Academic literature on the topic 'Cardiac Video Kinematic'

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Journal articles on the topic "Cardiac Video Kinematic"

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Fassina, Lorenzo, Marisa Cornacchione, Manuela Pellegrini та ін. "Model of Murine Ventricular Cardiac Tissue for In Vitro Kinematic-Dynamic Studies of Electromagnetic and β-Adrenergic Stimulation". Journal of Healthcare Engineering 2017 (2017): 1–7. http://dx.doi.org/10.1155/2017/4204085.

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In a model of murine ventricular cardiac tissue in vitro, we have studied the inotropic effects of electromagnetic stimulation (frequency, 75 Hz), isoproterenol administration (10 μM), and their combination. In particular, we have performed an image processing analysis to evaluate the kinematics and the dynamics of beating cardiac syncytia starting from the video registration of their contraction movement. We have found that the electromagnetic stimulation is able to counteract the β-adrenergic effect of isoproterenol and to elicit an antihypertrophic response.
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Rozzi, Giacomo, Francesco P. Lo Muzio, Camilla Sandrini, et al. "Real-time video kinematic evaluation of the in situ beating right ventricle after pulmonary valve replacement in patients with tetralogy of Fallot: a pilot study." Interactive CardioVascular and Thoracic Surgery 29, no. 4 (2019): 625–31. http://dx.doi.org/10.1093/icvts/ivz120.

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Abstract OBJECTIVES The timing for pulmonary valve replacement (PVR) after tetralogy of Fallot repair is controversial, due to limitations in estimating right ventricular dysfunction and recovery. Intraoperative imaging could add prognostic information, but transoesophageal echocardiography is unsuitable for exploring right heart function. Right ventricular function after PVR was investigated in real time using a novel video-based contactless kinematic evaluation technology (Vi.Ki.E.), which calculates cardiac fatigue and energy consumption. METHODS Six consecutive patients undergoing PVR at 1
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Fassina, Lorenzo, Giovanni Magenes, Roberto Gimmelli, and Fabio Naro. "Modulation of the Cardiomyocyte Contraction inside a Hydrostatic Pressure Bioreactor:In VitroVerification of the Frank-Starling Law." BioMed Research International 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/542105.

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We have studied beating mouse cardiac syncytiain vitroin order to assess the inotropic, ergotropic, and chronotropic effects of both increasing and decreasing hydrostatic pressures. In particular, we have performed an image processing analysis to evaluate the kinematics and the dynamics of those pressure-loaded beating syncytia starting from the video registration of their contraction movement. By this analysis, we have verified the Frank-Starling law of the heart inin vitrobeating cardiac syncytia and we have obtained their geometrical-functional classification.
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Lo Muzio, Francesco Paolo, Giacomo Rozzi, Stefano Rossi, et al. "Artificial Intelligence Supports Decision Making during Open-Chest Surgery of Rare Congenital Heart Defects." Journal of Clinical Medicine 10, no. 22 (2021): 5330. http://dx.doi.org/10.3390/jcm10225330.

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The human right ventricle is barely monitored during open-chest surgery due to the absence of intraoperative imaging techniques capable of elaborating its complex function. Accordingly, artificial intelligence could not be adopted for this specific task. We recently proposed a video-based approach for the real-time evaluation of the epicardial kinematics to support medical decisions. Here, we employed two supervised machine learning algorithms based on our technique to predict the patients’ outcomes before chest closure. Videos of the beating hearts were acquired before and after pulmonary val
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Ayers, B., G. Olverson, A. Aguirre, S. Rabi, A. Osho, and D. D'Alessandro. "Non-Invasive Beating Heart Video Kinematics Correlate with Cardiac Function During Ex-Vivo Perfusion." Journal of Heart and Lung Transplantation 43, no. 4 (2024): S157. http://dx.doi.org/10.1016/j.healun.2024.02.317.

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Fassina, Lorenzo, Antonio Di Grazia, Fabio Naro, Lucia Monaco, Maria Gabriella Cusella De Angelis, and Giovanni Magenes. "Video Evaluation of the Kinematics and Dynamics of the Beating Cardiac Syncytium: An Alternative to the Langendorff Method." International Journal of Artificial Organs 34, no. 7 (2011): 546–58. http://dx.doi.org/10.5301/ijao.2011.8510.

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Rozzi, G., F. Ranieri, S. Rossi, et al. "Novel evaluation of cardiac kinematics/dynamics parameters for in-situ heart by a high-speed bright-field video mapping validated by epicardial multiple lead recording." Vascular Pharmacology 75 (December 2015): 68–69. http://dx.doi.org/10.1016/j.vph.2015.11.070.

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Nastenko, Ievgen, Vitaliy Maksymenko, Sergiy Potashev, et al. "Random Forest Algorithm Construction for the Diagnosis of Coronary Heart Disease Based on Echocardiography Video Data Streams." Innovative Biosystems and Bioengineering 5, no. 1 (2021): 61–69. http://dx.doi.org/10.20535/ibb.2021.5.1.225794.

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Background. Recent studies show that cardiovascular diseases, including coronary heart disease, are the leading causes of death and one of the main factors of disability worldwide. The detection of cases of this type of disease over the past 30 years has increased from 271 million to 523 million and the number of deaths – from 12.1 million to 18.6 million. Cardiovascular diseases are the main cause of death among the population of Ukraine and, according to this indicator, the country remains one of the world leaders. Coronary heart disease is the leading factor in the loss of health in Ukraine
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Dickson, Kathryn A., Jeanine M. Donley, Chugey Sepulveda, and Lisa Bhoopat. "Effects of temperature on sustained swimming performance and swimming kinematics of the chub mackerelScomber japonicus." Journal of Experimental Biology 205, no. 7 (2002): 969–80. http://dx.doi.org/10.1242/jeb.205.7.969.

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SUMMARYThe effects of a 6°C difference in water temperature on maximum sustained swimming speed, swimming energetics and swimming kinematics were measured in the chub mackerel Scomber japonicus (Teleostei:Scombridae), a primarily coastal, pelagic predator that inhabits subtropical and temperate transition waters of the Atlantic, Pacific and Indian Oceans. New data for chub mackerel acclimated to 18°C are compared with published data from our laboratory at 24°C. Twelve individuals acclimated to each of two temperatures (15.6-26.3 cm fork length, FL, and 34-179g at 18°C; 14.0-24.7 cm FL and 26-1
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Rozzi, Giacomo, Francesco Paolo Lo Muzio, Lorenzo Fassina, et al. "Right ventricular functional recovery depends on timing of pulmonary valve replacement in tetralogy of Fallot: a video kinematic study." European Journal of Cardio-Thoracic Surgery, February 6, 2021. http://dx.doi.org/10.1093/ejcts/ezab026.

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Abstract OBJECTIVES Indications for and timing of pulmonary valve replacement (PVR) after tetralogy of Fallot repair are controversial. Among magnetic resonance imaging indices proposed to time valve replacement, a right ventricular (RV) end-diastolic volume index greater than 160 ml/m2 is often used. Recent evidence suggests that this value may still identify patients with irreversible RV dysfunction, thus hindering recovery. Our goal was to define, using intraoperative video kinematic evaluation, whether a relationship exists between timing of PVR and early functional recovery after surgery.
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Dissertations / Theses on the topic "Cardiac Video Kinematic"

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Muzio, Francesco Paolo Lo. "Video Kinematic Evaluation: new insights on the cardiac mechanical function." Doctoral thesis, 2022. http://hdl.handle.net/11562/1069146.

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The cardiac mechanical function plays a critical role in governing and regulating its performance under both normal and pathological conditions. The left ventricle has historically received more attention in both congenital and acquired heart diseases and was considered as the mainstay of normal hemodynamics. However, over the past few decades, there has been increasing recognition of the pivotal role of the right ventricle in determining functional performance status and prognosis in multiple conditions. Nonetheless, the ventricles should not be considered separately as they share the
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Rozzi, Giacomo. "VIDEO KINEMATIC EVALUATION OF THE HEART (VI.KI.E.): AN IDEA, A PROJECT, A REALITY." Doctoral thesis, 2020. http://hdl.handle.net/11562/1017185.

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Introduction: The technological development of the last 20 years pledges the intensity of efforts for implementing novel imaging contactless modalities that accelerate the translation from the research bench to the patient bedside, especially in the cardiac field. In this work, a novel intraoperative cardiac imaging approach, named Video Kinematic Evaluation (Vi.Ki.E.), is presented and explained in detail. This technology is able to monitor, contactless, the cardiac mechanics and deformation in-situ during heart surgery. Cardiac kinematics have been deeply evaluated ranging from the experimen
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