ArticleCureus2024
Thyroid Functions and Cognitive Decline in the Elderly.
Article in Cureus, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed.
- Prevalence and risk factors of cognitive impairment among geriatric patients at Prince Sultan Military Hospital, Taif, Saudi Arabia.Journal of family medicine and primary care · 2026Article
- Cortical thinning in subclinical hypothyroidism: structural and functional brain changes underlying cognitive impairment.BMC endocrine disorders · 2026Article
- Cognitive Assessment in Adults With Adrenal Cortisol Insufficiency: Challenges and Opportunities.Endocrine reviews · 2026Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background The maintenance of cognitive health depends on thyroid hormones, and it is becoming more widely acknowledged that thyroid hormone issues may be a factor in cognitive decline in the aged. Objective This study aimed to investigate the association between thyroid hormone levels and cognitive decline among elderly individuals, considering the influence of age-related factors and comorbidities. Methodology Over the course of two years, 218 adults 60 years of age and older with clinically diagnosed hypothyroidism or subclinical thyroid disease were included in a prospective observational research. Serum levels of thyroid-stimulating hormone (TSH), free thyroxine (T4), and free triiodothyronine (T3) were measured at baseline and at 6, 12, 18, and 24-month intervals to evaluate thyroid function. The Mini-Mental State Examination (MMSE) and the Montreal Cognitive Assessment (MoCA) were used to assess cognitive function at the same intervals. Factors linked to cognitive deterioration were identified using multivariate regression analysis. Results The study found that TSH levels decreased from 3.20 ± 1.82 µIU/mL at baseline to 2.80 ± 1.51 by 24 months (p < 0.001), while free T4 levels increased from 13.50 ± 2.53 pmol/L to 14.20 ± 2.52 pmol/L (p = 0.020). Cognitive scores declined significantly, with MMSE scores dropping from 23.27 ± 4.64 to 21.80 ± 4.89 (p = 0.005) and MoCA scores from 21.20 ± 5.11 to 20.03 ± 5.51 (p = 0.012). Conclusion The results show a strong correlation between thyroid malfunction and cognitive loss in the elderly, emphasizing the need to closely monitor thyroid function to maintain cognitive function in this population.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.