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https://www.readbyqxmd.com/read/29168167/interdependent-feedback-regulation-of-breathing-by-the-carotid-bodies-and-the-retrotrapezoid-nucleus
#1
Patrice G Guyenet, Douglas A Bayliss, Ruth L Stornetta, Roy Kanbar, Yingtang Shi, Benjamin B Holloway, George M P R Souza, Tyler M Basting, Stephen B G Abbott, Ian C Wenker
The retrotrapezoid nucleus, RTN, regulates breathing in a CO2 and state-dependent manner. RTN neurons are glutamatergic and innervate principally the respiratory pattern generator; they regulate multiple aspects of breathing, including active expiration, and maintain breathing automaticity during non-REM sleep. RTN neurons encode arterial PCO2 /pH via cell-autonomous and paracrine mechanisms, and via input from other CO2 -responsive neurons. In short, RTN neurons are a pivotal structure for breathing automaticity and arterial PCO2 homeostasis...
November 22, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29164683/is-hypertension-the-fate-of-aortic-coarctation-patients-treated-with-cheatham-platinum-cp-stent
#2
Ali Baykan, Ayse G Demiraldi, Onur Tasci, Ozge Pamukcu, Suleyman Sunkak, Kazım Uzum, Sadettin Sezer, Nazmi Narin
AIM: The aim of this study is to address the presence of hypertension and risk for cardiovascular diseases in patients with Coarctation of the Aorta (CoA) who were treated with endovascular stent placement. METHODS: Twenty patients (mean age: 14.2 ± 3.9 years) who were treated with stent and 20 age- and sex-matched controls were included to the study. Structure and functions of left ventricle were assessed by echocardiography. Carotid intima media (CIM) thickness was measured by using sonography as a marker for detecting cardiovascular risk...
November 21, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/29164077/glucose-variability-for-cardiovascular-risk-factors-in-type-2-diabetes-a-meta-analysis
#3
REVIEW
Shuang Liang, Hang Yin, Chunxiang Wei, Linjun Xie, Hua He, Xiaoquan Liu
Aims: It is consensus that glucose variability (GV) plays an important role in maccomplications of type 2 diabetes, but whether GV has a causal role is not yet clear for cardiovascular disease (CVD). This study sought to explore the effect on GV for CVD risk factors with type 2 diabetes. Methods: The systematic literature search was performed to identify all GV and CVD risk factors, including total cholesterol (TC), LDL cholesterol (LDL-C), triglyceride (TG), HDL cholesterol (HDL-C), Body Mass Index (BMI), waist circumference (WC), High-Sensitivity C-reactive protein (Hs-CRP), Homeostasis model assessment (HOMA) and carotid intima-media thickness (IMT)...
2017: Journal of Diabetes and Metabolic Disorders
https://www.readbyqxmd.com/read/29163742/endovascular-treatment-of-spontaneous-intracranial-internal-carotid-dissection-in-a-young-patient-affected-by-systemic-lupus-erythematosus-a-case-report
#4
Sergio Racchiusa, Marcello Longo, Gianmarco Bernava, Antonio Pitrone, Rosario Papa, Francesca Granata, Giuseppe Centorrino, Sergio Lucio Vinci
Systemic lupus erythematosus (SLE) increases the risk of cerebrovascular events due to vascular changes, resulting in the weakening of the vessel walls. Moreover, patients with SLE have more incidence of arterial lesions such as dissections. Internal carotid dissection (ICA) is an infrequent cause of ischemic stroke, representing 2% of all ischemic events. We present a case of ischemic stroke, caused by a spontaneous dissection of intracranial ICA, treated with endovascular stent implantation, in a 22-year-old woman affected by SLE, newly diagnosed...
October 2017: Journal of Vascular and Interventional Neurology
https://www.readbyqxmd.com/read/29163214/predictive-value-of-dynamic-cerebral-autoregulation-assessment-in-surgical-management-of-patients-with-high-grade-carotid-artery-stenosis
#5
Vladimir B Semenyutin, Gregory A Asaturyan, Anna A Nikiforova, Vugar A Aliev, Grigory K Panuntsev, Vadim B Iblyaminov, Alexander V Savello, Andreas Patzak
Dynamic cerebral autoregulation (DCA) capacity along with the degree of internal carotid artery (ICA) stenosis and characteristics of the plaque can also play an important role in selection of appropriate treatment strategy. This study aims to classify the patients with severe ICA stenosis according to preoperative state of DCA and to assess its dynamics after surgery. Thirty-five patients with severe ICA stenosis having different clinical type of disease underwent reconstructive surgery. DCA was assessed with transfer function analysis (TFA) by calculating phase shift (PS) between Mayer waves of blood flow velocity (BFV) and blood pressure (BP) before and after operation...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29162370/lipid-discordance-and-carotid-plaque-in-obese-patients-in-primary-prevention
#6
Walter Masson, Daniel Siniawski, Martín Lobo, Graciela Molinero
INTRODUCTION: Obese patients with lipid discordance (non-HDL cholesterol levels 30mg/dL above the LDL-c value) may have a greater prevalence of carotid atherosclerotic plaque (CAP). Our study objectives were: 1) To assess the prevalence of lipid discordance in a primary prevention population of obese patients; 2) To investigate the association between lipid discordance and presence of CAP. METHODS: Obese subjects aged >18 years (BMI ≥30kg/m(2)) with no cardiovascular disease, diabetes, or lipid-lowering treatment from six cardiology centers were included...
November 18, 2017: Endocrinología, diabetes y nutrición
https://www.readbyqxmd.com/read/29160952/transit-time-mapping-in-the-mouse-brain-using-time-encoded-pcasl
#7
Lydiane Hirschler, Leon P Munting, Artem Khmelinskii, Wouter M Teeuwisse, Ernst Suidgeest, Jan M Warnking, Louise van der Weerd, Emmanuel L Barbier, Matthias J P van Osch
The cerebral blood flow (CBF) is a potential biomarker for neurological disease. However, the arterial transit time (ATT) of the labeled blood is known to potentially affect CBF quantification. Furthermore, ATT could be an interesting biomarker in itself, as it may reflect underlying macro- and microvascular pathologies. Currently, no optimized magnetic resonance imaging (MRI) sequence exists to measure ATT in mice. Recently, time-encoded labeling schemes have been implemented in rats and humans, enabling ATT mapping with higher signal-to-noise ratio (SNR) and shorter scan time than multi-delay arterial spin labeling (ASL)...
November 21, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/29159396/association-of-nonalcoholic-fatty-liver-disease-with-lower-brain-volume-in-healthy-middle-aged-adults-in-the-framingham-study
#8
Galit Weinstein, Shira Zelber-Sagi, Sarah R Preis, Alexa S Beiser, Charles DeCarli, Elizabeth K Speliotes, Claudia L Satizabal, Ramachandran S Vasan, Sudha Seshadri
Importance: Nonalcoholic fatty liver disease (NAFLD) is a common condition that is most often asymptomatic. It is associated with metabolic syndrome, incident diabetes, carotid atherosclerosis, and endothelial dysfunction, conditions that in turn are strongly linked with brain damage and cognitive impairment. However, it is not known whether NAFLD is associated with structural brain measures in humans. Objective: To assess the association between prevalent NAFLD and brain magnetic resonance imaging (MRI) measures...
November 20, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29159156/self-expandable-graft-stenting-in-an-iatrogenic-fistula-between-common-carotid-artery-and-internal-jugular-vein
#9
Sung Chul Jin, Dong Hyuk Lee, Chae Wook Huh
A 47-year-old woman with stage IV chronic kidney disease developed a fistula between common carotid artery (CCA) and internal jugular vein (IJV) during central catheterization of the right IJV. The patient was treated with a self-expandable graft stent, which achieved successful closure of the carotid-jugular fistula. As demonstrated in our case, self-expandable graft stents could be a feasible treatment option for CCA-IJV fistulas without additional interventional procedures such as balloon angioplasty.
September 2017: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/29158070/assessment-of-carotid-calcifications-on-digital-panoramic-radiographs-retrospective-analysis-and-review-of-the-literature
#10
Inês Alves Monteiro, Carlos Ibrahim, Rui Albuquerque, Neil Donaldson, Filomena Salazar, Luis Monteiro
OBJECTIVES: To assess the validity of digital panoramic radiographs as an effective means of diagnosis for atherosclerosis and as a potential aid in the early detection of the disease. STUDY DESIGN: We reviewed 2014 digital panoramic radiographs taken throughout 2012 and 2013 to identify the presence of calcified atherosclerotic plaques of both female and male patients all aged over 18 years. In addition the medical records of these patients were reviewed in order to establish if there were any predisposing risk factors for atherosclerosis...
November 17, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29156411/relationship-between-carotid-artery-sclerosis-and-blood-pressure-variability-in-essential-hypertension-patients
#11
Xianglin Chi, Min Li, Xia Zhan, Honghao Man, Shunliang Xu, Dingchang Zheng, Jianzhong Bi, Yingcui Wang, Chengyu Liu
OBJECTIVES: This study aimed to investigate the relationship between the presence of carotid arteriosclerosis (CAS) and blood pressure variability (BPV) in patients with essential hypertension. METHODS: One hundred and forty four essential hypertension patients underwent ambulatory BP monitoring for 24h after hospitalization. Common BPV metrics were calculated. General clinical parameters, including age, gender, height, weight, history of coronary heart disease, stroke, diabetes, hypertension, smoking and drink, were recorded...
March 18, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29154281/gradual-cerebral-hypoperfusion-impairs-fear-conditioning-and-object-recognition-learning-and-memory-in-mice-potential-roles-of-neurodegeneration-and-cholinergic-dysfunction
#12
Jogender Mehla, Sean Lacoursiere, Emily Stuart, Robert J McDonald, Majid H Mohajerani
In the present study, male C57BL/6J mice were subjected to gradual cerebral hypoperfusion by implanting an ameroid constrictor (AC) on the left common carotid artery (CCA) and a stenosis on the right CCA. In the sham group, all surgical procedures were kept the same except no AC was implanted and stenosis was not performed. One month following the surgical procedures, fear conditioning and object recognition tests were conducted to evaluate learning and memory functions and motor functions were assessed using a balance beam test...
November 14, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29153673/pregnancy-complications-and-later-vascular-ultrasound-measures-a-cohort-study
#13
Emily W Harville, Markus Juonala, Jorma S A Viikari, Mika Kähönen, Olli T Raitakari
OBJECTIVES: Pregnancy complications predict or even predispose to later cardiovascular disease in the mother. We examined whether pregnancy complications are associated with post-pregnancy measures of endothelial dysfunction and arterial stiffness. STUDY DESIGN: Prospective cohort; Data for 847 women female participants in the Cardiovascular Risk in Young Finns study were linked with the national birth registry. Preterm birth (<37weeks), low birthweight (<2500g), small-for-gestational-age (weight <10th percentile for gestational age), and hypertensive disorders of pregnancy were examined as predictors of later vascular measures...
October 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29153397/embolic-stroke-due-to-carotidynia-potentially-associated-with-moving-carotid-artery-caused-by-swallowing
#14
Yoshitaka Yamaguchi, Mikito Hayakawa, Naoto Kinoshita, Chiaki Yokota, Toshiya Ishihara, Kazunori Toyoda
A 63-year-old woman with end-stage renal disease on maintenance hemodialysis discontinued her medication for rheumatoid arthritis with prednisolone and azathioprine. One month later, she was admitted because of consciousness disturbance and right hemiparesis. Diffusion-weighted brain magnetic resonance imaging (MRI) revealed multiple hyperintensities in her left frontal and parietal lobes. She also developed high fever and left neck pain. Carotid ultrasonography showed calcified plaque with vessel wall swelling at the bifurcation of the left common carotid artery (LCCA) and surrounding hypoechoic soft tissue...
November 15, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29152651/age%C3%A2-related-differences-in-serum-mfg%C3%A2-e8-tgf%C3%A2-%C3%AE-1-and-correlation-to-the-severity-of-atherosclerosis-determined-by-ultrasound
#15
Huiying Zhao, Huanhuan Zhang, Xiujiao Qin
Atherosclerosis (AS) is an age‑related inflammatory disease. Globule‑epidermal growth factor‑8 (MFG‑E8) and transforming growth factor-β1 (TGF‑β1) are involved in the pathogenesis of AS. However, age‑related changes in circulating levels of MFG‑E8 and TGF‑β1, and their correlation with the severity of AS is not well‑characterized. In this study, we investigated age‑related changes in serum levels of MFG‑E8, TGF‑β1 and examined their association with the severity of AS. Sixty healthy volunteers were divided into young, middle‑age and old‑age groups...
October 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29151492/determinants-of-the-change-in-arterial-stiffness-in-peritoneal-dialysis-patients
#16
Mitsutaka Nakahigashi, Hiroyasu Tsukaguchi, Satoshi Morimoto, Chikara Nakano, Hiroko Ueda, Kazunori Someya, Makiko Kusabe, Sanae Kikuchi, Takanobu Imada, Ichiro Shiojima
Arterial stiffness is an important risk factor for cardiovascular disease (CVD) in patients with end-stage renal failure. However, little is known about the factors that contribute to arterial rigidity in peritoneal dialysis (PD) patients. The aim of this study was to define the pattern and determinants of the longitudinal change in arterial stiffness after PD initiation.Arterial stiffening was estimated for 46 PD patients by using brachial-ankle pulse wave velocity (baPWV) and carotid intima-media thickness (cIMT)...
November 17, 2017: International Heart Journal
https://www.readbyqxmd.com/read/29151033/induction-of-dendritic-cell-mediated-activation-of-t-cells-from-atherosclerotic-plaques-by-human-heat-shock-protein-60
#17
Mizanur Rahman, Johnny Steuer, Peter Gillgren, Assim Hayderi, Anquan Liu, Johan Frostegård
BACKGROUND: Atherosclerosis is characterized by the presence of activated immune-competent cells including dendritic cells (DCs) and T cells, dead cells, and oxidized low-density lipoprotein. HSP60 (Heat shock protein 60) has been implicated in atherosclerosis. A plasma protein, Annexin A5, has atheroprotective properties. METHODS AND RESULTS: Human DCs differentiated from peripheral blood monocytes were treated with human HSP60 or HSP90 and autologous T cells were cocultured with these pretreated DCs (mDCs)...
November 18, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29151018/study-of-the-nlrp3-inflammasome-component-genes-and-downstream-cytokines-in-patients-with-type-2-diabetes-mellitus-with-carotid-atherosclerosis
#18
Junli Lee, Jing Wan, Linyun Lee, Changhua Peng, Hailong Xie, Chengbin Lee
BACKGROUND: A role for the NLRP3 inflammasome has been reported in various diseases, such as diabetes mellitus, atherosclerosis (AS), nephropathy, rheumatism, and others, although limited information is available concerning the role of the NLRP3 inflammasome, interleukin-1β (IL-1β) and interleukin-18 (IL-18) in patients with type 2 diabetes mellitus (T2DM) and carotid atherosclerosis (CAS). Therefore, this cross-sectional study investigated these inflammatory components in patients with T2DM complicated with carotid atherosclerosis (T2DM + CAS)...
November 18, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29150407/disease-trends-over-time-and-cd4-ccr5-t-cells-expansion-predict-carotid-atherosclerosis-development-in-patients-with-systemic-lupus-erythematosus
#19
A Baragetti, G A Ramirez, M Magnoni, K Garlaschelli, L Grigore, M Berteotti, I Scotti, E Bozzolo, A Berti, P G Camici, A L Catapano, A A Manfredi, E Ammirati, G D Norata
BACKGROUND AND AIM: Patients with Systemic Lupus Erythematosus (SLE) present increased cardiovascular mortality compared to the general population. Few studies have assessed the long-term development and progression of carotid atherosclerotic plaque in SLE patients. Our aim was to investigate the association of clinical and laboratory markers of disease activity and classical cardiovascular risk factors (CVRF) with carotid atherosclerosis development in SLE patients in a prospective 5-year study...
September 18, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/29150207/carotid-and-femoral-atherosclerosis-in-antiphospholipid-syndrome-equivalent-risk-with-diabetes-mellitus-in-a-case-control-study
#20
Evrydiki Kravvariti, George Konstantonis, Nikolas Tentolouris, Petros P Sfikakis, Maria G Tektonidou
BACKGROUND: Antiphospholipid syndrome (APS) may carry a worse prognosis for vascular complications when co-existing with subclinical atherosclerosis; however, the association between the two conditions remains ambiguous. METHODS: We evaluated ultrasonographic markers of subclinical atherosclerosis in carotid and femoral arteries of 86 patients with thrombotic APS [43 primary APS (PAPS), 43 systemic lupus erythematosus-associated APS (SLE/APS)], 86 patients with diabetes mellitus (DM) and 86 healthy controls, individually matched for age and gender, and investigated their associations with traditional and disease-related factors in APS...
October 23, 2017: Seminars in Arthritis and Rheumatism
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