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How the COVID-19 pandemic has affected the colorectal cancer screening in Italy:A minireview

World Journal of Gastrointestinal Oncology 2022年第8期14卷 1490-1498页

作者： Alessandro Fancellu Simone Veneroni antonio santoru Arianna Meloni Valeria Sanna Giorgio C Ginesu Giulia Deiana Panagiotis Paliogiannis Chiara Ninniri Teresa Perra Alberto Porcu Department of Medical Surgicaland Experiemental SciencesUnit of General Surgery 2-Clinica ChirurgicaUniversity of SassariSassari 07100Italy Unit of Oncology AOU SassariSassari 07100Italy Department of Medical Surgicaland Experimental Sciences.Unit of PathologyUniversity of SassariSassari 07100Italy

The coronavirus disease 2019(COVID-19)pandemic has caused detrimental effects on many aspects of healthcare *** programs for the commonest malignancies,namely colorectal cancer(CRC),breast cancer and cervical cancer have been discontinued or interrupted since the beginning of restriction measures aimed to limit transmission of the new coronavirus *** evidence exists in favour of the role of screening campaigns in reducing mortality from *** fact,the majority of pre-malignant lesions of the colon and rectum can be diagnosed with colonoscopy and treated by endoscopic or surgical ***,colonoscopy screening allows the diagnosis of CRCs in their pre-clinical *** was one of the first European countries where a high level of COVID-19 infections and deaths was observed,and one of the first where lockdowns and strict measures were adopted to reduce the risk of COVID-19 diffusion among the population.A systematic review of the literature was performed,including the PubMed,Scopus,Web of Sciences,and Reference Citation Analysis databases,with the aim of critically evaluating the impact of the COVID-19 pandemic on CRC screening in *** found that reduction of CRC screening activity surpassed 50%in most endoscopic units,with almost 600000 fewer CRC screening exams conducted in the first 5 mo of 2020 vs the same period of *** the consequences of the discontinuation of endoscopy screening for the prognosis and mortality of CRC will be evident in the next few years,recent data confirm that CRC is currently treated at a more advanced stage than in the pre-COVID-19 *** delays in CRC prevention and early diagnosis may translate to increased CRC-specific mortality,world healthcare systems should adopt strategies to maintain the regularity of CRC screening during subsequent peaks of the COVID-19 pandemic,or future events that might hamper screening programs.

关键词： COVID-19 Colorectal cancer screening Italy Minireview

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A new mutually destabilized reactive hydride system:LiBH4–Mg2NiH4

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Journal of Energy Chemistry 2019年第7期28卷 240-254页

作者： Nils Bergemann Claudio Pistidda Maike Uptmoor Chiara Milanese antonio santoru Thomas Emmler Julián Puszkiel Martin Dornheim Thomas Klassen Department of Nanotechnology Institute of Materials ResearchHelmholtz-Zentrum Geesthacht21502GeesthachtGermany Pavia Hydrogen Lab C.S.G.I.and Chemistry DepartmentPhysical Chemistry SectionUniversity of Pavia27100 PaviaItaly Institute of Materials Technology Helmut-Schmidt-University22043 HamburgGermany

In this work,the hydrogen sorption properties of the LiBH4-Mg2NiH4 composite system with the molar ratio 2:2.5 were thoroughly investigated as a function of the applied temperature and hydrogen *** the best of our knowledge,it has been possible to prove experimentally the mutual destabilization between LiBH4 and Mg2NiH4.A detailed account of the kinetic and thermodynamic features of the dehydrogenation process is reported here.

关键词： Hydrogen storage Metal hydrides Borohydrides Reactive Hydride Composites(RHC) Mutual destabilization Ternary borides

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