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| 7. |
- Sawcer, Stephen, et al.
(author)
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Genetic risk and a primary role for cell-mediated immune mechanisms in multiple sclerosis
- 2011
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In: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 476:7359, s. 214-219
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Journal article (peer-reviewed)abstract
- Multiple sclerosis is a common disease of the central nervous system in which the interplay between inflammatory and neurodegenerative processes typically results in intermittent neurological disturbance followed by progressive accumulation of disability. Epidemiological studies have shown that genetic factors are primarily responsible for the substantially increased frequency of the disease seen in the relatives of affected individuals, and systematic attempts to identify linkage in multiplex families have confirmed that variation within the major histocompatibility complex (MHC) exerts the greatest individual effect on risk. Modestly powered genome-wide association studies (GWAS) have enabled more than 20 additional risk loci to be identified and have shown that multiple variants exerting modest individual effects have a key role in disease susceptibility. Most of the genetic architecture underlying susceptibility to the disease remains to be defined and is anticipated to require the analysis of sample sizes that are beyond the numbers currently available to individual research groups. In a collaborative GWAS involving 9,772 cases of European descent collected by 23 research groups working in 15 different countries, we have replicated almost all of the previously suggested associations and identified at least a further 29 novel susceptibility loci. Within the MHC we have refined the identity of the HLA-DRB1 risk alleles and confirmed that variation in the HLA-A gene underlies the independent protective effect attributable to the class I region. Immunologically relevant genes are significantly overrepresented among those mapping close to the identified loci and particularly implicate T-helper-cell differentiation in the pathogenesis of multiple sclerosis.
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| 8. |
- Dahmen, J., et al.
(author)
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Osteochondral Lesions of the Tibial Plafond and Ankle Instability With Ankle Cartilage Lesions: Proceedings of the International Consensus Meeting on Cartilage Repair of the Ankle
- 2022
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In: Foot & Ankle International. - : SAGE Publications. - 1071-1007 .- 1944-7876. ; 43:3, s. 448-452
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Journal article (peer-reviewed)abstract
- Background: An international consensus group of experts was convened to collaboratively advance toward consensus opinions based on the best available evidence on key topics within cartilage repair of the ankle. The purpose of this article is to present the consensus statements on osteochondral lesions of the tibial plafond (OLTP) and on ankle instability with ankle cartilage lesions developed at the 2019 International Consensus Meeting on Cartilage Repair of the Ankle. Methods: Forty-three experts in cartilage repair of the ankle were convened and participated in a process based on the Delphi method of achieving consensus. Questions and statements were drafted within 4 working groups focusing on specific topics within cartilage repair of the ankle, after which a comprehensive literature review was performed and the available evidence for each statement was graded. Discussion and debate occurred in cases where statements were not agreed on in unanimous fashion within the working groups. A final vote was then held. Results: A total of 11 statements on OLTP reached consensus. Four achieved unanimous support and 7 reached strong consensus (greater than 75% agreement). A total of 8 statements on ankle instability with ankle cartilage lesions reached consensus during the 2019 International Consensus Meeting on Cartilage Repair of the Ankle. One achieved unanimous support, and seven reached strong consensus (greater than 75% agreement). Conclusions: These consensus statements may assist clinicians in the management of these difficult clinical pathologies.
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| 9. |
- Figueroa, D., et al.
(author)
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Return to sport soccer after anterior cruciate ligament reconstruction: ISAKOS consensus
- 2022
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In: Journal of ISAKOS. - : Elsevier BV. - 2059-7754. ; 7:6, s. 150-161
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Journal article (peer-reviewed)abstract
- Introduction: Many factors can affect the return to pivoting sports, after an Anterior Cruciate Ligament Reconstruction. Prehabilitation, rehabilitation, surgical and psychological aspects play an essential role in the decision to return to sports. The purpose of this study is to reach an international consensus about the best conditions for returning to sports in soccer—one of the most demanding level I pivoting sports after anterior cruciate ligament (ACL) reconstruction. Methods: 34 International experts in the management of ACL injuries, representing all the Continents were convened and participated in a process based on the Delphi method to achieve a consensus. 37 statements related to ACL reconstruction were reviewed by the experts in three rounds of surveys in complete anonymity. The statements were prepared by the working group based on previous literature or systematic reviews. Rating agreement through a Likert Scale: strongly agree, agree, neither agree or disagree, disagree and strongly disagree was used. To define consensus, it was established that the assertions should achieve a 75% of agreement or disagreement. Results: Of the 37 statements, 10 achieved unanimous consensus, 18 non-unanimous consensus and 9 did not achieve consensus. In the preoperative, the correction of the range of motion deficit, the previous high level of participation in sports and a better knowledge of the injury by the patient and compliance to participate in Rehabilitation were the statements that reached unanimous consensus. During the surgery, the treatment of associated injuries, as well as the use of autografts, and the addition of a lateral extra-articular tenodesis in some particular cases (active young athletes, <25 years old, hyperlaxity, high rotatory laxity and revision cases) obtained also 100% consensus. In the postoperative period, psychological readiness and its validation with scales, adequate physical preparation, as well as not basing the RTSS purely on the time of evolution after surgery, were the factors that reached unanimous Consensus. Conclusions: The consensus statements derived from this international ISAKOS leaders, may assist clinicians in deciding when to return to sports soccer in patients after an ACL reconstruction. Those statements that reached 100% consensus have to be strongly considered in the final decision to RTS soccer. © 2022 The Authors
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| 10. |
- Niederberger, C., et al.
(author)
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Forty years of IVF
- 2018
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In: Fertility and Sterility. - : Elsevier BV. - 0015-0282. ; 110:2
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Journal article (peer-reviewed)abstract
- This monograph, written by the pioneers of IVF and reproductive medicine, celebrates the history, achievements, and medical advancements made over the last 40 years in this rapidly growing field.
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| 11. |
- Bischof, P., et al.
(author)
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Implantation of the human embryo: Research lines and models
- 2006
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In: Gynecologic and Obstetric Investigation. - : S. Karger AG. - 1423-002X .- 0378-7346. ; 62:4, s. 206-216
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Research review (peer-reviewed)abstract
- Infertility is an increasing problem all over the world, and it has been estimated that 10 - 15% of couples in fertile age have fertility problems. Likewise induced unsafe abortion is a serious threat to women's health. Despite advances made in assisted reproduction techniques, little progress has been made in increasing the success rate during fertility treatment. This document describes a wide range of projects carried out to increase the understanding in the field of embryo implantation research. The 'Fruitful' research network was created to encourage collaborations within the consortium and to describe our different research potentials to granting agencies or private sponsors. Copyright (c) 2006 S. Karger AG, Basel.
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| 12. |
- Bischof, P, et al.
(author)
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Implantation of the human embryo: research lines and models. From the implantation research network 'Fruitful'.
- 2006
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In: Gynecologic and obstetric investigation. - : S. Karger AG. - 0378-7346 .- 1423-002X. ; 62:4, s. 206-16
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Journal article (peer-reviewed)abstract
- Infertility is an increasing problem all over the world, and it has been estimated that 10-15% of couples in fertile age have fertility problems. Likewise induced unsafe abortion is a serious threat to women's health. Despite advances made in assisted reproduction techniques, little progress has been made in increasing the success rate during fertility treatment. This document describes a wide range of projects carried out to increase the understanding in the field of embryo implantation research. The 'Fruitful' research network was created to encourage collaborations within the consortium and to describe our different research potentials to granting agencies or private sponsors.
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| 13. |
- Dancet, Eline A F, et al.
(author)
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The Role of Scientists and Clinicians in Raising Public Support for Animal Research in Reproductive Biology and Medicine.
- 2012
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In: Biology of reproduction. - : Oxford University Press (OUP). - 1529-7268 .- 0006-3363.
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Journal article (peer-reviewed)abstract
- It is important that researchers active in reproductive animal research, as a group, clearly and compassionately convey specific information to students, patients, and the general public on the merit and need for biomedical research using various formats and seek active support from patient organizations, universities, politicians, celebrities, the media, and international professional organizations related to human and animal health.
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| 14. |
- D'Hooghe, P., et al.
(author)
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Chronic ligament injuries of the ankle joint
- 2015
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In: Sports Injuries: Prevention, Diagnosis, Treatment and Rehabilitation, Second Edition. - Berlin : Springer. ; , s. 1711-1725
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Book chapter (other academic/artistic)abstract
- Ankle sprains are the most frequently encountered injuries in athletic activities. Early diagnosis, functional treatment, and rehabilitation are the key issues in preventing a potential evolution towards chronic ligament insufficiency. Ankle joint instability is defined as either mechanical instability or functional instability. Mechanical instability refers to an objective measurement, e.g., standardized stress radiographs, while functional instability is a description of the subjective symptoms of the patient, i.e., repeated giving way in some cases combined with pain. Functional instability is the most common residual disability after acute (lateral) ligament ruptures. This chapter will elaborate on the prevention, diagnosis, treatment, and rehabilitation of the athlete's medial and lateral ankle ligament problems. © Springer-Verlag Berlin Heidelberg 2012, 2015, All Rights Reserved.
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| 15. |
- D'Hooghe, P., et al.
(author)
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Total achilles tendon ruptures: Current trends
- 2015
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In: Sports Injuries: Prevention, Diagnosis, Treatment and Rehabilitation, Second Edition. - Berlin : Springer. - 9783642365690 ; , s. 2321-2334
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Book chapter (other academic/artistic)abstract
- Achilles tendon rupture occurs relatively common (De Jonge, Br J Sports Med 45:1026-1028, 2011). Although it is the thickest and strongest tendon in the human body, it remains susceptible to injury. During the last decades, the incidence of spontaneous ruptures has been rising, which may be due to the increasing keep-fit culture. Ruptures occur most frequently in patients between the age of 30 and 50 years old, with a male predominance. Approximately 75 % of Achilles tendon ruptures occur during sports activities, especially racket games, soccer, and handball. Diagnosis is primarily clinical. However, there is still a lack of consensus on the best management of the Achilles tendon rupture. Generally, open surgical management is advocated, although over the past few years, percutaneous techniques are performed more commonly. Nonsurgical management appears to be a good alternative for those with comorbidity or patients who do not wish to have surgery. Recent systematic reviews have concluded that operative management has a lower re-rupture rate but must be balanced by the risks associated with surgery (Khan and Carey Smith, Cochrane Database Syst Rev CD003674, 2010). © Springer-Verlag Berlin Heidelberg 2012, 2015, All Rights Reserved.
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- Grassi, A., et al.
(author)
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Dynamic Stabilization of Syndesmosis Injuries Reduces Complications and Reoperations as Compared With Screw Fixation: A Meta-analysis of Randomized Controlled Trials
- 2020
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In: American Journal of Sports Medicine. - : SAGE Publications. - 0363-5465 .- 1552-3365. ; 48:4, s. 1000-1013
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Journal article (peer-reviewed)abstract
- Background: Several devices for obtaining dynamic fixation of the syndesmosis have been introduced in recent years, but their efficacy has been tested in only a few randomized controlled trials (RCTs), without demonstrating any clear benefit over the traditional static fixation with screws. Purpose: To perform a level 1 meta-analysis of RCTs to investigate the complications, subjective outcomes, and functional results after dynamic or static fixation of acute syndesmotic injuries. Study Design: Meta-analysis of RCTs. Methods: A systematic literature search was performed of the Medline/PubMed, Cochrane Central Register of Controlled Trials, and Embase electronic databases, as well as ClinicalTrials.gov for unpublished studies. Eligible studies were RCTs comparing dynamic fixation and static fixation of acute syndesmosis injuries. A meta-analysis was performed, while bias and quality of evidence were rated according to the Cochrane Database questionnaire and the Grading of Recommendations Assessment, Development and Evaluation guidelines. Results: Dynamic fixation had a significantly reduced relative risk (RR = 0.55, P =.003) of complications—in particular, the presence of inadequate reduction at the final follow-up (RR = 0.36, P =.0008) and the clinical diagnosis of recurrent diastasis or instability (RR = 0.10, P =.03). The effect was more evident when compared with permanent screws (RR = 0.10, P =.0001). The reoperation rate was similar between the groups (RR = 0.64, P =.07); however, the overall risk was reduced after dynamic fixation as compared with static fixation with permanent screws (RR = 0.24, P =.007). The American Orthopaedic Foot & Ankle Society score was significantly higher among patients treated with dynamic fixation—6.06 points higher (P =.005) at 3 months, 5.21 points (P =.03) at 12 months, and 8.60 points (P <.00001) at 24 months—while the Olerud-Molander score was similar. The visual analog scale for pain score was reduced at 6 months (–0.73 points, P =.003) and 12 months (–0.52 points, P =.005), and ankle range of motion increased by 4.36° (P =.03) with dynamic fixation. The overall quality of evidence ranged from “moderate” to “very low,” owing to a substantial risk of bias, heterogeneity, indirectness of outcome reporting, and evaluation of a limited number of patients. Conclusion: The dynamic fixation of syndesmotic injuries was able to reduce the number of complications and improve clinical outcomes as compared with static screw fixation—especially malreduction and clinical instability or diastasis—at a follow-up of 2 years. A lower risk of reoperation was found with dynamic fixation as compared with static fixation with permanent screws. However, the lack of patients or personnel blinding, treatment heterogeneity, small samples, and short follow-up limit the overall quality of this evidence. © 2019 The Author(s).
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| 18. |
- Gunell, H., et al.
(author)
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Ion acoustic waves at comet 67P/Churyumov-Gerasimenko : Observations and computations
- 2017
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In: Astronomy and Astrophysics. - : EDP SCIENCES S A. - 0004-6361 .- 1432-0746. ; 600
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Journal article (peer-reviewed)abstract
- Context. On 20 January 2015 the Rosetta spacecraft was at a heliocentric distance of 2.5 AU, accompanying comet 67P/Churyumov-Gerasimenko on its journey toward the Sun. The Ion Composition Analyser (RPC-ICA), other instruments of the Rosetta Plasma Consortium, and the ROSINA instrument made observations relevant to the generation of plasma waves in the cometary environment.Aims. Observations of plasma waves by the Rosetta Plasma Consortium Langmuir probe (RPC-LAP) can be explained by dispersion relations calculated based on measurements of ions by the Rosetta Plasma Consortium Ion Composition Analyser (RPC-ICA), and this gives insight into the relationship between plasma phenomena and the neutral coma, which is observed by the Comet Pressure Sensor of the Rosetta Orbiter Spectrometer for Ion and Neutral Analysis instrument (ROSINA-COPS).Methods. We use the simple pole expansion technique to compute dispersion relations for waves on ion timescales based on the observed ion distribution functions. These dispersion relations are then compared to the waves that are observed. Data from the instruments RPC-LAP, RPC-ICA and the mutual impedance probe (RPC-MIP) are compared to find the best estimate of the plasma density.Results. We find that ion acoustic waves are present in the plasma at comet 67P/Churyumov-Gerasimenko, where the major ion species is H2O+. The bulk of the ion distribution is cold, k(B)T(i) = 0.01 eV when the ion acoustic waves are observed. At times when the neutral density is high, ions are heated through acceleration by the solar wind electric field and scattered in collisions with the neutrals. This process heats the ions to about 1 eV, which leads to significant damping of the ion acoustic waves.Conclusions. In conclusion, we show that ion acoustic waves appear in the H2O+ plasmas at comet 67P/Churyumov-Gerasimenko and how the interaction between the neutral and ion populations affects the wave properties.
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| 19. |
- Gunell, Herbert, et al.
(author)
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Plasma waves confined to the diamagnetic cavity of comet 67P/Churyumov-Gerasimenko
- 2017
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In: Monthly notices of the Royal Astronomical Society. - : Oxford University Press. - 0035-8711 .- 1365-2966. ; 469, s. S84-S92
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Journal article (peer-reviewed)abstract
- Ion acoustic waves were observed in the diamagnetic cavity of comet 67P/Churyumov-Gerasimenko by the Rosetta spacecraft on 2015 August 3, when the comet was 1.25 au from the Sun. Wave spectra recorded by the Langmuir probe (RPC-LAP), peak near 200 Hz, decrease for higher frequencies and reach the noise floor at approximately 1.5 kHz. These waves were observed only when the spacecraft was in the diamagnetic cavity or at its boundary, which is identified as a sharp drop in magnetic field magnitude, measured by RPC-MAG. The plasma, on both sides of the boundary, is dominated by a cold (a few hundred K) water group ion population, one cold (k(B)T(e) similar to 0.1 eV) and one warm (k(B)T(e) similar to 10 eV) electron population. The observations are interpreted in terms of current-driven ion acoustic waves, generated by currents that flow through bulges on the boundary of the diamagnetic cavity.
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| 20. |
- Jones, Geraint H., et al.
(author)
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The Comet Interceptor Mission
- 2024
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In: Space Science Reviews. - : Springer Nature. - 0038-6308 .- 1572-9672. ; 220:1
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Journal article (peer-reviewed)abstract
- Here we describe the novel, multi-point Comet Interceptor mission. It is dedicated to the exploration of a little-processed long-period comet, possibly entering the inner Solar System for the first time, or to encounter an interstellar object originating at another star. The objectives of the mission are to address the following questions: What are the surface composition, shape, morphology, and structure of the target object? What is the composition of the gas and dust in the coma, its connection to the nucleus, and the nature of its interaction with the solar wind? The mission was proposed to the European Space Agency in 2018, and formally adopted by the agency in June 2022, for launch in 2029 together with the Ariel mission. Comet Interceptor will take advantage of the opportunity presented by ESA’s F-Class call for fast, flexible, low-cost missions to which it was proposed. The call required a launch to a halo orbit around the Sun-Earth L2 point. The mission can take advantage of this placement to wait for the discovery of a suitable comet reachable with its minimum Δ V capability of 600 ms − 1 . Comet Interceptor will be unique in encountering and studying, at a nominal closest approach distance of 1000 km, a comet that represents a near-pristine sample of material from the formation of the Solar System. It will also add a capability that no previous cometary mission has had, which is to deploy two sub-probes – B1, provided by the Japanese space agency, JAXA, and B2 – that will follow different trajectories through the coma. While the main probe passes at a nominal 1000 km distance, probes B1 and B2 will follow different chords through the coma at distances of 850 km and 400 km, respectively. The result will be unique, simultaneous, spatially resolved information of the 3-dimensional properties of the target comet and its interaction with the space environment. We present the mission’s science background leading to these objectives, as well as an overview of the scientific instruments, mission design, and schedule.
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| 22. |
- Lindblom, Hanna, et al.
(author)
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The knee control prevention programme
- 2018
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In: Return to Play in Football : An Evidence-based Approach - An Evidence-based Approach. - Berlin, Heidelberg : Springer Berlin Heidelberg. - 9783662557129 - 9783662557136 ; , s. 919-928
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Book chapter (peer-reviewed)abstract
- In 2008, the Swedish Football Association and the insurance company Folksam, where all licensed players are insured, initiated a project aiming to reduce the burden of severe knee injuries in Swedish football. As a first step, the efficacy of an injury prevention exercise programme (IPEP) was evaluated in girls’ adolescent football (12–17 years). In a large-scale cluster randomised controlled trial including more than 4500 players, the Knee Control programme, a simple low-cost IPEP that takes no more than 10–15 min to complete, was found to reduce the rate of anterior cruciate ligament injury by 64%. Compliance with the IPEP is key, with large injury rate reductions seen in the most diligent players, whereas in players who only used the programme sporadically, it had no preventive effect. In this chapter some of the experiences from the Knee Control injury prevention initiative are summarised, including the evaluation of the programme’s preventive efficacy, performance effects and the implementation efforts made in Swedish football.
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| 23. |
- Murawski, Christopher D., et al.
(author)
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Terminology for osteochondral lesions of the ankle: proceedings of the International Consensus Meeting on Cartilage Repair of the Ankle
- 2022
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In: JOURNAL OF ISAKOS JOINT DISORDERS & ORTHOPAEDIC SPORTS MEDICINE. - : Elsevier BV. - 2059-7754 .- 2059-7762. ; 7:2, s. 62-66
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Journal article (peer-reviewed)abstract
- Background: The evidence supporting best practice guidelines in the field of cartilage repair of the ankle is based on both low quality and low levels of evidence. Therefore, an international consensus group of experts was convened to collaboratively advance toward consensus opinions based on the best available evidence on key topics within cartilage repair of the ankle. The purpose of this article is to report the consensus statements on "terminology for osteochondral lesions of the ankle" developed at the 2019 International Consensus Meeting on Cartilage Repair of the Ankle. Methods: Forty-three international experts in cartilage repair of the ankle representing 20 countries were convened and participated in a process based on the Delphi method of achieving consensus. Questions and statements were drafted within four working groups focusing on specific topics within cartilage repair of the ankle, after which a comprehensive literature review was performed, and the available evidence for each state-ment was graded. Discussion and debate occurred in cases where statements were not agreed on in unanimous fashion within the working groups. A final vote was then held, and the strength of consensus was characterised as follows: consensus, 51%-74%; strong consensus, 75%-99%; unanimous, 100%. Results: A total of 11 statements on terminology and classification reached consensus during the 2019 Interna-tional Consensus Meeting on Cartilage Repair of the Ankle. Definitions are provided for osseous, chondral and osteochondral lesions, as well as bone marrow stimulation and injury chronicity, among others. An osteochondral lesion of the talus can be abbreviated as OLT. Conclusions: This international consensus derived from leaders in the field will assist clinicians with the appro-priate terminology for osteochondral lesions of the ankle.
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| 26. |
- van den Bosch, T., et al.
(author)
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Terms, definitions and measurements to describe sonographic features of myometrium and uterine masses: a consensus opinion from the Morphological Uterus Sonographic Assessment (MUSA) group
- 2015
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In: Ultrasound in Obstetrics & Gynecology. - : Wiley. - 1469-0705 .- 0960-7692. ; 46:3, s. 284-298
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Journal article (peer-reviewed)abstract
- The MUSA (Morphological Uterus Sonographic Assessment) statement is a consensus statement on terms, definitions and measurements that may be used to describe and report the sonographic features of the myometrium using gray-scale sonography, color/power Doppler and three-dimensional ultrasound imaging. The terms and definitions described may form the basis for prospective studies to predict the risk of different myometrial pathologies, based on their ultrasound appearance, and thus should be relevant for the clinician in daily practice and for clinical research. The sonographic features and use of terminology for describing the two most common myometrial lesions (fibroids and adenomyosis) and uterine smooth muscle tumors are presented. Copyright (C) 2015 ISUOG. Published by John Wiley & Sons Ltd.
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