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Works (22)

The importance of the posterior osteoligamentous complex of the lumbar spine: dogma changing biomechanical insights

European Spine Journal
2025-02-06 | Journal article
DOI: 10.1007/s00586-025-08690-7
Contributors: Moritz Jokeit; Frédéric Cornaz; Jana F. Schader; Cooper L. Harshbarger; Anna-Katharina Calek; Sascha Jecklin; Jess G. Snedeker; Mazda Farshad; Jonas Widmer
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Posterior shoulder stability depends on acromial anatomy: a cadaveric, biomechanical study

Journal of Shoulder and Elbow Surgery
2024-12 | Journal article
DOI: 10.1016/j.jse.2024.09.047
Contributors: Bettina Hochreiter; Nhi Nguyen; Anna-Katharina Calek; Bastian Sigrist; David C. Ackland; Lukas Ernstbrunner; Eugene T. Ek; Christian Gerber
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Distal biceps tendon repair using a double intracortical button anatomic footprint repair technique

Journal of Shoulder and Elbow Surgery
2024-10 | Journal article
DOI: 10.1016/j.jse.2024.03.028
Contributors: Bettina Hochreiter; Franziska Eckers; Anna-Katharina Calek; J. Tristan Cassidy; Jeevaka E. Amaranath; Megan Leung; Eugene T. Ek
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The Contralateral Ankle Joint Is a Reliable Reference for Testing Syndesmotic Stability Using Bilateral External Torque CT

Foot & Ankle International
2024-09 | Journal article
DOI: 10.1177/10711007241262771
Contributors: Anna-Katharina Calek; Esteban Ongini; Bettina Hochreiter; Reto Sutter; Stephan H. Wirth; Silvan Beeler
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Clinical Outcomes Do Not Deteriorate Over Time Following Primary Reverse Total Shoulder Arthroplasty

JBJS Open Access
2024-07 | Journal article
DOI: 10.2106/JBJS.OA.23.00171
Contributors: Philipp Kriechling; Anna-Katharina Calek; Kimon Hatziisaak; Bettina Hochreiter; Samy Bouaicha; Karl Wieser
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Endplate weakening during cage bed preparation significantly reduces endplate load capacity

European Spine Journal
2024-07 | Journal article
DOI: 10.1007/s00586-024-08289-4
Contributors: Anna-Katharina Calek; Frédéric Cornaz; Mauro Suter; Marie-Rosa Fasser; Mazda Farshad; Jonas Widmer
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Reassessing the minimum 2-year follow-up standard after lumbar decompression surgery: a 2-month follow-up seems to be an acceptable minimum

The Spine Journal
2024-07 | Journal article
DOI: 10.1016/j.spinee.2024.03.018
Contributors: Anna-Katharina Calek; Bettina Hochreiter; Aaron J. Buckland
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Bilateral External Torque CT Reliably Detects Syndesmotic Lesions in an Experimental Cadaveric Study

Journal of Bone and Joint Surgery
2024-03-20 | Journal article
DOI: 10.2106/JBJS.23.00412
Contributors: Silvan Beeler; Esteban Ongini; Bettina Hochreiter; Reto Sutter; Arnd Viehöfer; Stephan Wirth; Anna-Katharina Calek
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Vertebropexy as a Ligamentous Stabilization for Degenerative Low-Grade Spondylolisthesis

JBJS Case Connector
2023 | Journal article
DOI: 10.2106/JBJS.CC.23.00413
Contributors: Mazda Farshad; Marie-Rosa Fasser; Jonas Widmer; Ines Unterfrauner; Jana Felicitas Schader; Anna-Katharina Calek
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Computer-assisted planning vs. conventional surgery for the correction of symptomatic mid-shaft clavicular nonunion and malunion

JSES International
2023-11 | Journal article
DOI: 10.1016/j.jseint.2023.07.005
Contributors: Bettina Hochreiter; Laura Victoria Saager; Christoph Zindel; Anna-Katharina Calek; Christoph Stern; Karl Wieser; Christian Gerber
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Load distribution on intervertebral cages with and without posterior instrumentation

The Spine Journal
2023-11 | Journal article
DOI: 10.1016/j.spinee.2023.10.017
Contributors: Anna-Katharina Calek; Frédéric Cornaz; Mauro Suter; Marie-Rosa Fasser; Sina Baumgartner; Philipp Sager; Mazda Farshad; Jonas Widmer
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Lumbar vertebropexy after unilateral total facetectomy

The Spine Journal
2023-11 | Journal article
DOI: 10.1016/j.spinee.2023.07.005
Contributors: Anna-Katharina Calek; Jonas Widmer; Marie-Rosa Fasser; Mazda Farshad
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Why is female gender associated with poorer clinical outcomes after reverse total shoulder arthroplasty?

Journal of Shoulder and Elbow Surgery
2023-11 | Journal article
DOI: 10.1016/j.jse.2023.04.034
Contributors: Bettina Hochreiter; Farah Selman; Anna-Katharina Calek; Philipp Kriechling; Tobias Götschi; Florian Grubhofer; Karl Wieser; Samy Bouaicha
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Interspinous and spinolaminar synthetic vertebropexy of the lumbar spine

European Spine Journal
2023-09 | Journal article
DOI: 10.1007/s00586-023-07798-y
Contributors: Anna-Katharina Calek; Franziska Altorfer; Marie-Rosa Fasser; Jonas Widmer; Mazda Farshad
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Biomechanical limitations of partial pediculectomy in endoscopic spine surgery

The Spine Journal
2023-07 | Journal article
DOI: 10.1016/j.spinee.2023.02.005
Contributors: Anna-Katharina Calek; Christos Tsagkaris; Marie-Rosa Fasser; Jonas Widmer; Vincent Hagel; Mazda Farshad
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Biomechanics after spinal decompression and posterior instrumentation

European Spine Journal
2023-06 | Journal article
DOI: 10.1007/s00586-023-07694-5
Contributors: Marco D. Burkhard; Anna-Katharina Calek; Marie-Rosa Fasser; Frédéric Cornaz; Jonas Widmer; José Miguel Spirig; Florian Wanivenhaus; Mazda Farshad
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Vertebropexy as a semi-rigid ligamentous alternative to lumbar spinal fusion

European Spine Journal
2023-05 | Journal article
DOI: 10.1007/s00586-023-07647-y
Contributors: Mazda Farshad; Christos Tsagkaris; Jonas Widmer; Marie-Rosa Fasser; Frédéric Cornaz; Anna-Katharina Calek
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Restoration of the patient-specific anatomy of the distal fibula based on a novel three-dimensional contralateral registration method

Journal of Experimental Orthopaedics
2022-12 | Journal article
DOI: 10.1186/s40634-022-00487-7
Contributors: Anna-Katharina Calek; Sandro Hodel; Bettina Hochreiter; Arnd Viehöfer; Sandro Fucentese; Stephan Wirth; Lazaros Vlachopoulos
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Biomechanics of Transforaminal Endoscopic Approaches

Spine
2022-09-07 | Journal article
DOI: 10.1097/BRS.0000000000004471
Contributors: Mazda Farshad; Vincent Hagel; José Miguel Spirig; Marie-Rosa Fasser; Marco Dimitri Burkhard; Jonas Widmer; Anna-Katharina Calek
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Aseptic Revision of Total Hip Arthroplasty With a Single Modular Femoral Stem and a Modified Extended Trochanteric Osteotomy—Treatment Assessment With the Forgotten Joint Score-12

Arthroplasty Today
2022-06 | Journal article
DOI: 10.1016/j.artd.2022.03.024
Contributors: Anna-Katharina Calek; Thomas Schöfl; Vilijam Zdravkovic; Pia Zurmühle; Andreas Ladurner
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Reverse total shoulder arthroplasty in wheelchair-dependent patients: a matched cohort study

Seminars in Arthroplasty: JSES
2022-06 | Journal article
DOI: 10.1053/j.sart.2021.12.007
Contributors: Anna-Katharina Calek; Bettina Hochreiter; Laura Victoria Saager; Philipp Kriechling; Florian Grubhofer; Karl Wieser
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Template guided cervical pedicle screw instrumentation

North American Spine Society Journal (NASSJ)
2022-06 | Journal article
DOI: 10.1016/j.xnsj.2022.100120
Contributors: Mazda Farshad; José Miguel Spirig; Elin Winkler; Daniel Suter; Nadja Farshad-Amacker; Jan-Sven Jarvers; Sven Kevin Tschöke; Christoph-Eckhard Heyde; Anna-Katharina Calek
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