Background Femoral version deformities have recently been identified as a major contributor to femoroacetabular impingement (FAI). An in-depth understanding of the specific labral damage patterns caused by femoral may help understand underlying pathomorphologies in symptomatic patients and select appropriate surgical treatment. Questions/purposes We asked: (1) Is there correlation between mean cross-sectional area acetabular labrum? (2) difference location lesions labrum hips with increased...

The aim of this study was to investigate whether anterior pelvic plane-pelvic tilt (APP-PT) is associated with distinct hip pathomorphologies. We asked: there a difference in APP-PT between young symptomatic patients being evaluated for joint preservation surgery and an asymptomatic control group? Does vary among acetabular femoral pathomorphologies? And does differ hips based on demographic factors?

Background: The pericapsular nerve group (PENG) block has been shown to reduce pain and opioid consumption in posterior total hip arthroplasty (THA). present study assessed the effects of PENG versus a placebo on postoperative (1) pain, (2) morphine consumption, (3) length stay patients undergoing primary anterior THA. Methods: This was an institutional review board-approved, single-center, parallel-group, prospective, randomized, double-blinded, controlled trial THA between June 2022 April...

The demand for total hip arthroplasty (THA) in younger patients, particularly those under 65 years, has increased markedly recent years. Ceramic-on-ceramic (CoC) bearings offer promising benefits, including reduced wear and osteolysis, with excellent short- to mid-term survival. However, long-term data on their performance populations remains limited. This study aimed investigate 1) overall implant survival, 2) complications reasons revision, 3) patient-reported outcomes at follow-up after...

Background: Surgeons increasingly recognize the importance of patient-specific considerations in determining ideal cup alignments. In addition, various surgical navigation systems have been reported to improve placement accuracy during total hip arthroplasty (THA). Recently, a novel computed tomography (CT)–based planning and mixed-reality (MR) guidance system was developed enable 3-dimensional position further intraoperative achievement planned orientation. Methods: This is retrospective,...

Abstract Objectives To determine the prevalence of ischiofemoral impingement (IFI) in young patients evaluated for joint-preserving hip surgery and investigate its associations with osseous deformities intra-articular pathologies. Methods Retrospective study 256 hips (224 patients, mean age 34 years) that were examined radiographs MR arthrography pain. Quadratus femoris muscle edema was used to indicate IFI measurements space performed. Imaging analysis assessed cam deformity, femoral...

To present our technique of diagnostic CT-guided ischiofemoral space injection and report on pain response, complications, associated imaging findings in young patients with impingement (IFI).

In this paper, we present and evaluate HipRecon, a noncommercial software package that simultaneously calculates pelvic tilt rotation from an anteroposterior pelvis radiograph. We asked: What is the (1) accuracy precision, (2) robustness, (3) intra-/interobserver reliability/reproducibility of HipRecon to analyze both on conventional AP radiographs? (4) How does prediction radiographs using compare established measurement methods? compared actual 20 adult human cadaveric pelvises with...

Abstract Objectives To assess the feasibility of flexion-abduction-external rotation (FABER) magnetic resonance imaging (MRI) hip to visualize changes in ischiofemoral interval and ability provoke foveal excursion over acetabular rim. Methods IRB-approved retrospective single-center study. Patients underwent non-contrast 1.5-T MRI neutral FABER position. Two readers measured at three levels: proximal/distal intertrochanteric distance space. Subgroup analysis was performed for hips...

Abstract Objectives To identify preoperative degenerative features on traction MR arthrography associated with failure after arthroscopic femoroacetabular impingement (FAI) surgery. Methods Retrospective study including 102 patients (107 hips) undergoing magnetic resonance (MRA) of the hip at 1.5 T and subsequent FAI surgery performed (01/2016 to 02/2020) complete follow-up. Clinical outcomes were assessed using International Hip Outcome Tool (iHOT-12) score. endpoint for was defined as an...

The use of metal-on-metal bearing couples in total hip arthroplasty can lead to an increased release metal ions, particularly cobalt and chromium over time. This local systemic metallosis, which has cytotoxic, genotoxic, immunotoxic effects cause a host secondary disorders. We describe the case 37-year-old female patient that was diagnosed with warm-antibody autoimmune hemolytic anemia (WAIHA) one half years after bilateral large-diameter head arthroplasty. For 11 years, it refractory all...

Abstract Purpose The modified Kapandji technique has been proposed for fracture reduction in pediatric displaced distal radius fractures (DDRFs), but evidence is sparse. purpose of this study was to evaluate our outcomes and complications, critically systematically, when performing the DDRFs. Using since 2011, we asked: (1) What quality using technique? (2) How stable alignment with (3) are postoperative complications complication rates? Methods Retrospective observational 195 patients...

ABSTRACT Patients with developmental dysplasia of the hip (DDH) are believed to present increased anterior pelvic tilt compensate for reduced femoral head coverage. If true, in dysplastic patients should be high preoperatively and decrease after correction periacetabular osteotomy (PAO). To date, evolution long-term follow-up PAO has not been reported. We therefore asked following questions: (i) is there a difference between DDH an asymptomatic control group? (ii) How does evolve during...

Malposition of the femoral tunnel during medial patellofemoral ligament (MPFL) reconstruction may increase risk recurrence patellar dislocation due to isometric changes flexion and extension. Different methods have been described identify MPFL point using fluoroscopy. However, malposition was found be cause 38.1% revisions redislocation. This high rate has raised question individual anatomical variability.Magnetic resonance imaging (MRI) performed on 80 native knees CLASS (MRI-generated...

Abstract To validate 3D methods for femoral version measurement, we asked: (1) Can a fully automated segmentation of the entire femur and measurement using neck based method head‐shaft be performed? (2) How do automatic 3D‐based computed tomography (CT) measurements compare to most commonly used 2D‐based utilizing four different landmarks? Retrospective study (May 2017 June 2018) evaluating 45 symptomatic patients (57 hips, mean age 18.7 ± 5.1 years) undergoing pelvic CT. Femoral was...

Abstract Objectives To compare the prevalence of femoral head decentration (FHD) on different MR imaging planes in patients undergoing direct/indirect hip arthrography (MRA) with asymptomatic controls and to evaluate its association osseous deformities. Methods IRB-approved retrospective single-center study symptomatic hips direct or indirect MRA at 3 T. Asymptomatic participants underwent non-contrast MRI FHD was defined as a continuous fluid layer between acetabulum assessed axial,...

Mixed Reality has the potential to improve accuracy and reduce required dissection for performance of peri-acetabular osteotomy. The current work assesses initial proof concept MR guidance PAO. A PAO planning module, based on preoperative computed tomography (CT) imaging, allows cut planes repositioning acetabular fragment. 3D files (holograms) native planned acetabulum positions are exported with associated spatial information. then displayed mixed reality head mounted device (HoloLens2,...

Abstract Objectives Total hip arthroplasty (THA) is an orthopedic intervention that generates substantial costs to national healthcare systems due the number of interventions and cost per intervention. We performed a comparison analysis in Austria Switzerland. Methods Data from joint register Switzerland internal information services were compared for patient demographics, interventional characteristics, adjusted inflation purchasing power 2015 2021. Results The average age primary THA was...

The concept of femoro-acetabular impingement (FAI) rests on three pillars: cam-deformity, pincer-deformity and abnormal femoral torsion. Several treatment modalities exist, ranging from conservative management to open or arthroscopic surgery. type depends the pathomorphology, severity symptoms, thepatient's age extent degenerative lesions. aim is reduce pain, obtain a physiological range movement as well stable hip, ideally delay onset secondary osteoarthritis in long term. A first article...