Silvan Hess
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View article: Three-Compartment Phenotype Concept of Total Knee Arthroplasty Alignment: Mismatch Between Distal Femoral, Posterior Femoral, and Tibial Joint Lines
Three-Compartment Phenotype Concept of Total Knee Arthroplasty Alignment: Mismatch Between Distal Femoral, Posterior Femoral, and Tibial Joint Lines Open
It is crucial to emphasize that preoperative assessment of a patient's anatomy should include the anterior and posterior femoral joint lines. The extended FKP concept could aid in this assessment and help identify patients who are at risk …
View article: Orthopaedic surgeons display a positive outlook towards artificial intelligence: A survey among members of the AGA Society for Arthroscopy and Joint Surgery
Orthopaedic surgeons display a positive outlook towards artificial intelligence: A survey among members of the AGA Society for Arthroscopy and Joint Surgery Open
Purpose The purpose of this study was to evaluate the perspective of orthopaedic surgeons on the impact of artificial intelligence (AI) and to evaluate the influence of experience, workplace setting and familiarity with digital solutions o…
View article: Applications and accuracy of 3D‐printed surgical guides in traumatology and orthopaedic surgery: A systematic review and meta‐analysis
Applications and accuracy of 3D‐printed surgical guides in traumatology and orthopaedic surgery: A systematic review and meta‐analysis Open
Background Patient‐Specific Surgical Guides (PSSGs) are advocated for reducing radiation exposure, operation time and enhancing precision in surgery. However, existing accuracy assessments are limited to specific surgeries, leaving uncerta…
View article: Standardized multi‐planar reformation improves the reliability of the assessment of the anterolateral ligament in ACL‐deficient knees
Standardized multi‐planar reformation improves the reliability of the assessment of the anterolateral ligament in ACL‐deficient knees Open
Purpose The anterolateral ligament (ALL) is an important structure for controlling anterolateral rotatory stability of the knee. Its assessment, however, is difficult using standardized MRI images. The goal of this study was to assess the …
View article: Stress Radiographs in the Posterior Drawer Position at 90° Flexion Should Be Used for the Evaluation of the PCL in CR TKA with Flexion Instability
Stress Radiographs in the Posterior Drawer Position at 90° Flexion Should Be Used for the Evaluation of the PCL in CR TKA with Flexion Instability Open
The purpose of this study was to define a cut-off value for the posterior drawer position in stress radiography that confirms an insufficiency of the posterior cruciate ligament (PCL) in cruciate-retaining (CR) total knee arthroplasty (TKA…
View article: Ethnical Differences in Knee Phenotypes Indicate the Need for a More Individualized Approach in Knee Arthroplasty: A Comparison of 80 Asian Knees with 308 Caucasian Knees
Ethnical Differences in Knee Phenotypes Indicate the Need for a More Individualized Approach in Knee Arthroplasty: A Comparison of 80 Asian Knees with 308 Caucasian Knees Open
The purpose of this study was to determine the distribution of functional knee phenotypes in a non-osteoarthritic Asian population. The Stryker Orthopaedic Modeling and Analytics (SOMA) database was searched for CT scans of the lower limb …
View article: Osteoarthritic and non‐osteoarthritic patients show comparable coronal knee joint line orientations in a cross‐sectional study based on 3D reconstructed CT images
Osteoarthritic and non‐osteoarthritic patients show comparable coronal knee joint line orientations in a cross‐sectional study based on 3D reconstructed CT images Open
Purpose Recently introduced total knee arthroplasty (TKA) alignment strategies aim to restore the pre‐arthritic alignment of an individual patient. The native alignment of a patient can only be restored with detailed knowledge about the na…
View article: Diagnostic Algorithm in Patients with Flexion Instability after Cruciate-Retaining Total Knee Arthroplasty: A Case Report
Diagnostic Algorithm in Patients with Flexion Instability after Cruciate-Retaining Total Knee Arthroplasty: A Case Report Open
A posterior flexion instability due to insufficiency of the posterior cruciate ligament (PCL) in cruciate retaining (CR) total knee arthroplasty (TKA) is an important but underdiagnosed problem. We hereby suggest a diagnostic algorithm, as…
View article: A biomechanical study comparing the mean load to failure of two different osteosynthesis techniques for step-cut olecranon osteotomy
A biomechanical study comparing the mean load to failure of two different osteosynthesis techniques for step-cut olecranon osteotomy Open
SCOOTs fixed with TBW and compression screws showed similar loads to failure. A SCOOT fixed with compression screws might be a valuable alternative for surgeons when treating intraarticular distal humeral fractures. However, future in vivo…
View article: Injuries of Kaplan fibers in ACL deficient and reconstructed knees – redefining the structure and risk assessment on MRI using injury patterns
Injuries of Kaplan fibers in ACL deficient and reconstructed knees – redefining the structure and risk assessment on MRI using injury patterns Open
Objectives: To determine an injury pattern of knee structures along torn Kaplan fibers in ACL deficient knees and to observe the healing process of Kaplan fibers in ACL reconstructed knees. Methods: A total of 101 knee MRIs obtained betwee…
View article: Change of tibial tuberosity-trochlear groove (TT-TG) distance during total knee arthroplasty had no influence on clinical outcome and anterior knee pain
Change of tibial tuberosity-trochlear groove (TT-TG) distance during total knee arthroplasty had no influence on clinical outcome and anterior knee pain Open
Purpose The main purpose of this study was to determine whether there is a correlation between the change of tibial tuberosity-trochlear groove (TT-TG) distance and clinical outcomes after total knee arthroplasty (TKA). Methods A total of …
View article: A biomechanical study comparing the mean load to failure of two different osteosynthesis techniques for the Step-Cut Olecranon Osteotomy
A biomechanical study comparing the mean load to failure of two different osteosynthesis techniques for the Step-Cut Olecranon Osteotomy Open
Background: A tension band wiring technique is the current gold standard for osteosynthesis of olecranon osteotomies, although the technique has several practical disadvantages and its theoretical advantages have been questioned. The Step-…
View article: Functional knee phenotypes - A novel classification for the lower limb alignment based on the native alignment in young non-osteoarthritic patients
Functional knee phenotypes - A novel classification for the lower limb alignment based on the native alignment in young non-osteoarthritic patients Open
Aims and Objectives: In total knee arthroplasty (TKA), the postoperative coronal alignment is a key factor for good clinical outcome. At the same time, the optimal alignment has been under debate recently. This debate usually focuses on th…
View article: Variability of functional knee phenotypes in osteoarthritic knees shows that a more personalized approach in TKA is needed
Variability of functional knee phenotypes in osteoarthritic knees shows that a more personalized approach in TKA is needed Open
Aims and Objectives: Recently, the functional knee phenotype concept was introduced as a new system to classify the coronal alignment of the lower limb. Until now, this concept has only been applied to non-osteoarthritic knees. The purpose…
View article: Correction to: Healthy knees have a highly variable patellofemoral alignment: a systematic review
Correction to: Healthy knees have a highly variable patellofemoral alignment: a systematic review Open
Authors would like to add the below acknowledgement statement to the original article.