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107 results on '"Aschenbach, Rene"'

3. Pulmonary Artery Calcification in a 57-Year-Old Man.

Author

Hauptmann, Lisa, Ruhe, Johannes, Xylander, Anna, Autsch, Angelina, Aschenbach, Rene, Wolf, Gunter, and Busch, Martin

Subjects
ARTERIAL calcification, PULMONARY artery, TYPE 2 diabetes, OXYGEN saturation, CHRONIC kidney failure
Abstract

A 57-year-old man was admitted to our hospital via the ED presenting in reduced general condition because of an infection of unknown origin, generalized edema, and dyspnea at rest (peripheral capillary oxygen saturation, 89%) that required 2 L/min intranasal oxygen. Anamnesis was complicated by an infection-triggered delirium, but his wife reported an increasing physical decay that had led to bed confinement. The BP was reduced at 88/55 mm Hg with a normal heart rate of 86 beats/min. Lung auscultation showed mild bipulmonal rales. Previous comorbidities were a BMI of 42 kg/m2, an insulin-dependent type 2 diabetes mellitus with a severe diabetes-related chronic kidney disease stage G4A3, and systemic arterial hypertension. [ABSTRACT FROM AUTHOR]

Published
2024
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9. Accessing the stapedius muscle via novel surgical retrofacial approach during cochlear implantation surgery: Intraoperative results on feasibility and safety

Author

Guntinas-Lichius, Orlando, primary, Arnold, Dirk, additional, Volk, Gerd Fabian, additional, Korth, Daniela, additional, Aschenbach, Rene, additional, Hempel, Johann-Martin, additional, Schneider, Fritz, additional, Schade-Mann, Thore, additional, Gamerdinger, Philipp, additional, Tropitzsch, Anke, additional, and Löwenheim, Hubert, additional

Published
2022
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17. Impact of a Heutagogical, Multimedia-Based Teaching Concept to Promote Self-Determined, Cooperative Student Learning in Clinical Radiology

Author

Teichgräber, Ulf, additional, Ingwersen, Maja, additional, Mentzel, Hans-Joachim, additional, Aschenbach, Rene, additional, Neumann, Rotraud, additional, Franiel, Tobias, additional, Herzog, Aimée Barbara, additional, Böttcher, Joachim, additional, Pfeil, Alexander, additional, Mensel, Birger, additional, Kühnel, Christian, additional, Freesmeyer, Martin, additional, Fischer, Martin R., additional, and Zottmann, Jan, additional

Published
2020
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24. Adressen

Author

Kainer, Franz, Aschenbach, René, Bamberg, Christian, Becke-Jakob, Karin, Beilecke, Kathrin, Botez, Ciprian, Dennhöfer, Adrian, Finke, Julia, Garcia-Katerna, Angela, Haide, Sergej, Henrich, Wolfgang, Hollatz-Galuschki, Elsa, Horky, Alex, Kellermann, Pia, Knabl, Julia, Meier, Franziska, Owsianowski, Zbigniew, Rauber, Susanne, Regner, Kerstin, Rensinghoff, Jelena, Schoen, Annette, Shiozawa-Bayer, Thomas, Steinhoff-Kellner, Alina, Sterner, Ita, Strauß, Lyusyena, Teichgräber, Ulf, Tunn, Ralf, and Weiß, Alexander

Published
2023
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26. Intervention planning using a laser navigation system for CT-guided interventions : a phantom and patient study

Author

Gruber-Rouh, Tatjana, Lee, Clara, Bolck, Jan, Naguib, Nagy Naguib Naeem, Schulz, Boris, Eichler, Katrin, Aschenbach, Rene, Wichmann, Julian, Vogl, Thomas J., Zangos, Stephan, Gruber-Rouh, Tatjana, Lee, Clara, Bolck, Jan, Naguib, Nagy Naguib Naeem, Schulz, Boris, Eichler, Katrin, Aschenbach, Rene, Wichmann, Julian, Vogl, Thomas J., and Zangos, Stephan

Abstract

Objective: To investigate the accuracy, efficiency and radiation dose of a novel laser navigation system (LNS) compared to those of free-handed punctures on computed tomography (CT). Materials and methods: Sixty punctures were performed using a phantom body to compare accuracy, timely effort, and radiation dose of the conventional free-handed procedure to those of the LNS-guided method. An additional 20 LNS-guided interventions were performed on another phantom to confirm accuracy. Ten patients subsequently underwent LNS-guided punctures. Results: The phantom 1-LNS group showed a target point accuracy of 4.0 ± 2.7 mm (freehand, 6.3 ± 3.6 mm; p = 0.008), entrance point accuracy of 0.8 ± 0.6 mm (freehand, 6.1 ± 4.7 mm), needle angulation accuracy of 1.3 ± 0.9° (freehand, 3.4 ± 3.1°; p < 0.001), intervention time of 7.03 ± 5.18 minutes (freehand, 8.38 ± 4.09 minutes; p = 0.006), and 4.2 ± 3.6 CT images (freehand, 7.9 ± 5.1; p < 0.001). These results show significant improvement in 60 punctures compared to freehand. The phantom 2-LNS group showed a target point accuracy of 3.6 ± 2.5 mm, entrance point accuracy of 1.4 ± 2.0 mm, needle angulation accuracy of 1.0 ± 1.2°, intervention time of 1.44 ± 0.22 minutes, and 3.4 ± 1.7 CT images. The LNS group achieved target point accuracy of 5.0 ± 1.2 mm, entrance point accuracy of 2.0 ± 1.5 mm, needle angulation accuracy of 1.5 ± 0.3°, intervention time of 12.08 ± 3.07 minutes, and used 5.7 ± 1.6 CT-images for the first experience with patients. Conclusion: Laser navigation system improved accuracy, duration of intervention, and radiation dose of CT-guided interventions.

Published
2015

27. Einfluss der Tumorgröße auf die pegelabhängigen Wellenlatenzveränderungen der Click-evozierten FAEP bei Patienten mit 'kleinen' Vestibularisschwannomen

Author

Baljic, Izet, Börner, Evelyn, Aschenbach, Rene, Eßer, Dirk, and Guntinas-Lichius, Orlando

Subjects
ddc: 610, 610 Medical sciences, Medicine
Abstract

Einleitung: Das prognostische Potenzial der clickevozierten FAEP im Rahmen der Vestibularisschwannom-Diagnostik wird bei Tumoren, 84. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie

Published
2013

29. Prophylactic Transcatheter Arterial Embolization After Successful Endoscopic Hemostasis in the Management of Bleeding Duodenal Ulcer

Author

Mille, Markus, primary, Huber, Juliane, additional, Wlasak, Rüdiger, additional, Engelhardt, Thomas, additional, Hillner, Yvette, additional, Kriechling, Henri, additional, Aschenbach, Rene, additional, Ende, Katrin, additional, Scharf, Jens-Gerd, additional, Puls, Ralf, additional, and Stier, Albrecht, additional

Published
2015
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31. Diffusionsbildgebung und ADC-Mapping von Glomus jugulare Tumoren: Erste Erfahrungen

Author

Aschenbach, Rene, Fritzsche, Kai, and Eßer, Dirk

Subjects
ddc: 610, 610 Medical sciences, Medicine
Abstract

Hintergrund: Paragangliome sind seltene benigne Tumoren. In seltenen Fällen ist jedoch eine Abgrenzungen zu wichtigen Differentialdiagnosen nicht möglich. Methoden: In unsere Studie wurden 10 Patienten mit Raumforderungen der Schädelbasis eingeschlossen, 7 Glomus-jugulare-Tumoren,[for full text, please go to the a.m. URL], 93. Jahrestagung der Vereinigung Südwestdeutscher Hals-Nasen-Ohrenärzte

Published
2009

36. Multi-Modality-Imaging for Radiosurgery Planning of Arteriovenous Malformations.

Author

Buzug, Thorsten M., Holz, Dietrich, Bongartz, Jens, Kohl-Bareis, Matthias, Hartmann, Ulrich, Weber, Simone, Hamm, Klaus-D., Eger, Cornelia, Surber, Gunnar, Kleinert, Gabriele, Aschenbach, Rene, and Klisch, Joachim

Abstract

For arteriovenous malformations (AVMs) radiosurgery (RS) is a well-established treatment option. The needed high precise dose application is depending on the availability of imaging data sets with superior image quality that can be superimposed using an image fusion algorithm. Digital subtraction angiography (DSA) has to be integrated because it is a mandatory tool for RS planning procedure. In 34 patients suffering from an AVM various MR data sets including T1-weighted series and TOF angiographies (time of flight) were used together with the stereotactically localized CT and DSA data sets radiosurgery planning. All available image data sets were fused onto the CT data set using an automatic image fusion algorithm, in order to define the AVM nidus very precisely. The nidus was outlined in both localized DSA projections resulting in a DSA volume. Subsequently this DSA volume of the AVM has been adapted by inclusion of all available CT and MRI informations slice by slice resulting in the final target volume. We investigate in which cases the DSA volume and the finally treated target volume of the AVM were in agreement. The used thin-slice MR data sets (1-2 mm slice width) have been precisely fused onto the stereotactically localized treatment planning CT. The finally treated target volume was compared with the DSA volume of the AVM nidus as follows: In 19 cases the final target volume was larger than the DSA volume, in 6 it was smaller and 5 it was approximately equal. The difference was significant (Wilcoxon test: difference<0.0001; t-test: t=3.01, p>0.005). In 4 cases outlining the AVM was not possible without DSA. In 5 patients a two- or three-vessel DSA was needed, since there were different AVM compartments. In cases where previously a partial embolization had been undergone, the use of superimposed CT sets with, and without, contrast medium was important in order to define the completely embolized partial volumes that were not subject to treatment. The inclusion of the DSA images enabled a better identification of those arterialized veins that did not belong to the nidus. The exact 3-dimensional definition of the AVM nidus has been realized safely by integrating all available imaging modalities. The stereotactic DSA data acquisition remains a crucial tool for safe nidus definition in radiosurgery treatment planning. [ABSTRACT FROM AUTHOR]

Published
2007
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42. Atherektomie

Author

Sixt, S., Teichgräber, Ulf, editor, Aschenbach, René, editor, Scheinert, Dierk, editor, and Schmidt, Andrej, editor

Published
2018
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44. Laseratherektomie

Author

Bürckenmeyer, F., Werk, M., Teichgräber, U., Teichgräber, Ulf, editor, Aschenbach, René, editor, Scheinert, Dierk, editor, and Schmidt, Andrej, editor

Published
2018
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