Výsledky vyhledávání - Cardiovascular::Heart Function Tests::Cardiac Output::Stroke Volume

Cardiac output response to exercise in relation to metabolic demand in heart failure with preserved ejection fraction Autor Abudiab, Muaz M., Redfield, Margaret M., Melenovsky, Vojtech, Olson, Thomas P., Kass, David A., Johnson, Bruce D., Borlaug, Barry A.

“… (VO2) during upright or supine exercise. At rest, HFpEF patients had higher LV filling pressures but similar heart rate, stroke volume, EF, and CO…”
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Disproportionate exercise‐induced pulmonary hypertension in relation to cardiac output in heart failure with preserved ejection fraction: a non‐invasive echocardiographic study Autor Saito, Yuki, Obokata, Masaru, Harada, Tomonari, Kagami, Kazuki, Sorimachi, Hidemi, Yuasa, Naoki, Kato, Toshimitsu, Wada, Naoki, Okumura, Yasuo, Ishii, Hideki

“… This can be estimated non‐invasively by the mean pulmonary artery pressure–cardiac output relationship (mPAP/CO slope…”
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Ketone body 3-hydroxybutyrate elevates cardiac output through peripheral vasorelaxation and enhanced cardiac contractility Autor Homilius, Casper, Seefeldt, Jacob Marthinsen, Axelsen, Julie Sørensen, Pedersen, Tina Myhre, Sørensen, Trine Monberg, Nielsen, Roni, Wiggers, Henrik, Hansen, Jakob, Matchkov, Vladimir V., Bøtker, Hans Erik, Boedtkjer, Ebbe

“…The ketone body 3-hydroxybutyrate (3-OHB) increases cardiac output and myocardial perfusion without affecting blood pressure in humans, but the cardiovascular sites of action remain obscure…”
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Cardiac MRI: a new gold standard for ventricular volume quantification during high-intensity exercise Autor La Gerche, Andre, Claessen, Guido, Van de Bruaene, Alexander, Pattyn, Nele, Van Cleemput, Johan, Gewillig, Marc, Bogaert, Jan, Dymarkowski, Steven, Claus, Piet, Heidbuchel, Hein

“…Accurate measures are critical when attempting to distinguish normal from pathological changes in cardiac function during exercise, yet imaging modalities have seldom been assessed against invasive exercise standards…”
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Sodium Nitrite Improves Exercise Hemodynamics and Ventricular Performance in Heart Failure With Preserved Ejection Fraction Autor Borlaug, Barry A, Koepp, Katlyn E, Melenovsky, Vojtech

“…There is no effective medical treatment for heart failure with preserved ejection fraction (HFpEF…”
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Fully Automated, Quality-Controlled Cardiac Analysis From CMR: Validation and Large-Scale Application to Characterize Cardiac Function Autor Ruijsink, Bram, Puyol-Antón, Esther, Oksuz, Ilkay, Sinclair, Matthew, Bai, Wenjia, Schnabel, Julia A, Razavi, Reza, King, Andrew P

“…This study sought to develop a fully automated framework for cardiac function analysis from cardiac magnetic resonance (CMR…”
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Pathophysiologic and prognostic importance of cardiac power output reserve in heart failure with preserved ejection fraction Autor Takizawa, Daiki, Harada, Tomonari, Obokata, Masaru, Kagami, Kazuki, Sorimachi, Hidemi, Yuasa, Naoki, Saito, Yuki, Murakami, Fumitaka, Naito, Ayami, Kato, Toshimitsu, Wada, Naoki, Ishii, Hideki

“…Heart failure with preserved ejection fraction (HFpEF) is a syndrome characterized by multiple cardiac reserve limitations during exercise…”
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Right Ventricular Volumes and Systolic Function by Cardiac Magnetic Resonance and the Impact of Sex, Age, and Obesity in a Longitudinally Followed Cohort Free of Pulmonary and Cardiovascular Disease: The Framingham Heart Study Autor Foppa, Murilo, Arora, Garima, Gona, Philimon, Ashrafi, Arman, Salton, Carol J, Yeon, Susan B, Blease, Susan J, Levy, Daniel, O'Donnell, Christopher J, Manning, Warren J, Chuang, Michael L

“…) volumes and systolic function using a modern imaging sequence in a community-dwelling, longitudinally followed cohort free of clinical cardiovascular and pulmonary disease…”
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Assessment of the cardiac output at rest and during exercise stress using real-time cardiovascular magnetic resonance imaging in HFpEF-patients Autor Schulz, Alexander, Mittelmeier, Hannah, Wagenhofer, Lukas, Backhaus, Sören J., Lange, Torben, Evertz, Ruben, Kutty, Shelby, Kowallick, Johannes T., Hasenfuß, Gerd, Schuster, Andreas

“…This methodological study aimed to validate the cardiac output (CO) measured by exercise-stress real-time phase-contrast cardiovascular magnetic resonance imaging (CMR…”
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Central role of left atrial dynamics in limiting exercise cardiac output increase and oxygen uptake in heart failure: insights by cardiopulmonary imaging Autor Sugimoto, Tadafumi, Barletta, Marta, Bandera, Francesco, Generati, Greta, Alfonzetti, Eleonora, Rovida, Marina, Gnecchi Ruscone, Tomaso, Rossi, Andrea, Cicoira, Mariantonietta, Guazzi, Marco

“…) dynamics is unexplored. We sought to define whether abnormal LA dynamics during exercise may play a role in cardiac output (CO…”
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Determinants of exercise intolerance in elderly heart failure patients with preserved ejection fraction Autor Haykowsky, Mark J, Brubaker, Peter H, John, Jerry M, Stewart, Kathryn P, Morgan, Timothy M, Kitzman, Dalane W

“… Left ventricular volumes (2-dimensional echocardiography), cardiac output, Vo(2), and calculated arterial-venous oxygen content difference (A-Vo(2) Diff…”
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Associations and prognostic significance of diffuse myocardial fibrosis by cardiovascular magnetic resonance in heart failure with preserved ejection fraction Autor Roy, Clotilde, Slimani, Alisson, de Meester, Christophe, Amzulescu, Mihaela, Pasquet, Agnes, Vancraeynest, David, Beauloye, Christophe, Vanoverschelde, Jean-Louis, Gerber, Bernhard L., Pouleur, Anne-Catherine

“…) quantified by cardiovascular magnetic resonance with the modified Look-Locker inversion recovery sequence…”
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Global Longitudinal Strain Is a Superior Predictor of All-Cause Mortality in Heart Failure With Reduced Ejection Fraction Autor Sengeløv, Morten, Jørgensen, Peter Godsk, Jensen, Jan Skov, Bruun, Niels Eske, Olsen, Flemming Javier, Fritz-Hansen, Thomas, Nochioka, Kotaro, Biering-Sørensen, Tor

“…) in heart failure with reduced ejection fraction (HFrEF) patients in relation to all-cause mortality…”
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Right ventricular function and cardiopulmonary performance among patients with heart failure supported by durable mechanical circulatory support devices Autor Tran, Tomio, Muralidhar, Akshay, Hunter, Kendall, Buchanan, Cullen, Coe, Greg, Hieda, Michinari, Tompkins, Christine, Zipse, Matthew, Spotts, Melanie J, Laing, Stephanie G, Fosmark, Kristina, Hoffman, Jordan, Ambardekar, Amrut V, Wolfel, Eugene E, Lawley, Justin, Levine, Benjamin, Kohrt, Wendy M, Pal, Jay, Cornwell, 3rd, William K

“… We sought to characterize RV function in the context of global cardiopulmonary performance during exercise in this population…”
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Developmental nicotine exposure alters cardiovascular structure and function in neonatal and juvenile rats Autor Flanigan, Emily G, Farman, Gerrie P, Dennis, Melissa R, Wollman, Lila, Van Den Berg, Marloes, Granzier, Henk, Banek, Christopher T, Fregosi, Ralph F

“… females. Both male and female DNE rats had a lower end-systolic volume, higher ejection fraction, and increased fractional shortening, with unchanged stroke volume and cardiac output…”
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The increase in cardiac output induced by a decrease in positive end-expiratory pressure reliably detects volume responsiveness: the PEEP-test study Autor Lai, Christopher, Shi, Rui, Beurton, Alexandra, Moretto, Francesca, Ayed, Soufia, Fage, Nicolas, Gavelli, Francesco, Pavot, Arthur, Dres, Martin, Teboul, Jean-Louis, Monnet, Xavier

“… Volume responsiveness was assessed by a positive PLR-test, defined as an increase in pulse-contour-derived cardiac index…”
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Echocardiography-Derived Forward Left Ventricular Output Improves Risk Prediction in Systolic Heart Failure Autor Gentile, Francesco, Sciarrone, Paolo, Panichella, Giorgia, Bazan, Lorenzo, Chubuchny, Vladyslav, Buoncristiani, Francesco, Gasparini, Simone, Taddei, Claudia, Poggianti, Elisa, Fabiani, Iacopo, Aimo, Alberto, Petersen, Christina, Passino, Claudio, Emdin, Michele, Giannoni, Alberto

“…) output, being more representative of cardiac hemodynamics, might improve risk prediction in a large cohort of patients with HF with systolic…”
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Echocardiography and cardiovascular magnetic resonance based evaluation of myocardial strain and relationship with late gadolinium enhancement Autor Erley, Jennifer, Genovese, Davide, Tapaskar, Natalie, Alvi, Nazia, Rashedi, Nina, Besser, Stephanie A., Kawaji, Keigo, Goyal, Neha, Kelle, Sebastian, Lang, Roberto M., Mor-Avi, Victor, Patel, Amit R.

“…Objectives We sought to: (1) determine the agreement in cardiovascular magnetic resonance (CMR…”
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Predictive Value of Noninvasive Cardiac Function Monitoring Combined With GRACE Score for Short‐Term Outcomes in Patients With ST‐Segment Elevation Myocardial Infarction Autor Xin, Jiayan, Liu, Yingwu, Ning, Meng, Zhang, Chong

“… months of major adverse cardiovascular events (MACE). The non‐invasive cardiac function monitoring indexes were analyzed by univariate and multivariate logistic regression…”
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Cardiac remodeling in response to 1 year of intensive endurance training Autor Arbab-Zadeh, Armin, Perhonen, Merja, Howden, Erin, Peshock, Ronald M, Zhang, Rong, Adams-Huet, Beverly, Haykowsky, Mark J, Levine, Benjamin D

“…It is unclear whether, and to what extent, the striking cardiac morphological manifestations of endurance athletes are a result of exercise training or a genetically determined characteristic of talented athletes…”
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