PDF Global impairment of brachial, carotid, and aortic ... PDF Pulse Wave Velocity in Young Adults. Study of Rio de Janeiro Clin Res Cardiol 2018. Pulse-wave velocity (PWV) is a measurement of arterial stiffness that is an independent predictor of cardiovascular risk. 4 Discussion 4.1 Body composition Exercise in the treatment or prevention of obesity is In multivariable analyses, in both European and South Asian T2D patients the E/A ratio remained lower and LV concentricity persisted to be higher compared with controls, but there were no differences in the E dec peak, GLS or aortic pulse wave velocity (Table 4). Comparison of two means using Wilcoxon's rank sum test baPWV-M : mean brachial-ankle pulse wave velocity 3. KoreaMed Synapse Normal Blood Flow Patterns - E-Echocardiography Table 3 Comparison of hemodynamic parameters according to the changes of pulse wave velocity after isometric handgrip exercise Full size table Patients with 2- or 3-vessel CAD were not significantly different (60% vs. 42%, P = 0.313), and PCI was similarly performed in both groups (68% vs. 67%, P = 1.000). Pulse-Wave Velocity. PWV is used clinically as a measure of arterial stiffness and can be readily measured non-invasively in humans, with measurement of carotid to femoral PWV (cfPWV) being the recommended method. Habitual cocoa intake reduces arterial stiffness in postmenopausal women regardless of intake frequency: a randomized parallel-group study Takanobu Okamoto,1 Ryota Kobayashi,1 Midori Natsume,2 Koichi Nakazato1 1Department of Exercise Physiology, Nippon Sport Science University, Tokyo, Japan; 2Food Sciences Research Laboratories, Meiji Co Ltd, Kanagawa, Japan Abstract: Arterial stiffness is . Viscoelastic and Functional Similarities Between Native ... In childhood, the validated applanation tonometer SphygmoCor® can be used to measure PWV, but is limited in routine practice by the child's cooperation and operator's experience. Hypertension is a common comorbidity in patients wi MAP - mean arterial pressure; HR - heart rate; PWV - pulse wave velocity. Physical and B-mode/PWD examination of vein related to arteriovenous fistula prior to access placement. Furthermore, in multivariable analyses, the LV filling pressure was increased or . Table 2. 3.3 Pulse wave velocity Table 5 provides the mean values for arterial pulse wave velocity and blood pressure. The mean age of the study subjects was 58.1±12.8 years and the mean BMI was 24.3±3.8 kg/cm 2. Carotid-femoral pulse wave velocity was measured by applanation tonometry. baPWV-M : mean brachial-ankle pulse wave velocity Table 3. 42.8% were hypertensive subjects.Among the hypertensive subjects, 56.0% were taking antihypertensive medication. Ultrasonography in the evaluation and diagnosis of carotid arteries and left ventricular function in patients with subclinical atherosclerosis (SA) was explored. Impact of mean arterial pressure on progression of arterial stiffness in peritoneal dialysis patients under strict volume control strategy Ji Hyun Lee, et al. Normal pulse wave velocity values for the pediatric population derived from a large data collection have yet to be available. We aimed to phenotype cardiac and vascular dysfunction by tagged cardiovascular magnetic resonance (CMR) imaging in patients recently commencing HD. There were no significant differences in the pulse wave velocity, RPP, SBP, DBP, and MAP between the TG and CG. tive index; PWV: pulse wave velocity. Vascular 2012; 20 : 342-349. It can be measured simply and noninvasively by measuring the carotid and femoral pulse pressures and the time delay between the two or by other methods relying on pulse-wave analysis. aortic stiffness is a strong and independent predictor of coronary risk in subjects with normal or high blood pressure (BP), diabetes mellitus, and chronic renal failure ().Recent studies have shown that increased aortic stiffness is observed in many pathological conditions, such as insulin resistance, diabetes mellitus, atherosclerosis, and even inflammatory disorders (). Objectives Cardiomyopathy is a key factor in accelerated cardiovascular mortality in haemodialysis (HD) patients. Design, setting, participants, & measurements We conducted a double-blind, randomized controlled trial in out-patient CKD clinics in Vancouver, Canada, from February of 2011 to August of 2014, enrolling 119 patients with an eGFR of 15-45 ml/min per 1.73 m 2.Change in pulse wave velocity (PWV) was measured after 6 months of treatment with a fixed dose of oral calcifediol (5000 IU 25 . Download Table | Multiple linear regression model for pulse wave velocity. Studies examining arterial stiffness. Background: The risk of Cardiovascular (CV) events is higher in HIV-infected patients (HIV+) compared to HIV-uninfected persons (HIV−). Background and Objectives . Method: We sought to explore whether central arterial pulse wave velocity (PWV), a marker of CAS, is associated with hippocampal cerebral blood flow (CBF) and neuronal density in hypertensive Dahl-S rats. This instrument has provided fundamental quantitative information on arterial pressure in individual subjects and in populations and facilitated estimation of cardiovascular risk related to levels of blood pressure obtained from the brachial cuff. Article Google Scholar Pulse wave velocity (PWV) is an innovative and affordable measurement of arterial stiffness which may be an accessible tool to estimate mortality risk; however, no meta-analysis has estimated its predictive performance for cardiovascular and all-cause mortality. 58.9% of the subjects were female. Table 4. Background: Accumulation of advanced glycation endproducts (AGEs) is thought to be involved in the pathogenesis of dementia, especially Alzheimer's disease. Transit time is estimated by the foot-to-foot method. Pulse wave velocity (PWV) of the aorta is an indication of aortic stiffness [1, 2].PWV is defined as the propagation speed of the pressure wave along a vessel segment [].Aortic stiffness increases with age and can also be caused by a number of cardiovascular diseases [].A number of population based studies have been conducted to study the relationship between aortic stiffness as measured by . Changes in pulse wave velocity for patients treated for Arch and non-Arch. Aim: To determine the normal values and the effect of childhood vasculitis on arterial . 597 ideal indicator of arterial stiffness, and brachial artery pulse wave velocity (baPWV) is used to assess endothelial func- 1/a. However, normal Pulse Wave Velocity values vary according to age, so the same value could have a different meaning for two persons of different ages. We therefore investigated the determinants of . The maximum velocity of the flow profile should peak at about 100 cm/sec or less. Methods and materials: We carried out a controlled, blind, cohort. Pulse wave velocity (PWV) is the velocity at which the blood pressure pulse propagates through the circulatory system, usually an artery or a combined length of arteries. The flow profile is a quick upstroke, followed by a smooth arc, which peaks in midsystole, and has a quick downstroke. (B) Pulse wave propagation between the five segments defines Pulse Wave Velocity. Schematic illustration of the recurrent neural network structure used to estimate pulse wave velocity from the entire radial pressure wave. PWV: pulse wave velocity Table 1. The effects of pressure wave reflection have been incompletely described by the central augmentation index (cAI) and augmented pressure (Pa). (Research Article, Report) by "International Journal of Vascular Medicine"; Health, general Care and treatment Development and progression Risk factors Complications and side effects Prognosis Medical research Medicine, Experimental Figure 1 Pulse wave velocity determination. Volume 46 / Number 1 / 2017. The main findings of this study can be summarized as follows: I) A cfPWV cut-off of 7.9 m/s was established for individuals with T2DM as an indicator of AS in individuals with T2DM; (II) A subgroup with cfPWV ≥7.9 m/s . Tissue AGE accumulation can be estimated using the relative simple noninvasive measurement of skin autofluorescence (SAF), a method based on the fluorescent properties of some AGEs. We hypothesized that volume changes during 48-h are associated with different circadian patterns of arterial stiffness on non-dialysis day compared to dialysis day and that the night-time increase of arterial stiffness is associated with higher mortality. Editor-in-Chief Andreas Creutzig Editors Beatrice Amann-Vesti Erich Minar Pavel . Assessment of arterial stiffness in patients with familial hypercholesterolemia Background Aortic pulse wave velocity (APWV), a marker of arterial stiffness, was found to be a good predictor for the presence of incipient vascular disease and cardiovascular events in observational studies. In comparison with the present study, they obtained mean values of pulse wave velocity for 20-29 year olds of 5.8 ± 0.7 m/s and for 40-49 years of 7.1 ± 0.9 m/s which is slightly lower than our data particularly at the younger age (6.7 ± 0.9 and 7.5 ± 1.2 m/s respectively, Table 2). The secondary purpose is to look at the effectiveness and safety of LCPT given once-daily compared to IR-TAC given twice-daily 12 hours apart after kidney transplantation. Large artery stiffness, a well-documented predictor of adverse CV prognosis, may mediate this enhanced risk. Introduction and objectives. Efavirenz) on the Pulse Wave Velocity. Free Online Library: Association between Carotid Wall Shear Rate and Arterial Stiffness in Patients with Hypertension and Atherosclerosis of Peripheral Arteries. Vasa European Journal of Vascular Medicine. Pulse wave velocity and vascular compliance measurements are two non-invasive tests that are used to evaluate how well the blood vessels adapt to each heartbeat. Characteristics of Study Participants Smokers (n 10) Nonsmokers (n 12) Age (yrs) 31 231 2 Male/female 5/4 6/5 Height (cm) 176 3 171 2 Weight (kg) 71.9 3.3 66.7 2.7 Body surface area (mm2) 1.81 0.75 1.79 0.57 Systolic blood pressure (mm Hg) 115 4 112 4 Diastolic blood pressure (mm Hg) 67 372 3 Briefly, two high-fidelity silicon piezoresistive pressure sensors (Motorola MPX 2050, Motorola Inc., Schaumburg, IL, USA) were connected to an amplifier during data . Background: Polyarteritis nodosa is a necrotising vasculitis of the medium sized and small muscular arteries. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Abstract Purpose: Pulse wave velocity (PWV) is an indicator of arterial stiffness, and is considered a marker of vascular damage. Pulse Wave Velocity (PWV) is a measure of arterial stiffness, or the rate at which pressure waves move down the vessel.As blood flows through the vessels of the circulatory system, it moves out of the left ventricle and into the aorta where it is then pushed through the rest of the circulatory system. Since aortic pulse wave velocity is dominantly influenced by age, this finding may be of major importance for the evaluation of cardiovascular risk in the elderly. The Korean Journal of Internal Medicine : 22:147-151, 2007 The Relationship Between the Acute Changes of the Systolic Blood Pressure and the Brachial-Ankle Pulse Pulse wave velocity and the non-invasive methods used to assess it: Complior, sphygmocor, arteriograph and vicorder. thickness, Ankle Brachial Pressure Index, and carotid-femoral pulse wave velocity - Table 1. Pulse wave velocity (PWV) is known as a key indicator of arterial stiffness[10-11]. Key new findings and/or unique features: New findings show the importance of physical activity for health in old age and cross-sectional associations between frailty and an increased risk of a range of cardiovascular factors (including obesity, low HDL-C, Table 3 - Current metabolic variables adjusted for age Variable Group 1 (n = 25) Group 2 (n = 35) Significance level (p) Cholesterol (mg/dl) 179.76 ± 37.90 179.01 ± 36.13 0.947 HDL-Chol (mg/dl) 53.10 ± 12.59 44.27 ± 11.57 0.008 HDL-Chol (mg/dl) 107.49 ± 35.13 119.96 . IntroductionHeritability of lung function has been investigated in twin and family studies, with discordant results. To give you the most accurate insights, the Health Mate app automatically takes age into account when interpreting . The pulse wave velocity (PWV) is considered one of the most important clinical parameters for evaluate the CV risk, vascular adaptation, and therapeutic efficacy. Arterial stiffness has been shown to be a predictor of cardiovascular events and mortality. Pulse Wave Velocity as an Indicator of Atherosclerosis in Impaired Fasting Glucose The Tanno and Sobetsu Study HIROFUMI OHNISHI SHIGEYUKI SAITOH SATORU TAKAGI JUN-ICHI OHATA TAKESHI ISOBE YUKA KIKUCHI HIROSHI TAKEUCHI KAZUAKI SHIMAMOTO OBJECTIVE— Brachial-ankle pulse wave velocity (baPWV), as an indicator of atherosclero- sis in impaired fasting glucose (IFG), was studied in 232 subjects . Abstract. ASSOCIATION BETWEEN EACH VARIABLES AND AVERAGE PULSE WAVE VELOCITY To see the association between each variables and average pulse wave In total, 152 patients with no obvious clinical symptoms of atherosclerosis confirmed by carotid ultrasonography in Tengzhou Central People's Hospital from September 2015 to March 2016 were enrolled as the experimental group, and . The scatterplot for treatment length index and changes in PWV showed a significant but weak correlation (r = 0.14, 95% CI 0.01 to 1.00, p = 0.038) . The effect of vasculitic damage on arterial distensibility has never been explored however. Table 1: Anthropometric and baseline measurements data The initial mean crPWV in stage 1 was 10.02 ± 2.06 BMI=Body Mass Index; WHR=Waist to Hip Ratio; b=Brachial; c=central; SBP=Systolic Blood Pressure; DBP=Diastolic Blood Pulse wave velocity analysis is a classic index of aortic stiffness and is a predictor of cardiovascular mortality in hypertensive cases. It is an essential element of every health monitoring system, since it may provide an Left Ventricular Outflow Tract (LVOT) The normal LVOT flow pattern is a laminar flow pattern during systole. Pulse Wave Velocity as a Predictor for Postoperative Cardiovascular Events The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. baPWV, brachial-ankle pulse wave velocity. eGFRs from Asian-modified CKD-EPI and Chinese-modified CKD-EPI equations were associated better with hypertensive target organ damage in the community-dwelling elderly Chinese: the Northern Shanghai Study Hongwei Ji,1,* Han Zhang,1,* Jing Xiong,1 Shikai Yu,1 Chen Chi,1 Bin Bai,1 Jue Li,2 Jacques Blacher,3 Yi Zhang,1,* Yawei Xu1,* 1Department of Cardiology, Shanghai Tenth People&rsquo . age-associated hypertension and memory loss, even on a normal salt intake. The relationship between CVI and arterial stiffness using pulse wave velocity (PWV . Table 3: Spearman's rank correlation coefficients of the atherosclerotic parameters in participants Table 4 shows Spearman's rank correlation coefficients for FMD, BAD, P-NTGD, and FMD/NMD with clinical and biochemical parameters in participants. The ambulatory arterial stiffness index (AASI) - defined as 1 - (slope of diastolic on systolic pressure during 24-h ambulatory monitoring) - has been proposed as a novel measure of arterial stiffness and has been shown to predict stroke and cardiovascular death, but not cardiac death, in a number of independent populations .This novel index, however, has prompted considerable controversy and . IJHY International Journal of Hypertension 2090-0392 2090-0384 Hindawi Publishing Corporation 10.1155/2016/4982676 4982676 Research Article Growing-Related Changes in Arterial Properties of Healthy Children, Adolescents, and Young Adults Nonexposed to Cardiovascular Risk Factors: Analysis of Gender-Related Differences Curcio S. 1 García-Espinosa V. 1 Arana M. 2 Farro I. The measured the velocity of the aortic pulse wave between the carotid and femoral arteries, along the blood pressures and heart rate, while the subjects were in the supine position at two time points, namely from 01.30-02.30 and 13:30-14:30 hours, during a day, also taking plasma . Introduction: Previous studies show contradictory results related to the vascular effects of coffee; they suggest that caffeine increases arterial stiffness and negatively impacts vascular health, the aim of this study is to evaluate the acute coffee effects on the vascular stiffness. Of these 1303 . When pulse wave velocity is measured over a large arterial . Chronic venous insufficiency (CVI) is a common pathology of the circulatory system and is associated with a high morbidity for the patients and causes high costs for the healthcare systems. APWV measured by echo Doppler is a simple and readily available method comparable with other costlier and complex modalities of APWV measurement like MRI, Complior method or applanation . Parameters are representing properties of vessel wall and are calculated automatically by the E-Tracking software. Baier D, Teren A, Wirkner K, Loeffler M, Scholz M. Parameters of pulse wave velocity: determinants and reference values assessed in the population-based study LIFE-Adult. Background:Increased carotid-femoral pulse wave velocity (cf-PWV), a surrogate of increased aortic stiffness, is a risk factor for cardiovascular events and all-cause mortality in end-stage renal d. Pulse wave velocity values were obtained according to the technique previously published and developed in Favaloro University [21, 22]. Table 1 predictive performance of regional PWV-assessment on luminal growth at 2-year follow-up Aortic region Incidence of luminal increase Sensitivity Specificity S1 12 42% 89% S2 15 27% 83% S3 11 27% 70% S4 7 29% 36% Cardiovascular Ultrasound 2011, 9:13 P t−1, P t and P t+1 are the radial pressure values at the discrete time points t − 1, t, and t+1, cfPWV is the carotid-femoral pulse wave velocity. Although, PWV of the aorta has been used as the standard method of measuring arterial stiffness,PWV can be measured in other arterial regions,such as heart- brachial(hb), heart-carotid(hd),femoral-ankle(fa) segment. IASBD ≥10 mm Hg and IADBD ≥10 mm Hg were also related to mortality [hazard ratio (HR)=1.78, 95% CI=1.15-3.28, p=0.029; and HR=3.14, 95% CI=1.25-4.41, p=0.012; respectively) after adjusting for sex, age, hypertension, diabetes mellitus, metabolic syndrome, thrombolytic therapy, END, NIHSS score, stroke subtype, cerebral atherosclerosis . The aim of this study was to elucidate influences of endothelin (ET)-related genetic polymorphisms and regular physical activity on age-related arterial stiffening through a 10-yr longitudinal study. Pulse wave velocity (PWV), a marker of vascular stiffness, is a predictor of future CVD. Pulse wave velocity (PWV) is an excellent index of arterial stiffness and can be used to predict long-term cardiovascular (CV) outcome. Calabia et al. In population exposed to cardiovascular risk, aortic stiffness is an important marker which is assessed by carotid-to-femoral pulse wave velocity (PWV). 1. IPEM's aim is to promote the advancement of physics and engineering applied to medicine and biology for the public benefit. PWV pulse-wave velocity Table 1. Details on baseline measurements of the subjects who met the inclusion and exclusion criteria are reported in Table 1. Several studies were dedicated to find the relationship between PWV measurement and pathological status in different diseases, and proved the relevance of this parameter. We measured systolic BP (by tail-cuff plethysmography), aortic PWV (by echocardiography) and CBF and N-acetyl . We studied 29 healthy young students, aged between 18 and 27 years, with 19 being male. Its m 1 Chiesa P. 3 . Therefore, PWV may be affected by height even before overt CVD occurs. Methods Fifty-four HD patients and 29 age and sex-matched controls without kidney disease were studied. The inflammatory and subsequent reparative processes may alter the arterial mechanical properties. Increased arterial stiffness has emerged as a strong predictor of future cardiovascular events and all-cause mortality. Acute inflammation did not alter estimated pulse wave velocity (Table 2, P = 0.41) or carotid β-stiffness index (P = 0.65). area is defined and compared at 2-year follow-up. Negative correlations between non- HDL-c and NMD (r=-0.45, p=0.003), between TG/HDL-C and NMD (r=-0.35, p=0.025), and between TC/HDL-C and NMD (r . As shown in Fig 1, a total of 116 patients were enrolled in the study, of which 55 patients were randomly distributed to the control group and 61 patients, to the far infrared treatment group.During follow-up, one patient received angioplasty for the lower extremity, two underwent lower leg amputations, three developed lower leg cramping, and two patients were transferred to another . Table 2 Factors associated with CAD Variable Crude OR (95% CI) Adjusted* OR (95% CI) P-value (Wald's test)), and 8. Cardiovascular disease (CVD) is the largest cause of morbidity and mortality in patients with type 2 diabetes mellitus (T2DM) . Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers.It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms . Short stature is reportedly associated with cardiovascular disease (CVD). In such studies, heritability of forced expiratory volume in 1 s (FEV 1 ) ranged between 10% and 77% and that of forced vital capacity (FVC) ranged between 26% and 91%. The aim of this study was to create a reference database and to characterize the factors determining pulse wave velocity in children and teenagers. Pulse Wave Velocity Measurement. An alternative device, the pOpmètre® is validated in . The most common method of clinical measurement of arterial blood pressure is by means of the cuff sphygmomanometer. Left ventricular (LV) mass . It is usually assessed by measuring aortic Pulse Wave Velocity (aPWV). cART-naïve participants is shown in the Table 1. 2.6. Time to reflection was also unaltered in both the aorta (158 ± 16 to 161 ± 20 ms) and carotid artery (180 ± 25 to 185 ± 26 ms). Pearson's correlation demonstrated a positive and significant correlation between cfPWV and glucose (r=0.62, p=0.0003) and cfPWV and Hb1Ac (r=0.55, p=0.0031).DISCUSSION. The transit time is the time of travel of the foot of the wave over a known distance. INTRODUCTION Blood pressure (BP) is an important indicator of heart and vessel condition. Diagnosis/test Physical examination B-Mode and PWD Cephalic, basilic, and median antecubital veins anatomy Vein course on the forearm and arm surface is not always evident However, a genome-wide association study analyzing single nucleotide polymorphisms (SNPs) associated with brachial-ankle PWV (baPWV) has not been conducted in healthy populations. These parameters are calculated from systolic and diastolic blood pressure values and from the systolic and diastolic diameters of the examined vessel 1/b. Increased arterial stiffness has been associated with an increased risk of developing cardiovascular diseases and all-cause mortality. Results. . A likely explanation for this difference is in the . Material and methods. Institute of Physics and Engineering in Medicine. from publication: Arterial Stiffness in Lower Limb Amputees | A high carotid-femoral pulse wave velocity (PWV) has been . 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