More than 500 million people worldwide live with cardiovascular disease (CVD). Health systems today face fundamental challenges in delivering optimal care due to ageing populations, healthcare workforce constraints, financing, availability and affordability of CVD medicine, and service delivery. Digital health technologies can help address these challenges. They may be a tool to reach Sustainable Development Goal 3.4 and reduce premature mortality from non-communicable diseases (NCDs) by a third by 2030. Yet, a range of fundamental barriers prevents implementation and access to such technologies. Health system governance, health provider, patient and technological factors can prevent or distort their implementation. World Heart Federation (WHF) roadmaps aim to identify essential roadblocks on the pathway to effective prevention, detection, and treatment of CVD. Further, they aim to provide actionable solutions and implementation frameworks for local adaptation. This WHF Roadmap for digital health in cardiology identifies barriers to implementing digital health technologies for CVD and provides recommendations for overcoming them.

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Objetivos: Avaliar o impacto da pandemia COVID-19 nas admissões de doentes com síndromes coronárias agudas (SCA) e angioplastia coronária primária (PPCI) em países que participam da iniciativa global Stent-Save a Life (SSL). Métodos e resultados: realizámos estudo observacional multicêntrico para coletar dados sobre admissões de doentes por ACS, STEMI e PPCI nos países participantes no SSL durante um período do surto COVID-19 (março e abril de 2020) em comparação com o período homólogo de 2019. Dos 32 países membros da iniciativa global SSL, 17 aceitaram participar no estudo (3 de África, 5 da Ásia, 6 da Europa e 3 da América Latina (LATAM)). Observámos uma redução global de 27,5% e 20,0% nos internamentos com SCA e STEMI, respetivamente. A diminuição do PPCI foi de 26,7%. Essa tendência foi observada em todos os países, exceto dois. Nestes dois países, a pandemia atingiu o pico mais tarde do que nos restantes. Conclusões: Este estudo mostra que o surto de COVID-19 foi associado a uma redução significativa de admissões hospitalares por SCA e STEMI, bem como uma redução de PPCI, o que pode ser explicado por fatores relacionados com o doente e com o sistema.

A preliminary study was conducted on greenhouse-grown soybean plants to investigate if carbon isotope (t3C) discrimination (A) is related with the capacity to fix atmospheric nitrogen (N2). Seven soybean (Glycine max (L.) Merrill) cultivars (Goldsoy, A-100, Lee, Ada, D61-2694, Alto and Evans) inoculated with a mixture of Bradyrhizobium japonicum were tested. A salinity treatment imposed on one set of plants increased the range in A (18.72 x 103 -19.56 x 103 without salinity to 18.72 x 103 -20.36 x 103 with salinity) and N z fixation (79.4%--84.9% without salinity to 73.6%--84.9% with salinity) attainable in the seven cultivars studied. For the full range of treatments, A was negatively correlated (r = -0.62*) with N 2 fixation. Thus, subject to confirmation from further study, A may prove a useful tool in the selection of legume genotypes with a high capacity for N 2 fixation.

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