Lukas Jud
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View article: Significant changes of the mechanical medial proximal tibial angle in dependence of internal and external rotation of the hinge axis in slope correcting infratuberositary tibial deflexion osteotomy
Significant changes of the mechanical medial proximal tibial angle in dependence of internal and external rotation of the hinge axis in slope correcting infratuberositary tibial deflexion osteotomy Open
Purpose Tibial deflexion osteotomy (TDO) is performed to correct an increased posterior tibial slope (PTS). Unintended rotation of the osteotomy and the hinge axis (HA) orientation can result in a postoperative deviation of the mechanical …
View article: Tibial tubercle osteotomy decreases femorotibial rotation in patients with patellar instability
Tibial tubercle osteotomy decreases femorotibial rotation in patients with patellar instability Open
View article: Increased femoral antetorsion results in decreased difference between the radiographic and anatomic determined Schoettle's point in MPFL reconstruction
Increased femoral antetorsion results in decreased difference between the radiographic and anatomic determined Schoettle's point in MPFL reconstruction Open
Purpose Medial patellofemoral ligament (MPFL) reconstruction serves as a cornerstone in surgical treatment of patellofemoral instability. An intraoperative lateral knee radiograph is used to identify the femoral insertion of the MPFL, resp…
View article: Opening wedge high tibial osteotomy using patient‐specific instruments and custom‐made plates results in accurate correction and improved clinical outcome measures at 1‐year follow‐up
Opening wedge high tibial osteotomy using patient‐specific instruments and custom‐made plates results in accurate correction and improved clinical outcome measures at 1‐year follow‐up Open
Purpose Achieving high accuracy is a primary goal in opening wedge high tibial osteotomy (HTO). However, literature on the combined use of patient‐specific instruments (PSI) and patient‐specific plates (PSP) remains limited. This study inv…
View article: Relationship between the distance from the tumor to major blood vessels and prognosis of deep soft tissue sarcomas
Relationship between the distance from the tumor to major blood vessels and prognosis of deep soft tissue sarcomas Open
A radiological "In contact" between the tumor and major blood vessels was a significant factor associated with poor prognosis and distant metastasis. Orthopedic oncologists should consider a treatment strategy based on the relationship bet…
View article: Quantity of lower muscle as a promising prognostic factor for overall survival in patients with bone and soft tissue sarcoma
Quantity of lower muscle as a promising prognostic factor for overall survival in patients with bone and soft tissue sarcoma Open
Decreased femoral muscle volume is a significant factor associated with poor OS. Therefore, it may be important for adult patients to maintain postoperative all-femoral muscle volume as much as possible.
View article: Combined Correction of Coronal and Rotational Deformities of the Femur With Distal Femoral Osteotomy Using Patient-Specific Instrumentation
Combined Correction of Coronal and Rotational Deformities of the Femur With Distal Femoral Osteotomy Using Patient-Specific Instrumentation Open
Background: Distal femoral osteotomy (DFO) can be used to simultaneously correct coronal and rotational deformities. Patient-specific instruments (PSIs) are known to be helpful in such complex osteotomies, but data on surgical accuracy for…
View article: The Sagittal Tibial Tubercle Trochlear-Groove Distance Is Not Equivalent on Magnetic Resonance Imaging and Computed Tomography Measurements in Patients With Patellar Instability
The Sagittal Tibial Tubercle Trochlear-Groove Distance Is Not Equivalent on Magnetic Resonance Imaging and Computed Tomography Measurements in Patients With Patellar Instability Open
Level IV, retrospective case comparative study.
View article: Small changes of femoral torsion in varus or valgus distal femoral osteotomy using patient-specific instruments
Small changes of femoral torsion in varus or valgus distal femoral osteotomy using patient-specific instruments Open
Purpose Hinge fractures show a relatively high incidence in varus and valgus distal femoral osteotomy (DFO) and can lead to delayed- or non-union. Another observed complication of a hinge fracture is an unintentional change of the postoper…
View article: Evaluating the Corrected Femoroepiphyseal Acetabular Roof Index in Patients With Borderline Dysplasia Undergoing Periacetabular Osteotomy or Hip Arthroscopy
Evaluating the Corrected Femoroepiphyseal Acetabular Roof Index in Patients With Borderline Dysplasia Undergoing Periacetabular Osteotomy or Hip Arthroscopy Open
Background: Identifying hip instability in symptomatic patients with borderline dysplasia of the hip (BDH) is of paramount importance, as it can influence both surgical decision-making and surgical outcomes. The femoroepiphyseal acetabular…
View article: Comparing Tibiofemoral Rotation Measurements Between Computed Tomography and Magnetic Resonance Imaging in Patients With Patellofemoral Instability
Comparing Tibiofemoral Rotation Measurements Between Computed Tomography and Magnetic Resonance Imaging in Patients With Patellofemoral Instability Open
Background: Tibiofemoral rotation is an emerging parameter, especially in assessing patellofemoral instability. However, reference values in the literature are inconsistent regarding the used imaging modality and do not consider the effect…
View article: Preoperative difference between 2D and 3D planning correlates with difference between planned and achieved surgical correction in patient‐specific instrumented total knee arthroplasty
Preoperative difference between 2D and 3D planning correlates with difference between planned and achieved surgical correction in patient‐specific instrumented total knee arthroplasty Open
Purpose The goals of this study were (1) to assess whether the preoperative difference between modalities and extent of deformity are associated with a higher difference between planned and achieved surgical correction and (2) if they yiel…
View article: Accuracy of Combined High Tibial Slope Correction Osteotomy Using 3-Dimensional-Planned Patient-Specific Instrumentation
Accuracy of Combined High Tibial Slope Correction Osteotomy Using 3-Dimensional-Planned Patient-Specific Instrumentation Open
Background: If an increased posterior tibial slope (PTS) and concomitant unicompartmental osteoarthritis are present, a simultaneous sagittal (slope) and coronal correcting high tibial osteotomy has been recommended. However, no study has …
View article: Correction: Conventional vs. endoscopic-assisted curettage of benign bone tumours. An experimental study
Correction: Conventional vs. endoscopic-assisted curettage of benign bone tumours. An experimental study Open
View article: No significant change of tibiofemoral rotation after femoral rotational osteotomy in patients with patellofemoral instability
No significant change of tibiofemoral rotation after femoral rotational osteotomy in patients with patellofemoral instability Open
Purpose An increased value of tibiofemoral rotation is frequently observed in patients with patellofemoral instability or maltracking. Nevertheless, the appropriate approach for addressing this parameter remains unclear so far. One potenti…
View article: How useful are indirect radiographic measurements of hip instability in borderline hip dysplasia? An MRI-based comparison to a healthy cohort
How useful are indirect radiographic measurements of hip instability in borderline hip dysplasia? An MRI-based comparison to a healthy cohort Open
View article: Increased tibial tuberosity torsion has the greatest predictive value in patients with patellofemoral instability compared to other commonly assessed parameters
Increased tibial tuberosity torsion has the greatest predictive value in patients with patellofemoral instability compared to other commonly assessed parameters Open
Purpose The multifactorial nature of patellofemoral instability requires a comprehensive assessment of the affected patients. While an association between tibial tuberosity (TT) torsion and patellofemoral instability is known, its specific…
View article: High femoral offset as a risk factor for aseptic femoral component loosening in cementless primary total hip arthroplasty
High femoral offset as a risk factor for aseptic femoral component loosening in cementless primary total hip arthroplasty Open
View article: Influence of offset on osseointegration in cementless total hip arthroplasty: A finite element study
Influence of offset on osseointegration in cementless total hip arthroplasty: A finite element study Open
Early aseptic loosening is caused by deficient osteointegration of the femoral stem due to increased micromotions and represents a common mode of failure in uncemented total hip arthroplasty (THA). This study hypothesized that a higher fem…
View article: A Biomechanical Analysis of Peroneus Brevis Split Lesions, Repair, and Partial Resection
A Biomechanical Analysis of Peroneus Brevis Split Lesions, Repair, and Partial Resection Open
Background: Peroneus brevis tendon tears are associated with chronic ankle pain and instability following sprain injuries. The aim of this study is to elucidate the biomechanical changes induced by a peroneus brevis split and surgical trea…
View article: Long-term outcomes of the four-corner fusion of the wrist: A systematic review
Long-term outcomes of the four-corner fusion of the wrist: A systematic review Open
The 4CF of the wrist is a reliable surgical technique, capable of achieving a good long-term patient satisfaction and survivorship with low rates of conversion to total wrist fusion.
View article: Treatment Failures in Diabetic Foot Osteomyelitis Associated with Concomitant Charcot Arthropathy: The Role of Underlying Arteriopathy
Treatment Failures in Diabetic Foot Osteomyelitis Associated with Concomitant Charcot Arthropathy: The Role of Underlying Arteriopathy Open
Clinical treatment failures did not differ between DCO and DFO. However, patients with DCO underwent major amputation twice as often as those with DFO. Unlike widespread belief, treatment failure in DCO patients may, similar to DFO, be ass…
View article: Consistency of 3D femoral torsion measurement from MRI compared to CT gold standard
Consistency of 3D femoral torsion measurement from MRI compared to CT gold standard Open
View article: Correction of complex three-dimensional deformities at the proximal femur using indirect reduction with angle blade plate and patient-specific instruments: a technical note
Correction of complex three-dimensional deformities at the proximal femur using indirect reduction with angle blade plate and patient-specific instruments: a technical note Open
View article: Mid-term results after <i>in situ</i> pinning and hip arthroscopy for mild slipped capital femoral epiphysis: A minimum five-year follow-up
Mid-term results after <i>in situ</i> pinning and hip arthroscopy for mild slipped capital femoral epiphysis: A minimum five-year follow-up Open
Purpose In situ pinning of mild slipped capital femoral epiphysis (SCFE) results in an aspherical head–neck junction and arthroscopic osteochondroplasty can successfully correct the head–neck junction. However, whether the correction stays…
View article: A real 3D measurement technique for the tibial slope: differentiation between different articular surfaces and comparison to radiographic slope measurement
A real 3D measurement technique for the tibial slope: differentiation between different articular surfaces and comparison to radiographic slope measurement Open
View article: The impact of limb loading and the measurement modality (2D versus 3D) on the measurement of the limb loading dependent lower extremity parameters
The impact of limb loading and the measurement modality (2D versus 3D) on the measurement of the limb loading dependent lower extremity parameters Open
View article: Three-dimensional meniscus allograft sizing—a study of 280 healthy menisci
Three-dimensional meniscus allograft sizing—a study of 280 healthy menisci Open
View article: Applicability of augmented reality in orthopedic surgery – A systematic review
Applicability of augmented reality in orthopedic surgery – A systematic review Open
View article: The impact of mal-angulated femoral rotational osteotomies on mechanical leg axis: a computer simulation model
The impact of mal-angulated femoral rotational osteotomies on mechanical leg axis: a computer simulation model Open
Background Subtrochanteric or supracondylar femoral rotational osteotomies are established surgical treatments for femoral rotational deformities. Unintended change of the mechanical leg axis is an identified problem. Different attempts ex…