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https://www.readbyqxmd.com/read/28211486/motor-phenotype-is-not-associated-with-vascular-dysfunction-in-symptomatic-huntington-s-disease-transgenic-r6-2-160-cag-mice
#1
A Di Pardo, A Carrizzo, A Damato, S Castaldo, E Amico, L Capocci, M Ambrosio, F Pompeo, C De Sanctis, C C Spinelli, A A Puca, P Remondelli, V Maglione, C Vecchione
Whereas Huntington's disease (HD) is unequivocally a neurological disorder, a critical mass of emerging studies highlights the occurrence of peripheral pathology like cardiovascular defects in both animal models and humans. The overt impairment in cardiac function is normally expected to be associated with peripheral vascular dysfunction, however whether this assumption is reasonable or not in HD is still unknown. In this study we functionally characterized the vascular system in R6/2 mouse model (line 160 CAG), which recapitulates several features of human pathology including cardiac disease...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28210939/deep-phenotyping-of-systemic-arterial-hemodynamics-in-hfpef-part-1-physiologic-and-technical-considerations
#2
REVIEW
Julio A Chirinos
A better understanding of the pathophysiology of heart failure with a preserved left ventricular ejection fraction (HFpEF) is important. Detailed phenotyping of pulsatile hemodynamics has provided important insights into the pathophysiology of left ventricular remodeling and fibrosis, diastolic dysfunction, microvascular disease, and impaired oxygen delivery to peripheral skeletal muscle, all of which contribute to exercise intolerance, the cardinal feature of HFpEF. Furthermore, arterial pulsatile hemodynamic mechanisms likely contribute to the frequent presence of comorbidities, such as renal failure and dementia, in this population...
February 16, 2017: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/28209728/evaluation-of-cell-therapy-on-exercise-performance-and-limb-perfusion-in-peripheral-artery-disease-the-cctrn-patients-with-intermittent-claudication-injected-with-aldh-bright-cells-pace-trial
#3
Emerson C Perin, Michael P Murphy, Keith L March, Roberto Bolli, John Loughran, Phillip C Yang, Nicholas J Leeper, Ronald L Dalman, Jason Q Alexander, Timothy D Henry, Jay H Traverse, Carl J Pepine, R David Anderson, Scott Berceli, James T Willerson, Raja Muthupillai, Amir A Gahremanpour, Ganesh Raveendran, Omaida C Velazquez, Joshua M Hare, Ivonne H Schulman, Vijaykumar S Kasi, William R Hiatt, Bharath Ambale-Venkatesh, João A Lima, Doris A Taylor, Micheline M Resende, Adrian P Gee, April G Durett, Jeannette Bloom, Sara Richman, Patricia G'Sell, Shari Williams, Fouzia Khan, Elsie G Ross, Michelle R Santoso, JoAnne Goldman, Dana Leach, Eileen Handberg, Benjamin Y C Cheong, Nichole A Piece, Darcy DiFede, Barb Bruhn-Ding, Emily Caldwell, Judy Bettencourt, Dejian Lai, Linda B Piller, Lara M Simpson, Michelle Cohen, Shelly L Sayre, Rachel W Vojvodic, Lem Moyé, Ray F Ebert, Robert D Simari, Alan T Hirsch
Background -Atherosclerotic peripheral artery disease (PAD) affects 8-12% of Americans over 65 and is associated with a major decline in functional status, increased myocardial infarction and stroke rates, and increased risk of ischemic amputation. Current treatment strategies for claudication have limitations. PACE is an NHLBI-sponsored, randomized, double-blind, placebo-controlled phase 2, exploratory clinical trial designed to assess safety and efficacy of autologous bone marrow-derived aldehyde dehydrogenase bright (ALDHbr) cells in PAD patients and to explore associated claudication physiologic mechanisms...
February 16, 2017: Circulation
https://www.readbyqxmd.com/read/28209385/a-comparison-of-the-pro-angiogenic-potential-of-human-induced-pluripotent-stem-cell-derived-endothelial-cells-and-induced-endothelial-cells-in-a-murine-model-of-peripheral-arterial-disease
#4
Zoe E Clayton, Gloria S C Yuen, Sara Sadeghipour, Jack D Hywood, Jack W T Wong, Ngan F Huang, Martin K C Ng, John P Cooke, Sanjay Patel
BACKGROUND: Endothelial cells derived from human induced pluripotent stem cells (iPSC-ECs) promote angiogenesis, and more recently induced endothelial cells (iECs) have been generated via fibroblast trans-differentiation. These cell types have potential as treatments for peripheral arterial disease (PAD). However, it is unknown whether different reprogramming methods produce cells that are equivalent in terms of their pro-angiogenic capabilities. OBJECTIVES: We aimed to directly compare iPSC-ECs and iECs in an animal model of PAD, in order to identify which cell type, if any, displays superior therapeutic potential...
January 31, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28208552/re-the-survival-benefit-of-kidney-transplantation-in-the-setting-of-combined-peripheral-arterial-disease-and-end-stage-renal-failure
#5
David A Goldfarb
No abstract text is available yet for this article.
March 2017: Journal of Urology
https://www.readbyqxmd.com/read/28206937/percutaneous-treatment-of-superficial-femoral-artery-stenosis-secondary-to-radiation-arteritis
#6
Hao D Pham, Melissa G Prather, Daniel S Rush
Radiation arteritis is a rare cause of lower extremity peripheral arterial occlusive disease, and has been traditionally treated with open interventions. There have been only a few reported cases of endovascular interventions for this disease. Previous reports described endovascular treatment in the iliac and common femoral regions, but intervention in the superficial femoral artery have not been described. Described here is a case of acute lower extremity ischemia caused by remote radiation arteritis of the superficial femoral artery, which was successfully treated by percutaneous endovascular technique...
November 1, 2016: American Surgeon
https://www.readbyqxmd.com/read/28205274/genetic-variants-rs1994016-and-rs3825807-in-adamts7-affect-its-mrna-expression-in-atherosclerotic-occlusive-peripheral-arterial-disease
#7
Burcu Bayoglu, Caner Arslan, Cigdem Tel, Turgut Ulutin, Ahmet Dirican, Serkan Burc Deser, Mujgan Cengiz
AIM: Peripheral artery disease (PAD) is a vascular disease affecting peripheral circulation. Recently, genome-wide association studies revealed a relationship between single nucleotide polymorphisms (SNPs) in ADAMTS7 (a disintegrin and metalloprotease with thrombospondin motif 7) and atherosclerosis. In this study, we aimed to determine ADAMTS7 expression in peripheral blood mononuclear cells (PBMCs) and the frequency of ADAMTS7 rs1994016 and rs3825807 polymorphisms in a sample of Turkish patients with PAD, and to evaluate the association of matrix metalloproteinase (MMP) levels with PAD development...
February 15, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28205152/explaining-racial-disparities-in-amputation-rates-for-the-treatment-of-peripheral-artery-disease-pad-using-decomposition-methods
#8
J A Mustapha, Bryan T Fisher, John A Rizzo, Jie Chen, Brad J Martinsen, Harry Kotlarz, Michael Ryan, Candace Gunnarsson
INTRODUCTION: While studies have documented racial and ethnic disparities in amputation rates for patients with peripheral artery disease (PAD), the importance of specific factors has not been quantified. This research seeks to provide such evidence and to quantify how much of the difference reflects observable versus unexplained factors. METHODS: This study used the nationally representative HCUP inpatient database from 2006 to 2013 for patients with a primary diagnosis of PAD who were either Caucasian, African-American, or Hispanic...
February 15, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28202852/association-of-serum-uric-acid-levels-with-leg-ischemia-in-patients-with-peripheral-arterial-disease-after-treatment
#9
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/28197286/pulse-pressure-and-upstroke-time-are-useful-parameters-for-the-diagnosis-of-peripheral-artery-disease-in-patients-with-normal-ankle-brachial-index
#10
Shunsuke Kiuchi, Shinji Hisatake, Ippei Watanabe, Mikihito Toda, Takayuki Kabuki, Takashi Oka, Shintaro Dobashi, Takanori Ikeda
BACKGROUND: Some peripheral artery disease (PAD) patients have normal ankle brachial index (ABI) (0.9 - 1.4), although ABI is a useful parameter for the diagnosis of PAD. We investigated whether other parameters of ABI report sheet are useful to detect these patients. METHODS: We initially enrolled 3,912 patients (7,824 limbs) who underwent ABI for the first time. Subjects who have normal ABI were divided into the PAD group (n = 136) and the non-PAD group (n = 240) by lower extremity ultrasonography...
October 2016: Cardiology Research
https://www.readbyqxmd.com/read/28196265/association-of-coronary-artery-calcium-in-adults-aged-32-to-46-years-with-incident-coronary-heart-disease-and-death
#11
John Jeffrey Carr, David R Jacobs, James G Terry, Christina M Shay, Stephen Sidney, Kiang Liu, Pamela J Schreiner, Cora E Lewis, James M Shikany, Jared P Reis, David C Goff
Importance: Coronary artery calcium (CAC) is associated with coronary heart disease (CHD) and cardiovascular disease (CVD); however, prognostic data on CAC are limited in younger adults. Objective: To determine if CAC in adults aged 32 to 46 years is associated with incident clinical CHD, CVD, and all-cause mortality during 12.5 years of follow-up. Design, Setting, and Participants: The Coronary Artery Risk Development in Young Adults (CARDIA) Study is a prospective community-based study that recruited 5115 black and white participants aged 18 to 30 years from March 25, 1985, to June 7, 1986...
February 8, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28194903/vitamin-k-antagonist-therapy-is-a-risk-factor-for-ulcer-development-and-death-among-dialyzed-patients
#12
Andreana De Mauri, Massimo Torreggiani, Marco Brambilla, Doriana Chiarinotti
Peripheral artery disease is a common complication among dialyzed patients. Since Vitamin K antagonists promote metastatic calcifications and these are the main determinants of vascular damage, we investigated their role in the development of lower limb ulcers in dialyzed patients. We retrospectively enrolled 316 dialyzed patients, aged 68 ± 15 years, 65% male, 32% diabetic, 43% with ischemic heart disease and followed them for 36 ± 25 months. 60 patients assumed Vitamin K antagonists: they were older, with a higher prevalence of heart disease, at greater risk of death and they developed more ulcers and underwent more lower limb amputations compared to the rest of our cohort...
February 14, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/28194409/a-variant-in-cox-2-gene-is-associated-with-left-main-coronary-artery-disease-and-clinical-outcomes-of-coronary-artery-bypass-grafting
#13
Hanning Liu, Zhengxi Xu, Cheng Sun, Dachuan Gu, Xiao Teng, Yan Zhao, Zhe Zheng
As a particular severe phenotype of coronary artery disease (CAD), left main coronary artery disease (LMCAD) is heritable. Genetic variants related to prostaglandin metabolism are associated with LMCAD. Cyclooxygenase-2 (COX-2), a key synthase in prostaglandin pathways, displays high density in atherosclerotic lesions and promotes early atherosclerosis in CAD progression. We hypothesized that genetic variants in COX-2 gene contribute to LMCAD phenotype susceptibility compared to more peripheral coronary artery disease (MPCAD)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28194400/eating-the-dead-to-keep-atherosclerosis-at-bay
#14
REVIEW
Megan L Brophy, Yunzhou Dong, Hao Wu, H N Ashiqur Rahman, Kai Song, Hong Chen
Atherosclerosis is the primary cause of coronary heart disease (CHD), ischemic stroke, and peripheral arterial disease. Despite effective lipid-lowering therapies and prevention programs, atherosclerosis is still the leading cause of mortality in the United States. Moreover, the prevalence of CHD in developing countries worldwide is rapidly increasing at a rate expected to overtake those of cancer and diabetes. Prominent risk factors include the hardening of arteries and high levels of cholesterol, which lead to the initiation and progression of atherosclerosis...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28190859/renal-artery-stenosis-following-nilotinib-administration-in-a-patient-with-chronic-myelogenous-leukemia
#15
Mayumi Hatsuse, Yuka Daikoku, Yuta Tamoto, Masahiro Uehara, Takashi Kitani, Keiichi Tamagaki, Shin-Ichi Fuchida, Akira Okano, Satoshi Murakami, Chihiro Shimazaki
A 63-year-old male was diagnosed as having chronic phase CML in 2001. He obtained a major molecular response with imatinib (IM). In 2012, amulodipin was started for hypertension. In January 2013, IM was switched to nilotinib (NIL) in a clinical trial, and in February 2015, NIL was discontinued because MR(4.5) had been maintained for two years. One month later, he was admitted to our hospital because of headache and high blood pressure (194/108 mmHg). His urine test showed protein 3+ and occult blood 2+. His eGFR rapidly deteriorated from 45...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28190719/feasibility-and-pilot-efficacy-of-a-brief-smoking-cessation-intervention-delivered-by-vascular-surgeons-in-the-vascular-physician-offer-and-report-vapor-trial
#16
Philip P Goodney, Emily L Spangler, Karina Newhall, Benjamin S Brooke, Andres Schanzer, Tze-Woei Tan, Adam W Beck, John H Hallett, Todd A MacKenzie, Maria O Edelen, Andrew W Hoel, Nancy A Rigotti, Alik Farber
BACKGROUND: This study determined the feasibility and potential efficacy of an evidence-based standardized smoking cessation intervention delivered by vascular surgeons to smokers with peripheral arterial disease. METHODS: We performed a cluster-randomized trial of current adult smokers referred to eight vascular surgery practices from September 1, 2014, to July 31, 2015. A three-component smoking cessation intervention (physician advice, nicotine replacement therapy, and telephone-based quitline referral) was compared with usual care...
February 9, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28190717/perioperative-outcomes-of-infrainguinal-bypass-surgery-in-patients-with-and-without-prior-revascularization
#17
Thomas C F Bodewes, Klaas H J Ultee, Peter A Soden, Sara L Zettervall, Katie E Shean, Douglas W Jones, Frans L Moll, Marc L Schermerhorn
OBJECTIVE: Although an increasing number of patients with peripheral arterial disease undergo multiple revascularization procedures, the effect of prior interventions on outcomes remains unclear. The purpose of this study was to evaluate perioperative outcomes of bypass surgery in patients with and those without prior ipsilateral treatment. METHODS: Patients undergoing nonemergent infrainguinal bypass between 2011 and 2014 were identified in the National Surgical Quality Improvement Program Targeted Vascular module...
February 9, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28190713/transient-atrial-fibrillation-after-open-abdominal-aortic-revascularization-surgery-is-associated-with-increased-length-of-stay-mortality-and-readmission-rates
#18
Barbara A Blanco, Anai N Kothari, Pegge M Halandras, Robert H Blackwell, Dawn M Graunke, Paul C Kuo, Jae S Cho
BACKGROUND: It is well established that transient postoperative atrial fibrillation (TPAF) is associated with adverse postoperative outcomes after major cardiac and noncardiac operations. The purpose of this study was to elucidate the incidence, impact, and risk factors associated with the development of TPAF in patients undergoing revascularization surgery for occlusive diseases of the abdominal aorta and its branches (AAB). METHODS: By use of the Healthcare Cost and Utilization Project State Inpatient Database from Florida and California, patients who underwent open revascularization of AAB between 2006 and 2011 were identified...
February 9, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28188153/what-are-the-decision-making-preferences-of-patients-in-vascular-surgery-a-mixed-methods-study
#19
T B Katrien Santema, E Anniek Stoffer, Marleen Kunneman, Mark J W Koelemay, Dirk T Ubbink
OBJECTIVES: Shared decision-making (SDM) has been advocated as the preferred method of choosing a suitable treatment option. However, patient involvement in treatment decision-making is not yet common practice in the field of vascular surgery. The aim of this mixed-methods study was to explore patients' decision-making preferences and to investigate which facilitators and barriers patients perceive as important for the application of SDM in vascular surgery. DESIGN AND SETTING: Patients were invited to participate after visiting the vascular surgical outpatient clinic of an Academic Medical Center in the Netherlands...
February 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28188023/differential-leucocyte-rna-expression-in-the-coronary-arteries-compared-to-systemic-circulation-discriminates-between-patients-with-and-those-without-coronary-artery-disease
#20
Josep Ribalta, Arash Alipour, Fátima Sánchez-Cabo, Joan-Carles Vallvé, Tjin Njo, Rebeca Álvarez, Hans Janssen, Anho Liem, Ana Dopazo, Manuel Castro-Cabezas
AIMS: To test the hypothesis that the pattern of gene expression in circulating leukocytes may differ between vascular compartments, depending on the presence or absence of atherosclerosis, we evaluated the regional vascular differences in patterns of inflammatory cell activation. METHODS: Patients (n=8) with angiographically-established coronary artery disease (CAD+) and 8 without (CAD-) had blood samples taken from a peripheral vein as well as from left and right coronary arteries...
February 7, 2017: Clínica e Investigación en Arteriosclerosis
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