Situation Report-51 SITUATION IN NUMBERS total and new cases in last 24 hours Globally 118 319 confirmed (4620 new) 4292 deaths (280 new) China 80 955 confirmed (31 new) 3162 deaths (22 new) Outside of China 37 364 confirmed (4589 new) 1130 deaths (258 new) 113 countries/territories/ areas (4 new) WHO RISK ASSESSMENT China Very High Regional Level Very High Global Level Very High HIGHLIGHTS • WHO Director-General in his regular media briefing today stated that WHO has been assessing this outbreak around the clock and we are deeply concerned both by the alarming levels of spread and severity, and by the alarming levels of inaction. WHO therefore have made the assessment that COVID-19 can be characterized as a pandemic. For detailed information, please see here. • Four new countries/territories/areas (Bolivia [Plurinational State of], Jamaica, Burkina Faso and Democratic Republic of the Congo) have reported cases of COVID-19 in the past 24 hours. • The COVID-19 virus infects people of all ages. However, evidence to date suggests that two groups of people are at a higher risk of getting severe COVID-19 disease. These are older people; and those with underlying medical conditions. WHO emphasizes that all must protect themselves from COVID-19 in order to protect others. For more information, please see 'subject in focus'. • On 10 March, the IFRC, UNICEF and WHO issued a new guidance to help protect children and schools from transmission of the COVID-19 virus. The guidance provides critical considerations and practical checklists to keep schools safe. More information can be found here. Figure 1. Countries, territories or areas with reported confirmed cases of COVID-19, 11 March 2020 Erratum: 'Total cases' and 'new cases' for Bulgaria and Paraguay have been corrected. SUBJECT IN FOCUS: Risk Communication guidance-COVID-19, older adults and people with underlying medical conditions The virus that causes COVID-19 infects people of all ages. However, evidence to date suggests that two groups of people are at a higher risk of getting severe COVID-19 disease. These are older people (that is people over 60 years old); and those with underlying medical conditions (such as cardiovascular disease, diabetes, chronic respiratory disease, and cancer). The risk of severe disease gradually increases with age starting from around 40 years. It's important that adults in this age range protect themselves and in turn protect others that may be more vulnerable. WHO has issued advice for these two groups and for community support to ensure that they are protected from COVID-19 without being isolated, stigmatized, left in a position of increased vulnerability or unable to access basic provisions and social care. This advice covers the subject of receiving visitors, planning for supplies of medication and food, going out safely in public and staying connected with others through phone calls or other means. It is essential that these groups are supported by their communities during the COVID-19 outbreak. WHO emphasizes that all people must p...

Tibial plateau fractures are complex injuries produced by high- or low-energy trauma. They principally affect young adults or the ‘third age’ population.These fractures usually have associated soft-tissue lesions that will affect their treatment. Sequential (staged) treatment (external fixation followed by definitive osteosynthesis) is recommended in more complex fracture patterns. But one should remember that any type of tibial plateau fracture can present with soft-tissue complications.Typically the Schatzker or AO/OTA classification is used, but the concept of the proximal tibia as a three-column structure and the detailed study of the posteromedial and posterolateral fragment morphology has changed its treatment strategy.Limb alignment and articular surface restoration, allowing early knee motion, are the main goals of surgical treatment. Partially articular factures can be treated by minimally-invasive methods and arthroscopy is useful to assist and control the fracture reduction and to treat intra-articular soft-tissue injuries.Open reduction and internal fixation (ORIF) is the gold standard treatment for these fractures. Complex articular fractures can be treated by ring external fixators and minimally-invasive osteosynthesis (EFMO) or by ORIF. EFMO can be related to suboptimal articular reduction; however, outcome analysis shows results that are equal to, or even superior to, ORIF. The ORIF strategy should also include the optimal reduction of the articular surface.Anterolateral and anteromedial surgical approaches do not permit adequate reduction and fixation of posterolateral and posteromedial fragments. To achieve this, it is necessary to reduce and fix them through specific posterolateral or posteromedial approaches that allow optimal reduction and plate/screw placement.Some authors have also suggested that primary total knee arthroplasty could be an option in specific patients and with specific fracture patterns.Cite this article: Prat-Fabregat S, Camacho-Carrasco P. Treatment strategy for tibial plateau fractures: an update. EFORT Open Rev 2016;1:225-232. DOI: 10.1302/2058-5241.1.000031.

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To support the global restart of elective surgery, data from an international prospective cohort study of 8492 patients (69 countries) was analysed using artificial intelligence (machine learning techniques) to develop a predictive score for mortality in surgical patients with SARS-CoV-2. We found that patient rather than operation factors were the best predictors and used these to create the COVIDsurg Mortality Score (https://covidsurgrisk.app). Our data demonstrates that it is safe to restart a wide range of surgical services for selected patients.