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- Alentorn-Geli, Eduard, et al.
(författare)
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Factors predictive of poorer outcomes in the surgical repair of multiligament knee injuries.
- 2019
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Ingår i: Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA. - : Springer Science and Business Media LLC. - 1433-7347. ; 27:2, s. 445-459
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Tidskriftsartikel (refereegranskat)abstract
- To investigate the influence of injury and treatment factors on clinical/functional outcomes in multiligament knee injuries (MLKI).Thirty-nine consecutive patients with confirmed and surgically treated MLKI who met inclusion criteria were scheduled for a follow-up visit to obtain: SF-12 and subjective feeling of normalcy between the operated and healthy knee, and IKDC, active range of motion (ROM), and stability exam (Lachman test, posterior drawer, and dial test at 30°). A chart review was used to obtain data on injury and treatment factors.The postoperative mean (SD) outcomes were: IKDC score 62.7 (25.9), flexion-extension ROM 125° (29°), and percentage of normalcy 74% (20%). The postoperative normal/nearly normal stability exam was: Lachman test 36 (95%) patients, posterior drawer at 90° 38 (97%) patients, and dial test of 39 (100%) patients. There were 24 (61.5%) and 23 (59%) patients with complications and reoperations, respectively. The presence of bicruciate injuries was associated with worse Lachman (p=0.03) and posterior drawer tests (p=0.03). Presence of injury to meniscal structures was associated with worse Lachman test (p=0.03), lower percentage of normalcy (p=0.02) and extension lag (p=0.04). Injury to cartilage structures was associated with worse IKDC scores (p=0.04). IKDC was lower in cases of posterolateral corner reconstruction (p=0.03) and use of allograft tendons for reconstruction (p=0.02); ROM was lower in allograft reconstruction (p=0.02) and need for meniscal repair (p = 0.01). Bicruciate reconstruction led to worst posterior drawer test (p=0.006).The outcomes of MLKI might be negatively influenced by bicruciate ligament, meniscal, and cartilage injuries; with regards to treatment characteristics, need for posterolateral corner or bicruciate ligament reconstruction, use of allografts, or need for meniscal repair may similarly diminish outcomes. While surgical treatment provides good overall function, ROM and stability, it rarely results in a "normal" knee and the chances of complications and reoperations are high.Cross-sectional comparative study, Level III.
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- Ruhl, Henry A., et al.
(författare)
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Societal need for improved understanding of climate change, anthropogenic impacts, and geo-hazard warning drive development of ocean observatories in European Seas
- 2011
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Ingår i: Progress In Oceanography. ; 91:1, s. 1-33
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Tidskriftsartikel (refereegranskat)abstract
- Society’s needs for a network of in situ ocean observing systems cross many areas of earth and marine science. Here we review the science themes that benefit from data supplied from ocean observatories. Understanding from existing studies is fragmented to the extent that it lacks the coherent long-term monitoring needed to address questions at the scales essential to understand climate change and improve geo-hazard early warning. Data sets from the deep sea are particularly rare with long-term data available from only a few locations worldwide. These science areas have impacts on societal health and well-being and our awareness of ocean function in a shifting climate. Substantial efforts are underway to realise a network of open-ocean observatories around European Seas that will operate over multiple decades. Some systems are already collecting high-resolution data from surface, water column, seafloor, and sub-seafloor sensors linked to shore by satellite or cable connection in real or near-real time, along with samples and other data collected in a delayed mode. We expect that such observatories will contribute to answering major ocean science questions including: How can monitoring of factors such as seismic activity, pore fluid chemistry and pressure, and gas hydrate stability improve seismic, slope failure, and tsunami warning? What aspects of physical oceanography, biogeochemical cycling, and ecosystems will be most sensitive to climatic and anthropogenic change? What are natural versus anthropogenic changes? Most fundamentally, how are marine processes that occur at differing scales related? The development of ocean observatories provides a substantial opportunity for ocean science to evolve in Europe. Here we also describe some basic attributes of network design. Observatory networks provide the means to coordinate and integrate the collection of standardised data capable of bridging measurement scales across a dispersed area in European Seas adding needed certainty to estimates of future oceanic conditions. Observatory data can be analysed along with other data such as those from satellites, drifting floats, autonomous underwater vehicles, model analysis, and the known distribution and abundances of marine fauna in order to address some of the questions posed above. Standardised methods for information management are also becoming established to ensure better accessibility and traceability of these data sets and ultimately to increase their use for societal benefit. The connection of ocean observatory effort into larger frameworks including the Global Earth Observation System of Systems (GEOSS) and the Global Monitoring of Environment and Security (GMES) is integral to its success. It is in a greater integrated framework that the full potential of the component systems will be realised.
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- Kaarre, Janina, 1996, et al.
(författare)
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Differences in postoperative knee function based on concomitant treatment of lateral meniscal injury in the setting of primary ACL reconstruction.
- 2023
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Ingår i: BMC musculoskeletal disorders. - 1471-2474. ; 24:1
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Tidskriftsartikel (refereegranskat)abstract
- Concomitant lateral meniscal (LM) injuries are common in acute anterior cruciate ligament (ACL) ruptures. However, the effect of addressing these injuries with various treatment methods during primary ACL reconstruction (ACLR) on patient-reported outcomes (PROs) is unknown. Therefore, the purpose of this study was to compare postoperative Knee injury and Osteoarthritis Outcome Score (KOOS) at 2-, 5-, and 10-years after isolated primary ACLR to primary ACLR with various treatment methods to address concomitant LM injury.This study was based on data from the Swedish National Knee Ligament Registry. Patients≥15years with data on postoperative KOOS who underwent primary ACLR between the years 2005 and 2018 were included in this study. The study population was divided into five groups: 1) Isolated ACLR, 2) ACLR+LM repair, 3) ACLR+LM resection, 4) ACLR+LM injury left in situ, and 5) ACLR+LM repair+LM resection. Patients with concomitant medial meniscal or other surgically treated ligament injuries were excluded.Of 31,819 included patients, 24% had LM injury. After post hoc comparisons, significantly lower scores were found for the KOOS Symptoms subscale in ACLR+LM repair group compared to isolated ACLR (76.0 vs 78.3, p=0.0097) and ACLR+LM injury left in situ groups (76.0 vs 78.3, p=0.041) at 2-year follow-up. However, at 10-year follow-up, no differences were found between ACLR+LM repair and isolated ACLR, but ACLR+LM resection resulted in significantly lower KOOS Symptoms scores compared to isolated ACLR (80.4 vs 82.3, p=0.041).The results of this study suggest that LM injury during ACLR is associated with lower KOOS scores, particularly in the Symptoms subscale, at short- and long-term follow-up. However, this finding falls below minimal clinical important difference and therefore may not be clinically relevant.III.
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- Li, Zhao, et al.
(författare)
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Non-uniform seasonal warming regulates vegetation greening and atmospheric CO2 amplification over northern lands
- 2018
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Ingår i: Environmental Research Letters. - : IOP Publishing. - 1748-9326. ; 13:12
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Tidskriftsartikel (refereegranskat)abstract
- The enhanced vegetation growth by climate warming plays a pivotal role in amplifying the seasonal cycle of atmospheric CO2 at northern lands (>50° N) since 1960s. However, the correlation between vegetation growth, temperature and seasonal amplitude of atmospheric CO2 concentration have become elusive with the slowed increasing trend of vegetation growth and weakened temperature control on CO2 uptake since late 1990s. Here, based on in situ atmospheric CO2 concentration records from the Barrow observatory site, we found a slowdown in the increasing trend of the atmospheric CO2 amplitude from 1990s to mid-2000s. This phenomenon was associated with the paused decrease in the minimum CO2 concentration ([CO2]min), which was significantly correlated with the slowdown of vegetation greening and growing-season length extension. We then showed that both the vegetation greenness and growing-season length were positively correlated with spring but not autumn temperature over the northern lands. Furthermore, such asymmetric dependences of vegetation growth upon spring and autumn temperature cannot be captured by the state-of-art terrestrial biosphere models. These findings indicate that the responses of vegetation growth to spring and autumn warming are asymmetric, and highlight the need of improving autumn phenology in the models for predicting seasonal cycle of atmospheric CO2 concentration.
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- Mendiguchía, J., et al.
(författare)
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Prevention of hamstring muscle injuries in sports
- 2015
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Ingår i: Sports Injuries: Prevention, Diagnosis, Treatment and Rehabilitation, Second Edition. - Berlin : Springer. - 9783642365690 ; , s. 2281-2296
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Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
- Hamstring muscle injuries are one of the most common injuries in sports. Despite a considerable scientific effort to better understand these injuries and offer effective preventive programs, the incidence and reinjury rates have not improved over the last decades. The implementation of adequate prevention programs for muscle injuries depends on a thorough understanding of mechanisms of injury and risk factors for these injuries. The purpose of this chapter is to provide a comprehensive, critical, and up-to-date review of the literature regarding the influence of mechanisms of injury and risk factors for the implementation of prevention programs for hamstring muscle injuries in sports. Research in hamstring muscle injuries has to evolve into studies with high methodological quality and abandon the classical reductionist model in which a linear and unidirectional causal-effect model between a risk factor and its consequent injury is conceived. © Springer-Verlag Berlin Heidelberg 2012, 2015, All Rights Reserved.
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