Heiko Graichen
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View article: TEMPORARY REMOVAL: Machine Learning–Based Prediction of Complications and Residual Pain After Total Knee Arthroplasty
TEMPORARY REMOVAL: Machine Learning–Based Prediction of Complications and Residual Pain After Total Knee Arthroplasty Open
An XGBoost-based ML model incorporating AAHKS-defined risk factors showed moderate effectiveness in predicting postoperative complications following TKA. However, the model was unable to reliably predict residual pain. These findings under…
View article: Correlation between functional outcome and alterations of aHKA, PCOR, and Caton-Deschamps index following image-based robotic TKA in varus knees
Correlation between functional outcome and alterations of aHKA, PCOR, and Caton-Deschamps index following image-based robotic TKA in varus knees Open
Anatomic bony restoration in the coronal and sagittal plane was associated with better early outcomes. Even single-parameter deviations may impair results, underscoring the importance of accurate reconstruction in robotic TKA.
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: Same same but different—Image‐based versus imageless robotic‐assisted total knee arthroplasty!
Same same but different—Image‐based versus imageless robotic‐assisted total knee arthroplasty! Open
Robotic‐assisted total knee arthroplasty (RTKA) has gained widespread acceptance due to its demonstrated ability to improve surgical accuracy compared to conventional total knee arthroplasty (CTKA). While the precise impact of RTKA on post…
View article: AI may enable robots to make a clinical impact in total knee arthroplasty, where navigation has not!
AI may enable robots to make a clinical impact in total knee arthroplasty, where navigation has not! Open
Total knee arthroplasty (TKA) is on the verge of being revolutionized by artificial intelligence (AI), which will make it possible for robots to have a clinical influence in areas where navigation systems have been rendered ineffective. Na…
View article: Neutrality, normality, abnormality and pathology in coronal knee alignment: Why and how should we define it in the era of personalised medicine?
Neutrality, normality, abnormality and pathology in coronal knee alignment: Why and how should we define it in the era of personalised medicine? Open
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View article: Definition of normal, neutral, deviant and aberrant coronal knee alignment for total knee arthroplasty
Definition of normal, neutral, deviant and aberrant coronal knee alignment for total knee arthroplasty Open
Purpose One of the most pertinent questions in total knee arthroplasty (TKA) is: what could be considered normal coronal alignment? This study aims to define normal, neutral, deviant and aberrant coronal alignment using large data from a c…
View article: Tibia‐first, gap‐balanced patient‐specific alignment technique achieves well‐balanced gaps in 90% of cases by rebuilding bony anatomy within boundaries
Tibia‐first, gap‐balanced patient‐specific alignment technique achieves well‐balanced gaps in 90% of cases by rebuilding bony anatomy within boundaries Open
Purpose Patient‐specific alignment (PSA) technique tries to achieve balanced gaps and simultaneously rebuild the individual bony phenotype. The hypothesis was: PSA technique achieves balanced knees in a high percentage with more anatomical…
View article: The impact of different alignment strategies on bone cuts in total knee arthroplasty for varus knee phenotypes
The impact of different alignment strategies on bone cuts in total knee arthroplasty for varus knee phenotypes Open
Purpose The purpose of this study was to visualise the influence of alignment strategy on bone resection in varus knee phenotypes. The hypothesis was that different amounts of bone resection would be required depending on the alignment str…
View article: Digital TKA Alignment Training with a New Digital Simulation Tool (Knee-CAT) Improves Process Quality, Efficiency, and Confidence
Digital TKA Alignment Training with a New Digital Simulation Tool (Knee-CAT) Improves Process Quality, Efficiency, and Confidence Open
Individual alignment techniques have been introduced to restore patients’ unique anatomical variations during total knee arthroplasty. The transition from conventional mechanical alignment to individualised approaches, with the assistance …
View article: The impact of different alignment strategies on bone cuts for neutral knee phenotypes in total knee arthroplasty
The impact of different alignment strategies on bone cuts for neutral knee phenotypes in total knee arthroplasty Open
Purpose The purpose of this study was to simulate and visualise the influence of the alignment strategy on bone resection in neutral knee phenotypes. It was hypothesised that different amounts of bone resection would be required depending …
View article: Less religion and more science in the discussion of personalized alignment in total knee arthroplasty: we need to lead the transition process!
Less religion and more science in the discussion of personalized alignment in total knee arthroplasty: we need to lead the transition process! Open
Personalized alignment in total knee arthroplasty (TKA) is a current hot topic in orthopedic surgery, which has been fostered by the introduction of different novel alignment techniques such as adjusted mechanical alignment, kinematic alig…
View article: Arthroscopic lateral retinacular release improves patello‐femoral and femoro‐tibial kinematics in patients with isolated lateral retinacular tightness
Arthroscopic lateral retinacular release improves patello‐femoral and femoro‐tibial kinematics in patients with isolated lateral retinacular tightness Open
Purpose Arthroscopic lateral retinacular release (LRR) has long been considered the gold standard for the treatment for anterior knee pain caused by lateral retinacular tightness (LRT). However, one‐third of patients experience continuous …
View article: Quantitative assessment of acetabular bone defects: A study of 50 computed tomography data sets
Quantitative assessment of acetabular bone defects: A study of 50 computed tomography data sets Open
Within this study, 50 pelvises with acetabular bone defects were successfully analyzed using six parameters. This could provide the basis for a novel classification concept which would represent a quantitative, objective, unambiguous, and …
View article: Method for quantitative assessment of acetabular bone defects
Method for quantitative assessment of acetabular bone defects Open
The objective of the study was to suggest a novel quantitative assessment of acetabular bone defects based on a statistical shape model, validate the method, and present preliminary results. Two exemplary CT‐data sets with acetabular bone …