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Northern Manhattan Study

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https://www.readbyqxmd.com/read/28810247/physical-inactivity-predicts-slow-gait-speed-in-an-elderly-multi-ethnic-cohort-study-the-northern-manhattan-study
#1
Joshua Z Willey, Yeseon P Moon, Erin R Kulick, Ying Kuen Cheung, Clinton B Wright, Ralph L Sacco, Mitchell S V Elkind
INTRODUCTION: Gait speed is associated with multiple adverse outcomes of aging. We hypothesized that physical inactivity would be prospectively inversely associated with gait speed independently of white matter hyperintensity volume and silent brain infarcts on MRI. METHODS: Participants in the Northern Manhattan Study MRI sub-study had physical activity assessed when they were enrolled into the study. A mean of 5 years after the MRI, participants had gait speed measured via a timed 5-meter walk test...
August 16, 2017: Neuroepidemiology
https://www.readbyqxmd.com/read/28704175/age-related-differences-in-antihypertensive-medication-adherence-in-hispanics-a-cross-sectional-community-based-survey-in-new-york-city-2011-2012
#2
Priti Bandi, Emily Goldmann, Nina S Parikh, Parisa Farsi, Bernadette Boden-Albala
INTRODUCTION: US Hispanics, particularly younger adults in this population, have a higher prevalence of uncontrolled hypertension than do people of other racial/ethnic groups. Little is known about the prevalence and predictors of antihypertensive medication adherence, a major determinant of hypertension control and cardiovascular disease, and differences between age groups in this fast-growing population. METHODS: The cross-sectional study included 1,043 community-dwelling Hispanic adults with hypertension living in 3 northern Manhattan neighborhoods from 2011 through 2012...
July 13, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/28630235/ultrasound-markers-of-carotid-atherosclerosis-and-cognition-the-northern-manhattan-study
#3
Hannah Gardener, Michelle R Caunca, Chuanhui Dong, Ying Kuen Cheung, Mitchell S V Elkind, Ralph L Sacco, Tatjana Rundek, Clinton B Wright
BACKGROUND AND PURPOSE: Ultrasound markers of carotid atherosclerosis may be related to cognitive status. We hypothesized that individuals with greater carotid intima-media thickness (cIMT) and carotid plaque burden would exhibit worse cognition. METHODS: One thousand one hundred sixty-six stroke-free participants from the NOMAS (Northern Manhattan Study) underwent carotid ultrasound and neuropsychological examination. Among them, 826 underwent a second neuropsychological examination an average of 5 years later...
July 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28555103/blood-pressure-control-in-aging-predicts-cerebral-atrophy-related-to-small-vessel-white-matter-lesions
#4
Kyle C Kern, Clinton B Wright, Kaitlin L Bergfield, Megan C Fitzhugh, Kewei Chen, James R Moeller, Nooshin Nabizadeh, Mitchell S V Elkind, Ralph L Sacco, Yaakov Stern, Charles S DeCarli, Gene E Alexander
Cerebral small-vessel damage manifests as white matter hyperintensities and cerebral atrophy on brain MRI and is associated with aging, cognitive decline and dementia. We sought to examine the interrelationship of these imaging biomarkers and the influence of hypertension in older individuals. We used a multivariate spatial covariance neuroimaging technique to localize the effects of white matter lesion load on regional gray matter volume and assessed the role of blood pressure control, age and education on this relationship...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28455324/long-term-exposure-to-ambient-air-pollution-and-subclinical-cerebrovascular-disease-in-nomas-the-northern-manhattan-study
#5
Erin R Kulick, Gregory A Wellenius, Joel D Kaufman, Janet T DeRosa, Patrick L Kinney, Ying Kuen Cheung, Clinton B Wright, Ralph L Sacco, Mitchell S Elkind
BACKGROUND AND PURPOSE: Long-term exposure to ambient air pollution is associated with higher risk of cardiovascular disease and stroke. We hypothesized that long-term exposure to air pollution would be associated with magnetic resonance imaging markers of subclinical cerebrovascular disease. METHODS: Participants were 1075 stroke-free individuals aged ≥50 years drawn from the magnetic resonance imaging subcohort of the Northern Manhattan Study who had lived at the same residence for at least 2 years before magnetic resonance imaging...
July 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28453789/association-between-serum-tumor-necrosis-factor-receptor-1-and-trajectories-of-functional-status-the-northern-manhattan-study
#6
Mandip S Dhamoon, Ying-Kuen Cheung, Yeseon P Moon, Clinton B Wright, Joshua Z Willey, Ralph L Sacco, Mitchell S V Elkind
We hypothesized that tumor necrosis factor receptor 1 (TNFR1) levels are associated with long-term trajectories of functional status independently of vascular risk factors and the occurrence of stroke and myocardial infarction (MI) during follow-up. In the Northern Manhattan Study, stroke-free persons aged ≥40 years in northern Manhattan (New York, New York) had annual assessments with the Barthel index (BI) for a median of 13 years (1993-2015). Assessment of baseline demographic factors, risk factors, and laboratory studies included measurement of TNFR1 (n = 1,863)...
July 1, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28357682/quality-of-life-independently-predicts-long-term-mortality-but-not-vascular-events-the-northern-manhattan-study
#7
John W Liang, Ying Kuen Cheung, Joshua Z Willey, Yeseon P Moon, Ralph L Sacco, Mitchell S V Elkind, Mandip S Dhamoon
PURPOSE: Cardiovascular disease is a major contributor to morbidity and mortality, and prevention relies on accurate identification of those at risk. Studies of the association between quality of life (QOL) and mortality and vascular events incompletely accounted for depression, cognitive status, social support, and functional status, all of which have an impact on vascular outcomes. We hypothesized that baseline QOL is independently associated with long-term mortality in a large, multi-ethnic urban cohort...
August 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28341719/brain-perivascular-spaces-as-biomarkers-of-vascular-risk-results-from-the-northern-manhattan-study
#8
J Gutierrez, M S V Elkind, C Dong, M Di Tullio, T Rundek, R L Sacco, C B Wright
BACKGROUND AND PURPOSE: Dilated perivascular spaces in the brain are associated with greater arterial pulsatility. We hypothesized that perivascular spaces identify individuals at higher risk for systemic and cerebral vascular events. MATERIALS AND METHODS: Stroke-free participants in the population-based Northern Manhattan Study had brain MR imaging performed and were followed for myocardial infarction, any stroke, and death. Imaging analyses distinguished perivascular spaces from lesions presumably ischemic...
May 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28323321/observed-hearing-loss-and-incident-dementia-in-a-multiethnic-cohort
#9
Justin S Golub, José A Luchsinger, Jennifer J Manly, Yaakov Stern, Richard Mayeux, Nicole Schupf
OBJECTIVES: To determine whether observed hearing loss (OHL) is associated with incident dementia in a multiethnic population. DESIGN: Prospective epidemiological cohort study. SETTING: Community in northern Manhattan. PARTICIPANTS: Participants in the Washington Heights-Inwood Columbia Aging Project, a longitudinal study on aging and dementia in an ethnically diverse community (n = 1,881). MEASUREMENTS: OHL was defined when the examiner observed it or according to self-reported hearing aid use...
August 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28181636/c-reactive-protein-is-associated-with-disability-independently-of-vascular-events-the-northern-manhattan-study
#10
Mandip S Dhamoon, Ying-Kuen Cheung, Yeseon P Moon, Clinton B Wright, Joshua Z Willey, Ralph Sacco, Mitchell Sv Elkind
No abstract text is available yet for this article.
January 15, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28160312/cox-proportional-hazards-models-with-left-truncation-and-time-varying-coefficient-application-of-age-at-event-as-outcome-in-cohort-studies
#11
Minjin Kim, Myunghee Cho Paik, Jiyeong Jang, Ying K Cheung, Joshua Willey, Mitchell S V Elkind, Ralph L Sacco
When analyzing time-to-event cohort data, two different ways of choosing a time scale have been discussed in the literature: time-on-study or age at onset of disease. One advantage of choosing the latter is interpretability of the hazard ratio as a function of age. To handle the analysis of age at onset in a principled manner, we present an analysis of the Cox Proportional Hazards model with time-varying coefficient for left-truncated and right-censored data. In the analysis of Northern Manhattan Study (NOMAS) with age at onset of stroke as outcome, we demonstrate that well-established risk factors may be important only around a certain age span and less established risk factors can have a strong effect in a certain age span...
May 2017: Biometrical Journal. Biometrische Zeitschrift
https://www.readbyqxmd.com/read/28123058/procalcitonin-and-midregional-proatrial-natriuretic-peptide-as-biomarkers-of-subclinical-cerebrovascular-damage-the-northern-manhattan-study
#12
Mira Katan, Yeseon Moon, Arnold von Eckardstein, Kathartina Spanaus, Janet DeRosa, Jose Gutierrez, Charles DeCarli, Clinton Wright, Ralph Sacco, Mitchell Elkind
BACKGROUND AND PURPOSE: Chronic infections and cardiac dysfunction are risk factors for stroke. We hypothesized that blood biomarkers of infection (procalcitonin) and cardiac dysfunction (midregional proatrial natriuretic peptide [MR-proANP]), previously associated with small vessel stroke and cardioembolic stroke are also associated with subclinical cerebrovascular damage, including silent brain infarcts and white matter hyperintensity volume. METHODS: The NOMAS (Northern Manhattan Study) was designed to assess risk factors for incident vascular disease in a multiethnic cohort...
March 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28115816/sickle-cell-trait-and-renal-function-in-hispanics-in-the-united-states-the-northern-manhattan-study
#13
Nicole D Dueker, David Della-Morte, Tatjana Rundek, Ralph L Sacco, Susan H Blanton
Sickle cell anemia (SCA) is a common hematological disorder among individuals of African descent in the United States; the disorder results in the production of abnormal hemoglobin. It is caused by homozygosity for a genetic mutation in HBB; rs334. While the presence of a single mutation (sickle cell trait, SCT) has long been considered a benign trait, recent research suggests that SCT is associated with renal dysfunction, including a decrease in estimated glomerular filtration rate (eGFR) and increased risk of chronic kidney disease (CKD) in African Americans...
January 19, 2017: Ethnicity & Disease
https://www.readbyqxmd.com/read/28049199/systemic-atherosclerosis-relate-to-brain-arterial-diameters-the-northern-manhattan-study
#14
Jose Gutierrez, Tatjana Rundek, Ken Cheung, Ahmet Bagci, Noam Alperin, Ralph L Sacco, Clinton B Wright, Mitchell S V Elkind, Marco R Di Tullio
BACKGROUND: Phenotypic expressions of arterial disease vary throughout the body and it is not clear to what extent systemic atherosclerosis influences brain arterial remodeling. We aim to test the hypothesis that systemic atherosclerosis is associated with brain arterial diameters. METHODS: Stroke-free participants in the Northern Manhattan Study MRI subcohort in whom carotid ultrasound, transthoracic echocardiogram, and brain MRA (n = 482) were performed were included in this analysis...
2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/27917464/relation-of-dysglycemia-to-structural-brain-changes-in-a-multiethnic-elderly-cohort
#15
Christiane Reitz, Vanessa A Guzman, Atul Narkhede, Charles DeCarli, Adam M Brickman, José A Luchsinger
OBJECTIVES: Abnormally high glucose levels (dysglycemia) increase with age. Epidemiological studies suggest that dysglycemia is a risk factor for cognitive impairment but the underlying pathophysiological mechanisms remain unclear. The objective of this study was to examine the relation of dysglycemia clinical categories (normal glucose tolerance (NGT), pre-diabetes, undiagnosed diabetes, known diabetes) with brain structure in older adults. We also assessed the relation between dysglycemia and cognitive performance...
February 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27896693/capsule-commentary-on-cheung-et-al-leisure-time-physical-activity-and-cardiovascular-mortality-in-an-elderly-population-in-northern-manhattan-a-prospective-cohort-study
#16
William Cheung
No abstract text is available yet for this article.
February 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/27888180/northern-manhattan-hispanic-caregiver-intervention-effectiveness-study-protocol-of-a-pragmatic-randomised-trial-comparing-the-effectiveness-of-two-established-interventions-for-informal-caregivers-of-persons-with-dementia
#17
José A Luchsinger, Louis Burgio, Mary Mittelman, Ilana Dunner, Jed A Levine, Jian Kong, Stephanie Silver, Mildred Ramirez, Jeanne A Teresi
INTRODUCTION: The prevalence of dementia is increasing without a known cure, resulting in an increasing number of informal caregivers. Caring for a person with dementia results in increased stress and depressive symptoms. There are several behavioural interventions designed to alleviate stress and depressive symptoms in caregivers of persons with dementia with evidence of efficacy. Two of the best-known interventions are the New York University Caregiver Intervention (NYUCI) and the Resources for Enhancing Alzheimer's Caregivers Health (REACH)...
November 25, 2016: BMJ Open
https://www.readbyqxmd.com/read/27752879/leisure-time-physical-activity-and-cardiovascular-mortality-in-an-elderly-population-in-northern-manhattan-a-prospective-cohort-study
#18
Ying Kuen Cheung, Yeseon P Moon, Erin R Kulick, Ralph L Sacco, Mitchell S V Elkind, Joshua Z Willey
BACKGROUND: Previous studies of exercise have focused on measuring physical activity in totality using summary statistics such as metabolic equivalent score for total intensity or total energy count. OBJECTIVE: We aimed to examine the multidimensionality of leisure-time physical activity (LTPA) and to identify the specific LTPA components that were associated with cardiovascular mortality in the elderly. DESIGN AND PARTICIPANTS: The Northern Manhattan Study (NOMAS) is a multiethnic prospective cohort of elderly stroke-free individuals consisting of a total of 3298 participants recruited between 1993 and 2001, with a median follow-up of 17 years...
February 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/27744306/c-reactive-protein-is-associated-with-disability-independently-of-vascular-events-the-northern-manhattan-study
#19
Mandip S Dhamoon, Ying-Kuen Cheung, Yeseon P Moon, Clinton B Wright, Joshua Z Willey, Ralph Sacco, Mitchell Sv Elkind
BACKGROUND: high-sensitivity C-reactive protein (CRP) has been associated with cardiovascular events and mortality, but the association of CRP with functional status is not well defined. We hypothesised that serum levels of high-sensitivity CRP are associated with long-term trajectories of functional status independently of vascular risk factors and stroke and myocardial infarction (MI) occurring during follow-up. DESIGN: prospective, population-based. SETTING: northern Manhattan Study...
October 15, 2016: Age and Ageing
https://www.readbyqxmd.com/read/27694044/physical-activity-black-carbon-exposure-and-airway-inflammation-in-an-urban-adolescent-cohort
#20
Stephanie Lovinsky-Desir, Kyung Hwa Jung, Andrew G Rundle, Lori A Hoepner, Joshua B Bautista, Frederica P Perera, Steven N Chillrud, Matthew S Perzanowski, Rachel L Miller
OBJECTIVE: Regular physical activity can improve cardiopulmonary health; however, increased respiratory rates and tidal volumes during activity may increase the effective internal dose of air pollution exposure. Our objective was to investigate the impact of black carbon (BC) measured by personal sampler on the relationship between physical activity and fractional exhaled nitric oxide (FeNO), a marker of airway inflammation. We hypothesized that higher personal BC would attenuate the protective effect of physical activity on airway inflammation...
November 2016: Environmental Research
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