Results 131 to 140 of about 2,251,925 (277)

Device-Related Thrombus After Left Atrial Appendage Closure

open access: yes, 2018
Background: In patients with atrial fibrillation, left atrial appendage closure with the Watchman device prevents thromboembolism from the left atrial appendage; however, thrombus may form on the left atrial face of the device ...
Brijeshwar Maini   +9 more
core   +1 more source

Anatomical Determinants of the Left Atrial Electrograms: Wall Thickness and Myocardial Fat Infiltration

open access: yesJournal of Cardiovascular Electrophysiology, EarlyView.
ABSTRACT Introduction Electrogram peak‐to‐peak voltage depends on atrial wall structure and mapping configuration. We evaluated the relationship between computed tomography–derived atrial wall thickness, intramyocardial fat, myocardial muscle thickness, and electrogram voltage obtained with omnipolar, bipolar, and unipolar mapping.
Cecilia Granata   +21 more
wiley   +1 more source

Percutaneous left atrial appendage closure with the Watchman device: a systematic review

open access: yesAdvances in Interventional Cardiology
Atrial fibrillation (AF) is the most commonly observed arrhythmia in the world and its prevalence increases with age. The main and most severe complication of AF is ischemic stroke.
Jakub Maksym   +2 more
doaj   +1 more source

Impact of Ganglionated Plexus Ablation on Early Recurrence After Thoracoscopic Atrial Fibrillation Ablation: A Post Hoc Analysis of the AFACT Study

open access: yesJournal of Cardiovascular Electrophysiology, EarlyView.
Adjunctive ganglionated plexus (GP) ablation did not reduce early AF recurrence after thoracoscopic AF ablation but was associated with a later first recurrence. In the GP‐ablation group, early recurrence was associated with late recurrence; this exploratory finding is compatible with, but does not establish, a greater contribution of pre‐existing ...
Zhenyu Dong   +11 more
wiley   +1 more source

Pericardial Effusion After Left Atrial Appendage Closure: Timing, Predictors, and Clinical Impact. [PDF]

open access: yes
BACKGROUND Pericardial effusion (PE) is the most common serious left atrial appendage closure (LAAC) complication, but its mechanisms, time course, and prognostic impact are poorly understood. OBJECTIVES This study sought to assess the frequency,
Brugger, Nicolas   +15 more
core   +1 more source

Temporal Association Between Intrathoracic Impedance and Tachyarrhythmia Occurrence

open access: yesJournal of Cardiovascular Electrophysiology, EarlyView.
A decrease in intrathoracic impedance is temporally associated with subsequent AF occurrence and, at the episode level, with a shorter time to VT. These findings suggest that daily intrathoracic impedance may provide information on short‐term changes preceding tachyarrhythmia occurrence.
Monika Butkuvienė   +5 more
wiley   +1 more source

Giants in the cold: Morphological evidence for vascular heat retention in the viscera but not the skeletal muscle of the basking shark (Cetorhinus maximus)

open access: yesJournal of Fish Biology, EarlyView.
Abstract Fewer than 50 of the over 30,000 extant species of fishes have developed anatomical specializations facilitating endothermy in specific body regions. The plankton‐feeding basking shark (Cetorhinus maximus), traditionally classified as an ectotherm, was recently shown to have regionally endothermic traits such as centralized red muscle (RM ...
C. Antonia Klöcker   +9 more
wiley   +1 more source

Arctic lake trout (Salvelinus namaycush) show evidence of seasonal acclimation of cardiac adrenergic sensitivity but not heat tolerance

open access: yesJournal of Fish Biology, EarlyView.
Abstract Many Arctic fishes experience prolonged periods of extreme cold and large thermal variation over both rapid and seasonal time scales which challenge critical physiological functions. In the central Canadian Arctic, we caught wild adult lake trout (Salvelinus namaycush) acclimatized to winter and summer temperatures to determine the extent to ...
Emily P. Williams   +6 more
wiley   +1 more source

Comparison of lingual oscillometric and invasive blood pressure measurement in dogs under general anaesthesia

open access: yesJournal of Small Animal Practice, EarlyView.
Objectives The objective of the study was to evaluate agreement between tongue‐based oscillometric and invasive arterial blood pressure in anaesthetised dogs, assess performance against American College of Veterinary Internal Medicine and Association for the Advancement of Medical Instrumentation/European Society of Hypertension/International ...
C. Kyle, J. Deutsch
wiley   +1 more source

Prognostic impact of increase in left atrial volume following left atrial appendage closure: Insights from the OCEAN-LAAC registry

open access: yesInternational Journal of Cardiology: Heart & Vasculature
Background: Percutaneous left atrial appendage closure (LAAC) is an effective therapy to prevent thromboembolic events among patients with atrial fibrillation (AF).
Hideaki Nonaka   +26 more
doaj   +1 more source

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