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Ablation - Europe PMC

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Last Updated: 10 November 2022

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Open Radiofrequency Ablation Combined with Splenectomy and Pericardial Devascularization vs. Liver Transplantation for Hepatocellular Carcinoma Patients with Portal Hypertension and Hypersplenism: A Case-Matched Comparative Study.

Aim The aim of this paper is to determine the short- and long-term medical results of open radiofrequency ablation, as well as splenectomy and pericardial devascularization in portal hypertension and hypersplenism in hepatocellular carcinoma patients with portal hypertension and hypersplenism. Methods During the study period, the treatment results of a case-matched control group of HCC patients with portal hypertension and hypersplenism with open radiofrequency ablation, splenism, and pericardial devascularization were compared with the treatment results of a case-matched control group of HCC patients with portal hypertension and hypersplenism who underwent liver transplantation. Although the disease-free survival rates of the control group were higher than those of the study group's, no significant difference was made in either the cumulative overall survival time or the incidence of portal vein thrombosis between the two groups.

Source link: https://europepmc.org/article/MED/36345736


3.0-T closed MR-guided microwave ablation for HCC located under the hepatic dome: a single-center experience.

Purpose: Objectives: To evaluate the clinical safety and effectiveness of 3. 0-T closed MR-guided microwave ablation for the treatment of HCC in the hepatic dome. Methods from May 2018 to October 2020, 49 patients with 74 HCCs under the hepatic dome under MWA's influence under MWA's 3. 0-T closed MR guidance. MWA was compared to blood testing, liver/kidney function, and alpha fetoprotein and protein induced by vitamin k absent or antagonistic levels before and two months after MWA. The AFP and PIVKA levels dropped drastically at 2 months compared to two months, with no significant changes in routine blood tests and liver/kidney function. MWA under the hepatic dome is safe and effective for HCC lesions located under the hepatic dome.

Source link: https://europepmc.org/article/MED/35940593


Validation of the national Danish ablation database: a retrospective, registry-based validation study.

Aim. To validate the National Danish Ablation Database by investigating to see if the NDAD results match to medical records. Patients included in a study of patients undergoing ablation for atrial fibrillation in Denmark between 1 January 2016 and December 2016 were included in a series. Overall, the median PPV and NPV estimates were 90. 4% and 99. 4% at baseline, and 91. 7% and 99. 3% at follow-up. The information collected in NDAD aligns to a great extent with the patients' medical information, showing that NDAD is a trusted database with high reliability.

Source link: https://europepmc.org/article/MED/35866506


Hybrid ablation of atrial fibrillation: A unilateral left-sided thoracoscopic approach.

Hybrid ablation of atrial fibrillation is a minimally invasive epicardial ablation treatment that includes transvenous endocardial electrophysiologic confirmation and a touch-up of incomplete epicardial lesions as appropriate. Although studies have focused on a bilateral thoracoscopic HA strategy, results on a unilateral left-sided strategy are scarce. In the Maastricht University Medical Centre's unilateral left-sided HA for AF between 2015 and 2018, a prospectively collected cohort of all consecutive patients undergoing a unilateral left-sided HA for AF between 2015 and 2018. A unilateral left-sided HA consisting of pulmonary vein isolation, posterior left atrial wall isolation, and LA appendage exclusion was attempted in all patients. When allowing antiarrhythmic drugs, the chances of being free from supraventricular tachyarrhythmia recurrence was 80 percent [73-87] and 67% [58-76], respectively. Patients with paroxysmal and persistent AF ablation can be treated with an effective and safe method.

Source link: https://europepmc.org/article/MED/36349741


Effects of Radiofrequency Catheter Ablation for Premature Ventricular Complexes Originating from the Right Ventricular Outflow Tract on Right Ventricular Function.

A retrospectively accepted a total of 110 patients without structural heart disease who had undergone RFCA for RV outflow tract PVCs. Clinical findings were compared between the RV dysfunction and preserved RV function groups. The relationship between PVC burden and RV function was investigated. Before and after RFCA, patients with positive and unsuccessful RFCA were compared between patients with positive and unsuccessful RFCA. The RV dysfunction group had significantly higher PVC burden in the RV dysfunction group than in the static RV function group. In the patients with fruitful RFCA, improvements in FAC and GLS was significant, relative to the patients in whom RFCA struggled.

Source link: https://europepmc.org/article/MED/36349711


Gas-phase oxidation and nanoparticle formation in multi-element laser ablation plumes.

The size and compositions of agglomerated nanoparticles embedded in laser ablation plumes were measured in situ by optical emission spectroscopy, while a custom-built single particle mass spectrometer was used to determine the size and compositions of agglomerated nanoparticles distributed in laser ablation plumes. During plume development, oxidation of elements in the alloy target is found at various times, according to Emission spectra, and mass spectrometry results indicate fractal agglomerates contain all key alloying elements and their oxides. The multi-component target composition has a dramatic effect on molecular formation in the gas phase and the morphology, composition, and structure of nanoparticles and agglomerates that have formed, according to the researchers.

Source link: https://europepmc.org/article/MED/36285772


Laser Ablation Tomography (LATscan) as a new tool for anatomical studies of woody plants

Laser Ablation Tomography is a high-throughput imaging system that produces hundreds of images per minute. We present LATscan-derived anatomical data from eight woody stems of eight species and compare these findings to those obtained by traditional anatomical methods. LATscan has successfully demonstrated tissue composition by separating cell type, size, and shape, but also allows for the identification of distinct cell wall compositions based on different fluorescent signals on unstained samples. Because this new technology is used for both qualitative and quantitative analyses, LATscan can produce high-resolution 2D images and 3D reconstructions of woody plant samples.

Source link: https://europepmc.org/article/PPR/PPR567909


Musculoskeletal oncology and thermal ablation: the current and emerging role of interventional radiology.

Musculoskeletal tumoral diseases will benefit from a low-invasive approach that may reduce mortality and morbidity in particular. Patient care pathways and clinical management become more relevant as image-guided ablation techniques reduce their invasiveness and increase their effectiveness, while the collateral consequences and complications decrease, and better outcomes must be considered in patient care pathways and clinical management to improve outcomes. We present a literature review of the various percutaneous and non-invasive thermal ablation techniques that are currently available and may be used to treat musculoskeletal oncologic disorders.

Source link: https://europepmc.org/article/MED/36346453


Convergent Ablation for Persistent Atrial Fibrillation: Outcomes from a Single-Center Real-world Experience.

In chronic atrial fibrillation, particularly long-standing, success rates for conventional catheter ablation are suboptimal. Convergent hybrid ablation involves both endoscopic surgical epicardial and endocardial catheter ablation. Methods We conducted an observational investigation of patients undergoing ablation at a London cardiac center from 2012 to 2019. At baseline, 80% had persistent atrial fibrillation and 49. 3% had body mass index > 30 kilogram/m2 at baseline, and 19. 4% had left ventricular ejection fraction of 40% or less at baseline. At 1 year and 68. 5 percent over the overall sequel, 81. 3% at 1 year and 61. 5% over the overall follow-up. Redo atrial fibrillation ablation was required in 11 patients. During the longer follow-up period, extended atrial fibrillation duration was found with increased recurrence at 12 months and greater than five years with a shorter time to recoverence.

Source link: https://europepmc.org/article/MED/36346176

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions