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Impact of under-assisted ventilation on diaphragm function and structure in a porcine model.
Anesthesiology
January 2025
Department of Anesthesiology and Critical Care Medicine B (DAR B), Saint-Eloi Hospital, University Teaching Hospital of Montpellier, 80 avenue Augustin Fliche, 34295 Montpellier, France.
Background: Long-term controlled mechanical ventilation (CMV) in intensive care unit (ICU) induces ventilatory-induced-diaphragm-dysfunction (VIDD). The transition from CMV to assisted mechanical ventilation is a challenge that requires clinicians to balance over-assistance and under-assistance. While the effects of over-assistance on the diaphragm are well known, we aimed to assess the impact of under-assistance on diaphragm function and structure in piglet model with pre-existing VIDD (after long-term CMV) or without VIDD (short-term CMV).
View Article and Find Full Text PDFA case report of long-latency evoked diaphragm potentials after exposure to acute intermittent hypoxia in post-West Nile virus meningoencephalitis.
J Neurophysiol
February 2025
Breathing Research and Therapeutics Center, Department of Physical Therapy, University of Florida, Gainesville, Florida, United States.
We present a case report of a 42-year-old female with post-West Nile virus meningoencephalitis who exhibited unique, long-latency diaphragm potentials evoked by transcranial and cervical magnetic stimulation after exposure to acute intermittent hypoxia (AIH). The subject was recruited for a study investigating AIH effects on respiratory motor function in healthy individuals. She had contracted West Nile virus infection 5 years before assessment that resulted in hospitalization and persistent allodynia but was not reported to the research team.
View Article and Find Full Text PDFResults of ICE-Guided Isolation of the Superior Vena Cava With Pulsed Field Ablation.
JACC Clin Electrophysiol
January 2025
Texas Cardiac Arrhythmia Institute, St. David's Medical Center, Austin, Texas, USA; Interventional Electrophysiology, Scripps Clinic, San Diego, California, USA; Metro Health Medical Center, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA; Department of Biomedicine and Prevention, Division of Cardiology, University of Tor Vergata, Rome, Italy. Electronic address:
Background: Earlier studies have documented the risk for sinoatrial node injury and phrenic nerve paralysis as complications following radiofrequency catheter ablation for electrical isolation of the superior vena cava (SVCI).
Objectives: The aim of this study was to assess the safety and feasibility of SVCI in patients with atrial fibrillation undergoing pulsed field ablation (PFA) METHODS: Six hundred sixteen consecutive patients undergoing PFA for pulmonary vein isolation plus SVCI were included in this multicenter analysis. Superior vena cava (SVC) ablation was performed under the continuous guidance of intracardiac echocardiography.
Incidence, Mechanism, and Management of Atrial Ablation Procedure Complications: A Literature Review.
Cardiol Rev
December 2024
Departments of Cardiology and Medicine, Westchester Medical Center, New York Medical College, Valhalla, NY.
Article Synopsis
- The popularity of atrial catheter ablation has surged as a leading treatment for supraventricular tachycardias, praised for its safety and effectiveness.
- Complications can occur at various stages, including vascular, thromboembolic, and mechanical issues, with atrial fibrillation ablation being notably riskier due to its complexity.
- Strategies to minimize risks involve advanced techniques like optimized anticoagulation and esophageal temperature monitoring, while emerging methods like pulsed-field ablation show promise for improved safety, pending further research.
Impact of the Individual Operator Experience and Learning Curve of a Novel Size Adjustable Cryoballoon.
J Cardiovasc Electrophysiol
December 2024
Department of Cardiovascular Medicine, Institute of Science Tokyo, Tokyo, Japan.
Article Synopsis
- Cryoballoon ablation is simpler than radiofrequency ablation and recent size-adjustable cryoballoons (SA-CBs) allow for more tailored treatment in atrial fibrillation (AF) patients.
- A study analyzed results from 510 AF patients treated by either experienced (E-group) or less experienced (LE-group) operators and found that while procedural safety and efficacy were similar, the E-group achieved better isolation rates, especially with larger balloons.
- The LE-group had a higher rate of pulmonary vein reconnection and slightly more complications, suggesting that operators with over 100 procedures had a significant advantage in mastering technique, particularly for right pulmonary veins.
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