Mostrando 481 - 500 Resultados de 816 Para Buscar '"The Normal Heart"', tiempo de consulta: 1.95s Limitar resultados
  1. 481
    “…Participants with chronotropic incompetence (hazard ratio, 1.38 [95% CI, 1.06 to 1.79]), higher exercise systolic blood pressure (hazard ratio per SD, 1.20 [95% CI, 1.07 to 1.34]), and impaired heart rate recovery (hazard ratio, 1.51 [95% CI, 1.08 to 2.10]) had a higher risk of CKD compared with those with chronotropic competence, lower exercise systolic blood pressure, and normal heart rate recovery, respectively. These associations remained robust when the exercise variables were mutually adjusted for. …”
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    Association of Cardiorespiratory Fitness and Hemodynamic Responses to Submaximal Exercise Testing With the Incidence of Chronic Kidney Disease: The Framingham Heart Study
  2. 482
    “…CONCLUSIONS : Our findings suggest that cardiac glycosphingolipids are required to maintain β-adrenergic signalling and contractile capacity in cardiomyocytes and to preserve normal heart function.…”
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    Glucosylceramide synthase deficiency in the heart compromises β1-adrenergic receptor trafficking
  3. 483
    “…MATERIAL/METHODS: We conducted a case-control study with 61 patients who had normal heart rhythm (control group) and 60 patients with AF (research group). …”
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    Serum Beta-2 Microglobulin: A Possible Biomarker for Atrial Fibrillation
  4. 484
    “…Lymphangioma in the analyzed material coexisted with abnormalities in fetal echo in 78% (n = 25) of cases, especially: heart defect in 50% (n = 16) and with normal heart structure with functional changes in 28% (n = 9). …”
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    The Value of Fetal Heart Evaluation in Fetuses with Rare Congenital Lymphangiomas: A Cohort Study from a Single Tertiary Center across Two Decades (Years 1999–2020)
  5. 485
    “…Patients and methods: The research was performed on 120 young subjects (mean age 33 years), with various types of cardiac arrhythmias, on normal heart, without co-existing lesions. Subjects were divided into 3 groups (40 persons). …”
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    Variation of Total Antioxidant Activity in Young People with Non-Lesional Cardiac Arrhythmias
  6. 486
    “…VO(2peak) was significantly reduced in breast cancer survivors relative to healthy controls (15.9 ± 2.0 vs 19.9 ± 3.1 ml/kg/min, p = 0.006), however the heart rate and stroke volume responses to exercise were normal (heart rate reserve; 88 ± 9 vs 85 ± 10 bpm, p = 0.62: stroke volume reserve; 13 ± 6 vs 13 ± 9 ml,p = 0.94). …”
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    Cardiac mechanisms for low aerobic power in anthracycline treated, older, long-term breast cancer survivors
  7. 487
    “…We screened 333 genes differentially expressed between DCM and normal heart samples from GSE141910, and further used Weighted correlation network analysis to identify 197 DCM-related genes. …”
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    Development and verification of the nomogram for dilated cardiomyopathy gene diagnosis
  8. 488
    “…METHODS AND RESULTS: 139 asymptomatic T. cruzi seropositive subjects with normal heart size and normal LV ejection fraction (EF) (stage A or B) were enrolled in this prospective observational study and underwent paired echocardiograms at baseline and 1-year follow-up. …”
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    Early identification of patients with Chagas disease at risk of developing cardiomyopathy using 2-D speckle tracking strain: Win, Miranda prediction of Chagas cardiomyopathy
  9. 489
    “…Thirteen more patients were screened with cardiac echo, showing a normal heart picture. In our limited series, we found WT cardiac extension in three patients over 16 (19%). …”
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    Unexpected Huge Prevalence of Intracardiac Extension of Wilms Tumor—A Single Center Experience from a Ugandan Hospital
  10. 490
    “…RESULTS: Physical examination differentiated normal hearts from abnormal with an accuracy of 95.0% for fellows and 96.3% for consultants. …”
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    Accuracy of physical examination of cardiovascular system in the diagnosis of common congenital heart diseases in children
  11. 491
    “…Results: Protein analysis showed mean M6Pr in FDCM to be 5.4-fold lower than in a normal heart (4289 ± 6595 vs. 23,581 ± 4074, p = 0.0996) (p < 0.001): specifically, 9-fold lower in males, p = 0.009, (p < 0.001) and 3-fold lower in females, p = 0.5799, (p < 0.001) showing, at histology, a mosaic of normal and diseased cells. …”
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    Downregulation of Mannose-6-Phosphate Receptors in Fabry Disease Cardiomyopathy: A Potential Target for Enzyme Therapy Enhancement
  12. 492
    “…TBX20 is required for normal heart development and cardiac function in adult cardiomyocytes, yet its role in cardiac reprogramming remains undefined. …”
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    TBX20 Improves Contractility and Mitochondrial Function During Direct Human Cardiac Reprogramming
  13. 493
    “…Loss of DNA repair permitted normal heart development but subsequently caused progressive deterioration of cardiac function, resulting in overt congestive heart failure and premature death within 6 months. …”
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    DNA repair in cardiomyocytes is critical for maintaining cardiac function in mice
  14. 494
    “…RESULTS: Compared with the normal heart tissue (control group) samples, there were 213 DEGs in the heart tissue samples of patients with dilated cardiomyopathy (treat group), including 101 upregulated and 102 downregulated genes. …”
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    Selection of key genes for dilated cardiomyopathy based on machine learning algorithms and assessment of diagnostic accuracy
  15. 495
    “…RESULTS: Fifteen patients (3.3% of total) were diagnosed to have other sustained arrhythmias that included slow-fast type atrioventricular nodal reentrant tachycardia (AVNRT, n=6), atrioventricular reentrant tachycardia (AVRT, n=5) that utilized left posteroseptal (n=4) and parahisian bypass tract (n=1), atrial tachycardia (AT, n=2) originating from the foramen ovale (n=1) and the ostium of coronary sinus (n=1), sustained ventricular tachycardia (VT, n=2) involving one from the apical posterolateral wall of left ventricule in a normal heart and one from an anterolateral wall in an underlying myocardial infarction (MI). …”
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    Coexisting Sustained Tachyarrthymia in Patients With Atrial Fibrillation Undergoing Catheter Ablation
  16. 496
    “…In vitro, the mutant GATA4 protein has a reduced DNA binding affinity and transcriptional activity and abolishes a physical interaction with TBX5, a transcription factor critical for normal heart formation. To characterize the mutation in vivo, we generated mice harboring the same mutation, Gata4 G295S. …”
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    Congenital Heart Disease–Causing Gata4 Mutation Displays Functional Deficits In Vivo
  17. 497
    “…DISCUSSION: RhFFUS will determine if subtle changes on echocardiography represent the earliest changes of RHD or mere variations of normal heart anatomy. In turn it will inform criteria to be used in determining whether secondary antibiotic prophylaxis should be utilized in individuals with no clear history of ARF and minor abnormalities on echocardiography. …”
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    Rheumatic Fever Follow-Up Study (RhFFUS) protocol: a cohort study investigating the significance of minor echocardiographic abnormalities in Aboriginal Australian and Torres Strait Islander children
  18. 498
    “…Strength training (ST) determines concentric chamber remodelling maintaining a normal heart rate (HR). Aim of the study was to compare ET and ST athletes' heart using speckle tracking echocardiography (STE). …”
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    Endurance and Strength Athlete's Heart: Analysis of Myocardial Deformation by Speckle Tracking Echocardiography
  19. 499
    “…Among the patients, 37% had underlying rheumatic heart disease, 26% had prosthetic valves, 23.5% developed IE on top of a structurally normal heart and 8.6% had underlying congenital heart disease. …”
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    Impact of Routine Cerebral CT Angiography on Treatment Decisions in Infective Endocarditis
  20. 500
    “…BACKGROUND: Brugada syndrome (BrS) is a rare genetic cardiac arrhythmia that can lead to sudden cardiac death in patients with a structurally normal heart. Genetic variations in SCN5A can be identified in approximately 20-25% of BrS cases. …”
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    Comprehensive Genetic Characterization of a Spanish Brugada Syndrome Cohort
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