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Huang H, Yang B, Yu R, Ouyang W, Tong J, Le Y. Very high high-density lipoprotein cholesterol may be associated with higher risk of cognitive impairment in older adults. Nutr J 2024; 23:79. [PMID: 39020341 PMCID: PMC11253464 DOI: 10.1186/s12937-024-00983-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 07/10/2024] [Indexed: 07/19/2024] Open
Abstract
BACKGROUND Previous studies have shown that high-density lipoprotein cholesterol (HDL-C) levels are positively associated with cognitive function across a range of concentrations. However, recent studies have suggested that very high HDL-C levels may lead to poorer outcomes. Therefore, we aimed to investigate the relationship between different concentrations of HDL-C and cognitive impairment risk. METHODS We collected data from 3632 participants aged over 60 years from the U.S. National Health and Nutrition Examination Survey (NHANES) between 2011 and 2014 to assess the relationship between HDL-C and cognitive function. Cognitive function was evaluated with the Consortium to Establish a Registry for Alzheimer's Disease (CERAD) test, the animal fluency test (AFT), and the digit symbol substitution test (DSST). We used restricted cubic spline models and logistic regression to examine the association between HDL-C and cognitive function. RESULTS A U-shaped was observed between HDL-C and cognitive outcomes, individuals with higher risk in those with both low and very high HDL-C levels compared with those with midrange values. Very high HDL-C levels (≥ 2.50 mmol/L) were associated with increased risk of cognitive impairment (OR = 2.19; 95% CI, 1.12-4.28) compared with those with HDL-C levels in the range of 1.50 to 1.99 mmol/L in older adults after adjustment for confounding factors. Interaction test demonstrated that relationship between very high HDL-C and the risk of cognitive impairment was not changed in different sex and race group (P for interaction > 0.05). CONCLUSIONS Very high HDL-C levels were associated with an increased risk of cognitive impairment. HDL-C may not be a protective factor for maintaining brain health in older adults at very high levels.
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Affiliation(s)
- Huifan Huang
- Department of Anesthesiology, the First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
- Department of Anesthesiology, the Third Xiangya Hospital, Central South University, Changsha, China
| | - Bin Yang
- Department of Anesthesiology, the First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Renhe Yu
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Wen Ouyang
- Department of Anesthesiology, the Third Xiangya Hospital, Central South University, Changsha, China
- Hunan Province Key Laboratory of Brain Homeostasis, the Third Xiangya Hospital, Central South University, Changsha, China
| | - Jianbin Tong
- Department of Anesthesiology, the Third Xiangya Hospital, Central South University, Changsha, China
- Hunan Province Key Laboratory of Brain Homeostasis, the Third Xiangya Hospital, Central South University, Changsha, China
| | - Yuan Le
- Department of Anesthesiology, the Third Xiangya Hospital, Central South University, Changsha, China.
- Hunan Province Key Laboratory of Brain Homeostasis, the Third Xiangya Hospital, Central South University, Changsha, China.
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Václavík D, Pakizer D, Hrbáč T, Roubec M, Procházka V, Jonszta T, Herzig R, Školoudík D. Changes in Cognitive Functions after Carotid Endarterectomy and Carotid Stenting: A Decade-Apart Comparison. Biomedicines 2023; 12:13. [PMID: 38275374 PMCID: PMC10813376 DOI: 10.3390/biomedicines12010013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 11/28/2023] [Accepted: 12/10/2023] [Indexed: 01/27/2024] Open
Abstract
BACKGROUND This study investigates changes in cognitive function in patients with severe carotid stenosis who underwent carotid endarterectomy (CEA) and carotid stenting (CAS) over two decades. METHODS We compared cognitive function within 30 days after the procedure in 267 patients (first 100 each for CEA and CAS in two periods: 2008-2012 and 2018-2022) in a single institution. Assessments used Adenbrooke's Cognitive Examination-Revised (ACE-R), the Mini-Mental State Examination (MMSE), Speech Fluency Test (SFT), and Clock Drawing Test (CDT), conducted before and 30 ± 2 days after surgery. RESULTS Patients (mean age 67.2 years, 70%+ carotid stenosis) exhibited different cognitive changes over periods. In 2008-2012, significant declines in MMSE (CEA, p = 0.049) and CDT (CAS, p = 0.015) were observed among asymptomatic patients. On the contrary, in 2018-2022, improvements were observed in ACE-R and MMSE for symptomatic and asymptomatic patients undergoing CEA and CAS. CONCLUSION Over a decade, advances in interventional techniques and patient management have reduced risks of cognitive decline in patients with asymptomatic carotid stenosis and also have improved cognitive functions in both symptomatic and asymptomatic individuals.
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Affiliation(s)
- Daniel Václavík
- Department of Neurology, University Hospital Ostrava, 708 00 Ostrava, Czech Republic; (D.V.); (M.R.)
- Comprehensive Stroke Centre, Department of Neurology, Charles University Faculty of Medicine and University Hospital, 500 05 Hradec Králové, Czech Republic;
- Stroke Centre, Department of Neurology, Hospital Agel Ostrava Vitkovice, 703 00 Ostrava, Czech Republic
| | - David Pakizer
- Centre for Health Research, Faculty of Medicine, University of Ostrava, Syllabova 19, 703 00 Ostrava, Czech Republic;
| | - Tomáš Hrbáč
- Department of Neurosurgery, University Hospital Ostrava, 708 52 Ostrava, Czech Republic;
- Department of Neuroscience, Faculty of Medicine, University of Ostrava, 703 00 Ostrava, Czech Republic
| | - Martin Roubec
- Department of Neurology, University Hospital Ostrava, 708 00 Ostrava, Czech Republic; (D.V.); (M.R.)
- Centre for Health Research, Faculty of Medicine, University of Ostrava, Syllabova 19, 703 00 Ostrava, Czech Republic;
| | - Václav Procházka
- Department of Radiodiagnostics, University Hospital Ostrava and Faculty of Medicine, University of Ostrava, 703 00 Ostrava, Czech Republic; (V.P.); (T.J.)
| | - Tomáš Jonszta
- Department of Radiodiagnostics, University Hospital Ostrava and Faculty of Medicine, University of Ostrava, 703 00 Ostrava, Czech Republic; (V.P.); (T.J.)
| | - Roman Herzig
- Comprehensive Stroke Centre, Department of Neurology, Charles University Faculty of Medicine and University Hospital, 500 05 Hradec Králové, Czech Republic;
| | - David Školoudík
- Department of Neurology, University Hospital Ostrava, 708 00 Ostrava, Czech Republic; (D.V.); (M.R.)
- Centre for Health Research, Faculty of Medicine, University of Ostrava, Syllabova 19, 703 00 Ostrava, Czech Republic;
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Shao T, Huang J, Zhao Y, Wang W, Tian X, Hei G, Kang D, Gao Y, Liu F, Zhao J, Liu B, Yuan TF, Wu R. Metformin improves cognitive impairment in patients with schizophrenia: associated with enhanced functional connectivity of dorsolateral prefrontal cortex. Transl Psychiatry 2023; 13:315. [PMID: 37821461 PMCID: PMC10567690 DOI: 10.1038/s41398-023-02616-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/21/2023] [Accepted: 09/26/2023] [Indexed: 10/13/2023] Open
Abstract
Cognitive impairment is a core feature of schizophrenia, which is aggravated by antipsychotics-induced metabolic disturbance and lacks effective pharmacologic treatments in clinical practice. Our previous study demonstrated the efficiency of metformin in alleviating metabolic disturbance following antipsychotic administration. Here we report that metformin could ameliorate cognitive impairment and improve functional connectivity (FC) in prefrontal regions. This is an open-labeled, evaluator-blinded study. Clinically stable patients with schizophrenia were randomly assigned to receive antipsychotics plus metformin (N = 48) or antipsychotics alone (N = 24) for 24 weeks. The improvement in cognition was assessed by the MATRICS Consensus Cognitive Battery (MCCB). Its association with metabolic measurements, and voxel-wise whole-brain FC with dorsolateral prefrontal cortex (DLPFC) subregions as seeds were evaluated. When compared to the antipsychotics alone group, the addition of metformin resulted in significantly greater improvements in the MCCB composite score, speed of processing, working memory, verbal learning, and visual learning. A significant time × group interaction effect of increased FC between DLPFC and the anterior cingulate cortex (ACC)/middle cingulate cortex (MCC), and between DLPFC subregions were observed after metformin treatment, which was positively correlated with MCCB cognitive performance. Furthermore, the FC between left DLPFC A9/46d to right ACC/MCC significantly mediated metformin-induced speed of processing improvement; the FC between left A46 to right ACC significantly mediated metformin-induced verbal learning improvement. Collectively, these findings demonstrate that metformin can improve cognitive impairments in schizophrenia patients and is partly related to the FC changes in the DLPFC. Trial Registration: The trial was registered with ClinicalTrials.gov (NCT03271866). The full trial protocol is provided in Supplementary Material.
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Affiliation(s)
- Tiannan Shao
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, and National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, PR China
| | - Jing Huang
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, and National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, PR China
| | - Yuxin Zhao
- Brainnetome Center and National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, PR China
- School of Artificial Intelligence, University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Weiyan Wang
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, and National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, PR China
| | - Xiaohan Tian
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, 100875, PR China
| | - Gangrui Hei
- Department of Psychiatry, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, PR China
| | - Dongyu Kang
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, and National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, PR China
| | - Yong Gao
- Department of Orthopedics, The First People's Hospital of Changde, Changde Hospital Affiliated to Xiangya Medical College of Central South University, Changde, 415900, PR China
| | - Fangkun Liu
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, 410008, PR China
| | - Jingping Zhao
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, and National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, PR China
| | - Bing Liu
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, 100875, PR China
| | - Ti-Fei Yuan
- Shanghai Key Laboratory of Psychotic Disorders, Brain Health Institute, National Center for Mental Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, PR China
- Co-innovation Center of Neuroregeneration, Nantong University, Nantong, 226001, PR China
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital Affiliated to Tongji University School of Medicine, Shanghai, 200434, PR China
| | - Renrong Wu
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, and National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, PR China.
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Del Bene VA, Gerstenecker A, Lazar RM. Formal Neuropsychological Testing: Test Batteries, Interpretation, and Added Value in Practice. Clin Geriatr Med 2023; 39:27-43. [PMID: 36404031 DOI: 10.1016/j.cger.2022.07.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Neuropsychologists evaluate patients for cognitive decline and dementia, using validated psychometric tests, along with behavioral observation, record review, clinical interview, and information about psychological functioning, to evaluate brain-behavior relationships and aid in differential diagnosis and treatment planning. Also considered are premorbid functioning, education, sex, socioeconomic status, primary language, culture, and race-related health disparities when selecting tests, interpreting performance, and providing a diagnostic impression. Neuropsychologists provide diagnostic clarity, explain symptoms and likely disease course to patients and family members, and assist the family with future planning, behavioral management strategies, and ways to mitigate caregiver burden.
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Affiliation(s)
- Victor A Del Bene
- Department of Neurology, Division of Neuropsychology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL 35294, USA; The Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL 35294, USA
| | - Adam Gerstenecker
- Department of Neurology, Division of Neuropsychology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL 35294, USA; The Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL 35294, USA
| | - Ronald M Lazar
- Department of Neurology, Division of Neuropsychology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL 35294, USA; The Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL 35294, USA; Department of Neurobiology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL 35294, USA.
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Hua R, Li C, Gao D, Zheng F, Xie W. Cognitive decline among older adults with heart diseases before and during the COVID-19 pandemic: A longitudinal cohort study. Front Cardiovasc Med 2023; 9:1077800. [PMID: 36776942 PMCID: PMC9908755 DOI: 10.3389/fcvm.2022.1077800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 12/29/2022] [Indexed: 01/27/2023] Open
Abstract
Background Little is known about the impact induced by the COVID-19 pandemic on the cognitive function of older adults with heart diseases. This study aimed to examine whether older adults with heart diseases suffered larger cognitive deterioration during the COVID-19 pandemic. Methods This study leveraged longitudinal data from the Health and Retirement Study (HRS), a nationally representative U.S. aging cohort with objective cognitive assessments measured before and during the pandemic. The interval from HRS waves 13 to 14 (April 2016 to June 2019) was defined as the pre-pandemic period to control the pre-existed cognitive difference between participants with and without heart diseases, and the interval from waves 14 to 15 (June 2019 to June 2021) was defined as the pandemic period. The HRS wave 14 survey was considered the baseline. The heart disease status was defined by a self-reported diagnosis. Linear mixed models were performed to evaluate and compare the cognitive differences during different periods. Results A total of 9,304 participants (women: 5,655, 60.8%; mean age: 65.8 ± 10.8 years) were included, and 2,119 (22.8%) had heart diseases. During the pre-pandemic period, there was no significant difference (-0.03, 95% CI: -0.22 to 0.15, P = 0.716) in the changes in global cognitive scores between participants with and without heart disease. During the pandemic period, a larger decreased change in the global cognitive score was observed in the heart disease group compared with the non-heart disease group (-0.37, 95% CI: -0.55 to -0.19, P < 0.001). An enlarged difference in global cognitive score was observed during the pandemic period (-0.33, 95% CI: -0.65 to -0.02, P = 0.036). Conclusion The findings demonstrated that the population with heart diseases suffered more cognitive decline related to the pandemic, underscoring the necessity to provide immediate cognitive monitoring and interventions for the population with heart diseases.
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Affiliation(s)
- Rong Hua
- Peking University Clinical Research Institute, Peking University First Hospital, Beijing, China
- Peking University Clinical Research Institute Heart and Vascular Health Research Center at Peking University Shougang Hospital, Beijing, China
| | - Chenglong Li
- Peking University Clinical Research Institute, Peking University First Hospital, Beijing, China
- Peking University Clinical Research Institute Heart and Vascular Health Research Center at Peking University Shougang Hospital, Beijing, China
| | - Darui Gao
- Peking University Clinical Research Institute, Peking University First Hospital, Beijing, China
- Peking University Clinical Research Institute Heart and Vascular Health Research Center at Peking University Shougang Hospital, Beijing, China
| | - Fanfan Zheng
- School of Nursing, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Wuxiang Xie
- Peking University Clinical Research Institute, Peking University First Hospital, Beijing, China
- Peking University Clinical Research Institute Heart and Vascular Health Research Center at Peking University Shougang Hospital, Beijing, China
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Higher Total Cholesterol Concentration May Be Associated with Better Cognitive Performance among Elderly Females. Nutrients 2022; 14:nu14194198. [PMID: 36235850 PMCID: PMC9571708 DOI: 10.3390/nu14194198] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/04/2022] [Accepted: 10/06/2022] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND The brain contains the highest level of cholesterol in the body, and the total amount of serum cholesterol in the blood has a huge impact on brain aging and cognitive performance. However, the association of total serum cholesterol with cognitive function remains uncertain. This study determines whether there is an association between the total amount of cholesterol in the blood and cognitive performance in elderly females without a history of stroke. METHODS This population-based cross-sectional study was conducted on elderly (over 60 years old) females and males without a history of stroke from 2011 to 2014 in the US National Health and Nutrition Examination Survey (NHANES). The primary exposure was total blood cholesterol, and the main outcome was cognitive performance; this association was assessed with logistic regression analysis and restricted cubic splines. RESULTS 1309 female and 1272 male participants were included. In females, higher total cholesterol was significantly associated with higher cognitive scores, particularly in the digit symbol substitution test (OR 0.51, 95% CI (0.36-0.72)) and the animal fluency test (OR 0.64, 95% CI (0.45-0.91)). This association remained significant in models adjusted for age, race, smoking status, education level, and chronic conditions (OR 0.40, 95% CI (0.25-0.63)). This association was not significant in males, however. CONCLUSIONS A higher concentration of total cholesterol measured in later life may be a protective factor for cognitive performance among females over 60 years old without a history of stroke. Further, this association was more pronounced among women with higher levels of education than women with lower or no education.
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Facchin A, Rizzi E, Vezzoli M. A rank subdivision of equivalent score for enhancing neuropsychological test norms. Neurol Sci 2022; 43:5243-5249. [PMID: 35581425 PMCID: PMC9385822 DOI: 10.1007/s10072-022-06140-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 05/12/2022] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Neuropsychological assessment of cognitive functioning is a crucial part of clinical care: diagnosis, treatment planning, treatment evaluation, research, and prediction of long-term outcomes. The Equivalent Score (ES) method is used to score numerous neuropsychological tests. The ES0 and the ES4 are defined respectively by the outer tolerance limit and the median. The intermediate ESs are commonly calculated using a z-score approach even when the distribution of neuropsychological data is typically non-parametric. To calculate more accurate ESs, we propose that the intermediate ESs need to be calculated based on a non-parametric rank subdivision of the distribution of the adjusted scores. MATERIAL AND METHODS We make three simulations to explain the differences between the classical z-score approach, the rank-based approach, and the direct subdivision of the dependent variable. RESULTS The results show that the rank procedure permits dividing the region between ES0 and ES4 into three areas with the same density. The z-score procedure is quite similar to the direct subdivision of the dependent variable and different from the rank subdivision. CONCLUSIONS By subdividing intermediate ESs using the rank-subdivision, neuropsychological tests can be scored more accurately, also considering that the two essential points for diagnosis (ES = 0 and ES = 4) remain the same. Future normative data definition should consider the best procedure for scoring with ES.
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Affiliation(s)
- Alessio Facchin
- Department of Psychology, University of Milano Bicocca, Piazza dell'ateneo nuovo 1, Milan, Italy.
| | - Ezia Rizzi
- Department of Psychology, University of Milano Bicocca, Piazza dell'ateneo nuovo 1, Milan, Italy
- Department of History, Society and Human Studies, University of Salento, Lecce, Italy
| | - Michela Vezzoli
- Department of Psychology, University of Milano Bicocca, Piazza dell'ateneo nuovo 1, Milan, Italy
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Cognitive Functions after Carotid Artery Stenting-1-Year Follow-Up Study. J Clin Med 2022; 11:jcm11113019. [PMID: 35683407 PMCID: PMC9180931 DOI: 10.3390/jcm11113019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 04/29/2022] [Accepted: 05/24/2022] [Indexed: 02/04/2023] Open
Abstract
Background: The revascularization of carotid arteries minimizes the risk of future cerebral stroke and usually improves cognitive functions. The aim of this study was to assess changes in cognitive function and verify the hypothesis assuming an improvement of selected cognitive functions—psychomotor speed, visuospatial episodic memory, executive function and verbal fluency—in patients after carotid artery stenting during a 12-month follow-up. Methods: 47 persons subject to CAS, including 13 symptomatic persons, were examined before and 12 months after a procedure with a psychological test battery (digit symbol test—DS, Rey–Osterrieth complex figure test—ROCF, Wisconsin Card Sorting Test—WCST, letter verbal fluency—LVF). Sociodemographic data and clinical parameters were acquired from an author questionnaire. Results: The one-year follow-up, after the performed CAS procedure, demonstrated a significant improvement of psychomotor speed, visuospatial episodic memory, and executive function. No changes in the area of verbal fluency or decline in any of cognitive functions under analysis were observed. Conclusions: Carotid artery stenting improves cognitive functioning, both in the area of basic and more complex cognitive functions in persons with carotid atherosclerosis.
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Foret T, Guillaumin M, Desmarets M, Costa P, Rinckenbach S, du Mont LS. Association between carotid revascularization for asymptomatic stenosis and cognitive functions. VASA 2022; 51:138-149. [DOI: 10.1024/0301-1526/a000996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Summary: Asymptomatic carotid stenosis (ACS) can cause cognitive dysfunction, related to cerebral hypoperfusion and microemboli. These mechanisms could be treated by carotid revascularization, but the impact of carotid angioplasty stenting (CAS) or carotid endarterectomy (CEA) on cognitive functions remains unclear. The aim of this systematic review was to realize a report on the actual state of results about asymptomatic carotid stenosis revascularization and cognitive function. We performed a systematic literature review to analyze all studies assessing the impact of asymptomatic carotid stenosis revascularizations on cognitive functions. We reviewed all publications published in Medline database and Cochrane between January 2010 and January 2020 including subjects with a cognitive evaluation and receiving carotid revascularization for asymptomatic stenosis. We identified 567 records for review, and finally we included in the systematic review 20 studies about ACS revascularization and cognitive functions. Only observational studies analyzed the impact of CEA and CAS on cognitive functions. Thus, too heterogeneous data associated to the lack of randomized controlled trials with an evaluation of optimal medical treatment did not enable to affirm the interest of the revascularization management of ACS in cognitive domain. There was a lack of standardization and finally studies were too heterogeneous to conclude on the impact of carotid revascularization on cognitive functions. There is an urgent need to harmonize research in this domain in order to prevent and treat cognitive dysfunction related to ACS, especially in our society with an aging population.
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Affiliation(s)
- Thomas Foret
- Vascular Medicine Unit, Vascular and Endovascular Surgery Department, CHRU Besançon, France
| | | | - Maxime Desmarets
- Unité de méthodologie (uMETh), Centre d’investigation Clinique 1431, Centre Hospitalier Universitaire de Besançon, France
- Unité mixte de recherche Right (UMR1098), Inserm, Établissement Français du Sang BFC, Université Bourgogne Franche-Comté, Besançon, France
| | - Patricia Costa
- Vascular Medicine Unit, Vascular and Endovascular Surgery Department, CHRU Besançon, France
| | - Simon Rinckenbach
- Vascular and Endovascular Surgery Department, CHRU Besançon, France
- EA3920, Université de Bourgogne Franche-Comté, Besançon, France
| | - Lucie Salomon du Mont
- Vascular and Endovascular Surgery Department, CHRU Besançon, France
- EA3920, Université de Bourgogne Franche-Comté, Besançon, France
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Karbownik MS, Mokros Ł, Kowalczyk E. Who Benefits from Fermented Food Consumption? A Comparative Analysis between Psychiatrically Ill and Psychiatrically Healthy Medical Students. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:3861. [PMID: 35409544 PMCID: PMC8997937 DOI: 10.3390/ijerph19073861] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 03/19/2022] [Accepted: 03/21/2022] [Indexed: 12/18/2022]
Abstract
Probiotic therapies and fermented food diets hold promise for improving mental health. Although in this regard psychiatric patients appear to benefit more than healthy individuals, no research has been performed to directly evaluate this hypothesis. The present study examined a cohort of medical students facing a stressful event, and some of the students reported suffering from chronic psychiatric diseases. The amount of fermented food consumption was calculated with the use of seven-day dietary records, while depressive and anxiety symptoms were assessed with the use of the Patient Health Questionnaire-9 and Generalized Anxiety Disorder-7, respectively. In psychiatrically healthy medical students under psychological stress (n = 372), higher fermented food consumption was associated with more depressive and anxiety symptoms. In contrast, psychiatrically ill medical students (n = 25, 6.3% of all the participants) were found to present a negative association between the amount of fermented food consumed and the severity of depressive symptoms (adjusted β -0.52, 95% CI -0.85 to -0.19, p = 0.0042); however, this relationship was insignificant for anxiety symptoms (adjusted β -0.22, 95% CI -0.59 to 0.15, p = 0.22). A significant interaction was found between the consumption of fermented food and psychiatric diagnosis in predicting depressive symptoms (p = 0.0001), and a borderline significant interaction for anxiety symptoms (p = 0.053). In conclusion, psychiatrically ill people, but not healthy ones, may benefit from fermented food consumption in terms of alleviation of depressive symptoms. Our findings require cautious interpretation and further investigation.
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Affiliation(s)
- Michał Seweryn Karbownik
- Department of Pharmacology and Toxicology, Medical University of Lodz, Żeligowskiego 7/9, 90-752 Lodz, Poland;
| | - Łukasz Mokros
- Department of Clinical Pharmacology, Medical University of Lodz, Kopcińskiego 22, 90-153 Lodz, Poland;
| | - Edward Kowalczyk
- Department of Pharmacology and Toxicology, Medical University of Lodz, Żeligowskiego 7/9, 90-752 Lodz, Poland;
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Karbownik MS, Mokros Ł, Dobielska M, Kowalczyk M, Kowalczyk E. Association Between Consumption of Fermented Food and Food-Derived Prebiotics With Cognitive Performance, Depressive, and Anxiety Symptoms in Psychiatrically Healthy Medical Students Under Psychological Stress: A Prospective Cohort Study. Front Nutr 2022; 9:850249. [PMID: 35308282 PMCID: PMC8929173 DOI: 10.3389/fnut.2022.850249] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 01/26/2022] [Indexed: 12/22/2022] Open
Abstract
Background Gut microbiota-based therapeutic strategies, such as probiotic and prebiotic preparations, may benefit mental health. However, commonly consumed fermented and prebiotic-containing foods have not been well-tested. The aim of the present study was to determine whether consumption of fermented food and food-derived prebiotics is associated with cognitive performance, depressive, and anxiety symptoms in psychiatrically healthy medical students under psychological stress. Methods The study protocol with data analysis plan was prospectively registered. Food consumption was evaluated with a 7-day dietary record. Cognitive performance was modeled with academic examination performance in relation to subject knowledge. Pre-exam depressive and anxiety symptoms were assessed with the Patient Health Questionnaire-9 and Generalized Anxiety Disorder-7, respectively. Results In total, 372 medical students (22.7 ± 1.1 years of age, 66% female) completed the study. No relationship was observed between cognitive performance under stress and either fermented food (adjusted β 0.02, 95% CI −0.07–0.11, p = 0.63) or food-derived prebiotics consumption (adjusted β −0.00, 95% CI −0.09–0.09, p = 0.99). High intake of fermented food was associated with more severe depressive (adjusted β 0.11, 95% CI 0.01–0.20, p = 0.032) and anxiety symptoms under stress (adjusted β 0.13, 95% CI 0.04–0.22, p = 0.0065); however, no such link was observed for food-derived prebiotics (adjusted β 0.03, 95% CI −0.07–0.13, p = 0.50 and −0.01, 95% CI −0.11–0.08, p = 0.83, for depression and anxiety, respectively). Conclusions Under psychological stress in medical students, consumption of fermented food and food-derived prebiotics appears to be not associated with cognitive performance. High intake of fermented food, but not food-derived prebiotics, may be associated with severity of depressive and anxiety symptoms. The safety of fermented food in this regard therefore requires further clarification.
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Affiliation(s)
- Michał Seweryn Karbownik
- Department of Pharmacology and Toxicology, Medical University of Lodz, Łódź, Poland
- *Correspondence: Michał Seweryn Karbownik
| | - Łukasz Mokros
- Department of Clinical Pharmacology, Medical University of Lodz, Łódź, Poland
| | - Maria Dobielska
- Students' Research Club, Department of Pharmacology and Toxicology, Medical University of Lodz, Łódź, Poland
| | | | - Edward Kowalczyk
- Department of Pharmacology and Toxicology, Medical University of Lodz, Łódź, Poland
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12
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Aiello EN, Depaoli EG. Norms and standardizations in neuropsychology via equivalent scores: software solutions and practical guides. Neurol Sci 2022; 43:961-966. [PMID: 34142261 PMCID: PMC8789699 DOI: 10.1007/s10072-021-05374-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 05/31/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Norming neuropsychological tests and standardizing their raw scores are needed to draw objective clinical judgments on clients' neuropsychological profile. The Equivalent Score (ES) method is a regression-based normative/standardization technique that relies on the non-parametric identification of the observations corresponding to the outer and inner tolerance limits (oTL; iTL) - to derive a cut-off, as well as to between-ES thresholds - to mark the passage across different levels of ability. However, identifying these observations is still a time-consuming, "manual" procedure. This work aimed at providing practitioners with a user-friendly code that helps compute TLs and ES thresholds. METHODS R language and RStudio environment were adopted. A function for identifying the observations corresponding to both TLs by exploiting Beta distribution features was implemented. A code for identifying the observations corresponding to ES thresholds according to a z-deviate-based approach is also provided. RESULTS An exhaustive paradigm of usage of both the aforementioned function and script has been carried out. A user-friendly, online applet is provided for the calculation of both TLs and ESs thresholds. A brief summary of the regression-based procedure preceding the identification of TLs and ESs threshold is also given (along with an R script implementing these steps). DISCUSSION The present work provides with a software solution to the calculation of TLs and ES thresholds for norming/standardizing neuropsychological tests. These software can help reduce both the subjectivity and the error rate when applying the ES method, as well as simplify and expedite its implementation.
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Affiliation(s)
- Edoardo Nicolò Aiello
- University of Milano-Bicocca, Monza, Italy
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
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Piegza M, Więckiewicz G, Wierzba D, Piegza J. Cognitive Functions in Patients after Carotid Artery Revascularization-A Narrative Review. Brain Sci 2021; 11:brainsci11101307. [PMID: 34679372 PMCID: PMC8533732 DOI: 10.3390/brainsci11101307] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/12/2021] [Accepted: 09/29/2021] [Indexed: 11/24/2022] Open
Abstract
Carotid revascularization may lead to improved cognitive function beyond stroke prevention. This article summarizes the conclusions from available studies on the effects of carotid reperfusion procedures on cognitive function. The papers cited used different neuropsychological tests for cognitive assessment, resulting in different methodologies and the results obtained were not always convergent. However, most studies reported an improvement in neurocognitive abilities after both vascular interventions, but a more precise assessment of the specific benefits is still awaited. Clinical determinants to predict the effects of these treatments on cognitive function are still being sought, but results are not yet satisfactory. In view of these studies, carotid stenosis seems to be an independent risk factor for cognitive deterioration, and the main mechanisms responsible are embolism and cerebral hypoperfusion. The aim of this study is to order the knowledge about the effects of carotid artery stenting (CAS) and endarterectomy (CEA) on neurocognitive functions and to verify the usefulness of using these treatments.
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Affiliation(s)
- Magdalena Piegza
- Department of Psychiatry, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 42-612 Tarnowskie Góry, Poland;
| | - Gniewko Więckiewicz
- Department of Psychiatry, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 42-612 Tarnowskie Góry, Poland;
- Correspondence:
| | - Dawid Wierzba
- Independent Public Heath Care Psychiatric Hospital, 44-180 Toszek, Poland;
| | - Jacek Piegza
- Third Department of Cardiology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 41-800 Zabrze, Poland;
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Amaya Y, Abe T, Kanbara K, Shizuma H, Akiyama Y, Fukunaga M. The effect of aerobic exercise on interoception and cognitive function in healthy university students: a non-randomized controlled trial. BMC Sports Sci Med Rehabil 2021; 13:99. [PMID: 34454595 PMCID: PMC8403430 DOI: 10.1186/s13102-021-00332-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 08/16/2021] [Indexed: 12/31/2022]
Abstract
BACKGROUND Interoception refers to the body's physiological responses that occur in response to emotions. This phenomenon influences decision-making, an important cognitive ability that affects the maintenance of an exercise routine. However, it is controversial whether interoception is a reliable measure of an individual's traits or their response to emotion. Given this evidence, we hypothesized that performing an exercise with positive feelings could improve interoception and that the rational decision-making capabilities acquired by improved interoception would, in turn, help in maintaining an exercise routine. Persistent aerobic exercise is essential for improving cognitive and musculoskeletal function in the long term. Therefore, we aimed to investigate changes in interoception during moderate-intensity aerobic exercise at a level that might potentially improve cognitive function. METHODS We devided 48 healthy university students into an exercise group (n = 37) and a control group (n = 11). The control group did not perform any exercises, while the exercise group performed bench step exercises at an intensity of 50% of heart rate reserve for 30 min a day, three times a week, for three months. We assessed their cognitive function by measuring their auditory information/working memory processing speed using a paced auditory serial addition task (PASAT) and evaluated their interoceptive accuracy (IA) using a heartbeat tracking task at baseline and 1, 2, and 3 months after the start of the exercise intervention. RESULTS There was a significant positive correlation between IA and PASAT scores at baseline. However, exercise did not lead to a significant increase in PASAT scores of the exercise group as compared with the control group. IA scores increased at 2 and 3 months after the start of exercise only in the exercise group. CONCLUSIONS This preliminary study showed an improvement in interoception after persistent moderate-intensity aerobic exercise. We believe that exercise-induced improvement of interoception may facilitate exercise maintenance through improved cognitive function. Statistical analysis did not explain the non-uniformity of sample sizes, therefore, future studies should have larger sample sizes with equal subjects in each group to allow for better comparability and generalizability. TRIAL REGISTRATION UMIN, UMIN000042891. 04/01/2021, retrospectively registered.
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Affiliation(s)
- Yusaku Amaya
- Department of Psychosomatic and General Internal Medicine, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 573-1010, Japan
- Faculty of Rehabilitation, Shijonawate Gakuen University, Osaka, Japan
| | - Tetsuya Abe
- Department of Psychosomatic and General Internal Medicine, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 573-1010, Japan.
| | - Kenji Kanbara
- Department of Psychosomatic and General Internal Medicine, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 573-1010, Japan
- Psychosomatic Medicine, Clinical Psychology, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Hisaharu Shizuma
- Department of Psychosomatic and General Internal Medicine, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 573-1010, Japan
- Department of Education, Kyoto College of Medical and Health, Kyoto, Japan
| | - Yasushi Akiyama
- Department of Psychosomatic and General Internal Medicine, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 573-1010, Japan
| | - Mikihiko Fukunaga
- Department of Psychosomatic and General Internal Medicine, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 573-1010, Japan
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Gulbrandsen TR, Khazi ZM, Bollier M, Wolf B, Larson C, Duchman K, An Q, Westermann RW. Preoperative Performance of Patient-Reported Outcomes Measurement Information System in Patients with Meniscal Root Tears. J Knee Surg 2021; 34:913-917. [PMID: 31887762 DOI: 10.1055/s-0039-3402076] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The purpose of this study was to establish preoperative validity of the Patient-Reported Outcomes Measurement Information System physical function computer adaptive test (PROMIS PF-CT) with legacy patient-reported outcome measures (PROMs) for meniscal root tears (MRTs). Our study included 51 patients (52 knees) with MRT. Patients completed PROMIS PF-CT, Short Form 36 (SF-36 physical function, pain, general health, vitality, social function, emotional well-being, role limitations due to physical health, and role limitations due to emotional problems), Knee Injury and Osteoarthritis Outcome Score (KOOS pain, symptoms, activities of daily living [ADLs], sports, and quality of life [QOL]), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC pain, stiffness, and function), EuroQol-5 dimensions (EQ-5D), and Knee Activity Scale questionnaires at their preoperative visit. Correlations between the PROMs listed above were evaluated along with floor and ceiling effects. Correlations were defined as weak (0.2-0.39), moderate (0.4-0.59), strong (0.6-0.79), and very strong (0.8-1.0). Preoperative data showed that PROMIS PF-CT has a strong correlation with SF-36 PF, KOOS-ADL, WOMAC-function, and EQ-5D; and moderate correlation with KOOS-sport, KOOS-pain, KOOS-symptoms, KOOS-QOL, WOMAC-pain, and WOMAC-stiffness. The Knee Activity Scale did not show any significant correlation with PROMIS PF-CT (r = 0.12, p = 0.2080). Of all the PROMs administered, PROMIS PF-CT demonstrated no floor or ceiling effects compared with 11.54% ceiling effect in KOOS-sports, and 5.77% floor effect in KOOS-ADL. On average, patients answered fewer PROMIS PF-CT questions (4.15 ± 0.72). PROMIS PF-CT is a valuable tool to assess preoperative patient-reported physical function in patients that may undergo MRT repair. It correlates strongly with other well-established PROMs. It also demonstrated no floor or ceiling effects and demonstrated a low test burden in our sample of 52 knees. This is a level III, prognostic retrospective comparative study.
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Affiliation(s)
- Trevor R Gulbrandsen
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa
| | - Zain M Khazi
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa
| | - Matthew Bollier
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa
| | - Brian Wolf
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa
| | - Christopher Larson
- Minnesota Orthopedic Sports Medicine Institute, Twin Cities Orthopedics, Edina, Minnesota
| | - Kyle Duchman
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa
| | - Qiang An
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa
| | - Robert W Westermann
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa
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Dong BR, Gu XQ, Chen HY, Gu J, Pan ZG. Development and Validation of a Nomogram to Predict Frailty Progression in Nonfrail Chinese Community-Living Older Adults. J Am Med Dir Assoc 2021; 22:2571-2578.e4. [PMID: 34129830 DOI: 10.1016/j.jamda.2021.05.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 05/11/2021] [Accepted: 05/19/2021] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Frailty state progression is common among older adults, so it is necessary to identify predictors to implement individualized interventions. We aimed to develop and validate a nomogram to predict frailty progression in community-living older adults. DESIGN Prospective cohort study. SETTING AND PARTICIPANTS A total of 3170 Chinese community-living people aged ≥60 years were randomly assigned to a training set or validation set at a ratio of 6:4. METHODS Candidate predictors (demographic, lifestyle, and medical characteristics) were used to predict frailty state progression as measured with the Fried frailty phenotype at a 4-year follow-up, and multivariate logistic regression analysis was conducted to develop a nomogram, which was validated internally with 1000 bootstrap resamples and externally with the use of a validation set. The C index and calibration plot were used to assess discrimination and calibration of the nomogram, respectively. RESULTS After a follow-up period of 4 years, 64.1% (917/1430) of the participants in the robust group and 26.0% (453/1740) in the prefrail group experienced frailty progression, which included 9.1% and 21.0%, respectively, who progressed to frailty. Predictors in the final nomogram were age, marital status, physical exercise, baseline frailty state, and diabetes. Based on this nomogram, an online calculator was also developed for easy use. The discriminative ability was good in the training set (C index = 0.861) and was validated using both the internal bootstrap method (C index = 0.861) and an external validation set (C index = 0.853). The calibration plots showed good agreement in both the training and validation sets. CONCLUSIONS AND IMPLICATIONS An easy-to-use nomogram was developed with good apparent performance using 5 readily available variables to help physicians and public health practitioners to identify older adults at high risk for frailty progression and implement medical interventions.
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Affiliation(s)
- Bing-Ru Dong
- Department of General Practice, Zhongshan Hospital of Fudan University, Shanghai, China
| | - Xiao-Qing Gu
- Department of General Practice, Xidu Community Health Center of the Fengxian District, Shanghai, China
| | - Hai-Ying Chen
- Department of General Practice, Xidu Community Health Center of the Fengxian District, Shanghai, China
| | - Jie Gu
- Department of General Practice, Zhongshan Hospital of Fudan University, Shanghai, China.
| | - Zhi-Gang Pan
- Department of General Practice, Zhongshan Hospital of Fudan University, Shanghai, China
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Chyung SY(Y, Hutchinson D, Shamsy JA. Evidence‐Based Survey Design: Ceiling Effects Associated with Response Scales. ACTA ACUST UNITED AC 2020. [DOI: 10.1002/pfi.21920] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Zhang X, Su J, Gao C, Ni W, Gao X, Li Y, Zhang J, Lei Y, Gu Y. Progression in Vascular Cognitive Impairment: Pathogenesis, Neuroimaging Evaluation, and Treatment. Cell Transplant 2019; 28:18-25. [PMID: 30488737 PMCID: PMC6322135 DOI: 10.1177/0963689718815820] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Vascular cognitive impairment (VCI) defines an entire spectrum of neurologic disorders from mild cognitive impairment to dementia caused by cerebral vascular disease. The pathogenesis of VCI includes ischemic factors (e.g., large vessel occlusion and small vessel dysfunction); hemorrhagic factors (e.g., intracerebral hemorrhage and subarachnoid hemorrhage); and other factors (combined with Alzheimer's disease). Clinical evaluations of VCI mainly refer to neuropsychological testing and imaging assessments, including structural and functional neuroimaging, with different advantages. At present, the main treatment for VCI focuses on neurological protection, cerebral blood flow reconstruction, and neurological rehabilitation, such as pharmacological treatment, revascularization, and cognitive training. In this review, we discuss the pathogenesis, neuroimaging evaluation, and treatment of VCI.
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Affiliation(s)
- Xin Zhang
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Jiabin Su
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Chao Gao
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Wei Ni
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Xinjie Gao
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Yuxin Li
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Jun Zhang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yu Lei
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
- Yu Lei and Yuxiang Gu, Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, No. 12 Middle Wulumuqi Road, Shanghai 200040, China. Emails: ;
| | - Yuxiang Gu
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
- Yu Lei and Yuxiang Gu, Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, No. 12 Middle Wulumuqi Road, Shanghai 200040, China. Emails: ;
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The effects of high-frequency rTMS over the left DLPFC on cognitive control in young healthy participants. PLoS One 2017; 12:e0179430. [PMID: 28614399 PMCID: PMC5470713 DOI: 10.1371/journal.pone.0179430] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2017] [Accepted: 05/29/2017] [Indexed: 01/10/2023] Open
Abstract
A large body of evidence suggests that repetitive transcranial magnetic stimulation (rTMS) is clinically effective in treating neuropsychiatric disorders and multiple sessions are commonly used. However, it is unknown whether multiple sessions of rTMS improve cognitive control, which is a function of the neural circuitry of the left dorsolateral prefrontal cortex (DLPFC)-cingulate cortex in healthy individuals. In addition, it is still unclear which stages of neural processing are altered by rTMS. In this study, we investigated the effects of high-frequency rTMS on cognitive control and explored the time course changes of cognitive processing after rTMS using event-related potentials (ERPs). For seven consecutive days, 25 young healthy participants underwent one 10-Hz rTMS session per day in which stimulation was applied over the left DLPFC, and a homogeneous participant group of 25 individuals received a sham rTMS treatment. A Stroop task was performed, and an electroencephalogram (EEG) was recorded. The results revealed that multiple sessions of rTMS can decrease reaction time (RTs) under both congruent and incongruent conditions and also increased the amplitudes of both N2 and N450 compared with sham rTMS. The negative correlations between the mean amplitudes of both N2 and N450 and the RTs were found, however, the latter correlation were restricted to incongruent trials and the correlation was enhanced significantly by rTMS. This observation supports the view that high-frequency rTMS over the left DLPFC can not only recruit more neural resources from the prefrontal cortex by inducing an electrophysiologically excitatory effect but also enhance efficiency of resources to deploy for conflict resolution during multiple stages of cognitive control processing in healthy young people.
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Moga DC, Abner EL, Wu Q, Jicha GA. Bladder antimuscarinics and cognitive decline in elderly patients. ALZHEIMERS & DEMENTIA-TRANSLATIONAL RESEARCH & CLINICAL INTERVENTIONS 2017; 3:139-148. [PMID: 28462390 PMCID: PMC5408467 DOI: 10.1016/j.trci.2017.01.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
INTRODUCTION The evidence on the impact of bladder antimuscarinics initiation on cognitive function in older adults is inconsistent. METHODS A retrospective analysis of data from the National Alzheimer's Coordinating Center (NACC) on enrollees 65 years and older evaluated the association between antimuscarinic initiation and cognitive decline. We defined decline from baseline (yes/no) for cognitive assessments included in the NACC Uniform Data Set 2.0 battery. New users were matched on year of enrollment and time in the cohort to randomly selected nonusers. Analyses were conducted using inverse probability of treatment weights based on baseline propensity scores. RESULTS Our analyses included 698 new users and 7037 nonusers. The odds ratio (OR) and 95% confidence interval for cognitive decline in users as compared to nonusers was 1.4 (1.19-1.65) for Mini-Mental State Examination (MMSE), and 1.21 (1.03-1.42) for Clinical Dementia Rating; in addition, the odds of decline were 20% higher in users compared to nonusers for semantic memory/language and executive function. The effect estimate for MMSE was 1.94 (1.3-2.91) for those with mild cognitive impairment, 1.26 (0.99-1.62) in those with normal cognition, and 1.44 (1.04-1.99) in those with dementia at baseline. DISCUSSION Our results show that antimuscarinic initiation is associated with cognitive decline and raise questions about their use, especially in those with impaired cognition.
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Affiliation(s)
- Daniela C Moga
- Department of Pharmacy Practice and Science, College of Pharmacy, University of Kentucky.,Department of Epidemiology, College of Public Health, University of Kentucky.,Sanders-Brown Center on Aging, University of Kentucky
| | - Erin L Abner
- Department of Epidemiology, College of Public Health, University of Kentucky.,Sanders-Brown Center on Aging, University of Kentucky
| | - Qishan Wu
- Department of Epidemiology, College of Public Health, University of Kentucky
| | - Gregory A Jicha
- Sanders-Brown Center on Aging, University of Kentucky.,Department of Neurology, College of Medicine, University of Kentucky
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Gerritsen JKW, Vincent AJPE. Exercise improves quality of life in patients with cancer: a systematic review and meta-analysis of randomised controlled trials. Br J Sports Med 2015; 50:796-803. [PMID: 26719503 DOI: 10.1136/bjsports-2015-094787] [Citation(s) in RCA: 144] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2015] [Indexed: 01/10/2023]
Abstract
PURPOSE Exercise may be associated with increased health-related quality of life (QoL) in patients with cancer, but it is not prescribed as standard care during or after cancer treatment. We systematically reviewed the methodological quality of, and summarised the evidence from, randomised controlled trials (RCTs). A meta-analysis was performed to examine the effectiveness of exercise in improving the QoL in patients with cancer, during and after medical treatment. METHODS RCTs that met the PICO (Patient Intervention Control Outcome) format were included in this study. 16 RCTs were identified through a search of Embase, Medline (OvidSP) and the Cochrane Library. These trials were reviewed for substantive results and the methodological quality was assessed using the Delphi criteria list. RESULTS Exercise interventions differed widely in content, frequency, duration and intensity. Based on the meta-analysis, exercise improved QoL significantly in patients with cancer as compared to usual care (mean difference 5.55, 95% CI (3.19 to 7.90), p<0.001). Other outcomes closely related to QoL, such as fatigue and physical functioning, also improved. CONCLUSIONS Exercise has a direct positive impact on QoL in patients with cancer, during and following medical intervention. Exercise is a clinically relevant treatment and should be an adjunct to disease therapy in oncology.
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