattern. 10 young adult males (26-35 years) made up the control group. Hourly blood samples were drawn from each subject for a 24-hour period. TSH levels in elderly subjects showed blunted circadian fluctuations compared to those seen in young adult subjects. Mean 24-hour TSH values in elderly (3.1 +/- 0.3 microU/ml) and young adult subjects (3.5 +/- 0.1 microU/ml) did not differ statistically, but nighttime TSH values observed in elderly subjects (3.2 +/- 0.3 microU/ml) were lower (p less than 0.05) than those recorded in young adults (4.1 +/- 0.1 microU/ml).
This article was published in Gerontology and referenced in Advances in Pharmacoepidemiology and Drug Safety

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