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Open AccessPostoperative full leg radiographs exhibit less residual coronal varus deformity compared to intraoperative measurements in robotic arm-assisted total knee arthroplasty with the MAKO™ system
Robotic arm-assisted total knee arthroplasty (raTKA), currently a major trend in knee arthroplasty, aims to improve the accuracy of implant positioning and limb alignment. However, it is unclear whether and to...
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Article
Open AccessPrediction of complications and surgery duration in primary TKA with high accuracy using machine learning with arthroplasty-specific data
The number of primary total knee arthroplasties (TKA) is expected to rise constantly. For patients and healthcare providers, the early identification of risk factors therefore becomes increasingly fundamental ...
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Article
Open AccessThe synovial fluid calprotectin lateral flow test for the diagnosis of chronic prosthetic joint infection in failed primary and revision total hip and knee arthroplasty
The diagnostic criteria of prosthetic joint infection (PJI) recommended by the most commonly used diagnostic algorithms can be obscured or distorted by other inflammatory processes or aseptic pathology. Furth...
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Article
Open AccessUtility of synovial calprotectin lateral flow test to exclude chronic prosthetic joint infection in periprosthetic fractures: a prospective cohort study
The diagnosis of periprosthetic joint infection (PJI) requires a combination of various clinical, laboratory, microbiological and histopathological parameters. A concomitant periprosthetic fracture (PPF) furth...
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Article
Open AccessSynovial calprotectin is a reliable biomarker for periprosthetic joint infections in acute-phase inflammation — a prospective cohort study
Diagnosing periprosthetic joint infections (PJI) are challenging and may be hampered by the presence of other causes of local inflammation. Conventional synovial and serum markers are not reliable under these ...
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Article
Open AccessArthroscopic lateral retinacular release improves patello-femoral and femoro-tibial kinematics in patients with isolated lateral retinacular tightness
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 ...
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Article
Open AccessMachine learning in knee arthroplasty: specific data are key—a systematic review
Artificial intelligence (AI) in healthcare is rapidly growing and offers novel options of data analysis. Machine learning (ML) represents a distinct application of AI, which is capable of generating prediction...
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Article
Knochendefektmanagement und Implantatfixation in der Revisionsknieendoprothetik
Die Anzahl der Revisionseingriffe in der Kniegelenkendoprothetik nimmt deutlich zu. Damit müssen zunehmend auch komplexe Knochendefekte adäquat versorgt werden. Zur Therapieplanung eignet sich die Anderson-Ort...
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Article
Open AccessCOVID-19-related cancellation of elective orthopaedic surgery caused increased pain and psychosocial distress levels
Health care systems in most European countries were temporarily restructured to provide as much capacity as possible for the treatment of coronavirus disease 2019 (COVID-19) patients. Subsequently, all electiv...
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Chapter
Untere Extremität
Die Pathologien (kinderorthopädische Erkrankungen, traumatologische Erkrankungen, Entzündungen etc.) der unteren Extremität sind in diesem Kapitel nach 4 Abschnitten (Hüfte und Oberschenkel, Knie, Unterschenke...
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Chapter
Obere Extremität
In diesem Kapitel stehen regionale Erkrankungen und Verletzungen der oberen Extremität im Fokus. Neben Pathologien des Schultergürtels und Oberarms (u. a.kinderorthopädischen Erkrankungen wie die Sprengel-Defo...
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Article
Open AccessDistribution patterns of foot and ankle tumors: a university tumor institute experience
Bone and soft tissue masses of the foot and ankle are not particularly rare but true neoplasia has to be strictly differentiated from pseudotumorous lesions. Diagnosis is often delayed as diagnostic errors are...
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Article
Synovial aspiration and serological testing in two-stage revision arthroplasty for prosthetic joint infection: evaluation before reconstruction with a mean follow-up of twenty seven months
The two-stage revision protocol is the gold standard for controlling and treating low-grade prosthetic joint infections of total hip and total knee arthroplasty. The antibiotic pause for diagnostic reasons bef...
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Article
Open AccessIs total femoral replacement for non-oncologic and oncologic indications a safe procedure in limb preservation surgery? A single center experience of 22 cases
Several surgical options for the reconstruction of massive bone defects have been described and include biologic methods with autografts and allografts, and the use of tumor endoprostheses (total femoral repla...
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Article
Open AccessPrognostic factors and outcome of Liposarcoma patients: a retrospective evaluation over 15 years
Soft tissue sarcomas are rare entities with over 50 histological subtypes. Liposarcoma (LS) is the most common neoplasm in this group; it is a complex neoplasm that is divided into different histological subty...
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Article
Open AccessDistal femoral replacement with the MML system: a single center experience with an average follow-up of 86 months
The aim of this study was to compare the functional outcomes and complication rates after distal femoral replacement (DFR) performed with the modular Munich-Luebeck (MML) modular prosthesis (ESKA/Orthodynamics...
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Article
Open AccessProsthetic joint infection development of an evidence-based diagnostic algorithm
Increasing rates of prosthetic joint infection (PJI) have presented challenges for general practitioners, orthopedic surgeons and the health care system in the recent years. The diagnosis of PJI is complex; mu...
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Article
Open AccessDiagnostic accuracy of arthroscopic biopsy in periprosthetic infections of the hip
Diagnosis of a low-grade periprosthetic joint infection (PJI) prior to revision surgery can be challenging, despite paramount importance for further treatment. Arthroscopic biopsy of synovial and periprostheti...
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Article
Open AccessShort- to long-term follow-up of total femoral replacement in non-oncologic patients
Compromised bone stock and heavily impaired structural integrity after multiple endoprosthetic revision surgeries can lead to a comparable condition as encountered in musculoskeletal tumor surgery. Total femor...
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Article
Open AccessGlucosamine sulfate suppresses the expression of matrix metalloproteinase-3 in osteosarcoma cells in vitro
Glucosamine, a common dietary supplement, has a possible anti-sarcoma effect. However, an understanding of the underlying mechanism of such an effect is limited. For this study we hypothesized that glucosamine...