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2000全国肿瘤学术大会

作者： George H.Mya Htut Saing division of paediatric surety Department of SurgeryThe University of Hong KongQueen Mary HospitalHong Kong. division of paediatric Surgery Department of SurgeryThe University of Hong KongQueen Mary HospitalHong Kong

A total of 24 catheterizations in 16 children with malignancy, admitted into Queen Mary Hospital,Hong Kong,between April 1987 and July 1993,were studied *** cell counts(WCC),taken within the 24 hour period prior to catheterisation,were *** were cate- gorized into four groups:1)neutropenia(WCC? 1.0×10/L),2)subnor- mal(WCC between 1.0 and 3.5×10/L), 3)normal(WCC between 3.5 and 11.0×10/L) and 4)leukocytosis(WCC?11.0×10/L).The mean age of the patients was 4.4 *** total duration of catheterisation was 4801 *** central venous line infection rates for groups 1,2,3 and 4 were 5.3,1.3,1.6 and 2.4 infection per 1000 days of catheter use respec- *** these four groups,we found no difference in the infection rates of central venous catheters(p=0.64,χ-square).When the groups 1, 2 and 4 were compared to group 3(normal),no difference was detected either (p=0.34,1.00 and 0.65 respectively,Fisher’s exact test).We conclude that central venous catheterization in children with malignancy under antibiotic cover during neutropenia or leukocytosis is not contraindicated.

关键词： Central venous catheter White cell count Neutropenia

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Cloud Computing at a Cross Road: Quality and Risks in Higher Education

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Advances in Internet of Things 2019年第3期9卷 33-49页

作者： Mohammed Ali Alliance Manchester Business School Manchester Institute of Innovation Research Innovation Management and Policy DivisionUniversity of Manchester Manchester UK

The key determinants of cloud computing provide a convincing argument for HEIs and its stakeholders to adopt the innovation. These benefits reflect the essential quality characteristics of the cloud, such as Broad network Access;Measured Service;On-demand Self-Service;Rapid Elasticity;and Resource Pooling. However, there are also risks associated with the cloud, leading to non-adoption, such as Confidence, Privacy, Security, surety and Trust. Understanding the impact of these factors can support multiple stakeholders, such as students, lecturers, senior managers and admins in their adoptive decision of CC in their respected institutions. Using the Multiview 3 (MV3) methodology, a research model was proposed to explore the key qualities and risks that determine the adoption or non-adoption of CC by UK HEIs from multiple perspectives. An exploratory qualitative study was conducted on 32 University stakeholders across 2 UK Universities. The findings suggest that security, privacy and trust are the key determinants to non-adoption as participants felt that the cloud cannot fully guarantee the safeguarding of sensitive information. Determinants to cloud adoption include improving relationships between students and teachers via collaborative tools, in addition to proposing cloud apps for mobile devices for accessing virtual learning materials and email securely off-campus. In conclusion, University stakeholders are still at a cross-road when it comes to cloud adoption, but future advances of the cloud may help to steer their decision to adopt this innovative technology given its overwhelming potential.

关键词： Cloud Computing Higher Education Innovation Stakeholders Quality Risks

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