Background: Cognitive frailty and abdominal obesity are deemed to be important targets for disease prevention. However, a possible cardiometabolic multimorbidity (CMM) link with cognitive frailty and abdominal obesity is unknown. The aim of this study was to investigate the association of cognitive frailty and abdominal obesity with CMM in the middle-aged and older people.
Methods: The sample comprised 11,503 participants aged 45 and over from the China Health and Retirement Longitudinal Study (CHARLS) 2011. Cognitive frailty was defined as the coexisting cognitive impairment and physical frailty. Abdominal obesity was assessed using waist circumference. CMM was defined as the presence of two or more cardiometabolic diseases (CMDs), including diabetes, heart disease, and stroke. A total of 9177 participants without CMM recruited from CHARLS 2011 and were followed up in 2018.
Results: Compared with 0 CMD, coexisting cognitive frailty and abdominal obesity was associated with the risk of 1 CMD (OR: 1.734, 95 % CI: 1.133-2.655), and ≥ 2 CMDs (OR: 7.218, 95%CI: 3.216-16.198). Longitudinal analysis showed that individuals with both cognitive frailty and abdominal obesity (HR: 2.162, 95%CI: 1.032-4.531) were more likely to have new onset CMM than cognitive frailty alone peers (HR: 1.667, 95 % CI: 0.721-3.853). Among the participants with first CMD, the likelihood of CMM was substantially higher in the co-existence of cognitive frailty and abdominal obesity (HR: 3.073, 95%CI: 1.254-7.527) than in the abdominal obesity alone (HR: 1.708, 95%CI: 1.201-2.427). Cognitive frailty alone was not significantly associated with CMM.
Conclusion: Cognitive frailty is not independently associated with the risk of CMM, but cognitive frailty and abdominal obesity together has a greater risk of CMM.
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http://dx.doi.org/10.1016/j.jad.2023.08.067 | DOI Listing |
J Cachexia Sarcopenia Muscle
February 2025
Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, Madrid, Spain.
Background: Despite muscle power derived from the 5-rep sit-to-stand (STS) test having been demonstrated to be a valuable biomarker in older individuals, there is limited information regarding muscle power derived from the 30-s STS test, a widely used test in the clinical setting. This study aimed (i) to compare relative 30-s STS power values between older men and women, (ii) to identify cut-off points for low relative 30-s STS power, (iii) to compare the prevalence of low relative STS power between sexes and (iv) to evaluate the association of low relative 30-s STS power with adverse conditions in older people.
Methods: A total of 1475 community-dwelling older adults (65-98 years; 45% men) from the Toledo Study for Healthy Aging were included.
Alzheimers Dement
December 2024
Translational Gerontology Branch, National Institute on Aging, NIH, Baltimore, MD, USA
Background: The mitochondrial cascade hypothesis suggests that mitochondrial dysfunction plays an important role in the pathogenesis of Alzheimer’s disease dementia. Recent data have shown that mitochondrial DNA copy number (mtDNAcn) in human blood is associated with dementia risk and cognitive function, but which specific cognitive measures or domains are associated with mitochondrial dysfunction and whether this relationship is affected by health deterioration such as physical frailty or mitochondrial somatic mutations is not clear.
Methods: We measured mtDNAcn and heteroplasmies using fastMitoCalc and MitoCaller, respectively, from UK Biobank Whole Genome Sequencing (WGS) data at study entry (2006‐2010).
Alzheimers Dement
December 2024
Dementia Research Centre, UCL Queen Square Institute of Neurology, London, UK
Background: Parkinson’s (PD) is common and debilitating with over half of patients progressing to postural instability, dementia or death within 10 years. However, onset and rate of progression is highly variable, reflecting heterogeneity in underlying pathology, and biomarker studies to‐date have been limited to a single modality or assessed patients with established cognitive impairment.
Method: We assessed multimodal neuroimaging and plasma biomarkers in 98 PD patients (mean disease duration at baseline 4.
Alzheimers Dement
December 2024
Centre for Brain Research, Indian Institute of Science, Bangalore, Karnataka, India
Background: Physiological and mental functions decline as the person ages. However, studies have found that a group of people who are more than 80 years have better cognitive functioning than their peers and also similar to 2‐3 decades younger counterpart group. These people are termed as “Superagers”.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Kathmandu University School of Medical Sciences, DHULIKHEL, Bagmati, Nepal
Background: Frailty is significantly associated with incidence of Alzheimer’s disease and dementia and death . The worldwide incidence of frailty and pre frailty was estimated as 43.4 and 150.
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