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Journal of Atherosclerosis and Thrombosis

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https://www.readbyqxmd.com/read/28331159/the-effect-of-nitroglycerin-on-arterial-stiffness-of-the-aorta-and-the-femoral-tibial-arteries
#1
Tomoyuki Yamamoto, Kazuhiro Shimizu, Mao Takahashi, Ichiro Tatsuno, Kohji Shirai
AIM: The effect of nitroglycerin on proper arterial stiffness of the arterial tree has not been fully clarified. The cardio-ankle vascular index (CAVI), which is an application of the stiffness parameter β theory on the arterial tree from the origin of the aorta to the ankle, was developed recently. Furthermore, the stiffness of the aorta (heart-thigh β (htBeta)) and of the femoral-tibial arteries (thigh to ankle β (taBeta)) could be monitored by applying the same theory. The effects of nitroglycerin on CAVI, htBeta, and taBeta were studied comparing the values of healthy people and those of arteriosclerotic patients...
March 22, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28331158/low-serum-levels-of-epa-are-associated-with-the-size-and-growth-rate-of-abdominal-aortic-aneurysm
#2
Tatsuro Aikawa, Tetsuro Miyazaki, Kazunori Shimada, Yurina Sugita, Megumi Shimizu, Shohei Ouchi, Tomoyasu Kadoguchi, Yasutaka Yokoyama, Tomoyuki Shiozawa, Masaru Hiki, Shuhei Takahashi, Hamad Al Shahi, Shizuyuki Dohi, Atsushi Amano, Hiroyuki Daida
AIM: Omega-3 polyunsaturated fatty acids (PUFAs) such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) have been reported to reduce the risk of cardiovascular disease. However, whether omega-3 PUFAs are involved in the pathogenesis of abdominal aortic aneurysms (AAA) remains unclear. METHODS: We analyzed 67 consecutive patients admitted for the elective surgical repair of AAA. We investigated the association of serum EPA and DHA levels as well as the EPA/AA ratio with the size of AAA assessed using three-dimensional reconstructed computed tomography images...
March 22, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28321015/association-between-retinal-vascular-changes-and-disabling-dementia
#3
Isao Saito
No abstract text is available yet for this article.
March 17, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28321014/homogeneous-assays-for-ldl-c-and-hdl-c-are-reliable-in-both-the-postprandial-and-fasting-state
#4
Takashi Miida, Kunihiro Nishimura, Satoshi Hirayama, Yoshihiro Miyamoto, Masakazu Nakamura, Daisaku Masuda, Shizuya Yamashita, Masaji Ushiyama, Toshiaki Komori, Naohisa Fujita, Shinji Yokoyama, Tamio Teramoto
AIM: Most epidemiological and clinical studies calculated low-density lipoprotein-cholesterol (LDL-C) by Friedewald's formula which cannot be used in the postprandial samples. Although the homogeneous assays with poor analytical performance were withdrawn from the market, it remained unclear whether the currently available reagents for LDL-C and high-density lipoprotein-cholesterol (HDL-C) are as accurate for postprandial samples as for fasting samples. METHODS: Fresh blood samples were collected from 59 non-diseased and 109 diseased subjects...
March 17, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28321013/cystatin-c-adiponectin-complex-in-plasma-associates-with-coronary-plaque-instability
#5
Akane Matsumoto, Hiroyasu Yamamoto, Tetsuro Matsuoka, Kento Kayama, Sumire Onishi, Natsumi Matsuo, Shinji Kihara
AIM: Adiponectin (APN) is an adipocyte-derived bioactive molecule with antiatherogenic properties. We previously reported that cystatin C (CysC) abolished the anti-atherogenic effects of APN. We aimed to elucidate the clinical significance of CysC-APN complex in patients with coronary artery disease (CAD). METHODS: We enrolled 43 stable CAD male patients to examine the relationship between CysC-APN complex and coronary plaque characteristics. Serum was immunoprecipitated by the anti-APN antibody and immunoblotted by the anti-CysC antibody to demonstrate the presence of CysC-APN complexes in vivo...
March 17, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28321012/impact-of-lipoprotein-a-on-long-term-outcomes-in-patients-with-coronary-artery-disease-treated-with-statin-after-a-first-percutaneous-coronary-intervention
#6
Satoru Suwa, Manabu Ogita, Katsumi Miyauchi, Taketo Sonoda, Hirokazu Konishi, Shuta Tsuboi, Hideki Wada, Ryo Naito, Tomotaka Dohi, Takatoshi Kasai, Shinya Okazaki, Kikuo Isoda, Hiroyuki Daida
AIMS: Cardiovascular risk persists despite intensive lipid lowering therapy using statins. Serum levels of lipoprotein (a) [Lp(a)] can be a residual cardiovascular risk for adverse events. Aim of the present study was to evaluate the impact of Lp(a) on long-term clinical outcomes in patients treated with statin after percutaneous coronary intervention. METHODS: We prospectively enrolled 3507 consecutive CAD patients who underwent a first percutaneous coronary intervention (PCI) between 1997 and 2011 at our institution...
March 17, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28321011/vehicle-dependent-effects-of-sphingosine-1-phosphate-on-plasminogen-activator-inhibitor-1-expression
#7
Chiharu Takahashi, Makoto Kurano, Masako Nishikawa, Kuniyuki Kano, Tomotaka Dohi, Katsumi Miyauchi, Hiroyuki Daida, Tomo Shimizu, Junken Aoki, Yutaka Yatomi
AIM: Sphingosine 1-phosphate (S1P) has been suggested to be a positive regulator of plasminogen activator inhibitor 1 (PAI-1) in adipocytes, while some studies are not consistent with this prothrombotic property of S1P. Since S1P is bound to apolipoprotein M (apoM) on HDL or to albumin in plasma, we compared the properties of these two forms on the PAI-1 induction. METHODS: We investigated the associations of S1P, apoM, and PAI-1 concentrations in the plasma of normal coronary artery (NCA), stable angina pectoris (SAP), and acute coronary syndrome (ACS) subjects (n=32, 71, and 38, respectively)...
March 17, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28302950/pcsk9-and-atherosclerosis-lipids-and-beyond
#8
Michael D Shapiro, Sergio Fazio
Even though it is only a little over a decade from the discovery of proprotein convertase subtilisin/kexin type 9 (PCSK9) as a plasma protein that associates with both high and low cholesterol syndromes, a rich body of knowledge has developed, and drugs inhibiting this target have been approved in many markets. While the majority of research in recent years has focused on the impact of therapeutic antagonism of this molecule, important lines of investigation have emerged characterizing its unique physiology as it relates to cholesterol metabolism and atherosclerosis...
March 9, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28302952/reduction-in-high-sensitivity-c-reactive-protein-levels-in-patients-with-ischemic-stroke-by-statin-treatment-hs-crp-sub-study-in-j-stars
#9
Kazuo Kitagawa, Naohisa Hosomi, Yoji Nagai, Tatsuo Kagimura, Toshiho Ohtsuki, Hideki Origasa, Kazuo Minematsu, Shinichiro Uchiyama, Masakazu Nakamura, Masayasu Matsumoto
AIMS: The pleiotropic effects of statins on recurrent stroke remain unclear. We investigated the effects of pravastatin on high-sensitivity C-reactive proteins (Hs-CRP) in ischemic stroke, and explored the impact of Hs-CRP on recurrent stroke and vascular events. METHODS: This randomized open-label trial was ancillary to the J-STARS trial. One thousand and ninety-five patients with non-cardiogenic ischemic stroke were assigned to the pravastatin (n=545) or control groups (n=550)...
March 7, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28260724/role-of-nlrp3-inflammasomes-in-atherosclerosis
#10
Tadayoshi Karasawa, Masafumi Takahashi
Inflammation with macrophage infiltration is a key feature of atherosclerosis. Although the mechanisms had been unclear, emerging evidence unveiled that NLRP3 inflammasomes, which regulate caspase-1 activation and subsequent processing of pro-IL-1β, trigger vascular wall inflammatory responses and lead to progression of atherosclerosis. NLRP3 inflammasomes are activated by various danger signals, such as cholesterol crystals, calcium phosphate crystals, and oxidized low-density lipoprotein in macrophages, to initiate inflammatory responses in the atherosclerotic lesion...
March 4, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28260723/evidence-based-carotid-interventions-for-stroke-prevention-state-of-the-art-review
#11
Dylan R Morris, Kengo Ayabe, Takashi Inoue, Nobuyuki Sakai, Richard Bulbulia, Alison Halliday, Shinya Goto
Carotid artery stenosis is responsible for between 10-20% of all ischaemic strokes. Interventions, such as carotid endarterectomy and carotid stenting, effectively reduce the risk of stroke in selected individuals. This review describes the history of carotid interventions, and summarises reliable evidence on the safety and efficacy of these interventions gained from large randomised clinical trials.Early trials comparing carotid endarterectomy to medical therapy alone in symptomatic patients, and asymptomatic patients, demonstrated that endarterectomy halved the risk of stroke and perioperative death in these two unique populations...
March 4, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28250352/frequency-of-achilles-tendon-xanthoma-in-patients-with-acute-coronary-syndrome
#12
Taro Harada, Kyoko Inagaki-Tanimura, Mototsugu Nagao, Yuki Sato, Mariko Sudo, Fumitaka Okajima, Hitoshi Sugihara, Shinichi Oikawa
AIM: We studied the frequency of Achilles tendon xanthoma (ATX) in patients with acute coronary syndrome (ACS). Furthermore, we investigated the differences in clinical findings between ACS patients with and without ATX. METHODS: Patients with ACS (n=335) were admitted to the coronary care unit of Nippon Medical School between July 2011 and December 2014. Informed consent for the measurement of Achilles tendon thickness (ATT) on a radiograph was obtained from 228 patients without tendon rupture...
March 2, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28250266/clinical-perspectives-of-genetic-analyses-on-dyslipidemia-and-coronary-artery-disease
#13
Hayato Tada, Masa-Aki Kawashiri, Masakazu Yamagishi
We have learned that low-density lipoprotein (LDL) cholesterol is the cause of atherosclerosis from various aspects, including a single case with familial hypercholesterolemia, other cases with different types of Mendelian dyslipidemias, large-scale randomized controlled trials using LDL cholesterol lowering therapies, and Mendelian randomization studies using common as well as rare variants associated with LDL cholesterol levels. There is no doubt that determinations of genotypes in lipid-associated genes have contributed not only to the genetic diagnosis for Mendelian dyslipidemias but also to the discoveries of novel therapeutic targets...
February 28, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28239070/lipid-lowering-therapy-to-modify-plaque-microstructures
#14
Yu Kataoka, Jordan Andrews, Rishi Puri, Peter Psaltis, Stephen J Nicholls
Due to the pandemics of obesity and diabetes mellitus, especially in the Western countries, atherosclerotic cardiovascular disease (ASCVD) has become a major health burden and is expected to increase in the future. Modifying lipid targets, especially low-density lipoprotein cholesterol (LDL-C) level, has become the first-line therapy for primary and secondary prevention of ASCVD. Intravascular imaging modalities have contributed to elucidating clinical efficacy of lipid lowering therapy on atherosclerotic plaques...
February 24, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28239069/a-first-in-class-drug-lomitapide-tailored-to-patients-with-homozygous-familial-hypercholesterolemia-is-just-about-meeting-with-good-news-to-them
#15
Hiroshi Yoshida
No abstract text is available yet for this article.
February 24, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28202840/soluble-vascular-cell-adhesion-molecules-may-be-protective-of-future-cardiovascular-disease-risk-findings-from-the-prevend-prospective-cohort-study
#16
Setor K Kunutsor, Stephan J L Bakker, Robin P F Dullaart
AIM: Soluble cell adhesion molecules, such as vascular cell adhesion molecule-1 (VCAM-1), intercellular adhesion molecule-1, E-selectin, and P-selectin, have been suggested to be associated with cardiovascular disease (CVD) risk; however, the nature and magnitude of the association between VCAM-1 and CVD risk is uncertain. We aimed to assess the association of VCAM-1 with CVD risk and determine its potential utility for CVD risk prediction. METHODS: VCAM-1 concentrations were measured at baseline in the PREVEND prospective study of 2,638 participants...
February 16, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28202852/association-of-serum-uric-acid-levels-with-leg-ischemia-in-patients-with-peripheral-arterial-disease-after-treatment
#17
Yoko Sotoda, Shigeki Hirooka, Hiroyuki Orita, Ichiro Wakabayashi
AIM: We investigated the relationships of serum uric acid levels with the progression of atherosclerosis in patients with peripheral arterial disease (PAD) after treatment. METHODS: Subjects were male patients diagnosed with PAD. Atherosclerosis at the common carotid artery was evaluated based on its intima-media thickness (IMT). Leg arterial flow was evaluated by measuring ankle-brachial index (ABI) and exercise-induced decrease in ABI. RESULTS: Among various risk factors including age, blood pressure, adiposity, estimated glomerular filtration rate, and blood lipid, blood glucose, uric acid, fibrinogen and C-reactive protein levels, only uric acid levels showed significant correlations with ABI [Pearson's correlation coefficient, -0...
February 15, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28179607/half-a-century-tales-of-familial-hypercholesterolemia-fh-in-japan
#18
Hiroshi Mabuchi
Familial hypercholesterolemia (FH) is a disease characterized by a triad: elevated low-density lipoprotein (LDL) cholesterol, tendon xanthomas, and premature coronary heart disease. Thus, it can be considered as a model disease for hypercholesterolemia and atherosclerotic cardiovascular disease (ASCVD). For the diagnosis of hetero-FH, the detection of Achilles tendon xanthomas by palpation or on X-ray is an indispensable diagnostic skill in clinical lipidology. To prevent the under-diagnosis and under-treatment of FH, the diagnostic criteria should be more convenient and user-friendly...
February 8, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28179606/carotid-plaque-score-and-risk-of-cardiovascular-mortality-in-the-oldest-old-results-from-the-tooth-study
#19
Takumi Hirata, Yasumichi Arai, Michiyo Takayama, Yukiko Abe, Kiyoshi Ohkuma, Toru Takebayashi
AIM: Accumulating evidence suggests that predictability of traditional cardiovascular risk factors declines with advancing age. We investigated whether carotid plaque scores (CPSs) were associated with cardiovascular disease (CVD) death in the oldest old, and whether asymmetrical dimethylarginine (ADMA), a marker of endothelial dysfunction, moderated the association between the CPS and CVD death. METHODS: We conducted a prospective cohort study of Japanese subjects aged ≥85 years without CVD at baseline...
February 8, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28154305/efficacy-and-safety-of-lomitapide-in-japanese-patients-with-homozygous-familial-hypercholesterolemia
#20
Mariko Harada-Shiba, Katsunori Ikewaki, Atsushi Nohara, Yoshihiko Otsubo, Koji Yanagi, Masayuki Yoshida, Qing Chang, Pamela Foulds
AIM: There is an unmet need in Japan for more optimal lipid-lowering therapy (LLT) for patients with homozygous familial hypercholesterolemia (HoFH) who respond inadequately to available drug therapies and/or apheresis, to achieve goals of low-density lipoprotein cholesterol (LDL-C) reduction by 50% or to <100 mg/dL. METHODS: In this study, Japanese patients with HoFH on stable LLT and diet were treated with lomitapide, initiated at 5 mg/day and escalated to maximum tolerated dose (up to 60 mg/day) over 14 weeks...
February 2, 2017: Journal of Atherosclerosis and Thrombosis
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