Littérature scientifique sur le sujet « Cardiovascular system – ultrasonography »
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Articles de revues sur le sujet "Cardiovascular system – ultrasonography"
LAZARIDIS, LJ, et EA KIOSSIS. « Applications of ultrasonography in ruminants (I) : A Review. » Journal of the Hellenic Veterinary Medical Society 61, no 4 (22 mars 2018) : 339. http://dx.doi.org/10.12681/jhvms.14907.
Texte intégralDincer, Emre, Hamza Özer, Sevilay Topçuoğlu et Güner Karatekin. « Ultrasonography Causes Agitation and Pain Leading to Hemodynamic Disturbance in Neonates : A Prospective Observational Study ». Children 10, no 2 (10 février 2023) : 347. http://dx.doi.org/10.3390/children10020347.
Texte intégralDemková, Katarína, Tibor Varga et Ján Tokarčík. « Association of non-alcoholic fatty liver disease with cardiac structural impairment ». Gastroenterologie a hepatologie 76, no 4 (31 août 2022) : 341–46. http://dx.doi.org/10.48095/ccgh2022341.
Texte intégralBENEDETTO, FRANCESCO ANTONIO, FRANCESCA MALLAMACI, GIOVANNI TRIPEPI et CARMINE ZOCCALI. « Prognostic Value of Ultrasonographic Measurement of Carotid Intima Media Thickness in Dialysis Patients ». Journal of the American Society of Nephrology 12, no 11 (novembre 2001) : 2458–64. http://dx.doi.org/10.1681/asn.v12112458.
Texte intégralHe, Wei, Songnong Li, Hanguang Xiao, Chuanxiang Yu et Haitao Lin. « AN EMBEDDED MICROPROCESSOR UNIT-BASED PORTABLE NONINVASIVE ARTERIOSCLEROSIS DETECTING SYSTEM AND ITS EXPERIMENTAL STUDY ». Biomedical Engineering : Applications, Basis and Communications 25, no 06 (décembre 2013) : 1350051. http://dx.doi.org/10.4015/s1016237213500518.
Texte intégralKokhanenko, Nikolay Yurevich, Yuriy Nikolaevich Shiryajev, Andrey Lvovich Lugovoy, Sergey Alexandrovich Danilov et Lekso Zurabovich Gurtskaya. « Features of pathogenesis, clinical course and diagnosis of acute cholecystitis of patients with decompensated cardiovascular diseases ». Pediatrician (St. Petersburg) 6, no 4 (15 décembre 2015) : 62–68. http://dx.doi.org/10.17816/ped6462-68.
Texte intégralBastrikov, O. Yu, E. A. Grigoricheva, V. V. Belov et V. V. Milegov. « Association of arterial stiffness and cardiovascular system remodeling in patients with hypertension ». Kazan medical journal 95, no 4 (15 août 2014) : 485–90. http://dx.doi.org/10.17816/kmj1827.
Texte intégralKovaitė, Milda, Žaneta Petrulionienė, Ligita Ryliškytė, Jolita Badarienė, Alma Čypienė, Vilma Dženkevičiūtė et Aleksandras Laucevičius. « Relationship of arterial wall parameters to cardiovascular risk factors and cardiovascular risk assessed by SCORE system ». Medicina 43, no 7 (17 juin 2007) : 529. http://dx.doi.org/10.3390/medicina43070067.
Texte intégralOltean-Péter, Balázs, István Kovács, Monica Chițu et Imre Benedek. « The Role of Carotid Ultrasonography in Patients with High Risk of Atherosclerosis ». Journal of Interdisciplinary Medicine 3, no 4 (1 décembre 2018) : 229–33. http://dx.doi.org/10.2478/jim-2018-0029.
Texte intégralKweon, Ye-Na, Hae-Jin Ko, A.-Sol Kim, Hye-In Choi, Ji-Eun Song, Ji-Yeon Park, Sung-Min Kim, Hee-Eun Hong et Kyung-Jin Min. « Prediction of Cardiovascular Risk Using Nonalcoholic Fatty Liver Disease Scoring Systems ». Healthcare 9, no 7 (15 juillet 2021) : 899. http://dx.doi.org/10.3390/healthcare9070899.
Texte intégralThèses sur le sujet "Cardiovascular system – ultrasonography"
Ninno, Milena Almeida Prado. « Dopplervelocimetria do fluxo normal da valva tricúspide fetal entre 11 e 13 semanas e 6 dias de gestação ». Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/5/5139/tde-27052010-164819/.
Texte intégralObjective: To establish the measurements of normal tricuspid valve flow velocities at 11 to 13 weeks and 6 days to determine E-wave, A-wave, E/A ratio, cardiac cycle length, diastole length, diastole/cardiac cycle ratio, and their relationship with gestational age, nuchal translucency thickness, the characteristics of the study population, and to assess the reproducibility of flow measurements. Methods: Between February, 2006, and August, 2008, a total of 166 women with a singleton normal pregnancy between 11 and 13 + 6 weeks of gestation consented to participate in the study. Analysis of the waveforms consisted of calculation of peak velocity (cm/s) of the E-wave and A-wave, E-wave/A-wave ratio, cardiac cycle length (ms), diastole length (ms) and diastole/cardiac cycle ratio. To evaluate the intraobserver and interobserver agreement, a subgroup of 12 patients, chosen randomly, was examined twice by each examiner. For descriptive analysis of the results were calculated average and standard deviation. Simple and multivariate linear regression was used to establish the correlation between dopplervelocimetry among parameters and with gestational age, nuchal translucency thickness and the characteristics of the study population. Results: The average (± standard deviation) for transtricuspid flow-velocities waveforms parameters were: E-wave 25 (± 4.6) cm/s; A-wave 42.9 (± 5.9) cm/s; E/A ratio 0.58 (± 0.07); cardiac cycle length 390 (± 21.1) ms; diastole length 147 (± 18) ms; diastole/cardiac cycle length 0,38 (± 0.04). A statistically significant linear increase relative to gestational age was established for all parameters, except A-wave. Nuchal translucency thickness was not correlated with any parameter. A statistically significant negative regression coefficient was established for E-wave to maternal age (r=-0,18, p=0,04). A statistically significant relationship was established between: cardiac cycle length and diastole length (r=0.53; p<0.0001); diastole length and A-wave velocity (r=-0.15; p=0.05); E-wave and A-wave velocities (r=0.77; p<0.0001); E-wave velocity and D/C ratio (r=0.16; p=0.04); A-wave velocity and D/C ratio (r=-0.17; p=0.03). The intraclass correlation coeficients of interobserver and intraobsever evaluations (examiners 1 and 2) were: Ewave = 0.53 (0.53 and 0.64); A-wave = 0.45 (0.46 and 0.49); cardiac cycle = 0.70 (0.79 and 0.84) and diastole= 0.63 (0.85 and 0.82). Conclusions: These data determine normal parameters for tricuspid valve dopplervelocimetry and shows that these parameters, except A-wave, have positive correlation with gestational age, and good/moderate reproducibility.
Koegelenberg, Suretha. « Application of laser doppler vibrocardiography for human heart auscultation ». Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86649.
Texte intégralENGLISH ABSTRACT: This thesis investigates the feasibility of the laser Doppler vibrometer (LDV) for use in the autonomous auscultation of the human heart. As a non-contact measurement device, the LDV could become a very versatile biomedical sensor. LDV, stethoscope, piezoelectric accelerometer (PA) and electrocardiogram (ECG) signals were simultaneously recorded from 20 volunteers at Tygerberg Hospital. Of the 20 volunteers, 17 were confirmed to have cardiovascular disease. 3 patients with normal heart sounds were recorded for control data. The recorded data was successfully denoised using soft threshold wavelet denoising and ensemble empirical mode decomposition. The LDV was compared to the PA in common biomedical applications and found to be equally accurate. The heart sound cycles for each participant were segmented using a combination of ECG data and a simplicity curve. Frequency domain features were extracted from each heart cycle and input into a k-nearest neighbours classifier. It was concluded that the LDV can form part of an autonomous, non-contact auscultation system.
AFRIKAANSE OPSOMMING: Hierdie tesis ondersoek die haalbaarheid daarvan om die laser Doppler vibrasiemeter (LDV) vir die outonome beluistering van die menslike hart te gebruik. As 'n kontaklose meettoestel kan die LDV werklik 'n veelsydige biomediese sensor word. Twintig vrywilligers by die Tygerberg Hospitaal se LDV-, stetoskoop-, piësoelektriese versnellingsmeter (PV)- en elektrokardiogram (EKG) seine is gelyktydig opgeneem. Uit die 20 vrywilligers was daar 17 bevestigde gevalle van kardiovaskulêre siektes. Die data van drie pasiënte met normale hartklanke is as kontroledata opgeneem. Geraas is suksesvol uit die opgeneemde data verwyder deur 'n kombinasie van sagtedrempelgolf en saamgestelde empiriese modus ontladingstegnieke. Die LDV was vergelyk met die PV vir algemene biomediese gebruike en daar was gevind dat dit vergelykbare akkuraatheid het. Die hartklanksiklusse van elke deelnemer is gesegmenteer deur EKG data en 'n eenvoudskromme te kombineer. Frekwensiegebiedskenmerke is uit elke hartsiklus onttrek en in 'n k-naastebuurpunt klassifiseerder ingevoer. Daar is tot die gevolgtrekking gekom dat die LDV deel van 'n outonome, kontaklose beluisteringstelsel kan uitmaak.
Livres sur le sujet "Cardiovascular system – ultrasonography"
Abdul-Majeed, Salmasi, et Nicolaides Andrew N, dir. Cardiovascular applications of Doppler ultrasound. Edinburgh : Churchill Livingstone, 1989.
Trouver le texte intégral1962-, Saijo Y., et Steen, A. F. W. van der 1964-, dir. Vascular ultrasound. Tokyo : Springer, 2003.
Trouver le texte intégralMayer, William V. Work of the heart. 2e éd. Chicago, Ill : Encyclopaedia Britannica Educational Corp., 1988.
Trouver le texte intégralS, Abela George, Katzir Abraham, Society of Photo-optical Instrumentation Engineers. et Conference on Diagnostic and Therapeutic Cardiovascular Interventions (1992 : Los Angeles, Calif.), dir. Proceedings of diagnostic and therapeutic cardiovascular intervention II : 19-20 January 1992, Los Angeles, California. Bellingham, WA : SPIE (The Society of Photo-optical Instrumentation Engineers), 1992.
Trouver le texte intégralS, Sideman, Beyar Rafael, Ṭekhniyon Makhon ṭekhnologi le-Yiśraʼel et International Henry Goldberg Workshop (1984 : Haifa, Israel), dir. Simulation and imaging of the cardiac system : State of the heart. Boston : M. Nijhoff Publishers, 1985.
Trouver le texte intégralS, Abela George, Katzir Abraham et Society of Photo-optical Instrumentation Engineers., dir. Proceedings of diagnostic and therapeutic cardiovascular interventions IV : 22-23 January 1994, Los Angeles, California. Bellingham, Wash., USA : SPIE, 1994.
Trouver le texte intégralM, Otto Catherine, dir. The practice of clinical echocardiography. Philadelphia : W.B. Saunders, 1997.
Trouver le texte intégralM, Otto Catherine, dir. The practice of clinical echocardiography. 3e éd. Philadelphia, PA : Saunders/Elsevier, 2007.
Trouver le texte intégralM, Otto Catherine, dir. The practice of clinical echocardiography. 3e éd. Philadelphia, PA : Saunders/Elsevier, 2007.
Trouver le texte intégralM, Otto Catherine, dir. The practice of clinical echocardiography. 2e éd. Philadelphia : W.B. Saunders, 2002.
Trouver le texte intégralChapitres de livres sur le sujet "Cardiovascular system – ultrasonography"
Tartaglia, Marco, et Bruce D. Gelb. « RAS Signaling Defects and Noonan Syndrome ». Dans Inborn Errors Of Development, 620–31. Oxford University PressNew York, NY, 2008. http://dx.doi.org/10.1093/oso/9780195306910.003.0063.
Texte intégralActes de conférences sur le sujet "Cardiovascular system – ultrasonography"
Rose, William C., David Johnson, Justin Spaeth, Jonathan Edwards et Antony Beris. « Computational and Experimental Investigation of Arterial Hemodynamics ». Dans ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-67860.
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