Osteonecrosis

This is a single-centre, randomized, double-blinded controlled non-inferiority trial that will be conducted at the Orthopaedic Department at Uppsala University Hospital, Uppsala. The aim of the study is to evaluate the performance of a dual mobility acetabular component with a Vitamin E-infused highly crosslinked polyethylene (VEPE) liner compared to a conventional polyethylene (PE) liner in adult patients with symptomatic osteoarthritis, osteonecrosis, or dysplasia of the hip requiring a hip replacement. The assessments will focus on early wear, cup migration, adverse events, and clinical outcomes. Measurements will be conducted using Computed Tomography Radiostereometric Analysis (CT-RSA) instead of traditional radiostereometric analysis. The study hypothesis is that the PE liner will be non-inferior to the VEPE liner in terms of early wear over a two-year period.

The DART Study is a prospective, multicentre observational cohort study evaluating day-case pathways for patients undergoing primary total hip arthroplasty, total knee arthroplasty, or unicompartmental knee arthroplasty at three hospitals in Møre og Romsdal, Norway (Volda, Ålesund and SNR). All patients scheduled for these procedures will be screened for eligibility for same-day discharge using predefined clinical, functional, and logistical criteria. The primary objective is to determine the proportion of patients who are discharged on the day of surgery. Secondary objectives are to assess recovery, pain, complications, emergency department visits, readmissions, reoperations, and mortality during the first 30 days after surgery. Patient-reported outcomes, including quality of recovery, joint-specific function, quality of life, pain, and awareness of the joint replacement, will be assessed before surgery and during follow-up for up to three months. Clinical and patient-reported data will be collected prospectively. Outcomes for patients discharged on the day of surgery will be compared with those of patients who remain in hospital overnight or longer. The study aims to evaluate the feasibility, safety, and patient experience of implementing standardized day-case hip and knee arthroplasty pathways within routine clinical practice.

The objective of this study is to collect and evaluate long-term clinical and radiographic outcomes data in order to better understand the safety and performance of the shoulder arthroplasty over time. This study will follow subjects long-term for a minimum of 10-years, without an early-term restriction on the amount of time they will be followed.

This study will evaluate the effectiveness of hyperbaric oxygen therapy (HBOT) on treating emerging indications (i.e., conditions that have shown to potentially benefit from HBOT) using the Multicenter Registry for Hyperbaric Oxygen Treatment. The study team aims to collect ongoing data on how well HBOT treats these emerging indications, and to add these data to the growing HBO Registry. The research team hypothesizes that HBOT will result in improvements of the condition of the various emerging indications.

A prospective, single-arm, intervention study of oral alendronate in adults with sickle cell disease and osteonecrosis

The primary objective of this study is to determine whether the Hyperbaric Oxygen Therapy (HBOT) conducted under the Marx Protocol improves pain outcomes when combined with core decompression with autologous bone marrow aspirate concentrate to treat patients with femoral head avascular necrosis.

A total of 250 total hip arthroplasties (THA) are performed at the Bezirkskrankenhaus St. Johann. In a majority of those, implants from the company Falcon Medical (Austria) are used. Those implants are undergoing constant development and improvement. To guarantee their clinical performance, this clinical study is evaluating safety and efficacy of all implants produced by Falcon Medical. The purpose of this study is to evaluate the effcacy and safety of implants produced and distributed by Falcon Medical. All patients with primary THA and usage of a Falcon Medical implant are included. The outcome measures include intra-operative complications, early post-operative complications, revision for any cause and patient reported outcome (WOMAC questionnaire). All data is prospectively collected in a standardized fashion.

The investigators aim to develop a prospective database in which patient demographics, surgical, dental, prosthetic and QOL parameters collected during consecutive visits within the framework of routine practice, are being registered for each oncological patient eligible for (immediate/delayed) fixed prosthodontic rehabilitation at time of oral cavity reconstruction