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  1. No Access

    Article

    Korrektur posttraumatischer Valgus- und Varusdeformitäten

    Die Deformität des Cubitus varus oder Cubitus valgus sind die häufigsten Spätfolgen von Frakturen des distalen Humerus im Kindesalter, insbesondere von suprakondylären und lateralen Kondylenfrakturen. Verschie...

    Pavel Kadantsev, Lorenz Fritsch, Sebastian Lappen, Konrad Mader in Arthroskopie (2024)

  2. No Access

    Article

    Bilaterales Snap**-Trizeps-Syndrom eines Freizeit-Bodybuilders – ein Case Report

    Das Snap**-Trizeps-Syndrom ist ein seltenes Phänomen, das am häufigsten bei jungen und sportlich aktiven Männern auftritt. Humerusdeformitäten, Hypertrophie des distalen Trizeps und ein Cubitus varus werden ...

    Pavel M. Kadantsev, Svenja A. Höger, Sebastian Lappen, Stephanie Geyer in Obere Extremität (2024)

  3. Article

    Open Access

    Treatment strategies for simple elbow dislocation - a systematic review

    Current treatment concepts for simple elbow dislocation involve conservative and surgical approaches. The aim of this systematic review was to identify the superiority of one treatment strategy over the other ...

    Franziska Lioba Breulmann, Sebastian Lappen in BMC Musculoskeletal Disorders (2024)

  4. No Access

    Article

    Therapie der Osteochondrosis dissecans

    Die Osteochondrosis dissecans (OD) ist eine seltene Erkrankung mit einer Inzidenz von 30/100.000. Sie betrifft insbesondere männliche Patienten im Alter von 10 bis 20 Jahren. Im Rahmen des stadienhaften Verlau...

    Franziska Breulmann, Julian Mehl, Alexander Otto, Sebastian Lappen in Die Orthopädie (2024)

  5. Article

    Open Access

    Correction to: Validation of a novel 3‑dimensional classification for degenerative arthritis of the shoulder

    Benjamin D. Kleim, Sebastian Lappen in Archives of Orthopaedic and Trauma Surgery (2023)

  6. Article

    Open Access

    Validation of a novel 3-dimensional classification for degenerative arthritis of the shoulder

    A novel three-dimensional classification to comprehensively describe degenerative arthritis of the shoulder (DAS) was recently published by our group. The purpose of the present work was to investigate intra- ...

    Benjamin D. Kleim, Sebastian Lappen in Archives of Orthopaedic and Trauma Surgery (2023)

  7. No Access

    Article

    Internal Bracing am Ellenbogen als Add-on bei ligamentärer Instabilität

    Das Internal Bracing des Ellenbogens hat in den vergangenen Jahren stetig an Bedeutung gewonnen. Biomechanische Untersuchungen zeigen eine vergleichbare Stabilität des Internal Bracing zu bandrekonstruktiven V...

    Pavel Kadantsev, Sebastian Lappen, Alexander Otto, Maximilan Hinz in Arthroskopie (2023)

  8. Article

    Open Access

    Partial ruptures of the distal triceps tendons show only slightly lower ultimate load to failure: a biomechanical study

    Partial ruptures of the distal triceps tendon are usually treated surgically from a size of > 50% tendon involvement. The aim of this study was to compare the ultimate load to failure of intact triceps tendons...

    Stephanie Geyer, Pavel Kadantsev, Daniel Bohnet in BMC Musculoskeletal Disorders (2023)

  9. Article

    Open Access

    All-suture anchors for distal biceps tendon repair: a preliminary outcome study

    The aim of this study was to retrospectively evaluate the clinical outcome of double intramedullary all-suture anchors’ fixation for distal biceps tendon ruptures.

    Sebastian Lappen, Stephanie Geyer in Archives of Orthopaedic and Trauma Surgery (2023)

  10. No Access

    Article

    Arthroskopisches Débridement bei lateraler Epikondylitis

    Die operative Versorgung der lateralen Epikondylitis ist Patienten vorbehalten, bei denen trotz umfassender konservativer Therapie keine zufriedenstellende Beschwerdelinderung eintritt. Als Alternative zum off...

    Sebastian Lappen, Prof. Dr. Sebastian Siebenlist MHBA in Die Orthopädie (2023)

  11. Article

    Open Access

    Midterm outcome and strength assessment after quadriceps tendon refixation with suture anchors

    Quadriceps tendon ruptures (QTR) occur predominantly in middle-aged patients through violent eccentric contraction that occurs either when trying to regain balance or during a fall on the hyperflexed knee. The...

    Stephanie Geyer, Felix Winden in European Journal of Orthopaedic Surgery & … (2023)

  12. Article

    Open Access

    Patient satisfaction, joint stability and return to sports following simple elbow dislocations: surgical versus non-surgical treatment

    While conservative management is commonly promoted for simple elbow dislocations, the importance of primary surgical treatment in these injuries is still undetermined. The objective of this study was to report...

    Stephanie Geyer, Lucca Lacheta in Archives of Orthopaedic and Trauma Surgery (2023)

  13. No Access

    Article

    Trizepssehnenrupturen

    Bei Rupturen der Trizepssehne handelt es sich zumeist um distale Avulsionsverletzungen am Olecranon ulnae, während proximale Trizepssehnenrupturen eine echte Rarität darstellen. Die Ruptur tritt in der Regel t...

    Sebastian Lappen, Pavel Kadantsev, Prof. Dr. med. Sebastian Siebenlist MHBA in Arthroskopie (2023)

  14. Article

    Open Access

    Distal biceps tendon ruptures occur with the almost extended elbow and supinated forearm – an online video analytic study

    Distal biceps tendon ruptures can lead to significant restrictions in affected patients. The mechanisms of injury described in scientific literature are based exclusively on case reports and theoretical models...

    Sebastian Lappen, Sebastian Siebenlist, Pavel Kadantsev in BMC Musculoskeletal Disorders (2022)

  15. No Access

    Chapter

    Arthroscopic Evaluation of Elbow Instability: An Alternative Technique

    The stability of the elbow joint depends on the bony, ligamentous, and musculoskeletal structures of the elbow. Arthroscopic instability tests are an add-on to patient’s history, clinical examination, and stan...

    Sebastian Lappen, Nadine Ott, Lars P. Müller in Arthroscopy and Endoscopy of the Elbow, Wr… (2022)

  16. No Access

    Article

    Einfluss der intraoperativen Gabe von Tranexamsäure auf den Blutverlust und das funktionelle Ergebnis nach offener Arthrolyse des Ellenbogens

    Sebastian Lappen, Prof. Dr. med. Benedikt Schliemann in Obere Extremität (2020)

  17. Article

    Open Access

    Distal triceps tendinopathies

    Tendinopathy of the distal triceps represents a rare pathology in the upper extremity. Although there is scant scientific evidence published to date, the association with risk factors such as internal diseases...

    Sebastian Lappen, Dr. med. Stephanie Geyer, Dr. med. Bastian Scheiderer in Obere Extremität (2020)

  18. No Access

    Article

    Langzeitergebnisse nach Ellenbogenoberflächenersatz der radialen Säule

    Sebastian Lappen, PD Dr. med. Andreas Lenich in Obere Extremität (2019)

  19. No Access

    Article

    Annular ligament reconstruction with the superficial head of the brachialis: surgical technique and biomechanical evaluation

    The purpose of this study was to perform biomechanical testing of annular ligament (AL) reconstruction using the superficial head of the brachialis tendon (SHBT) as a distally based tendon graft. We hypothesiz...

    Michael Hackl, Kilian Wegmann, Christian Ries in Surgical and Radiologic Anatomy (2017)

  20. Article

    Elbow Positioning and Joint Insufflation Substantially Influence Median and Radial Nerve Locations

    The median and radial nerves are at risk of iatrogenic injury when performing arthroscopic arthrolysis with anterior capsulectomy. Although prior anatomic studies have identified the position of these nerves, ...

    Michael Hackl MD, Sebastian Lappen in Clinical Orthopaedics and Related Research® (2015)

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