Results 21 to 30 of about 806,625 (137)

Pulmonary vasoconstrictor action of KCNQ potassium channel blockers [PDF]

open access: yes, 2006
KCNQ channels have been widely studied in the nervous system, heart and inner ear, where they have important physiological functions. Recent reports indicate that KCNQ channels may also be expressed in portal vein where they are suggested to influence ...
Joshi, Shreena   +2 more
core   +5 more sources

Evaluation of pulmonary vein stenosis after pulmonary vein isolation using a novel circular mapping and ablation catheter (PVAC) [PDF]

open access: yes, 2011
Background—Pulmonary vein stenosis (PVST) is a well-known complication of pulmonary vein isolation (PVI). Specific anatomically designed ablation catheters for antral PVI have not been evaluated with regard to the incidence of PVST.
Hamer, Okka W   +18 more
core   +1 more source

Pulmonary Vein Stenosis: A Review

open access: yesCardiology Discovery, 2023
Pulmonary vein stenosis (PVS) is an extremely rare and lethal disease caused by multiple etiologies. PVS has a bimodal distribution in the population, affecting children and adults.
Mengfei Jia   +9 more
doaj   +1 more source

Combination Chemotherapy in Severe Pulmonary Vein Stenosis—A Case Series

open access: yes, 2023
Pulmonary vein stenosis results from a proliferative process that leads to the progressive obstruction of venous return to the left atrium. It is often resistant to catheterization and surgical based interventions and is frequently fatal when encountered
David Nykanen   +5 more
core   +1 more source

Pulmonary Vein Occlusion and Lung Infarction after Radiofrequency Ablation of Atrial Fibrillation

open access: yesCase Reports in Pulmonology, 2020
Background. Pulmonary vein (PV) radiofrequency ablation (RFA) is an effective technique for a selected group of patients with atrial fibrillation (AF) refractory to antiarrhythmic drugs (Alfudhili et al., 2017).
Julyan Al Fori   +5 more
doaj   +1 more source

Innominate vein reconstruction in patients with bilateral superior vena cava undergoing bilateral bidirectional superior cavopulmonary anastomosis

open access: yesAnnals of Pediatric Cardiology, 2023
A 4.5-year-old patient with tricuspid atresia, pulmonary stenosis, bilateral superior vena cava veins with absent innominate vein, and hypoplasia of the left pulmonary artery required a bidirectional superior cavopulmonary anastomosis. An innominate vein
Sachin Talwar   +4 more
doaj   +1 more source

Prognostic Significance of Computed Tomography Findings in Pulmonary Vein Stenosis

open access: yes, 2021
(1) Pulmonary vein stenosis (PVS) can be a severe, progressive disease with lung involvement. We aimed to characterize findings by computed tomography (CT) and identify factors associated with death; (2) Veins and lung segments were classified into five ...
Rebecca S. Beroukhim   +3 more
core   +1 more source

Congenital Stenosis of Individual Pulmonary Veins [PDF]

open access: yesCirculation, 1962
The case is reported of an infant with congenital stenosis of each of the four individual pulmonary veins near the left atrium. The characteristic features were failure to thrive, increasing cyanosis and dyspnea, and death in congestive cardiac failure at 7 months of age. A precordial systolic murmur and an early systolic ejection click were heard; the
J D, SHONE   +4 more
openaire   +2 more sources

Catheter ablation of atrial fibrillation : radiofrequency catheter ablation for redo procedures after cryoablation [PDF]

open access: yes, 2013
Aim: To evaluate the effectiveness of two different strategies using radiofrequency catheter ablation for redo procedures after cryoablation of atrial fibrillation. Methods: Thirty patients (paroxysmal atrial fibrillation: 22 patients, persistent atrial
Gramley, Felix, Kettering, Klaus
core   +1 more source

Pulmonary Vein Stenosis Associated with Germline PIK3CA Mutation

open access: yes, 2022
Pulmonary vein stenosis is a rare and frequently lethal childhood disease. There are few known genetic associations, and the pathophysiology is not well known. Current treatments include surgery, interventional cardiac catheterization, and more recently,
Delphine Yung   +5 more
core   +1 more source

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