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A. Achtnich · SciRah

Researcher profile · Semantic Scholar

A. Achtnich

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A. Achtnich — researcher profile on SciRah

h-index: 27
Works: 164
Citations: 2,308

Most-cited papers

Varus alignment increases medial meniscus extrusion and peak contact pressure: a biomechanical study
L. Willinger, J. Lang, C. von Deimling, T. Diermeier +4 more
2019Knee Surgery, Sports Traumatology, Arthroscopy96 citations
Semantic Scholar
No dynamic extrusion of the medial meniscus in ultrasound examination in patients with confirmed root tear lesion
Katrin Karpinski, T. Diermeier, L. Willinger, A. Imhoff +2 more
2019Knee Surgery, Sports Traumatology, Arthroscopy68 citations
Semantic Scholar
Varus alignment aggravates tibiofemoral contact pressure rise after sequential medial meniscus resection
L. Willinger, J. Lang, Daniel P. Berthold, L. N. Muench +5 more
2019Knee Surgery, Sports Traumatology, Arthroscopy57 citations
Semantic Scholar
Anterior cruciate ligament autograft maturation on sequential postoperative MRI is not correlated with clinical outcome and anterior knee stability
P. Lutz, A. Achtnich, Vincent Schütte, K. Woertler +2 more
2021Knee Surgery, Sports Traumatology, Arthroscopy55 citations Open access
Semantic Scholar
Treatment of Combined Injuries to the ACL and the MCL Complex: A Consensus Statement of the Ligament Injury Committee of the German Knee Society (DKG)
D. Guenther, Thomas R. Pfeiffer, W. Petersen, A. Imhoff +21 more
2021Orthopaedic Journal of Sports Medicine53 citations Open access
Semantic Scholar
Derotational distal femoral osteotomy for patients with recurrent patellar instability and increased femoral antetorsion improves knee function and adequately treats both torsional and valgus malalignment
M. Hinz, M. Cotic, T. Diermeier, F. Imhoff +5 more
2022Knee Surgery, Sports Traumatology, Arthroscopy51 citations Open access
Semantic Scholar
Failure Analysis in Patients With Patellar Redislocation After Primary Isolated Medial Patellofemoral Ligament Reconstruction
M. Feucht, J. Mehl, P. Forkel, A. Achtnich +4 more
2020Orthopaedic Journal of Sports Medicine42 citations Open access
Semantic Scholar
Management after acute rupture of the anterior cruciate ligament (ACL). Part 1: ACL reconstruction has a protective effect on secondary meniscus and cartilage lesions
W. Petersen, D. Guenther, A. Imhoff, M. Herbort +18 more
2022Knee Surgery, Sports Traumatology, Arthroscopy38 citations Open access
Semantic Scholar
Management after acute injury of the anterior cruciate ligament (ACL), part 2: management of the ACL-injured patient
W. Petersen, M. Häner, D. Guenther, P. Lutz +19 more
2022Knee Surgery, Sports Traumatology, Arthroscopy34 citations
Semantic Scholar
Dynamic Q-angle is increased in patients with chronic patellofemoral instability and correlates positively with femoral torsion
F. Imhoff, M. Cotic, F. Dyrna, M. Cote +4 more
2020Knee Surgery, Sports Traumatology, Arthroscopy26 citations
Semantic Scholar
Clinical outcome and healing rate after meniscal bucket handle tear repair
L. N. Muench, A. Achtnich, Lukas Krivec, T. Diermeier +4 more
2022BMC Musculoskeletal Disorders23 citations Open access
Semantic Scholar
Promising clinical and magnetic resonance imaging results after internal bracing of acute posterior cruciate ligament lesions in multiple injured knees
A. Otto, Ahmed Helal, F. Imhoff, J. Mehl +5 more
2020Knee Surgery, Sports Traumatology, Arthroscopy23 citations
Semantic Scholar
Favorable long-term clinical and radiologic outcomes with high survivorship after autologous osteochondral transplantation of the talus
P. Winkler, S. Geyer, Daniela Walzl, K. Woertler +4 more
2022Knee Surgery, Sports Traumatology, Arthroscopy22 citations Open access
Semantic Scholar
Effectiveness of a home-based re-injury prevention program on motor control, return to sport and recurrence rates after anterior cruciate ligament reconstruction: study protocol for a multicenter, single-blind, randomized controlled trial (PReP)
D. Niederer, Matthias Keller, A. Achtnich, R. Akoto +17 more
2019Trials20 citations Open access
Semantic Scholar
Ärztinnen in der Orthopädie und Unfallchirurgie in Deutschland: ein aktueller Status quo
P. Lutz, J. Lenz, A. Achtnich, S. Geyer
2020Der Orthopade19 citations Open access
Semantic Scholar
Patellar sleeve avulsion fracture in a patient with Sinding-Larsen-Johansson syndrome: a case report
A. Schmidt-Hebbel, F. Eggers, Vincent Schütte, A. Achtnich +1 more
2020BMC Musculoskeletal Disorders13 citations Open access
Semantic Scholar
Ultrasound-based examination of the medial ligament complex shows gender- and age-related differences in laxity
P. Lutz, M. Feucht, Judith Wechselberger, M. Rasper +4 more
2020Knee Surgery, Sports Traumatology, Arthroscopy13 citations Open access
Semantic Scholar
Arthroskopische Refixation tibialer knöcherner Avulsionsverletzungen des hinteren Kreuzbands mit Faden-Button-Konstrukt
P. Forkel, A. Imhoff, A. Achtnich, L. Willinger
2019Operative Orthopädie und Traumatologie13 citations
Semantic Scholar
Why orthopaedics and trauma surgery loses part of its future workforce – a cross-sectional study of gender differences in medical students’ specialty choice
C. Ketzer, Amelie Sinz, Gregor Bielesch, Carolin Müller +4 more
2025BMC Medical Education10 citations Open access
Semantic Scholar
Ultrasound-based evaluation revealed reliable postoperative knee stability after combined acute ACL and MCL injuries
P. Lutz, Louisa S. Höher, M. Feucht, Jan Neumann +4 more
2021Journal of Experimental Orthopaedics10 citations Open access
Semantic Scholar
Autologous chondrocyte implantation combined with anterior cruciate ligament reconstruction: similar short-term results in comparison with isolated cartilage repair in ligament intact joints
J. Mehl, M. Feucht, A. Achtnich, A. Imhoff +8 more
2021Knee Surgery, Sports Traumatology, Arthroscopy10 citations Open access
Semantic Scholar
Patellarsehnenruptur
V. Schutte, A. Schmidt-Hebbel, A. Imhoff, A. Achtnich
2019Operative Orthopädie und Traumatologie10 citations
Semantic Scholar
Orthopaedic surgery residents with a mentor report greater self-assessed theoretical and practical preparedness than residents without a mentor.
J. Watrinet, A. Bumberger, P. Niemeyer, A. Achtnich +2 more
2024Knee Surgery, Sports Traumatology, Arthroscopy9 citations Open access
Semantic Scholar
Favorable rates of return to activity and work following lateral closing wedge distal femoral osteotomy for femoral-based symptomatic varus malalignment: an analysis at a mean 6-year follow-up
Marco-Christopher Rupp, Alexander Themessl, Michael Merkle, David Insam +6 more
2023Knee Surgery, Sports Traumatology, Arthroscopy9 citations Open access
Semantic Scholar
Superior Capsular Reconstruction Using an Acellular Dermal Xenograft or Allograft Improves Shoulder Function but Is Associated with a High Graft Failure Rate
Maximilian Hinz, L. Fritsch, H. Degenhardt, Marco-Christopher Rupp +5 more
2024Journal of Clinical Medicine8 citations Open access
Semantic Scholar
Movement Coordination during Functional Single-Leg Squat Tests in Healthy, Recreational Athletes
K. Ksoll, M. Cotic, Kathrin Schmalzl, K. Beitzel +5 more
2022Symmetry8 citations Open access
Semantic Scholar
Direct contact and very rapid valgus distortion characterise the injury mechanism of anterior cruciate ligament ruptures in judo.
R. Akoto, Julian Mehl, Theresa Diermeyer, A. Achtnich +2 more
2024Knee Surgery, Sports Traumatology, Arthroscopy7 citations Open access
Semantic Scholar
Psychological readiness for return to sport following distal femoral osteotomy in patients with recurrent patellar instability
Maximilian Hinz, Peter Rab, Moritz Brunner, Marco-Christopher Rupp +5 more
2025BMC Musculoskeletal Disorders6 citations Open access
Semantic Scholar
Varus osteotomy as a salvage procedure for young patients with symptomatic patellofemoral arthritis and valgus malalignment at short- to mid-term follow-up: a case series
Maximilian Hinz, Maximilian Weyer, Moritz Brunner, L. Fritsch +3 more
2024Archives of Orthopaedic and Trauma Surgery6 citations Open access
Semantic Scholar
Anatomic repair and ligament bracing as an alternative treatment option for acute combined PCL injuries involving the posteromedial or posterolateral corner—results of a multicentre study
T. Gensior, B. Mester, A. Achtnich, P. Winkler +7 more
2023Archives of Orthopaedic and Trauma Surgery6 citations Open access
Semantic Scholar
Arthroscopic one-step matrix-assisted bone marrow stimulation for the treatment of osteochondral defects of the talus
S. Geyer, Jens Mattes, W. Petersen, A. Imhoff +1 more
2021Operative Orthopädie und Traumatologie6 citations
Semantic Scholar
Lateral meniscus injuries have more impact on pivot shift than anterolateral complex injuries in anterior cruciate ligament‐injured knees
L. Willinger, A. Runer, R. Vieider, A. Achtnich +3 more
2025Knee Surgery, Sports Traumatology, Arthroscopy5 citations Open access
Semantic Scholar
Management after acute injury of the anterior cruciate ligament (ACL). Part 3: Recommendation on surgical treatment.
M. Häner, T. Stoffels, Daniel Guenther, Thomas Pfeiffer +22 more
2024Knee Surgery, Sports Traumatology, Arthroscopy5 citations
Semantic Scholar
Contributors to self-report motor function after anterior cruciate ligament reconstruction
D. Niederer, Natalie Mengis, Max Wießmeier, Matthias Keller +18 more
2023Scientific Reports5 citations Open access
Semantic Scholar
Primary Proximal ACL Repair: A Biomechanical Evaluation of Different Arthroscopic Suture Configurations
S. Rosslenbroich, A. Achtnich, Cathrin Brodkorb, C. Kösters +4 more
2023Journal of Clinical Medicine5 citations Open access
Semantic Scholar
Decision‐making in return to sport clearance after ACL reconstruction is primarily based on objective criteria: Insights from AGA knee experts
Philipp W. Winkler, A. Achtnich, C. Schoepp, Georg Brandl +7 more
2026Journal of Experimental Orthopaedics4 citations Open access
Semantic Scholar
Rehabilitation volume, psychological readiness, and motor function are important factors for a successful return to sport after anterior cruciate ligament reconstruction: A 2-year follow-up cohort study.
Daniel Niederer, Matthias Keller, Sarah Jakob, Max Wießmeier +16 more
2025Journal of Science and Medicine in Sport4 citations Open access
Semantic Scholar
Iatrogenic instability of the acromioclavicular joint leads to ongoing impairment of shoulder function even following secondary surgical stabilization
S. Geyer, A. Achtnich, A. Voss, Daniel P. Berthold +3 more
2022Archives of Orthopaedic and Trauma Surgery4 citations Open access
Semantic Scholar
Handlungsalgorithmus: Wiederkehr zum Sport nach Rekonstruktion des vorderen Kreuzbandes
A. Achtnich, Ralf Akoto, W. Petersen
2019Knie Journal4 citations
Semantic Scholar
Editorial Commentary: Back to the Past-Anterior Cruciate Ligament Repair Revisited.
W. Petersen, A. Achtnich
2019Arthroscopy: The Journal of Arthroscopy And Related4 citations Open access
Semantic Scholar
Patient‐specific psychological characteristics and personality structure affect post‐operative outcomes and readiness to return to sport following medial patellofemoral ligament reconstruction
Lisa Rahn, A. Achtnich, Moritz Brunner, L. N. Muench +4 more
2025Journal of Experimental Orthopaedics3 citations Open access
Semantic Scholar
Biceps Brachii Alterations Following the Latarjet Procedure: A Prospective Multicenter Study
L. Lacheta, Marco-Christopher Rupp, A. Achtnich, S. Braun +4 more
2021Journal of Clinical Medicine3 citations Open access
Semantic Scholar
Handlungsalgorithmus: Therapie der akuten Ruptur des vorderen Kreuzbands
W. Petersen, T. Stein, Daniel Günther, C. Schoepp +16 more
2020Knie Journal3 citations
Semantic Scholar
Handlungsalgorithmus: Infektion nach Rekonstruktion des vorderen Kreuzbandes
W. Petersen, M. Herbort, R. Akoto, A. Imhoff +1 more
2020Knie Journal3 citations
Semantic Scholar
Favourable mid‐ to long‐term clinical and functional outcomes and low redislocation rates following derotational distal femoral osteotomy for the treatment of recurrent patellofemoral instability
Peter Rab, A. Achtnich, Maximilian Hinz, Florian B Imhoff +5 more
2026Journal of Experimental Orthopaedics2 citations Open access
Semantic Scholar
A consensus-based classification of minor complications, major complications, and failure after anterior cruciate ligament reconstruction: A modified delphi study.
Riccardo D'Ambrosi, Jakob Ackermann, Adrian Deichsel, Larissa Eckl +44 more
2026Journal of ISAKOS Joint Disorders & Orthopaedic Sports Medicine2 citations Open access
Semantic Scholar
Outcome after isolated medial patellofemoral ligament reconstruction is dependent on age but not on body mass index or gender
Olivia Bohe, A. Schneider, A. Runer, Sebastian Siebenlist +1 more
2025Journal of Experimental Orthopaedics2 citations Open access
Semantic Scholar
Distal femoral osteotomy for the treatment of chronic patellofemoral instability improves gait patterns
Peter Rab, R. Vieider, Lorenz Fritsch, M. Cotic +4 more
2025Archives of Orthopaedic and Trauma Surgery2 citations Open access
Semantic Scholar
Verletzungen des vorderen Kreuzbands im Wachstumsalter
T. Diermeier, Frauke Wilken, A. Achtnich
2022Knie Journal2 citations
Semantic Scholar
Periphere Instabilitäten bei Läsionen des vorderen Kreuzbandes: Strategie bei chronischer medialer Instabilität
P. Lutz, Julian Mehl, A. Achtnich, P. Forkel +2 more
2020Knie Journal2 citations
Semantic Scholar

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A. Imhoff×21
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A. Imhoff — researcher profile on SciRah
C. Schoepp×10
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C. Schoepp — researcher profile on SciRah
W. Petersen×9
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W. Petersen — researcher profile on SciRah
P. Lutz×7
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P. Lutz — researcher profile on SciRah

×7

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J. Mehl — researcher profile on SciRah

Maximilian Hinz×7

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Maximilian Hinz — researcher profile on SciRah

L. Willinger×6

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L. Willinger — researcher profile on SciRah

Amelie Stöhr×6

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Natalie Mengis×6

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Natalie Mengis — researcher profile on SciRah

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T. Diermeier×5

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T. Diermeier — researcher profile on SciRah