ENT-Surgery under Consideration of Optimal Nasal Air Flow
Our objective is to analyze and understand the physiology and patho-physiology of normal nasal breathing. To this end, airflow simulations based on computational fluid dynamics (CFD) are conducted for a highly detailed anatomy of the upper respiratory tract from the external nose deep into the trachea, including frontal and maxillary sinuses, as well as the ethmoid. Complex flow phenomena are investigated with regard to individual anatomy and its variations. We are aiming to gain insight into the relationship between morphology and flow behaviour in order to provide general treatment proposals and to develop computer assisted planning tools for decision support in functional rhinosurgery.
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2020 |
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Jan Brüning, Thomas Hildebrandt, Werner Heppt, Nora Schmidt, Hans Lamecker, Angelika Szengel, Natalja Amiridze, Heiko Ramm, Matthias Bindernagel, Stefan Zachow, Leonid Goubergrits | Characterization of the Airflow within an Average Geometry of the Healthy Human Nasal Cavity | Scientific Reports, 3755(10), 2020 |
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Natalja Amiridze | Morphological indicators for limitations in nasal breathing | Bachelor's thesis, Freie Universität Berlin, Stefan Zachow, Heiko Ramm (Advisors), 2020 |
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2019 |
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Thomas Hildebrandt, Jan Joris Bruening, Hans Lamecker, Stefan Zachow, Werner Heppt, Nora Schmidt, Leonid Goubergrits | Digital Analysis of Nasal Airflow Facilitating Decision Support in Rhinosurgery | Facial Plastic Surgery, 35(1), pp. 1-8, 2019 |
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Steffen Oeltze-Jaffra, Monique Meuschke, Mathias Neugebauer, Sylvia Saalfeld, Kai Lawonn, Gabor Janiga, Hans-Christian Hege, Stefan Zachow, Bernhard Preim | Generation and Visual Exploration of Medical Flow Data: Survey, Research Trends, and Future Challenges | Computer Graphics Forum, 38(1), pp. 87-125, 2019 |
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Thomas Hildebrandt, Jan Joris Bruening, Nora Laura Schmidt, Hans Lamecker, Werner Heppt, Stefan Zachow, Leonid Goubergrits | The Healthy Nasal Cavity - Characteristics of Morphology and Related Airflow Based on a Statistical Shape Model Viewed from a Surgeon’s Perspective | Facial Plastic Surgery, 35(1), pp. 9-13, 2019 |
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2017 |
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Jan Brüning, Leonid Goubergrits, Werner Heppt, Stefan Zachow, Thomas Hildebrandt | Numerical Analysis of Nasal Breathing - A Pilot Study | Facial Plastic Surgery, 33(4), pp. 388-395, 2017 |
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2013 |
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Thomas Hildebrandt, Leonid Goubergrits, Werner Heppt, Stefan Bessler, Stefan Zachow | Evaluation of the Intranasal Flow Field through Computational Fluid Dynamics (CFD) | Journal of Facial and Plastic Surgery, 29(2), pp. 93-98, 2013 |
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2011 |
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Thomas Hildebrandt | Das Konzept der Rhinorespiratorischen Homöostase – ein neuer theoretischer Ansatz für die Diskussion physiologischer und physikalischer Zusammenhänge bei der Nasenatmung | Doctoral thesis, Albert-Ludwigs-Universität Freiburg, Werner Heppt, Stefan Zachow (Advisors), 2011 |
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2009 |
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Bertram Wölk | Generierung hybrider Gitter für die Strömungssimulation auf komplexen anatomischen Geometrien | Master's thesis, Technische Universität Berlin, Marc Alexa, Stefan Zachow (Advisors), 2009 |
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Stefan Zachow, Philipp Muigg, Thomas Hildebrandt, Helmut Doleisch, Hans-Christian Hege | Visual Exploration of Nasal Airflow | IEEE Transactions on Visualization and Computer Graphics, 15(8), pp. 1407-1414, 2009 |
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2008 |
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Alexander Steinmann, Peter Bartsch, Stefan Zachow, Thomas Hildebrandt | Breathing Easily: Simulation of airflow in human noses can become a useful rhinosurgery planning tool | ANSYS Advantage, Vol.Vol. II, No. 1, pp. 30-31, 2008 |
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2007 |
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Stefan Zachow, Michael Zilske, Hans-Christian Hege | 3D reconstruction of individual anatomy from medical image data: Segmentation and geometry processing | ZIB-Report 07-41 (Appeared on CD-ROM: 25. ANSYS Conference & CADFEM Users' Meeting, Dresden, 2007, Proc. CD 2.12.15) |
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Werner Heppt, Thomas Hildebrandt, Alexander Steinmann, Stefan Zachow | Aesthetic and Function in Rhinoplasty | Springer Journal, Vol.264 (Suppl 1), RL 126, p. 307, 2007 |
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Thomas Hildebrandt, Stefan Zachow, Alexander Steinmann, Werner Heppt | Innovation in der Funktionell-Ästhetischen Nasenchirurgie: Rhino-CFD | Face, Int. Mag. of Orofacial Esthetics, pp. 20-23, 2007 |
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Stefan Zachow, Alexander Steinmann, Thomas Hildebrandt, Werner Heppt | Understanding nasal airflow via CFD simulation and visualization | Proc. Computer Aided Surgery around the Head, pp. 173-176, 2007 |
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2006 |
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Stefan Zachow, Alexander Steinmann, Thomas Hildebrandt, Rainer Weber, Werner Heppt | CFD simulation of nasal airflow: Towards treatment planning for functional rhinosurgery | Int. J. of Computer Assisted Radiology and Surgery, pp. 165-167, 2006 |
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