How Does Patients' Overall Assessment of Their Health Vary Across and Within Different Disease Groups?...
Hip DiseaseHeart Failure11 moreEQ-5D is one of the most commonly employed patient-reported outcome (PRO) measures. It is included in many of the Swedish National Quality Registers (NQRs). EQ-5D health states are usually summarized using 'values' obtained from healthy members of the general public. However an alternative - which remains to be studied in detail - is the potential to use patients' self-reported overall health on the visual analogue scale as a means of capturing experience-based values. The overall aim of this project is to increase knowledge on the potential applicability of EQ VAS as a health state valuation method through assessment of its variability across and within patient groups and compared with that of the general population in Sweden. Data on nearly 700,000 patients from 12 NQRs covering a variety of diseases/conditions and from the general population will be analysed. Longitudinal studies of PROs among different patient groups will be conducted at baseline/first visit and 1-year follow-up. Descriptive analyses comparing EQ-5D health states and observed self-assessed EQ VAS within and across registers will be performed. Comparisons of the change in health state and observed EQ VAS values over one year will also be made. Regression models will be used to assess whether EQ-5D dimensions predict observed EQ VAS values to investigate patient value sets in each NQR. These will be compared across the patient groups and with the existing Swedish experience-based VAS and time trade-off (TTO) value sets obtained from the general population. This research project will provide information on the variation among different patient groups in terms of self-reported health status through EQ VAS and comparison with the general population. Knowledge on the relative importance of different dimensions of the EQ-5D to different patient groups as well as the general population will be gained in this project. The possibility of getting value sets based on patients' self-reported EQ VAS values and their comparison with value sets from experience-based general population studies will be discussed.
F18-Flouride PET/CT in Acute Knee Injury
Knee Injury18F-fluoride is a positron-emitting bone-seeking agent with favorable pharmacokinetic properties. Its uptake mechanism resembles that of 99mTc-MDP. After IV administration, 18F-fluoride diffuses through the bone capillaries into the bone extracellular fluid (ECF). Its plasma clearance is more rapid than that of 99mTc-MDP and its single-passage extraction efficiency is higher. The fast blood clearance of 18F-fluoride results in a better target- to- background ratio. Bone uptake of 18F-fluoride is two-fold higher than that of 99mTc-MDP. Combining the favorable pharmacokinetic characteristics of 18F-fluoride with the high performance of PET technology, 18F-fluoride is a valuable imaging modality of the skeleton. There are only few manuscripts on the role of static 18F-fluoride PET for detection of lesions in patients referred for non-oncologic indications The purpose of the study is to prospectively assess the added value of Fluoride PET/CT in the clinical setting of acute knee injury. The findings of Fluoride PET/CT will be correlated with those found on arthroscopy and MRI which the currently used diagnostic techniques with a high, however, not perfect diagnostic accuracy regarding the issue of bone injury which is a critical component on the long term outcome after knee injury.
Large-scale Expansion and Characterization of Mesenchymal Stem Cells for Clinical Application
Knee InjuriesAccording to many recent research, mesenchymal stem cells (MSC) isolated from synovial membrane and infrapatellar fat pad have higher ex vivo proliferation capacity, multipotency and ability to undergo chondrogenesis. Based on this concept, the investigators plan to get two removed tissues (synovial membrane and infrapatellar fat pad) from patients who have an operation of total knee replacement. The investigators are going to isolate and expand MSC from these two tissues respectively, and then compare the chondrogenesis ability for clinical application. In the other hand, the investigators plan to build techniques and procedures which comply with "Good Tissue Practices (GTP)"
Validity and Reliability in Measuring Iliotibial Tract by Using Ultrasound
Knee InjuriesThe purpose of this study is to estimate the validity and reliability in measuring the iliotibial tract by using ultrasound.
Muscle Function and Traumatic Knee Injury in Sports
ACL InjuryMeniscus Lesion2 moreThe aims of the project are to 1) evaluate different aspects of muscle function and its role as a potential risk and/or protective factor for traumatic knee injury in youth female athletes; 2) develop and evaluate a battery of muscle function tests, easily used and requiring minimal equipment, to be applied as an on-the-field screening tool to detect muscle function deficiencies and monitoring youth female athletes at high risk of traumatic knee injury. A prospective cohort design will be used, including approximately 100 female athletes (age 15-19) from Swedish senior sports high schools who are involved in high risk sports (soccer, handball, floorball and basket). A test battery for muscle function has been developed consisting of 11 tests that previously have been used for the assessment of muscle function. The tests will be instructed and supervised by educated test leaders. Measurements will take place at the athletes' school and carried out during the first semester (autumn 2017 and 2018). Data on injury surveillance and exposure (hours of match and training participation) will be collected prospectively over two years using a web-designed registration form. All athletes will on a weekly basis report their hours of training, minutes of match play and all time-loss injuries occurring during sport activity. Details on injury mechanism and diagnosis will be collected by each school's medical staff. The present study will contribute new knowledge on the role of muscle function and develop and evaluate a battery of muscle function tests to be used as an on-the-field screening tool for monitoring youth female athletes at high risk of traumatic knee injury.