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https://www.readbyqxmd.com/read/28339088/sclerostin-is-a-possible-candidate-marker-of-arterial-stiffness-results-from-a-cohort-study-in-catania
#1
Agostino Gaudio, Valerio Fiore, Rosario Rapisarda, Maria Helga Sidoti, Anastasia Xourafa, Antonino Catalano, Giovanni Tringali, Luca Zanoli, Salvatore Santo Signorelli, Carmelo Erio Fiore
Osteoporosis and cardiovascular disease are worldwide public health issues. Recent evidence indicates a possible role of the canonical Wnt/β-catenin signalling pathway as a common mediator between these two diseases. The aim of the present study was to investigate the relationship between serum concentrations of sclerostin and Dkk1, two extracellular inhibitors of Wnt/β-catenin signalling, with carotid intima-media thickness (CIMT) and with arterial stiffness, evaluated by measuring the pulse wave velocity (PWV) in an ambulatory population of adults...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28333860/cardiovascular-parameters-to-2-years-after-kidney-transplantation-following-early-switch-to-everolimus-without-calcineurin-inhibitor-therapy-an-analysis-of-the-randomized-elevate-study
#2
Hallvard Holdaas, Johan W de Fijter, Josep M Cruzado, Pablo Massari, Björn Nashan, John Kanellis, Oliver Witzke, Alex Gutierrez-Dalmau, Aydin Turkmen, Zailong Wang, Patricia Lopez, Peter Bernhardt, Jossy Kochuparampil, Markus van der Giet, Klaus Murbraech
BACKGROUND: Mammalian target of rapamycin (mTOR) inhibitors may confer cardioprotective advantages but clinical data are limited. METHODS: In the open-label ELEVATE trial, kidney transplant patients were randomized at 10-14 weeks posttransplant to convert from calcineurin inhibitor (CNI) to everolimus or remain on standard CNI therapy. Prespecified endpoints included left ventricular mass index (LVMi) and, in a subpopulation of patients, arterial stiffness as measured by pulse wave velocity (PWV)...
March 22, 2017: Transplantation
https://www.readbyqxmd.com/read/28333321/preconception-and-early-pregnancy-maternal-haemodynamic-changes-in-healthy-women-in-relation-to-pregnancy-viability
#3
F L Foo, A Collins, C M McEniery, P R Bennett, I B Wilkinson, C C Lees
STUDY QUESTION: Are there differences in preconception cardiovascular function between women who have a viable pregnancy and those who have a first trimester miscarriage? SUMMARY ANSWER: Preconception cardiovascular function of central haemodynamics and arterial function are similar between women who have a viable pregnancy and those who have a first trimester miscarriage. WHAT IS KNOWN ALREADY: Miscarriages have been associated with increased long-term cardiovascular disease risk, and arterial and cardiovascular dysfunction has been hypothesised as the common link...
March 16, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28332508/prolactin-as-a-predictor-of-endothelial-dysfunction-and-arterial-stiffness-progression-in-menopause
#4
G Georgiopoulos, I Lambrinoudaki, F Athanasouli, E Armeni, A Koliviras, A Augoulea, D Rizos, C Papamichael, A Protogerou, K Stellos, K Stamatelopoulos
Postmenopausal women are at increased risk for progression of arteriosclerosis and hypertension. Recent cross-sectional evidence suggests that high normal circulating prolactin levels may accelerate vascular ageing in menopause. Postmenopausal women (n=201) were consecutively recruited from a Menopause Clinic and re-evaluated in at least one follow-up visit within the next 3 years. Baseline circulating prolactin levels were measured while both baseline and follow-up vascular and biochemical measurements were performed...
March 23, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28330663/longitudinal-changes-in-lv-structure-and-diastolic-function-in-relation-to-arterial-properties-in-general%C3%A2-population
#5
Nicholas Cauwenberghs, Judita Knez, Jan D'hooge, Lutgarde Thijs, Wen-Yi Yang, Fang-Fei Wei, Zhen-Yu Zhang, Jan A Staessen, Tatiana Kuznetsova
OBJECTIVES: We assessed to what extent arterial properties measured at baseline and follow-up predict longitudinal alterations in echocardiographic indexes reflecting left ventricular (LV) structure and function. BACKGROUND: Serial imaging studies are needed to clarify the relation of changes in LV structure and function to arterial stiffness. METHODS: In 607 participants (50.7% women; mean age 50.7 years), using echocardiography and Doppler imaging, we measured LV dimensions, transmitral blood flow, and mitral annular tissue velocities at baseline and after 4...
March 10, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28324675/arterial-stiffness-in-hiv-infected-youth-and-associations-with-hiv-related-variables
#6
Allison Ross Eckard, Paolo Raggi, Joshua H Ruff, Mary Ann O'Riordan, Julia C Rosebush, Danielle Labbato, Julie E Daniels, Monika Uribe-Leitz, Christopher T Longencker, Grace A McComsey
Children and young adults infected with HIV are at elevated risk for cardiovascular disease (CVD). However, scarce data exist on the utility of non-invasive methods to diagnose subclinical CVD, such as pulse wave velocity (PWV), a non-invasive measure of arterial stiffness. The objectives of this study were to assess the relationship of carotid-femoral PWV with subclinical atherosclerosis measured by carotid intima-media thickness (IMT), compare measurements to healthy controls, and evaluate variables associated with PWV in HIV-infected youth...
March 21, 2017: Virulence
https://www.readbyqxmd.com/read/28323879/mir-181b-regulates-vascular-stiffness-age-dependently-in-part-by-regulating-tgf-%C3%AE-signaling
#7
Daijiro Hori, Brittany Dunkerly-Eyring, Yohei Nomura, Debjit Biswas, Jochen Steppan, Jorge Henao-Mejia, Hideo Adachi, Lakshmi Santhanam, Dan E Berkowitz, Charles Steenbergen, Richard A Flavell, Samarjit Das
BACKGROUND: Endothelial dysfunction and arterial stiffening play major roles in cardiovascular diseases. The critical role for the miR-181 family in vascular inflammation has been documented. Here we tested whether the miR-181 family can influence the pathogenesis of hypertension and vascular stiffening. METHODS AND RESULTS: qPCR data showed a significant decrease in miR-181b expression in the aorta of the older mice. Eight miR-181a1/b1-/- mice and wild types (C57BL6J:WT) were followed weekly for pulse wave velocity (PWV) and blood pressure measurements...
2017: PloS One
https://www.readbyqxmd.com/read/28298652/patient-specific-blood-pressure-correction-technique-for-arterial-stiffness-evaluation-in-a-cohort-on-anti-angiogenic-medication
#8
Bart Spronck, Tammo Delhaas, Anouk Gw De Lepper, Julie Giroux, François Goldwasser, Pierre Boutouyrie, Maureen Alivon, Koen D Reesink
Arterial pulse wave velocity (PWV) depends on blood pressure (BP). Correction of PWV for BP is commonly performed using a statistical approach, requiring a patient cohort. We recently developed a mechanistic, model-predictive approach to assess BP-independent changes in carotid PWV (cPWV) at the level of the individual. The goal of the present study is to compare our novel technique to conventional statistical correction, in the context of anti-cancer therapy using anti-angiogenic drugs (AADs). AADs frequently lead to a PWV increase, but also to hypertension, underlining the need for BP correction of PWV measurements...
March 16, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28295341/exercise-training-reverses-age-induced-diastolic-dysfunction-and-restores-coronary-microvascular-function
#9
Kazuki Hotta, Bei Chen, Bradley J Behnke, Payal Ghosh, John N Stabley, Jeremy A Bramy, Jaime L Sepulveda, Michael D Delp, Judy M Muller-Delp
The risk for diastolic dysfunction increases with advancing age. Regular exercise training ameliorates age-related diastolic dysfunction; however, the underlying mechanisms have not been identified. We investigated whether 1) microvascular dysfunction contributes to the development of age-related diastolic dysfunction, and 2) initiation of late-life exercise training reverses age-related diastolic and microvascular dysfunction. Young and old rats underwent 10 weeks of exercise training or remained as sedentary, cage-controls...
March 10, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28290783/-optimization-of-control-of-blood-pressure-metabolic-disorders-and-target-organs-protection-with-fixed-perindopril-and-indapamide-combination-in-treated-patients-with-arterial-hypertension
#10
S V Nedogoda, E V Chumachek, A A Ledyaeva, V V Tsoma, A S Salasyuk, V O Smirnova, V Ju Hripaeva, R V Palashkin
PURPOSE: to assess the potential of fixed perindopril/indapamide combination (FPIC) to improve angioprotection in patients with arterial hypertension (AP) with various efficacy of preceding therapy with combination of losartan and hydrochlorothiazide (HCTZ). MATERIAL AND METHODS: We included in this open study 50 patients with AP divided into two equal-sized groups in dependence on the achievement of target blood pressure (BP) less than 140/90 mm Hg on preceding therapy with losartan (100 mg) and HCTZ (12...
February 2017: Kardiologiia
https://www.readbyqxmd.com/read/28289784/high-blood-pressure-states-in-children-adolescents-and-young-adults-associate-accelerated-vascular-aging-with-a-higher-impact-in-females-arterial-properties
#11
S Curcio, V García-Espinosa, J M Castro, G Peluso, M Marotta, M Arana, P Chiesa, G Giachetto, D Bia, Yanina Zócalo
The aims of the study were to determine (1) whether the presence of High blood pressure (HBP) states in the youth associate a steeper rate of age-related change in arterial geometrical and wall properties with respect to subjects with no previous cardiovascular risk factor (CRF) exposure, (2) in which parameters and in what magnitude, and (3) the existence of a gender-related difference in the impact of this condition on arterial properties. 300 individuals (mean/range: 15/4-29 years; 133 females) were included...
March 13, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28287880/does-the-serum-uric-acid-level-have-any-relation-to-arterial-stiffness-or-blood-pressure-in-adults-with-congenital-renal-agenesis-and-or-hypoplasia
#12
Raziye Yazici, İbrahim Guney, Lutfullah Altintepe, Mehmet Yazici
BACKGROUND: The relationship between serum uric acid and arterial stiffness or blood pressure is not clear. The serum uric acid level and its association with cardiovascular risk is not well known in patients with reduced renal mass. We aimed to investigate the relation between serum uric acid levels and arterial stiffness and also blood pressure in patients with congenital renal agenesis and/or hypoplasia. MATERIAL AND METHODS: In this single center, cross-sectional study, a total of 55 patients (39 (% 70...
2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28287528/ultrasound-based-pulse-wave-velocity-evaluation-in-mice
#13
Nicole Di Lascio, Claudia Kusmic, Francesco Stea, Francesco Faita
Arterial stiffness can be evaluated by calculating pulse wave velocity (PWV), i.e., the speed with which the pulse wave travels in a conduit vessel. This parameter is being increasingly investigated in small rodent models in which it is used for assessing alterations in vascular function related to particular genotypes/treatments or for characterizing cardiovascular disease progression. This protocol describes an image processing algorithm which leads to non-invasive arterial PWV measurement in mice using ultrasound (US) images only...
February 14, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28285656/relationships-of-insulin-like-growth-factor-1-its-binding-proteins-and-cardiometabolic-risk-in-hypertensive-perimenopausal-women
#14
Agnieszka Olszanecka, Aneta Dragan, Kalina Kawecka-Jaszcz, Danuta Fedak, Danuta Czarnecka
PURPOSE: During the transition from premenopause to postmenopause, many women experience weight gain and central fat deposition; therefore, we hypothesized that circulating growth factors can play a role in the pathogenesis of hypertension, metabolic syndrome, and subclinical organ damage in perimenopausal women. BASIC PROCEDURES: The study included 192 women aged 40 to 60years; 152 had newly diagnosed essential hypertension that had never been treated, and 40 were normotensive age-matched controls...
April 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28278360/assessment-of-arterial-stiffness-in-periodontitis-using-a-novel-pulse-wave-imaging-methodology
#15
Elena C Sanz-Miralles, Ronny Li, Fatemeh Momen-Heravi, Carlos Mendieta, Elisa E Konofagou, Panos N Papapanou
AIM: We investigated the cross-sectional relationship between periodontal status and arterial stiffness, assessed through a novel Pulse Wave Imaging methodology. METHODS: Eighty volunteers were enrolled (39% male, age range 24-78 years) and 33 pairs were formed of periodontitis patients/periodontally healthy controls, matched by age and gender. A full-mouth periodontal examination was performed and the degree of stiffness of the right and left carotid arteries was assessed by measuring pulse wave velocity (PWV) and the uniformity in pulse wave propagation (R(2) )...
March 9, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28271589/clustering-of-cardio-metabolic-risk-factors-in-parents-of-adolescents-with-type-1-diabetes-and-microalbuminuria
#16
M Loredana Marcovecchio, Päivi H Tossavainen, Katharine Owen, Catherine Fullah, Paul Benitez-Aguirre, Stefano Masi, Ken Ong, Helen Nguyen, Scott T Chiesa, R Neil Dalton, John Deanfield, David B Dunger
OBJECTIVE: To evaluate the association between a clustering of cardio-metabolic risk factors in parents and the development of microalbuminuria (MA) in their offspring with childhood-onset type 1 diabetes (T1D). METHODS: The study population comprised 53 parents (mean age [±SD]: 56.7±6.2 years) of 35 T1D young people with MA (MA+) and 86 parents (age: 56.1±6.3 years) of 50 matched offspring with normoalbuminuria (MA-), who underwent clinical, biochemical and cardiovascular imaging assessments...
March 8, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/28270208/aortic-length-measurements-for-pulse-wave-velocity-calculation-manual-2d-vs-automated-3d-centreline-extraction
#17
Arna van Engelen, Miguel Silva Vieira, Isma Rafiq, Marina Cecelja, Torben Schneider, Hubrecht de Bliek, C Alberto Figueroa, Tarique Hussain, Rene M Botnar, Jordi Alastruey
BACKGROUND: Pulse wave velocity (PWV) is a biomarker for the intrinsic stiffness of the aortic wall, and has been shown to be predictive for cardiovascular events. It can be assessed using cardiovascular magnetic resonance (CMR) from the delay between phase-contrast flow waveforms at two or more locations in the aorta, and the distance on CMR images between those locations. This study aimed to investigate the impact of different distance measurement methods on PWV. We present and evaluate an algorithm for automated centreline tracking in 3D images, and compare PWV calculations using distances derived from 3D images to those obtained from a conventional 2D oblique-sagittal image of the aorta...
March 8, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/28269335/blood-perfusion-display-based-on-video-pulse-wave
#18
Makoto Yoshizawa, Norihiro Sugita, Makoto Abe, Akira Tanaka, Kazuma Obara, Tsuyoshi Yamauchi, Noriyasu Homma, Tomoyuki Yambe
In this study, an easy system for monitoring dynamic blood perfusion patterns and the pulse wave velocity (PWV) has been developed by processing video images of a human body to assess blood circulation for daily management of physical conditions or for detecting persons in poor physical condition in public places. The experiment suggested that this tool can be used to easily evaluate the PWV; however, the obtained value from the video image of the face was about 1/10 of the standard value calculated from thick vessels...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269222/single-source-photoplethysmograph-transducer-for-local-pulse-wave-velocity-measurement
#19
P M Nabeel, Jayaraj Joseph, Vartika Awasthi, Mohanasankar Sivaprakasam
Cuffless evaluation of arterial blood pressure (BP) using pulse wave velocity (PWV) has received attraction over the years. Local PWV based techniques for cuffless BP measurement has more potential in accurate estimation of BP parameters. In this work, we present the design and experimental validation of a novel single-source Photoplethysmograph (PPG) transducer for arterial blood pulse detection and cycle-to-cycle local PWV measurement. The ability of the transducer to continuously measure local PWV was verified using arterial flow phantom as well as by conducting an in-vivo study on 17 volunteers...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269220/using-multiple-placements-of-accelerometers-to-measure-cardiovascular-pulse-transit-times
#20
Natalie Kurgan Canino, Ruisheng Wang, Charles J Robinson
To measure pulse transit times (PTT) and calculate pulse wave velocities (PWV), tri-axial and uniaxial accelerometers were placed in groups of 2 to 4 over the manubrium, xiphoid process, forehead, wrist and ankle, and/or over the carotid, femoral, and posterior auricular arteries in 11 consented supine subjects. Signals were sampled at 1 kHz and filtered. Radial vectors were calculated from the tri-axial measurements. A 3-lead ECG was simultaneously collected over the same 180 s window, as well as respiratory rate...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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