Results 21 to 30 of about 2,500,398 (351)

Haemodynamic definitions and updated clinical classification of pulmonary hypertension

open access: yesEuropean Respiratory Journal, 2019
Since the 1st World Symposium on Pulmonary Hypertension (WSPH) in 1973, pulmonary hypertension (PH) has been arbitrarily defined as mean pulmonary arterial pressure (mPAP) ≥25 mmHg at rest, measured by right heart catheterisation. Recent data from normal
G. Simonneau   +7 more
semanticscholar   +1 more source

The physiological basis of pulmonary arterial hypertension

open access: yesEuropean Respiratory Journal, 2021
Pulmonary arterial hypertension (PAH) is a rare dyspnoea-fatigue syndrome caused by a progressive increase in pulmonary vascular resistance and eventual right ventricular (RV) failure.
R. Naeije, M. Richter, L. Rubin
semanticscholar   +1 more source

Transient but not genetic loss of miR-451 attenuates the development of pulmonary arterial hypertension [PDF]

open access: yes, 2013
<b>Rationale:</b> MicroRNAs are small non-coding RNAs involved in the regulation of gene expression and have recently been implicated in the development of pulmonary arterial hypertension (PAH).
Baker, Andrew H.   +5 more
core   +2 more sources

ERS statement on chronic thromboembolic pulmonary hypertension

open access: yesEuropean Respiratory Journal, 2020
Chronic thromboembolic pulmonary hypertension (CTEPH) is a rare complication of acute pulmonary embolism, either symptomatic or not. The occlusion of proximal pulmonary arteries by fibrotic intravascular material, in combination with a secondary ...
M. Delcroix   +28 more
semanticscholar   +1 more source

Pulmonary Hypertension [PDF]

open access: yesAmerican Journal of Respiratory and Critical Care Medicine, 2015
Pulmonary hypertension is said to occur when the mean pulmonary arterial pressure exceeds 25 mmHg at rest or 30 mmHg during exercise. There are many causes but the term Pulmonary arterial hypertension (PAH) is used to describe a rare group of illnesses that share histopathological similarities in the small muscularised pulmonary arterioles leading to ...
Ali Ataya, Johan Barretto, John Wynne
openaire   +4 more sources

Impact of targeted pulmonary arterial hypertension therapies in severe pulmonary hypertension in chronic lung diseases

open access: yesERJ Open Research, 2023
Research questions Patients with severe pulmonary hypertension associated with chronic lung disease have a poor prognosis. Targeted pulmonary arterial hypertension therapies might improve exercise capacity and outcome, but there are no guidelines on ...
Romain Naud   +10 more
doaj   +1 more source

A Case Report of Systemic Sclerosis Complicated by Biventricular Heart Failure, Pulmonary Hypertension and Review of Literature [PDF]

open access: yes, 2017
Background: Systemic sclerosis (SSc) is an autoimmune connective tissue disorder whose aetiology is not fully understood. Skin fibrosis and visceral organs involvement are the hallmarks, and the heart could be disproportionately or subtly involved ...
Akinboro AO   +3 more
core   +1 more source

Right heart size and function significantly correlate in patients with pulmonary arterial hypertension – a cross-sectional study

open access: yesRespiratory Research, 2018
Background The objective of this study was to assess, whether right atrial (RA) and ventricular (RV) size is related to RV pump function at rest and during exercise in patients with pulmonary arterial hypertension (PAH).
Lukas Fischer   +12 more
doaj   +1 more source

Exploratory analysis of the neutrophil to lymphocyte ratio in patients with pulmonary arterial hypertension

open access: yesBMC Pulmonary Medicine, 2017
Background Chronic inflammation emerges as a feature of the pathogenesis of pulmonary arterial hypertension (PAH) in experimental models. Alterations of circulating cell subsets have been observed in patients with PAH.
Lars Harbaum   +9 more
doaj   +1 more source

Temporal Trends in Diagnostic Hemodynamics and Survival of Patients with Pulmonary Hypertension: A Single-Center Study

open access: yesLife, 2023
Advances in the diagnosis and treatment of pulmonary hypertension (PH) have gradually improved the disease course. This retrospective cohort study aims to explore the diagnostic hemodynamic profile and survival of PH patients and their temporal changes ...
Georgios E. Papadopoulos   +12 more
doaj   +1 more source

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