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  • Author: Davi A Oliveira Simões x
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Vanderlan O Batista Division of Psychiatry, Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil

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Michael Kellner Department of Psychiatry and Psychotherapy, University Hospital Hamburg-Eppendorf, Hamburg, Germany and Technical University of Munich, Munich, Germany

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Roberto Salvatori Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA

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Walter Lisboa Department of Psychology, Federal University of Sergipe, São Cristovão, Sergipe, Brazil

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André Faro Postgraduate Program in Psychology, Federal University of Sergipe, São Cristovão, Sergipe, Brazil

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Lucas B Santos Division of Endocrinology, Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil

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Enaldo V Melo Statistics division, Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil

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Alécia A Oliveira-Santos Division of Endocrinology, Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil

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Carla R P Oliveira Division of Endocrinology, Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil

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Viviane C Campos Division of Endocrinology, Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil

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Cynthia S Barros-Oliveira Division of Endocrinology, Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil

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Elenilde G Santos Division of Endocrinology, Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil

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Nathalie O Santana Division of Endocrinology, Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil

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Keila R Villar-Gouy Division of Endocrinology, Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil

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Ângela C Leal Division of Endocrinology, Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil

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Rivia S Amorim Division of Geriatrics, Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil

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Davi A Oliveira Simões Division of Endocrinology, Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil

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Manuel H Aguiar-Oliveira Division of Endocrinology, Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil

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Individuals with untreated isolated GH deficiency (IGHD) due to a mutation in the GHRH receptor gene from Itabaianinha Brazil have increased insulin sensitivity, normal life expectancy, and an extended health span, i.e. the period of life free from disabilities. We hypothesize that their prolonged health span is accompanied by a delayed cognitive decline in senescence. To test this hypothesis, we have administered the Literacy-Independent Cognitive Assessment (LICA) to 15 IGHD individuals aged over 50 years and 15 controls matched by age, sex, years of education, and percentage of illiteracy. All individuals were negative for HIV and syphilis serology, and there were no differences in serum levels of folate, vitamin B12 and TSH between the two groups, while free T4 was higher in the IGHD group. IGHD subjects had a higher total LICA score than controls, 215 (22.7) vs 204.2 (18.1), without reaching statistical significance. Scores of memory, visuoconstruction, language and calculation were similar between the two groups, with better attention (9.5 (1.4) vs 8.3 (1.1), P = 0.01) and executive function (38.3 (4.8) vs 35.1 (2.5), P = 0.03) scores in IGHD. MANCOVA revealed that group (but no age) had a significant effect on the LICA variables (partial eta squared of 0.455, power of 0.812, P = 0.02). This effect is verified on attention (partial eta squared 0.216, power of 0.749, P = 0.01) and executive function (partial eta squared 0.154, power of 0.570, P = 0.03. In conclusion, IGHD in senescence is associated with similar total cognitive performance but better attention and executive function than controls.

Article Type:
Research Article
Collections:
Pituitary and Hypothalamus
DOI:
https://doi.org/10.1530/EC-23-0401
Volume/Issue:
Volume 13: Issue 1
Open access