Search Results - "Pollnow, Stefan"
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1
Circle Method for Robust Estimation of Local Conduction Velocity High-Density Maps From Optical Mapping Data: Characterization of Radiofrequency Ablation Sites
Published in Frontiers in physiology (12-08-2022)“…Conduction velocity (CV) slowing is associated with atrial fibrillation (AF) and reentrant ventricular tachycardia (VT). Clinical electroanatomical mapping…”
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2
Automatic feature extraction algorithms for the assessment of in-vitro electrical recordings of rat myocardium with ablation lesions
Published in Current directions in biomedical engineering (01-09-2017)“…Cardiac arrhythmias are a widely spread disease in industrialized countries. A common clinical treatment for this disease is radiofrequency ablation (RFA), in…”
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Journal Article -
3
High-density Mapping Reveals Short-term Reversibility of Atrial Ablation Lesions
Published in Current directions in biomedical engineering (01-09-2018)“…Cardiac arrhythmias such as atrial fibrillation occur frequently in industrialized countries. Radiofrequency ablation (RFA) is a standard treatment if drug…”
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4
Automatic lung segmentation in the presence of alveolar collapse
Published in Current directions in biomedical engineering (01-09-2017)“…Lung ventilation and perfusion analyses using chest imaging methods require a correct segmentation of the lung to offer anatomical landmarks for the…”
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5
3D reconstruction of ablation lesions from in-vitro preparations using MRI
Published in Current directions in biomedical engineering (01-09-2017)“…Radiofrequency ablation is the gold standard for treating cardiac arrhythmias. However, the success rate of this procedure depends on numerous parameters. Wet…”
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6
Assessment of local high-density mapping for the analysis of radiofrequency ablation lesions in the left atrium
Published in Current directions in biomedical engineering (01-09-2017)“…Recent studies about the development of endocardial radiofrequency (RF) ablation lesions (ALs) tried to identify reliable electrogram (EGM) markers for…”
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7
Simulation of intracardiac electrograms around acute ablation lesions
Published in Current directions in biomedical engineering (01-09-2016)“…Radiofrequency ablation (RFA) is a widely used clinical treatment for many types of cardiac arrhythmias. However, nontransmural lesions and gaps between linear…”
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8
Integration of a semi-automatic in-vitro RFA procedure into an experimental setup
Published in Current directions in biomedical engineering (01-09-2016)“…Radiofrequency ablation (RFA) is a standard clinical procedure for treating many cardiac arrhythmias. In order to increase the success rate of this treatment,…”
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Journal Article -
9
Mini Electrodes on Ablation Catheters: Valuable Addition or Redundant Information?—Insights from a Computational Study
Published in Computational and mathematical methods in medicine (01-01-2017)“…Radiofrequency ablation has become a first-line approach for curative therapy of many cardiac arrhythmias. Various existing catheter designs provide high…”
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10
Hyperthermia dependence of cardiac conduction velocity in rat myocardium: Optical mapping and cardiac near field measurements
Published in 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) (01-07-2017)“…Hyperthermia during radiofrequency ablation causes reversible and irreversible changes of the electrophysiological properties of cardiac tissue. However, the…”
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Conference Proceeding Journal Article -
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A phantom with pulsating artificial vessels for non-invasive fetal pulse oximetry
Published in 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (01-01-2014)“…Arterial oxygen saturation of the fetus is an important parameter for monitoring its physical condition. During labor and delivery the transabdominal…”
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Conference Proceeding Journal Article -
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Mechanical power assessment of fast eye motions for energy harvesting in autonomous intraocular implants
Published in 2013 IEEE Biomedical Circuits and Systems Conference (BioCAS) (01-10-2013)“…Power supply of intelligent implants, as for example, an intraocular pressure sensor, cannot be handled with conventional voltage sources due to their limited…”
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Conference Proceeding