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Artykuły w czasopismach na temat „Arterial pulse”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 13 lutego 2022

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1

Maddury, Jyotsna. "Arterial Pulse." Indian Journal of Cardiovascular Disease in Women WINCARS 02, no. 04 (December 2017): 099–110. http://dx.doi.org/10.1055/s-0038-1636691.

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Daniel Paz-Martín. "Análisis de la onda de presión arterial en Anestesiología y Cuidados Intensivos I." Revista Electrónica AnestesiaR 12, no. 6 (July 6, 2020): 4. http://dx.doi.org/10.30445/rear.v12i6.858.

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La frecuencia y la forma del pulso arterial han sido empleadas desde hace milenios en un amplio abanico de escenarios clínicos. Cada componente de la onda de la presión arterial; presión pico, presión diastólica, tiempo de eyección, ascenso de la presión arterial durante la sístole y presión arterial media son el resultado de una compleja interrelación de procesos ventrículo-arteriales. Su correcta interpretación puede ser de gran utilidad a la hora de tomar decisiones clínicas. ABSTRACT Pulse wave analysis in Anesthesia and Intensive Care. The rate and shape of the arterial pulse have been us

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Mohiuddin, Mohammad W., Glen A. Laine, and Christopher M. Quick. "Increase in pulse wavelength causes the systemic arterial tree to degenerate into a classical windkessel." American Journal of Physiology-Heart and Circulatory Physiology 293, no. 2 (August 2007): H1164—H1171. http://dx.doi.org/10.1152/ajpheart.00133.2007.

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Two competing schools of thought ascribe vascular disease states such as isolated systolic hypertension to fundamentally different arterial system properties. The “windkessel school” describes the arterial system as a compliant chamber that distends and stores blood and relates pulse pressure to total peripheral resistance ( Rtot) and total arterial compliance ( Ctot). Inherent in this description is the assumption that arterial pulse wavelengths are infinite. The “transmission school,” assuming a finite pulse wavelength, describes the arterial system as a network of vessels that transmits pul

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4

Nguyen, Phuc H., Egemen Tuzun, and Christopher M. Quick. "Aortic pulse pressure homeostasis emerges from physiological adaptation of systemic arteries to local mechanical stresses." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 311, no. 3 (September 1, 2016): R522—R531. http://dx.doi.org/10.1152/ajpregu.00402.2015.

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Aortic pulse pressure arises from the interaction of the heart, the systemic arterial system, and peripheral microcirculations. The complex interaction between hemodynamics and arterial remodeling precludes the ability to experimentally ascribe changes in aortic pulse pressure to particular adaptive responses. Therefore, the purpose of the present work was to use a human systemic arterial system model to test the hypothesis that pulse pressure homeostasis can emerge from physiological adaptation of systemic arteries to local mechanical stresses. First, we assumed a systemic arterial system tha

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5

Driscoll, M. Darcy, J. Malcolm, O. Arnold, Gordon E. Marchiori, Linda A. Harker, and Marvin H. Sherebrin. "Determination of Appropriate Recording Force for Non-Invasive Measurement of Arterial Pressure Pulses." Clinical Science 92, no. 6 (June 1, 1997): 559–66. http://dx.doi.org/10.1042/cs0920559.

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1. Non-invasive recording techniques of the arterial pressure pulse will distort the arterial wall and may alter pulse wave measurements. We hypothesized that intersubject variability of these measurements would be reduced if recording forces were normalized to reflect individualized arterial occlusion forces. 2. In 10 normal male subjects (age 24 ± 1 years), brachial, radial and finger arterial pressure pulses were recorded simultaneously using volume displacement pulse transducers (Fukuda TY-303) and a finger pressure monitoring system (Finapres, Ohmeda 2300) and were made at 2, 5 and 10–100

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6

O'Rourke, M. F., and S. S. Franklin. "Arterial stiffness: reflections on the arterial pulse." European Heart Journal 27, no. 21 (September 25, 2006): 2497–98. http://dx.doi.org/10.1093/eurheartj/ehl312.

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7

Kandee, Moragot, Poonpong Boonbrahm, and Valla Tantayotai. "Development of Virtual Pulse Simulation for Pulse Diagnosis Studies." International Journal of Interactive Mobile Technologies (iJIM) 12, no. 7 (November 8, 2018): 31. http://dx.doi.org/10.3991/ijim.v12i7.9640.

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Pulse signals can be used to observe the early sign of patients' health problems. From medical researches, monitoring the characteristic of arterial pulse waveform shows some risk indicator of specific diseases, e.g., hypertension, cardiovascular and heart failure diseases. A simple way to get arterial pulse wave is by using fingers to touch the radial artery position on the wrist. In the traditional Chinese medicine, a physician can use the information of arterial pulse wave-form to identify diseases based on the physician’s ability and experience. The improvement of the skill in pulse measur

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8

Hamilton, Paul K., Christopher J. Lockhart, Cathy E. Quinn, and Gary E. Mcveigh. "Arterial stiffness: clinical relevance, measurement and treatment." Clinical Science 113, no. 4 (July 13, 2007): 157–70. http://dx.doi.org/10.1042/cs20070080.

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Most traditional cardiovascular risk factors alter the structure and/or function of arteries. An assessment of arterial wall integrity could therefore allow accurate prediction of cardiovascular risk in individuals. The term ‘arterial stiffness’ denotes alterations in the mechanical properties of arteries, and much effort has focused on how best to measure this. Pulse pressure, pulse wave velocity, pulse waveform analysis, localized assessment of blood vessel mechanics and other methods have all been used. We review the methodology underlying each of these measures, and present an evidence-bas

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9

Nikolov, P. "STRUCTURAL AND FUNCTIONAL VASCULAR CHANGES IN HIGH NORMAL ARTERIAL PRESSURE." BULGARIAN JOURNAL OF VETERINARY MEDICINE 23, no. 1 (2020): 7–11. http://dx.doi.org/10.15547//tjs.2020.01.002.

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The PURPUSE of the present study is changes in function and structure of large arteries in individuals with High Normal Arterial Pressure (HNAP) to be established. MATERIAL and METHODS: Structural and functional changes in the large arteries were investigated in 80 individuals with HNAP and in 45 with optimal arterial pressure (OAP). In terms of arterial stiffness, pulse wave velocity (PWV), augmentation index (AI), central aortic pressure (CAP), pulse pressure (PP) were followed up in HNAP group. Intima media thickness (IMT), flow-induced vasodilatation (FMD), ankle-brachial index (ABI) were

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10

Husmann, Marc, Vincenzo Jacomella, Christoph Thalhammer, and Beatrice R. Amann-Vesti. "Markers of arterial stiffness in peripheral arterial disease." Vasa 44, no. 5 (September 2015): 341–48. http://dx.doi.org/10.1024/0301-1526/a000452.

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Abstract. Increased arterial stiffness results from reduced elasticity of the arterial wall and is an independent predictor for cardiovascular risk. The gold standard for assessment of arterial stiffness is the carotid-femoral pulse wave velocity. Other parameters such as central aortic pulse pressure and aortic augmentation index are indirect, surrogate markers of arterial stiffness, but provide additional information on the characteristics of wave reflection. Peripheral arterial disease (PAD) is characterised by its association with systolic hypertension, increased arterial stiffness, distur

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11

Moffatt, C. J., M. I. Oldroyd, R. M. Greenhalgh, and P. J. Franks. "Palpating Ankle Pulses is Insufficient in Detecting Arterial Insufficiency in Patients with Leg Ulceration." Phlebology: The Journal of Venous Disease 9, no. 4 (December 1994): 170–72. http://dx.doi.org/10.1177/026835559400900409.

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Objective: To investigate the ability of district nurses to detect lower limb arterial disease by palpation of ankle pulses. Design: Ankle pulse palpation of patients presenting with ulcerated limbs and comparison with Doppler ankle-brachial pressure index (ABPI). Patients: Sequential patients presenting to community ulcer clinics. Main outcome measure: Sensitivity and specificity of pulse palpation to detect arterial disease compared with ABPI. Results: Of 533 limbs with ulceration in 462 patients (mean age 74 years, 67% female), 167 (31%) had no detectable pulses at the ankle. Of the 93 limb

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12

Vícha, Marek, and Jan Václavík. "Arterial hypertension and pulse pressure." Medicína pro praxi 15, no. 4 (September 1, 2018): 211–14. http://dx.doi.org/10.36290/med.2018.039.

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13

Wei, L. Y., and T. Winchester. "Electronic Diagnoser of Arterial Pulse." Journal of Medical Engineering & Technology 9, no. 4 (January 1985): 183–86. http://dx.doi.org/10.3109/03091908509032604.

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14

Greenwald, S. E. "Pulse pressure and arterial elasticity." QJM 95, no. 2 (February 1, 2002): 107–12. http://dx.doi.org/10.1093/qjmed/95.2.107.

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15

Zagidullin, N. Sh, R. Kh Zulkarneev, E. S. Scherbakova, Yu F. Safina, and Sh Z. Zagidullin. "Arterial stiffness as a cardiovascular events risk marker and possibilities for its downregulation by contemporary antihypertensive medications." Kazan medical journal 95, no. 4 (August 15, 2014): 575–81. http://dx.doi.org/10.17816/kmj1847.

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Arterial blood pressure measured by Korotkov’s method is a non-valid predictor for possible cardiovascular events, which requires introduction of new methods of arterial hypertension diagnostics. Recently, the effect on arterial stiffness has become a very important characteristic of antihypertensive drugs overall efficacy. Evaluation of arterial stiffness (central aortic pressure, augmentation index and pulse wave velocity) contributes to more precise cardiovascular risk stratification and reflects target organ damage and the effectiveness of antihypertensive treatment. In particular, pulse w

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16

Quick, Christopher M., David S. Berger, and Abraham Noordergraaf. "Apparent arterial compliance." American Journal of Physiology-Heart and Circulatory Physiology 274, no. 4 (April 1, 1998): H1393—H1403. http://dx.doi.org/10.1152/ajpheart.1998.274.4.h1393.

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Recently, there has been renewed interest in estimating total arterial compliance. Because it cannot be measured directly, a lumped model is usually applied to derive compliance from aortic pressure and flow. The archetypical model, the classical two-element windkessel, assumes 1) system linearity and 2) infinite pulse wave velocity. To generalize this model, investigators have added more elements and have incorporated nonlinearities. A different approach is taken here. It is assumed that the arterial system 1) is linear and 2) has finite pulse wave velocity. In doing so, the windkessel is gen

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17

Yossef Hay, Ohad, Meir Cohen, Itamar Nitzan, Yair Kasirer, Sarit Shahroor-karni, Yitzhak Yitzhaky, Shlomo Engelberg, and Meir Nitzan. "Pulse Oximetry with Two Infrared Wavelengths without Calibration in Extracted Arterial Blood." Sensors 18, no. 10 (October 15, 2018): 3457. http://dx.doi.org/10.3390/s18103457.

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Oxygen saturation in arterial blood (SaO2) provides information about the performance of the respiratory system. Non-invasive measurement of SaO2 by commercial pulse oximeters (SpO2) make use of photoplethysmographic pulses in the red and infrared regions and utilizes the different spectra of light absorption by oxygenated and de-oxygenated hemoglobin. Because light scattering and optical path-lengths differ between the two wavelengths, commercial pulse oximeters require empirical calibration which is based on SaO2 measurement in extracted arterial blood. They are still prone to error, because

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18

Kubarko, A. I., V. A. Mansurov, A. D. Svetlichny та L. D. Ragunovich. "РULSE WAVES РROPAGATION IN SMALL VESSELS: MEASUREMENT RESULTS AND MODELLING APPROACHES". Emergency Cardiology and Cardiovascular Risks 4, № 2 (2020): 1037–44. http://dx.doi.org/10.51922/2616-633x.2020.4.2.1037.

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The objective of the research work was to develop devices and algorithm for synchronous recording of pulse waves and ECG for measuring the delay time of pulse waves in the branches of various arteries relative to the R wave on an ECG, and to carry out computer simulation of the pulse wave propagation process to determine the dependence of the pulse wave propagation velocity on branching and other hemodynamic and morphological parameters of blood vessels. Material and methods. The study was conducted in 74 healthy subjects aged 18-23 years. The propagation time of the pulse wave by the arterial

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19

Erdan, Alper, Abdullah Ozkok, Nadir Alpay, Vakur Akkaya, and Alaattin Yildiz. "Volume status and arterial blood pressures are associated with arterial stiffness in hemodialysis patients." International Journal of Artificial Organs 41, no. 7 (May 28, 2018): 378–84. http://dx.doi.org/10.1177/0391398818778212.

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Background: Arterial stiffness is a strong predictor of mortality in hemodialysis patients. In this study, we aimed to investigate possible relations of arterial stiffness with volume status determined by bioimpedance analysis and aortic blood pressure parameters. Also, effects of a single hemodialysis session on these parameters were studied. Methods: A total of 75 hemodialysis patients (M/F: 43/32; mean age: 53 ± 17) were enrolled. Carotid-femoral pulse wave velocity, augmentation index, and aortic pulse pressure were measured by applanation tonometry before and after hemodialysis. Extracell

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20

Obeid, Hasan, Catherine Fortier, Charles-Antoine Garneau, Mathilde Pare, Pierre Boutouyrie, Rosa Maria Bruno, Hakim Khettab, Rémi Goupil, and Mohsen Agharazii. "Radial-digital pulse wave velocity: a noninvasive method for assessing stiffness of small conduit arteries." American Journal of Physiology-Heart and Circulatory Physiology 320, no. 4 (April 1, 2021): H1361—H1369. http://dx.doi.org/10.1152/ajpheart.00551.2020.

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Aortic stiffness, a cardiovascular risk factor and a marker of arterial aging, is assessed by pulse wave velocity (PWV) over this arterial segment. The interaction between the stiffness of various arterial segments is important in understanding the behavior of pressure and flow waves along the arterial tree. However, PWV assessment has been limited to large elastic vessels (aorta) or medium-sized arteries (i.e., brachial artery). In this paper, we provide a novel and noninvasive method of assessing the regional stiffness of small conduit arteries using the same piezoelectric sensors used for d

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21

Munir, Shahzad, Benyu Jiang, Antoine Guilcher, Sally Brett, Simon Redwood, Michael Marber, and Philip Chowienczyk. "Exercise reduces arterial pressure augmentation through vasodilation of muscular arteries in humans." American Journal of Physiology-Heart and Circulatory Physiology 294, no. 4 (April 2008): H1645—H1650. http://dx.doi.org/10.1152/ajpheart.01171.2007.

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Exercise markedly influences pulse wave morphology, but the mechanism is unknown. We investigated whether effects of exercise on the arterial pulse result from alterations in stroke volume or pulse wave velocity (PWV)/large artery stiffness or reduction of pressure wave reflection. Healthy subjects ( n = 25) performed bicycle ergometry. with workload increasing from 25 to 150 W for 12 min. Digital arterial pressure waveforms were recorded using a servo-controlled finger cuff. Radial arterial pressure waveforms and carotid-femoral PWV were determined by applanation tonometry. Stroke volume was

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22

Volobuev, Andrei N., and Petr I. Romanchuk. "A specific feature of the diagnosis of primary arterial hypertension in elderly patients." Science and Innovations in Medicine 5, no. 3 (October 20, 2020): 148–53. http://dx.doi.org/10.35693/2500-1388-2020-5-3-148-153.

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Objective the analysis of a group of factors, leading to the increase of pulse pressure in the direction from aorta to microcirculation vessels, in order to define the diagnostic criterion for exception of primary arterial hypertension. Material and methods.In the study, the modelling of the functions of arteries in cardiovascular system was used. Results.The role of the increase of pulse pressure to the periphery of blood circulation was regarded as the diagnostic attribute of exception of the primary arterial hypertension. It was noted, that physical factors of the increase of pu

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23

Avolio, A. P., W. W. Nichols, and M. F. O'Rourke. "Propagation of pressure pulse in kangaroo arterial system." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 249, no. 3 (September 1, 1985): R335—R340. http://dx.doi.org/10.1152/ajpregu.1985.249.3.r335.

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The pressure pulse contour in the ascending aorta of kangaroos is markedly different from that seen in other species, but the changes undergone by the pulse propagating along the aorta are quite similar. Alteration of wave contour and progressive amplification of the pulse in the distal aorta and peripheral arteries of other mammals have been attributed to elastic nonuniformity of the aorta and to peripheral wave reflection. In kangaroos the aorta approximates a uniform tube with essentially constant viscoelastic properties, whereas wave reflection from the lower body appears to be unusually i

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Singh, Omkar, and Ramesh Kumar Sunkaria. "Detection of Onset, Systolic Peak and Dicrotic Notch in Arterial Blood Pressure Pulses." Measurement and Control 50, no. 7-8 (September 2017): 170–76. http://dx.doi.org/10.1177/0020294017729958.

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In this paper, we proposed an effective method for detecting fiducial points in arterial blood pressure pulses. An arterial blood pressure pulse normally consists of onset, systolic peak and dicrotic notch. Detection of fiducial points in blood pressure pulses is a critical task and has many potential applications. The proposed method employs empirical wavelet transform for locating the systolic peak and onset of blood pressure pulse. The proposed method first estimates the fundamental frequency of blood pressure pulse using empirical wavelet transform and utilizes the combination of the blood

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25

Chen, Wen-Shiung, Shang-Yuan Yuan, and Ho-En Liao. "Data Compression for Arterial Pulse Waveform." American Journal of Chinese Medicine 29, no. 03n04 (January 2001): 533–45. http://dx.doi.org/10.1142/s0192415x01000563.

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The arterial pulse possesses important clinical information in traditional Chinese medicine. It is usually recorded for a long period of time in the applications of telemedicine and PACS systems. Due to the huge amount of data, by recognizing the strong correlation between successive beat patterns in arterial pulse waveform sequences, a novel and efficient data compression scheme based mainly on pattern matching is introduced. The simulation results show that our coding scheme can achieve a very high compression ratio and low distortion for arterial pulse waveform.

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Nicholson, Christopher. "Advanced cardiac examination: the arterial pulse." Nursing Standard 28, no. 47 (July 23, 2014): 50–59. http://dx.doi.org/10.7748/ns.28.47.50.e8664.

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O'Rourke, M. F., W. W. Nichols, and M. E. Safar. "Pulse waveform analysis and arterial stiffness." Journal of Hypertension 22, no. 8 (August 2004): 1633–34. http://dx.doi.org/10.1097/01.hjh.0000125473.35523.3f.

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Quick, C. M., D. S. Berger, and A. Noordergraaf. "Arterial pulse wave reflection as feedback." IEEE Transactions on Biomedical Engineering 49, no. 5 (May 2002): 440–45. http://dx.doi.org/10.1109/10.995682.

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Kuvin, J. T., M. Sidhu, A. R. Patel, K. A. Sliney, N. G. Pandian, and R. H. Karas. "Pulse pressure and peripheral arterial vasoreactivity." Journal of Human Hypertension 19, no. 6 (February 24, 2005): 501–2. http://dx.doi.org/10.1038/sj.jhh.1001844.

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Beraia, Merab. "Arterial pulse impact on blood flow." Health 02, no. 06 (2010): 532–40. http://dx.doi.org/10.4236/health.2010.26080.

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Papaioannou, Theodore G., Elias Gialafos, Marianna Karamanou, Gregory Tsoucalas, and Dimitris Tousoulis. "The ‘Divine’ or ‘Golden’ Arterial Pulse." European Heart Journal 38, no. 39 (October 14, 2017): 2925–28. http://dx.doi.org/10.1093/eurheartj/ehx542.

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Eom, Sunghoon, Jaehee Park, and Jonghun Lee. "Optical fiber arterial pulse wave sensor." Microwave and Optical Technology Letters 52, no. 6 (March 19, 2010): 1318–21. http://dx.doi.org/10.1002/mop.25200.

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Fedotov, A. A., and S. A. Akulov. "Structure of Arterial Pulse Signal Transducers." Biomedical Engineering 48, no. 3 (September 2014): 160–63. http://dx.doi.org/10.1007/s10527-014-9443-0.

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Nicholson, Christopher. "How to check the arterial pulse." Nursing Standard 30, no. 10 (November 4, 2015): 34–36. http://dx.doi.org/10.7748/ns.30.10.34.s45.

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Blyth, Kevin G., Raheel Syyed, James Chalmers, John E. Foster, Tarek Saba, Robert Naeije, Christian Melot, and Andrew J. Peacock. "Pulmonary arterial pulse pressure and mortality in pulmonary arterial hypertension." Respiratory Medicine 101, no. 12 (December 2007): 2495–501. http://dx.doi.org/10.1016/j.rmed.2007.07.004.

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Zhang, Yi, Patrick Lacolley, Athanase D. Protogerou, and Michel E. Safar. "Arterial Stiffness in Hypertension and Function of Large Arteries." American Journal of Hypertension 33, no. 4 (February 15, 2020): 291–96. http://dx.doi.org/10.1093/ajh/hpz193.

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Abstract BACKGROUND Arterial stiffness—typically assessed from non-invasive measurement of pulse wave velocity along a straight portion of the vascular tree between the right common carotid and femoral arteries—is a reliable predictor of cardiovascular risk in patients with essential hypertension. METHODS We reviewed how carotid-femoral pulse wave velocity increases with age and is significantly higher in hypertension (than in age- and gender-matched individuals without hypertension), particularly when hypertension is associated with diabetes mellitus. RESULTS From the elastic aorta to the mus

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Panchenkova, L. A., Kh A. Khamidova, M. O. Shelkovnikova, T. E. Yurkova, N. V. Rassudova, M. R. Ustinova, E. E. Kazantseva, E. V. Bychkova, and A. I. Martynov. "24-hour arterial stiffness monitoring in comorbid patients with cardiovascular pathology." Kazan medical journal 97, no. 1 (February 15, 2016): 5–12. http://dx.doi.org/10.17750/kmj2016-5.

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Aim. To evaluate 24-hour dynamics of the arterial stiffness main indicators in patients with arterial hypertension associated with metabolic syndrome, coronary heart disease and type 2 diabetes mellitus.Methods. The study included 54 patients with hypertension, who formed main groups: the first group - 17 patients with hypertension amid the metabolic syndrome, the second - 21 patients with metabolic syndrome and coronary heart disease, the third group - 16 patients with hypertension and type 2 diabetes mellitus. All patients underwent the vascular stiffness parameters study using a multifuncti

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Fushimi, Yasutaka, Tomohisa Okada, Akira Yamamoto, Mitsunori Kanagaki, Koji Fujimoto, and Kaori Togashi. "Timing dependence of peripheral pulse-wave-triggered pulsed arterial spin labeling." NMR in Biomedicine 26, no. 11 (June 20, 2013): 1527–33. http://dx.doi.org/10.1002/nbm.2986.

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Bighamian, Ramin, and Jin-Oh Hahn. "Relationship between Stroke Volume and Pulse Pressure during Blood Volume Perturbation: A Mathematical Analysis." BioMed Research International 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/459269.

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Arterial pulse pressure has been widely used as surrogate of stroke volume, for example, in the guidance of fluid therapy. However, recent experimental investigations suggest that arterial pulse pressure is not linearly proportional to stroke volume. However, mechanisms underlying the relation between the two have not been clearly understood. The goal of this study was to elucidate how arterial pulse pressure and stroke volume respond to a perturbation in the left ventricular blood volume based on a systematic mathematical analysis. Both our mathematical analysis and experimental data showed t

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40

Kaapa, P., J. Usha Raj, R. Hillyard, and J. Anderson. "Segmental vascular resistance during pulsatile and steady perfusion in 3- to 5-wk-old rabbit lungs." American Journal of Physiology-Heart and Circulatory Physiology 261, no. 2 (August 1, 1991): H506—H513. http://dx.doi.org/10.1152/ajpheart.1991.261.2.h506.

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To determine the mechanisms by which pulsatile perfusion reduces vascular resistance in isolated lungs, we compared the effects of pulsatile versus steady perfusion on total and segmental vascular resistance in isolated lungs of 3- to 5-wk-old rabbits. Lungs were perfused alternately with steady and pulsatile flow for 45-min periods at a constant total arteriovenous pressure drop. Blood flow was adjusted to keep mean pulmonary arterial pressure at 20 cmH2O, when left atrial and airway pressures were 8 and 6 cmH2O, respectively. We partitioned the pulmonary circulation into three longitudinal v

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Mac-Way, Fabrice, Amélie Leboeuf, and Mohsen Agharazii. "Arterial Stiffness and Dialysis Calcium Concentration." International Journal of Nephrology 2011 (2011): 1–6. http://dx.doi.org/10.4061/2011/839793.

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Arterial stiffness is the major determinant of isolated systolic hypertension and increased pulse pressure. Aortic stiffness is also associated with increased cardiovascular morbidity and mortality in patients with chronic kidney disease, hypertension, and general population. Hemodynamically, arterial stiffness results in earlier aortic pulse wave reflection leading to increased cardiac workload and decreased myocardial perfusion. Although the clinical consequence of aortic stiffness has been clearly established, its pathophysiology in various clinical conditions still remains poorly understoo

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Zarrinkoob, Laleh, Khalid Ambarki, Anders Wåhlin, Richard Birgander, Bo Carlberg, Anders Eklund, and Jan Malm. "Aging alters the dampening of pulsatile blood flow in cerebral arteries." Journal of Cerebral Blood Flow & Metabolism 36, no. 9 (July 20, 2016): 1519–27. http://dx.doi.org/10.1177/0271678x16629486.

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Excessive pulsatile flow caused by aortic stiffness is thought to be a contributing factor for several cerebrovascular diseases. The main purpose of this study was to describe the dampening of the pulsatile flow from the proximal to the distal cerebral arteries, the effect of aging and sex, and its correlation to aortic stiffness. Forty-five healthy elderly (mean age 71 years) and 49 healthy young (mean age 25 years) were included. Phase-contrast magnetic resonance imaging was used for measuring blood flow pulsatility index and dampening factor (proximal artery pulsatility index/distal artery

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Khaisheva, Larisa A., Sergey V. Shlyk, Azat S. Samakaev, Svetlana E. Glova, Anna A. Pirozhenko, and Liudmila Yu Samokhina. "The study of vascular wall stiffness in patients with arterial hypertension depending on some factors of risk and associated clinical conditions." CardioSomatics 10, no. 1 (March 15, 2019): 6–11. http://dx.doi.org/10.26442/22217185.2019.1.190187.

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Aim. To study the effect of gender, age, duration of disease and different forms of ischemic heart disease on the stiffness of the vascular wall in patients with arterial hypertension by determining the propagation velocity of the pulse wave. Materials and methods. In order to study the propagation velocity of the pulse wave it was examined 369 patients with the method of volumetric sphygmography. In all patients was diagnosed arterial hypertension I-III stage, 1-3 degree, besides 47 patients were diagnosed with stable angina I-III functional class, 50 patients had a history of prior myocardia

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Namba, Takayuki, Nobuyuki Masaki, Bonpei Takase, and Takeshi Adachi. "Arterial Stiffness Assessed by Cardio-Ankle Vascular Index." International Journal of Molecular Sciences 20, no. 15 (July 26, 2019): 3664. http://dx.doi.org/10.3390/ijms20153664.

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Arterial stiffness is an age-related disorder. In the medial layer of arteries, mechanical fracture due to fatigue failure for the pulsatile wall strain causes medial degeneration vascular remodeling. The alteration of extracellular matrix composition and arterial geometry result in structural arterial stiffness. Calcium deposition and other factors such as advanced glycation end product-mediated collagen cross-linking aggravate the structural arterial stiffness. On the other hand, endothelial dysfunction is a cause of arterial stiffness. The biological molecular mechanisms relating to aging a

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Dai, K., H. Xue, R. Dou, and Y. C. Fung. "On the Detection of Messages Carried in Arterial Pulse Waves." Journal of Biomechanical Engineering 107, no. 3 (August 1, 1985): 268–73. http://dx.doi.org/10.1115/1.3138552.

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The hypothesis is made that a disturbance in blood flow at one place can be detected in the arterial pulse waves at a distant site. This hypothesis was motivated by the traditional Chinese medicine which uses arterial pulse waves as a principal means of diagnosis. We formulated a test by asking whether a disturbance to the blood flow in a leg can be detected by changes in the pulse waves in the radial arteries. In particular, we ask whether the radial artery can differentiate a disturbance in the right leg from that in the left leg. We put force transducers on the radial arteries, depressed th

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Umapathy, E., S. T. Muthiraparampil, and A. Namugowa. "Assessment of variations in arterial tone during different phases of menstrual cycle." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 8, no. 5 (April 29, 2019): 1810. http://dx.doi.org/10.18203/2320-1770.ijrcog20191924.

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Background: Arterial tone parameters in young African women during the different phases of menstrual cycle were assessed in the present study.Methods: Out of the 30 student volunteers who participated in the study, only 15 completed the study. Anthropometric data using stadiometer, blood pressure using automated oscillometric pressure gauge were measured. Arterial stiffness parameters at the radial and ECG gated carotid and femoral arteries using sphygmocor tonometry was mesured in two consecutive menstrual cycles at early follicular, ovulation and luteal phase. Estrogen and progesterone conce

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Doupis, John, Nikolaos Papanas, Alison Cohen, Lyndsay McFarlan, and Edward Horton. "Pulse Wave Analysis by Applanation Tonometry for the Measurement of Arterial Stiffness." Open Cardiovascular Medicine Journal 10, no. 1 (August 31, 2016): 188–95. http://dx.doi.org/10.2174/1874192401610010188.

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The aim of our study was to investigate the association between pulse wave velocity (PWV) and pulse wave analysis (PWA)-derived measurements for the evaluation of arterial stiffness. A total of 20 (7 male and 13 female) healthy, non-smoking individuals, with mean age 31 ± 12years were included. PWV and PWA measurements were performed using a SphygmoCor apparatus (Atcor Medical Blood Pressure Analysis System, Sydney Australia). PWV significantly correlated with all central aortic haemodynamic parameters, especially with pulse pressure (PP) (p < 0.0001), augmentation index corrected for 75 pu

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Mocelin, Cláudia Debona, Marina Ribeiro Rocha, and Mariana Poltronieri Pacheco. "Triagem da síndrome hepatopulmonar: oximetria de pulso ou gasometria arterial?/ Hepatopulmonary syndrome screening: pulse oximetry or arterial gasometry?" Arquivos Médicos dos Hospitais e da Faculdade de Ciências Médicas da Santa Casa de São Paulo 64, no. 3 (November 27, 2019): 184. http://dx.doi.org/10.26432/1809-3019.2019.64.3.184.

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Objetivo: Avaliar se a realização rotineira da gasometria arterial em todos os pacientes cirróticos pode ser substituída pela oximetria de pulso isolada para a triagem de SHP. Material e métodos: Estudo observacional, individuado e transversal do tipo inquérito, por meio da análise dos prontuários dos pacientes do ambulatório de gastroenterologia e hepatologia do Hospital Santa Casa de Misericórdia de Vitória, localizado na cidade de Vitória - ES, e por meio da análise da gasometria arterial destes pacientes. Como critérios para o diagnóstico de cirrose, foram utilizados a história clínica, o

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O’Rourke, Michael F., Audrey Adji, and Michel E. Safar. "Structure and Function of Systemic Arteries: Reflections on the Arterial Pulse." American Journal of Hypertension 31, no. 8 (July 16, 2018): 934–40. http://dx.doi.org/10.1093/ajh/hpy084.

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Kislyak, O. A. Kislyak, and A. V. Starodubova Starodubova. "Pulse Wave Velocity and Pulse Pressure in Patients With Arterial Hypertension." Kardiologiia 5_2014 (May 18, 2014): 34–38. http://dx.doi.org/10.18565/cardio.2014.5.34-38.

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