Results 61 to 70 of about 150,444 (209)

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

Unusual echocardiographic finding leading to diagnosis of pulmonary sequestration [PDF]

open access: yes, 2008
Pulmonary sequestration is an embryonic mass of non- functioning lung tissue that does not communicate with the tracheobronchial tree and has a reported incidence of 0.15%-6.4% of all the pulmonary malformations.
Arora, R.   +3 more
core  

Expression of mRNA for phospholipase A(2), cyclooxygenases, and lipoxygenases in cultured human umbilical vascular endothelial and smooth muscle cells and in biopsies from umbilical arteries and veins [PDF]

open access: yes, 1998
Arachidonic acid (AA) is released by phospholipase A(2) (PLA(2)) and then converted into vasoactive and inflammatory eicosanoids by cyclooxygenases (COX) and lipoxygenases (LOX).
Carlsson, Maria   +5 more
core   +1 more source

Treatment of atrial fibrillation with radiofrequency ablation and simultaneous multipolar mapping of the pulmonary veins

open access: yesArquivos Brasileiros de Cardiologia, 2001
OBJECTIVE: To demonstrate the feasibility and safety of simultaneous catheterization and mapping of the 4 pulmonary veins for ablation of atrial fibrillation.
Rocha Neto Almino C.   +2 more
doaj  

Morphological dilemma: Anomalous pulmonary venous confluence or cor triatriatum—does it matter?

open access: yesJournal of the Saudi Heart Association, 2018
Cardiac variant of total anomalous pulmonary venous return is a rare entity, whereby all the pulmonary veins drain directly to the right atrium or coronary sinus. The effective left heart blood flow channels through a small stretched patent foramen ovale
Nagarajan Muthialu
doaj   +1 more source

Reliability of Early Fetal Echocardiography for Congenital Heart Disease Detection: A Preliminary Experience and Outcome Analysis of 102 Fetuses to Demonstrate the Value of a Clinical Flow-Chart Designed for At-Risk Pregnancy Management [PDF]

open access: yes, 2016
Early fetal echocardiography (EFEC) is a fetal cardiac ultrasound analysis performed between the 12th and 16th week of pregnancy (compared with the usual 18-22 weeks).
Abed, M.m.   +8 more
core   +1 more source

Effect of heparin treatment on pulmonary embolism and in-hospital death in unvaccinated COVID-19 patients without overt deep vein thrombosis [PDF]

open access: gold, 2022
Bruno Bais   +17 more
openalex   +1 more source

A network of pulmonary vein thrombi is a risk factor for ischemic stroke, especially after cardiac surgery: A case report and mini review

open access: yesInternational Journal of Cardiology: Heart & Vasculature, 2015
Stroke remains a devastating complication following cardiac surgery. Pulmonary vein thrombi (PVT) are believed to be rare, but I have reported 37 cases of PVT in elderly patients with chest pain since 2012, indicating that PVT are not unusual.
Hidekazu Takeuchi
doaj   +1 more source

The discovery of lymphatic system as a turning point in medical knowledge: Aselli, Pecquet and the end of hepatocentrism [PDF]

open access: yes, 2017
In this paper, I would like to analyse the impact of the discovery of lymphatic system on the development of the modern conception of human body. The discovery of lymphatics, as that of blood circulation, has in fact questioned important tenets of Galen ...
Tonetti, Luca
core   +2 more sources

Pulmonary Vein Variation: A Case report study [PDF]

open access: yesMajallah-i Dānishgāh-i ’Ulūm-i Pizishkī-i Īlām
Introduction:  The heart consists of four chambers: the right atrium, right ventricle, left atrium, and left ventricle. Pulmonary veins return oxygenated blood from the lungs to the left atrium, typically through four veins—two from each lung—entering ...
Amirabbas Gharibi, Firoozeh Niazvand
doaj  

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