Test, Trace, and Put on the Blockchain?: A Viewpoint Evaluating the Use of Decentralized Systems for Algorithmic Contact Tracing to Combat a Global Pandemic.

The enormous pressure of the increasing case numbers experienced during the COVID-19 pandemic has given rise to a variety of novel digital systems designed to provide solutions to unprecedented challenges in public health. The field of algorithmic contact tracing, in particular, an area of research that had previously received limited attention, has moved into the spotlight as a crucial factor in containing the pandemic. The use of digital tools to enable more robust and expedited contact tracing and notification, while maintaining privacy and trust in the data generated, is viewed as key to identifying chains of transmission and close contacts, and, consequently, to enabling effective case investigations. Scaling these tools has never been more critical, as global case numbers have exceeded 100 million, as many asymptomatic patients remain undetected, and as COVID-19 variants begin to emerge around the world. In this context, there is increasing attention on blockchain technology as a part of systems for enhanced digital algorithmic contact tracing and reporting. By analyzing the literature that has emerged from this trend, the common characteristics of the designs proposed become apparent. An archetypal system architecture can be derived, taking these characteristics into consideration. However, assessing the utility of this architecture using a recognized evaluation framework shows that the added benefits and features of blockchain technology do not provide significant advantages over conventional centralized systems for algorithmic contact tracing and reporting. From our study, it, therefore, seems that blockchain technology may provide a more significant benefit in other areas of public health beyond contact tracing.

SARS-CoV-2 outbreak impact on a trauma unit.

BACKGROUND: From February 2020 onwards, our country has been hit by the coronavirus severe acute respiratory syndrome-2 (SARS-CoV-2) infection. At a glance, hospitals became overrun and had to reformulate all the assistance guidelines, focusing on the coronavirus disease 2019. One year after the start of the pandemic, we present the results of a morbimortality study. AIM: To analyze how our department was affected by the outbreak in terms of morbimortality, and to analyze demographic data, admission to hospital-related data, and subgroups analyses for patients with hip fractures and polytrauma. METHODS: We designed a study comparing data from patients who were admitted to our unit due to a lower limb fracture or a high energy trauma during the pandemic (from March to April 2020) to those admitted during the same period in 2019 before the pandemic. during the pandemic situation. Both cohorts completed a minimum of 6 mo of follow-up. RESULTS: The number of patients admitted to hospital in 2020 was nearly half of those in 2019. Hip fractures in the elderly represented 52 out of 73 of the admitted patients. Twenty patients had a positive test result for SARS-CoV-2 infection. Patients with SARS-CoV-2 infection were admitted to the hospital for a longer time than the non-infected (P < 0.001), and had a higher mortality rate during hospitalization and follow-up (P = 0.02). Patients with a hip fracture associated with a severe respiratory syndrome were mostly selected for conservative treatment (P = 0.03). CONCLUSION: Mortality and readmission rates were higher in the 2020 cohort and during follow-up, in comparison with the cohort in 2019.

What COVID-19 can mean for people with hemophilia beyond the infection risk.

INTRODUCTION: The coronavirus disease 2019 (COVID-19) pandemic represents an unprecedented global health crisis. To combat its effects, many governments have opted for strategies of social isolation that involve a radical change in people's behavior. AREAS COVERED: For patients with hemophilia, the negative consequences of these measures can be greater, given they modify aspects of health care and lifestyles needed to counteract the adverse effects of hemophilia. The long-term consequences of the pandemic on patients with hemophilia are not well known. The aim of this special report is to show what COVID-19 could mean for this population, beyond the risk of infection. EXPERT OPINION: Considerations of the clinical, care, therapeutic, physical, nutritional, mental health, pain, and disability aspects that might be affected are included. Strategies are also suggested to minimize the effects that these issues can have on patients' lives. Patients, health professionals, and society as a whole must work together to mitigate the effects of the pandemic on people with hemophilia.