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Journal articles on the topic 'Left ventricle function'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Dr, Shahzeen Eisha Dr Rabail Naseer Dr Hafiz Muhammad Bilal. "FUNCTION OF LEFT VENTRICLE AND REASONS BEHIND THROMBUS OF LEFT VENTRICLE." INDO AMERICAN JOURNAL OF PHARMACEUTICAL SCIENCES o6, no. 06 (2019): 11491–95. https://doi.org/10.5281/zenodo.3237817.

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<strong><em>Objective:</em></strong><em> This research work was carried out to assess the function of left ventricle and the determination of the reasons behind thrombus of the left ventricle.</em> <strong><em>Study Design:</em></strong><em> This was a prospective research work depending upon the observations. </em> <strong><em>Methodology:</em></strong><em> This research work was carried out in Sheikh Zayed Medical College and Hospital Rahim Yar Khan. All the patients suffering from the thrombus of the left ventricle identified with the utilization of echocardiography from June 2016 to July 2

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2

Cativo Calderon, Eder Hans, Tuoyo O. Mene-Afejuku, Rachna Valvani, et al. "D-Shaped Left Ventricle, Anatomic, and Physiologic Implications." Case Reports in Cardiology 2017 (2017): 1–4. http://dx.doi.org/10.1155/2017/4309165.

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Right ventricular loading/pressure influences left ventricular function because the two ventricles pump in series and because they are anatomically arranged in parallel, sharing the common ventricular septum. Flattening of the interventricular septum detected during echocardiographic examination is called D-shaped left ventricle. We present a case of an elderly male of African descent, who presented with increased shortness of breath. Transthoracic echocardiogram showed flattening and left sided deviation of interventricular septum causing a decreased size in left ventricle, secondary to volum

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Ding, Weihao, Sandeep Bhushan, Chen Ma, Yifan Yan, and Zongwei Xiao. "Right Ventricle Involvement in Hypertrophic Cardiomyopathy and Role of Cardiac Magnetic Resonance in Hypertrophic Cardiomyopathy: Review Article." Heart Surgery Forum 24, no. 4 (2021): E746—E750. http://dx.doi.org/10.1532/hsf.3977.

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Hypertrophic cardiomyopathy (HCM) is the most common genetic cardiac disease, and its main characteristic is symmetrical or asymmetrical hypertrophy of the left ventricle and/or right ventricle. Most previous studies mainly include the left ventricle for definition of HCM, thus neglecting the right ventricle. But recently, many studies have reported the right ventricular involvement in HCM. Histopathological results showed that similar pathogenic changes in both the right and left ventricles, which suggests common myopathic processes and sarcomere genetic mutations. Cardiovascular magnetic res

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4

Sinha, Manisha B., Suchitra Kishore Somkuwar, Dharmendra Kumar, and D. K. Sharma. "Anatomical variations of papillary muscles in human cadaveric hearts of Chhattisgarh, India." Indian Journal of Clinical Anatomy and Physiology 7, no. 4 (2021): 374–80. http://dx.doi.org/10.18231/j.ijcap.2020.078.

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In both ventricles of the heart papillary muscles play important role for proper cardiac valvular function of heart. The present study was done to analyse the papillary muscles of heart with respect to the variations in their number, length, shape, position and pattern in both ventricles. Forty well preserved cadaveric human hearts were used for the study. The variations in the papillary muscles of both right and left ventricles were categorized, documented and photographed. In the right ventricle, authors observed 31.42% anterior, 34.3% posterior and 34.3% septal papillary muscles, and in the

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Afzal, N., and N. S. Dhalla. "Differential changes in left and right ventricular SR calcium transport in congestive heart failure." American Journal of Physiology-Heart and Circulatory Physiology 262, no. 3 (1992): H868—H874. http://dx.doi.org/10.1152/ajpheart.1992.262.3.h868.

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To examine the status of sarcoplasmic reticulum (SR) with respect to Ca2+ transport in congestive heart failure due to myocardial infarction, the left coronary artery in rats was ligated for 4, 8, and 16 wk. The left heart function was assessed with an intraventricular pressure transducer, and SR membrane fractions from the right ventricle and the viable left ventricle were isolated for measuring the ATP-dependent Ca2+ uptake activities. In comparison to sham-operated controls, SR Ca2+ uptake activity was decreased in viable left ventricle of the experimental animals at 4, 8, and 16 wk. On the

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Zungu, Makhosazane, Maria Pilar Alcolea, Francisco José García-Palmer, Martin E. Young, and M. Faadiel Essop. "Genomic modulation of mitochondrial respiratory genes in the hypertrophied heart reflects adaptive changes in mitochondrial and contractile function." American Journal of Physiology-Heart and Circulatory Physiology 293, no. 5 (2007): H2819—H2825. http://dx.doi.org/10.1152/ajpheart.00806.2006.

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We hypothesized the coordinate induction of mitochondrial regulatory genes in the hypertrophied right ventricle to sustain mitochondrial respiratory capacity and contractile function in response to increased load. Wistar rats were exposed to hypobaric hypoxia (11% O2) or normoxia for 2 wk. Cardiac contractile and mitochondrial respiratory function were separately assessed for the right and left ventricles. Transcript levels of several mitochondrial regulators were measured. A robust hypertrophic response was observed in the right (but not left) ventricle in response to hypobaric hypoxia. Mitoc

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7

Spaska, G. "Heart left ventricle’s diastolic function features in patients with reactive arthritis." Likarska sprava, no. 3 (May 29, 2013): 56–58. http://dx.doi.org/10.31640/ls-2013-3-09.

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Cross-correlation analysis’s data indicate for the patients with reactive arthritis features, which determine character the left ventricle’s diastolic filling, are end-diastolic pressure and end-diastolic pressure / end-diastolic volume index in the left ventricle.

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8

Komniski, Milena Segato, Sergej Yakushev, Nikolai Bogdanov, Max Gassmann, and Anna Bogdanova. "Interventricular heterogeneity in rat heart responses to hypoxia: the tuning of glucose metabolism, ion gradients, and function." American Journal of Physiology-Heart and Circulatory Physiology 300, no. 5 (2011): H1645—H1652. http://dx.doi.org/10.1152/ajpheart.00220.2010.

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The matching of energy supply and demand under hypoxic conditions is critical for sustaining myocardial function. Numerous reports indicate that basal energy requirements and ion handling may differ between the ventricles. We hypothesized that ventricular response to hypoxia shows interventricular differences caused by the heterogeneity in glucose metabolism and expression and activity of ion transporters. Thus we assessed glucose utilization rate, ATP, sodium and potassium concentrations, Na, K-ATPase activity, and tissue reduced:oxidized glutathione (GSH/GSSG) content in the right and left v

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9

WRANNE, B., and G. SUTHERLAND. "DIASTOLIC FUNCTION OF THE LEFT VENTRICLE." Echocardiography 15, no. 8-2 (1998): S74—S75. http://dx.doi.org/10.1111/j.1540-8175.1998.tb00976.x.

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10

V Baroncini, Liz Andréa. "Right ventricle Outflow Tract Acceleration Time: Correlation with Left Ventricular Diastolic Function." Clinical Imaging and Interventional Radiology 3, no. 1 (2020): 01–05. http://dx.doi.org/10.31579/2642-1674/008.

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Background: There are no available data about the measurement of acceleration time at the right ventricle outflow tract (AcT) and its relevance in the analysis of the left ventricular diastolic function (LVDF). Objective: To correlate AcT with echocardiographic parameters of LVDF. Method: Eighty-seven patients (58.4±14.5 years; 52% women) submitted to transthoracic echocardiogram assessing spectral and tissue Doppler of the transmitral flow and mitral annulus, AcT, left atrial volume (LAV), and pulmonary artery systolic pressure (PASP). Patients with systolic dysfunction of the LV and grades I

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11

Markel, Troy A., Paul R. Crisostomo, Meijing Wang, Jeremy L. Herrmann, Aaron M. Abarbanell, and Daniel R. Meldrum. "Right ventricular TNF resistance during endotoxemia: the differential effects on ventricular function." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 293, no. 5 (2007): R1893—R1897. http://dx.doi.org/10.1152/ajpregu.00359.2007.

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Right and left ventricular myocytes originate from different cellular progenitors; however, it is unknown whether these cells differ in their response to endotoxemia. We hypothesized that 1) the percentage of endotoxemic functional depression within the right ventricle (RV) would be smaller than that of the left ventricle; and 2) that better RV function would correlate with lower levels of right ventricular TNF production. Adult Sprague-Dawley rats were divided into right and left control and endotoxin groups. Controls received vehicle, while endotoxin groups received LPS at 20 mg/kg ip. Heart

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Browne, Vaughn A., Virginia M. Stiffel, William J. Pearce, Lawrence D. Longo та Raymond D. Gilbert. "Cardiac β-adrenergic receptor function in fetal sheep exposed to long-term high-altitude hypoxemia". American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 273, № 6 (1997): R2022—R2031. http://dx.doi.org/10.1152/ajpregu.1997.273.6.r2022.

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In this study, we hypothesized that a reduction in β-adrenergic receptor number or a decrease in functional coupling of the receptor to the adenylate cyclase system may be responsible for the blunted inotropic response to isoproterenol observed in fetal sheep exposed to high altitude (3,820 m) from 30 to 138–142 days gestation. We measured the contractile response to increasing doses of isoproterenol and forskolin in papillary muscles from both ventricles, estimated β-adrenergic receptor density (Bmax) and ligand affinity ( K d) using [125I]iodocyanopindolol, and measured adenosine 3′,5′-cycli

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13

Yao, Shifa, Tian Yang, Xiaoxiao Kong, Yuanyuan Dang, Ping Chen, and Mingli Lyu. "The Influence of Maternal Condition on Fetal Cardiac Function during the Second Trimester." Diagnostics 13, no. 17 (2023): 2755. http://dx.doi.org/10.3390/diagnostics13172755.

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Objective: Maternal health has a direct, profound and lasting effect on the formation and development of the fetal cardiovascular system. The aim of this research was to find whether maternal age, BMI hypertension (GH) or gestational diabetic mellitus (GDM) would affect fetal cardiac function in the second trimester. Method: 329 mothers who had a fetal echocardiogram examination at the International Peace Maternity & Child Health Hospital of China Welfare Institute, Shanghai, China, from 1 January 2020 to 30 April 2020 were enrolled at the gestational age of 21 to 26 weeks (mean 22.78 ± 1.

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Savio, Federica, Domenico Sirico, Giada Mazzon, et al. "Cardiac Mechanics Evaluation in Preschool-Aged Children with Preterm Birth History: A Speckle Tracking and 4D Echocardiography Study." Journal of Clinical Medicine 13, no. 10 (2024): 2762. http://dx.doi.org/10.3390/jcm13102762.

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Background: The premature-born adult population is set to grow significantly, and prematurity has emerged as an important cardiovascular risk factor. We aimed to comprehensively assess cardiac mechanics and function in a cohort of ex-preterm preschoolers. Methods: Ex-preterm children (<30 weeks of gestation), aged 2 to 5 years, underwent transthoracic 2D, speckle-tracking, and 4D echocardiography. The findings were compared with 19 full-term children. Results: Our cohort of 38 children with prematurity history showed a normal morpho-functional echocardiographic assessment. However, compared

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Naumenko, E. P., and I. E. Adzeriho. "DOPPLER TISSUE IMAGING: PRINCIPLES AND POSSIBILITIES OF THE METHOD (literature review)." Health and Ecology Issues, no. 4 (December 28, 2012): 17–22. http://dx.doi.org/10.51523/2708-6011.2012-9-4-3.

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Doppler tissue imaging is a group of regimes based on the Doppler effect and the qualitative and quantitative assessment of the global and segmental myocardial function. Doppler tissue imaging enables to evaluate quantitatively the functional state of not only the left, but also the right ventricle. The using of Doppler tissue imaging is informative for assessing the global and regional function of the left heart ventricle. The Doppler tissue imaging made it possible to assess the systolic and diastolic function of the various segments of the left and right ventricles. The review presents the

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Rehman, Mohammad, Tasnim Ahmed, and Martin Joseph. "‘Wisp of smoke sign" - Spontaneous echogenic contrast in a patient with dilated cardiomyopathy." South Asian Journal of Emergency Medicine 5, no. 1 (2024): 1. http://dx.doi.org/10.5455/sajem.050103.

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Aim: To highlight the unique appearance of Spontaneous Echo Contrast (SEC) in the Left Ventricle of a patient with Dilated Cardiomyopathy and low ejection fraction Methods: Image and Video from Transthoracic echocardiography performed to assess cardiac function Results: 'Wisp of Smoke' pattern of echogenic contrast noted within the left ventricle Conclusion: While commonly noted in atria rather than ventricles, this echogenic pattern is a marker of low-velocity blood flow and lends itself to a higher probability of thromboembolic events.

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17

Jha, Ajay Kumar. "Evaluation of Systolic Function of Left Ventricle." Journal of Acute Care 2, no. 3 (2024): 121–28. http://dx.doi.org/10.5005/jp-journals-10089-0042.

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18

Shveс, D. A., and S. V. Povetkin. "The Role of Residual Stenosis of the Coronary Arteries in the Dynamics Systolicdiastolic Left Ventricular Function after Acute Coronary Syndrome." Kardiologiia 60, no. 2 (2020): 33–40. http://dx.doi.org/10.18087/cardio.2020.2.n853.

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Objective. The aim of the research under consideration was to study the dynamics of a local systolic-diastolic function of patients with various ischemic heart disease (IHD) progressions after survival of an acute coronary syndrome (ACS) provided there are residual stenoses of coronary arteries.Materials and Methods. There were 112 patients suffering from ACS who took part in the research. The diagnosis was verified (acute myocardial infarction or unstable angina) in accordance with the recommendations of European Society of Cardiology (ESC). All patients were divided into two groups depending

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Ostroumov, E. N., E. V. Migunova, E. D. Kotina, et al. "Right ventricular visualization at SPECT perfusion imaging before and after revascularization in patients with postinfarction cardiosclerosis." Transplantologiya. The Russian Journal of Transplantation 15, no. 2 (2023): 200–215. http://dx.doi.org/10.23873/2074-0506-2023-15-2-200-215.

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Aim. To evaluate the intersystemic (between the myocardium of the left coronary artery system and the right coronary artery system redistribution mechanisms of perfusion in the myocardium after revascularization in patients with coronary artery disease with focal cardiosclerosis using gated single photon emission computed tomography. Сardiosclerosis foci were initially identified by magnetic resonance imaging. Material and Methods. The study included 17 patients with coronary artery disease with multivessel coronary disease and large-focal cardiosclerosis according to the results of magnetic r

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Yazici, Huseyin U., Fatih Poyraz, Nihat Sen, et al. "Relationship between mean platelet volume and left ventricular systolic function in patients with metabolic syndrome and ST-elevation myocardial infarction." Clinical & Investigative Medicine 34, no. 6 (2011): 330. http://dx.doi.org/10.25011/cim.v34i6.15892.

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Purpose: Mean platelet volume (MPV) is an indicator of platelet activation, which is a central process in the pathophysiology of coronary heart disease. Metabolic syndrome (MS) may lead to worsened left ventricular systolic function by causing recurrent thrombotic events and by aggravating systemic inflammation in the course of acute myocardial infarction. The present study was designed to investigate the relationship between MPV and left ventricular systolic function in patients with metabolic syndrome who had first ST-elevation myocardial infarction. Methods: MPV was measured on admission in

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Kuznetsova, V. V., and A. V. Bursikov. "Diastolic function left ventricle in a debut of revealing of hypertonic illness at young age." "Arterial’naya Gipertenziya" ("Arterial Hypertension") 13, no. 4 (2007): 292–94. http://dx.doi.org/10.18705/1607-419x-2007-13-4-292-294.

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The purpose: To estimate diastolic function left ventricle at persons of young age with recently revealed arterial hypertension and to reveal early attributes of its infringement. Materials and methods: On device LOGIQ 500 method Doppler echocardiography studies diastolic function left ventricle at 34 patients of young age with prescription of revealing arterial hypertension no more than 3 years and practically healthy 48 persons. Results: At an arterial hypertension already in a debut of revealing of disease change of some Doppler echocardiography parameters diastolic fillings left ventricle

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Kumaresan, Abirami, Alexander D. Shapeton, Hong-mei Yuan, and Philip E. Hess. "Transthoracic echocardiographic assessment of the right ventricle before and after caesarean delivery: A preliminary investigation." Anaesthesia and Intensive Care 48, no. 2 (2020): 143–49. http://dx.doi.org/10.1177/0310057x20903056.

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Transthoracic echocardiographic evaluation of the right ventricle is more difficult than the left ventricle and has not been well characterised in the parturient during delivery. As a preliminary investigation, our goal was to use bedside transthoracic echocardiography to evaluate right ventricular myocardial function before and after caesarean delivery. Term parturients undergoing caesarean delivery under spinal anaesthesia were enrolled. Echocardiography was performed pre- and postoperatively. Assessment of myocardial function included longitudinal myocardial strain using 2D-speckle tracking

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Isabella, Giambattista, Luciano Daliento, Raffaello Chioin, Ornella Milanesi, Renato Razzolini, and Sergio Dalla Volta. "Left ventricular size and function in double inlet left ventricle." International Journal of Cardiology 21, no. 1 (1988): 43–49. http://dx.doi.org/10.1016/0167-5273(88)90007-1.

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Jaros, Maria, Jelena Pabst von Ohain, Marcus Fischer, and Nikolaus Alexander Haas. "Successful Weaning off LVAD Support in an Infant by Pulmonary Artery Banding." Thoracic and Cardiovascular Surgeon Reports 14, no. 01 (2025): e19-e23. https://doi.org/10.1055/a-2564-2280.

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AbstractCardiomyopathy is the leading indication for transplantation in children. Mechanical cardiac support systems play a significant role in treating severe pediatric heart failure for cardiomyoptahy or myocarditis either for recovery or as bridge to transplant. In most cases of chronic heart failure extending over the acute inflammatory phase transplantation is necessary. Organ shortage results in a necessity for further treatment options in terminal heart failure. A new and controversially discussed approach to treat failing (left) ventricles includes pulmonary banding; In some observatio

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Adjagba, Philippe M., Gaston Habib, Nancy Robitaille, et al. "Impact of sickle cell anaemia on cardiac chamber size in the paediatric population." Cardiology in the Young 27, no. 5 (2016): 918–24. http://dx.doi.org/10.1017/s1047951116001633.

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AbstractPurposeSickle cell disease is known to cause various degrees of vasculopathy, including impact on heart function. The aims of this single-centre, retrospective study were to assess cardiac chamber size and function and the relationship with haematological indices such as haemoglobin, aspartate aminotransferase, reticulocytosis and bilirubin, lactate dehydrogenase in sickle cell disease.MethodsRight ventricle and left ventricle diastolic diameters, left ventricle mass estimate, left ventricle shortening fraction, myocardial performance index, and an index of myocardial relaxation (E/E’)

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Gurzun, Maria M., Diana Iancu, Madalina Badea, Mihaela Anton, and Silviu M. Stanciu. "Myocardial work – are we ready for a new parameter in clinical practice for evaluating left ventricle function?" Romanian Journal of Military Medicine 125, no. 3 (2022): 498–505. http://dx.doi.org/10.55453/rjmm.2022.125.3.22.

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Left ventricle systolic function is an essential parameter in different clinical scenarios and the usual methods available for its assessment are sometime suboptimal, depending on the filling conditions of the heart. Therefore, the development and implementation in clinical practice of a new parameter for assessing left ventricle contractile function is desirable. Mechanical work defined as energy transferred to or from an object via the application of force along a displacement seems to be a promising method for myocardial performance estimation. Although initially this parameter was calculat

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Najm, Hani K., and Nicholas A. Oh. "The Ventricular Switch: An Alternative Strategy Toward Biventricular Repair in Moderately Hypoplastic Left Ventricles or Complex Connections." World Journal for Pediatric and Congenital Heart Surgery 13, no. 5 (2022): 650–54. http://dx.doi.org/10.1177/21501351221116773.

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Hypoplastic left heart complex (HLHC) constitutes a spectrum of left ventricular hypoplasia and valvar disease and can be associated with increased morbidity and mortality. Traditionally, management of these lesions involves single ventricle palliation (SVP). However, the SVP may be associated with substantial long-term consequences related to its physiology. Alternative management strategies have been employed to achieve biventricular circulation. We have proposed a novel technique, termed the “ventricular switch” procedure, in which the hypoplastic or unroutable left ventricle can be harness

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Degenhardt, Jan, Meike Reinold, Christian Enzensberger, et al. "Short-Time Impact of Laser Ablation of Placental Anastomoses on Myocardial Function in Monochorionic Twins with Twin-to-Twin Transfusion Syndrome." Ultraschall in der Medizin - European Journal of Ultrasound 38, no. 04 (2015): 403–10. http://dx.doi.org/10.1055/s-0035-1553405.

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Abstract Purpose To evaluate pre- and post-procedure myocardial function in monochorionic twins with TTTS who underwent laser ablation of placental anastomoses using pulsed wave tissue Doppler imaging (pw TDI). Materials and Methods 20 monochorionic twin gestations with TTTS were included and underwent laser ablation at our center between 2011 and 2014. Prior to and after the intervention, cardiac function was assessed by measuring the mitral annular plane systolic excursion (MAPSE), the tricuspid annular plane systolic excursion (TAPSE), Tei index, isovolumetric contraction time (ICT), ejecti

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Sindhya, K. S., and Arthi P. S. "Estimation of left ventricular function in chronic alcoholics." International Journal of Advances in Medicine 8, no. 5 (2021): 667. http://dx.doi.org/10.18203/2349-3933.ijam20211473.

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Background: Alcohol abuse is one of the leading causes of millions of deaths, it is also a burden in society. Direct toxicity of ethanol affects cardiac muscle Acute intoxication shows pathological electrocardiogram changes such as sinus tachycardia in alcohol dependence syndrome, sinus arrhythmias, prolongation of QT interval, ventricular polarising complexes, poor progression of R wave, torse de pointes. Changes found in echocardiography are alteration in septal and ventricular wall thickness, left atrial dimensions, left ventricle dimension and mass.Methods: Patients attending outpatient an

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Kalyuzhin, V. V., M. A. Solovtsov, and D. U. Kamaev. "The effectiveness of cytocardioprotection of patients with the moderately expressed post infarct dysfunction of left heart ventricle: the results of the randomization research of trimetazidine and athenolole." Bulletin of Siberian Medicine 1, no. 1 (2002): 40–44. http://dx.doi.org/10.20538/1682-0363-2002-1-40-44.

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With the purpose of research of clinical efficiency of trimetazidine and atenolol and their influence on morfofunctional parameteres of left ventricle 36 men who have transferred a myocardial infarction are inspected. Patients were randomly divided into 2 groups. Clinical status and function state of left ventricle (by echocardiography) was assessed before and after 4-week therapy with trimetazidine or atenolol. Atenolol and trimetazidine have shown in our study identical clinical efficiency. However while atenolol is statistically significant reduced systolic arterial pressure and heart rate,

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Chan, V., M. Ruel, S. Chaudry, et al. "475 Larger left ventricle size negatively impacts late postoperative left ventricle function following mitral valve repair." Canadian Journal of Cardiology 27, no. 5 (2011): S234. http://dx.doi.org/10.1016/j.cjca.2011.07.397.

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Bartosh-Zelenaya, S. Y., V. V. Stepanova, N. E. Pavlova, O. P. Mamaeva, and S. G. Sherbak. "Systolic function of the left and right ventricles and myocardial strain in young adults with metabolic syndrome." Medical alphabet 1, no. 22 (2023): 50–55. http://dx.doi.org/10.33667/2078-5631-2023-22-50-55.

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The purpose of this article is to evaluate the systolic function of the left and right ventricles and measure myocardial Strain in young people (from 18 to 44 years old) with a newly established clinical and laboratory diagnosis of metabolic syndrome (MS) according to the criteria of the International Diabetes Federation (IDF), to identify possible early markers of myocardial dysfunction. All patients underwent standard transthoracic echocardiography (EchoCG) with assessment of systolic function of the left and right ventricles (LV and RV). The work detects early markers of ventricular myocard

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Carlsson, Marcus, Martin Ugander, Einar Heiberg, and Hakan Arheden. "The quantitative relationship between longitudinal and radial function in left, right, and total heart pumping in humans." American Journal of Physiology-Heart and Circulatory Physiology 293, no. 1 (2007): H636—H644. http://dx.doi.org/10.1152/ajpheart.01376.2006.

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The total heart volume variation (THVV) during systole has been proposed to be caused by radial function of the ventricles, but definitive data for both ventricles have not been presented. Furthermore, the right ventricle (RV) has been suggested to have a greater longitudinal pumping component than the left ventricle (LV). Therefore, we aimed to compare the stroke volume (SV) generated by radial function to the volume variation of the left, right, and total heart. To do this, we also needed to develop a new method for measuring the contribution of the longitudinal atrioventricular plane displa

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Snelling, Edward P., Roger S. Seymour, J. E. F. Green, et al. "A structure-function analysis of the left ventricle." Journal of Applied Physiology 121, no. 4 (2016): 900–909. http://dx.doi.org/10.1152/japplphysiol.00435.2016.

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This study presents a structure-function analysis of the mammalian left ventricle and examines the performance of the cardiac capillary network, mitochondria, and myofibrils at rest and during simulated heavy exercise. Left ventricular external mechanical work rate was calculated from cardiac output and systemic mean arterial blood pressure in resting sheep ( Ovis aries; n = 4) and goats ( Capra hircus; n = 4) under mild sedation, followed by perfusion-fixation of the left ventricle and quantification of the cardiac capillary-tissue geometry and cardiomyocyte ultrastructure. The investigation

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Ivaneta D Yoncheva, Denislav E Biserov, and Mariya N Negreva. "Pacemaker associated reduction of left ventricle systolic function." World Journal of Advanced Research and Reviews 12, no. 2 (2021): 048–54. http://dx.doi.org/10.30574/wjarr.2021.12.2.0563.

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In recent years, data have been accumulated on the negative effect of right ventricular (RV) stimulation, leading to left ventricular (LV) asynchrony, proarrhythmias and progressive heart failure (HF). On the other hand, biventricular pacing has been shown to affect ventricular asynchrony, reduce HF manifestations, and improve prognosis in patients with LV dysfunction and wide QRS complex. The induced asynchrony from apical right ventricular pacing is unequivocally associated with changes in myocardial perfusion, LV dysfunction, and poorer prognosis for patients over time. This has led researc

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Wang, Han, Hanxiong Liu, Xiuqiong Yu, Hui Jiang, Yinli Wang, and Lin Cai. "Left ventricle diastolic function in patients with polymyositis." International Journal of Cardiology 168, no. 4 (2013): 4311–12. http://dx.doi.org/10.1016/j.ijcard.2013.04.185.

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Paulus, Walter J., Pascal J. Vantrimpont, and Michel F. Rousseau. "Diastolic function of the nonfilling human left ventricle." Journal of the American College of Cardiology 20, no. 7 (1992): 1524–32. http://dx.doi.org/10.1016/0735-1097(92)90446-t.

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Ivaneta, D. Yoncheva, E. Biserov Denislav, and N. Negreva Mariya. "Pacemaker associated reduction of left ventricle systolic function." World Journal of Advanced Research and Reviews 12, no. 2 (2021): 048–54. https://doi.org/10.5281/zenodo.5716583.

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In recent years, data have been accumulated on the negative effect of right ventricular (RV) stimulation, leading to left ventricular (LV) asynchrony, proarrhythmias and progressive heart failure (HF). On the other hand, biventricular pacing has been shown to affect ventricular asynchrony, reduce HF manifestations, and improve prognosis in patients with LV dysfunction and wide QRS complex. The induced asynchrony from apical right ventricular pacing is unequivocally associated with changes in myocardial perfusion, LV dysfunction, and poorer prognosis for patients over time. This has led researc

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Bakakos, Agamemnon, Evangelos Oikonomou, Georgia Vogiatzi, et al. "Statins and Left Ventricular Function." Current Pharmaceutical Design 23, no. 46 (2018): 7128–34. http://dx.doi.org/10.2174/1381612823666170926125754.

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Background: Statins are a well-established class of drugs in both preventing coronary events and treating cardiovascular atherosclerotic disease, however their use in heart failure is still in debate. </P><P> Objectives: To establish whether statins&#39; pleiotropic actions in endothelium, inflammation, remodeling of the heart and anti-arrhythmic potential may be in favorable of heart failure patients. </P><P> Methods: We proceed to literature search of English bibliography under the terms heart failure, statins, 3- hydroxy-3-methylglutaryl-coenzyme A reductase inhi

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Vysotskaya, N. V., V. V. Lee, N. Yu Timofeeva, V. S. Zadionchenko, and T. V. Adasheva. "THE ASSOCIATION BETWEEN INTRACARDIAC HEMODYNAMICS AND LUNG FUNCTION IN PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE." Russian Archives of Internal Medicine 9, no. 5 (2019): 373–81. http://dx.doi.org/10.20514/2226-6704-2019-9-5-373-381.

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Study objective. To assess the association between intracardiac hemodynamics and airway obstruction with pulmonary hyperinflation in patients with chronic obstructive pulmonary disease.Materials and methods. Ninety-six patients with chronic obstructive pulmonary disease, aged 40 to 75 years, without concomitant cardiovascular disease, were examined and divided into 4 groups according to the severity of the disease. The patients underwent general clinical examination, spirometry, 24-hour pulse oximetry and echocardiography with assessment of linear and volumetric parameters, as well as diastoli

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Flaubert, Mark, Margaret H. Lauerman, Daniel Haase, et al. "Does right ventricle dysfunction represent cardiac frailty in critically ill trauma patients?" Trauma 22, no. 1 (2018): 18–25. http://dx.doi.org/10.1177/1460408618794215.

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Introduction Cardiac function includes left ventricle ejection fraction, right ventricle function, diastolic function, and multiple markers of cardiac outflow. Markers of cardiac function associated with mortality are unknown. The purpose of this study was to determine markers of cardiac function associated with mortality in the elderly which represent cardiac frailty and the relative importance of these many measurements of cardiac function when compared with each other. Methods A retrospective review of patients who underwent focused rapid echocardiographic evaluations was performed from 200

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Galyavich, A. S., and A. Yu Rafikov. "Evaluation of the right ventricular ejection fraction according to multislice computed tomography in patients with pulmonary embolism." Kazan medical journal 96, no. 6 (2015): 901–5. http://dx.doi.org/10.17750/kmj2015-901.

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Aim. Evaluation of the global systolic function of the right ventricle according to multislice computed tomography in patients with pulmonary embolism. Methods. 37 people aged 31 to 75 years (20 women and 17 men, mean age 55±12 years) were examined. The study group included 15 patients without clinical or instrumental signs of congenital heart disease and myocardial infarction of the left and right ventricles, with signs of pulmonary embolism according to multislice computed tomography. The control group included 22 patients. Tomographic analysis of end-diastolic volume, ejection fractio

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Pinheiro, Bruna S., Patrícia M. Barrios, Liliane T. Souza, and Têmis M. Félix. "Echocardiographic study in children with osteogenesis imperfecta." Cardiology in the Young 30, no. 10 (2020): 1490–95. http://dx.doi.org/10.1017/s1047951120002474.

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AbstractBackground:Osteogenesis imperfecta is a collagen type I bone disorder. Recently, extra-skeletal manifestations have been described, including many cardiovascular alterations. This study aims to report echocardiogram study in children with osteogenesis imperfecta compared to a control group.Methods:A cross-sectional comparative study took place in the Reference Center for Treatment of Osteogenesis Imperfecta in Southern Brazil. Fifty-four patients with osteogenesis imperfecta were paired with 54 controls, based on body surface area, and echocardiogram findings were compared.Results:All

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Koshlya, V. I., O. S. Kulbachuk, N. P. Sklyarova, A. V. Piskun, and O. V. Solovyov. "Changes of the diastolic function of left ventry in patients with arterial hypertension in the process of micardis treatment in the family doctor's conditions." Modern medical technologies 40, no. 1 (2019): 45–47. http://dx.doi.org/10.34287/mmt.1(40).2019.7.

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Among 38 patients with arterial hypertension I and II degree, the diastolic function of the left ventricle was studied in the course of a twelve-month treatment with Telmisartan (Micardis). Analysis of the diastolic function of the left ventricle before the treatment with telmisartan showed that in both groups of patients with respect to the control group there was a significant decrease in the maximum speed of early diastolic filling and an increase in the maximum rate of atrial filling with increasing severity of the disease.At the same time, the period of isovolumetric relaxation and the en

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Acar, Philippe, Zakhia Saliba, Daniel Sidi, and Jean Kachaner. "New insight into left ventricular function in tricuspid atresia after total cavopulmonary connection: a three-dimensional echocardiographic study." Cardiology in the Young 10, no. 2 (2000): 83–89. http://dx.doi.org/10.1017/s1047951100006521.

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AbstractBackgroundIn patients with tricuspid atresia palliated by construction of a total cavopulmonary connection, both pulmonary and systemic circulations depend on the performance of the dominant left ventricle. When estimating the volume of such ventricles using cross-sectional echocardiography, it is necessary to make assumptions concerning the geometry of the ventricular shape. This is avoided by three-dimensional echocardiography, which provides direct volumetric data. Our purpose was to apply this new method to quantify left ventricular volumes and function in patients with tricuspid a

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Deljanin-Ilic, Marina, Stevan Ilic, Dragan Djordjevic, Marija Zdravkovic, and Vladimir Ilic. "Evaluation of myocardial function in the presence of left ventricular hypertrophy in athletes and hypertensive patients." Medical review 61, no. 3-4 (2008): 178–82. http://dx.doi.org/10.2298/mpns0804178d.

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Introduction Myocardial hypertrophy of the left ventricle may be of physiological or pathological nature. Distinction of these two types of hypertrophy is sometimes not easy and represents a diagnostic challenge. The aim of the study was to assess global diastolic and regional systolic and diastolic myocardial function in the presence of left ventricular hypertrophy in athletes and hypertensive patients. Material and methods In 18 male hypertensive patients and 14 male athletes global diastolic left ventriclar function and regional systolic and diastolic myocardial function of septum and poste

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Kamal, Hanan M., Hoda A. Atwa, Omar M. Saleh, and Faten A. Mohamed. "Echocardiographic evaluation of cardiac structure and function in obese Egyptian adolescents." Cardiology in the Young 22, no. 4 (2011): 410–16. http://dx.doi.org/10.1017/s1047951111001910.

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AbstractObjectiveThe objective of this study was to detect structural and functional changes in the left and right ventricles in obese Egyptian adolescents.Methods and resultsAnthropometric and echocardiographic parameters, including tissue Doppler imaging, were obtained from 70 obese adolescents with average body mass index of 34 plus or minus 3.8 and compared with 50 age- and sex-matched controls, with a body mass index of 21.6 plus or minus 1.9. Cardiac dimensions, stroke volume, left ventricular and right ventricular systolic and diastolic functions were evaluated. The obese group had a hi

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Petko, Colin, Inga Voges, Jana Schlangen, Jens Scheewe, Hans-Heiner Kramer, and Anselm S. Uebing. "Comparison of right ventricular deformation and dyssynchrony in patients with different subtypes of hypoplastic left heart syndrome after Fontan surgery using two-dimensional speckle tracking." Cardiology in the Young 21, no. 6 (2011): 677–83. http://dx.doi.org/10.1017/s1047951111000631.

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AbstractBackgroundThe left ventricle in patients with hypoplastic left heart syndrome may influence right ventricular function and outcome. We aimed to investigate differences in right ventricular deformation and intraventricular dyssynchrony between hypoplastic left heart syndrome patients with different anatomical subtypes and left ventricle sizes after Fontan surgery using two-dimensional speckle tracking.Patients and methodsWe examined 29 hypoplastic left heart syndrome patients aged 5.4 plus or minus 2.8 years after Fontan surgery and compared 15 patients with mitral and aortic atresia wi

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Vaitiekiene, Audrone, Migle Kulboke, Monika Bieseviciene, et al. "Early Impact of Mobilization Process on Cardiac Function and Size in Patients Undergoing Autologous Hematopoietic Stem Cell Transplantation." Journal of Clinical Medicine 13, no. 3 (2024): 773. http://dx.doi.org/10.3390/jcm13030773.

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Background: The hematopoietic stem cell transplantation (HSCT) process is known to cause cardiac toxicity of different grades. In this paper, we aimed to evaluate the impact of mobilization procedure of hematopoietic stem cells for autologous HSCT process for left and right ventricle sizes and functions. Material and Methods: The data of 47 patients undergoing autologous HSCT were analyzed. All patients underwent hematopoietic stem cell mobilization with chemotherapy and filgrastim at 10 µg/kg/d. Echocardiography was performed two times: before enrolling in the transplantation process and afte

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ZHENG, YANG, ZHONGPING CHEN, JIAKE WANG, SHU JIANG, and YU LIU. "ACTIVE CONTOUR MODELS-BASED SEGMENTATION OF LEFT VENTRICLE IN ULTRASOUND IMAGES FOR DIFFERENT AXES VIEWS." Journal of Mechanics in Medicine and Biology 21, no. 03 (2021): 2150031. http://dx.doi.org/10.1142/s0219519421500317.

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Segmentation of the left ventricle in ultrasound images for viewing through different axes is a critical aspect. This paper proposes the development of novel active contour models with shape constraint to segment the left ventricle in three different axis views of the ultrasound images. The shapes observed in all the axis views of the left ventricle were not similar. According to the cardiac cycle, the valve opening in the end-diastolic phase influenced the left ventricle segmentation; hence, a shape constraint was embedded in the active contour model to keep ventricle’s shape, especially in t

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