C
Chieh-Han John Tzou
Researcher at Medical University of Vienna
Publications - 54
Citations - 983
Chieh-Han John Tzou is an academic researcher from Medical University of Vienna. The author has contributed to research in topics: Medicine & Transplantation. The author has an hindex of 15, co-authored 46 publications receiving 777 citations. Previous affiliations of Chieh-Han John Tzou include Sigmund Freud University Vienna & Vienna General Hospital.
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Journal ArticleDOI
Comparison of three-dimensional surface-imaging systems
Chieh-Han John Tzou,Nicole M. Artner,Igor Pona,Alina Hold,Eva Placheta,Walter G. Kropatsch,Manfred Frey +6 more
TL;DR: 3D surface-imaging systems are becoming important in today's plastic surgical set-ups, taking surgeons to a new level of communication with patients, surgical planning and outcome evaluation, and potential users should define their requirements and assignment of 3D surfaces imaging systems in their clinical as research environment before making the final decision for purchase.
Journal ArticleDOI
Three-dimensional video-analysis of facial movements in healthy volunteers☆
TL;DR: The evaluation of facial movements in 24 healthy volunteers showed that sex and age affect facial dynamics, and generated three-dimensional standard values for healthy facial movements.
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Dynamic reconstruction of eye closure by muscle transposition or functional muscle transplantation in facial palsy.
TL;DR: Qualitative and quantitative studies of the reconstructed lid movements by three-dimensional video analysis support the authors’ clinical concept of temporalis muscle transposition being the first-choice method in adult patients with facial palsy.
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Evolution of 3D surface imaging systems in facial plastic surgery.
Chieh-Han John Tzou,Manfred Frey +1 more
TL;DR: The chronologic evolution of 3D surface imaging is recounted, the current status of today's facial surface capturing technology is summarized, and the background information necessary for evaluating the systems and knowledge about the systems they might incorporate into their own practice is provided.
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Three-dimensional video analysis of the paralyzed face reanimated by cross-face nerve grafting and free gracilis muscle transplantation: quantification of the functional outcome.
Manfred Frey,Maria Michaelidou,Chieh-Han John Tzou,Igor Pona,Martina Mittlböck,Hans Gerber,Edgar Stüssi +6 more
TL;DR: Three-dimensional video analysis provided an exact quantitative documentation of the degree of facial palsy preoperatively and the reconstructed movements, and the value of free functional gracilis muscle transplantation was demonstrated for both variations of the technique.