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Dziopa K, Chaturvedi N, Asselbergs FW, Schmidt AF. Identifying and ranking novel independent features for cardiovascular disease prediction in people with type 2 diabetes. medRxiv 2023:2023.10.23.23297398. [PMID: 37961704 PMCID: PMC10635178 DOI: 10.1101/2023.10.23.23297398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Background CVD prediction models do not perform well in people with diabetes. We therefore aimed to identify novel predictors for six facets of CVD, (including coronary heart disease (CHD), Ischemic stroke, heart failure (HF), and atrial fibrillation (AF)) in people with T2DM. Methods Analyses were conducted using the UK biobank and were stratified on history of CVD and of T2DM: 459,142 participants without diabetes or a history of CVD, 14,610 with diabetes but without CVD, and 4,432 with diabetes and a history of CVD. Replication was performed using a 20% hold-out set, ranking features on their permuted c-statistic. Results Out of the 600+ candidate features, we identified a subset of replicated features, ranging between 32 for CHD in people with diabetes to 184 for CVD+HF+AF in people without diabetes. Classical CVD risk factors (e.g. parental or maternal history of heart disease, or blood pressure) were relatively highly ranked for people without diabetes. The top predictors in the people with diabetes without a CVD history included: cystatin C, self-reported health satisfaction, biochemical measures of ill health (e.g. plasma albumin). For people with diabetes and a history of CVD top features were: self-reported ill health, and blood cell counts measurements (e.g. red cell distribution width). We additionally identified risk factors unique to people with diabetes, consisting of information on dietary patterns, mental health and biochemistry measures. Consideration of these novel features improved risk classification, for example per 1000 people with diabetes 133 CVD and 165 HF cases appropriately received a higher risk. Conclusion Through data-driven feature selection we identified a substantial number of features relevant for prediction of cardiovascular risk in people with diabetes, the majority of which related to non-classical risk factors such as mental health, general illness markers, and kidney disease.
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Affiliation(s)
- K Dziopa
- Institute of Health Informatics, University College London, London, United Kingdom
- Institute of Cardiovascular Science, Faculty of Population Health Sciences, University College London, London, United Kingdom
- Department of Cardiology, Amsterdam Cardiovascular Science, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands
| | - N Chaturvedi
- MRC Unit for Lifelong Health and Ageing at UCL, University College London, London, United Kingdom
| | - F W Asselbergs
- Institute of Health Informatics, University College London, London, United Kingdom
- Department of Cardiology, Amsterdam Cardiovascular Science, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands
- The National Institute for Health Research UCL Hospitals Biomedical Research Centre, University College London, London, United Kingdom
| | - A F Schmidt
- Institute of Cardiovascular Science, Faculty of Population Health Sciences, University College London, London, United Kingdom
- Department of Cardiology, Amsterdam Cardiovascular Science, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands
- UCL BHF Research Accelerator Centre, London, UK
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Chakraborty S, Bhat AM, Mushtaq I, Luan H, Kalluchi A, Mirza S, Storck MD, Chaturvedi N, Lopez-Guerrero JA, Llombart-Bosch A, Machado I, Scotlandi K, Meza JL, Ghosal G, Coulter DW, Jordan Rowley M, Band V, Mohapatra BC, Band H. EHD1-dependent traffic of IGF-1 receptor to the cell surface is essential for Ewing sarcoma tumorigenesis and metastasis. Commun Biol 2023; 6:758. [PMID: 37474760 PMCID: PMC10359273 DOI: 10.1038/s42003-023-05125-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 07/10/2023] [Indexed: 07/22/2023] Open
Abstract
Overexpression of the EPS15 Homology Domain containing 1 (EHD1) protein has been linked to tumorigenesis but whether its core function as a regulator of intracellular traffic of cell surface receptors plays a role in oncogenesis remains unknown. We establish that EHD1 is overexpressed in Ewing sarcoma (EWS), with high EHD1 mRNA expression specifying shorter patient survival. ShRNA-knockdown and CRISPR-knockout with mouse Ehd1 rescue established a requirement of EHD1 for tumorigenesis and metastasis. RTK antibody arrays identified IGF-1R as a target of EHD1 regulation in EWS. Mechanistically, we demonstrate a requirement of EHD1 for endocytic recycling and Golgi to plasma membrane traffic of IGF-1R to maintain its surface expression and downstream signaling. Conversely, EHD1 overexpression-dependent exaggerated oncogenic traits require IGF-1R expression and kinase activity. Our findings define the RTK traffic regulation as a proximal mechanism of EHD1 overexpression-dependent oncogenesis that impinges on IGF-1R in EWS, supporting the potential of IGF-1R and EHD1 co-targeting.
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Affiliation(s)
- Sukanya Chakraborty
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Aaqib M Bhat
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Insha Mushtaq
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Incyte Corporation, Wilmington, DE, USA
| | - Haitao Luan
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Achyuth Kalluchi
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Sameer Mirza
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Department of Chemistry, College of Science, United Arab Emirates University, Al Ain, UAE
| | - Matthew D Storck
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Nagendra Chaturvedi
- Department of Pediatrics, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | | | - Antonio Llombart-Bosch
- Department of Pathology, University of Valencia, Avd. Blasco Ibáñez 15, 46010, Valencia, Spain
| | - Isidro Machado
- Department of Pathology, University of Valencia, Avd. Blasco Ibáñez 15, 46010, Valencia, Spain
| | - Katia Scotlandi
- Laboratory of Experimental Oncology, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Jane L Meza
- Department of Biostatistics, College of Public Health, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Gargi Ghosal
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Donald W Coulter
- Department of Pediatrics, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - M Jordan Rowley
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Vimla Band
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Bhopal C Mohapatra
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
| | - Hamid Band
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
- Department of Biostatistics, College of Public Health, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
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3
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Chakraborty S, Bhat AM, Mushtaq I, Luan H, Kalluchi A, Mirza S, Storck MD, Chaturvedi N, Lopez-Guerrero JA, Llombart-Bosch A, Machado I, Scotlandi K, Meza JL, Ghosal G, Coulter DW, Rowley JM, Band V, Mohapatra BC, Band H. EHD1-dependent traffic of IGF-1 receptor to the cell surface is essential for Ewing sarcoma tumorigenesis and metastasis. bioRxiv 2023:2023.01.15.524130. [PMID: 36711452 PMCID: PMC9882098 DOI: 10.1101/2023.01.15.524130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Overexpression of EPS15 Homology Domain containing 1 (EHD1) has been linked to tumorigenesis but whether its core function as a regulator of intracellular traffic of cell surface receptors plays a role in oncogenesis remains unknown. We establish that EHD1 is overexpressed in Ewing sarcoma (EWS), with high EHD mRNA expression specifying shorter patient survival. ShRNA and CRISPR-knockout with mouse Ehd1 rescue established a requirement of EHD1 for tumorigenesis and metastasis. RTK antibody arrays identified the IGF-1R as a target of EHD1 regulation in EWS. Mechanistically, we demonstrate a requirement of EHD1 for endocytic recycling and Golgi to plasma membrane traffic of IGF-1R to maintain its surface expression and downstream signaling. Conversely, EHD1 overexpression-dependent exaggerated oncogenic traits require IGF-1R expression and kinase activity. Our findings define the RTK traffic regulation as a proximal mechanism of EHD1 overexpression-dependent oncogenesis that impinges on IGF-1R in EWS, supporting the potential of IGF-1R and EHD1 co-targeting.
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4
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Topriceanu C, Weber M, Fiona C, Moon JC, Chaturvedi N, Hughes AD, Schott J, Richards M, Captur G. Heterozygous APOE ε4 carriage associates with improved myocardial efficiency in older age. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Carriage of the ancestral APOE ε4 allele confers a risk of developing Alzheimer's and coronary artery disease, but its persistence in human populations also suggests some potential survival advantages. To date it remains unclear whether APOE ε4 carriage independently associates with a better or worse long-term cardiac phenotype.
Purpose
Using data from the 1946 National Survey of Health and Development (NSHD) birth cohort, we investigated whether APOE ε4 carriage associates with adverse or beneficial left ventricular (LV) size and function parameters by echocardiography in older age.
Methods
Based on the presence or absence of APOE ε4, genotypes were divided into: non-APOE ε4 (ε2ε2, ε2ε3, ε3ε3), heterozygous-APOE ε4 (ε2ε4 and ε3ε4) and homozygous-APOE ε4 (ε4ε4). Echocardiographic data at 60–64 years included: left ventricular ejection fraction (LV EF), E/e', systolic and diastolic LV posterior wall and interventricular septal thickness (LVPWTs/d, IVSs/d), and body-surface area indexed LV mass (LVmassi) and myocardial contraction fraction (MCFi). Generalized linear models explored associations between APOE ε4 genotypes as exposures and echocardiographic biomarkers as outcomes. As a combination of gene variants, APOE ε genotype is expected to be an instrumental variable and therefore unconfounded. Thus, Model 1 was unadjusted. To obtain more precise regression estimates, Model 2 was adjusted for factors associated with the outcome, namely sex and socio-economic position (SEP). To explore the mechanistic pathway downstream of APOE ε genotype but upstream of the echocardiographic outcomes, subsequent models were adjusted for mediators as follows: Model 3 for body mass index, Model 4 for the presence of cardiovascular disease (CVD), Model 5 for diabetes, Model 6 for high cholesterol and Model 7 for hypertension.
Results
1464 participants were included. Compared to non-APOE ε4 and homozygous groups, heterozygous-APOE ε4 individuals had similar cardiac phenotypes in terms of EF, E/e', LVPWTs/d, IVSs/d and LVmassi but had a 7% higher MCFi 95% confidence interval [CI]: 1%-13%, p=0.017) which persisted even after adjustment for sex and SEP (95% CI 1%-12%, p=0.026) that was attenuated to 6% after adjustment for CVD (95% CI 0–13% p=0.050) and hypertension (95% CI 1–13% p=0.022).
Conclusion
The heterozygous-APOE ε4 state associates with improved myocardial shortening in older age resulting in greater LV stroke volume generation per 1 mL of myocardium. As we found no association between APOE ε4 carriage and LVPWTs/d, IVSs/d or LVmassi, MCFi enhancement may be mediated by improved myocardial energetics and contractility, with calcium and androgens potentially implicated, rather than through pathological ventricular thickening. Although a dose relationship is normally expected with ε4 carriage, any benefit from increased energetics and contractility is likely to be counterbalances by the higher risk of CVD and cardiovascular risk factors.
Funding Acknowledgement
Type of funding sources: Public grant(s) – National budget only. Main funding source(s): UK Medical Research Council British Heart Foundation
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Affiliation(s)
- C Topriceanu
- University College London, UCL Institute of Cardiovascular Science , London , United Kingdom
| | - M Weber
- University College London, UCL Institute of Cardiovascular Science , London , United Kingdom
| | - C Fiona
- University College London, UCL Institute of Cardiovascular Science , London , United Kingdom
| | - J C Moon
- Barts Heart Centre , London , United Kingdom
| | - N Chaturvedi
- University College London, UCL MRC Unit of Lifelong Health and Ageing , London , United Kingdom
| | - A D Hughes
- University College London, UCL MRC Unit of Lifelong Health and Ageing , London , United Kingdom
| | - J Schott
- University College London, UCL MRC Unit of Lifelong Health and Ageing , London , United Kingdom
| | - M Richards
- University College London, UCL MRC Unit of Lifelong Health and Ageing , London , United Kingdom
| | - G Captur
- University College London, UCL MRC Unit of Lifelong Health and Ageing , London , United Kingdom
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5
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Joshi R, Wannamethee G, Engmann J, Gaunt T, Lawlor D, Price J, Tillin T, Chaturvedi N, Kivimaki M, Hughes A, Wong A, Hingorani A, Schmidt A. Association of triglyceride and cholesterol content in fourteen lipoprotein subfractions with coronary heart disease: A mendelian randomisation analysis. Atherosclerosis 2022. [DOI: 10.1016/j.atherosclerosis.2022.06.425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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6
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Al Saikhan L, Park C, Tillin T, Williams S, Jones S, Manisty C, Mayet J, Chaturvedi N, Hughes A. Myocardial strain by 3D-speckle tracking echocardiography predicts long-term risk of cardiovascular morbidity and mortality in the general population: the Southall And Brent Revisited (SABRE) study. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Both left ventricular (LV) ejection fraction (EF) and Global Longitudinal Strain (GLS) by 2D-echocardiography predict mortality and cardiac events, and GLS may be superior to EF. 3D-speckle tracking echocardiography (3D-STE), a recently validated method, allows simultaneous assessment of EF, GLS and principal tangential strain (PTS), but its prognostic utility in the general population is unknown.
Purpose
We hypothesized that 3D-STE derived LV myocardial strains predict a composite of cardiac endpoints, and that GLS would be a better prognostic marker than EF. We also investigated the utility of PTS compared with GLS and EF.
Methods
A total of 529 individuals (69±6y; 76.6% male) from SABRE study, a UK-based tri-ethnic community cohort, underwent health examinations. The association between 3D-STE EF or multidirectional myocardial strains and a composite cardiac endpoints comprising coronary heart disease (fatal/non-fatal), heart failure hospitalization, new-onset arrhythmia was determined using Cox proportional hazards models with and without adjustment for potential confounders and Harrell's C statistics were calculated. Associations with cardiovascular (CV) mortality was examined as a secondary objective. The incremental value of 3D-STE EF, GLS and PTS in improving CV risk stratification by the established Framingham risk score (FRS) was investigated using a likelihood ratio test on a series of nested Cox proportional hazards models.
Results
During follow-up (median, 8y), there were 56 composite cardiac endpoints and 24 CV deaths. EF and radial strain were negatively associated, while GLS, global circumferential strain and PTS were positively associated with the composite cardiac endpoints in unadjusted models (Table 1). Associations were only marginally affected by adjustment for potential confounders although confidence intervals of the estimate increased slightly (Table 1). There was little difference in the C-statistics for EF, GLS or PTS for the composite cardiac endpoints (Table 1). Associations with CV mortality were generally weaker and only GLS showed some evidence of a positive association with CV mortality in unadjusted and adjusted models (Table 1). Compared to EF and GLS, PTS most improved the predictive value (model fit) of FRS for composite cardiac endpoints (Table 2). None of the measures convincingly improved calibration for CV mortality.
Conclusions
3D-STE-derived LV myocardial strains predicted adverse cardiac events and CV mortality in a multi-ethnic sample of the UK general population. PTS/3D-strain was an independent predictor of cardiac events with some evidence of it being a slightly better predictor than conventional indices of LV function (GLS and EF). Future prospective studies are needed to confirm and extend these findings.
Funding Acknowledgement
Type of funding sources: Foundation. Main funding source(s): The main SABRE study is supported by the Wellcome Trust and BHF.
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Affiliation(s)
- L Al Saikhan
- University College London, Institute of Cardiovascular Sciences/MRC Unit for LHA/School of Life and Medical Sciences, London, United Kingdom
| | - C Park
- University College London, Institute of Cardiovascular Sciences/MRC Unit for LHA/School of Life and Medical Sciences, London, United Kingdom
| | - T Tillin
- University College London, Institute of Cardiovascular Sciences/MRC Unit for LHA/School of Life and Medical Sciences, London, United Kingdom
| | - S Williams
- University College London, Institute of Cardiovascular Sciences/MRC Unit for LHA/School of Life and Medical Sciences, London, United Kingdom
| | - S Jones
- University College London, Institute of Cardiovascular Sciences/MRC Unit for LHA/School of Life and Medical Sciences, London, United Kingdom
| | - C Manisty
- University College London, Institute of Cardiovascular Sciences/MRC Unit for LHA/School of Life and Medical Sciences, London, United Kingdom
| | - J Mayet
- Imperial College London, Imperial College Healthcare NHS Trust, London, United Kingdom
| | - N Chaturvedi
- University College London, Institute of Cardiovascular Sciences/MRC Unit for LHA/School of Life and Medical Sciences, London, United Kingdom
| | - A Hughes
- University College London, Institute of Cardiovascular Sciences/MRC Unit for LHA/School of Life and Medical Sciences, London, United Kingdom
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Walford HCJ, Hughes AH, Charakida M, Chaturvedi N, Deanfield JE, Howe LD, Lawlor DA, Rapala A, Relton CL, Park CM. Arterial stiffness increase from adolescence to young adulthood is accelerated by smoking and alcohol use. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Smoking tobacco and drinking alcohol are associated with increased arterial stiffness, a critical intermediate endpoint for cardiovascular disease, in adults and in teenagers. The relationship between these risky behaviours and changes in arterial stiffness from late adolescence to early adulthood is not known.
Purpose
To investigate associations between smoking and drinking habits and the change in arterial stiffness between ages 17 and 24 using a large population-based cohort.
Methods
Participants underwent repeated measurements of arterial stiffness (carotid-femoral pulse wave velocity (cfPWV)), anthropometrics, resting blood pressure and blood biomarkers, at ages 17 and 24 years. Participants were grouped and scored by alcohol (never, medium intensity (MI): ≤4 drinks on a typical day of drinking, high intensity (HI): >5) and smoking (never, past, MI, <10 cigarettes a day HI, ≥10) exposure at both clinics. Average scores between clinics were taken (scores 0–5) and composite alcohol (never, MI, HI) and smoking (never, past, MI, HI) groups were created. Multivariable regression analysis was performed to investigate associations between smoking/drinking habits and change in cfPWV from 17 to 24 years (ΔPWV). Associations were adjusted for age, gender, and socioeconomic status (model 1). Model 2 was additionally adjusted for body mass index, systolic blood pressure, LDL cholesterol, glucose, and C-reactive protein at age 24. Data are presented as means (95% confidence intervals).
Results
1,655 participants (1,013 females and 642 males) had cfPWV recorded at both ages. cfPWV increased from 17 to 24 years in both women (ΔPWV 0.56m/s (0.50, 0.62), p<0.001) and men (0.65m/s (0.56, 0.74), p<0.001). There was a 0.05m/s (0.00, 0.10) increase in ΔPWV per 1 unit increase in average alcohol score (p=0.039). Compared to never drinkers, ΔPWV increased by 0.18m/s (−0.03, 0.38) in MI (p=0.09), and 0.21m/s (−0.01, 0.41) in HI drinkers (p=0.055). There was no association between ΔPWV and average smoking score (β=0.03m/s (−0.03, 0.08), p=0.4). Compared to never smokers, HI smokers had a slightly greater ΔPWV (0.17m/s (−0.08, 0.42), p=0.18). After stratifying by sex, this difference was evident in women (0.32m/s (0.04, 0.60), p=0.028) while no association was seen in men (−0.12m/s (−0.59, 0.35), p=0.6). No differences were found between never-smokers and ex-smokers (difference = 0.04m/s (−0.08, 0.16), p=0.5). Adjustment for potential confounders (model 2) did not attenuate these associations. Figure shows estimated marginal means for ΔPWV between (a) alcohol and (b) smoking groups from model 1. Error bars represent 95% confidence intervals.
Conclusion
Smoking and alcohol use in young adulthood is associated with an accelerated increase in arterial stiffness, with evidence of a graded adverse association for alcohol. Our findings also suggest that adverse effects of smoking in youth may be reversible with smoking cessation.
Funding Acknowledgement
Type of funding sources: Foundation. Main funding source(s): British Heart Foundation
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Affiliation(s)
- H C J Walford
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - A H Hughes
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - M Charakida
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - N Chaturvedi
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - J E Deanfield
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - L D Howe
- University of Bristol, MRC Integrative Epidemiology Unit, Bristol, United Kingdom
| | - D A Lawlor
- University of Bristol, MRC Integrative Epidemiology Unit, Bristol, United Kingdom
| | - A Rapala
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - C L Relton
- University of Bristol, MRC Integrative Epidemiology Unit, Bristol, United Kingdom
| | - C M Park
- University College London, Institute of Cardiovascular Science, London, United Kingdom
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Joshi R, Hingorani A, Engmann J, Dale C, Gaunt T, Jefferis B, Lawlor D, Price J, Papacosta O, Shah T, Tillin T, Chaturvedi N, Kivimaki M, Kuh D, Kumari M, Hughes A, Whincup P, Casas J, Humphries S, Schmidt A, Wannamethee S. Establishing reference intervals for triglyceride containing lipoprotein sub-fraction metabolites measured using nuclear magnetic resonance spectroscopy in a UK population. Atherosclerosis 2020. [DOI: 10.1016/j.atherosclerosis.2020.10.295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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9
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Vyas M, Chaturvedi N, Hughes A, Marmot M, Tillin T. Cardiovascular disease recurrence and long-term mortality in a tri-ethnic British cohort: a retrospective study. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
People of South Asian and of African Caribbean descent have elevated risks of some cardiovascular diseases compared to Europeans. How ethnicity relates to recurrent risk, and explanations for between ethnic group differences in recurrence are unclear. We characterized long-term risk of major adverse cardiovascular event (MACE) and mortality following a non-fatal cardiovascular event in a tri-ethnic British cohort.
Methods
We linked hospital and mortality records of a population-based cohort of South Asian, African Caribbean and European men and women aged 40–69 years with no prior history of cardiovascular disease. We identified index and recurrent cardiovascular events (stroke, transient ischaemic attack, myocardial infarction, or ischaemic heart disease), and mortality from 1988 to 2017. Using multivariable proportional hazards models, we separately calculated the adjusted hazard ratios (HR) of MACE and death following index event. We adjusted for demographics, vascular and lifestyle risk factors. We used interaction terms to evaluate if diabetes or decade of index event modified the association between ethnicity and outcomes.
Results
We included 801 participants with first non-fatal cardiovascular events, 647 coronary and 127 cerebrovascular, of whom 335 (41.8%) were European, 396 (49.5%) South Asian, and 70 (8.7%) African Caribbean. During a mean follow-up of 5.3 years, 537 patients developed MACE and 338 died. Crude incidence rate of MACE was higher in South Asians (135.9 per 1000-person-years) compared to Europeans (117.1) and African Caribbeans (123.6). Higher risk of MACE in South Asian compared to Europeans was eliminated in the adjusted models (HR 0.97, 95% confidence interval 0.77–1.21), whereas their mortality advantage was eliminated when the younger age at index event was accounted for (HR 0.95, 0.72–1.26). African Caribbeans had similar outcomes to Europeans (HR MACE 1.04, 0.74–1.47; and HR death 1.07, 0.70–1.64). There was no modification by diabetes for outcomes, whereas survival following index event improved more in South Asian, than African Caribbean, compared to European over three decades (Pinteraction = 0.04).
Conclusions
Baseline vascular risk factors explained the observed ethnic variation in cardiovascular disease recurrence and long-term mortality, with a relative improvement in survival of minority ethnic groups over time.
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): UK Medical Research Council, Wellcome Trust
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Affiliation(s)
- M Vyas
- University of Toronto, Toronto, Canada
| | - N Chaturvedi
- University College London, Medical Research Council Unit for Lifelong Health and Ageing, London, United Kingdom
| | - A Hughes
- University College London, Medical Research Council Unit for Lifelong Health and Ageing, London, United Kingdom
| | - M Marmot
- University College London, Institute of Health Equity, London, United Kingdom
| | - T Tillin
- University College London, Medical Research Council Unit for Lifelong Health and Ageing, London, United Kingdom
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10
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Mathur R, Palla L, Farmer RE, Chaturvedi N, Smeeth L. Ethnic differences in the severity and clinical management of type 2 diabetes at time of diagnosis: A cohort study in the UK Clinical Practice Research Datalink. Diabetes Res Clin Pract 2020; 160:108006. [PMID: 31923438 PMCID: PMC7042884 DOI: 10.1016/j.diabres.2020.108006] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 12/15/2019] [Accepted: 01/02/2020] [Indexed: 11/21/2022]
Abstract
AIMS To characterize ethnic differences in the severity and clinical management of type 2 diabetes at initial diagnosis. METHODS An observational cohort study of 179,886 people with incident type 2 diabetes between 2004 and 2017 in the Clinical Practice Research Datalink was undertaken; 63.4% of the cohort were of white ethnicity, 3.9% south Asian, and 1.6% black. Ethnic differences in clinical profile at diagnosis, consultation rates, and risk factor recording were derived from linear and logistic regression. Cox-proportional hazards regression was used to determine ethnic differences in time to initiation of therapeutic and non-therapeutic management following diagnosis. All analyses adjusted for age, sex, deprivation, and clustering by practice. RESULTS In the 12 months prior to diagnosis, non-white groups had fewer consultations compared to white groups, but risk factor recording was better than or equivalent to white groups for 9/10 risk factors for south Asian groups and 8/10 risk factors for black groups (p < 0.002). Blood pressure, BMI, cholesterol, eGFR, and CVD risk levels were more favourable in non-white groups, and prevalence of macrovascular disease was significantly lower (p < 0.003). Time to initiation of antidiabetic treatment and first risk assessment was faster in non-white groups relative to white groups, while time to risk factor measurement and diabetes review was slower. CONCLUSIONS We find limited evidence of systematic ethnic inequalities around the time of type 2 diabetes diagnosis. Ethnic disparities in downstream consequences may relate to genetic risk factors, or manifest later in the care pathway, potentially in relation to long-term risk factor control.
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Affiliation(s)
- R Mathur
- London School of Hygiene & Tropical Medicine, Department of Non-Communicable Disease Epidemiology, Keppel Street, London WC1E 7HT, UK.
| | - L Palla
- London School of Hygiene & Tropical Medicine, Department of Non-Communicable Disease Epidemiology, Keppel Street, London WC1E 7HT, UK.
| | - R E Farmer
- London School of Hygiene & Tropical Medicine, Department of Non-Communicable Disease Epidemiology, Keppel Street, London WC1E 7HT, UK.
| | - N Chaturvedi
- University College London, Institute of Cardiovascular Sciences, Gower Street, London WC1E 6BT, UK.
| | - L Smeeth
- London School of Hygiene & Tropical Medicine, Department of Non-Communicable Disease Epidemiology, Keppel Street, London WC1E 7HT, UK.
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11
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Chaturvedi N, Kamien RD. Gnomonious projections for bend-free textures: thoughts on the splay-twist phase. Proc Math Phys Eng Sci 2020; 476:20190824. [PMID: 32201482 PMCID: PMC7069486 DOI: 10.1098/rspa.2019.0824] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 01/14/2020] [Indexed: 11/12/2022] Open
Abstract
The Hopf fibration has inspired any number of geometric structures in physical systems, in particular, in chiral liquid crystalline materials. Because the Hopf fibration lives on the three sphere,S 3 , some method of projection or distortion must be employed to realize textures in flat space. Here, we explore the geodesic-preserving gnomonic projection of the Hopf fibration, and show that this could be the basis for a new liquid crystalline texture with only splay and twist. We outline the structure and show that it is defined by the tangent vectors along the straight line rulings on a series of hyperboloids. The phase is defined by a lack of bend deformations in the texture, and is reminiscent of the splay-bend and twist-bend nematic phases. We show that domains of this phase may be stabilized through anchoring and saddle-splay.
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Affiliation(s)
| | - Randall D. Kamien
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104-6396, USA
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12
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Gurmukhani S, Saradava N, Chaturvedi N, Shah S, Patel T. Prevelance of Anatomical Vascular Problems during Transradial Coronary Catheterization. Indian Heart J 2019. [DOI: 10.1016/j.ihj.2019.11.181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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13
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Park CM, Taylor H, Jones S, Rapala A, Williams S, Howe L, Fraser A, Chaturvedi N, Hughes AD. 4950Adiposity gain from 17 to 25 years has a substantial effect on cardiac structure, independent of haemodynamics. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
Body mass index (BMI) is independently associated with increased left ventricle mass (LVM) and remodeling in children. However associations from adolescence to emerging adulthood are unknown.
Purpose
To investigate associations between the change (Δ) in BMI to Δ in cardiac structure from 17 to 25 yrs using a large population-based sample of echocardiography in youth, and to explore the role of possible haemodynamic mediators.
Methods
901 participants (61% female) underwent echocardiography, anthropometry and sitting blood pressure (BP) measurements aged 17 yrs and had repeated measures aged 25 yrs. BMI, LVM, concentricity0.67 (LVM/end-diastolic volume0.67), total arterial compliance (TACI), peripheral resistance (TPR) and effective arterial elastance (Ea) were calculated. Regression analysis was used to investigate associations between ΔBMI and ΔLVM indexed to height2.7 (ΔLVMI) and Δconcentricity0.67.
Results
From 17 to 25 yrs BMI increased by 2.05±2.1 g/m2 in males and 1.80±3.1 kg/m2 in females, LVMI increased by 3.10±6.2g/m2.7 and 2.01±6.0g/m2.7 and concentricity0.67 increased by 0.91±1.2g/ml0.67 and 0.03±1.1g/ml0.67. ΔBMI was associated with ΔLVMI and Δconcentricity0.67 independently of age, socioeconomic status (SES) and smoking status. Haemodynamic measures did not substantially mediate these associations.
Table 1 ΔLVMI (g/m2.7) ΔConcentricity0.67 (g/m0.67) Males Females Males Females Model 1: Age, SES and smoking @25 0.78±0.15** 0.53±0.08** 0.12±0.03** 0.083±0.02** + ΔSystolic BP (mmHg) 0.68±0.16** 0.46±0.09** 0.10±0.03* 0.069±0.016** + ΔDiastolic BP (mmHg) 0.83±0.16** 0.47±0.08** 0.12±0.03** 0.074±0.015** + ΔMean Arterial Pressure (mmHg) 0.77±0.17** 0.46±0.08** 0.11±0.03** 0.069±0.015** + ΔPulse Pressure (mmHg) 0.72±0.15** 0.54±0.08** 0.11±0.03** 0.083±0.015** + ΔTACI (ml/m2/mmHg) 0.68±0.16** 0.53±0.08 0.12±0.03** 0.091±0.015** + ΔTPR (mmHg/min/L) 0.76±0.17** 0.65±0.08** 0.10±0.03* 0.072±0.016** + ΔEa (mmHg/ml) 0.73±0.17** 0.54±0.08** 0.11±0.03** 0.083±0.015** Data are β±SE. *p<0.01, **p<0.0001.
Discussion
BMI gain from adolescence to emerging adulthood has a substantial effect on cardiac structure, independent of haemodynamics. These findings highlight the importance of weight control in early adulthood for good cardiovascular health.
Acknowledgement/Funding
BHF
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Affiliation(s)
- C M Park
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - H Taylor
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - S Jones
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - A Rapala
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - S Williams
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - L Howe
- University of Bristol, Population Health Sciences, Bristol, United Kingdom
| | - A Fraser
- University of Bristol, Population Health Sciences, Bristol, United Kingdom
| | - N Chaturvedi
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - A D Hughes
- University College London, Institute of Cardiovascular Science, London, United Kingdom
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14
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Al Saikhan L, Park C, Tillin T, Williams S, Mayet J, Chaturvedi N, Hughes A. P2444Comparison of 3D and 2D echocardiography-derived indices of left ventricular function and structure to predict long-term mortality in the general population: Southall And Brent Revisited (SABRE) study. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0776] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background
Three-dimensional echocardiography (3DE) may have advantages over two-dimensional echocardiography (2DE) for the assessment of left ventricular (LV) function and structure. However, studies comparing 3DE and 2DE-derived indices in relation to mortality are limited, particularly in the general population.
Purpose
We examined associations between 2DE and 3DE-derived LV ejection fractions (LVEF) and volumes for all-cause mortality in a population-based sample.
Methods
A total of 899 individuals (age, 69.6±6.1 years; 77.5%male) from the SABRE study, a UK-based tri-ethnic community cohort, underwent a comprehensive transthoracic echocardiography examination. 2D LVEF and volumes were calculated, and full-volume 3D LV datasets acquired over 4 sub-volumes were obtained using a matrix-array transducer and were analysed offline using Qlab advanced, v7.0. The associations between both 2D- and 3D-derived LVEF (≥55% vs. <55%), body surface area indexed end-diastolic volume (iEDV) and end-systolic volume (iESV), and all-cause mortality were determined using Cox proportional hazards models. Survival curves were constructed using the Kaplan-Meier method.
Results
Of the 899 individuals, 118 (13.1%) died over a median follow-up period of 8 years to 2018. Kaplan Meier survival estimates (Figure 1 illustrates LVEF) and Cox regression revealed that 2D and 3D LVEF, iEDV and iESV were associated with increased risk of all-cause mortality (LVEF (≥55% vs. <55%), 3DE: HR=0.53 (0.35, 0.80); 2DE: HR=0.51 (0.34, 0.75), iEDV (per 1SD increment), 3DE: HR=1.20 (1.0, 1.41); 2DE: HR=1.19 (1.0–1.41), iESV (per 1SD increment), 3DE: HR=1.27 (1.1, 1.52), 2DE: HR=1.32 (1.15, 0.1.51)). However, 3DE associations tended to be stronger in models adjusted for classical risk factors including age, sex, ethnicity, systolic blood pressure, cholesterol:HDL ratio, body mass index, antihypertensive medications, diabetes, and smoking (LVEF (≥55% vs. <55%), 3DE: HR=0.59 (0.39, 0.90); 2DE: HR=0.69 (0.46, 1.0), iEDV (per 1SD increment), 3DE: HR=1.20 (1.0, 1.41); 2DE: HR=1.10 (0.93, 1.31), iESV (per 1SD increment), 3DE: HR=1.27 (1.1, 1.52), 2DE: HR=1.20 (1.04, 0.1.39)).
Figure 1. Kaplan-Meier curves.
Conclusions
In this population-based study, both 2DE and 3DE-derived indices of LV structure and function were associated with all-cause mortality independently of classical risk factors, with some indication that strengths of association were greater for 3DE-derived indices.
Acknowledgement/Funding
SABRE is funded by BHF, Diabetes UK, the MRC and the Wellcome Trust. LA holds a scholarship grant from Imam Abdulrahman Bin Faisal University, SA
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Affiliation(s)
- L Al Saikhan
- University College London, Institute of Cardiovascular Sciences/MRC Unit for LHA/School of Life and Medical Sciences, London, United Kingdom
| | - C Park
- University College London, Institute of Cardiovascular Sciences/MRC Unit for LHA/School of Life and Medical Sciences, London, United Kingdom
| | - T Tillin
- University College London, Institute of Cardiovascular Sciences/MRC Unit for LHA/School of Life and Medical Sciences, London, United Kingdom
| | - S Williams
- University College London, Institute of Cardiovascular Sciences/MRC Unit for LHA/School of Life and Medical Sciences, London, United Kingdom
| | - J Mayet
- Imperial College London, National Heart and Lung Institute (NHLI), London, United Kingdom
| | - N Chaturvedi
- University College London, Institute of Cardiovascular Sciences/MRC Unit for LHA/School of Life and Medical Sciences, London, United Kingdom
| | - A Hughes
- University College London, Institute of Cardiovascular Sciences/MRC Unit for LHA/School of Life and Medical Sciences, London, United Kingdom
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15
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Wong BLH, Chaturvedi N, Tillin T, Richards M, Hughes A, Stewart R, Shibata D, Park C. 6070Association of blood pressure measures with brain structure and function: the Southall and Brent REvisited (SABRE) study. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
In our rapidly ageing society, dementia and neurocognitive decline are significant global public health problems. Blood pressure (BP), an established cardiovascular risk factor, has been extensively studied with respect to brain structure and function; however, findings across the literature differ depending on the BP component in consideration, and the use of brachial rather than central BP.
Purpose
We set out to assess associations between detailed measures of brain structure and function with comprehensive measures of central and peripheral BP. Furthermore, we performed comprehensive mediation analyses on the associations to investigate potential micro and macro vascular mediatory pathways.
Methods
A community-based sample of 1438 individuals (69.7±6.2 years) from a tri-ethnic cohort. underwent vascular, cognitive and MRI based structural brain measures. BP measures included central (cSBP (Pulsecor)) and peripheral systolic BP (pSBP), diastolic BP (DBP), brachial (bPP) and central pulse pressure (cPP), and mean arterial pressure (MAP). Cognitive assessments comprised tests which explored global/overall function (CSID), executive function and memory. For brain structure, hippocampal brain volume was our key measure. Potential macro- and microvascular mediators included: arterial stiffness (cfPWV), carotid intima-media thickness, retinopathy, white matter hyperintensities and infarcts. Multivariable regression analyses were used to assess associations of BP components with cognitive function scores and brain volumes, adjusted for age, sex and ethnicity as well as macro- and microvascular risk factors. Multiple imputation was performed to account for missing data.
Results
After adjusting for age, sex and ethnicity, both cSBP and pSBP were negatively associated with memory (data are β±SE (z-score) −0.014±0.006, p=0.04), while DBP was positively associated with hippocampal volume (0.006±0.003, p=0.03). cPP was negatively associated with memory (−0.020±0.009, p=0.03), executive function (−0.018±0.006, p=0.002) and hippocampal volume (−0.007±0.003, p=0.005), while bPP was negatively associated with CSID (−0.008±0.004, p=0.04), memory (−0.020±0.008, p=0.02), executive function (−0.016±0.005, p=0.002) and hippocampal volume (−0.006±0.002, p=0.007). There was a stronger association between both PP measures and brain structure and function than with the other BP components, especially MAP. There was little difference in association between cPP and bPP measures with brain structure and function. Furthermore, these associations do not appear to be mediated by either macro- or microvascular disease.
Conclusion
These results suggest that there is a direct association between increased PP and a decline in brain structure and function. This implies that older patients with suboptimal PP control may be at increased risk of developing cognitive impairment and that measuring PP offers mechanistic information above and beyond conventional BP measures.
Acknowledgement/Funding
Wellcome Trust, British Heart Foundation
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Affiliation(s)
- B L H Wong
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - N Chaturvedi
- University College London, MRC Unit for Lifelong Health and Ageing; Institute of Cardiovascular Science, London, United Kingdom
| | - T Tillin
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - M Richards
- University College London, MRC Unit for Lifelong Health and Ageing, London, United Kingdom
| | - A Hughes
- University College London, Institute of Cardiovascular Science, London, United Kingdom
| | - R Stewart
- Kings College London, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom
| | - D Shibata
- University of Washington, Department of Radiology, Seattle, United States of America
| | - C Park
- University College London, Institute of Cardiovascular Science, London, United Kingdom
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16
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Timpka S, Hughes AD, Chaturvedi N, Franks PW, Lawlor DA, Rich‐Edwards JW, Fraser A. Birth weight and cardiac function assessed by echocardiography in adolescence: Avon Longitudinal Study of Parents and Children. Ultrasound Obstet Gynecol 2019; 54:225-231. [PMID: 30251286 PMCID: PMC6771817 DOI: 10.1002/uog.20128] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 09/09/2018] [Accepted: 09/20/2018] [Indexed: 06/08/2023]
Abstract
OBJECTIVE Maternal hemodynamics in pregnancy is associated with fetal growth and birth weight, which in turn are associated with offspring cardiovascular disease later in life. The aim of this study was to quantify the extent to which birth weight is associated with cardiac structure and function in adolescence. METHODS A subset of offspring (n = 1964; 55% female) of the Avon Longitudinal Study of Parents and Children were examined with echocardiography at a mean age of 17.7 (SD, 0.3) years. The associations of birth-weight Z-score for sex and gestational age with cardiac structure (assessed by relative wall thickness, left ventricular mass index (LVMI) and left atrial diameter index), systolic function (assessed by ejection fraction and left ventricular wall velocity) and diastolic function (assessed by early/late mitral inflow velocity (E/A) and early mitral inflow velocity/mitral annular early diastolic velocity (E/e')) were evaluated. Linear regression models were adjusted for several potential confounders, including maternal prepregnancy body mass index, age, level of education and smoking during pregnancy. RESULTS Higher birth-weight Z-score was associated with lower E/A (mean difference, -0.024; 95% CI, -0.043 to -0.005) and E/e' (mean difference, -0.05; 95% CI, -0.10 to -0.001) and higher LVMI (mean difference, 0.38 g/m2.7 ; 95% CI, 0.09 to 0.67). There was no or inconsistent evidence of associations of birth-weight Z-score with relative wall thickness, left atrial diameter and measurements of systolic function. Further analyses suggested that the association between birth-weight Z-score and LVMI was driven mainly by an association observed in participants born small-for-gestational age and it did not persist when risk factors in adolescence were accounted for. CONCLUSIONS Higher birth weight adjusted for sex and gestational age was associated with differences in measures of diastolic function in adolescence, but the observed associations were small. It remains to be determined the extent to which these associations translate into increased susceptibility to cardiovascular disease later in life. © 2018 The Authors. Ultrasound in Obstetrics & Gynecology published by John Wiley & Sons Ltd on behalf of the International Society of Ultrasound in Obstetrics and Gynecology.
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Affiliation(s)
- S. Timpka
- Genetic and Molecular Epidemiology UnitLund University Diabetes Centre, Lund UniversityMalmöSweden
- Connors Center for Women's Health and Gender BiologyBrigham and Women's Hospital and Harvard Medical SchoolBostonMAUSA
| | - A. D. Hughes
- Institute of Cardiovascular ScienceUniversity College LondonLondonUK
| | - N. Chaturvedi
- Institute of Cardiovascular ScienceUniversity College LondonLondonUK
| | - P. W. Franks
- Genetic and Molecular Epidemiology UnitLund University Diabetes Centre, Lund UniversityMalmöSweden
- Harvard T. H. Chan School of Public HealthHarvard UniversityBostonMAUSA
| | - D. A. Lawlor
- Department of Population Health Sciences, Medical SchoolUniversity of BristolBristolUK
- MRC Integrative Epidemiology Unit at the University of BristolUniversity of BristolBristolUK
- NIHR Biomedical Research Centre at the University Hospitals Bristol NHS Foundation Trust and the University of BristolBristolUK
| | - J. W. Rich‐Edwards
- Connors Center for Women's Health and Gender BiologyBrigham and Women's Hospital and Harvard Medical SchoolBostonMAUSA
- Harvard T. H. Chan School of Public HealthHarvard UniversityBostonMAUSA
| | - A. Fraser
- Department of Population Health Sciences, Medical SchoolUniversity of BristolBristolUK
- MRC Integrative Epidemiology Unit at the University of BristolUniversity of BristolBristolUK
- NIHR Biomedical Research Centre at the University Hospitals Bristol NHS Foundation Trust and the University of BristolBristolUK
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17
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Abstract
While twist-bend nematic phases have been extensively studied, the experimental observation of two dimensional, oscillating splay-bend phases is recent. We consider two theoretical models that have been used to explain the formation of twist-bend phases-flexoelectricity and bond orientational order-as mechanisms to induce splay-bend phases. Flexoelectricity is a viable mechanism, and splay and bend flexoelectric couplings can lead to splay-bend phases with different modulations. We show that while bond orientational order circumvents the need for higher order terms in the free energy, the important role of nematic symmetry and phase chirality rules it out as a basic mechanism.
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Affiliation(s)
- N Chaturvedi
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania, 19104-6396, USA
| | - Randall D Kamien
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania, 19104-6396, USA
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18
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Bicho Augusto JA, Alfarih M, Knott K, Radenkovic D, Chaturvedi N, Hughes AD, Boubertakh R, Moon JC, Weingartner S, Captur G. P415Dark-Blood T1 SAPPHIRE mapping gives cleaner myocardial signal at both 1.5T and 3T. Eur Heart J Cardiovasc Imaging 2019. [DOI: 10.1093/ehjci/jez118.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- J A Bicho Augusto
- University College London, London, United Kingdom of Great Britain & Northern Ireland
| | - M Alfarih
- University College London, London, United Kingdom of Great Britain & Northern Ireland
| | - K Knott
- University College London, London, United Kingdom of Great Britain & Northern Ireland
| | - D Radenkovic
- University College London, London, United Kingdom of Great Britain & Northern Ireland
| | - N Chaturvedi
- University College London, London, United Kingdom of Great Britain & Northern Ireland
| | - A D Hughes
- University College London, London, United Kingdom of Great Britain & Northern Ireland
| | - R Boubertakh
- Barts Health NHS Trust, London, United Kingdom of Great Britain & Northern Ireland
| | - J C Moon
- Barts Health NHS Trust, London, United Kingdom of Great Britain & Northern Ireland
| | - S Weingartner
- University of Minnesota, Minneapolis, United States of America
| | - G Captur
- University College London, London, United Kingdom of Great Britain & Northern Ireland
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19
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Knott K, Alfarih M, Augusto JB, Boubertakh R, Chaturvedi N, Hughes AD, Moon JC, Weingartner S, Captur G. P618Using systolic SAPPHIRE to optimise T1 mapping for thin-walled hearts and arrhythmia. Eur Heart J Cardiovasc Imaging 2019. [DOI: 10.1093/ehjci/jez116.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- K Knott
- University College London, London, United Kingdom of Great Britain & Northern Ireland
| | - M Alfarih
- University College London, London, United Kingdom of Great Britain & Northern Ireland
| | - J B Augusto
- University College London, London, United Kingdom of Great Britain & Northern Ireland
| | - R Boubertakh
- Queen Mary University of London, London, United Kingdom of Great Britain & Northern Ireland
| | - N Chaturvedi
- University College London, London, United Kingdom of Great Britain & Northern Ireland
| | - A D Hughes
- University College London, London, United Kingdom of Great Britain & Northern Ireland
| | - J C Moon
- University College London, London, United Kingdom of Great Britain & Northern Ireland
| | | | - G Captur
- University College London, London, United Kingdom of Great Britain & Northern Ireland
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20
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Seo HS, Captur G, Ittermann B, Pang W, Keenan K, Kellman P, Nezafat R, Chaturvedi N, Hughes A, Moon JC. 27A medical device grade T2 phantom to quality control inflammation imaging by CMR. Eur Heart J Cardiovasc Imaging 2019. [DOI: 10.1093/ehjci/jez111.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- H S Seo
- MRC Unit for Lifelong Health and Ageing at UCL, London, United Kingdom of Great Britain & Northern Ireland
| | - G Captur
- MRC Unit for Lifelong Health and Ageing at UCL, London, United Kingdom of Great Britain & Northern Ireland
| | - B Ittermann
- Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany
| | - W Pang
- Resonance Health (RH), Claremont, Australia
| | - K Keenan
- National Institutes of Standards and Technology(NIST), Boulder, United States of America
| | - P Kellman
- National Institutes of Health (NIH), Bethesda, United States of America
| | - R Nezafat
- Harvard Medical School, Department of Medicine, Boston, United States of America
| | - N Chaturvedi
- MRC Unit for Lifelong Health and Ageing at UCL, London, United Kingdom of Great Britain & Northern Ireland
| | - A Hughes
- MRC Unit for Lifelong Health and Ageing at UCL, London, United Kingdom of Great Britain & Northern Ireland
| | - J C Moon
- St. Bartholomew"s Hospital, Barts Heart Centre , Greater London, United Kingdom of Great Britain & Northern Ireland
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21
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Bhuva A, D"silva A, Torlasco C, Jones S, Nadarajan N, Van Zalen J, Boubertakh R, Chaturvedi N, Lloyd G, Sharma S, Moon JC, Hughes AD, Manisty CH. 201Training for a first-time marathon reverses vascular ageing. Eur Heart J Cardiovasc Imaging 2019. [DOI: 10.1093/ehjci/jez128.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- A Bhuva
- University College London, Institute of Cardiovasular Science, London, United Kingdom of Great Britain & Northern Ireland
| | - A D"silva
- St George"s University of London, Cardiology Clinical & Academic Group, London, United Kingdom of Great Britain & Northern Ireland
| | - C Torlasco
- San Luca Hospital of Milan, Milan, Italy
| | - S Jones
- University College London, Institute of Cardiovasular Science, London, United Kingdom of Great Britain & Northern Ireland
| | - N Nadarajan
- University College London, Institute of Cardiovasular Science, London, United Kingdom of Great Britain & Northern Ireland
| | - J Van Zalen
- Barts Heart Centre, London, United Kingdom of Great Britain & Northern Ireland
| | - R Boubertakh
- Barts Heart Centre, London, United Kingdom of Great Britain & Northern Ireland
| | - N Chaturvedi
- University College London, Institute of Cardiovasular Science, London, United Kingdom of Great Britain & Northern Ireland
| | - G Lloyd
- Barts Heart Centre, London, United Kingdom of Great Britain & Northern Ireland
| | - S Sharma
- St George"s University of London, Cardiology Clinical & Academic Group, London, United Kingdom of Great Britain & Northern Ireland
| | - J C Moon
- Barts Heart Centre, London, United Kingdom of Great Britain & Northern Ireland
| | - A D Hughes
- University College London, Institute of Cardiovasular Science, London, United Kingdom of Great Britain & Northern Ireland
| | - C H Manisty
- Barts Heart Centre, London, United Kingdom of Great Britain & Northern Ireland
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James SN, Jones S, Tillin T, Key D, Hughes A, Richards M, Chaturvedi N. 133DEPRESSIVE SYMPTOMS ARE ASSOCIATED WITH PERCEIVED, NOT OBJECTIVE, EXERTION DURING EXERCISE IN EUROPEAN, INDIAN ASIAN AND AFRICAN-CARIBBEAN GROUPS. Age Ageing 2019. [DOI: 10.1093/ageing/afy207.03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- S N James
- MRC Lifelong Health and Ageing, University College London, London, UK
| | - S Jones
- MRC Lifelong Health and Ageing, University College London, London, UK
| | - T Tillin
- MRC Lifelong Health and Ageing, University College London, London, UK
| | - D Key
- MRC Lifelong Health and Ageing, University College London, London, UK
| | - A Hughes
- MRC Lifelong Health and Ageing, University College London, London, UK
| | - M Richards
- MRC Lifelong Health and Ageing, University College London, London, UK
| | - N Chaturvedi
- MRC Lifelong Health and Ageing, University College London, London, UK
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Joshi R, Wannamethee G, Rhodes D, Engmann J, Dale C, Gaunt T, Jefferis B, Papacosta O, Shah T, Tillin T, Wong A, Chaturvedi N, Kivimaki M, Kuh D, Kumari M, Hughes A, Ben-Shlomo Y, Casas JP, Hingorani AD, Schmidt AF. P15 TRIGLYCERIDE-CONTAINING LIPOPROTEIN SUB-FRACTIONS AND CORONARY HEART DISEASE AND STROKE RISK. Cardiovasc Res 2018. [DOI: 10.1093/cvr/cvy216.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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24
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Bhuva A, Treibel TA, De Marvao A, Biffi C, Dawes T, Doumou G, Bai W, Oktay O, Jones S, Davies R, Chaturvedi N, Rueckert D, Hughes A, Moon JC, Manisty CH. P5470Septal hypertrophy in aortic stenosis and its regression after valve replacement is more plastic in males than females: insights from 3D machine learning approach. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p5470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- A Bhuva
- University College London, Institute of Cardiovasular Science, London, United Kingdom
| | - T A Treibel
- University College London, Institute of Cardiovasular Science, London, United Kingdom
| | - A De Marvao
- Imperial College London, MRC London Institute of Medical Sciences, London, United Kingdom
| | - C Biffi
- Imperial College London, MRC London Institute of Medical Sciences, London, United Kingdom
| | - T Dawes
- Imperial College London, MRC London Institute of Medical Sciences, London, United Kingdom
| | - G Doumou
- Imperial College London, MRC London Institute of Medical Sciences, London, United Kingdom
| | - W Bai
- Imperial College London, Department of Computer Science, London, United Kingdom
| | - O Oktay
- Imperial College London, Department of Computer Science, London, United Kingdom
| | - S Jones
- University College London, Institute of Cardiovasular Science, London, United Kingdom
| | - R Davies
- Barts Health NHS Trust, Barts Heart Centre, London, United Kingdom
| | - N Chaturvedi
- University College London, Institute of Cardiovasular Science, London, United Kingdom
| | - D Rueckert
- Imperial College London, Department of Computer Science, London, United Kingdom
| | - A Hughes
- University College London, Institute of Cardiovasular Science, London, United Kingdom
| | - J C Moon
- University College London, Institute of Cardiovasular Science, London, United Kingdom
| | - C H Manisty
- University College London, Institute of Cardiovasular Science, London, United Kingdom
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25
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Sharma N, Periasamy C, Chaturvedi N. Performance Analysis of GaN Capping Layer Thickness on GaN/AlGaN/GaN High Electron Mobility Transistors. J Nanosci Nanotechnol 2018; 18:4580-4587. [PMID: 29442634 DOI: 10.1166/jnn.2018.15350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In this paper, we present an investigation of the impact of GaN capping layer and AlGaN layer thickness on the two-dimensional (2D)-electron mobility and the carrier concentration which was formed close to the AlGaN/GaN buffer layer for Al0.25Ga0.75N/GaN and GaN/Al0.25Ga0.75N/GaN heterostructures deposited on sapphire substrates. The results of our analysis clearly indicate that expanding the GaN capping layer thickness from 1 nm to 100 nm prompts an increment in the electron concentration at hetero interface. As consequence of which drain current was additionally increments with GaN cap layer thicknesses, and eventually saturates at approximately 1.85 A/mm for capping layer thickness greater than 40 nm. Interestingly, for the same structure, the 2D-electron mobility, decrease monotonically with GaN capping layer thickness, and saturate at approximately 830 cm2/Vs for capping layer thickness greater than 50 nm. A device with a GaN cap layer didn't exhibit gate leakage current. Furthermore, it was observed that the carrier concentration was first decrease 1.03 × 1019/cm3 to 6.65 × 1018/cm3 with AlGaN Layer thickness from 5 to 10 nm and after that it increases with the AlGaN layer thickness from 10 to 30 nm. The same trend was followed for electric field distributions. Electron mobility decreases monotonically with AlGaN layer thickness. Highest electron mobility 1354 cm2/Vs were recorded for the AlGaN layer thickness of 5 nm. Results obtained are in good agreement with published experimental data.
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Affiliation(s)
- N Sharma
- Department of Electronics and Communication Engineering, Malaviya National Institute of Technology, Jaipur 302017, India
| | - C Periasamy
- Department of Electronics and Communication Engineering, Malaviya National Institute of Technology, Jaipur 302017, India
| | - N Chaturvedi
- Smart Sensor Area, CSIR-Central Electronics Engineering Research Institute, Pilani 333031, India
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26
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Carter A, Ferreira DS, Taylor A, Chaturvedi N, Hughes A, Howe L. Metabolic mediators of the relationship between adiposity and cardiac structure and function in UK adolescents. Rev Epidemiol Sante Publique 2018. [DOI: 10.1016/j.respe.2018.05.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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27
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Sudre CH, Gomez Anson B, Davagnanam I, Schmitt A, Mendelson AF, Prados F, Smith L, Atkinson D, Hughes AD, Chaturvedi N, Cardoso MJ, Barkhof F, Jaeger HR, Ourselin S. Bullseye's representation of cerebral white matter hyperintensities. J Neuroradiol 2018; 45:114-122. [PMID: 29132940 PMCID: PMC5867449 DOI: 10.1016/j.neurad.2017.10.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 10/03/2017] [Accepted: 10/17/2017] [Indexed: 12/21/2022]
Abstract
BACKGROUND AND PURPOSE Visual rating scales have limited capacities to depict the regional distribution of cerebral white matter hyperintensities (WMH). We present a regional-zonal volumetric analysis alongside a visualization tool to compare and deconstruct visual rating scales. MATERIALS AND METHODS 3D T1-weighted, T2-weighted spin-echo and FLAIR images were acquired on a 3T system, from 82 elderly participants in a population-based study. Images were automatically segmented for WMH. Lobar boundaries and distance to ventricular surface were used to define white matter regions. Regional-zonal WMH loads were displayed using bullseye plots. Four raters assessed all images applying three scales. Correlations between visual scales and regional WMH as well as inter and intra-rater variability were assessed. A multinomial ordinal regression model was used to predict scores based on regional volumes and global WMH burdens. RESULTS On average, the bullseye plot depicted a right-left symmetry in the distribution and concentration of damage in the periventricular zone, especially in frontal regions. WMH loads correlated well with the average visual rating scores (e.g. Kendall's tau [Volume, Scheltens]=0.59 CI=[0.53 0.62]). Local correlations allowed comparison of loading patterns between scales and between raters. Regional measurements had more predictive power than global WMH burden (e.g. frontal caps prediction with local features: ICC=0.67 CI=[0.53 0.77], global volume=0.50 CI=[0.32 0.65], intra-rater=0.44 CI=[0.23 0.60]). CONCLUSION Regional-zonal representation of WMH burden highlights similarities and differences between visual rating scales and raters. The bullseye infographic tool provides a simple visual representation of regional lesion load that can be used for rater calibration and training.
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Affiliation(s)
- C H Sudre
- Translational Imaging Group, CMIC, Department of Medical Physics and Biomedical Engineering, University College London, Room 8.04 8th floor Malet Place Engineering Building, 2, Malet Place, WC1E 7JE London, UK; Dementia Research Centre, UCL Institute of Neurology, WC1N 3BG London, UK.
| | - B Gomez Anson
- Santa Creu i Sant Pau Hospital, Universitat Autonòma Barcelona, 08041 Barcelona, Spain.
| | - I Davagnanam
- Lysholm Department of Neuroradiology, The National Hospital for Neurology and Neurosurgery, Queen Square, WCN1 3BG London, UK; Brain Repair and Rehabilitation, UCL Institute of Neurology, WC1N 3BG London, UK.
| | - A Schmitt
- Lysholm Department of Neuroradiology, The National Hospital for Neurology and Neurosurgery, Queen Square, WCN1 3BG London, UK.
| | - A F Mendelson
- Translational Imaging Group, CMIC, Department of Medical Physics and Biomedical Engineering, University College London, Room 8.04 8th floor Malet Place Engineering Building, 2, Malet Place, WC1E 7JE London, UK.
| | - F Prados
- Translational Imaging Group, CMIC, Department of Medical Physics and Biomedical Engineering, University College London, Room 8.04 8th floor Malet Place Engineering Building, 2, Malet Place, WC1E 7JE London, UK.
| | - L Smith
- Cardiometabolic Phenotyping Group, UCL Institute of Cardiovascular Science, W1CE 6HX London, UK.
| | - D Atkinson
- Centre for Medical Imaging, UCL Faculty of Medical Science, NW1 2PG London, UK.
| | - A D Hughes
- Cardiometabolic Phenotyping Group, UCL Institute of Cardiovascular Science, W1CE 6HX London, UK.
| | - N Chaturvedi
- Cardiometabolic Phenotyping Group, UCL Institute of Cardiovascular Science, W1CE 6HX London, UK.
| | - M J Cardoso
- Translational Imaging Group, CMIC, Department of Medical Physics and Biomedical Engineering, University College London, Room 8.04 8th floor Malet Place Engineering Building, 2, Malet Place, WC1E 7JE London, UK; Dementia Research Centre, UCL Institute of Neurology, WC1N 3BG London, UK.
| | - F Barkhof
- Translational Imaging Group, CMIC, Department of Medical Physics and Biomedical Engineering, University College London, Room 8.04 8th floor Malet Place Engineering Building, 2, Malet Place, WC1E 7JE London, UK; Brain Repair and Rehabilitation, UCL Institute of Neurology, WC1N 3BG London, UK.
| | - H R Jaeger
- Lysholm Department of Neuroradiology, The National Hospital for Neurology and Neurosurgery, Queen Square, WCN1 3BG London, UK; Brain Repair and Rehabilitation, UCL Institute of Neurology, WC1N 3BG London, UK.
| | - S Ourselin
- Translational Imaging Group, CMIC, Department of Medical Physics and Biomedical Engineering, University College London, Room 8.04 8th floor Malet Place Engineering Building, 2, Malet Place, WC1E 7JE London, UK; Dementia Research Centre, UCL Institute of Neurology, WC1N 3BG London, UK.
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Sabah SA, Moon JC, Jenkins-Jones S, Morgan CL, Currie CJ, Wilkinson JM, Porter M, Captur G, Henckel J, Chaturvedi N, Kay P, Skinner JA, Hart AJ, Manisty C. The risk of cardiac failure following metal-on-metal hip arthroplasty. Bone Joint J 2018; 100-B:20-27. [PMID: 29305446 PMCID: PMC6424145 DOI: 10.1302/0301-620x.100b1.bjj-2017-1065.r1] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AIMS The aim of this study was to determine whether patients with metal-on-metal (MoM) arthroplasties of the hip have an increased risk of cardiac failure compared with those with alternative types of arthroplasties (non-MoM). PATIENTS AND METHODS A linkage study between the National Joint Registry, Hospital Episodes Statistics and records of the Office for National Statistics on deaths was undertaken. Patients who underwent elective total hip arthroplasty between January 2003 and December 2014 with no past history of cardiac failure were included and stratified as having either a MoM (n = 53 529) or a non-MoM (n = 482 247) arthroplasty. The primary outcome measure was the time to an admission to hospital for cardiac failure or death. Analysis was carried out using data from all patients and from those matched by propensity score. RESULTS The risk of cardiac failure was lower in the MoM cohort compared with the non-MoM cohort (adjusted hazard ratio (aHR) 0.901; 95% confidence interval (CI) 0.853 to 0.953). The risk of cardiac failure was similar following matching (aHR 0.909; 95% CI 0.838 to 0.987) and the findings were consistent in subgroup analysis. CONCLUSION The risk of cardiac failure following total hip arthroplasty was not increased in those in whom MoM implants were used, compared with those in whom other types of prostheses were used, in the first seven years after surgery. Cite this article: Bone Joint J 2018;100-B:20-7.
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Affiliation(s)
- S A Sabah
- Royal National Orthopaedic Hospital, Stanmore, Middlesex and University College London, London, UK
| | - J C Moon
- Institute of Cardiovascular Sciences, University College London and Barts Heart Centre, London, UK
| | - S Jenkins-Jones
- Division of Surgery and Interventional Sciences, University College London, UK and Global Epidemiology and Medical Statistics, Pharmatelligence, Cardiff, UK
| | - C Ll Morgan
- Division of Surgery and Interventional Sciences, University College London, UK and Global Epidemiology and Medical Statistics, Pharmatelligence, Cardiff, UK
| | - C J Currie
- Global Epidemiology and Medical Statistics, Pharmatelligence, Cardiff, UK and Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, UK
| | - J M Wilkinson
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK and National Joint Registry for England, Wales and Northern Ireland
| | - M Porter
- Centre for Hip Surgery, Wrightington Hospital, Wigan, UK
| | - G Captur
- Institute of Cardiovascular Sciences, University College London, UK and Department of Cardiology, Barts Heart Centre, London, UK
| | - J Henckel
- Royal National Orthopaedic Hospital, Stanmore, UK and Division of Surgery and Interventional Sciences, University College London, UK
| | - N Chaturvedi
- Institute of Cardiovascular Sciences, University College London, London, UK
| | - P Kay
- Wrightington Hospital, Wigan, UK
| | - J A Skinner
- Royal National Orthopaedic Hospital, Stanmore, Middlesex, UK
| | - A J Hart
- Royal National Orthopaedic Hospital, Stanmore, Middlesex, UK
| | - C Manisty
- Institute of Cardiovascular Sciences, University College London, UK and Department of Cardiology, Barts Heart Centre, London, UK
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Eastwood SV, Tillin T, Mayet J, Shibata DK, Wright A, Heasman J, Beauchamp N, Forouhi NG, Hughes AD, Chaturvedi N. Ethnic differences in cross-sectional associations between impaired glucose regulation, identified by oral glucose tolerance test or HbA1c values, and cardiovascular disease in a cohort of European and South Asian origin. Diabet Med 2016; 33:340-7. [PMID: 26314829 PMCID: PMC4740925 DOI: 10.1111/dme.12895] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/24/2015] [Indexed: 01/29/2023]
Abstract
AIMS We contrasted impaired glucose regulation (prediabetes) prevalence, defined according to oral glucose tolerance test or HbA1c values, and studied cross-sectional associations between prediabetes and subclinical/clinical cardiovascular disease (CVD) in a cohort of European and South Asian origin. METHODS For 682 European and 520 South Asian men and women, aged 58-85 years, glycaemic status was determined by oral glucose tolerance test or HbA1c thresholds. Questionnaires, record review, coronary artery calcification scores and cerebral magnetic resonance imaging established clinical plus subclinical coronary heart and cerebrovascular disease. RESULTS Prediabetes was more prevalent in South Asian participants when defined by HbA1c rather than by oral glucose tolerance test criteria. Accounting for age, sex, smoking, systolic blood pressure, triglycerides and waist-hip ratio, prediabetes was associated with coronary heart disease and cerebrovascular disease in European participants, most obviously when defined by HbA1c rather than by oral glucose tolerance test [odds ratios for HbA1c -defined prediabetes 1.60 (95% CI 1.07, 2.39) for coronary heart disease and 1.57 (95% CI 1.00, 2.51) for cerebrovascular disease]. By contrast, non-significant associations were present between oral glucose tolerance test-defined prediabetes only and coronary heart disease [odds ratio 1.41 (95% CI 0.84, 2.36)] and HbA1c -defined prediabetes only and cerebrovascular disease [odds ratio 1.39 (95% CI 0.69, 2.78)] in South Asian participants. Prediabetes defined by HbA1c or oral glucose tolerance test criteria was associated with cardiovascular disease (defined as coronary heart and/or cerebrovascular disease) in Europeans [odds ratio 1.95 (95% CI 1.31, 2.91) for HbA1c prediabetes criteria] but not in South Asian participants [odds ratio 1.00 (95% CI 0.62, 2.66); ethnicity interaction P = 0.04]. CONCLUSIONS Prediabetes appeared to be less associated with cardiovascular disease in the South Asian than in the European group. These findings have implications for screening, and early cardiovascular prevention strategies in South Asian populations.
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Affiliation(s)
- S V Eastwood
- UCL Institute of Cardiovascular Science, University College London, London
| | - T Tillin
- UCL Institute of Cardiovascular Science, University College London, London
| | - J Mayet
- National Heart and Lung Institute, Imperial College London, London
| | - D K Shibata
- Department of Radiology, University of Washington Medical Centre, Seattle, WA, USA
| | - A Wright
- Department of Radiology, Imperial College NHS Healthcare Trust, London, UK
| | - J Heasman
- Department of Radiology, Imperial College NHS Healthcare Trust, London, UK
| | - N Beauchamp
- Department of Radiology, University of Washington Medical Centre, Seattle, WA, USA
| | - N G Forouhi
- MRC Epidemiology Unit, University of Cambridge, Cambridge, UK
| | - A D Hughes
- UCL Institute of Cardiovascular Science, University College London, London
| | - N Chaturvedi
- UCL Institute of Cardiovascular Science, University College London, London
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Heerspink HJL, Ninomiya T, Persson F, Brenner BM, Brunel P, Chaturvedi N, Desai AS, Haffner SM, Mcmurray JJV, Solomon SD, Pfeffer MA, Parving HH, de Zeeuw D. Is a reduction in albuminuria associated with renal and cardiovascular protection? A post hoc analysis of the ALTITUDE trial. Diabetes Obes Metab 2016; 18:169-77. [PMID: 26511599 DOI: 10.1111/dom.12600] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Revised: 10/24/2015] [Accepted: 10/24/2015] [Indexed: 01/23/2023]
Abstract
AIMS To investigate whether the degree of albuminuria reduction observed in the ALTITUDE trial is associated with renal and cardiovascular protection, and secondly, whether the reduction in albuminuria was too small to afford clinical benefit. METHODS In a post hoc analysis of the ALTITUDE trial in 8561 patients with type 2 diabetes and chronic kidney disease or cardiovascular disease we examined the effect of albuminuria changes at 6 months on renal and cardiovascular outcomes using Cox proportional hazard regression. RESULTS The median change in albuminuria in the first 6 months in the aliskiren arm of the trial was -12% (25th to 75th percentile: -48.7_to_ +41.9%) and 0.0% (25th to 75th percentile: -40.2_to_55%) in the placebo arm. Changes in albuminuria in the first 6 months were linearly associated with renal and cardiovascular endpoints: a >30% reduction in albuminuria in the first 6 months was associated with a 62% reduction in renal risk and a 25% reduction in cardiovascular risk compared with an increase in albuminuria. The association between changes at 6 months in albuminuria and renal or cardiovascular endpoints was similar in the two treatment groups (p for interaction >0.1 for both endpoints). CONCLUSIONS The addition of aliskiren to angiotensin-converting enzyme inhibitor/angiotensin receptor blocker therapy resulted in albuminuria changes that were associated with renal and cardiovascular risk changes. This did not translate into renal or cardiovascular protection because the overall reduction in albuminuria in the aliskiren arm was too small and nearly similar to that in the placebo arm.
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Affiliation(s)
- H J L Heerspink
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - T Ninomiya
- Division of Research Management, Center for Cohort Studies Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - F Persson
- Steno Diabetes Centre, Gentofte, Denmark
| | - B M Brenner
- Renal Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - P Brunel
- Novartis Pharma AB, Global Medical Affairs, Basel, Switzerland
| | - N Chaturvedi
- Institute of Cardiovascular Sciences, University College London, London, UK
| | - A S Desai
- Cardiovascular Division, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - S M Haffner
- Department of Medicine and Clinical Epidemiology, University of Texas Health Science Center, San Antonio, TX, USA
| | - J J V Mcmurray
- British Heart Foundation Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - S D Solomon
- Cardiovascular Division, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - M A Pfeffer
- Cardiovascular Division, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - H-H Parving
- Department of Medical Endocrinology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - D de Zeeuw
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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31
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Williams ED, Tillin T, Richards M, Tuson C, Chaturvedi N, Hughes AD, Stewart R. Depressive symptoms are doubled in older British South Asian and Black Caribbean people compared with Europeans: associations with excess co-morbidity and socioeconomic disadvantage. Psychol Med 2015; 45:1861-1871. [PMID: 25677948 PMCID: PMC4803046 DOI: 10.1017/s0033291714002967] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Revised: 11/19/2014] [Accepted: 11/19/2014] [Indexed: 12/03/2022]
Abstract
BACKGROUND Despite elevated risk profiles for depression among South Asian and Black Caribbean people in the UK, prevalences of late-life depressive symptoms across the UK's three major ethnic groups have not been well characterized. METHOD Data were collected at baseline and 20-year follow-up from 632 European, 476 South Asian and 181 Black Caribbean men and women (aged 58-88 years), of a community-based cohort study from north-west London. The 10-item Geriatric Depression Scale was interviewer-administered during a clinic visit (depressive symptoms defined as a score of ⩾4 out of 10), with clinical data (adiposity, diabetes, cardiovascular disease, cognitive function) also collected. Sociodemographic, psychosocial, behavioural, disability, and medical history information was obtained by questionnaire. RESULTS Prevalence of depressive symptoms varied by ethnic group, affecting 9.7% of White European, 15.5% of South Asian, and 17.7% of Black Caribbean participants. Compared with White Europeans, South Asian and Black Caribbean participants were significantly more likely to have depressive symptoms (odds ratio 1.79, 95% confidence interval 1.24-2.58 and 1.80, 1.11-2.92, respectively). Adjustment for co-morbidities had most effect on the excess South Asian odds, and adjustment for socioeconomic position had most effect on the elevated Black Caribbean odds. CONCLUSIONS Higher prevalence of depressive symptoms observed among South Asian people were attenuated after adjustment for physical health, whereas the Black Caribbean increased prevalence was most explained by socioeconomic disadvantage. It is important to understand the reasons for these ethnic differences to identify opportunities for interventions to address inequalities.
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Affiliation(s)
- E. D. Williams
- International Centre for Circulatory Health, Imperial College London, UK
- Institute of Cardiovascular Science, University College London, UK
| | - T. Tillin
- International Centre for Circulatory Health, Imperial College London, UK
- Institute of Cardiovascular Science, University College London, UK
| | - M. Richards
- MRC Unit for Lifelong Health and Ageing, University College London, UK
| | - C. Tuson
- International Centre for Circulatory Health, Imperial College London, UK
| | - N. Chaturvedi
- International Centre for Circulatory Health, Imperial College London, UK
- Institute of Cardiovascular Science, University College London, UK
| | - A. D. Hughes
- International Centre for Circulatory Health, Imperial College London, UK
- Institute of Cardiovascular Science, University College London, UK
| | - R. Stewart
- King's College London (Institute of Psychiatry), London, UK
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32
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Williams ED, Eastwood SV, Tillin T, Stewart R, Chaturvedi N, Hughes AD. Statin use is associated with reduced depressive symptoms in Europeans, but increased symptoms in ethnic minorities in the UK: an observational study. Br J Clin Pharmacol 2015; 80:172-3. [PMID: 25645209 DOI: 10.1111/bcp.12599] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Revised: 01/19/2015] [Accepted: 01/21/2015] [Indexed: 11/27/2022] Open
Affiliation(s)
- E D Williams
- UCL Institute of Cardiovascular Science, University College London, London, UK
| | - S V Eastwood
- UCL Institute of Cardiovascular Science, University College London, London, UK
| | - T Tillin
- UCL Institute of Cardiovascular Science, University College London, London, UK
| | - R Stewart
- Institute of Psychiatry, King's College London, London, UK
| | - N Chaturvedi
- UCL Institute of Cardiovascular Science, University College London, London, UK
| | - A D Hughes
- UCL Institute of Cardiovascular Science, University College London, London, UK
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33
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Tillin T, Sattar N, Godsland IF, Hughes AD, Chaturvedi N, Forouhi NG. Ethnicity-specific obesity cut-points in the development of Type 2 diabetes - a prospective study including three ethnic groups in the United Kingdom. Diabet Med 2015; 32:226-34. [PMID: 25186015 PMCID: PMC4441277 DOI: 10.1111/dme.12576] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/25/2014] [Indexed: 12/13/2022]
Abstract
AIMS Conventional definitions of obesity, e.g. body mass index (BMI) ≥ 30 kg/m² or waist circumference cut-points of 102 cm (men) and 88 cm (women), may underestimate metabolic risk in non-Europeans. We prospectively identified equivalent ethnicity-specific obesity cut-points for the estimation of diabetes risk in British South Asians, African-Caribbeans and Europeans. METHODS We studied a population-based cohort from London, UK (1356 Europeans, 842 South Asians, 335 African-Caribbeans) who were aged 40-69 years at baseline (1988-1991), when they underwent anthropometry, fasting and post-load (75 g oral glucose tolerance test) blood tests. Incident Type 2 diabetes was identified from primary care records, participant recall and/or follow-up biochemistry. Ethnicity-specific obesity cut-points in association with diabetes incidence were estimated using negative binomial regression. RESULTS Diabetes incidence rates (per 1000 person years) at a median follow-up of 19 years were 20.8 (95% CI: 18.4, 23.6) and 12.0 (8.3, 17.2) in South Asian men and women, 16.5 (12.7, 21.4) and 17.5 (13.0, 23.7) in African-Caribbean men and women, and 7.4 (6.3, 8.7), and 7.2 (5.3, 9.8) in European men and women. For incidence rates equivalent to those at a BMI of 30 kg/m² in European men and women, age- and sex-adjusted cut-points were: South Asians, 25.2 (23.4, 26.6) kg/m²; and African-Caribbeans, 27.2 (25.2, 28.6) kg/m². For South Asian and African-Caribbean men, respectively, waist circumference cut-points of 90.4 (85.0, 94.5) and 90.6 (85.0, 94.5) cm were equivalent to a value of 102 cm in European men. Waist circumference cut-points of 84.0 (74.0, 90.0) cm in South Asian women and 81.2 (71.4, 87.4) cm in African-Caribbean women were equivalent to a value of 88 cm in European women. CONCLUSIONS In prospective analyses, British South Asians and African-Caribbeans had equivalent diabetes incidence rates at substantially lower obesity levels than the conventional European cut-points.
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Affiliation(s)
- T Tillin
- UCL Institute of Cardiovascular Science, University College London, London
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Ghosh AK, Hughes AD, Francis DP, Chaturvedi N, Mayet J, Kuh D, Deanfield J, Pellerin D, Hardy R. Age at first detection of overweight and adult life course BMI are associated with future diastolic dysfunction. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht307.p740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Ghosh AK, Hardy R, Francis DP, Mayet J, Chaturvedi N, Kuh D, Deanfied J, Pellerin D, Hughes AD. Age at first detection of overweight and adult lfe course BMI are associated with future increased left ventricular mass index. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht307.p739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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van Bussel BCT, Soedamah-Muthu SS, Henry RMA, Schalkwijk CG, Ferreira I, Chaturvedi N, Toeller M, Fuller JH, Stehouwer CDA. Unhealthy dietary patterns associated with inflammation and endothelial dysfunction in type 1 diabetes: the EURODIAB study. Nutr Metab Cardiovasc Dis 2013; 23:758-764. [PMID: 22795869 DOI: 10.1016/j.numecd.2012.04.005] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2011] [Revised: 03/19/2012] [Accepted: 04/16/2012] [Indexed: 11/15/2022]
Abstract
BACKGROUND AND AIMS A healthy diet has been inversely associated with endothelial dysfunction (ED) and low-grade inflammation (LGI). We investigated the association between nutrient consumption and biomarkers of ED and LGI in type 1 diabetes. METHODS AND RESULTS We investigated 491 individuals. Nutrient consumption and lifestyle risk factors were measured in 1989 and 1997. Biomarkers of ED (von Willebrand factor, soluble vascular cell adhesion molecule-1 and soluble endothelial selectin) and LGI (C-reactive protein, interleukin 6 and tumour necrosis factor α) were measured in 1997 and averaged into Z-scores. The nutrient residual method was used to adjust individual nutrient intake for energy intake. Data were analysed with generalised estimation equations. We report increments/decrements in nutrient consumption, averaged over time, per +1 standard deviation (SD) of 1997 ED or LGI Z-scores, after adjustment for sex, age, duration of diabetes, investigation centre, body mass index, energy intake, smoking behaviour, alcohol consumption, and each of the other nutrients. One SD elevation in ED Z-score was associated with a diet lower in fibre [β(95%CI);-0.09(-0.18;-0.004)], polyunsaturated fat [-0.18(-0.31;-0.05)] and vegetable protein [-0.10(-0.20;-0.001)]. For the LGI Z-score results showed associations with fibre [-0.09(-0.17;-0.01)], polyunsaturated fat [-0.14(-0.24;-0.03)] and cholesterol [0.10(0.01; 0.18)]. CONCLUSION In type 1 diabetes, consumption of less fibre, polyunsaturated fat and vegetable protein, and more cholesterol over the study period was associated with more ED and LGI. Following dietary guidelines in type 1 diabetes may reduce cardiovascular disease risk by favourably affecting ED and LGI.
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Affiliation(s)
- B C T van Bussel
- Department of Medicine, Maastricht University Medical Centre+, Maastricht, The Netherlands.
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Tielemans SMAJ, Soedamah-Muthu SS, De Neve M, Toeller M, Chaturvedi N, Fuller JH, Stamatakis E. Association of physical activity with all-cause mortality and incident and prevalent cardiovascular disease among patients with type 1 diabetes: the EURODIAB Prospective Complications Study. Diabetologia 2013; 56:82-91. [PMID: 23052062 DOI: 10.1007/s00125-012-2743-6] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Accepted: 09/12/2012] [Indexed: 12/29/2022]
Abstract
AIMS/HYPOTHESIS The aim of this study was to examine the association of physical activity (PA) with all-cause mortality and incident and prevalent cardiovascular disease (CVD) among patients with type 1 diabetes. METHODS The EURODIAB Prospective Complications Study is a cohort including 3,250 male and female patients with type 1 diabetes (mean age 32.7 ± 10.2 years) from 16 European countries, of whom 1,880 participated in follow-up examinations. In analysis 1 (longitudinal), the association of baseline PA (based on the reported number of hours per week spent in mild, moderate and vigorous PA) with all-cause mortality and incident CVD was examined by performing survival analysis. In analysis 2 (cross-sectional), we focused on the association between PA at follow-up (data on sports, walking distance and regular bicycling) and prevalent CVD by performing logistic regression analysis. Adjustments were made for age, sex, BMI, smoking, consumption of alcohol, consumption of certain nutrients and diabetic complications. RESULTS Analysis 1 (longitudinal): participation in moderate or vigorous PA once a week or more was borderline inversely associated with all-cause mortality (men and women combined) (HR 0.66, 95% CI 0.42, 1.03) and incident CVD (women only) (HR 0.66, 95% CI 0.40, 1.08). No association was found in men. Analysis 2 (cross-sectional): total PA (indexed by sports, walking, bicycling) and distance walked were inversely associated with prevalent CVD (OR(totalPA) 0.66, 95% CI 0.45, 0.97; and OR(walking) 0.61, 95% CI 0.42, 0.89). CONCLUSIONS/INTERPRETATION PA showed a borderline inverse association with both all-cause mortality (both sexes) and incident CVD (women only) in patients with type 1 diabetes. Since this is an under-researched clinical population, future longitudinal studies with objective PA measurements are needed to expand on these results.
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Affiliation(s)
- S M A J Tielemans
- Division of Human Nutrition, Wageningen University, Wageningen, The Netherlands
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Santos Ferreira D, Fraser A, Howe L, Jones S, Tapp R, Lawlor D, Ness A, Smith G, Chaturvedi N, Hughes A. P3.13 ASSOCIATIONS OF CENTRAL AND PERIPHERAL PULSE PRESSURE WITH HEART STRUCTURE, SYSTOLIC AND DIASTOLIC FUNCTION IN ADOLESCENCE: FINDINGS FROM A GENERAL POPULATION COHORT. Artery Res 2013. [DOI: 10.1016/j.artres.2013.10.101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Altman M, Bergerot C, Thibault H, Aussoleil A, Skuldadt Davidsen E, Barthelet M, Derumeaux GA, Grapsa J, Zimbarra Cabrita I, Afilalo J, Paschou S, Dawson D, Durighel G, O'regan D, Howard L, Gibbs J, Nihoyannopoulos P, Morenate Navio M, Mesa Rubio M, Ortega MD, Ruiz Ortiz M, Castillo Bernal F, Del Pino CL, Toledano F, Alvarez-Ossorio MP, Ojeda Pineda S, Lezo Cruz-Conde JSD, Jasaityte R, Claus P, Teske A, Herbots L, Verheyden B, Rademakers F, D'hooge J, Tocchetti CG, Coppola C, Rea D, Quintavalle C, Guarino L, Castaldo N, De Lorenzo C, Condorelli G, Arra C, Maurea N, Voilliot D, Huttin O, Camara Y, Djaballah W, Carillo S, Zinzius P, Sellal J, Angioi M, Juilliere Y, Selton-Suty C, Dobrowolski P, Klisiewicz A, Florczak E, Prejbisz A, Szwench E, Rybicka J, Januszewicz A, Hoffman P, Jurado Roman A, De Dios Perez S, De Nicolas JMM, Diaz Anton B, Rubio Alonso B, Martin Asenjo R, Mayordomo Gomez S, Villagraz Tecedor L, Blazquez L, De Meneses RT, Bernard A, Hernandez AI, Reynaud A, Lerclercq C, Daubert J, Donal E, Arjan Singh R, Sivarani S, Lim S, Azman W, Almeida M, Cardim N, Fonseca V, Carmelo V, Santos S, Santos T, Toste J, Kosmala W, Orda A, Karolko B, Mysiak A, Przewlocka-Kosmala M, Farsalinos K, Tsiapras D, Kyrzopoulos S, Avramidou E, Vassilopoulou D, Voudris V, Hayrapetyan H, Adamyan K, Jurado Roman A, De Dios Perez S, Rubio Alonso B, De Nicolas JMM, Diaz Anton B, Martin Asenjo R, Montero Cabezas J, Granda Nistal C, Garcia Aranda B, Sanchez Sanchez V, Sestito A, Lamendola P, Di Franco A, Lauria C, Lanza G, Kukucka M, Unbehaun A, Buz S, Mladenow A, Kuppe H, Pasic M, Habazettl H, Gemma D, Montoro Lopez N, De Celix MGR, Lopez Fernandez T, De Torres Alba F, Del Valle DI, Ramirez U, Mesa J, Moreno Yanguela M, Lopez Sendon J, Eveborn GW, Schirmer H, Lunde P, Heggelund G, Rasmussen K, Wang Z, Lasota B, Mizia-Stec K, Mizia M, Chmiel A, Adamczyk T, Chudek J, Gasior Z, Venkatesh A, Johnson J, Sahlen A, Brodin L, Winter R, Shahgaldi K, Manouras A, Valbuena S, Iniesta A, Lopez T, De Torres F, Salinas P, Garcia S, Ramirez U, Mesa J, Moreno M, Lopez-Sendon J, Lebid I, Kobets T, Kuzmenko T, Katsanos S, Yiu K, Clavel M, Nina Ajmone N, Van Der Kley F, Rodes Cabau J, Schalij M, Bax J, Pibarot P, Delgado V, Fusini L, Tamborini G, Muratori M, Gripari P, Marsan N, Cefalu' C, Ewe S, Maffessanti F, Delgado V, Pepi M, Hasselberg N, Haugaa K, Petri H, Berge K, Leren T, Bundgaard H, Edvardsen T, Ancona R, Comenale Pinto S, Caso P, Coppola M, Rapisarda O, Cavallaro C, Vecchione F, D'onofrio A, Calabro' R, Rimbas R, Mihaila S, Enescu O, Patrascu N, Dragoi R, Rimbas M, Pop C, Vinereanu D, Gustafsson S, Morner S, Gronlund C, Suhr O, Lindqvist P, Di Bella G, Zito C, Minutoli F, Madaffari A, Cusma Piccione M, Mazzeo A, Massimo R, Pasquale M, Vita G, Carerj S, Rangel I, Goncalves A, Sousa C, Correia A, Martins E, Silva-Cardoso J, Macedo F, Maciel M, Pfeiffer B, Rigopoulos A, Seggewiss H, Alvarez Fuente M, Sainz Costa T, Medrano C, Navarro M, Blazquez Gamero D, Ramos J, Mellado M, De Jose M, Munoz M, Maroto E, Gargani L, Gosciniak P, Pratali L, Agoston G, Bruni C, Guiducci S, Matucci Cerinic M, Varga A, Sicari R, Picano E, Yiu K, Zhao C, Mei M, Yeung C, Siu C, Tse H, Florescu M, Enescu O, Magda L, Mincu R, Vinereanu D, Daha I, Stanescu CM, Chirila L, Baicus C, Vlase A, Dan G, Montoro Lopez M, Florez Gomez R, Alonso Ladreda A, Itziar Soto C, Rios Blanco J, Gemma D, De Torres Alba F, Moreno Yanguela M, Lopez Sendon J, Guzman Martinez G, Lichodziejewska B, Kurnicka K, Goliszek S, Kostrubiec M, Dzikowska-Diduch O, Ciurzynski M, Labyk A, Krupa M, Palczewski P, Pruszczyk P, De Sousa CC, Rangel I, Correia A, Martins E, Vigario A, Pinho T, Silva Cardoso J, Goncalves A, Macedo F, Maciel M, Park SJ, Song JE, Lee YJ, Ha MR, Chang SA, Choi JO, Lee SC, Park S, Oh J, Van De Bruaene A, De Meester P, Buys R, Vanhees L, Delcroix M, Voigt J, Budts W, Blundo A, Buccheri S, Monte IP, Leggio S, Tamburino C, Sotaquira M, Fusini L, Maffessanti F, Pepi M, Lang R, Caiani E, Floria M, De Roy L, Xhaet O, Blommaert D, Jamart J, Gerard M, Deceuninck O, Marchandise B, Seldrum S, Schroeder E, Unsworth B, Sohaib S, Kulwant-Kaur K, Malcolme-Lawes L, Kanagaratnam P, Malik I, Ren B, Mulder H, Haak A, Van Stralen M, Szili-Torok T, Pluim J, Geleijnse M, Bosch J, Baglini R, Amaducci A, D'ancona G, Van Den Oord S, Akkus Z, Bosch J, Ten Kate G, Renaud G, Sijbrands E, De Jong N, Van Der Lugt A, Van Der Steen A, Schinkel A, Bjallmark A, Larsson M, Grishenkov D, Brodin LA, Brismar T, Paradossi G, Sveen KA, Nerdrum T, Hanssen K, Dahl-Jorgensen K, Steine K, Cimino S, Pedrizzetti G, Tonti G, Canali E, Petronilli V, Cicogna F, Arcari L, De Luca L, Iacoboni C, Agati L, Abdel Moneim SS, Eifert Rain S, Bernier M, Bhat G, Hagen M, Bott-Kitslaar D, Castello R, Wilansky S, Pellikka P, Mulvagh S, Delithanasis I, Celutkiene J, Kenny C, Monaghan M, Park W, Hong G, Son J, Lee S, Kim U, Park J, Shin D, Kim Y, Toutouzas K, Drakopoulou M, Aggeli C, Felekos I, Nikolaou C, Synetos A, Stathogiannis K, Tsiamis E, Siores E, Stefanadis C, Plicht B, Kahlert P, Grave T, Buck T, Konorza T, Gursoy M, Gokdeniz T, Astarcioglu M, Bayram Z, Cakal B, Karakoyun S, Kalcik M, Acar R, Kahveci G, Ozkan M, Maffessanti F, Tamborini G, Tsang W, Weinert L, Gripari P, Fusini L, Muratori M, Caiani E, Lang R, Pepi M, Yurdakul S, Avci B, Sahin S, Dilekci B, Aytekin S, Ancona R, Comenale Pinto S, Caso P, Arenga F, Coppola M, Rapisarda O, Calabro' R, Hascoet S, Martin R, Dulac Y, Peyre M, Benzouid C, Hadeed K, Acar P, Celutkiene J, Zakarkaite D, Skorniakov V, Zvironaite V, Grabauskiene V, Burca J, Ciparyte L, Laucevicius A, Di Salvo G, Rea A, D'aiello A, Del Gaizo F, Pergola V, D'andrea A, Caso P, Pacileo G, Calabro R, Russo M, Dedobbeleer C, Hadefi A, Naeije R, Unger P, Mornos C, Cozma D, Ionac A, Mornos A, Valcovici M, Pescariu S, Petrescu L, Hu K, Liu D, Niemann M, Herrmann S, Cikes M, Stoerk S, Knop S, Ertl G, Bijnens B, Weidemann F, De Knegt M, Biering-Sorensen T, Sogaard P, Sivertsen J, Jensen J, Mogelvang R, Dedobbeleer C, Hadefi A, Unger P, Naeije R, Lam W, Tang M, Chan K, Yang Y, Fang F, Sun J, Yu C, Lam Y, Panoulas V, Sulemane S, Bratsas A, Konstantinou K, Nihoyannopoulos P, Cimino S, Canali E, Petronilli V, Cicogna F, Arcari L, De Luca L, Francone M, Iacoboni C, Agati L, Schau T, Seifert M, Ridjab D, Schoep M, Gottwald M, Neuss M, Meyhoefer J, Zaenker M, Butter C, Tarr A, Stoebe S, Pfeiffer D, Hagendorff A, Maret E, Ahlander BM, Bjorklund PG, Engvall J, Staskiewicz G, Czekajska-Chehab E, Adamczyk P, Siek E, Przybylski P, Maciejewski R, Drop A, Jimenez Rubio C, Isasti Aizpurua G, Miralles Ibarra J, Al-Mallah M, Somg T, Alam S, Chattahi J, Zweig B, Dhanalakota K, Boedeker S, Ananthasubramaniam K, Park C, March K, Jones S, Mayet J, Tillin T, Chaturvedi N, Hughes A, Hamodraka E, Kallistratos E, Karamanou A, Tsoukas T, Mavropoulos D, Kouremenos N, Zaharopoulou I, Nikolaidis N, Kremastinos D, Manolis A, Loboz-Rudnicka M, Jaroch J, Bociaga Z, Kruszynska E, Ciecierzynska B, Dziuba M, Dudek K, Uchmanowicz I, Loboz-Grudzien K, Silva D, Magalhaes A, Jorge C, Cortez-Dias N, Carrilho-Ferreira P, Silva Marques J, Portela I, Pascoa C, Nunes Diogo A, Brito D, Roosens B, Bala G, Droogmans S, Hostens J, Somja J, Delvenne E, Schiettecatte J, Lahoutte T, Van Camp G, Cosyns B. Poster Session: Right ventricular systolic function. Eur Heart J Cardiovasc Imaging 2012. [DOI: 10.1093/ehjci/jes268] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Poulter NR, Chaturvedi N. Commentary: Shaper and Jones, 'Serum-cholesterol, diet and coronary heart-disease in Africans and Asians in Uganda': 50-year-old findings only need interpretational fine tuning to come up to speed! Int J Epidemiol 2012; 41:1228-30. [DOI: 10.1093/ije/dys136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Williams ED, Tillin T, Chaturvedi N. OP31 Ethnic Differences in the Development of Disability Over 20 Years: Results from the Sabre Study. Br J Soc Med 2012. [DOI: 10.1136/jech-2012-201753.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Islam M, Jafar TH, Wood AR, De Silva NMG, Caulfield M, Chaturvedi N, Frayling TM. Multiple genetic variants explain measurable variance in type 2 diabetes-related traits in Pakistanis. Diabetologia 2012; 55:2193-204. [PMID: 22538361 DOI: 10.1007/s00125-012-2560-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2011] [Accepted: 03/05/2012] [Indexed: 10/28/2022]
Abstract
AIMS/HYPOTHESIS Multiple genetic variants are associated with type 2 diabetes-related traits in Europeans, but their role in South Asian populations needs further study. We hypothesised that genetic variants associated with diabetes-related traits in Europeans would explain a similar proportion of phenotypic variance in a Pakistani population and could be used in Mendelian randomisation analyses. METHODS We used data from 2,131 individuals from the Control of Blood Pressure and Risk Attenuation Trial (COBRA) in Karachi, Pakistan. Individuals were aged 40 years or older. RESULTS Combining information from multiple genetic variants showed that fasting glucose, BMI, triacylglycerol, and systolic and diastolic blood pressure variants explained 2.9%, 0.7%, 5.5%, 1.2% and 1.8% of the variance in those traits respectively. Genetic risk scores of fasting glucose, triacylglycerol, BMI, systolic blood pressure and diastolic blood pressure variants were associated with these traits, with per allele SD effects of 0.057 (95% CI 0.041, 0.074), p=3.44 × 10(-12), 0.130 (95% CI 0.105, 0.155), p=2.9 × 10(-21), 0.04 (95% CI 0.014, 0.072), p=0.004, 0.031 (95% CI 0.016, 0.047), p=7.9 × 10(-5), 0.028 (95% CI 0.015, 0.042), p = 5.5 × 10(-5), respectively. These effects are consistent with those observed in Europeans, except that the effect of triacylglycerol variants in South Asians was slightly lower. Mendelian randomisation provided evidence that genetically influenced, raised triacylglycerol levels do not causally affect type 2 diabetes risk to the extent predicted from observational data (p=0.0003 for difference between observed and instrumental variables correlations). CONCLUSIONS/INTERPRETATION Genetic variants identified in Europeans are associated with type 2 diabetes-related traits in Pakistanis, with comparable effect sizes. Larger studies are needed to perform adequately powered Mendelian randomisation and help dissect the relationships between type 2 diabetes-related traits in diverse South Asian subgroups.
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Affiliation(s)
- M Islam
- Department of Community Health Sciences, Aga Khan University, Stadium Road, PO Box 3500, Karachi, 74800, Pakistan
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Schoenaker DAJM, Toeller M, Chaturvedi N, Fuller JH, Soedamah-Muthu SS. Dietary saturated fat and fibre and risk of cardiovascular disease and all-cause mortality among type 1 diabetic patients: the EURODIAB Prospective Complications Study. Diabetologia 2012; 55:2132-41. [PMID: 22526612 PMCID: PMC3390695 DOI: 10.1007/s00125-012-2550-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2011] [Accepted: 02/29/2012] [Indexed: 11/17/2022]
Abstract
AIMS/HYPOTHESIS Low adherence to recommendations for dietary saturated fatty acid (SFA) and fibre intake in patients with type 1 diabetes mellitus may heighten their increased risk of cardiovascular disease (CVD) and mortality. We examined the relationship of SFA and total, soluble and insoluble fibre with incident CVD and all-cause mortality in type 1 diabetic patients. METHODS A prospective cohort analysis was performed in 2,108 European type 1 diabetic patients aged 15-60 years who were free of CVD at baseline and enrolled in the EURODIAB Prospective Complications Study (51% male). Diet was assessed from a standardised 3 day dietary record. HR were calculated using Cox proportional hazards models. RESULTS During a mean follow-up of 7.3 years, 148 incident cases of fatal and non-fatal CVD and 46 all-cause deaths were documented. No statistically significant association was found between SFA and CVD and all-cause mortality. Total dietary fibre, per 5 g/day, was associated with lower all-cause mortality risk (HR 0.72; 95% CI 0.55, 0.95). This association was stronger for soluble fibre (per 5 g/day, HR 0.34; 95% CI 0.14, 0.80) compared with insoluble fibre (per 5 g/day; HR 0.66; 95% CI 0.45, 0.97). Similar results were found for the association with CVD. CONCLUSIONS/INTERPRETATION This study suggests that reported dietary SFA is not significantly associated with CVD and all-cause mortality in type 1 diabetic patients. On the contrary, higher dietary fibre consumption, especially soluble fibre, within the range commonly consumed by type 1 diabetic patients, may contribute to the prevention of CVD and all-cause mortality in type 1 diabetic patients.
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Affiliation(s)
- D. A. J. M. Schoenaker
- Division of Human Nutrition, Wageningen University, P.O. Box 8129, 6700 EV Wageningen, The Netherlands
| | - M. Toeller
- Department of Endocrinology, Diabetology and Rheumatology, University Hospital, Heinrich-Heine-University, Düsseldorf, Germany
| | - N. Chaturvedi
- International Centre for Circulatory Health, National Heart and Lung Institute, Imperial College London, London, UK
| | - J. H. Fuller
- Department of Epidemiology and Public Health, University College London, London, UK
| | - S. S. Soedamah-Muthu
- Division of Human Nutrition, Wageningen University, P.O. Box 8129, 6700 EV Wageningen, The Netherlands
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Ghosh AK, Hughes AD, Chaturvedi N, Francis DP, Pellerin D, Deanfield J, Pierce M, Kuh D, Mayet J, Hardy RJ. 136 Increase in left ventricular mass in type 2 diabetes is dependent on duration of diabetes. Heart 2012. [DOI: 10.1136/heartjnl-2012-301877b.136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Ghosh AK, Hardy RJ, Francis DP, Chaturvedi N, Pellerin D, Deanfield J, Kuh D, Mayet J, Hughes AD. 137 Time for a review of the “watch and wait” strategy for young borderline-hypertensives? Heart 2012. [DOI: 10.1136/heartjnl-2012-301877b.137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Darbyshire J, Sitzia J, Cameron D, Ford G, Littlewood S, Kaplan R, Johnston D, Matthews D, Holloway J, Chaturvedi N, Morgan C, Riley A, Rossor M, Kotting P, McKeith I, Smye S, Gower J, Brown V, Smyth R, Poustie V, van't Hoff W, Wallace P, Ellis T, Wykes T, Burns S, Rosenberg W, Lester N, Stead M, Potts V, Johns C, Campbell H, Hamilton R, Sheffield J, Selby P. Extending the clinical research network approach to all of healthcare. Ann Oncol 2012; 22 Suppl 7:vii36-vii43. [PMID: 22039143 DOI: 10.1093/annonc/mdr424] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The development of Clinical Research Networks (CRN) has been central to the work conducted by Health Departments and research funders to promote and support clinical research within the NHS in the UK. In England, the National Institute for Health Research has supported the delivery of clinical research within the NHS primarily through CRN. CRN provide the essential infrastructure within the NHS for the set up and delivery of clinical research within a high-quality peer-reviewed portfolio of studies. The success of the National Cancer Research Network is summarized in Chapter 5. In this chapter progress in five other topics, and more recently in primary care and comprehensively across the NHS, is summarized. In each of the 'topic-specific' networks (Dementias and Neurodegenerative Diseases, Diabetes, Medicines for Children, Mental Health, Stroke) there has been a rapid and substantial increase in portfolios and in the recruitment of patients into studies in these portfolios. The processes and the key success factors are described. The CRN have worked to support research supported by pharmaceutical, biotechnology and medical device companies and there has been substantial progress in improving the speed, cost and delivery of these 'industry' studies. In particular, work to support the increased speed of set up and delivery of industry studies, and to embed this firmly in the NHS, was explored in the North West of England in an Exemplar Programme which showed substantial reductions in study set-up times and improved recruitment into studies and showed how healthcare (NHS) organizations can overcome delays in set up times when they actively manage the process. Seven out of 20 international studies reported that the first patient to be entered anywhere in the world was from the UK. In addition, the CRN have supported research management and governance, workforce development and clinical trials unit collaboration and coordination. International peer reviews of all of the CRN have been positive and resulted in the continuation of the system for a further 5 years in all cases.
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Park C, March K, Tillin T, Chaturvedi N, Hughes A. P1.12 ETHNIC DIFFERENCES IN LEFT VENTRICLE MYOCARDIAL OXYGEN DEMAND. Artery Res 2012. [DOI: 10.1016/j.artres.2012.09.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Wanjari MM, Chaturvedi N, Gupta MD, Baroda S, Kumar P, Gaidhani SN. Absence of hypolipidemic effect of Holoptelea integrifolia leaf extract in tyloxapol-induced hyperlipidemic rats. J Pharm Negative Results 2012. [DOI: 10.4103/0976-9234.99641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Vijayan S, Khanji M, Ionescu A, Vijayan S, Ionescu A, Podoleanu C, Frigy A, Ugri A, Varga A, Podoleanu D, Incze A, Carasca E, Dobreanu D, Mjolstad O, Dalen H, Graven T, Kleinau J, Hagen B, Fu H, Liu T, Li J, Liu C, Zhou C, Li G, Bordese R, Capriolo M, Brero D, Salvetti I, Cannillo M, Antolini M, Grosso Marra W, Frea S, Morello M, Gaita F, Maffessanti F, Caiani E, Muraru D, Tuveri F, Dal Bianco L, Badano L, Majid A, Soesanto A, Ario Suryo Kuncoro B, Sukmawan R, Ganesja MH, Benedek T, Chitu M, Beata J, Suciu Z, Kovacs I, Bucur O, Benedek I, Hrynkiewicz-Szymanska A, Szymanski F, Karpinski G, Filipiak K, Radunovic Z, Lande Wekre L, Steine K, Bech-Hanssen O, Rundqvist B, Lindgren F, Selimovic N, Jedrzychowska-Baraniak J, Jozwa R, Larysz B, Kasprzak J, Ripp T, Mordovin V, Ripp E, Ciobanu A, Dulgheru R, Dragoi R, Magda S, Florescu M, Mihaila S, Rimbas R, Cinteza M, Vinereanu D, Benavides-Vallve C, Pelacho B, Iglesias O, Castano S, Munoz-Barrutia A, Prosper F, Ortiz De Solorzano C, Manouras A, Sahlen A, Winter R, Vardas P, Brodin L, Sarvari SI, Haugaa KH, Zahid W, Bendz B, Aaberge L, Edvardsen T, Di Bella G, Pedri S, Donato R, Madaffari A, Zito C, Stapf D, Schreckenberg M, Carerj S, Yoshikawa H, Suzuki M, Kusunose Y, Hashimoto G, Otsuka T, Nakamura M, Sugi K, Grapsa J, Dawson D, Gin-Sing W, Howard L, Gibbs J, Nihoyannopoulos P, Smith B, Grapsa J, Dawson D, Coulter T, Rendon A, Gorissen W, Nihoyannopoulos P, Shiran A, Asmer I, Adawi S, Ganaeem M, Shehadeh J, Cameli M, Lisi M, Righini F, Maccherini M, Sani G, Galderisi M, Mondillo S, Kalimanovska-Ostric D, Nastasovic T, Jovanovic I, Milakovic B, Dostanic M, Stosic M, Sasic I, Sveen K, Nerdrum T, Hanssen K, Dahl-Jorgensen K, Steine K, Holte E, Vegsundvaag J, Hole T, Hegbom K, Wiseth R, Ikonomidis I, Lekakis J, Tritakis V, Papadakis I, Kadoglou N, Tzortzis S, Trivilou P, Koukoulis C, Paraskevaidis I, Anastasiou-Nana M, Smedsrud MK, Sarvari S, Haugaa KH, Gjesdal O, Aaberge L, Edvardsen T, Muraru D, Beraldo M, Solda' E, Cucchini U, Peluso D, Tuveri M, Al Mamary A, Badano L, Iliceto S, Dores H, Abecasis J, Carvalho M, Santos M, Andrade M, Ribeiras R, Reis C, Horta E, Gouveia R, Mendes M, Zaliaduonyte-Peksiene D, Mizariene V, Cesnaite G, Tamuleviciute E, Jurkevicius R, Vaskelyte J, Zaliunas R, Smarz K, Zaborska B, Jaxa-Chamiec T, Maciejewski P, Budaj A, Trifunovic D, Sobic-Saranovic D, Stankovic S, Ostojic M, Vujisic-Tesic B, Petrovic M, Nedeljkovic I, Banovic M, Tesic M, Petrovic I, Peovska I, Srbinovska E, Maksimovic J, Andova V, Arnaudova F, Hristova E, Otljanska M, Vavlukis M, Jovanova S, Tamborini G, Fusini L, Gripari P, Muratori M, Pontone G, Andreini D, Bertella E, Ghulam Ali S, Bartorelli A, Pepi M, Zito C, Cusma-Piccione M, Salvia J, Antonini-Canterin F, Lentini S, Di Bella G, Donato D, Miceli M, Oreto G, Carerj S, Shiran A, Adawi S, Sachner R, Asmer I, Ganaeem M, Rubinshtein R, Shnapp M, Gaspar T, Marchese A, Deste W, Sanfilippo A, Aruta P, Patane M, Millan G, Ussia G, Tamburino C, Banovic M, Vujisic-Tesic B, Kujacic V, Obradovic S, Nedeljkovic I, Trifunovic D, Petrovic M, Crkvenac Z, Ostojic M, Bernard A, Piquemal M, Muller G, Arbeille P, Charbonnier B, Broyd C, Davies J, Mikhail G, Mayet J, Francis D, Rosca M, Magne J, Szymanski C, Popescu B, Ginghina C, Pierard L, Lancellotti P, Gonzalez-Mansilla A, Solis J, Angulo R, Perez-David E, Madrid G, Garcia-Robles J, Yotti R, Prieto R, Bermejo J, Fernandez-Aviles F, Otsuka T, Suzuki M, Yoshikawa H, Ishikawa Y, Ishida T, Osaki T, Matsuyama M, Yamashita H, Ozaki S, Sugi K, Stevanella M, Votta E, Fusini L, Veronesi F, Tamborini G, Pepi M, Maffessanti F, Alamanni F, Redaelli A, Caiani E, Park SD, Lee J, Shin S, Woo S, Kim D, Park K, Kwan J, Tsang W, Chandra S, Weinert L, Gayat E, Djelassi M, Balbach T, Mor-Avi V, Lang R, De Meester P, Van De Bruaene A, Delcroix M, Budts W, Abid L, Frikha Z, Makni K, Rekik H, Znazen A, Mourad H, Kammoun S, Sargento L, Satendra M, Sousa C, Lopes S, Longo S, Lousada N, Palma Reis R, Fouad D, Shams Eldeen R, Rosca M, Popescu B, Beladan C, Calin A, Voinea F, Enache R, Jurcut R, Coman I, Ghionea M, Ginghina C, Tesic M, Djordjevic-Dikic A, Trifunovic D, Petrovic O, Nedeljkovic I, Petrovic M, Boricic M, Giga V, Ostojic M, Vujisic-Tesic B, Pisciella L, Lanzillo C, Minati M, Caselli S, Di Roma M, Fratini S, Romano S, Calo' L, Lioy E, Penco M, Finocchiaro G, Pinamonti B, Merlo M, Barbati G, Sinagra G, Finocchiaro G, Pinamonti B, Merlo M, Barbati G, Dilenarda A, Sinagra G, Comenale Pinto S, Ancona R, Caso P, Cavallaro C, Vecchione F, D'onofrio A, Fero' M, Calabro' R, Gustafsson S, Ihse E, Henein M, Westermark P, Suhr O, Lindqvist P, Oliva Sandoval M, Gonzalez Carrillo M, Garcia Navarro M, Garcia-Molina Saez E, Sabater Molina M, Saura Espin D, Lacunza Ruiz J, Gimeno Blanes J, De La Morena Valenzuela G, Valdes Chavarri M, Prinz C, Faber L, Horstkotte D, Hoetz H, Voigt J, Dores H, Gandara F, Correia M, Abecasis J, Rosario I, Fonseca C, Arroja I, Aleixo A, Martins A, Mendes M, Radulescu L, Dan Radulescu D, Parv Andreea P, Duncea Caius D, Ciuleanu T C, Mitrea Paulina M, Frea S, Capriolo M, Grosso Marra W, Cali Quaglia F, Bordese R, Ribezzo M, Boffini M, Rinaldi M, Gaita F, Morello M, Maceira Gonzalez AM, Cosin-Sales J, Dalli E, Diago J, Aguilar J, Ruvira J, Sousa C, Goncalves S, Gomes A, Pinto F, Tsai WC, Liu YW, Shih JY, Huang YY, Chen JY, Tsai LM, Chen JH, Sargento L, Satendra M, Longo S, Lousada N, Palma Reis R, Ribeiro S, Doroteia D, Goncalves S, Santos L, David C, Vinhas De Sousa G, Almeida A, Iwase M, Itou Y, Yasukochi S, Shiino K, Inuzuka H, Sugimoto K, Ozaki Y, Gieszczyk-Strozik K, Sikora-Puz A, Mizia M, Lasota B, Chmiel A, Lis-Swiety A, Michna J, Brzezinska-Wcislo L, Mizia-Stec K, Gasior Z, Luijendijk P, De Bruin-Bon H, Zwiers C, Vriend J, Van Den Brink R, Mulder B, Bouma B, Brigido S, Gianfagna P, Proclemer A, Plicht B, Kahlert P, Kaelsch H, Buck T, Erbel R, Konorza T, Yoon H, Kim K, Ahn Y, Jeong M, Cho J, Park J, Kang J, Rha W, Jansen Klomp WW, Brandon Bravo Bruinsma G, Van 'T Hof A, Spanjersberg S, Nierich A, Bombardini T, Gherardi S, Picano E, Ciarka A, Herbots L, Eroglu E, Van Cleemput J, Droogne W, Jasityte R, Meyns B, Voigt J, D'hooge J, Vanhaecke J, Al Barjas M, Iskreva R, Morris R, Davar J, Zhao Y, Lindqvist P, Holmgren A, Morner S, Henein M, Nedeljkovic I, Ostojic M, Giga V, Stepanovic J, Djordjevic-Dikic A, Beleslin B, Nedeljkovic M, Banovic M, Mazic S, Stojanov V, Piatkowski R, Kochanowski J, Scislo P, Grabowski M, Marchel M, Roik M, Kosior D, Opolski G, Tomaszewski A, Kutarski A, Tomaszewski M, Eibel S, Hasheminejad E, Mukherjee C, Tschernich H, Ender J, Delithanasis I, Celutkiene J, Kenny C, Monaghan M, Van Den Oord S, Ten Kate G, Akkus Z, Renaud G, Sijbrands E, Ten Cate F, De Jong N, Bosch J, Van Der Steen A, Schinkel A, Lisowska A, Knapp M, Tycinska A, Sawicki R, Kralisz P, Sobkowicz B, Chang SA, Lee SC, Kim EY, Hahm SH, Ahn GT, Sohn MK, Park SJ, Choi JO, Park SW, Oh JK, Gursoy MO, Gokdeniz T, Astarcioglu M, Bayram Z, Cakal B, Karakoyun S, Kalcik M, Kahveci G, Yildiz M, Ozkan M, Muraru D, Dal Bianco L, Solda' E, Cucchini U, Peluso D, Tuveri M, Al Mamary A, Badano L, Iliceto S, Skidan V, Borowski A, Park M, Thomas J, Ranjbar S, Hassantash S, Karvandi M, Foroughi M, Davidsen ES, Cramariuc D, Bleie O, Gerdts E, Matre K, Cusma' Piccione M, Zito C, Bagnato G, Di Bella G, Mohammed M, Piluso S, Oreto L, Oreto G, Bagnato G, Carerj S, Prinz C, Bitter T, Faber L, Horstkotte D, Dores H, Abecasis J, Carvalho S, Santos M, Andrade M, Ribeiras R, Canada M, Reis C, Gouveia R, Mendes M, Santisteban Sanchez De Puerta M, Mesa Rubio MD, Ruiz Ortiz M, Delgado Ortega M, Pena Pena ML, Puentes Chiachio M, Suarez De Lezo Cruz-Conde J, Pan Alvarez-Ossorio M, Mazuelos Bellido F, Suarez De Lezo Herreros De Tejada J, Altekin E, Yanikoglu A, Karakas S, Oncel C, Akdemir B, Belgi Yildirim A, Cilli A, Yilmaz H, Lenartowska L, Furdal M, Knysz B, Konieczny A, Lewczuk J, Comenale Pinto S, Ancona R, Caso P, Severino S, Cavallaro M, Coppola M, Calabro' R, Motoki H, To A, Bhargava M, Wazni O, Marwick T, Klein A, Sinkovskaya E, Horton S, Abuhamad A, Mingo Santos S, Monivas Palomero V, Beltran Correas B, Mitroi C, Gutierrez Landaluce C, Garcia Lunar I, Gonzalez Mirelis J, Cavero M, Segovia Cubero J, Alonso Pulpon L, Gurel E, Karaahmet T, Tigen K, Kirma C, Dundar C, Pala S, Isiklar I, Cevik C, Kilicgedik A, Basaran Y, Brambatti M, Romandini A, Barbarossa A, Molini S, Urbinati A, Giovagnoli A, Cipolletta L, Capucci A, Park S, Choi E, Ahn C, Hong S, Kim M, Lim D, Shim W, Xie J, Fang F, Zhang Q, Chan J, Yip G, Sanderson J, Lam Y, Yan B, Yu C, Jorge Perez P, De La Rosa Hernandez A, Hernandez Garcia C, Duque Garcia A, Barragan Acea A, Arroyo Ucar E, Jimenez Rivera J, Lacalzada Almeida J, Laynez Cerdena I, Maffessanti F, Gripari P, Pontone G, Andreini D, Tamborini G, Carminati C, Pepi M, Caiani E, Capoulade R, Larose E, Clavel M, Dumesnil J, Arsenault M, Bedard E, Mathieu P, Pibarot P, Gargani L, Baldi G, Forfori F, Caramella D, D'errico L, Abramo A, Sicari R, Picano E, Giunta F, Lee WN, Larrat B, Messas E, Pernot M, Tanter M, Velagic V, Cikes M, Matasic R, Skorak I, Skorak I, Samardzic J, Puljevic D, Lovric Bencic M, Biocina B, Milicic D, Roosens B, Bala G, Droogmans S, Hostens J, Somja J, Delvenne E, Schiettecatte J, Lahoutte T, Van Camp G, Cosyns B, Ghosh A, Hardy R, Chaturvedi N, Francis D, Deanfield J, Pellerin D, Kuh D, Hughes A, Malmgren A, Dencker M, Stagmo M, Gudmundsson P, Seo Y, Ishizu T, Aonuma K, Schuuring MJ, Vis J, Bouma B, Van Dijk A, Van Melle J, Pieper P, Vliegen H, Sieswerda G, Mulder B, Foukarakis E, Pitarokilis A, Kafarakis P, Kiritsi A, Klironomos E, Manousakis A, Fragiadaki X, Papadakis E, Dermitzakis A. Poster Session 1: Thursday 8 December 2011, 08:30-12:30 * Location: Poster Area. European Journal of Echocardiography 2011. [DOI: 10.1093/ejechocard/jer206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Kenny C, Adhya S, Dworakowski R, Brickham B, Maccarthy P, Monaghan M, Guzzo A, Innocenti F, Vicidomini S, Lazzeretti D, Squarciotta S, De Villa E, Donnini C, Bulletti F, Guerrini E, Pini R, Bendjelid K, Viale J, Duperret S, Piriou V, Jacques D, Shahgaldi K, Silva C, Pedro F, Deister L, Brodin LA, Sahlen A, Manouras A, Winter R, Berjeb N, Cimadevilla C, Dreyfus J, Cueff C, Malanca M, Chiampan A, Vahanian A, Messika-Zeitoun D, Muraru D, Peluso D, Dal Bianco L, Beraldo M, Solda' E, Tuveri M, Cucchini U, Al Mamary A, Badano L, Iliceto S, Almuntaser I, King G, Norris S, Daly C, Ellis E, Murphy R, Erdei T, Denes M, Kardos A, Foldesi C, Temesvari A, Lengyel M, Bouzas Mosquera A, Broullon F, Alvarez-Garcia N, Peteiro J, Barge-Caballero G, Lopez-Perez M, Lopez-Sainz A, Castro-Beiras A, Luotolahti M, Luotolahti H, Kantola I, Viikari J, Andersen M, Ersboell M, Bro-Jeppesen J, Gustafsson F, Koeber L, Hassager C, Moller J, Coisne D, Diakov C, Vallet F, Lequeux B, Blouin P, Christiaens L, Esposito R, Santoro A, Schiano Lomoriello V, Raia R, Santoro C, De Simone G, Galderisi M, Sahlen A, Abdula G, Winter R, Kosmala W, Szczepanik-Osadnik H, Przewlocka-Kosmala M, Mysiak A, O' Moore-Sullivan T, Marwick T, Tan YT, Wenzelburger F, Leyva F, Sanderson J, Pichler P, Syeda B, Hoefer P, Zuckermann A, Binder T, Fijalkowski M, Koprowski A, Galaska R, Blaut K, Sworczak K, Rynkiewicz A, Lee S, Kim W, Jung L, Yun H, Song M, Ko J, Khalifa EA, Szymanski P, Lipczynska M, Klisieiwcz A, Hoffman P, Jorge C, Silva Marques J, Robalo Martins S, Calisto C, Mieiro M, Vieira S, Correia M, Carvalho De Sousa J, Almeida A, Nunes Diogo A, Park C, March K, Tillin T, Mayet J, Chaturvedi N, Hughes A, Di Bello V, Giannini C, Delle Donne M, De Sanctis F, Spontoni P, Cucco C, Corciu A, Grigoratos C, Bogazzi F, Balbarini A, Enescu O, Suran B, Florescu M, Cinteza M, Vinereanu D, Higuchi Y, Iwakura K, Okamura A, Date M, Fujii K, Jorge C, Cortez-Dias N, Silva D, Carrilho-Ferreira P, Silva Marques J, Magalhaes A, Ribeiro S, Goncalves S, Fiuza M, Pinto F, Jorge C, Cortez-Dias N, Silva D, Silva Marques J, Carrilho-Ferreira P, Placido R, Bordalo A, Goncalves S, Fiuza M, Pinto F, Grzywocz P, Mizia-Stec K, Chudek J, Gasior Z, Maceira Gonzalez AM, Cosin Sales J, Dalli E, Igual B, Diago J, Aguilar J, Ruvira J, Cimino S, Pedrizzetti G, Tonti G, Canali E, Petronilli V, Boccalini F, Mattatelli A, Hiramoto Y, Iacoboni C, Agati L, Trifunovic D, Ostojic M, Vujisic-Tesic B, Petrovic M, Nedeljkovic I, Banovic M, Boricic-Kostic M, Draganic G, Tesic M, Petrovic M, Gavina C, Lopes R, Lourenco A, Almeida J, Rodrigues J, Pinho P, Zamorano J, Leite-Moreira A, Rocha-Goncalves F, Clavel MA, Capoulade R, Dumesnil J, Mathieu P, Despres JP, Pibarot P, Bull S, Pitcher A, Augustine D, D'arcy J, Karamitsos T, Rai A, Prendergast B, Becher H, Neubauer S, Myerson S, Magne J, Donal E, Davin L, O'connor K, Pirlet C, Rosca M, Szymanski C, Cosyns B, Pierard L, Lancellotti P, Calin A, Rosca M, Popescu B, Beladan C, Enache R, Lupascu L, Sandu C, Lancellotti P, Pierard L, Ginghina C, Kamperidis V, Hadjimiltiadis S, Sianos G, Anastasiadis K, Grosomanidis V, Efthimiadis G, Karvounis H, Parharidis G, Styliadis I, Gonzalez Canovas C, Munoz-Esparza C, Bonaque Gonzalez J, Fernandez A, Salar Alcaraz M, Saura Espin D, Pinar Bermudez E, Oliva-Sandoval M, De La Morena Valenzuela G, Valdes Chavarri M, Dreyfus J, Brochet E, Lepage L, Attias D, Cueff C, Detaint D, Himbert D, Iung B, Vahanian A, Messika-Zeitoun D, Pirat B, Little S, Chang S, Tiller L, Kumar R, Zoghbi W, Lee APW, Hsiung M, Wan S, Wong R, Luo F, Fang F, Xie J, Underwood M, Sun J, Yu C, Jansen R, Tietge W, Sijbrandij K, Cramer M, De Heer L, Kluin J, Chamuleau SAJ, Oliveras Vila T, Ferrer Sistach E, Delgado Ramis L, Lopez Ayerbe J, Vallejo Camazon N, Gual Capllonch F, Garcia Alonso C, Teis Soley A, Ruyra Baliarda X, Bayes Genis A, Negrea S, Alexandrescu C, Bourlon F, Civaia F, Dreyfus G, Paetzold S, Luha O, Hoedl R, Stoschitzky G, Pfeiffer K, Zweiker D, Pieske B, Maier R, Sevilla T, Revilla A, Lopez J, Vilacosta I, Arnold R, Gomez I, San Roman J, Nikcevic G, Djordjevic Dikic A, Djordjevic S, Raspopovic S, Jovanovic V, Kircanski B, Pavlovic S, Milasinovic G, Ruiz-Zamora I, Cabrera Bueno F, Molina M, Fernandez-Pastor J, Pena J, Linde A, Barrera A, Alzueta J, Bremont C, Bensaid A, Alonso H, Zaghden O, Nahum J, Dubois-Rande J, Gueret P, Lim P, Lee SP, Park K, Kim HR, Lee JH, Ahn HS, Kim JH, Kim HK, Kim YJ, Sohn DW, Niemann M, Herrmann S, Hu K, Liu D, Beer M, Ertl G, Wanner C, Takenaka T, Tei C, Weidemann F, Silva D, Madeira H, Mendes Pedro M, Nunes Diogo A, Brito D, Schiano Lomoriello V, Ippolito R, Santoro A, Esposito R, Raia R, De Palma D, Galderisi M, Gati S, Oxborough D, Reed M, Zaidi A, Ghani S, Sheikh N, Papadakis M, Sharma S, Chow V, Ng A, Pasqualon T, Zhao W, Hanzek D, Chung T, Yeoh T, Kritharides L, Florescu M, Magda L, Enescu O, Mihalcea D, Suran B, Jinga D, Mincu R, Cinteza M, Vinereanu D, Ferrazzi E, Segato G, Folino F, Famoso G, Senzolo M, Bellu R, Corbetti F, Iliceto S, Tona F, Azevedo O, Quelhas I, Guardado J, Fernandes M, Pereira V, Medeiros R, Lourenco A, Sousa P, Santos W, Pereira S, Marques N, Mimoso J, Marques V, Jesus I, Rustad L, Nytroen K, Gullestad L, Amundsen B, Aakhus S, Linhartova K, Sterbakova G, Necas J, Kovalova S, Cerbak R, Nelassov N, Korotkijan N, Shishkina A, Gagieva B, Nagaplev M, Eroshenko O, Morgunov M, Parmon S, Velthuis S, Van Gent M, Post M, Westermann C, Mager J, Snijder R, Koyalakonda SP, Anderson M, Burgess M, Bergenzaun L, Chew M, Ohlin H, Gjerdalen GF, Hisdal J, Solberg E, Andersen T, Radunovic Z, Steine K, Rutz T, Kuehn A, Petzuch K, Pekala M, Elmenhorst J, Fratz S, Mueller J, Hager A, Hess J, Vogt M, Van Der Linde D, Van De Laar I, Wessels M, Bekkers J, Moelker A, Tanghe H, Van Kooten F, Oldenburg R, Bertoli-Avella A, Roos-Hesselink J, Cresti A, Fontani L, Calabria P, Capati E, Severi S, Lynch M, Saraf S, Sandler B, Yoon S, Kim S, Ko C, Ryu S, Byun Y, Seo H, Ciampi Q, Rigo F, Pratali L, 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Estornell J, Tsverava M, Tsverava D, Varela A, Salagianni M, Galani I, Andreakos E, Davos C, Ikonomidis I, Lekakis J, Tritakis V, Kadoglou N, Papadakis J, Trivilou P, Tzortzis S, Koukoulis C, Paraskevaidis I, Anastasiou-Nana M, Kim G, Youn H, Park C, Ibrahimi P, Bajraktari G, Jashari F, Ahmeti A, Poniku A, Haliti E, Henein M, Pezo Nikolic B, Jurin H, Lovric D, Baricevic Z, Ivanac Vranesic I, Lovric Bencic M, Ernst A, Separovic Hanzevacki J. Poster Session 3: Friday 9 December 2011, 08:30-12:30 * Location: Poster Area. European Journal of Echocardiography 2011. [DOI: 10.1093/ejechocard/jer214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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