Results 241 to 250 of about 200,381 (301)

Systemic aging fuels heart failure: Molecular mechanisms and therapeutic avenues

ESC Heart Failure, Volume 12, Issue 2, Page 1059-1080, April 2025.
Abstract Systemic aging influences various physiological processes and contributes to structural and functional decline in cardiac tissue. These alterations include an increased incidence of left ventricular hypertrophy, a decline in left ventricular diastolic function, left atrial dilation, atrial fibrillation, myocardial fibrosis and cardiac ...
Zhuyubing Fang, Umar Raza, Jia Song, Junyan Lu, Shun Yao, Xiaohong Liu, Wei Zhang, Shujuan Li   +7 more
wiley   +1 more source

Biomarkers of lung congestion and injury in acute heart failure

ESC Heart Failure, Volume 12, Issue 2, Page 781-789, April 2025.
Abstract Acute heart failure (AHF) classification and management are primarily based on lung congestion and/or hypoperfusion. The quantification of the vascular and tissue lung damage is not standard practice though biomarkers of lung injury may play a relevant role in this context.
Marco Guazzi, Gabriele Novello, Francesca Bursi, Anna Caretti, Noemi Furlotti, Ross Arena, Paola Argiento, Julio Núñez, Antoni Bayes‐Genis, Marco Metra   +9 more
wiley   +1 more source

Comprehensive exploration of unexplained dyspnoea in subjects with normal ejection fraction and low natriuretic peptides

ESC Heart Failure, Volume 12, Issue 2, Page 879-887, April 2025.
Abstract Background Unexplained exertional dyspnoea without significant elevation of natriuretic peptides is common. One of the causes might be early heart failure with preserved ejection fraction (HFpEF). Aims This study aimed to characterize patients with exertional dyspnoea and normal/near‐to‐normal N‐terminal pro‐brain natriuretic peptide (NT ...
Emmanuelle Berthelot, Tarek Laouar, Antoine Beurnier, Nataliya Hrynchynshyn, Jean Christophe Eicher, Jean‐Michel Tartière, Patrick Jourdain, Olivier Lairez, Barnabas Gellen   +8 more
wiley   +1 more source

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Apparent arterial compliance

American Journal of Physiology-Heart and Circulatory Physiology, 1998
Recently, there has been renewed interest in estimating total arterial compliance. Because it cannot be measured directly, a lumped model is usually applied to derive compliance from aortic pressure and flow. The archetypical model, the classical two-element windkessel, assumes 1) system linearity and 2) infinite pulse wave velocity.
C M, Quick, D S, Berger, A, Noordergraaf
openaire   +2 more sources

True Arterial System Compliance Estimated From Apparent Arterial Compliance

Annals of Biomedical Engineering, 2000
A new method has been developed to estimate total arterial compliance from measured input pressure and flow. In contrast to other methods, this method does not rely on fitting the elements of a lumped model to measured data. Instead, it relies on measured input impedance and peripheral resistance to calculate the relationship of arterial blood volume ...
C M, Quick, D S, Berger, D A, Hettrick, A, Noordergraaf   +3 more
openaire   +2 more sources

Arterial compliance in uraemia

Journal of Hypertension, 1989
Aortic and brachial pulse wave velocity were measured in 26 haemodialysis patients in order to assess the effect of uraemic waste-product retention on arterial compliance. Dialysis with a 'low-calcium' dialysate (1.50 mmol/l) did not change the pulse wave velocity, but dialysis with a 'high-calcium' dialysate (1.75 mmol/l) induced a significant ...
S, Marchais, A, Guérin, M, Safar, G, London   +3 more
openaire   +2 more sources

Forearm arterial compliance: a new measure of arterial compliance?

Cardiovascular Research, 1984
This study has investigated the origin of the pulsatile expansion of the forearm recorded by the amplification of the pulsatile signal derived from a mercury in rubber plethysmograph. Venous occlusion to pressures of 40 mmHg had no effect on the amplitude of the volume pulse, suggesting that the volume pulse originates in vessels distended by pressures
exaly   +3 more sources

Nitroglycerin and arterial compliance

Acta Pharmacologica et Toxicologica, 1986
Abstract:The primary effect of nitrates on the circulatory system is a relaxation of capacitance vessels on the venous and arterial side, while dilatation of resistance vessels (arterioles) is a secondary phenomenon, or occurs only at higher doses. Relaxation of arteries may augment flow in conditions where these vessels offer an increased resistance ...
H, Westling, H, Anderson
openaire   +2 more sources

Evaluation of Arterial Compliance in Humans

Clinical and Experimental Hypertension, 1996
Compliance is a measure of the elastic properties of arterial vessels and is a function of blood pressure. In recent years new techniques have been developed which allow to measure arterial compliance non invasively and continuously over the range of existing blood pressure values.
GIANNATTASIO, CRISTINA, FAILLA, MONICA, Mangoni, A, Scandola, L, Fraschini, N, MANCIA, GIUSEPPE   +5 more
exaly   +3 more sources