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Kaptoge S, Seshasai SRK, Sun L, Walker M, Bolton T, Spackman S, Ataklte F, Willeit P, Bell S, Burgess S, Pennells L, Altay S, Assmann G, Ben-Shlomo Y, Best LG, Björkelund C, Blazer DG, Brenner H, Brunner EJ, Dagenais GR, Cooper JA, Cooper C, Crespo CJ, Cushman M, D'Agostino RB, Daimon M, Daniels LB, Danker R, Davidson KW, de Jongh RT, Donfrancesco C, Ducimetiere P, Elders PJM, Engström G, Ford I, Gallacher I, Bakker SJL, Goldbourt U, de La Cámara G, Grimsgaard S, Gudnason V, Hansson PO, Imano H, Jukema JW, Kabrhel C, Kauhanen J, Kavousi M, Kiechl S, Knuiman MW, Kromhout D, Krumholz HM, Kuller LH, Laatikainen T, Lowler DA, Meyer HE, Mukamal K, Nietert PJ, Ninomiya T, Nitsch D, Nordestgaard BG, Palmieri L, Price JF, Ridker PM, Sun Q, Rosengren A, Roussel R, Sakurai M, Salomaa V, Schöttker B, Shaw JE, Strandberg TE, Sundström J, Tolonen H, Tverdal A, Verschuren WMM, Völzke H, Wagenknecht L, Wallace RB, Wannamethee SG, Wareham NJ, Wassertheil-Smoller S, Yamagishi K, Yeap BB, Harrison S, Inouye M, Griffin S, Butterworth AS, Wood AM, Thompson SG, Sattar N, Danesh J, Di Angelantonio E, Tipping RW, Russell S, Johansen M, Bancks MP, Mongraw-Chaffin M, Magliano D, Barr ELM, Zimmet PZ, Knuiman MW, Whincup PH, Willeit J, Willeit P, Leitner C, Lawlor DA, Ben-Shlomo Y, Elwood P, Sutherland SE, Hunt KJ, Cushman M, Selmer RM, Haheim LL, Ariansen I, Tybjaer-Hansen A, Frikkle-Schmidt R, Langsted A, Donfrancesco C, Lo Noce C, Balkau B, Bonnet F, Fumeron F, Pablos DL, Ferro CR, Morales TG, Mclachlan S, Guralnik J, Khaw KT, Brenner H, Holleczek B, Stocker H, Nissinen A, Palmieri L, Vartiainen E, Jousilahti P, Harald K, Massaro JM, Pencina M, Lyass A, Susa S, Oizumi T, Kayama T, Chetrit A, Roth J, Orenstein L, Welin L, Svärdsudd K, Lissner L, Hange D, Mehlig K, Salomaa V, Tilvis RS, Dennison E, Cooper C, Westbury L, Norman PE, Almeida OP, Hankey GJ, Hata J, Shibata M, Furuta Y, Bom MT, Rutters F, Muilwijk M, Kraft P, Lindstrom S, Turman C, Kiyama M, Kitamura A, Yamagishi K, Gerber Y, Laatikainen T, Salonen JT, van Schoor LN, van Zutphen EM, Verschuren WMM, Engström G, Melander O, Psaty BM, Blaha M, de Boer IH, Kronmal RA, Sattar N, Rosengren A, Nitsch D, Grandits G, Tverdal A, Shin HC, Albertorio JR, Gillum RF, Hu FB, Cooper JA, Humphries S, Hill- Briggs F, Vrany E, Butler M, Schwartz JE, Kiyama M, Kitamura A, Iso H, Amouyel P, Arveiler D, Ferrieres J, Gansevoort RT, de Boer R, Kieneker L, Crespo CJ, Assmann G, Trompet S, Kearney P, Cantin B, Després JP, Lamarche B, Laughlin G, McEvoy L, Aspelund T, Thorsson B, Sigurdsson G, Tilly M, Ikram MA, Dorr M, Schipf S, Völzke H, Fretts AM, Umans JG, Ali T, Shara N, Davey-Smith G, Can G, Yüksel H, Özkan U, Nakagawa H, Morikawa Y, Ishizaki M, Njølstad I, Wilsgaard T, Mathiesen E, Sundström J, Buring J, Cook N, Arndt V, Rothenbacher D, Manson J, Tinker L, Shipley M, Tabak AG, Kivimaki M, Packard C, Robertson M, Feskens E, Geleijnse M, Kromhout D. Life expectancy associated with different ages at diagnosis of type 2 diabetes in high-income countries: 23 million person-years of observation. Lancet Diabetes Endocrinol 2023; 11:731-742. [PMID: 37708900 PMCID: PMC7615299 DOI: 10.1016/s2213-8587(23)00223-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 07/14/2023] [Accepted: 07/14/2023] [Indexed: 09/16/2023]
Abstract
BACKGROUND The prevalence of type 2 diabetes is increasing rapidly, particularly among younger age groups. Estimates suggest that people with diabetes die, on average, 6 years earlier than people without diabetes. We aimed to provide reliable estimates of the associations between age at diagnosis of diabetes and all-cause mortality, cause-specific mortality, and reductions in life expectancy. METHODS For this observational study, we conducted a combined analysis of individual-participant data from 19 high-income countries using two large-scale data sources: the Emerging Risk Factors Collaboration (96 cohorts, median baseline years 1961-2007, median latest follow-up years 1980-2013) and the UK Biobank (median baseline year 2006, median latest follow-up year 2020). We calculated age-adjusted and sex-adjusted hazard ratios (HRs) for all-cause mortality according to age at diagnosis of diabetes using data from 1 515 718 participants, in whom deaths were recorded during 23·1 million person-years of follow-up. We estimated cumulative survival by applying age-specific HRs to age-specific death rates from 2015 for the USA and the EU. FINDINGS For participants with diabetes, we observed a linear dose-response association between earlier age at diagnosis and higher risk of all-cause mortality compared with participants without diabetes. HRs were 2·69 (95% CI 2·43-2·97) when diagnosed at 30-39 years, 2·26 (2·08-2·45) at 40-49 years, 1·84 (1·72-1·97) at 50-59 years, 1·57 (1·47-1·67) at 60-69 years, and 1·39 (1·29-1·51) at 70 years and older. HRs per decade of earlier diagnosis were similar for men and women. Using death rates from the USA, a 50-year-old individual with diabetes died on average 14 years earlier when diagnosed aged 30 years, 10 years earlier when diagnosed aged 40 years, or 6 years earlier when diagnosed aged 50 years than an individual without diabetes. Using EU death rates, the corresponding estimates were 13, 9, or 5 years earlier. INTERPRETATION Every decade of earlier diagnosis of diabetes was associated with about 3-4 years of lower life expectancy, highlighting the need to develop and implement interventions that prevent or delay the onset of diabetes and to intensify the treatment of risk factors among young adults diagnosed with diabetes. FUNDING British Heart Foundation, Medical Research Council, National Institute for Health and Care Research, and Health Data Research UK.
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Kiriyama H, Kaneko H, Kamon T, Itoh H, Jo T, Fujiu K, Daimon M, Morita H, Yasunaga H, Komuro I. Association between surgical treatment and in-hospital mortality in patients with infective endocarditis stratified by NYHA classification: a nationwide retrospective study in Japan. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2688] [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
Heart failure (HF) is one of the major complications of infective endocarditis (IE). The ESC guideline described that surgical treatment should be performed for the patients with IE complicated with HF. However, decision making of surgical indication in real-world clinical setting is not easy for patients with IE concomitant with HF due to complicated conditions, and the clinical benefit of surgical intervention for IE and HF is unclear.
Purpose
We sought to uncover the association between surgical treatment and in-hospital mortality among the patients admitted for community-acquired IE respectively according to the severity of HF symptoms (NYHA class I to IV).
Methods
We studied 3,403 patients diagnosed as IE (mean age 65.9 years, 61.6% males) with records of baseline NYHA classification (I to IV) who survived for more than 2 days, using the Diagnosis Procedure Combination database, a nationwide inpatient database in Japan. Patients were classified into four groups: 919 patients (27.0%) in NYHA I, 1,007 patients (29.6%) in NYHA II, 767 patients (22.5%) in NYHA III, and 710 patients (20.9%) in NYHA IV. A multivariable logistic regression model adjusted for age, gender, Barthel Index, Charlson Comorbidity Index, and usage of inotropic therapy at admission was performed to evaluate the association between the surgical treatment and in-hospital mortality.
Results
Patients with higher NYHA classification were significantly older and were more likely to be female than those with lower NYHA classification. At admission, patients with higher NYHA classification had lower baseline activities and higher comorbidities, and also had more complications including stroke, shock and disseminated intravascular coagulation than those with lower NYHA classification. In-hospital mortality was seen in 406 patients (11.9%) in the entire cohort. The mortality rate significantly increased with the NYHA class (NYHA I, 3.6%; NYHA II, 8.4%; NYHA III, 11.9%; NYHA IV, 27.9%: p<0.001). According to the multivariable logistic regression analysis, surgical treatment was independently associated with lower in-hospital mortality (Odds ratio 0.395, 95% Confidence Interval 0.297–0.526; p<0.001). A fragmentated analysis in each NYHA classification showed that the survival benefit of surgical intervention was pronounced in patients with higher NYHA class (Figure). The limitation of our study was including the potential unmeasured confounders, which lead to overestimate the relationship between the surgical treatment and in-hospital mortality even after excluding the critically ill patients who died within 2 days and adjusting for the measured confounders.
Conclusion
Surgical treatment was associated with lower in-hospital mortality among the patients with IE complicated with HF, particularly among those with more advanced HF status. Our study implies that surgical treatment might be beneficial for the patients with advanced HF.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
| | - H Kaneko
- University of Tokyo, Tokyo, Japan
| | - T Kamon
- University of Tokyo, Tokyo, Japan
| | - H Itoh
- University of Tokyo, Tokyo, Japan
| | - T Jo
- University of Tokyo, Tokyo, Japan
| | - K Fujiu
- University of Tokyo, Tokyo, Japan
| | - M Daimon
- University of Tokyo, Tokyo, Japan
| | - H Morita
- University of Tokyo, Tokyo, Japan
| | | | - I Komuro
- University of Tokyo, Tokyo, Japan
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Sawada N, Nakanishi K, Daimon M, Yoshida Y, Ishiwata J, Hirokawa M, Koyama K, Nakao T, Morita H, Di Tullio M, Homma S, Komuro I. Visceral fat accumulation and left atrial phasic function in the general population. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3021] [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
Obesity carries independent risk for incident atrial fibrillation (AF), although the impact of abdominal fat distribution on LA morphological and functional remodeling is not fully elucidated. Speckle-tracking echocardiography is a novel and sensitive tool that allows quantification and detection of subtle alterations in left atrial (LA) phasic function.
Purpose
This study aimed to investigate whether increased visceral adiposity is independently associated with impaired LA phasic function in a community-based cohort.
Methods
We included 527 participants without overt cardiac disease who underwent laboratory testing, abdominal computed tomographic examination and speckle-tracking echocardiography. Abdominal adiposity was quantitatively assessed as visceral fat area (VFA) and subcutaneous fat area (SFA) at the level of the umbilicus. Speckle-tracking echocardiography was performed to assess LA phasic function including reservoir, conduit and pump strain as well as left ventricular global longitudinal strain (LVGLS).
Results
Mean age was 57±10 years and 362 of the participants (69%) were men. LA reservoir and conduit strain were decreased according to the VFA quartiles (both p<0.05), whereas there was no significant difference in LA volume index and LA pump strain. When stratified by SFA, there was no significant differences in LA volume index and all LA phasic strain across the quartiles. In multivariable analysis, VFA as continuous variable was significantly associated with LA conduit strain, independent of traditional cardiovascular risk factors, pertinent laboratory parameters and LV morphology and function including LVGLS (standardized b=−0.146, p=0.011). Representative cases are shown in the Figure.
Conclusion
In a sample of the general population, VFA accumulation was independently associated with worse LA conduit strain, which may be involved in the pathophysiological mechanism of obesity-related AF.
Funding Acknowledgement
Type of funding source: Foundation. Main funding source(s): Yamauchi Susumu Scholarship for Cardiovascular Research
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Affiliation(s)
- N Sawada
- The University of Tokyo, Tokyo, Japan
| | | | - M Daimon
- The University of Tokyo, Tokyo, Japan
| | - Y Yoshida
- The University of Tokyo, Tokyo, Japan
| | | | | | - K Koyama
- The University of Tokyo, Tokyo, Japan
| | - T Nakao
- The University of Tokyo, Tokyo, Japan
| | - H Morita
- The University of Tokyo, Tokyo, Japan
| | - M Di Tullio
- Columbia University, New York, United States of America
| | - S Homma
- Columbia University, New York, United States of America
| | - I Komuro
- The University of Tokyo, Tokyo, Japan
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Nakanishi K, Daimon M, Yoshida Y, Ishiwata J, Sawada N, Hirokawa M, Kaneko H, Nakao T, Mizuno Y, Morita H, Di Tullio M, Homma S, Komuro I. Carotid intima-media thickness and subclinical left heart dysfunction in the general population. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0098] [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
Although carotid intima-media thickness (IMT) is an established marker of atherosclerosis and carries independent risk for cardiovascular disease, its possible association with subclinical cardiac dysfunction has not been extensively evaluated. Left ventricular global longitudinal strain (LVGLS) and peak left atrial longitudinal systolic strain (PALS) can detect subclinical left heart dysfunction.
Purpose
This study aimed to investigate the association between carotid IMT and subclinical left heart dysfunction in a large sample of the general population without overt cardiac disease.
Methods
We examined 1,161 participants who underwent extensive cardiovascular examination. Ultrasonography of common carotid artery was performed for the measurement of maximal carotid IMT. LVGLS and PALS were assessed by 2-dimensional speckle-tracking echocardiography.
Results
Mean age was 62±12 years, and 56% were male. The prevalence of abnormal LVGLS (>−18.6%) and PALS (<31.4%) was greatest in the upper quartile of carotid IMT (both p<0.001; Figure). In multivariable analyses, carotid IMT was associated with abnormal LVGLS (adjusted odds ratio = 1.33 per 1SD increase of IMT, p=0.003) as well as PALS (adjusted odds ratio = 1.33 per 1SD increase of IMT, p=0.005) independent of traditional cardiovascular risk factors, echocardiographic parameters including LV ejection fraction, LV mass index and diastolic dysfunction, and pertinent laboratory parameters. The independent association between carotid IMT and PALS persisted even after adjustment for LVGLS. When carotid IMT was examined as a categorical variable, the upper quartile of carotid IMT carried a significant risk of abnormal LVGLS and PALS in a fully-adjusted model including echocardiographic and laboratory parameters (adjusted odds ratio 2.27 and 3.03 vs. lower quartile, both p<0.01).
Conclusion
Participants with increased IMT had significantly impaired LV and LA function in an unselected community-based cohort. This association may be involved in the higher incidence of cardiovascular disease in individuals with increased carotid IMT.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
| | - M Daimon
- The University of Tokyo, Tokyo, Japan
| | - Y Yoshida
- The University of Tokyo, Tokyo, Japan
| | | | - N Sawada
- The University of Tokyo, Tokyo, Japan
| | | | - H Kaneko
- The University of Tokyo, Tokyo, Japan
| | - T Nakao
- The University of Tokyo, Tokyo, Japan
| | - Y Mizuno
- The University of Tokyo, Tokyo, Japan
| | - H Morita
- The University of Tokyo, Tokyo, Japan
| | - M Di Tullio
- Columbia University Medical Center, Medicine, New York, United States of America
| | - S Homma
- Columbia University Medical Center, Medicine, New York, United States of America
| | - I Komuro
- The University of Tokyo, Tokyo, Japan
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Ishii K, Yoshikawa Y, Hyodo E, Seo Y, Ishizu T, Kihara H, Daimon M, Tanaka A, Watanabe H, Akasaka T, Ito H, Yoshikawa J. Diagnostic accuracy of left ventricular diastolic transverse strain imaging by speckle tracking echocardiography for diagnosing chest pain in diabetic patients. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1386] [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
Two-dimensional speckle tracking echocardiography (2D-STE) has been reported to be useful for the diagnosis of myocardial ischemia by detecting delayed relaxation (diastolic stunning) after an episode of angina. 2D-longitudinal strain is not specific besides ischemia such as diastolic dysfunction, and diabetes have been associated with abnormal longitudinal fibers. The aim is to evaluate the diagnostic accuracy of Left ventricular (LV) diastolic transverse strain imaging by STE to detect the presence of acute coronary syndrome (ACS) in diabetic patients with acute chest pain.
Methods
385 consecutive patients with acute chest pain and without wall motion abnormality, who were admitted to an emergency department (ED) at 1 of 12 clinical sites in Japan, were enrolled and underwent 2D-STE at ED. Left ventricular (LV) transverse strain values at aortic valve closure (A) and one-third of diastole duration (B) were measured. The strain imaging diastolic index (SI-DI) was value was determined as: (A − B)/A × 100% to assess the LV diastolic strain imaging and was used to identify the regional LV delayed relaxation. All patients underwent coronary CT or coronary angiography to establish the diagnosis of ACS. Clinicians were blinded to the 2D-STE results.
Results
Out of 385 patients, 2D-STE analysis was possible in 365 patients (94%). 76 patients were diabetic (DM+), and 289 patients were non-diabetic (DM-). With assessment of coronary CT or coronary angiography, ACS was diagnosed in 125 patients (34%). 2D-STE was obtained at a mean of 5.3 hours after chest pain episode. Transverse SI-DI of ischemic segments were significantly lower than those of non-ischemic segments (p value <0.001) in both diabetic and non-diabetic patients, and transverse SI-DI of both diabetic and non-diabetic patients demonstrated high area under curve (AUC) for detection of myocardial ischemia (Figure: RCA; right coronary artery, LAD; left anterior descending artery, LCX; left circumferencial artery). In diabetic patients, sensitivity, specificity, and negative predictive value for ACS of transverse SI-DI are 100%, 95%, 100% in RCA (a cut-off value of 36.2), and 86.4%, 95%, 93% in LAD (a cut-off value of 50.2), and 75%, 85%, 94% in LCX (a cut-off value of 52), respectively.
Conclusion
LV diastolic transverse strain imaging by 2D-STE at ED increase the sensitivity, specificity and accuracy to predict the presence of ACS in diabetic patients with chest pain, as well as non-diabetic patients. (UMIN000013859).
Figure 1. Transverse Strain (SI-DI): AUC (95% CI)
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- K Ishii
- Kansai Electric Power Hospital, Cardiology, Osaka, Japan
| | - Y Yoshikawa
- Kyoto University Graduate School of Medicine, Cardiology, Kyoto, Japan
| | - E Hyodo
- Nishinomiya Watanabe Cardiovascular Center, Cardiology, Nishinomiya, Japan
| | - Y Seo
- Tsukuba University Hospital, Cardiology, Tsukuba, Japan
| | - T Ishizu
- Tsukuba University Hospital, Cardiology, Tsukuba, Japan
| | - H Kihara
- Kihara Cardiovascular Clinic, Cardiology, Asahikawa, Japan
| | - M Daimon
- University of Tokyo Hospital, Cardiology, Tokyo, Japan
| | - A Tanaka
- Wakayama Medical University, Cardiology, Wakayama, Japan
| | - H Watanabe
- Tokyo Bay Urayasu/Ichikawa Medical Center, Cardiology, Urayasu, Japan
| | - T Akasaka
- Wakayama Medical University, Cardiology, Wakayama, Japan
| | - H Ito
- Okayama University Hospital, Cardiology, Okayama, Japan
| | - J Yoshikawa
- Nishinomiya Watanabe Cardiovascular Center, Cardiology, Nishinomiya, Japan
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Yoshida Y, Nakanishi K, Daimon M, Ishiwata J, Sawada N, Hirokawa M, Kaneko H, Nakao T, Mizuno Y, Morita H, Di Tullio M, Homma S, Komuro I. Sex-specific difference in the association between arterial stiffness and subclinical left ventricular dysfunction. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0097] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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
Increased arterial stiffness has been proposed as one of the key mechanisms of incident heart failure with preserved ejection fraction (HFpEF). However, the possible association between arterial stiffness and subclinical left ventricular (LV) dysfunction and possible sex-specific differences remain unclarified. LV strain is emerging as a highly sensitive tool to unmask early LV abnormalities.
Purpose
We investigated whether increased arterial stiffness is independently associated with subclinical LV dysfunction in a large community-based cohort without overt cardiovascular disease.
Methods
We examined 1,155 participants who underwent extensive cardiovascular examination. Speckle-tracking echocardiography was employed to assess LV global longitudinal strain (LVGLS) and circumferential strain (GCS), and arterial stiffness was assessed by cardio-ankle vascular index (CAVI).
Results
Mean age was 62±12 years, and 56% were male. CAVI as continuous variable was associated with abnormal LVGLS (>−18.6%), independent of cardiovascular risk factors and pertinent laboratory and echocardiographic parameters (adjusted odds ratio [OR] 1.23, p=0.034), whereas there was no relationship with LVGCS. In sex-stratified analysis, more pronounced association between quartiles of CAVI and abnormal LVGLS was observed in women than in men (unadjusted OR = 6.43 in women and 2.46 in men for upper quartile vs. lower quartile, both p<0.01; Figure). Multivariable analyses demonstrated that CAVI was significantly associated with abnormal LVGLS independent of cardiovascular risk factors in both sexes. However, after further adjustment for LV mass index and diastolic parameters, the independent association persisted in women (adjusted OR 1.49, p=0.041), but not in men (adjusted OR 1.15, p=0.209).
Conclusion
Increased arterial stiffness was independently associated with decreased LVGLS even in the absence of overt cardiovascular disease; a sex-specific pattern exists in the alteration of vascular-ventricular coupling, which might partially explain the greater susceptibility to HFpEF in women.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- Y Yoshida
- The University of Tokyo, Tokyo, Japan
| | | | - M Daimon
- The University of Tokyo, Tokyo, Japan
| | | | - N Sawada
- The University of Tokyo, Tokyo, Japan
| | | | - H Kaneko
- The University of Tokyo, Tokyo, Japan
| | - T Nakao
- The University of Tokyo, Tokyo, Japan
| | - Y Mizuno
- The University of Tokyo, Tokyo, Japan
| | - H Morita
- The University of Tokyo, Tokyo, Japan
| | - M Di Tullio
- Columbia University Medical Center, Division of Cardiology, New York, United States of America
| | - S Homma
- Columbia University Medical Center, Division of Cardiology, New York, United States of America
| | - I Komuro
- The University of Tokyo, Tokyo, Japan
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7
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Itoh H, Kaneko H, Kiriyama H, Yoshida Y, Nakanishi K, Mizuno Y, Daimon M, Morita H, Yatomi Y, Komuro I. P198 Validation of the updated blood pressure classification based on the ACC/AHA guidelines in the perspective of subclinical atherosclerosis in general population. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehz872.070] [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
American College of Cardiology (ACC) and American Heart Association (AHA) revised their guideline for hypertension in 2017, and the threshold of normal blood pressure (BP) was lowered, in the perspective of the prevention of optimal prevention of cardiovascular diseases. On the other hand European Society of Cardiology and European Society of Hypertension updated their guideline in 2018. However, the cut off value of blood pressure for hypertension was not changed (sBP ≥ 140 mmHg or dBP ≥ 90 mmHg). Therefore, the validity of the updated guideline of ACC/AHA still remains controversial, and there is so far no evidence regarding the BP category according to the ACC/AHA guidelines in general population.
Purpose
We aimed to clarify the association between the updated BP classification and carotid intima-media thickness (IMT), as a marker of subclinical atherosclerosis, in general population using a community-based cohort.
Methods
We analyzed 1,241 subjects undergoing medical check-ups at the University of Tokyo Hospital. Study subjects were categorized into 3 groups based on their BP levels: normal pressure (sBP < 130 mmHg and dBP < 80 mmHg); stage 1 hypertension (130 mmHg ≤ sBP < 140 mmHg or 80 mmHg ≤ dBP< 90 mmHg); and stage 2 hypertension (sBP ≥ 140 mmHg or dBP ≥ 90 mmHg, including subjects prescribed with antihypertensive agents). We defined carotid plaque as IMT ≥ 1.1 mm.
Results
Out of 1,241 subjects, 556 patients (44.8%) were categorized in the normal BP group, whereas 236 subjects (19.0%) and 449 subjects (36.2%) were categorized in the stage 1 and stage 2 hypertension groups, respectively. Among subjects categorized in the stage 2 hypertension group, 348 subjects (77.5%) patients were taking antihypertensive medications. Percentage of male gender, and age increased with BP category. Classical CVD risk factors such as diabetes mellitus and hypercholesterolemia were common in subjects in the hypertension groups. IMT increased as the BP category progressed from normal BP to stage 2 hypertension. The prevalence of carotid plaque also increased with an increase in BP. Univariate regression analysis showed the linear association between the BP category and prevalence of carotid plaque. Multivariable logistic regression analysis demonstrated that BP category as well as age ≥60 years, male gender, body mass index ≥25 kg/m2, and diabetes mellitus were independently associated with carotid plaque formation. BP category was associated with the prevalence of carotid plaque formation in any subgroup divided by age (< 60 years old, and ≥60 years old) or gender.
Conclusions
Thickening of IMT developed in stage 1 hypertension, and further increased in stage 2 hypertension even in general population, indicating the importance of the therapeutic intervention according to the updated ACC/AHA guideline for hypertension.
Abstract P198 Figure.
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Affiliation(s)
- H Itoh
- University of Tokyo, Tokyo, Japan
| | - H Kaneko
- University of Tokyo, Tokyo, Japan
| | | | | | | | - Y Mizuno
- University of Tokyo, Tokyo, Japan
| | - M Daimon
- University of Tokyo, Tokyo, Japan
| | - H Morita
- University of Tokyo, Tokyo, Japan
| | - Y Yatomi
- University of Tokyo, Tokyo, Japan
| | - I Komuro
- University of Tokyo, Tokyo, Japan
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Ishii K, Hyodo E, Seo Y, Ishizu T, Tada E, Kihara H, Daimon M, Tanaka A, Akasaka T, Watanabe H, Ito H, Yoshikawa J. 1225 Diagnostic accuracy of left ventricular diastolic strain imaging by speckle tracking echocardiography in detecting ischemic etiology of acute chest pain. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.687] [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
Funding Acknowledgements
none
OnBehalf
A TRAC-SI Multicenter Trial
Background
Two-dimensional speckle tracking echocardiography (2D-STE) has been reported to be useful for the diagnosis of myocardial ischemia by detecting delay in regional myocardial expansion (diastolic stunning) up to many hours after an episode of angina. The aim is to evaluate the diagnostic accuracy of Left ventricular (LV) diastolic longitudinal, circumferential, transverse and radial strain imaging by STE to detect the presence of acute coronary syndrome (ACS) in patients with acute chest pain.
Methods
388 consecutive patients with acute chest pain and without wall motion abnormality, who were admitted to an emergency department (ED) at 1 of 12 clinical sites in Japan, were enrolled and underwent 2D-STE at ED. Left ventricular (LV) longitudinal, circumferential, transverse and radial strain values at aortic valve closure (A) and one-third of diastole duration (B) were measured. The strain imaging diastolic index (SI-DI) was value was determined as: (A-B)/A × 100% to assess the LV diastolic strain imaging and was used to identify the regional LV delayed relaxation. All patients underwent coronary CT or coronary angiography to establish the diagnosis of ACS. Clinicians were blinded to the 2D-STE results.
Results
Out of 388 patients, 2D-STE analysis was possible in 358 patients (92%). With assessment of coronary CT or coronary angiography, ACS was diagnosed in 118 patients (33%). 2D-STE was obtained at a mean of 5.3 hours after chest pain episode. SI-DI of longitudinal, circumferential, transverse and radial strain of ischemic segments were significantly lower than those of non-ischemic segments (p value < 0.001), and transverse and radial SI-DI demonstrated high diagnostic accuracy, compared with longitudinal SI-DI (Figure 1). Sensitivity, specificity, and negative predictive value for ACS of transverse SI-DI are 87%, 88%, % and 95%, respectively, using a cut-off value of 63.3.
Conclusion
LV diastolic strain imaging by 2D-STE at ED increase the sensitivity, specificity and accuracy to predict the presence of ACS in patients with chest pain. Compared with longitudinal diastolic strain imaging, transverse diastolic strain imaging is more sensitive marker to detect the myocardial ischemic episode (UMIN000013859).
Abstract 1225 Figure 1
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Affiliation(s)
- K Ishii
- Kansai Electric Power Hospital, Cardiology, Osaka, Japan
| | - E Hyodo
- Nishinomiya Watanabe Cardiovascular Center, Cardiology, Nishinomiya, Japan
| | - Y Seo
- Tsukuba University Hospital, Cardiology, Tsukuba, Japan
| | - T Ishizu
- Tsukuba University Hospital, Cardiology, Tsukuba, Japan
| | - E Tada
- Kansai Electric Power Medical Reseach Institute, Cardiology, Osaka, Japan
| | - H Kihara
- Kihara Cardiovascular Clinic, Cardiology, Asahikawa, Japan
| | - M Daimon
- University of Tokyo, Cardiology, Tokyo, Japan
| | - A Tanaka
- Wakayama Medical University, Cardiology, Wakayama, Japan
| | - T Akasaka
- Wakayama Medical University, Cardiology, Wakayama, Japan
| | - H Watanabe
- Tokyo Bay Urayasu/Ichikawa Medical Center , Cardiology, Urayasu, Japan
| | - H Ito
- Okayama University Hospital, Cardiology, Okayama, Japan
| | - J Yoshikawa
- Nishinomiya Watanabe Cardiovascular Center, Cardiology, Nishinomiya, Japan
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9
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Goto H, Takaoka H, Sakai T, Ochi S, Wakabayashi S, Ishikawa K, Kanaeda T, Daimon M, Ueda M, Funabashi N, Sano K, Kobayashi Y. P599Native T1 mapping is useful for detection of myocardial fibrosis in cases with ischemic and non-ischemic myocardial diseases. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0208] [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
Evaluation of myocardial fibrosis (MF) as late gadolinium enhancement (LGE) on MRI is useful for differential diagnosis of various myocardial diseases and prediction of future adverse cardiac events in some specific myocardial diseases. Gadolinium contrast is contraindicated for cases with severe renal dysfunction, therefore non contrast MRI is necessary for detection of MF in cases with both myocardial disease and severe renal dysfunction.
Purpose
We aimed to evaluate diagnostic accuracy of native T1 mapping for detection of MF compared with LGE in cases with various myocardial diseases, including ischemic and non-ischemic myocardial diseases.
Methods
We selected consecutive 40 patients who were suspected of having various myocardial diseases and underwent cardiac MRI, using 1.5T MRI (Ingenia, Philips) in 10 cases (25%) or 3T MRI (Ingenia, Philips) in 30 cases (75%), including native T1 mapping (without contrast) and LGE using contrast media from Jan 2018 to Feb 2019 in our institution. We evaluated diagnostic accuracy for detection of MF in left ventricular myocardium (LVM) of native T1 mapping image compared with LGE as the gold standard, in a patient-based and segment-based analysis. In T1 mapping images, segmental high T1 lesions were defined as MF. In a segment-based analysis, MF was evaluated using 17 LVM segments model in American Heart Association.
Results
MF was detected in 139 LVM segments in 25 (63%) cases. Sensitivity, specificity, positive predictive value, negative predictive value and diagnostic accuracy of native T1 mapping for detection of MF were 90%, 89%, 95%, 80% and 90% in a patient-based analysis, and 63%, 96%, 84%, 89% and 88% in a segment-based analysis (left figure). Native T1-values of LVM with MF were significantly higher than LVM without LGE (1351±79 vs 1093±124 in 1.5T and 1562±131 vs 1291±43 in 3T) (p<0.05 and p<0.01). Interobserver agreement of native T1 mapping and LGE were not significantly different (0.88 and 0.89, P=0.70). Overall diagnostic accuracy of native T1 mapping for detection of MF in a patient-based analysis, was not significantly different in between the cases with ischemic (n=18) and non-ischemic (n=22) myocardial disease (90% and 83.3%, P=0.10).
Conclusion
Native T1 mapping (without contrast) is useful for detection of MF in various myocardial diseases and high diagnostic accuracy is expected especially in a patient-based analysis.
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Affiliation(s)
- H Goto
- Eastern Chiba Medical Center, Cardiology, Togane, Japan
| | - H Takaoka
- Chiba University Graduate School of Medicine, Chiba, Japan
| | - T Sakai
- Eastern Chiba Medical Center, Radiology, Togane, Japan
| | - S Ochi
- Eastern Chiba Medical Center, Radiology, Togane, Japan
| | - S Wakabayashi
- Eastern Chiba Medical Center, Cardiology, Togane, Japan
| | - K Ishikawa
- Eastern Chiba Medical Center, Cardiology, Togane, Japan
| | - T Kanaeda
- Eastern Chiba Medical Center, Cardiology, Togane, Japan
| | - M Daimon
- Chiba University Graduate School of Medicine, Chiba, Japan
| | - M Ueda
- Eastern Chiba Medical Center, Cardiology, Togane, Japan
| | - N Funabashi
- Chiba University Graduate School of Medicine, Chiba, Japan
| | - K Sano
- Eastern Chiba Medical Center, Cardiology, Togane, Japan
| | - Y Kobayashi
- Chiba University Graduate School of Medicine, Chiba, Japan
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10
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Yoshida Y, Nakanishi K, Daimon M, Ishiwata J, Sawada N, Hirokawa M, Kaneko H, Nakao T, Mizuno Y, Morita H, Di Tullio MR, Yatomi Y, Homma S, Komuro I. 2140Association of arterial stiffness with left atrial structure and phasic function: a community-based cohort study. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0087] [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
Increased arterial stiffness is recognized as an independent risk factor for atrial fibrillation, although the pathophysiological mechanisms remain unclear. Cardio-ankle vascular index (CAVI) is emerging as an important tool to assess arterial stiffness noninvasively which is derived from the concept of stiffness β index and is less dependent on blood pressure at the time of measurement than pulse wave velocity.
Purpose
This study aimed to investigate the association of arterial stiffness with left atrial (LA) volume and phasic function in a community-based cohort.
Methods
We included 1,156 participants without overt cardiovascular disease who underwent extensive cardiovascular examination. Arterial stiffness was evaluated by CAVI. Speckle-tracking echocardiography was employed to evaluate LA phasic function including reservoir, conduit and pump strain as well as left ventricular global longitudinal strain (LVGLS).
Results
CAVI was negatively correlated with reservoir and conduit strain (r=−0.37 and −0.45, both p<0.001; Figure), whereas weakly, but positively correlated with LA volume index and pump strain (r=0.12 and 0.09, both p<0.01). In multivariable analysis, CAVI was significantly associated with reservoir and conduit strain independent of traditional cardiovascular risk factors, pertinent laboratory parameters and LV morphology and function including LVGLS (standardized β=−0.22 and −0.26, respectively, both p<0.001), whereas there was no independent association with LA volume index and pump strain. In the categorical analysis, the abnormal CAVI (≥9.0) carried the significant risk of impaired reservoir (<31.4%) and conduit (<12.4%) strain (adjusted odds ratio = 2.63 and 3.71 vs. normal CAVI, both p<0.01) in a fully-adjusted model including laboratory and echocardiographic parameters.
Figure 1
Conclusion
Arterial stiffness was independently associated with LA reservoir and conduit function, even in the absence of overt cardiovascular disease. This association may explain the higher incidence of atrial fibrillation in individuals with increased arterial stiffness.
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Affiliation(s)
- Y Yoshida
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - K Nakanishi
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - M Daimon
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - J Ishiwata
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - N Sawada
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - M Hirokawa
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - H Kaneko
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - T Nakao
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - Y Mizuno
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - H Morita
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - M R Di Tullio
- Columbia University Medical Center, Division of Cardiology, New York, United States of America
| | - Y Yatomi
- University of Tokyo, Clinical Laboratory, Tokyo, Japan
| | - S Homma
- Columbia University Medical Center, Division of Cardiology, New York, United States of America
| | - I Komuro
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
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11
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Itoh H, Kaneko H, Kiriyama H, Yoshida Y, Nakanishi K, Mizuno Y, Daimon M, Morita H, Yatomi Y, Yamamichi N, Komuro I. P5293Effect of metabolically health obesity on carotid intima-media thickness in general population: a community-based cohort study. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0264] [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
Introduction
Obesity is a common and independent risk factor for all-cause mortality. More specifically, obesity is a major component of atherosclerosis in association with metabolic disorders including metabolic syndrome (MetS), resulting in various cardiovascular diseases (CVD). Alternatively, obese subjects without MetS are prevalent, also referred to as metabolically healthy obesity (MHO). However, most preceding studies regarding MHO have been limited by small cohorts. Therefore, the effect of MHO on atherosclerosis in the general population remains unclear.
Purpose
In this study, we sought to clarify the effect of MHO on carotid intima-media thickness (IMT) as a marker of early stage atherosclerosis using a community-based cohort in general population.
Methods
We examined subjects who underwent medical check-up at our University Hospital. We defined obesity as body mass index ≥25.0 kg/m2. Abdominal obesity, defined as waist circumstance at umbilical level ≥85 cm in men and ≥90 cm in women, was obligatory for the diagnosis of MetS. In addition to abdominal obesity, any two of the following three abnormalities should be observed for the diagnosis of MetS, [1] Dyslipidemia: triglyceride ≥150 mg/dL, HDL-C <40 mg/dL, or use of lipid lowering medication, [2] Hypertension: systolic blood pressure ≥130 mmHg, diastolic blood pressure ≥85 mmHg, or use of antihypertensive medication, and [3] Hyperglycemia: fasting plasma glucose ≥110 mg/dL or use of hypoglycemic medication. MHO was defined as obese subjects without MetS, whereas we defined metabolically unhealthy obesity (MUO) as obese subjects with MetS. We defined carotid plaque as IMT ≥1.1 mm.
Results
Among 1,241 subjects, 857 subjects (69%) were categorized in the normal body weight group, whereas 275 subjects (22%) were categorized as MHO, and 109 subjects (9%) were categorized as MUO. Compared to non-obese subjects, prevalence of classical cardiovascular risk factors including hypertension, diabetes mellitus, and dyslipidemia increased in subjects with MHO, and further increased in those with MUO. IMT was higher in obese subjects compared to those without obesity. Similarly, the prevalence of carotid plaque formation was also higher in obese subjects. Multivariable logistic regression analysis demonstrated that age ≥60 years, male sex, hypertension, diabetes mellitus, MHO subjects (Odds ratio [OR]; 1.6, p=0.005), and MUO subjects (OR 1.7, p=0.04) were independently associated with carotid plaque formation. There was no statistical difference in the risk of carotid plaque formation between subjects with MHO and MUO.
IMT and Carotid Plaque
Conclusions
IMT and the prevalence of carotid plaque are higher in both subjects with MHO and MUO compared to non-obese subjects in the general population. We need to take obesity regardless of the presence of MetS into consideration as high-risk subjects for subsequent CVD.
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Affiliation(s)
- H Itoh
- University of Tokyo, Tokyo, Japan
| | - H Kaneko
- University of Tokyo, Tokyo, Japan
| | | | | | | | - Y Mizuno
- University of Tokyo, Tokyo, Japan
| | - M Daimon
- University of Tokyo, Tokyo, Japan
| | - H Morita
- University of Tokyo, Tokyo, Japan
| | - Y Yatomi
- University of Tokyo, Tokyo, Japan
| | | | - I Komuro
- University of Tokyo, Tokyo, Japan
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12
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Kiriyama H, Kaneko H, Itoh H, Yoshida Y, Nakanishi K, Mizuno Y, Daimon M, Morita H, Yatomi Y, Yamamichi N, Komuro I. P4389Effect of cigarette smoking on carotid artery atherosclerosis: a community-based cohort study. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0794] [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
Cigarette smoking is closely associated with the development of cardiovascular diseases (CVD), and the European Society of Cardiology/European Atherosclerosis Society (ESC/EAS) guidelines recommend smoking bans.On the other hand, the relationship between cigarette smoking and subclinical atherosclerosis has not been fully studied. Carotid intima-media thickness (cIMT) is commonly used as a subclinical atherosclerosis marker, and a carotid plaque feature is also known to be an important predictor of cardiovascular diseases.
Purpose
We sought to clarify the association between cigarette smoking and subclinical atherosclerosis by evaluating carotid plaque including cIMT and carotid plaque features in general population.
Methods and results
Among 1,209 participants with no prior coronary artery disease who received a medical check-up with cardiovascular examination at our institution, 450 participants (37.2%) were smokers (including both past and current smokers). We defined carotid plaque as cIMT ≥1.1 mm and high-risk plaque as carotid plaque with hypoechoic dominant and/or plaque ulceration. The value of cIMT and the rate of carotid plaque were not different between smokers and never smokers (Figure A & B). However, the rate of carotid high-risk plaque was significantly higher in participants with smokers than those with never smokers (29.7%, vs 23.5%, p=0.011) (Figure C). Even after adjustment with covariates including age, gender and traditional cardiovascular risk factors, cigarette smoking was independently associated with high-risk plaque formation (odds ratio 1.384, 95% CI 1.020–1.877; p=0.037). According to the subgroup analysis classified by age, cigarette smoking was associated with not only the development of high-risk plaque but also the increased value of cIMT in the subgroup over 60 years old, whereas only the rate of high-risk plaque was higher in smokers than never smokers in the subgroup under 60 years old.
Carotid plaque and smoking
Conclusion
The development of high-risk carotid artery plaque may precede thickening of cIMT in cigarette smokers, suggesting that the novel insight for the pathological mechanism underlying cardiovascular events and cigarette smoking.
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Affiliation(s)
| | - H Kaneko
- University of Tokyo, Tokyo, Japan
| | - H Itoh
- University of Tokyo, Tokyo, Japan
| | | | | | - Y Mizuno
- University of Tokyo, Tokyo, Japan
| | - M Daimon
- University of Tokyo, Tokyo, Japan
| | - H Morita
- University of Tokyo, Tokyo, Japan
| | - Y Yatomi
- University of Tokyo, Tokyo, Japan
| | | | - I Komuro
- University of Tokyo, Tokyo, Japan
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13
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Ishii K, Hyodo E, Seo Y, Ishizu T, Tada E, Kihara H, Daimon M, Tanaka A, Akasaka T, Ito H, Watanabe H, Yoshikawa J. P2746Two-dimensional speckle tracking echocardiography for early triage of patients with acute chest pain: a TRAC-SI multicenter trial. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p2746] [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 Ishii
- Kansai Electric Power Hospital, Cardiology, Osaka, Japan
| | - E Hyodo
- Nishinomiya Watanabe Cardiovascular Center, Cardiology, Nishinomiya, Japan
| | - Y Seo
- Tsukuba University Hospital, Cardiology, Tsukuba, Japan
| | - T Ishizu
- Tsukuba University Hospital, Cardiology, Tsukuba, Japan
| | - E Tada
- Kansai Electric Power Medical Reseach Institute, Cardiology, Osaka, Japan
| | - H Kihara
- Kihara Cardiovascular Clinic, Cardiology, Asahikawa, Japan
| | - M Daimon
- University of Tokyo, Cardiology, Tokyo, Japan
| | - A Tanaka
- Wakayama Medical University, Cardiology, Wakayama, Japan
| | - T Akasaka
- Wakayama Medical University, Cardiology, Wakayama, Japan
| | - H Ito
- Okayama University Hospital, Cardiology, Okayama, Japan
| | - H Watanabe
- Tokyo Bay Urayasu/Ichikawa Medical Center, Cardiology, Urayasu, Japan
| | - J Yoshikawa
- Nishinomiya Watanabe Cardiovascular Center, Cardiology, Nishinomiya, Japan
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14
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Tsujinaga S, Iwano H, Murai D, Hayashi T, Yokoyama S, Nishino H, Nakabachi M, Ichikawa A, Abe A, Kawata T, Daimon M, Oonishi T, Sakata Y, Yamada S. P1431Right ventricular strain of a line segment as a feasible parameter of right ventricular systolic function in patients with advanced heart failure referred for left ventricular assist device therapy. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p1431] [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: 11/13/2022] Open
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15
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Kato K, Templin C, Daimon M, Ishibashi I, Kobayashi Y. P1073Myocardial edema still remains in subacute phase after recovery of left ventricular systolic function in patients with takotsubo syndrome. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p1073] [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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16
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Enache R, Sawada N, Molina Ferragut L, Monney P, Jobbe Duval A, Peluso D, Beladan CC, Diego Bellavia DB, Popa E, Jurcut R, Badea R, Calin A, Beladan CC, Rosca M, Platon P, Coman IM, Popescu BA, Ginghina C, Kawata T, Daimon M, Kimura K, Nakao T, Chiang S, Mahara K, Okubo T, Yatomi Y, Komuro I, Uhl D, Gomez M, Ble M, Mas-Stachurska A, Cladellas M, Enjuanes C, Moliner P, Marti J, Comin J, Ehret G, Crisinel V, Reverdin S, Conti L, Mach F, Jeanrenaud X, Bochud M, Mueller H, Thebault O, Poilane M, Piriou N, Jaafar P, Warin-Fresse K, Serfaty JM, Cueff C, Le Tourneau T, Kovacs A, Surkova E, Muraru D, Perazzolo Marra M, Iliceto S, Badano LP, Predescu L, Platon P, Mateescu AD, Enache R, Calin A, Rosca M, Egher L, Inta O, Jurcut R, Ginghina C, Popescu BA, Attilio Iacovoni AI, Sonia Dell'oglio SD, Giuseppe Romano GR, Michele Senni MS, Chiara Mina' CM, Gabriele Di Gesaro GD, Michele Pilato MP, Fletcher Miller FAM, Cesare Scardulla CS, Francesco Clemenza FC, Joseph Maalouf JM, Michael Dandel MD. Moderated Posters: Imaging of the right heart - What is new?P814Prognostic value of parameters of pulmonary artery stiffness in patients with pulmonary hypertension receiving specific vasodilator therapyP815Reconsidering of inferior vena cava parameters for estimating right atrial pressure: a comparative simultaneous ultrasound-catheterization studyP816Pulmonary hypertension is the main factor echocardiography to predicting mortality in medium and long term in a cohort of patients with heart failureP817Normal values for 3D-right atrial volumes : results from the SKIPOGH-II population studyP818Assessment of right ventricular function by free wall longitudinal strain in organic mitral regurgitationP819Importance of radial dysfunction to determine the impairment of right ventricular ejection fraction in patients with pulmonary hypertensionP820Influence of tricuspid regurgitation severity on non-invasive assessment of right heart hemodynamics: a simultaneous echocardiography-catheterization studyP821Right ventricular failure following ventricular assist device implant: systematic review and meta-analysis of clinical and echocardiographic predictors. Eur Heart J Cardiovasc Imaging 2016. [DOI: 10.1093/ehjci/jew255] [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: 11/15/2022] Open
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He L, Tuomilehto J, Qiao Q, Söderberg S, Daimon M, Chambers J, Pitkäniemi J. Impact of classical risk factors of type 2 diabetes among Asian Indian, Chinese and Japanese populations. Diabetes Metab 2015; 41:401-9. [PMID: 26381573 DOI: 10.1016/j.diabet.2015.07.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Revised: 07/17/2015] [Accepted: 07/24/2015] [Indexed: 01/10/2023]
Abstract
AIMS This review investigated the population impact of major modifiable type 2 diabetes (T2D) risk factors, with special focus on native Asian Indians, to estimate population attributable risks (PARs) and compare them with estimates from Chinese and Japanese populations. METHODS Information was obtained on risk factors in 21,041 Asian Indian, 17,774 Chinese and 17,986 Japanese populations from multiple, large, cross-sectional studies (the DECODA project) of T2D. Crude and adjusted PARs were estimated for the major T2D risk factors. RESULTS Age had the highest crude and adjusted PARs among Asian Indians and Chinese in contrast to waist-hip ratio among Japanese. After adjusting for age, the PAR for body mass index (BMI) in Asian Indians (41.4% [95% CI: 37.2%; 45.4%]) was second only to triglycerides (46.4% [95% CI: 39.5%; 52.8%]) compared with 35.8% [95% CI: 29.9%; 41.4%] in Japanese and 38.4% [95% CI: 33.5%; 43.2%] in Chinese people. The PAR for BMI adjusted for age, LDL and triglycerides (39.7% [95% CI: 31.6%; 47.2%]) was higher than for any other factor in Asian Indians, and was much higher than in the Chinese (16.8% [95% CI: 3.0%; 30.9%]) and Japanese (30.4% [95% CI: 17.5%; 42.2%]) populations. CONCLUSION This review provides estimates of the association between major risk factors and prevalences of T2D among Asian populations by examining their PARs from large population-based samples. From a public-health point of view, the importance of BMI in Asian Indians is especially highlighted in comparison to the other Asian populations. Given these results and other recent findings on the causality link between BMI and T2D, it can be postulated that obesity may be involved in the aetiology of T2D through interaction with ethnic-specific genetic factors, although ethnicity itself is not a direct risk factor for T2D as people of all ethnic backgrounds develop diabetes.
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Affiliation(s)
- L He
- Department of Public Health, University of Helsinki, P.O. Box 41, 00014 Helsinki, Finland.
| | - J Tuomilehto
- Centre for Vascular Prevention, Danube-University Krems, 3500 Krems, Austria; Chronic Disease Prevention Unit, National Institute for Health and Welfare, 00271 Helsinki, Finland; Diabetes Research Group, King Abdulaziz University, 21589 Jeddah, Saudi Arabia
| | - Q Qiao
- Department of Public Health, University of Helsinki, P.O. Box 41, 00014 Helsinki, Finland
| | - S Söderberg
- Department of Public Health and Clinical Medicine, Cardiology, Umeå University, Umeå, Sweden
| | - M Daimon
- Department of Neurology, Metabolism, Endocrinology and Diabetology, Faculty of Medicine, Yamagata University, Yamagata, Japan; Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - J Chambers
- Department of Epidemiology and Biostatistics, Imperial College London, London W2 1NY, United Kingdom; Imperial College Healthcare NHS Trust, Hammersmith Hospital, London W12 0HS, United Kingdom; Royal Brompton and Harefield Hospitals NHS Trust, London SW3 6NP, United Kingdom; Ealing Hospital NHS Trust, Southall, Middlesex UB1 3HW, United Kingdom
| | - J Pitkäniemi
- Department of Public Health, University of Helsinki, P.O. Box 41, 00014 Helsinki, Finland; Finnish Cancer Registry, Institute for Statistical and Epidemiological Cancer Research, Helsinki, Finland
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Nakatani S, Akaishi M, Asanuma T, Hashimoto S, Izumi C, Iwanaga S, Kawai H, Daimon M, Toide H, Hayashida A, Yamada H. Guidelines from the Japanese Society of Echocardiography: Guidance for the management and maintenance of echocardiography equipment. J Echocardiogr 2015; 13:1-5. [DOI: 10.1007/s12574-015-0240-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Accepted: 12/14/2014] [Indexed: 11/28/2022]
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Guglielmo M, Cefalu' C, Savioli G, Mirea O, Fusini L, Scali M, Simioniuc A, Dini F, Barbier P, Hasselberg N, Haugaa K, Bernard-Brunet A, Kongsgaard E, Donal E, Edvardsen T, Mada R, Lysyansky P, Winter S, Fehske W, Stankovic I, Voigt J, Domingos J, Boardman H, Leeson P, Noble J, Kou S, Caballero L, Henri C, Dulgheru R, Magne J, Daimon M, Watanabe H, Ito H, Yoshikawa J, Lancellotti P, Brunet Bernard A, Donal E, Leclercq C, Schnell F, Fournet M, Reynaud A, Thebault C, Mabo P, Daubert J, Hernandez A, Park J, Naksuk N, Thongprayoon C, Gaba P, Sharma S, Rosenbaum A, Hu T, Kapa S, Bruce C, Asirvatham S, Kosmala W, Rojek A, Karolko B, Mysiak A, Przewlocka-Kosmala M. Oral Abstract session: New insights in ventricular function: Friday 5 December 2014, 14:00-15:30 * Location: Agora. Eur Heart J Cardiovasc Imaging 2014. [DOI: 10.1093/ehjci/jeu268] [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: 11/13/2022] Open
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Caiani E, Pellegrini A, Carminati M, Lang R, Auricchio A, Vaida P, Obase K, Sakakura T, Komeda M, Okura H, Yoshida K, Zeppellini R, Noni M, Rigo T, Erente G, Carasi M, Costa A, Ramondo B, Thorell L, Akesson-Lindow T, Shahgaldi K, Germanakis I, Fotaki A, Peppes S, Sifakis S, Parthenakis F, Makrigiannakis A, Richter U, Sveric K, Forkmann M, Wunderlich C, Strasser R, Djikic D, Potpara T, Polovina M, Marcetic Z, Peric V, Ostenfeld E, Werther-Evaldsson A, Engblom H, Ingvarsson A, Roijer A, Meurling C, Holm J, Radegran G, Carlsson M, Tabuchi H, Yamanaka T, Katahira Y, Tanaka M, Kurokawa T, Nakajima H, Ohtsuki S, Saijo Y, Yambe T, D'alto M, Romeo E, Argiento P, D'andrea A, Vanderpool R, Correra A, Sarubbi B, Calabro' R, Russo M, Naeije R, Saha SK, Warsame TA, Caelian AG, Malicse M, Kiotsekoglou A, Omran AS, Sharif D, Sharif-Rasslan A, Shahla C, Khalil A, Rosenschein U, Erturk M, Oner E, Kalkan A, Pusuroglu H, Ozyilmaz S, Akgul O, Aksu H, Akturk F, Celik O, Uslu N, Bandera F, Pellegrino M, Generati G, Donghi V, Alfonzetti E, Guazzi M, Rangel I, Goncalves A, Sousa C, Correia A, Martins E, Silva-Cardoso J, Macedo F, Maciel M, Lee S, Kim W, Yun H, Jung L, Kim E, Ko J, Enescu O, Florescu M, Rimbas R, Cinteza M, Vinereanu D, Kosmala W, Rojek A, Cielecka-Prynda M, Laczmanski L, Mysiak A, Przewlocka-Kosmala M, Liu D, Hu K, Niemann M, Herrmann S, Cikes M, Gaudron P, Knop S, Ertl G, Bijnens B, Weidemann F, Saravi M, Tamadoni A, Jalalian R, Hojati M, Ramezani S, Yildiz A, Inci U, Bilik M, Yuksel M, Oyumlu M, Kayan F, Ozaydogdu N, Aydin M, Akil M, Tekbas E, Shang Q, Zhang Q, Fang F, Wang S, Li R, Lee AP, Yu C, Mornos C, Ionac A, Cozma D, Popescu I, Ionescu G, Dan R, Petrescu L, Sawant A, Srivatsa S, Adhikari P, Mills P, Srivatsa S, Boshchenko A, Vrublevsky A, Karpov R, Trifunovic D, Stankovic S, Vujisic-Tesic B, Petrovic M, Nedeljkovic I, Banovic M, Tesic M, Petrovic M, Dragovic M, Ostojic M, Zencirci E, Esen Zencirci A, Degirmencioglu A, Karakus G, Ekmekci A, Erdem A, Ozden K, 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G, Malev E, Reeva S, Vasina L, Pshepiy A, Korshunova A, Timofeev E, Zemtsovsky E, Jorgensen PG, Jensen J, Fritz-Hansen T, Biering-Sorensen T, Jons C, Olsen N, Henri C, Magne J, Dulgheru R, Laaraibi S, Voilliot D, Kou S, Pierard L, Lancellotti P, Tayyareci Y, Dworakowski R, Kogoj P, Reiken J, Kenny C, Maccarthy P, Wendler O, Monaghan M, Song J, Ha T, Jung Y, Seo M, Choi S, Kim Y, Sun B, Kim D, Kang D, Song J, Le Tourneau T, Topilsky Y, Inamo J, Mahoney D, Suri R, Schaff H, Enriquez-Sarano M, Bonaque Gonzalez J, Sanchez Espino A, Merchan Ortega G, Bolivar Herrera N, Ikuta I, Macancela Quinonez J, Munoz Troyano S, Ferrer Lopez R, Gomez Recio M, Dreyfus J, Cimadevilla C, Brochet E, Himbert D, Iung B, Vahanian A, Messika-Zeitoun D, Izumo M, Takeuchi M, Seo Y, Yamashita E, Suzuki K, Ishizu T, Sato K, Aonuma K, Otsuji Y, Akashi Y, Muraru D, Addetia K, Veronesi F, Corsi C, Mor-Avi V, Yamat M, Weinert L, Lang R, Badano L, Minamisawa M, Koyama J, Kozuka A, Motoki H, Izawa A, Tomita T, Miyashita Y, Ikeda U, Florescu C, Niemann M, Liu D, Hu K, Herrmann S, Gaudron P, Scholz F, Stoerk S, Ertl G, Weidemann F, Marchel M, Serafin A, Kochanowski J, Piatkowski R, Madej-Pilarczyk A, Filipiak K, Hausmanowa-Petrusewicz I, Opolski G, Meimoun P, M'barek D, Clerc J, Neikova A, Elmkies F, Tzvetkov B, Luycx-Bore A, Cardoso C, Zemir H, Mansencal N, Arslan M, El Mahmoud R, Pilliere R, Dubourg O, Ikonomidis I, Lambadiari V, Pavlidis G, Koukoulis C, Kousathana F, Varoudi M, Tritakis V, Triantafyllidi H, Dimitriadis G, Lekakis I, Kovacs A, Kosztin A, Solymossy K, Celeng C, Apor A, Faludi M, Berta K, Szeplaki G, Foldes G, Merkely B, Kimura K, Daimon M, Nakajima T, Motoyoshi Y, Komori T, Nakao T, Kawata T, Uno K, Takenaka K, Komuro I, Gabric ID, Vazdar L, Pintaric H, Planinc D, Vinter O, Trbusic M, Bulj N, Nobre Menezes M, Silva Marques J, Magalhaes R, Carvalho V, Costa P, Brito D, Almeida A, Nunes-Diogo A, Davidsen ES, Bergerot C, Ernande L, Barthelet M, Thivolet S, Decker-Bellaton A, Altman M, Thibault H, Moulin P, Derumeaux G, Huttin O, Voilliot D, Frikha Z, Aliot E, Venner C, Juilliere Y, Selton-Suty C, Yamada T, Ooshima M, Hayashi H, Okabe S, Johno H, Murata H, Charalampopoulos A, Tzoulaki I, Howard L, Davies R, Gin-Sing W, Grapsa J, Wilkins M, Gibbs J, Castillo J, Bandeira A, Albuquerque E, Silveira C, Pyankov V, Chuyasova Y, Lichodziejewska B, Goliszek S, Kurnicka K, Dzikowska Diduch O, Kostrubiec M, Krupa M, Grudzka K, Ciurzynski M, Palczewski P, Pruszczyk P, Arana X, Oria G, Onaindia J, Rodriguez I, Velasco S, Cacicedo A, Palomar S, Subinas A, Zumalde J, Laraudogoitia E, Saeed S, Kokorina M, Fromm A, Oeygarden H, Waje-Andreassen U, Gerdts E, Gomez E, Vallejo N, Pedro-Botet L, Mateu L, Nunyez R, Llobera L, Bayes A, Sabria M, Antonini-Canterin F, Mateescu A, La Carrubba S, Vriz O, Di Bello V, Carerj S, Zito C, Ginghina C, Popescu B, Nicolosi G, Mateescu A, La Carrubba S, Vriz O, Di Bello V, Carerj S, Zito C, Ginghina C, Popescu B, Nicolosi G, Antonini-Canterin F, Pudil R, Praus R, Vasatova M, Vojacek J, Palicka V, Hulek P, Pradel S, Mohty D, Damy T, Echahidi N, Lavergne D, Virot P, Aboyans V, Jaccard A, Mateescu A, La Carrubba S, Vriz O, Di Bello V, Carerj S, Zito C, Ginghina C, Popescu B, Nicolosi G, Antonini-Canterin F, Doulaptsis C, Symons R, Matos A, Florian A, Masci P, Dymarkowski S, Janssens S, Bogaert J, Lestuzzi C, Moreo A, Celik S, Lafaras C, Dequanter D, Tomkowski W, De Biasio M, Cervesato E, Massa L, Imazio M, Watanabe N, Kijima Y, Akagi T, Toh N, Oe H, Nakagawa K, Tanabe Y, Ikeda M, Okada K, Ito H, Milanesi O, Biffanti R, Varotto E, Cerutti A, Reffo E, Castaldi B, Maschietto N, Vida V, Padalino M, Stellin G, Bejiqi R, Retkoceri R, Bejiqi H, Retkoceri A, Surdulli S, Massoure P, Cautela J, Roche N, Chenilleau M, Gil J, Fourcade L, Akhundova A, Cincin A, Sunbul M, Sari I, Tigen M, Basaran Y, Suermeci G, Butz T, Schilling I, Sasko B, Liebeton J, Van Bracht M, Tzikas S, Prull M, Wennemann R, Trappe H, Attenhofer Jost CH, Pfyffer M, Scharf C, Seifert B, Faeh-Gunz A, Naegeli B, Candinas R, Medeiros-Domingo A, Wierzbowska-Drabik K, Roszczyk N, Sobczak M, Plewka M, Krecki R, Kasprzak J, Ikonomidis I, Varoudi M, Papadavid E, Theodoropoulos K, Papadakis I, Pavlidis G, Triantafyllidi H, Anastasiou - Nana M, Rigopoulos D, Lekakis J, Tereshina O, Surkova E, Vachev A, Merchan Ortega G, Bonaque Gonzalez J, Sanchez Espino A, Bolivar Herrera N, Bravo Bustos D, Ikuta I, Aguado Martin M, Navarro Garcia F, Ruiz Lopez F, Gomez Recio M, Merchan Ortega G, Bonaque Gonzalez J, Bravo Bustos D, Sanchez Espino A, Bolivar Herrera N, Bonaque Gonzalez J, Navarro Garcia F, Aguado Martin M, Ruiz Lopez M, Gomez Recio M, Eguchi H, Maruo T, Endo K, Nakamura K, Yokota K, Fuku Y, Yamamoto H, Komiya T, Kadota K, Mitsudo K, Nagy AI, Manouras A, Gunyeli E, Shahgaldi K, Winter R, Hoffmann R, Barletta G, Von Bardeleben S, Kasprzak J, Greis C, Vanoverschelde J, Becher H, Hu K, Liu D, Niemann M, Herrmann S, Cikes M, Gaudron P, Knop S, Ertl G, Bijnens B, Weidemann F, Di Salvo G, Al Bulbul Z, Issa Z, Khan A, Faiz A, Rahmatullah S, Fadel B, Siblini G, Al Fayyadh M, Menting ME, Van Den Bosch A, Mcghie J, Cuypers J, Witsenburg M, Van Dalen B, Geleijnse M, Roos-Hesselink J, Olsen F, Jorgensen P, Mogelvang R, Jensen J, Fritz-Hansen T, Bech J, Biering-Sorensen T, Agoston G, Pap R, Saghy L, Forster T, Varga A, Scandura S, Capodanno D, Dipasqua F, Mangiafico S, Caggegi AM, Grasso C, Pistritto AM, Imme' S, Ministeri M, Tamburino C, Cameli M, Lisi M, D'ascenzi F, Cameli P, Losito M, Sparla S, Lunghetti S, Favilli R, Fineschi M, Mondillo S, Ojaghihaghighi Z, Javani B, Haghjoo M, Moladoust H, Shahrzad S, Ghadrdoust B, Altman M, Aussoleil A, Bergerot C, Bonnefoy-Cudraz E, Derumeaux GA, Thibault H, Shkolnik E, Vasyuk Y, Nesvetov V, Shkolnik L, Varlan G, Gronkova N, Kinova E, Borizanova A, Goudev A, Saracoglu E, Ural D, Sahin T, Al N, Cakmak H, Akbulut T, Akay K, Ural E, Mushtaq S, Andreini D, Pontone G, Bertella E, Conte E, Baggiano A, Annoni A, Formenti A, Fiorentini C, Pepi M, Cosgrove C, Carr L, Chao C, Dahiya A, Prasad S, Younger J, Biering-Sorensen T, Christensen L, Krieger D, Mogelvang R, Jensen J, Hojberg S, Host N, Karlsen F, Christensen H, Medressova A, Abikeyeva L, Dzhetybayeva S, Andossova S, Kuatbayev Y, Bekbossynova M, Bekbossynov S, Pya Y, Farsalinos K, Tsiapras D, Kyrzopoulos S, Spyrou A, Stefopoulos C, Romagna G, Tsimopoulou K, Tsakalou M, Voudris V, Cacicedo A, Velasco Del Castillo S, Anton Ladislao A, Aguirre Larracoechea U, Onaindia Gandarias J, Romero Pereiro A, Arana Achaga X, Zugazabeitia Irazabal G, Laraudogoitia Zaldumbide E, Lekuona Goya I, Varela A, Kotsovilis S, Salagianni M, Andreakos V, Davos C, Merchan Ortega G, Bonaque Gonzalez J, Sanchez Espino A, Bolivar Herrera N, Macancela Quinones J, Ikuta I, Ferrer Lopez R, Munoz Troyano S, Bravo Bustos D, Gomez Recio M. Poster session Friday 13 December - PM: 13/12/2013, 14:00-18:00 * Location: Poster area. Eur Heart J Cardiovasc Imaging 2013. [DOI: 10.1093/ehjci/jet206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [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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Doughty RN, Gardin JM, Hobbs FDR, McMurray JJV, Nagueh SF, Poppe KK, Senior R, Thomas L, Whalley GA, Aune E, Brown A, Badano LP, Cameron V, Chadha DS, Chahal N, Chien KL, Daimon M, Dalen H, Detrano R, Akif Duzenli M, Ezekowitz J, de Simone G, Di Pasquale P, Fukuda S, Gill PS, Grossman E, Hobbs FDR, Kim HK, Kuznetsova T, Leung NKW, Linhart A, McDonagh TA, McGrady M, McMurray JJV, Mill JG, Mogelvang R, Muiesan ML, Ng ACT, Ojji D, Otterstad JE, Petrovic DJ, Poppe KK, Prendergast B, Rietzschel E, Schirmer H, Schvartzman P, Senior R, Simova I, Sliwa K, Stewart S, Squire IB, Takeuchi M, Thomas L, Whalley GA, Altman D, Perera R, Poppe KK, Triggs CM, Au Yeung H, Beans Picon GA, Poppe KK, Whalley GA. A meta-analysis of echocardiographic measurements of the left heart for the development of normative reference ranges in a large international cohort: the EchoNoRMAL study. Eur Heart J Cardiovasc Imaging 2013; 15:341-8. [DOI: 10.1093/ehjci/jet240] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
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Kimura K, Daimon M, Ebihara A, Kansei U, Takenaka K, Morita H, Nakajima T, Motoyoshi Y, Komori T, Komuro I. Treatments with angiotensin converting enzyme inhibitors and beta blockers for preventing cardiac dysfunction in patients with Duchenne/Becker muscular dystrophy. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht309.p2730] [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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Takaoka H, Funabashi N, Daimon M, Uehara M, Ozawa K, Kobayashi Y. Absolute values of late enhancement volume is superior to percentage of late enhancement volume per total LV myocardium volume to predict MACE in hypertrophic cardiomyopathy: a CMR Study. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht310.4666] [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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Previtali M, Landolina M, Valentini A, Turco A, Visconti L, Stuart B, Santos A, Cruz I, Caldeira D, Cotrim C, Fazendas P, Joao I, Almeida A, Pereira H, Goncalves A, Pinho T, Sousa C, Rangel I, Correia A, Madureira A, Macedo F, Zamorano JL, Maciel M, Driessen M, Kort E, Leiner T, Cramer M, Sieswerda G, Chamuleau S, Kim D, Choi Y, Park H, Kim H, Shin J, Song J, Kang D, Song J, Parisi V, Galasso G, Festa G, Piccolo R, Rengo G, De Rosa R, Pagano G, Iacotucci P, Leosco D, Piscione F, Bellsham-Revell H, Nedjati-Gilani S, Yao C, Pushparajah K, Penney G, Simpson J, Lopez Melgar B, Sanchez Sanchez V, Rodriguez Garcia J, Coma Samartin R, Martin Asenjo R, Fernandez Casares S, Lopez-Guarch CJ, Diaz Anton B, Mayordomo Gomez S, Lombera Romero F, Yamada S, Okada K, Iwano H, Nishino H, Nakabachi M, Yokoyama S, Kaga S, Mikami T, Tsutsui H, Stoebe S, Tarr A, Pfeiffer D, Hagendorff A, Klitsie L, Roest A, Kuipers I, Van Der Hulst A, Hazekamp M, Blom N, Ten Harkel A, Hagendorff A, Stoebe S, Tarr A, Gelbrich G, Loeffler M, Pfeiffer D, Badran H, Elnoamany M, Soltan G, Ezat M, Elsedi M, Abdelfatah R, Yacoub M, Kydd A, Khan F, Mccormick L, Gopalan D, Virdee M, Dutka D, Ruiz Ortiz M, Mesa D, Delgado M, Romo E, Morenate M, Baeza F, Castillo F, Lopez Granados A, Del Prado JA, De Lezo JS, Kilickiran Avci B, Yurdakul S, Sahin S, Ermis E, Dilekci B, Aytekin S, Turhan S, Gerede D, Hural R, Ozcan O, Candemir B, Erol C, Saha SK, Kiotsekoglou A, Gopal A, Govind S, Lindqvist P, Soderberg S, Kawata T, Daimon M, Sekita G, Miyazaki S, Ichikawa R, Maruyama M, Suzuki H, Daida H, Persic V, Lovric D, Jurin H, Pehar Pejcinovic V, Baricevic Z, Pezo Nikolic B, Ivanac Vranesic I, Separovic Hanzevacki J, Ahn H, Cho G, Lee S, Kim H, Kim Y, Sohn D, Igual Munoz B, Estornell Erill J, Gonzalez AM, Bel Minguez A, Perez Guillen M, Donate Bertolin L, Monmeneu Menadas J, Lopez Lereu P, La Huerta AA, Argudo AM, Igual Munoz B, Gonzalez AM, Valero DD, La Huerta AA, Fernandez PA, Ferrer JM, Rueda Soriano J, Buendia Sanchez F, Estornell Erill J, Carrasco J, Carvalho MS, De Araujo Goncalves P, Sousa P, Dores H, Marques H, Pereira Machado F, Gaspar A, Aleixo A, Mota Carmo M, Roquette J, Vassiliadis IV, Despotopoulos E, Kaitozis O, Tekedis C, Al-Mallah M, Nour K, Tomaszewski A, Kutarski A, Brzozowski W, Tomaszewski M, Oleszczak K, Tong J, Bian Y, Yang F, Li P, Chen L, Shen X, Xu Y, Yan L, Kilickiran Avci B, Yurdakul S, Sahin S, Ermis E, Dilekci B, Aytekin S, Hristova K, Marinov R, Georgiev S, Kaneva A, Lasarov S, Mitev P, Katova T, Pilosoff V, Ikonomidis I, Tzortzis S, Triantafyllidi H, Paraskevaidis I, Trivilou P, Papadakis I, Papadopoulos C, Pavlidis G, Anastasiou-Nana M, Lekakis J. Poster session: Aortic stenosis. Eur Heart J Cardiovasc Imaging 2012. [DOI: 10.1093/ehjci/jes264] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [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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Daimon M, Kato T, Kaino W, Takase K, Karasawa S, Wada K, Kameda W, Susa S, Oizumi T, Tomita Y, Kato T. Thyroid Dysfunction in Patients Treated with Tyrosine Kinase Inhibitors, Sunitinib, Sorafenib and Axitinib, for Metastatic Renal Cell Carcinoma. Jpn J Clin Oncol 2012; 42:742-7. [DOI: 10.1093/jjco/hys076] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Li H, Kilpeläinen TO, Liu C, Zhu J, Liu Y, Hu C, Yang Z, Zhang W, Bao W, Cha S, Wu Y, Yang T, Sekine A, Choi BY, Yajnik CS, Zhou D, Takeuchi F, Yamamoto K, Chan JC, Mani KR, Been LF, Imamura M, Nakashima E, Lee N, Fujisawa T, Karasawa S, Wen W, Joglekar CV, Lu W, Chang Y, Xiang Y, Gao Y, Liu S, Song Y, Kwak SH, Shin HD, Park KS, Fall CHD, Kim JY, Sham PC, Lam KSL, Zheng W, Shu X, Deng H, Ikegami H, Krishnaveni GV, Sanghera DK, Chuang L, Liu L, Hu R, Kim Y, Daimon M, Hotta K, Jia W, Kooner JS, Chambers JC, Chandak GR, Ma RC, Maeda S, Dorajoo R, Yokota M, Takayanagi R, Kato N, Lin X, Loos RJF. Association of genetic variation in FTO with risk of obesity and type 2 diabetes with data from 96,551 East and South Asians. Diabetologia 2012; 55:981-95. [PMID: 22109280 PMCID: PMC3296006 DOI: 10.1007/s00125-011-2370-7] [Citation(s) in RCA: 146] [Impact Index Per Article: 12.2] [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: 08/24/2011] [Accepted: 10/10/2011] [Indexed: 12/18/2022]
Abstract
AIMS/HYPOTHESIS FTO harbours the strongest known obesity-susceptibility locus in Europeans. While there is growing evidence for a role for FTO in obesity risk in Asians, its association with type 2 diabetes, independently of BMI, remains inconsistent. To test whether there is an association of the FTO locus with obesity and type 2 diabetes, we conducted a meta-analysis of 32 populations including 96,551 East and South Asians. METHODS All studies published on the association between FTO-rs9939609 (or proxy [r (2) > 0.98]) and BMI, obesity or type 2 diabetes in East or South Asians were invited. Each study group analysed their data according to a standardised analysis plan. Association with type 2 diabetes was also adjusted for BMI. Random-effects meta-analyses were performed to pool all effect sizes. RESULTS The FTO-rs9939609 minor allele increased risk of obesity by 1.25-fold/allele (p = 9.0 × 10(-19)), overweight by 1.13-fold/allele (p = 1.0 × 10(-11)) and type 2 diabetes by 1.15-fold/allele (p = 5.5 × 10(-8)). The association with type 2 diabetes was attenuated after adjustment for BMI (OR 1.10-fold/allele, p = 6.6 × 10(-5)). The FTO-rs9939609 minor allele increased BMI by 0.26 kg/m(2) per allele (p = 2.8 × 10(-17)), WHR by 0.003/allele (p = 1.2 × 10(-6)), and body fat percentage by 0.31%/allele (p = 0.0005). Associations were similar using dominant models. While the minor allele is less common in East Asians (12-20%) than South Asians (30-33%), the effect of FTO variation on obesity-related traits and type 2 diabetes was similar in the two populations. CONCLUSIONS/INTERPRETATION FTO is associated with increased risk of obesity and type 2 diabetes, with effect sizes similar in East and South Asians and similar to those observed in Europeans. Furthermore, FTO is also associated with type 2 diabetes independently of BMI.
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Affiliation(s)
- H. Li
- Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 294 Tai-Yuan Road, Shanghai, 200031 People’s Republic of China
| | - T. O. Kilpeläinen
- MRC Epidemiology Unit, Institute of Metabolic Science Box 285, Addenbrooke’s Hospital, Hills Road, Cambridge, CB2 0QQ UK
| | - C. Liu
- Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 294 Tai-Yuan Road, Shanghai, 200031 People’s Republic of China
| | - J. Zhu
- Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 294 Tai-Yuan Road, Shanghai, 200031 People’s Republic of China
| | - Y. Liu
- Institutes of Biomedical Sciences, Fudan University, Shanghai, People’s Republic of China
| | - C. Hu
- Shanghai Diabetes Institute, Department of Endocrinology and Metabolism, Shanghai Clinical Center of Diabetes, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, People’s Republic of China
| | - Z. Yang
- Department of Endocrinology and Metabolism, Huashan Hospital, Institute of Endocrinology and Diabetology at Fudan University, Shanghai Medical School, Fudan University, Shanghai, People’s Republic of China
| | - W. Zhang
- Department Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - W. Bao
- Department of Nutrition and Food Hygiene and MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - S. Cha
- Division of Constitutional Medicine Research, Korea Institute of Oriental Medicine, Daejeon, South Korea
| | - Y. Wu
- Department of Genetics, University of North Carolina, Chapel Hill, NC USA
| | - T. Yang
- Key Laboratory of Biomedical Information Engineering of Ministry of Education, and Institute of Molecular Genetics, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an, People’s Republic of China
| | - A. Sekine
- EBM Research Center, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - B. Y. Choi
- Department of Preventive Medicine, HanYang University College of Medicine, Seoul, South Korea
| | - C. S. Yajnik
- Diabetology Research Centre, KEM Hospital and Research Centre, Pune, India
| | - D. Zhou
- Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 294 Tai-Yuan Road, Shanghai, 200031 People’s Republic of China
| | - F. Takeuchi
- National Center for Global Health and Medicine, Tokyo, Japan
| | - K. Yamamoto
- Division of Genome Analysis, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - J. C. Chan
- Department of Medicine and Therapeutics, Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong Special Administrative Region People’s Republic of China
| | - K. R. Mani
- Centre for Cellular and Molecular Biology (CCMB-CSIR), Hyderabad, India
| | - L. F. Been
- University of Oklahoma Health Sciences Center, Oklahoma City, OK USA
| | - M. Imamura
- Laboratory for Endocrinology and Metabolism, RIKEN Center for Genomic Medicine, Yokohama, Japan
| | - E. Nakashima
- Department of Diabetes and Endocrinology, Chubu Rosai Hospital, Nagoya, Japan
| | - N. Lee
- USC Office of Population Studies Foundation, University of San Carlos, Cebu, Philippines
| | - T. Fujisawa
- Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Suita, Japan
| | - S. Karasawa
- Third Department of Internal Medicine, and Global Center of Excellence Program Study Group, Yamagata University School of Medicine, Yamagata, Japan
| | - W. Wen
- Division of Epidemiology, Department of Medicine, Vanderbilt School of Medicine, Nashville, TN USA
| | - C. V. Joglekar
- Diabetology Research Centre, KEM Hospital and Research Centre, Pune, India
| | - W. Lu
- Shanghai Institute of Preventive Medicine, Shanghai, People’s Republic of China
| | - Y. Chang
- National Taiwan University Hospital Bei-Hu branch, Taipei, Taiwan
| | - Y. Xiang
- Department of Epidemiology, Shanghai Cancer Institute, Shanghai, People’s Republic of China
| | - Y. Gao
- Department of Epidemiology, Shanghai Cancer Institute, Shanghai, People’s Republic of China
| | - S. Liu
- Center for Metabolic Disease Prevention, School of Public Health and David Geffen School of Medicine, UCLA, Los Angeles, CA USA
| | - Y. Song
- Division of Preventive Medicine, Brigham & Women’s Hospital, Harvard Medical School, Boston, MA USA
| | - S. H. Kwak
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, South Korea
| | - H. D. Shin
- Department of Life Science, Sogang University, Seoul, South Korea
| | - K. S. Park
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, South Korea
| | - C. H. D. Fall
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton General Hospital, Southampton, Hampshire UK
| | - J. Y. Kim
- Division of Constitutional Medicine Research, Korea Institute of Oriental Medicine, Daejeon, South Korea
| | - P. C. Sham
- Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, Hong Kong Special Administrative Region People’s Republic of China
| | - K. S. L. Lam
- Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, Hong Kong Special Administrative Region People’s Republic of China
| | - W. Zheng
- Division of Epidemiology, Department of Medicine, Vanderbilt School of Medicine, Nashville, TN USA
| | - X. Shu
- Division of Epidemiology, Department of Medicine, Vanderbilt School of Medicine, Nashville, TN USA
| | - H. Deng
- School of Medicine, University of Missouri, Kansas City, MO USA
- Center of Systematic Biomedical Research, University of Shanghai for Science and Technology, Shanghai, People’s Republic of China
- Institute of Bioscience and Biotechnology, School of Science, Beijing Jiaotong University, Beijing, People’s Republic of China
| | - H. Ikegami
- Department of Endocrinology, Metabolism and Diabetes, Kinki University School of Medicine, Osaka, Japan
| | - G. V. Krishnaveni
- Epidemiology Research Unit, Holdsworth Memorial Hospital, Mysore, India
| | - D. K. Sanghera
- University of Oklahoma Health Sciences Center, Oklahoma City, OK USA
| | - L. Chuang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - L. Liu
- Department of Nutrition and Food Hygiene and MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - R. Hu
- Department of Endocrinology and Metabolism, Huashan Hospital, Institute of Endocrinology and Diabetology at Fudan University, Shanghai Medical School, Fudan University, Shanghai, People’s Republic of China
| | - Y. Kim
- Department of Preventive Medicine, Dong-A University College of Medicine, Busan, South Korea
| | - M. Daimon
- Third Department of Internal Medicine, and Global Center of Excellence Program Study Group, Yamagata University School of Medicine, Yamagata, Japan
| | - K. Hotta
- EBM Research Center, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - W. Jia
- Shanghai Diabetes Institute, Department of Endocrinology and Metabolism, Shanghai Clinical Center of Diabetes, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, People’s Republic of China
| | - J. S. Kooner
- National Heart & Lung Institute, Hammersmith Hospital, Hammersmith Campus, Faculty of Medicine, Imperial College London, London, UK
| | - J. C. Chambers
- Department Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - G. R. Chandak
- Centre for Cellular and Molecular Biology (CCMB-CSIR), Hyderabad, India
| | - R. C. Ma
- Department of Medicine and Therapeutics, Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong Special Administrative Region People’s Republic of China
| | - S. Maeda
- Laboratory for Endocrinology and Metabolism, RIKEN Center for Genomic Medicine, Yokohama, Japan
| | - R. Dorajoo
- Genome Institute of Singapore, Agency for Science, Technology and Research, Singapore, Republic of Singapore
- Department of Genomics of Common Disease, School of Public Health, Hammersmith Hospital, Imperial College London, London, UK
| | - M. Yokota
- Department of Genome Science, School of Dentistry, Aichi-Gakuin University, Nagoya, Japan
| | - R. Takayanagi
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - N. Kato
- National Center for Global Health and Medicine, Tokyo, Japan
| | - X. Lin
- Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 294 Tai-Yuan Road, Shanghai, 200031 People’s Republic of China
| | - R. J. F. Loos
- MRC Epidemiology Unit, Institute of Metabolic Science Box 285, Addenbrooke’s Hospital, Hills Road, Cambridge, CB2 0QQ UK
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Wada M, Nagasawa H, Kawanami T, Kurita K, Daimon M, Kubota I, Kayama T, Kato T. Cystatin C as an index of cerebral small vessel disease: results of a cross-sectional study in community-based Japanese elderly. Eur J Neurol 2009; 17:383-90. [PMID: 19832902 DOI: 10.1111/j.1468-1331.2009.02809.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND AND PURPOSE Recent studies have shown that kidney dysfunction is associated with cerebral small vessel disease (SVD). Although creatinine-based estimating equations have been used as the standard measure for the evaluation of kidney function, the accuracy of these is limited in the elderly because of muscle mass decrease with aging. Cystatin C is a more useful measurement than creatinine-based estimating equations for evaluating kidney function, however, the relationship amongst cystatin C, cognitive dysfunction, and cerebral SVD has not been fully examined in community-based elderly. METHODS We performed a cross-sectional study using MRI to determine the relationship amongst cystatin C, cognitive function, and cerebral SVD in a total of 604 community-based Japanese elderly. RESULTS In this study, subjects with higher cystatin C levels tended to have more lacunas and higher grades of white matter lesions. Although a decline of the Mini-Mental State Examination (MMSE) scores was associated with SVD-related lesions, the relationship between the tertiles of cystatin C and mean MMSE scores was not statistically significant. In the logistic regression analysis, the association between cystatin C and SVD-related lesions was statistically significant, even after adjustment for conventional risk factors and high-sensitivity C-reactive protein. Furthermore, subjects with higher cystatin C levels accompanied with albuminuria had a greater risk for the presence of subclinical cerebral SVD than those with lower cystatin C levels without albuminuria. CONCLUSIONS The present study suggests that there is a close relationship between cystatin C and subclinical cerebral SVD, independently of conventional risk factors, in community-based elderly.
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Affiliation(s)
- M Wada
- Department of Neurology, Hematology, Metabolism, Endocrinology, and Diabetology, Faculty of Medicine, Yamagata University, Iida-Nishi, Yamagata, Japan.
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Tanabe Y, Kawasaki R, Wang JJ, Wong TY, Mitchell P, Daimon M, Oizumi T, Kato T, Kawata S, Kayama T, Yamashita H. Angiotensin-converting enzyme gene and retinal arteriolar narrowing: the Funagata Study. J Hum Hypertens 2009; 23:788-93. [PMID: 19369957 PMCID: PMC2834325 DOI: 10.1038/jhh.2009.27] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The purpose of this study is to determine whether the angiotensin-converting enzyme (ACE) gene polymorphism is associated with retinal arteriolar narrowing, a subclinical marker of chronic hypertension. The Funagata Study examined a population-based sample of Japanese aged 35+ years; 368 participants had both retinal vessel diameter measurements and ACE insertion/deletion (ACE I/D) polymorphism analyses performed. Assessment of retinal vessel diameter and retinal vessel wall signs followed the protocols used in the Blue Mountains Eye Study. ACE gene polymorphisms D/D, I/D and I/I were present in 34 (9.2%), 170 (46.2%) and 164 (44.5%) participants, respectively, distributed in Hardy-Weinberg equilibrium. After multivariable adjustment, retinal arteriolar diameter was significantly narrower in subjects with the D/D genotype compared to subjects with I/D and I/I genotypes (mean difference -6.49 microm, 95% confidence interval (CI): -12.86 microm, -0.11 microm). Our study suggests that the ACE I/D polymorphism may be associated with subclinical structural arteriolar changes related to chronic hypertension.
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Affiliation(s)
- Y Tanabe
- Department of Ophthalmology and Visual Science, Yamagata University, Yamagata, Japan
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Kawasaki R, Tielsch JM, Wang JJ, Wong TY, Mitchell P, Tano Y, Tominaga M, Oizumi T, Daimon M, Kato T, Kawata S, Kayama T, Yamashita H. The metabolic syndrome and retinal microvascular signs in a Japanese population: the Funagata study. Br J Ophthalmol 2007; 92:161-6. [PMID: 17965107 DOI: 10.1136/bjo.2007.127449] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
AIMS To determine the relationship of metabolic syndrome and its components with retinopathy and other retinal microvascular signs in a Japanese population. METHODS The Funagata study recruited 1961 (53.3% of eligible) Japanese aged 35 or older. The metabolic syndrome was diagnosed primarily using definitions of the International Diabetes Federation. Retinopathy and retinal microvascular signs were assessed from fundus photographs. Retinal arteriolar and venular diameters were measured using a computer-assisted programme. RESULTS Data were available for analysis in 1638 persons for retinopathy and retinal microvascular signs and 921 persons for retinal vessel diameters. Various components of the metabolic syndrome were associated with retinal microvascular signs: a larger waist circumference was associated with wider venular diameter and retinopathy lesions; a higher blood pressure level was associated with focal arteriolar narrowing, arteriovenous nicking, enhanced arteriolar wall reflex and narrower arteriolar diameter; and a higher triglyceride level was associated with enhanced arteriolar wall reflex. Overall, persons with the metabolic syndrome were more likely to have retinopathy (odds ratio 1.64, 95% CI: 1.02 to 2.64) and wider venular diameter 4.69 microm (95% CI: 1.20 to 8.19 microm) than persons without the metabolic syndrome. CONCLUSION We report associations of metabolic syndrome components with retinopathy and wider venular diameter in Japanese adults. These data suggest that metabolic abnormalities, indicated by metabolic syndrome components, are associated with microvascular changes in the retina. There was no synergistic effect of the metabolic syndrome on retinal microvascular changes beyond its individual components.
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Affiliation(s)
- R Kawasaki
- Department of Ophthalmology and Visual Science, Yamagata University Faculty of Medicine, Yamagata, Japan.
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Daimon M, Nakano H. The new assessment of left atrial plication for giant left atrium. J Cardiovasc Surg (Torino) 2007; 48:653-657. [PMID: 17989636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
AIM Left atrial plication is occasionally performed to reduce the size of the left atrium. We present our new method of evaluating the effect of plication on giant left atrium. METHODS Respiratory and cardiac function were evaluated before and after left atrial plication in 8 patients with giant left atrium. At the same time, the postoperative changes in the ratio of left atrial volume to left ventricular end-diastolic volume and left atrial volume to stroke volume were examined. These values were also compared with those of 5 patients who underwent individual mitral surgery and of 9 patients with normal cardiac function. RESULTS No significant change was seen in vital capacity, percent of one second forced expiratory volume, ejection fraction, pulmonary capillary wedge pressure and left ventricular end-diastolic volume index, while left atrial dimension and left atrial volume decreased significantly. Both the ratio of left atrial volume to left ventricular end-diastolic volume and the ratio of left atrial volume to stroke volume decreased after surgery; the significant difference disappeared compared to the normal values. CONCLUSION Left atrial plication is a useful method for patients with giant left atrium, since it corrects the disproportion between atrial and the ventricular volumes, which may decrease the left ventricular preload and increase the flow velocity passing through the mitral valve. The ratio of left atrial volume to left ventricular end-diastolic volume and to stroke volume are helpful for evaluating the efficacy of plication.
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Affiliation(s)
- M Daimon
- Department of Cardiovascular Surgery, The Heart Institute of Japan, Tokyo Women's Medical University, Kawada-cho, Shinjuku-ku, Tokyo, Japan.
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Nagasawa H, Wada M, Arawaka S, Kawanami T, Kurita K, Daimon M, Adachi M, Hosoya T, Emi M, Muramatsu M, Kato T. A polymorphism of the aldehyde dehydrogenase 2 gene is a risk factor for multiple lacunar infarcts in Japanese men: the Takahata Study. Eur J Neurol 2007; 14:428-34. [PMID: 17388993 DOI: 10.1111/j.1468-1331.2007.01700.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The objective of the present study was to examine the association between a polymorphism of the aldehyde dehydrogenase 2 (ALDH2) gene and lacunar infarcts of the brain. We conducted a population-based, cross-sectional study on residents from two age groups (61- and 72-year olds). A total of 376 subjects participated in the study, which included brain magnetic resonance image and genetic analysis of the ALDH2 gene. Of the 61- and 72-year-old subjects, 46.4% and 64.3%, respectively, had one or more lacunar infarcts. The average number of infarcts also increased from 2.0 to 2.8 in men and from 2.3 to 3.5 in women. No significant association between the ALDH2 genotype and the presence of lacunar infarction (> or =1) was found. However, in subjects with lacunar infarction, the genotype of ALDH2 *1/*1 was associated with a larger number of the lesion ['single' versus 'multiple' odds ratio (OR) 3.73, 95%CI: 1.43-9.74] in men. The OR was comparable even after adjusting for alcohol consumption, tobacco habits, age, hypertension, hypercholesterolemia, and diabetes mellitus (DM) (OR 3.88; 95% CI: 1.10-13.66). In women, there was no significant association between the ALDH2 genotypes and lacunar infarcts. The present study revealed that the ALDH2 *1/*1 genotype was significantly associated with the prevalence of multiple lacunar infarcts in Japanese men.
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Affiliation(s)
- H Nagasawa
- Third Department of Internal Medicine, Yamagata University School of Medicine, Yamagata, Japan
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Kawata T, Daimon M, Hasegawa R, Teramoto K, Toyoda T, Sekine T, Yamamoto K, Uchida D, Himi T, Yoshida K, Komuro I. Serum asymmetric dimethylarginine as a marker of coronary microcirculation in patients with non-insulin dependent diabetes mellitus: correlation with coronary flow reserve. Heart 2006; 91:1607-8. [PMID: 16287749 PMCID: PMC1769209 DOI: 10.1136/hrt.2004.051011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Watanabe K, Yokozeki K, Ashizawa R, Sakata N, Morioka M, Sakai E, Daimon M. High durability cementitious material with mineral admixtures and carbonation curing. Waste Manag 2006; 26:752-7. [PMID: 16650753 DOI: 10.1016/j.wasman.2006.01.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2005] [Accepted: 01/31/2006] [Indexed: 05/08/2023]
Abstract
Nuclear waste repositories need highly durable cementitious materials to function for over thousands of years while resisting leaching and degradation. The durability of cementitious material can be effectively improved by reducing permeability and by changing cement hydrates to a less soluble matrix. This paper describes the properties of carbonated new cementitious materials containing belite-rich cement and gamma-2CaO.SiO2 as main components. In addition, the long-term leaching properties are investigated and compared with ordinary Portland cement by using a predictive leaching model.
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Affiliation(s)
- K Watanabe
- Kajima Technical Research Institute, Civil Structure and Materials Group, 2-19-1 Tobitakyu, Chofu-shi, Tokyo, Japan.
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Abstract
Background and Purpose—
No large-scale study has ever compared the clinical and radiological features of lateral medullary infarction (LMI) and medial medullary infarction (MMI). The aim of this study was to investigate them through the use of cooperatively collected cases.
Methods—
Medical information on all patients from 1996 to 2000 with medullary infarction (MI) proven by brain MR images at 35 stroke centers in the Tohoku district, Japan, was collected, and their clinical and radiological features were analyzed.
Results—
A total of 214 cases of MI were registered. They included 167 cases (78%) of LMI, 41 (19%) of MMI, and 6 (3%) of LMI plus MMI. The mean age of onset and the male-to-female ratio were 60.7 years and 2.7:1 in LMI and 65.0 years and 3.6:1 in MMI, respectively. The middle medulla was most frequently affected in LMI, and the upper medulla was most frequently affected in MMI. Dissection of the vertebral artery was observed in 29% of LMI and 21% of MMI. Prognosis, assessed by the Barthel Index, was favorable in both LMI and MMI. Diabetes mellitus was more frequently associated with MMI than with LMI.
Conclusions—
The present study surveyed a large number of MI cases and revealed that (1) the mean age of onset of MMI is higher than that of LMI, (2) the dissection of the vertebral artery is an important cause not only of LMI but also of MMI, and (3) diabetes mellitus is frequently associated with MMI.
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Affiliation(s)
- W Kameda
- Third Department of Internal Medicine, Yamagata University School of Medicine, Yamagata, Japan
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35
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Wada M, Kimura M, Daimon M, Kurita K, Kato T, Johmura Y, Johkura K, Kuroiwa Y, Sobue G. An unusual phenotype of McLeod syndrome with late onset axonal neuropathy. J Neurol Neurosurg Psychiatry 2003; 74:1697-8. [PMID: 14638894 PMCID: PMC1757430 DOI: 10.1136/jnnp.74.12.1697] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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36
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Kato T, Kimura H, Daimon M. Reply to the Letter by Lange et al.: Is Endotoxin an Environmental Cause of Parkinson’s Disease? Neuroepidemiology 2003. [DOI: 10.1159/000071197] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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37
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Nakano H, Daimon M, Hayashi K, Chikazawa G. [Benefit of off-pump coronary artery bypass grafting evaluated from the change of the regional myocardial oxygen metabolism during bypass grafting]. Kyobu Geka 2003; 56:703-7. [PMID: 12910955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
Recently, off-pump coronary artery bypass grafting (off-pump CABG: OPCAB) has been considered a safe alternative to conventional CABG (CCAB) for myocardial revascularization, because OPCAB improves operative mortality and morbidity from the view of reduction of multi-organ complications, duration of hospital stay, risks of blood transfusion and operative costs. This study was performed to estimate the benefit of OPCAB by examining the change of myocardial oxygen metabolism during OPCAB. Twenty five patients who had undergone OPCAB including the internal thoracic artery (LITA) on the segment 8 of the left anterior descending coronary artery (LAD) were studied in this series, and divided in 2 groups [17 angina pectoris (AP) cases, 8 old myocardial infarction (OMI) cases]. With 3-wave length near infrared spectroscopy (TOS-96: TOSTEC, Tokyo, Japan), the tissue hemoglobin (Hb) volume in the myocardium [Hb index (HbI) = 10 x calibrated absorption at 801 nm/clinical absorption intensity at 801 nm] and the myocardial tissue oxygen saturation (rSo2) on the surface of the left ventricle surrounded by LAD and the 2nd diagonal branch were measured at 5 minutes before and after OPCAB to LAD, and myocardial oxygen metabolism (OM) was calculated [OM = (20-1.34 x systemic Hb x rSo2/100) x HbI]. During OPCAB, several hemodynamic data, systemic Hb and arterial gas findings were not changed. In both groups, the HbI and the OM were significantly increased [HbI: AP group; 1.04 +/- 0.23 to 1.57 +/- 0.41 (p < 0.0001), OMI group; 0.99 +/- 0.28 to 1.55 +/- 0.39 (p = 0.0051), OM: AP group; 11.6 +/- 3.1 to 17.5 +/- 6.0 (p = 0.0010), OMI group; 10.6 +/- 2.3 to 16.1 +/- 2.8 (p = 0.0007)]. The rSo2 was not changed and remained within normal limit during OPCAB. These findings suggested that the regional myocardial oxygen metabolism would be improved immediately just after OPCAB and this finding might be one of the reasons why OPCAB shows the good mortality and morbidity compared with CCAB.
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Affiliation(s)
- H Nakano
- Department of Cardiovascular Surgery, Tokyo Medical University Kasumigaura Hospital, Ibaraki, Japan
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38
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Kimura H, Kurimura M, Wada M, Kawanami T, Kurita K, Suzuki Y, Katagiri T, Daimon M, Kayama T, Kato T. Female preponderance of Parkinson's disease in Japan. Neuroepidemiology 2002; 21:292-6. [PMID: 12411732 DOI: 10.1159/000065527] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
A male preponderance of Parkinson's disease (PD) has been reported in European countries and the USA. To verify this issue in Japanese patients with PD, we examined the age- and gender-specific prevalence of PD in Yamagata Prefecture (population 1,244,040), Japan. The prevalence of PD was 61.3/100,000 men and 91.0/100,000 women, showing that women were significantly more affected by PD than men (p < 0.001). Contrary to the findings in Europe and the USA, the results indicate a female preponderance of PD among the Japanese population.
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Affiliation(s)
- H Kimura
- Third Department of Internal Medicine, Yamagata University School of Medicine, Yamagata, Japan
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39
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Nakano H, Hayashi K, Daimon M, Okamura H. [Influence of preoperative factors on off-pump coronary aortic bypass grafting success]. Kyobu Geka 2002; 55:451-6. [PMID: 12058454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
Heart displacement during off-pump CABG (OPCAB) might induce the hemodynamic instability. We attempted to show which preoperative factors would contribute to an increase in that incident during OPCAB. Between February 2000, and October 2000, 51 patients underwent CABG in Okamura Memorial Hospital. Of these patients, 42 patients (82.4%) underwent OPCAB and 9 patients (17.6%) were operated upon under cardiac arrest with cardiopulmonary bypass (NOPCAB). To expose target coronary arteries for OPCAB, 3 deep pericardial traction stitches were placed near the left lower pulmonary vein (LPV), the left of the inferior vena cava (IVC) and the mid portion between LPV and IVC. To further assist in providing good presentation, patients were placed in Trendelenburg position (30 degree head-down tilt) and the right decubitus (30 degree the right side-down tilt). There were no OPCAB patients to be converted to on-pump CABG during anastomosis. Mean number of grafts in OPCAB group was 2.5 +/- 0.1 per patient, while that in NOPCAB group was 3.4 +/- 0.2 (p < 0.01). The bypass patient rate were 97.1% (100/103) in OPCAB group and 100% (31/31) in NOPCAB group (p = NS). In both groups, bilateral internal thoracic arteries were actively used for reperfusion to the left coronary artery. In the preoperative catheterization findings, pulmonary capillary wedge pressure (PCW) and left ventricular end-diastolic pressure (LVEDP) were significantly higher in NOPCAB group than those in OPCAB group (PCW: 14.0 vs 7.9 mmHg, LVEDP: 14.0 vs 8.7 mmHg: p < 0.05), and there was a tendency of low preoperative ejection fraction (EF) and cardiac index (CI) in NOPCAB group compared with those in OPCAB group, although there were no differences in left ventricular end-diastolic and end-systolic volume index (LVEDVI and LVESVI) between both groups. These findings suggested that PCW and LVEDP within the normal limit could be credited for the success with OPCAB, while an increase of the left ventricular volume would not contribute to the actual success.
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Affiliation(s)
- H Nakano
- Department of Cardiovascular Surgery, Tokyo Medical University, Kasumigaura Hospital, Ibaraki, Japan
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40
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Nanto H, Araki T, Daimon M, Kusano E, Kinbara A, Kawabata K, Nakano Y. Optically stimulated luminescence in an imaging plate using BaFi:Eu. Radiat Prot Dosimetry 2002; 100:385-388. [PMID: 12382904 DOI: 10.1093/oxfordjournals.rpd.a005895] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
BaFI:Eu phosphors are fabricated using a new method of synthesis: liquid phase synthesis, in which the phosphor particles are formed through the association of Ba2+ ions, F-ions and Eu2+ ions in solution. An intense optically stimulated luminescence (OSL) peak at about 410 nm is observed by stimulating X ray irradiated BaFI:Eu phosphor with about 550-750 nm light. It is found that the peak wavelength of the optically stimulation spectrum is about 690 nm. This result suggests that the semiconductor laser can be used as the stimulating light source. It is also found that the OSL intensity is increased with increasing the X ray dose. The BaFI:Eu phosphor as a photostimulable material for the imaging plate of a computed radiography system provides the following advantages; (1) high X ray absorption coefficient, (2) high monodispersion in size which would contribute to sharp images, (3) high OSL and thus low luminescence mottle and (4) high DQE (detective quantum efficiency).
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Affiliation(s)
- H Nanto
- Kanazawa Institute of Technology, Advanced Materials Science R&D Centre, Mattou, Ishikawa, Japan.
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41
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Abstract
The appearance of hereditary coproporphyria (HCP) before puberty is very rare, and all reported cases of early-onset HCP have been in the homozygous or the compound heterozygous state. Some have been identified as harderoporphyria, which is a rare erythropoietic variant form of HCP. These conditions can be differentiated by molecular analysis because the gene abnormality responsible for harderoporphyria seems to be unique (K404E). Early-onset HCP, not harderoporphyria, is reported with a gene mutation in the heterozygous state and male pseudohermaphrodism. It was shown that adrenal gland hypofunction resulted in male pseudohermaphrodism. This case demonstrates the possibility that abnormalities of steroid metabolism influence porphyria.
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Affiliation(s)
- H Takeuchi
- Department of Pediatrics, Nagoya Daini Red Cross Hospital, Japan.
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42
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Igarashi M, Hirata A, Yamaguchi H, Tsuchiya H, Ohnuma H, Tominaga M, Daimon M, Kato T. Candesartan inhibits carotid intimal thickening and ameliorates insulin resistance in balloon-injured diabetic rats. Hypertension 2001; 38:1255-9. [PMID: 11751699 DOI: 10.1161/hy1101.095537] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This study investigates the effects of candesartan, an angiotensin II type 1 receptor blockade, on carotid arterial intimal thickening and glucose tolerance in balloon-injured male Wistar fatty rats and their littermates (Wistar lean rats). Candesartan was orally administered to 12-week-old rats for 21 days, and age-matched rats without the agent were used as the respective controls. Balloon catheterization in the left common carotid artery was performed on day 7, and the artery was removed on day 14 for histological analysis. Compared with the area ratios of the neointima/media in fatty rats without treatment, the ratios in fatty rats treated with candesartan at 1 mg. kg(-1). d(-1) and lean rats without treatment were significantly decreased to 65%; on the other hand, the ratios of fatty rats treated with candesartan at 10 mg. kg(-1). d(-1) and lean rats treated with 1 mg. kg(-1). d(-1) were reduced to 35%, and those of lean rats treated with 10 mg. kg(-1). d(-1) were reduced to 28%. The administration of candesartan also decreased the level of plasma glucose time- and dose-dependently in fatty rats. In an intragastric glucose load, the levels of both glucose and insulin at 30 and 60 minutes were significantly decreased when fatty rats were treated with candesartan at 10 mg. kg(-1). d(-1). In cultured vascular smooth muscle cells from fatty rats, insulin-stimulated Akt (New England Biolabs) phosphorylation and 2-deoxy-D-glucose uptake were inhibited to 59% and 68%, respectively, by angiotensin II, but the effects were ameliorated by the addition of 10(-7) mol/L candesartan. We conclude that candesartan could be effective for the suppression of vascular smooth muscle cell growth dose-dependently in Wistar fatty and lean rats. Furthermore, the agent could improve insulin resistance in Wistar fatty rats.
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Affiliation(s)
- M Igarashi
- Third Department of Internal Medicine, Yamagata University School of Medicine, Yamagata, Japan.
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43
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Nakano H, Daimon M, Hayashi K, Okamura H. [Combined off-pump CABG (OPCAB) and abdominal vascular surgery]. Kyobu Geka 2001; 54:1131-7. [PMID: 11761901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
Two simultaneous operations for off-pump CABG (OPCAB) and abdominal vascular surgery were performed safely and effectively. [Case 1] A 52-year-old man was admitted with the right intermittent claudication and angina pectoris. Coronary angiography and aortography showed 90% stenosis of left anterior descending coronary artery (LAD) and the right external iliac artery. The patient underwent 1 CABG using left internal thoracic artery (ITA) without cardiopulmonary bypass and abdominal aorta--the right external iliac bypass simultaneously. Bleeding volume during the operation was only 150 ml. The operation time was 3 hours 50 minutes. [Case 2] A 57-year-old man was referred from the other hospital with complaints of abdominal aortic aneurysm. He had the history of 4 stroke attacks caused by idiopathic aldosteronism. Preoperative coronary angiography and aortography showed severe 3 vessels disease and abdominal aortic aneurysm. First, we harvested bilateral ITAs, the right gastroepiploic artery (GEA) and saphenous vein (SV). The complete revascularization (left ITA-LAD, right ITA-1st diagonal branch, GEA-seg. 4 posterodescending branch, SV graft-posterolateral branch) was performed on the beating heart. Then we repaired the abdominal aortic aneurysm (56 mm in diameter) using a Gelsealed Y-graft. The operative course was uneventful. The operation time was 6 hours 15 minutes. These cases suggested that OPCAB technique combined with abdominal vascular surgery reduced operation time and prevented complication in the patient with the risk of brain trouble.
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Affiliation(s)
- H Nakano
- Department of Cardiovascular Surgery, Tokyo Medical University, Kasumigaura Hospital, Ibaraki, Japan
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Ikezawa Y, Yamatani K, Ohnuma H, Igarashi M, Daimon M, Manaka H, Sasaki H. Insulin inhibits glucagon-induced glycogenolysis in perivenous hepatocytes specifically. J Lab Clin Med 2001; 138:387-92. [PMID: 11753285 DOI: 10.1067/mlc.2001.119434] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Hepatocytes form the hepatic acinus as the unit of microcirculation. Following the bloodstream, at least 2 different zones can be discerned: the periportal and perivenous zones. Two types of hepatocytes, periportal hepatocytes (PPHs) and perivenous hepatocytes (PVHs), have been thought to be functionally heterogeneous, with PPHs being predominantly gluconeogenic and PVHs being glycolytic. We therefore investigated the region-specific functional effects of insulin on glycogen synthesis, glycolysis, glycogenolysis, and gluconeogenesis in isolated PPHs and PVHs prepared by using the digitonin-collagenase method. Glycogen synthesis from 5 to 20 mmol/L glucose did not differ between the PPHs and PVHs of fed rats during 60 minutes of incubation. Lactate release induced by 5 to 20 mmol/L glucose was 3 times greater from PVHs than from PPHs (P <.01). The addition of insulin did not accelerate either glycogen synthesis or lactate release during 60 minutes of incubation. Insulin did not inhibit glucose release from gluconeogenic substrates with or without 0.2 nmol/L glucagon in either the PPHs or the PVHs of fasting rats. Insulin antagonized the 0.1 nmol/L glucagon-induced increase in glucose release from the PVHs of fed rats during 30 minutes of incubation (to 56.1% +/- 7.2%, P <.01) but not that from the PPHs (to 81.8% +/- 7.3%, P =.10). Thus the antagonizing effect was greater in PVHs than in PPHs (P <.01). Insulin binding did not differ between the PPHs and PVHs of fed rats. It was confirmed that PVHs are actually glycolytic. An acute metabolic effect of insulin was observed only in antagonizing glucagon-induced glycogenolysis in PVHs specifically. The specific effect of insulin on PVHs might depend on the differences in intracellular characteristics between PPHs and PVHs rather than hormone binding.
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Affiliation(s)
- Y Ikezawa
- Third Department of Internal Medicine, Yamagata University School of Medicine, Japan
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45
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Nakano H, Hayashi K, Ootsuka G, Daimon M, Okamura H. [A case report of the dissecting aneurysm of ascending aorta, which was surmised to be developed after aortic valve replacement]. Kyobu Geka 2001; 54:977-80. [PMID: 11593739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
Bentall operation was performed for the ascending aortic dissection in the patient of a 70-year old man, who had undergone aortic valve replacement (AVR) for aortic valve regurgitation 7 years ago. At the AVR, the diameter of the ascending aorta was 50 mm on CT. During the follow up period after AVR, the ascending aorta was gradually developed to 95 mm in diameter without any symptoms. During the reoperation, entry was recognized on the prior aortotomy reinforced with felt-strips and the intimal flap was thickened. These situations suggested that the aortic dissection might be occurred just or early after AVR, and the reinforcement of aortotomy using felt-strips and AVR could not prevent progression of aortic root enlargement and dissection. From some previous reports about ascending aortic dissection after AVR, an adequate surgical treatment for a dilated ascending aorta (40-50 min) should be required at the same time of AVR.
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Affiliation(s)
- H Nakano
- Department of Cardiovascular Surgery, Okamura Memorial Hospital, Shizuoka, Japan
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46
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Oizumi T, Daimon M, Saitoh T, Kameda W, Yamaguchi H, Ohnuma H, Igarashi M, Eguchi H, Manaka H, Tominaga M, Kato T. Genotype Arg/Arg, but not Trp/Arg, of the Trp64Arg polymorphism of the beta(3)-adrenergic receptor is associated with type 2 diabetes and obesity in a large Japanese sample. Diabetes Care 2001; 24:1579-83. [PMID: 11522702 DOI: 10.2337/diacare.24.9.1579] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Despite a large number of studies, no association of the Trp64Arg polymorphism of the beta(3)-adrenergic receptor gene with obesity and type 2 diabetes has yet to be clearly elucidated. We examined the associations in a large population-based sample. RESEARCH DESIGN AND METHODS A total of 1,685 subjects (935 women and 750 men, aged 58.7 +/- 12.4 years) from a cohort population (n = 3,706) of the Funagata Diabetes Study were divided into three groups according to genotypes: Trp/Trp (n = 1,155), Trp/Arg (n = 486), and Arg/Arg (n = 44). Glucose tolerance was diagnosed according to the 1985 World Health Organization criteria. Subjects who had a BMI > or =30 kg/m(2) were considered obese. Associations with the traits related to obesity, diabetes, hypertension, and dyslipidemia were also examined. The chi(2) test and analysis of variance were used for the association studies and to assess the differences in the traits' values, respectively. RESULTS More subjects with genotype Arg/Arg were obese and had diabetes (13.6% for each) than those with genotype Trp/Trp (3.29%, P < 0.001; and 4.16%, P = 0.007, respectively) or genotype Trp/Arg (2.06%, P < 0.001; and 5.97%, P = 0.051, respectively). No significant differences in the frequencies of occurrence of these conditions were observed between genotypes Trp/Arg and Trp/Trp. Traits related to obesity, such as percent body fat (28.82 +/- 7.95 vs. 25.93 +/- 7.21, P = 0.038) and BMI (25.07 +/- 3.84 vs. 23.63 +/- 3.18, P = 0.018), were higher in the genotype Arg/Arg than in the genotype Trp/Trp groups. CONCLUSIONS Genotype Arg/Arg, but not Trp/Arg, of the beta(3)-adrenergic receptor was associated with both obesity and type 2 diabetes in a large Japanese sample.
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Affiliation(s)
- T Oizumi
- Third Department of Internal Medicine, Yamagata University School of Medicine, Yamagata, Japan
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Yamaguchi H, Igarashi M, Hirata A, Susa S, Ohnuma H, Tominaga M, Daimon M, Kato T. Platelet-derived growth factor BB-induced p38 mitogen-activated protein kinase activation causes cell growth, but not apoptosis, in vascular smooth muscle cells. Endocr J 2001; 48:433-42. [PMID: 11603565 DOI: 10.1507/endocrj.48.433] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The aim of this experiment was to examine the regulation of p38 mitogen-activated protein (MAP) kinase by platelet-derived growth factor (PDGF)-BB and its biological effects on rat cultured vascular smooth muscle cells (VSMCs). VSMCs were obtained from aortae of male Wistar rats by the media explant technique. After being stimulated by PDGF-BB with or without the p38 MAP kinase-specific inhibitor, SB-203580, the cells were solubilized, and the levels of phosphorylated p38 MAP kinase were examined by immunoblot analysis. The amounts of DNA synthesis and content were measured by using [3H]-thymidine and Hoechst-33258 dye, respectively. The detection of apoptotic cells was evaluated by the TUNEL method. PDGF-BB could phosphorylate p38 MAP kinase dose-dependently, and the phosphorylation was specifically inhibited by SB-203580 in a dose-dependent manner. However, PDGF-BB did not affect the protein level of p38 MAP kinase. Both [3H]-thymidine incorporation and total cellular DNA content were increased by PDGF-BB, and these elevations were prevented by SB-203580. In contrast, PDGF-BB-stimulated VSMCs did not show apoptotic change in spite of the presence or absence of SB-203580. These results established that PDGF-BB activated p38 MAP kinase and subsequently regulated cell growth in VSMCs, providing a molecular mechanism by which p38 MAP kinase can cause the development of cardiovascular diseases, including atherosclerosis.
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Affiliation(s)
- H Yamaguchi
- Third Department of Internal Medicine, Yamagata University School of Medicine, Japan
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48
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Igarashi M, Hirata A, Yamaguchi H, Tsuchiya H, Ohnuma H, Tominaga M, Daimon M, Kato T. Characterization of an inhibitory effect of pioglitazone on balloon-injured vascular smooth muscle cell growth. Metabolism 2001; 50:955-62. [PMID: 11474485 DOI: 10.1053/meta.2001.24869] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
This study investigates whether pioglitazone could suppress an atherogenic process such as balloon-injured carotid intimal thickening and the proliferation of vascular smooth muscle cells (VSMC). We first examined the effect of pioglitazone to determine whether it could suppress intimal thickening induced by balloon catheterization in Sprague-Dawley rats. After 14 days postcatheterization in the left common carotid artery, the neointimal layers were completely occupied by proliferated VSMC, and the area ratio of neointima to media treated with 10 mg/kg/d of pioglitazone was significantly decreased to 57%. Next, we evaluated the effect of pioglitazone on the proliferation of rat cultured VSMC. Piogliotazone dose-dependently decreased the values of DNA synthesis, total cellular protein content, phosphorylations of extracellular signal-regulated protein kinase 1/2 and mitogen-activated protein kinase kinase 1/2, and proliferative cell nuclear antigen in VSMC. Pioglitazone also inhibited the phosphorylation of Pyk2. We conclude that pioglitazone itself could be effective for suppressing the growth of VSMC and consequent carotid intimal thickening.
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Affiliation(s)
- M Igarashi
- Third Department of Internal Medicine, Yamagata University School of Medicine, Yamagata, Japan
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49
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Yamaguchi H, Igarashi M, Hirata A, Tsuchiya H, Susa S, Tominaga M, Daimon M, Kato T. Characterization of platelet-derived growth factor-induced p38 mitogen-activated protein kinase activation in vascular smooth muscle cells. Eur J Clin Invest 2001; 31:672-80. [PMID: 11473568 DOI: 10.1046/j.1365-2362.2001.00865.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND The mitogen-activated protein (MAP) kinase super-family plays a crucial role in cell growth and differentiation and even in programmed cell death in response to diverse extracellular stimuli. The platelet-derived growth factor (PDGF)-BB is well known to promote the proliferation of vascular smooth muscle cells (VSMC) via extracellular-regulated protein kinases (ERKs), leading to the development of cardiovascular diseases. However, it has not yet been clarified whether PDGFs that include other isoforms can activate the other parallel signal transduction pathways, c-jun NH2-terminal protein kinase (JNK) and p38 MAP kinase (p38), in VSMC. In this study, we investigated the effect of PDGFs on p38 activation in cultured rat VSMC. MATERIALS AND METHODS After stimulation by PDGFs with SB-203580 or PD-98059, the cells were solubilized, and the expressions of MAP kinases, MAP kinase kinases (MKKs), phosphorylated DNA-binding proteins, and cyclooxigenases (COXs) were examined by immunoblot analysis. RESULTS PDGFs activated p38 phosphorylation dose-dependently, and the phosphorylations were specifically inhibited by SB-203580 but not by PD-98059. PDGFs also activated the phosphorylation of MKK 3/MKK 6 but not that of either stress-activated protein kinase/ERK kinase or JNK. PDGFs affected the activation of a cyclic AMP response-element binding protein, which was inhibited by SB-203580. However, the activating transcription factor-2 was not activated by PDGFs. Interestingly, the stimulation of PDGFs for 72 h enhanced the level of COX-2, and these levels were decreased by SB-203580. CONCLUSION These results have clarified that PDGFs activate the p38 cascade via an MKK 3/6 pathway, independently of the ERK cascade, and subsequently regulate the level of COX-2 in rat VSMC, providing that PDGFs influence the inflammatory process in the vascular wall.
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Affiliation(s)
- H Yamaguchi
- Third Department of Internal Medicine, Yamagata University School of Medicine, Yamagata, Japan
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Affiliation(s)
- S Moriai
- Third Department of Internal Medicine, Yamagata University School of Medicine
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