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Simplified Outcome Prediction in Patients Undergoing Transcatheter Tricuspid Valve Intervention by Survival Tree-Based Modelling.
JACC Adv
January 2025
Department of General and Interventional Cardiology, Heart and Diabetes Center North Rhine-Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany. Electronic address:
Background: Patients with severe tricuspid regurgitation (TR) typically present with heterogeneity in the extent of cardiac dysfunction and extra-cardiac comorbidities, which play a decisive role for survival after transcatheter tricuspid valve intervention (TTVI).
Objectives: This aim of this study was to create a survival tree-based model to determine the cardiac and extra-cardiac features associated with 2-year survival after TTVI.
Methods: The study included 918 patients (derivation set, n = 631; validation set, n = 287) undergoing TTVI for severe TR.
Prognostic utility of assessing ventricular-arterial coupling in arterial hypertension and cardiovascular diseases.
Minerva Cardiol Angiol
January 2025
Department of Anatomy and Embryology, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, the Netherlands.
The assessment of myocardial function and its coupling with the arterial system, called ventricular-arterial coupling (VAC), is of paramount importance in many clinical fields, from arterial hypertension, which is the main cause of cardiovascular diseases and death, to heart failure. VAC has been the subject of studies for several decades both from an energetic cost and the impact it can exert on cardiovascular performance. Although more attention has been paid to the relationship between the left ventricle and the left arterial circuit in compromised hemodynamic stages, VAC has aroused interest in many other aspects of study, from its application in pathologies of the right sections of the heart to its clinical impact in prevention and cardiovascular risk factors.
View Article and Find Full Text PDFDecreased prefrontal activation during verbal fluency task after repetitive transcranial magnetic stimulation treatment for depression in Alzheimer's disease: a functional near-infrared spectroscopy study.
Front Aging Neurosci
January 2025
Department of Psychiatry, Affiliated Kangning Hospital of Ningbo University, Ningbo, China.
Background: Studies have shown the clinical effects of repetitive transcranial magnetic stimulation (rTMS) on depression in Alzheimer's disease (AD). However, the underlying mechanisms remain poorly understood. The measurement of brain activation links neurobiological and functional aspects but is challenging in patients with dementia.
View Article and Find Full Text PDFStrength training improves heart function, collagen and strength in rats with heart failure.
J Physiol Sci
January 2025
Experimental Physiology and Biochemistry Laboratory. Physical Education and Sport Center, Federal University of Espirito Santo, Vitoria, Brazil. Electronic address:
Background/objectives: Myocardial infarction (MI) frequently leads to cardiac remodeling and failure with impaired life quality, playing an important role in cardiovascular deaths. Although physical exercise is a well-recognized effective non-pharmacological therapy for cardiovascular diseases, the effects of strength training (ST) on the structural and functional aspects of cardiac remodeling need to be further documented. In this study, we aimed to investigate the role of a linear block ST protocol in the rat model of MI.
View Article and Find Full Text PDFMechanisms of aortic dissection: From pathological changes to experimental and models.
Prog Mater Sci
April 2025
Institute of Biomechanics, Graz University of Technology, Austria.
Aortic dissection continues to be responsible for significant morbidity and mortality, although recent advances in medical data assimilation and in experimental and models have improved our understanding of the initiation and progression of the accumulation of blood within the aortic wall. Hence, there remains a pressing necessity for innovative and enhanced models to more accurately characterize the associated pathological changes. Early on, experimental models were employed to uncover mechanisms in aortic dissection, such as hemodynamic changes and alterations in wall microstructure, and to assess the efficacy of medical implants.
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