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Tesi sul tema "Blood pressure"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Sorvoja, H. (Hannu). "Noninvasive blood pressure pulse detection and blood pressure determination." Doctoral thesis, University of Oulu, 2006. http://urn.fi/urn:isbn:9514282728.

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Abstract This thesis describes the development of pressure sensor arrays and a range of methods suitable for the long-term measurement of heart rate and blood pressure determination using a cuff and a pressure sensor array on the radial artery. This study also reviews the historical background of noninvasive blood pressure measurement methods, summarizes the accuracies achieved and explains the requirements for common national and international standards of accuracy. Two prototype series of pressure transducer arrays based on electro-mechanical film (EMFi) were designed and tested. By offeri

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2

Citty, Sandra Wolfe. "Ambulatory blood pressure biosituational feedback and systolic blood pressure estimation." [Gainesville, Fla.]: University of Florida, 2003. http://purl.fcla.edu/fcla/etd/UFE0000663.

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3

Guilcher, Antoine. "Central blood pressure." Thesis, King's College London (University of London), 2012. https://kclpure.kcl.ac.uk/portal/en/theses/central-blood-pressure(cfe1a0fc-56e8-4338-a6aa-462c6d6de0bb).html.

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Central aortic systolic blood pressure (cSBP) differs from peripheral systolic blood pressure (pSBP) measured in the arm. cSBP may be estimated non-invasively by application of a generalised transfer function (GIF) to a high fidelity peripheral arterial waveform or from the late systolic shoulder (SBP2) of such a waveform. The relative accuracy of these estimates and the degree to which they depend on the accuracy of peripheral blood pressure is unknown. The interest in estimates of central blood pressure is driven in large part by the fact that aortic pulse pressure (cPP) is thought to be a b

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4

Misner, Scottie. "High Blood Pressure." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2010. http://hdl.handle.net/10150/146443.

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5

Soueidan, Karen. "Augmented blood pressure measurement through the estimation of physiological blood pressure variability." Thesis, University of Ottawa (Canada), 2010. http://hdl.handle.net/10393/28828.

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Current noninvasive blood pressure (BP) measurement methods estimate the systolic and diastolic blood pressure (SBP and DBP) at two random instants in time. The BP variability and its serious consequences on the measurement are not recognized by most physicians. The standard for automated BP devices sets a maximum allowable system error of +/- 5 mmHg, even though natural BP variability often exceeds these limits. This thesis characterizes the variability of SBP and DBP and proposes a new approach to augment the conventional noninvasive measurement using simultaneous recordings of the oscillome

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6

Abel, Evan Dale. "Insulin and blood pressure." Thesis, University of Oxford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.257939.

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7

Wang, Fa-Liang. "Blood pressure monitoring system /." Online version of thesis, 1992. http://hdl.handle.net/1850/11172.

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8

Carstairs, Rachael Caroline. "Human cardiovascular responses to positive pressure breathing with counter pressure." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322225.

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9

Swoboda, Marek Lec Ryszard Joseph Jeffrey. "Implantable arterial blood pressure sensor /." Philadelphia, Pa. : Drexel University, 2004. http://hdl.handle.net/1860/2968.

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10

Ahmed, Niaz. "Blood pressure in acute ischaemic stroke : blood pressure and stress in the acute phase of stroke and influence of initial blood pressure on stroke-outcome /." Stockholm, 2003. http://diss.kib.ki.se/2003/91-7349-700-2/.

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11

Mueller, Jonathon. "The effect of differentiation technique utilized in continuous noninvasive blood pressure measurement." Akron, OH : University of Akron, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=akron1145295553.

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Thesis (M.S.)--University of Akron, Dept. of Biomedical Engineering, 2006.<br>"May, 2006." Title from electronic thesis title page (viewed 01/16/2008) Advisor, Dale Mugler; Co-Advisor, Bruce Taylor; Committee member, Daniel Sheffer; Department Chair, Daniel Sheffer; Dean of the College, George K. Haritos; Dean of the Graduate School, George R. Newkome. Includes bibliographical references.

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12

Svensson, Per. "Blood pressure, blood pressure variability and myocardial ischemia : studies in patients with peripheral arterial disease and matched control subjects /." Stockholm, 2004. http://diss.kib.ki.se/2004/91-7349-826-2.

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13

Ng, Kim-Gau. "Oscillometric blood pressure measurement and simulation." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq20572.pdf.

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14

Luik, A. J. "Blood pressure control in hemodialysis patients." [Maastricht : Maastricht : Universiteit Maastricht] ; University Library, Maastricht University [Host], 1998. http://arno.unimaas.nl/show.cgi?fid=5947.

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15

Kattach, Hassan. "Blood pressure control in aortic stenosis." Thesis, University of Oxford, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.526473.

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16

Clark, Phillipa Margaret. "Childhood blood pressure : aspects of programming." Thesis, University of Southampton, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242550.

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17

Zakrzewski, Aaron Michael. "Arterial blood pressure estimation using ultrasound." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/111743.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 155-163).<br>While blood pressure is commonly used by doctors as an indicator of patient health, the available techniques to measure the quantity suffer from many inconveniences such as cutting off blood flow, being cumbersome to use, being invasive, or being inaccurate. The research addresses many of these inconveniences by developing and evaluating a novel ultrasound-based blood pressure measurement technique

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18

Huang, Zijian. "Statistical methods for blood pressure prediction." HKBU Institutional Repository, 2020. https://repository.hkbu.edu.hk/etd_oa/801.

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Blood pressure is one of the most important indicators of human health. The symptoms of many cardiovascular diseases like stroke, atrial fibrillation, and acute myocardial infarction are usually indicated by the abnormal variation of blood pressure. Severe symptoms of diseases like coronary syndrome, rheumatic heart disease, arterial aneurysm, and endocarditis also usually appear along with the variation of blood pressure. Most of the current blood pressure measurements rely on the Korotkoff sounds method that focuses on one-time blood pressure measuring but cannot supervise blood pressure con

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19

Morrell, Stephen L. "Aircraft noise and child blood pressure." Connect to full text, 2003. http://hdl.handle.net/2123/594.

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Thesis (Ph. D.)--University of Sydney, 2003.<br>Title from title screen (viewed Apr. 29, 2008). Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the School of Public Health, Faculty of Medicine. Includes bibliography. Also available in print form.

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20

Morrell, Stephen Louis. "Aircraft noise and child blood pressure." Thesis, The University of Sydney, 2003. http://hdl.handle.net/2123/594.

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The purpose of the study was to examine the existence of an association between child blood pressure (BP) and exposure to domestic jet aircraft noise in the context of the construction of a new parallel north-south runway at Sydney (Kingsford-Smith) Airport. The baseline study was commissioned and funded by the Federal Airports Corporation (FAC), with measurements conducted in 1994 and 1995. A follow-up longitudinal component to the study was subsequently commissioned and funded by the FAC in 1997, and measurements conducted in the same year. As the same individuals were measured and re

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21

Morrell, Stephen Louis. "Aircraft noise and child blood pressure." University of Sydney. Public Health, 2003. http://hdl.handle.net/2123/594.

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The purpose of the study was to examine the existence of an association between child blood pressure (BP) and exposure to domestic jet aircraft noise in the context of the construction of a new parallel north-south runway at Sydney (Kingsford-Smith) Airport. The baseline study was commissioned and funded by the Federal Airports Corporation (FAC), with measurements conducted in 1994 and 1995. A follow-up longitudinal component to the study was subsequently commissioned and funded by the FAC in 1997, and measurements conducted in the same year. As the same individuals were measured and re

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22

Corradetti, Alessandra. "Ambulatory blood pressure monitoring in pregnancy." Doctoral thesis, Università Politecnica delle Marche, 2011. http://hdl.handle.net/11566/243017.

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Hypertensive disorders are among the most common medical complications of pregnancy and a leading cause of maternal and perinatal morbidity and mortality world-wide. Blood pressure measurement plays a central role in the screening and management of hypertension during pregnancy. In recent years the validity of conventional (clinic) blood pressure measurement has been questioned and efforts have been made to improve the technique with ambulatory automated devices that provide a large number of measurements over a period of time, usually a 24-hour period. This review focuses the application and

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23

Kumagai, Kyoko. "Central blood pressure relates more strongly to retinal arteriolar narrowing than brachial blood pressure: The Nagahama Study." Kyoto University, 2015. http://hdl.handle.net/2433/199173.

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24

Jonnada, Srikanth. "Cuff-less Blood Pressure Measurement Using a Smart Phone." Thesis, University of North Texas, 2012. https://digital.library.unt.edu/ark:/67531/metadc115102/.

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Abstract (sommario):

Blood pressure is vital sign information that physicians often need as preliminary data for immediate intervention during emergency situations or for regular monitoring of people with cardiovascular diseases. Despite the availability of portable blood pressure meters in the market, they are not regularly carried by people, creating a need for an ultra-portable measurement platform or device that can be easily carried and used at all times. One such device is the smartphone which, according to comScore survey is used by 26.2% of the US adult population. the mass production of these phones with

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25

Tronvik, Erling. "Migraine, blood pressure andthe renin- angiotensin system." Doctoral thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for nevromedisin, 2009. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-5398.

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26

Mafi, Majid. "Blood Pressure Estimation Using Oscillometric Pulse Morphology." Thesis, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/20630.

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This thesis work presents the analysis of Oscillometric blood pressure pulse waveform under different pressure points (Systolic, Mean Arterial, and Diastolic Pressures). Pulse waveforms' characteristics were determined from the waveforms at three different pressures and are compared for subjects at three different age groups. Estimation of blood pressure using a morphology based approach was done by using the change of pulse waveform characteristics at different pressure points. Pulse waveforms' characteristics that were obtained from pulse waveforms are utilized to estimate SBP, MAP, and DBP.

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27

Lin, Han-Chun (Vivien). "Specialised non-invasive blood pressure measurement algorithm." AUT University, 2007. http://hdl.handle.net/10292/976.

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Blood pressure is one of the fundamental clinical measures. For more than 100 years, clinicians and researchers have used the mercury sphygmomanometer for blood pressure measurement. Environmental concern about mercury contamination has highlighted the need to find a replacement for traditional mercury sphygmomanometers. A number of currently used non-invasive blood pressure measurement methods have been studied in this research. The most commonly used automatic pressure monitoring method nowadays is the Oscillometric method. Height-based and Slope-based criteria are the two general means used

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28

Brown, Ian James. "Carbohydrate intake and blood pressure : INTERMAP study." Thesis, Imperial College London, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.443830.

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The International Collaborative Study of Macronutrients, Micronutrients and Blood Pressure (INTERMAP) is a cross-sectional study investigating the role of macronutrients in blood pressure (BP). Data included four 24-hour dietary recalls; two 24-hour urine collections; eight BP readings; and questionnaire data for 4,680 men and women aged 40-59 years from 17 population samples in four countries (Japan, People's Republic of China, United Kingdo'm [UK], and United States of America [USA]). Aims were to (1) test the hypothesis that there ,. a direct relation of dietary starch intake to the systoli

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29

Geeganage, Chamila Manohari. "Management of Blood Pressure in Acute stroke." Thesis, University of Nottingham, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.523082.

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30

Sare, Gillian Mary. "high blood pressure in acute ischaemic stroke." Thesis, University of Nottingham, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.537647.

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31

Ma, Po-wing, and 馬寶詠. "Effects of blood pressure on neurocognitive functions." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/209531.

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Prior clinical studies have documented that high blood pressure is one of the prominent risk factors leading to cerebrovascular disease and subsequent cognitive impairment. The present study aims to examine the relationship between blood pressure and brain and cognitive function in a community sample. This study recruited 41 elderly persons aged 60–70. Multiple imaging modalities were adopted to assess white matter microstructure, regional brain volume, and resting-state neural activity while a set of neuropsychological tests was used to assess cognitive function. With blood pressure measured

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32

Muñoz, Aguilera Eva Mª. "Periodontitis and Blood Pressure: Exploring the Association." Doctoral thesis, Universitat Internacional de Catalunya, 2021. http://hdl.handle.net/10803/673279.

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Background: Recent evidence suggests a link between periodontitis and hypertension; however, the nature and magnitude of the association are yet to be determined. The aim of this PhD was to further our understanding of this relationship. Material & Methods: To investigate the research hypothesis, three studies were conducted. A robust systematic review (part 1) intended to ascertain whether patients with periodontitis were more likely to have hypertension when compared to those without periodontitis. Secondary objectives evaluated i: linear relationship between periodontitis (extent/sev

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33

Zhou, Bin. "Worldwide trends in blood pressure and diabetes." Thesis, Imperial College London, 2017. http://hdl.handle.net/10044/1/56634.

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High blood pressure and diabetes are leading causes of loss of health and included in the targets set by the World Health Organization to control non-communicable diseases (NCDs) globally. My thesis aims to provide comparable estimates of levels and trends in blood pressure and diabetes worldwide. Data were collated via the NCD Risk Factor Collaboration (NCD-RisC) network, from population-based studies that had measured blood pressure from 1975 to 2015, or had measured one or more biomarkers of diabetes from 1980 to 2014. A total of 1,479 studies with 19.1 million participants aged 18 years or

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34

Schroeder, Knut. "Improving adherence to blood pressure lowering medication." Thesis, University of Bristol, 2003. http://hdl.handle.net/1983/799b44ff-e10d-49c6-80a3-363521922f9c.

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Lack of adherence to long-tenn therapies has been recognised for many years as a major problem, commonly undennining the effectiveness of medical care. The main objectives of this thesis were to evaluate the effect of nurse-led adherence support compared with usual care on adherence, blood pressure and costs, and to compare a newly developed adherence self-report tool with electronic monitoring. A total of 245 uncontrolled hypertensive patients with a diagnosis of essential hypertension were recruited in 22 general practices in Avon. A validation study of an adherence self-report tool compared

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35

Takahashi, Osamu. "Evaluation of lower limb blood pressure measurement." Kyoto University, 2006. http://hdl.handle.net/2433/143812.

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36

Larkins, Nicholas George. "Blood pressure and albuminuria among Australian children." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/20227.

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There is a progressive and substantial shift in the global burden of disease towards non-communicable diseases, of which high blood pressure is one of the most important. While the relationship between blood pressure and risk is a continuous one, modified by individual- and population-level risk factors, the term hypertension is often applied to denote a blood pressure threshold associated with increased mortality that might justify intervention. Hypertension is a lifecourse disease with risk-factors that begin in early life playing an important role in establishing adverse risk trajectories.

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37

Lynch, Dorine A. "Basic Quality Care Blood Pressure Teaching Plan." ScholarWorks, 2019. https://scholarworks.waldenu.edu/dissertations/7821.

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Hypertension (HTN) is a leading risk factor for cardiovascular disease complications, disability, and mortality. Delayed detection of HTN increases the risk of the patient developing heart disease, renal failure, and stroke, which are among the leading causes of death in the US. Educating healthcare providers is, therefore, necessary to ensure accuracy when measuring blood pressure (BP) to improve the likelihood of early detection and commencement of treatment. The BP teaching project involved the development of an evidence-based teaching program to educate nurses at an East Coast Veterans' Ad

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38

Jones, Martin A. "Ambulatory blood pressure monitoring in the assessment of blood pressure variations and control in patients with chronic renal failure." Thesis, University of Bristol, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336936.

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39

Oke, Adekunle, Esther Adeniran, Christian Nwabueze, and Nathan Hale. "Association between Home Blood Pressure Monitoring and Total Office Visits among Medicare Beneficiaries with self-reported High Blood Pressure." Digital Commons @ East Tennessee State University, 2021. https://dc.etsu.edu/asrf/2021/presentations/30.

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High blood pressure (BP) is the most significant risk factor for cardiovascular disease and a major contributor to chronic disease burden in the United States. Chronic conditions are the most common reason for office-based physician visits among adults, accounting for 37% of all visits. Home BP monitoring when combined with clinical support may help engagement with care and improve condition control. This study examines the extent to which home BP measurement is associated with total office visits among Medicare beneficiaries with self-reported high BP and the influence by other related factor

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40

O'Flynn, Ellen Ivy. "Comparison of methods of measuring the brachial systolic pressure in determining the ankle/brachial index." Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/29735.

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This study was designed to determine which method of measuring the systolic blood pressure is more accurate when determining the ankle/brachial index (ABI), which is an important tool in assessing graft patency for patients who have had peripheral vascular surgery. The accuracy of the stethoscope diaphragm was compared with the stethoscope bell and Doppler methods used to measure the brachial systolic pressure. These pressures were then used in the calculation of the ABI and then the ABI was compared by method and time since surgery. The theoretical framework for this study was drawn from the

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41

Jayasinghe, Dulip. "The effect of blood pressure on the cerebral blood flow of preterm infants." Thesis, University of Leeds, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.490972.

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During the early postnatal period, some preterm infants experience periods of hypoxia, hypotension or both. Hypotension is associated with significant cerebral lesions and contributes to morbidity and mortality. The aetiology of the lesions is thought to be secondary to a loss of Cerebral Blood Flow (CBF) autoregulation, resulting in a pressure-passive CBF. Treatment of hypotension may require the use of inotropic agents that may also affect CBF. CBF can be measured by a number of techniques; one quantitative method is the intravenous 133Xe technique. To investigate the effects of blood pressu

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42

Radhakrishna, Smitha. "Commercialization of contact-free blood pressure monitoring technology." Cleveland, Ohio : Case Western Reserve University, 2010. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=case1270228233.

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43

Wikström, Martin. "Compensating for Respiratory Artifacts in Blood Pressure Waveforms." Thesis, Linköping University, Department of Electrical Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2942.

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<p>Cardiac catheterization has for a long time been a valuable way to evaluate the hemodynamics of a patient. One of the benefits is that the entire blood pressure waveform can be recorded and visualized to the cardiologist. These measurements are however disturbed by different phenomenon, such as respiration and the dynamics of the fluid filled catheter, which introduces artifacts in the blood pressure waveform. If these disturbances could be removed, the measurement would be more accurate. This report focuses on the effects of respiratory artifacts in blood pressure signals during cardiac ca

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44

Baktash, Seddigheh. "Ratio-Independent Arterial Stiffness-Based Blood Pressure Estimation." Thesis, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/30971.

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Blood pressure is one of the crucial vital signs that still lacks measurement accuracy in clinical environments. It is reported by physicians that automated non-invasive blood pressure measurement devices, which are usually based on the oscillometric method, do not provide accurate estimation of blood pressure. This problem has been addressed in this work by incorporating arterial stiffness in blood pressure measurement. Pulse transit time is first used to estimate arterial stiffness parameters. Afterwards, these parameters are fixed into a model of the oscillometric envelope which can then be

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45

Correia, Anabela G. 1975. "The renal medullary circulation and blood pressure control." Monash University, Dept. of Physiology, 2001. http://arrow.monash.edu.au/hdl/1959.1/8480.

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46

Johnson, J. V. "Vasopressin and blood pressure regulation in the rat." Thesis, University of Nottingham, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376525.

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47

Hylton, P. Antoinette. "Blood pressure and lifestyle in UK African-Caribbeans." Thesis, City University London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363352.

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48

Bull, Adrian Richard. "Early determinants of blood pressure and related disease." Thesis, University of Southampton, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238962.

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49

Sun, James Xin. "Cardiac output estimation using arterial blood pressure waveforms." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/41625.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2006.<br>Includes bibliographical references (p. 73-74).<br>Cardiac output (CO) is a cardinal parameter of cardiovascular state, and a fundamental determinant of global oxygen delivery. Historically, measurement of CO has been limited to critically-ill patients, using invasive indicator-dilution methods such as thermodilution via Swan-Ganz lines, which carry risks. Over the past century, the premise that CO could be estimated by analysis of the arterial blood pressure (ABP) waveform h

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50

Barrera, Vergara Lena. "Factors affecting blood pressure control in primary care." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/18090.

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Background: Hypertension is the main cardiovascular risk factor. Worldwide, 40% of adults aged 25 years and over have hypertension. Only around 25% of hypertensive patients had controlled hypertension (CH). I assessed the association between individual factors, physician factors and health system factors with having CH. Methods: Population included 17252 hypertensive adults (HA) registered with 28 general practices in Wandsworth, London between 1998 and 2007. Comparison of two blood pressure targets was performed by cross-sectional analysis. Changes in antihypertensive prescribing were evaluat

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