Results 251 to 260 of about 10,981,056 (291)

The noninvasive estimation of central aortic blood pressure in patients with aortic stenosis

Journal of Hypertension, 2008
To determine the relationship between brachial blood pressure, and transfer function-estimated and invasively measured central aortic pressure in patients with at least moderate symptomatic aortic stenosis.Fourteen patients aged 54-81 years with mean (SD) effective valve area of 0.69 (0.20) cm2, undergoing coronary angiography, had simultaneous ...
Rajani, Ronak, Chowienczyk, Phil, Redwood, Simon, Guilcher, Antoine, Chambers, John B   +4 more
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Vascular Aging and Central Aortic Blood Pressure: From Pathophysiology to Treatment

High Blood Pressure & Cardiovascular Prevention, 2020
Large conductive arteries undergo to structural modifications by aging, eventually leading to increased vascular stiffness. As consequence, cardiovascular hemodynamic changes by increasing central blood pressure which may be also associated to the remodelling of peripheral resistance arteries that contribute to increase further the central vascular ...
Battistoni A., Michielon A., Marino G., Savoia C.   +3 more
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Individualized Estimation of the Central Aortic Blood Pressure Waveform: A Comparative Study

IEEE Journal of Biomedical and Health Informatics, 2014
This paper presents a comparative study on the relative performance of alternative strategies for estimating an individualized central aortic blood pressure (BP) waveform. Based on the transmission line representation of the central aortic-radial arterial line, a fully individualized (ITF 1), two partially individualized (ITF 2 and ITF 3 ), and a fully
Jin-Oh Hahn
exaly   +4 more sources

Central Aortic Blood Pressure Waveform Estimation With a Temporal Convolutional Network

IEEE Journal of Biomedical and Health Informatics, 2023
A novel temporal convolutional network (TCN) model is utilized to reconstruct the central aortic blood pressure (aBP) waveform from the radial blood pressure waveform. The method does not need manual feature extraction as traditional transfer function approaches.
Lisheng Xu, Hanguang Xiao, Na Pang
exaly   +5 more sources

Estimation of central aortic blood pressure

Journal of Hypertension, 2014
Central aortic blood pressure (cBP) is often promoted to be a superior predictor of cardiovascular risk compared to brachial blood pressure, and brachial-central pulse pressure amplification is also suggested as prognostic. Several devices and techniques, each purporting to estimate cBP, have entered commercial use.
Om, Narayan, Joshua, Casan, Martin, Szarski, Anthony M, Dart, Ian T, Meredith, James D, Cameron   +5 more
openaire   +2 more sources

The differential impact of aerobic and isometric handgrip exercise on blood pressure variability and central aortic blood pressure

Journal of Hypertension, 2021
Background: Blood pressure variability and central SBP are independent markers of cardiovascular risk. Data on lifestyle-interventions to reduce these parameters are sparse. The present work reports the differential effects of aerobic vs. isometric handgrip exercise on blood pressure variability and central SBP in a prospective
Maximilian, Seidel, Nikolaos, Pagonas, Felix S, Seibert, Frederic, Bauer, Benjamin, Rohn, Stergios, Vlatsas, Dominic, Mühlberger, Babel, Nina, Timm H, Westhoff   +8 more
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The Acute Effects of Smokeless Tobacco on Central Aortic Blood Pressure and Wave Reflection Characteristics

Experimental Biology and Medicine, 2010
The main objectives of this study were to examine the acute effect of a single dose of smokeless tobacco (ST) on central aortic blood pressure and wave reflection characteristics. Fifteen apparently healthy male subjects (aged 30.6 ± 6.2 y) were given a
Jeffrey Martin, Alvaro N Gurovich, Darren T Beck   +2 more
exaly   +2 more sources

Central Aortic Pressure: The Next Frontier in Blood Pressure Measurement?

2012
First described over one hundred years ago, the non-invasive measurement of blood pressure over the brachial artery has remained in clinical practice virtually unchanged ever since. However, it has long been recognised that pressure in the brachial artery differs from pressure in the ascending aorta due to amplification as the pressure pulse transits ...
Bryan Williams, Peter S. Lacy
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Clinical Implications of Non-Invasive Measurement of Central Aortic Blood Pressure

Current Vascular Pharmacology, 2010
Central arterial systolic blood pressure is a very important factor in the pathophysiology of cardiovascular diseases. Central arterial pressure is a better predictor of cardiovascular risk than peripheral brachial blood pressure. Measurement of central blood pressure is useful for a diagnosis of spurious systolic hypertension in young people ...
Mariusz, Stepień, Maciej, Banach, Piotr, Jankowski, Jacek, Rysz   +3 more
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Estimation of Central Aortic Blood Pressure using a Noninvasive Automatic Blood Pressure Monitor

2009
Automatic blood pressure monitors are the most important healthcare products. The abnormal blood pressure values and waveform could indicate many cardiovascular diseases. The pressures measured using oscillometric method, which compared with invasive blood pressure devices, are often slight overestimation in SBP and underestimation in DBP.Recent ...
Yuan-Ta Shih, Yi-Jung Sun, Chen-Huan Chen, Hao-min Cheng, Hu Wei-Chih   +4 more
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