研究者詳細 - 久松　隆史

論文 - 久松　隆史

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Cardiac Conduction Disorders as Markers of Cardiac Events in Myotonic Dystrophy Type 1. 査読国際誌

Hideki Itoh, Takashi Hisamatsu, Takuhisa Tamura, Kazuhiko Segawa, Toshiaki Takahashi, Hiroto Takada, Satoshi Kuru, Chizu Wada, Mikiya Suzuki, Shugo Suwazono, Shingo Sasaki, Ken Okumura, Minoru Horie, Masanori P Takahashi, Tsuyoshi Matumura

Journal of the American Heart Association 9 ( 17 ) e015709 2020年9月

担当区分：筆頭著者記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Ovid Technologies (Wolters Kluwer Health)

Background Myotonic dystrophy type 1 involves cardiac conduction disorders. Cardiac conduction disease can cause fatal arrhythmias or sudden death in patients with myotonic dystrophy type 1. Methods and Results This study enrolled 506 patients with myotonic dystrophy type 1 (aged ≥15 years; >50 cytosine-thymine-guanine repeats) and was treated in 9 Japanese hospitals for neuromuscular diseases from January 2006 to August 2016. We investigated genetic and clinical backgrounds including health care, activities of daily living, dietary intake, cardiac involvement, and respiratory involvement during follow-up. The cause of death or the occurrence of composite cardiac events (ie, ventricular arrhythmias, advanced atrioventricular blocks, and device implantations) were evaluated as significant outcomes. During a median follow-up period of 87 months (Q1-Q3, 37-138 months), 71 patients expired. In the univariate analysis, pacemaker implantations (hazard ratio [HR], 4.35; 95% CI, 1.22-15.50) were associated with sudden death. In contrast, PQ interval ≥240 ms, QRS duration ≥120 ms, nutrition, or respiratory failure were not associated with the incidence of sudden death. The multivariable analysis revealed that a PQ interval ≥240 ms (HR, 2.79; 95% CI, 1.9-7.19, P<0.05) or QRS duration ≥120 ms (HR, 9.41; 95% CI, 2.62-33.77, P < 0.01) were independent factors associated with a higher occurrence of cardiac events than those observed with a PQ interval <240 ms or QRS duration <120 ms; these cardiac conduction parameters were not related to sudden death. Conclusions Cardiac conduction disorders are independent markers associated with cardiac events. Further investigation on the prediction of occurrence of sudden death is warranted.

DOI： 10.1161/JAHA.119.015709

Smoking habits and progression of coronary and aortic artery calcification: A 5-year follow-up of community-dwelling Japanese men 査読

Tai Pham, Akira Fujiyoshi, Takashi Hisamatsu, Sayaka Kadowaki, Aya Kadota, Maryam Zaid, Ayako Kunimura, Sayuki Torii, Hiroyoshi Segawa, Keiko Kondo, Minoru Horie, Katsuyuki Miura, Hirotsugu Ueshima

International Journal of Cardiology 314 89 - 94 2020年9月

日本人一般男性を対象とした脳MRIを用いた無症候性脳血管疾患と四つの血圧指標との関連性評価(Relationship of Four Blood Pressure Indexes to Subclinical Cerebrovascular Diseases Assessed by Brain MRI in General Japanese Men) 査読

Salman Ebtehal, Kadota Aya, Hisamatsu Takashi, Segawa Hiroyoshi, Torii Sayuki, Fujiyoshi Akira, Kondo Keiko, Arima Hisatomi, Shiino Akihiko, Miura Katsuyuki, Ueshima Hirotsugu

日本循環器学会学術集会抄録集 84回 ( 2 ) OE118 - 3 2020年7月

Proteinuria and Reduced Estimated Glomerular Filtration Rate are Independently Associated With Lower Cognitive Abilities in Apparently Healthy Community-Dwelling Elderly Men in Japan: A Cross-sectional Study. 査読

Akira Fujiyoshi, Katsuyuki Miura, Takayoshi Ohkubo, Naoko Miyagawa, Yoshino Saito, Itsuko Miyazawa, Akihiko Shiino, Aya Kadota, Sayaka Kadowaki, Takashi Hisamatsu, Sayuki Torii, Naoyuki Takashima, Ikuo Tooyama, Hirotsugu Ueshima

Journal of epidemiology 30 ( 6 ) 244 - 252 2020年6月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Japan Epidemiological Association

BACKGROUND: The association of proteinuria and reduced estimated glomerular filtration rate (eGFR) with cognition needs more clarification. We cross-sectionally examined whether proteinuria and reduced eGFR, even in moderate stages, were independently associated with lower cognition in a community-based sample of elderly men. METHODS: Our cohort initially comprised 1,094 men aged 40-79 years from a random sample from Shiga, Japan in 2006-2008. Of 853 men who returned for the follow-up examination (2009-2014), we analyzed 561 who were ≥65 years, free of stroke, and completed the Cognitive Abilities Screening Instrument (CASI) at follow-up (higher CASI scores [range 0 to 100] indicate better cognition). Proteinuria was assessed via dipstick. eGFR was calculated according to the Chronic Kidney Disease Epidemiology Collaboration Equation. Participants were divided into three groups either by eGFR (≥60, 59-40, and <40 mL/min/1.73 m2) or by proteinuria (no, trace, and positive), considered normal, moderate, and advanced, respectively. Using linear regression, we computed mean CASI score, with simultaneous adjustment for proteinuria and eGFR in addition to other potential confounders. RESULTS: Significant trends of lower cognition were observed across the groups of worse proteinuria and lower eGFR independently: multivariable-adjusted mean CASI scores were 90.1, 89.3, and 88.4 for proteinuria (Ptrend = 0.029), and 90.0, 88.5, and 88.5 for eGFR (Ptrend = 0.015) in mutual-adjustment model. CONCLUSIONS: Proteinuria and reduced eGFR, even in their moderate stages, were independently associated with lower cognition in a community-based sample of elderly men. The results suggest the importance of proteinuria and low eGFR for early detection and prevention of cognitive decline.

DOI： 10.2188/jea.JE20180258

Elevated Fasting Blood Glucose Levels Are Associated With Lower Cognitive Function, With a Threshold in Non-Diabetic Individuals: A Population-Based Study. 査読

Ziyi Liu, Maryam Zaid, Takashi Hisamatsu, Sachiko Tanaka, Akira Fujiyoshi, Naoko Miyagawa, Takahiro Ito, Aya Kadota, Ikuo Tooyama, Katsuyuki Miura, Hirotsugu Ueshima

Journal of epidemiology 30 ( 3 ) 121 - 127 2020年3月

記述言語：英語掲載種別：研究論文（学術雑誌）

BACKGROUND: Cognitive dysfunction has been recognized as a diabetes-related complication. Whether hyperglycemia or elevated fasting glucose are associated with cognitive decline remains controversial. We aimed to investigate the relationship between fasting glucose levels and cognitive function in diabetic and non-diabetic individuals. METHODS: Participants were Japanese diabetic (n = 191) and non-diabetic (n = 616) men, aged 46-81 years, from 2010-2014. Blood samples were taken after a 12 h fast. The Cognitive Ability Screening Instrument (CASI), with a maximum score of 100, was used for cognitive assessment. Cognitive domains of CASI were also investigated. Fractional logit regression with covariate adjustment for potential confounders was used to model cross-sectional relationships between fasting blood glucose and CASI score. RESULTS: For diabetic individuals, CASI score was 0.38 (95% confidence interval: 0.66-0.12) lower per 1 mmol/L higher fasting glucose level. Short-term memory domain also exhibited an inverse association. For non-diabetic individuals, a reverse U-shaped relationship was observed between fasting glucose and cognitive function, identifying a threshold for highest cognitive performance of 91.8 CASI score at 3.97-6.20 mmol/L (71.5-111.6 mg/dL) fasting glucose. Language ability domain displayed a similar relationship with fasting glucose. CONCLUSIONS: Elevated fasting glucose levels in diabetic men were associated with lower cognitive function, in which short-term memory was the main associated domain. Interestingly, in non-diabetic men, we identified a threshold for the inverse relationship of elevated fasting glucose with cognitive function. Contrastingly to diabetic men, language ability was the main associated cognitive domain among non-diabetic men.

DOI： 10.2188/jea.JE20180193

Physical activity levels in American and Japanese men from the ERA-JUMP Study and associations with metabolic syndrome. 査読国際誌

Naoko Sagawa, Bonny Rockette-Wagner, Koichiro Azuma, Hirotsugu Ueshima, Takashi Hisamatsu, Tomoko Takamiya, Aiman El-Saed, Katsuyuki Miura, Andrea Kriska, Akira Sekikawa

Journal of sport and health science 9 ( 2 ) 170 - 178 2020年3月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Elsevier BV

Background: Metabolic syndrome (MetS) is a global health problem. Physical activity (PA) is a known modifiable risk factor for MetS and individual MetS components. However, the role of PA could differ between sub-populations due to differences in the variability of PA and other MetS risk factors. To examine these differences, multi-country studies with standardized outcome measurement methods across cohorts are needed. Methods: Cross-sectional PA levels (total and domain specific) in healthy middle-aged (44-56 years) men in the Risk Factor Assessment among Japanese and U.S. Men in the Post-World War II Birth Cohort (ERA-JUMP) Study (n = 730; American: n = 417; Japanese: n = 313; from population-representative samples in Pittsburgh, Pennsylvania, USA, and Kusatsu, Shiga, Japan) were compared. The relationships between PA levels and MetS (overall and specific components) in/across the American and Japanese sub-cohorts (adjusting for age, smoking, and alcohol consumption) were also assessed using the same instruments (pedometer and validated questionnaire) to measure PA in both cohorts. Results: A total of 510 individuals provided complete data on PA (American: n = 265; Japanese: n = 245). The American cohort had significantly lower mean ± SD steps/day (7878 ± 3399 steps/day) vs. the Japanese cohort (9055 ± 3797 steps/day) (p < 0.001) but had significantly higher self-reported moderate-vigorous leisure PA (American: 15.9 (7.4-30.3) metabolic task equivalent hours per week (MET-h/week) vs. Japanese: 4.0 (0-11.3) MET-h/week, p < 0.0001). In both sub-cohorts, each 1000 steps/day increase was associated with lower odds of having MetS (American: OR = 0.90, 95%CI: 0.83-0.98; Japanese: OR = 0.87, 95%CI: 0.79-0.95) and the individual MetS component of high waist circumference (American: OR = 0.86, 95%CI: 0.79-0.94; Japanese: OR = 0.87, 95%CI: 0.80-0.95). In the American cohort only, higher self-reported leisure PA (Met-h/week) was associated with lower odds of MetS and high waist circumference (OR = 0.98, 95%CI: 0.97-0.99 for MetS and waist circumference, respectively). Conclusion: Higher total step counts/day had an important protective effect on MetS prevalence in both the Japanese and American cohorts, despite differences in PA levels and other MetS risk factors. The effect of steps/day (across all intensity levels) was much greater than domain-specific moderate-vigorous PA captured by questionnaire, suggesting the need for measurement tools that can best capture total movement when examining the effects of PA on MetS development.

DOI： 10.1016/j.jshs.2019.09.007

Liver fat accumulation assessed by computed tomography is an independent risk factor for diabetes mellitus in a population-based study: SESSA (Shiga Epidemiological Study of Subclinical Atherosclerosis). 査読

FUSE, Keiko, KADOTA, Aya, KONDO, Keiko, MORINO, Katsutaro, FUJIYOSHI, Akira, HISAMATSU, Takashi, KADOWAKI, Sayaka, MIYAZAWA, Itsuko, UGI, Satoshi, MAEGAWA, Hiroshi, MIURA, Katsuyuki, UESHIMA, Hirotsugu, Shiga, Epidemiological Study of Subclinical Atherosclerosis (SESSA) Research Group, 布施, 恵子, 門田, 文, 近藤, 慶子, 森野, 勝太郎, 藤吉, 朗, 久松, 隆史, 門脇, 紗也佳, 宮澤, 伊都子, 卯木, 智, 前川, 聡, 三浦, 克之, 上島, 弘嗣

Diabetes research and clinical practice 160 108002 - 108002 2020年2月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Elsevier Scientific Publishers

type:Journal Article
AIMS:Ectopic fat accumulation is related to insulin resistance and diabetes mellitus (DM). However, the effect of fatty liver on DM in non-obese individuals has not been clarified. We investigated whether liver fat accumulation assessed by computed tomography (CT) is associated with the incidence of DM.
METHODS:In a prospective population-based study, 640 Japanese men were followed up for 5 years. The liver to spleen (L/S) ratio of the CT attenuation value was used as the liver fat accumulation index. We calculated the odds ratio (OR) and 95% confidence interval (CI) for the DM incidence of per 1 standard deviation (SD) lower L/S and those of L/S < 1.0 compared with L/S ≥ 1.0, using logistic regression models.
RESULTS:Both per 1 SD lower L/S and L/S < 1.0 were significantly associated with a risk for DM incidence (1 SD lower L/S: OR = 1.57, 95%CI = 1.14-2.16; L/S < 1.0: OR = 2.27, 95%CI = 1.00-5.14). The relationship between L/S and incidence of DM was consistent in the obese and non-obese groups, with thresholds of BMI 25 kg/m2, waist circumference 85 cm, or visceral adipose tissue 100 cm2.
CONCLUSIONS:Liver fat accumulation assessed by CT was associated with the incidence of DM.

DOI： 10.1016/j.diabres.2020.108002

その他リンク： https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18H04074/

Anthropometric Obesity Indices were Stronger than CT-Based Indices in Associations with Carotid Intima-Media Thickness in Japanese Men. 査読

Yuyan Liu, Akira Fujiyoshi, Hisatomi Arima, Aya Kadota, Sayaka Kadowaki, Takashi Hisamatsu, Itsuko Miyazawa, Keiko Kondo, Ikuo Tooyama, Katsuyuki Miura, Hirotsugu Ueshima

Journal of atherosclerosis and thrombosis 26 ( 12 ) 1102 - 1114 2019年12月

記述言語：英語掲載種別：研究論文（学術雑誌）

AIM: Computed tomography (CT) can directly provide information on body compositions and distributions, compared to anthropometric indices. It has been shown that various obesity indices are associated with carotid intima-media thickness (IMT). However, whether CT-based obesity indices are stronger than anthropometric indices in association with atherosclerosis remains to be determined in a general population. METHODS: We cross-sectionally assessed carotid IMT using ultrasound in 944 community-dwelling Japanese men free of stroke and myocardial infarction. CT image at the L4-L5 level was obtained to compute areas of visceral adipose tissue (VAT) and subcutaneous adipose tissue (SAT). Anthropometric measures assessed included body mass index (BMI), waist circumference, and waist-to-hip ratio. Using multivariable linear regression, slopes of IMT per 20th to 80th percentile of each index were compared. We also compared the slope of index with simultaneous adjustment for BMI in the same model. RESULTS: Areas of VAT and SAT were positively associated with IMT, but not stronger than those of anthropometric indices in point estimates. Among all obesity indices, BMI was strongest in association with IMT after adjusting for age and lifestyle factors or further adjusting for metabolic factors. In simultaneous adjustment models, BMI, but not CT-based indices, remained significant and showed the strongest association. CONCLUSIONS: In community-dwelling Japanese men, anthropometric obesity indices, BMI in particular, were more strongly associated with carotid atherosclerosis than CT-based obesity indices. The association of general obesity with carotid atherosclerosis was strong and adding CT-based obesity measure did not considerably influence in the association.

DOI： 10.5551/jat.47977

Lipoprotein particles and coronary artery calcium in middle-aged US-White and Japanese men 査読国際誌

Hemant Mahajan, Maryam Zaid, Rachel Mackey, Aya Kadota, Abhishek Vishnu, Akira Fujiyoshi, Ahuja Vasudha, Takashi Hisamatsu, Rhobert Evans, Tomonori Okamura, Katsuyuki Miura, Lewis Kuller, Hirotsugu Ueshima, Akira Sekikawa

Open Heart 6 ( 2 ) e001119 - e001119 2019年12月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：BMJ

<sec><title>Objective</title>This cross-sectional study examined whether contrasting distributions of nuclear magnetic resonance (NMR)-measured lipoproteins contribute to differences in the prevalence of subclinical atherosclerosis measured using coronary artery calcium (CAC) between the two groups of middle-aged males: the US-residing Caucasian (US-White) and Japan-residing Japanese (Japanese).

</sec><sec><title>Methods</title>In a population-based study of 570 randomly selected asymptomatic men aged 40–49 years (270 US-White and 300 Japanese), we examined the relationship between race/ethnicity, NMR-measured lipoproteins and CAC (measured by Electron Beam CT and quantified using the Agatston method) using multivariable robust Poisson regression adjusting for traditional and novel risk factors for coronary heart disease (CHD).

</sec><sec><title>Results</title>The US-White compared with the Japanese had significantly different NMR-measured lipoprotein particle distributions. The US-White had a significantly higher prevalence of CAC≥10 (CAC-prevalence) compared with the Japanese adjusting for CHD risk factors (prevalence ratio (PR)=2.10; 95% CI=1.24 to 3.48), and this difference was partially attenuated (~18%) with further adjustment for lipoprotein levels (PR=1.73; 95% CI=1.02 to 3.08). There was no reclassification improvement with further addition of lipoproteins particle concentrations/size to a model that already included traditionally measured lipids (low-density lipoprotein cholesterol, high-density lipoprotein cholesterol, and triglycerides), cardiovascular risk factors, and inflammatory markers (net reclassification improvement index=−2% to 3%).

</sec><sec><title>Conclusions</title>Variations in the distribution of NMR-measured lipoprotein particles partially accounted for the difference in the CAC-prevalence between middle-aged US-White and Japanese men.

</sec>

DOI： 10.1136/openhrt-2019-001119

The association of home and accurately measured office blood pressure with coronary artery calcification among general Japanese men. 査読国際誌

Atsushi Satoh, Hisatomi Arima, Atsushi Hozawa, Takayoshi Ohkubo, Takashi Hisamatsu, Sayaka Kadowaki, Aya Kadota, Akira Fujiyoshi, Naoko Miyagawa, Maryam Zaid, Sayuki Torii, Tomonori Okamura, Akira Sekikawa, Katsuyuki Miura, Hirotsugu Ueshima

Journal of hypertension 37 ( 8 ) 1676 - 1681 2019年8月

記述言語：英語掲載種別：研究論文（学術雑誌）

OBJECTIVE: We conducted a cross-sectional study to clarify whether home blood pressure (HBP) is more strongly associated with coronary artery calcification (CAC) than accurately measured office blood pressure (OBP) among the general population of Japanese men. METHODS: We analyzed the data of 919 Japanese male participants who were randomly selected from general population (mean age 64.5 years). OBP was measured twice consecutively by a trained nurse using electrical device after 5 min of complete rest alone in a sitting position in a silent room. The participants were asked to measure HBP with an electrical device once in the morning during 7 consecutive days. CAC was assessed using computed tomography. Presence of CAC was defined as Agatston score at least 10. We calculated odds ratios for the presence of CAC per one SD higher OBP and HBP adjusted for age and other cardiovascular risk factors. RESULTS: The mean systolic OBP (SD) and HBP (SD) were 136.8 (19.0) and 137.2 (18.5) mmHg, respectively, without statistical difference between the two (P = 0.595). OBP and HBP were highly correlated (r = 0.74 P < 0.001). CAC was found in 454 (49.4%) participants. Multivariable-adjusted odds ratios [95% confidence interval (CI)] for the presence of CAC were comparable between OBP (1.32, 95% CI: 1.12-1.56) and HBP (1.35, 95% CI: 1.14-1.60) (P heterogeneity = 0.813). CONCLUSION: The strength of association of accurately measured OBP with CAC was comparable with that of HBP among randomly selected male general population aged 40-79 years.

DOI： 10.1097/HJH.0000000000002080

Carotid Intima-Media Thickness and Plaque in Apparently Healthy Japanese Individuals with an Estimated 10-Year Absolute Risk of CAD Death According to the Japan Atherosclerosis Society (JAS) Guidelines 2012: The Shiga Epidemiological Study of Subclinical 査読

Kadota A, Miura K, Okamura T, Fujiyoshi A, Ohkubo T, Kadowaki T, Takashima N, Hisamatsu T, Nakamura Y, Kasagi F, Maegawa H, Kashiwagi A, Ueshima H, SESSA Research Group, for the NIPPON DATA, Research Group

Journal of atherosclerosis and thrombosis 26 ( 8 ) 746 - 746 2019年7月

Association of Alcohol Consumption With Fat Deposition in a Community-Based Sample of Japanese Men: The Shiga Epidemiological Study of Subclinical Atherosclerosis (SESSA). 査読

Masaki Sumi, Takashi Hisamatsu, Akira Fujiyoshi, Aya Kadota, Naoko Miyagawa, Keiko Kondo, Sayaka Kadowaki, Sentaro Suzuki, Sayuki Torii, Maryam Zaid, Atsushi Sato, Hisatomi Arima, Tomohiro Terada, Katsuyuki Miura, Hirotsugu Ueshima

Journal of epidemiology 29 ( 6 ) 205 - 212 2019年6月

記述言語：英語

BACKGROUND: Excessive alcohol intake has been shown to be associated with cardiovascular disease via metabolic pathways. However, the relationship between alcohol intake and obesity has not been fully elucidated. We aimed to examine the association of alcohol consumption with fat deposition and anthropometric measures. METHODS: From 2006-2008, we conducted a cross-sectional study in a population-based sample of Japanese men aged 40 through 79 years. Areas of abdominal visceral adipose tissue (VAT) and subcutaneous adipose tissue (SAT) were calculated using computed tomography imaging. Based on a questionnaire, we classified participants into five groups according to weekly alcohol consumption, excluding former drinkers: non-drinkers (0 g/week), 0.1-160.9, 161-321.9, 322-482.9, and ≥483 g/week. Multivariable linear regression was used to estimate adjusted means of obesity indices for each group. RESULTS: We analyzed 998 men (mean age and body mass index [BMI], 63.8 years and 23.6 kg/m2, respectively). Higher weekly alcohol consumption was strongly and significantly associated with higher abdominal VAT area, percentage of VAT, and VAT-to-SAT ratio (all P for trend <0.001), and also with waist circumferences and waist-to-hip ratio (P for trend = 0.042 and 0.007, respectively). These associations remained significant after further adjustment for BMI, whereas alcohol consumption had no significant association with abdominal SAT area. CONCLUSIONS: Higher alcohol consumption was associated with higher VAT area, VAT%, and VAT-to-SAT ratio, independent of confounders, including BMI, in general Japanese men. These results suggest that alcohol consumption may have a potential adverse effect on visceral fat deposition.

DOI： 10.2188/jea.JE20170191

Differences Between Coronary Artery Calcification and Aortic Artery Calcification in Relation to Cardiovascular Disease Risk Factors in Japanese Men 査読

Cecilia Kimani, Aya Kadota, Katsuyuki Miura, Akira Fujiyoshi, Maryam Zaid, Sayaka Kadowaki, Takashi Hisamatsu, Hisatomi Arima, Minoru Horie, Hirotsugu Ueshima

Journal of Atherosclerosis and Thrombosis 26 ( 5 ) 452 - 464 2019年5月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Japan Atherosclerosis Society

AIMS: Calcification in the coronary and aortic arteries has been linked to cardiovascular morbidity and mortality. The pathophysiological influence of aortic artery calcification (AAC) differs from that of coronary artery calcification (CAC). We aimed to compare the relationships between CAC and AAC and cardiovascular disease (CVD) risk factors. METHODS: We examined a random sample of 1035 Japanese men aged 40-79 years. CAC and AAC were measured by computed tomography and scored according to the Agatston method. Using a logistic regression, we calculated the odds ratio (OR) as being in the highest quintile (Q5) of the calcification score compared to the lower quintiles (Q1-Q4) per 1 standard deviation higher CVD risk factor. Models were simultaneously adjusted for age, body mass index (BMI), systolic blood pressure, smoking (pack-year), alcohol intake, hemoglobin A1c, uric acid, estimated glomerular filtration rate (eGFR), serum lipids, and C-reactive protein. Differences in ORs were investigated using a generalized estimating equation. We performed a multiple linear regression using log-transformed CAC and AAC values as dependent variables. RESULTS: CAC and AAC were independently associated with age (OR, 95% CI: 2.30 [1.77-2.98] for CAC and 3.48 [2.57-4.73] for AAC), p for difference ＜0.001), systolic blood pressure (1.29 [1.08-1.53] and 1.28 [1.07-1.54], p for difference=0.270), and smoking (1.22, [1.04-1.43] and 1.34 [1.13-1.58]) p for difference=0.071). Alcohol correlated with AAC only (1.17 [0.97-1.41] for CAC and 1.42 [1.16-1.73] for AAC, p for difference= 0.020). CONCLUSIONS: CAC and AAC were associated with similar CVD risk factors. The strength of association slightly differed between CAC and AAC.

DOI： 10.5551/jat.44784

Change in Pericardial Fat Volume and Cardiovascular Risk Factors in a General Population of Japanese Men 査読

Itsuko Miyazawa, Takayoshi Ohkubo, Sayaka Kadowaki, Akira Fujiyoshi, Takashi Hisamatsu, Aya Kadota, Hisatomi Arima, Matthew Budoff, Kiyoshi Murata, Katsuyuki Miura, Hiroshi Maegawa, Hirotsugu Ueshima

Circulation Journal 82 ( 10 ) 2542 - 2548 2018年9月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Japanese Circulation Society

BACKGROUND: Pericardial fat volume (PFV), defined as the volume of ectopic fat in and around the heart, is associated with the atherosclerotic process in coronary arteries. The magnitude of change in PFV over time and the factors affecting this change in a general population, however, have not been investigated. Methods and Results: Cardiac computed tomography (CT) was carried out at baseline and at follow-up in 623 Japanese men aged 40-79 years without a history of cardiovascular disease who were selected randomly in Kusatsu (Shiga, Japan). PFV was measured on cardiac CT in a qualified laboratory. Age, heart rate, triglycerides, and obesity measurements (weight, body mass index, and waist circumference) were significantly and positively associated with PFV at baseline. Over an average interval of 4.7 years, median PFV increased significantly from 64.1 cm3 (IQR, 47.2-90.0 cm3) to 73.6 cm3 (IQR, 53.3-98.1 cm3; P<0.001). Current smoking and heart rate were significantly and independently associated with changes in PFV (B=3.336, P<0.001 and B=6.409, P=0.003, respectively). CONCLUSIONS: PFV increased significantly over time in a population-based observational study of Japanese men. PFV change was significantly and independently associated with smoking status and heart rate, suggesting that quitting smoking might help reduce PFV, which could be expected to decrease the risk of coronary artery disease.

DOI： 10.1253/circj.cj-18-0153

Comparison of carotid plaque burden among healthy middle-aged men living in the US, Japan, and South Korea 査読

Abhishek Vishnu, Jina Choo, Aya Kadota, Emma J.M. Barinas-Mitchell, Akira Fujiyoshi, Dorothy Leann Long, Takashi Hisamatsu, Vasudha Ahuja, Yasuyuki Nakamura, Rhobert W. Evans, Katsuyuki Miura, Kamal H. Masaki, Chol Shin, Hirotsugu Ueshima, Akira Sekikawa

International Journal of Cardiology 266 245 - 249 2018年9月

Corrigendum to "Lipoprotein-associated phospholipase A2 is related to risk of subclinical atherosclerosis but is not supported by Mendelian randomization analysis in a general Japanese population." [Atherosclerosis 246 (March 2016) 141-147]. 査読国際誌

Ueshima H, Kadowaki T, Hisamatsu T, Fujiyoshi A, Miura K, Ohkubo T, Sekikawa A, Kadota A, Kadowaki S, Nakamura Y, Miyagawa N, Okamura T, Kita Y, Takashima N, Kashiwagi A, Maegawa H, Horie M, Yamamoto T, Kimura T, Kita T, ACCESS, SESSA Research Groups

Atherosclerosis 278 336 - 336 2018年8月

Association of blood levels of marine omega-3 fatty acids with coronary calcification and calcium density in Japanese men. 査読

Takashi Hisamatsu

European journal of clinical nutrition 73 ( 5 ) 783 - 792 2018年7月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Springer Science and Business Media LLC

BACKGROUND/OBJECTIVES:Clinical trials of eicosapentaenoic acid (EPA) among high-risk groups in Japan in which consumption of mairne-omega-3 fatty acids (OM3) is much higher than other countries showed slower progression of coronary atherosclerosis. We aimed to determine the cross-sectional associations of coronary artery calcification (CAC) and calcium density with OM3, EPA, and docosahexaenoic acid (DHA), two principal OM3, in the general population in Japan. SUBJECTS/METHODS:The Shiga Epidemiological Study of Subclinical Atherosclerosis examined a population-based sample of 1074 men aged 40-79 in 2006-08 for computed tomography-measured CAC score (CCS), a well-established biomarker of coronary atherosclerosis, CAC density score (CDS), a potential marker of plaque stabilization, serum levels of OM3, and risk factors. RESULTS:Prevalence of CCS > 0, ≥ 100, and ≥ 300 was 65.8%, 25.9%, and 12.9%, respectively; the mean (SD) OM3, EPA, and DHA were 10.1% (3.2), 3.2% (1.7), and 5.9% (1.6), respectively. Odds ratios (95% CI, p-value) of CCS 0, 100, and 300 in ordinal logistic regression associated with 1 SD increase of OM3, EPA, and DHA were 0.91 (0.81-1.03, p = 0.12), 0.99 (0.88-1.11, p = 0.87) and 0.84 (0.74-0.94, p = < 0.01), respectively. The inverse association of DHA with CCS remained significant in multivariate-adjusted model: odds ratio of 0.87 (0.77-0.99, p = 0.03). Blood levels of OM3, EPA, or DHA did not have any significant associations with CDS. CONCLUSIONS:DHA but not EPA had a significant inverse association with coronary atherosclerosis in the general population with high levels of OM3. Future trials are warranted comparing the effect of high-dose DHA and EPA on atherosclerosis and cardiovascular outcomes.

DOI： 10.1038/s41430-018-0242-7

その他リンク： http://www.nature.com/articles/s41430-018-0242-7

Association of Coronary Artery Calcification with Estimated Coronary Heart Disease Risk from Prediction Models in a Community-Based Sample of Japanese Men: The Shiga Epidemiological Study of Subclinical Atherosclerosis (SESSA). 査読

Akira Fujiyoshi, Hisatomi Arima, Sachiko Tanaka-Mizuno, Takahashi Hisamatsu, Sayaka Kadowaki, Aya Kadota, Maryam Zaid, Akira Sekikawa, Takashi Yamamoto, Minoru Horie, Katsuyuki Miura, Hirotsugu Ueshima

Journal of atherosclerosis and thrombosis 25 ( 6 ) 477 - 489 2018年6月

記述言語：英語掲載種別：研究論文（学術雑誌）

AIM: The clinical significance of coronary artery calcification (CAC) is not fully determined in general East Asian populations where background coronary heart disease (CHD) is less common than in USA/Western countries. We cross-sectionally assessed the association between CAC and estimated CHD risk as well as each major risk factor in general Japanese men. METHODS: Participants were 996 randomly selected Japanese men aged 40-79 y, free of stroke, myocardial infarction, or revascularization. We examined an independent relationship between each risk factor used in prediction models and CAC score ≥100 by logistic regression. We then divided the participants into quintiles of estimated CHD risk per prediction model to calculate odds ratio of having CAC score ≥100. Receiver operating characteristic curve and c-index were used to examine discriminative ability of prevalent CAC for each prediction model. RESULTS: Age, smoking status, and systolic blood pressure were significantly associated with CAC score ≥100 in the multivariable analysis. The odds of having CAC score ≥100 were higher for those in higher quintiles in all prediction models (p-values for trend across quintiles ＜0.0001 for all models). All prediction models showed fair and similar discriminative abilities to detect CAC score ≥100, with similar c-statistics (around 0.70). CONCLUSIONS: In a community-based sample of Japanese men free of CHD and stroke, CAC score ≥100 was significantly associated with higher estimated CHD risk by prediction models. This finding supports the potential utility of CAC as a biomarker for CHD in a general Japanese male population.

DOI： 10.5551/jat.42416

International Comparison of Abdominal Fat Distribution Among Four Populations: The ERA-JUMP Study.

Takashi Hisamatsu

Metabolic syndrome and related disorders 2018年5月

掲載種別：研究論文（学術雑誌）

BACKGROUND:Abdominal fat distribution varies across groups with different races or environments. Whether environmental factors, apart from racial differences, affect abdominal fat distribution is unknown. METHODS:We compared the abdominal fat distribution of four groups; different races with similar environments (Caucasians vs. Japanese Americans), different environments with an identical race (Japanese Americans vs. Japanese), and similar races with similar environments (Japanese vs. Koreans). A population-based sample of 1212 men aged 40-49 were analyzed: 307 Caucasians and 300 Japanese Americans in the United States, 310 Japanese in Japan, and 295 Koreans in Korea. We compared the proportion of visceral adipose tissue area to total abdominal adipose tissue area (VAT%) and other factors that can affect abdominal fat distribution (smoking, alcohol use, physical activity levels, and metabolic factors). RESULTS:VAT% was significantly higher in Japanese and Koreans than in Japanese Americans and Caucasians (50.0, 48.5, 43.2, 41.0%, respectively, P < 0.001). Even after adjustment for possible confounders, the significant VAT% difference remained in comparing groups with identical race but different environments (i.e., Japanese vs. Japanese Americans). In contrast, comparing groups with different races but similar environments (i.e., Caucasians vs. Japanese Americans), VAT% was not significantly different. Comparing groups with similar races and similar environments (i.e., Japanese vs. Koreans), VAT% did not significantly differ. CONCLUSIONS:Environmental differences, apart from racial differences, affect the difference in abdominal fat distribution across different groups in middle-aged men.

DOI： 10.1089/met.2017.0132

Data on alcohol consumption and coronary artery calcification among asymptomatic middle-aged men for the ERA-JUMP study. 査読

Takashi Hisamatsu

Data in brief 17 1091 - 1098 2018年2月

記述言語：英語掲載種別：研究論文（学術雑誌）

Data presented in this article are supplementary data to our primary article 'Association of Alcohol Consumption and Aortic Calcification in Healthy Men Aged 40-49 Years for the ERA JUMP Study' [1]. In this article, we have presented supplementary tables showing the independent association of alcohol consumption with coronary artery calcification using Tobit conditional regression and ordinal logistic regression.

DOI： 10.1016/j.dib.2018.02.032

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