Abstract
Background
Elderly people are exposed to an increased load of stressful events and neuro-hormonal stimulation is a key finding in metabolic syndrome and its related disorders.
Aims
To determine the role of cortisol in elderly subjects, with or without metabolic syndrome (MetS), by means of a national multicentre observational study, AGICO (AGIng and Cortisol).
Methods
From 2012 to 2017, the AGICO study enrolled n.339 subjects (aged > 65), after obtaining their informed consent. The investigators assessed a cardio-metabolic panel (including electrocardiogram, carotid ultrasonography and echocardiography), the presence of MetS (on Adult Treatment Panel III criteria), a neurological examination (including brain imaging), and cortisol activity (using a consecutive collection of diurnal and nocturnal urine).
Results
In the patients presenting with MetS, the standardized diurnal and nocturnal cortisol excretion rates were 210.7 ± 145.5 and 173.7 ± 118.1 (mean ± standard deviation) μg/g creatinine/12 h; in those without MetS, the standardized diurnal and nocturnal cortisol excretion rates were 188.7 ± 92.7 and 144.1 ± 82.3 μg/g creatinine/12 h, respectively (nocturnal urinary cortisol in patients with MetS versus those without MetS p = 0.05, female patients with MetS vs female patients without MetS, p < 0.025). A significant positive correlation was found between the CRP levels and both the diurnal and nocturnal urinary cortisol levels with r = 0.187 (p < 0.025) and r = 0.411 (p < 0.00000001), respectively.
Discussion
The elderly patients with MetS showed a trend towards increased standardized nocturnal cortisol excretions, with particular regard to the female subjects.
Conclusion
The positive correlation between cortisol excretion and low-grade inflammation suggests a common mechanism driving both hormonal and inflammatory changes.
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AGICO Study Investigators
Paolo Falaschi, Antonio Martocchia, Manuela Stefanelli, Lavinia Toussan, Francesca Pastore, Stefano Eleuteri, Giulia Maria Falaschi (Geriatric Unit, S. Andrea Hospital, Sapienza University of Rome); Antonella Proietti, Rosaria D’Urso, Letizia Petricca, Patrizia Cardelli (Department of Clinical and Molecular Medicine, Laboratory Medicine Unit, S. Andrea Hospital, Sapienza University of Rome); Maurizio Gallucci, Maria Grazia Oddo (Cognitive Impairment Centre, Local Health Autority n.2 Marca Trevigiana, Treviso, Italy, Centro per i Disturbi Cognitivi e le Demenze, Azienda ULSS2 Marca Trevigiana); Stefania Maggi, Marianna Noale (National Research Council, Neuroscience Institute, Padova); Demetrio Postacchini, Cinzia Giuli, Ilenia Macchiati, Monica Migale, Francesca Sorvillo, Roberto Brunelli, Monia Francavilla, Silvia Santini (Geriatric Unit, Italian National Research Centre on Aging IRCCS-INRCA, Fermo, Italy); Luciano Marini, Elpidio Santillo, Luca Fallavollita (Geriatric-Rehabilitative Department, Italian National Research Centre on Aging IRCCS-INRCA, Fermo, Italy); Maurizio Cassol, Sara Rotunno (Internal Medicine Unit, S. Pietro Fatebenefratelli Hospital, Rome); Giuseppe Paolisso, Michelangela Barbieri, Edith Angellotti (Department of Advanced Medical and Surgical Sciences, University of Campania “L. Vanvitelli”, Naples); Claudio Ferri, Valeria Ludovici, Paola Cheli, Rita Del Pinto (Division of Internal Medicine & Nephrology, Cardiometabolic Prevention Unit and School of Internal Medicine, University of L’Aquila - San Salvatore Hospital); Giovambattista Desideri (University of L’Aquila); Mario Barbagallo, Ligia J. Dominguez, Giovanna Di Bella, Valentino Culotta (Geriatric Unit, Department of Internal Medicine and Geriatrics, University of Palermo).
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Martocchia, A., Gallucci, M., Noale, M. et al. The cortisol burden in elderly subjects with metabolic syndrome and its association with low-grade inflammation. Aging Clin Exp Res 32, 1309–1315 (2020). https://doi.org/10.1007/s40520-019-01322-3
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DOI: https://doi.org/10.1007/s40520-019-01322-3