This study aimed to investigate the relationships among parameters from dynamic contrast-enhanced (DCE) MRI, diffusion-weighted MRI (DWI), and F-fluorodeoxyglucose (F-FDG) PET in patients with primary head-and-neck squamous cell carcinoma (HNSCC).A total of 34 patients with primary HNSCC underwent DCE-MRI, DWI, and F-FDG PET before treatment. The perfusion parameters (Ktrans, Ktransmax, Kep, Ve...

Models have been developed for analyzing dynamic contrast-enhanced (DCE)-MRI data that do not require measurements of the arterial input function (AIF). In this study, experimental results obtained from a reference region (RR) analysis are compared with results of an AIF analysis in the same set of five animals (four imaged twice, yielding nine data sets), returning estimates of the volume tran...

Respiration variation in arterial pulse pressure (ΔPP) and pulse oximetry plethysmographic waveform amplitude (ΔPOP) are accurate predictors of fluid responsiveness in mechanically ventilated patients. We hypothesized that stroke volume variation (SVV) and pleth variability index (PVI) can predict fluid responsiveness in mechanically ventilated patients during major surgical procedures in H...

The next fi ve years looks set to be an exciting time for research and development in Singapore. The nation has announced a budget of S$16.1 billion, or one percent of its expected GDP, for public-sector R&D activities over the next fi ve years. This budget is 20 percent more than the previous tranche of S$13.6 billion for 2006–2010, and heralds a new age of close working relationships among in...

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Component-oriented software seems promising in providing the dynamism and flexibility necessary to realize the Virtual Enterprise (VE) model for business organisations. According to the VE model, and from the perspective of componentoriented programming, a virtual enterprise system could be constructed by marshalling the necessary services through composition of available components selected fr...

Context-awareness is a requirement in many modern web applications. \Vhile most model-driven web engineering approaches have been extended vvith support for adaptivity, state-of-the-art dew lopment platforms generally provide only limited means for the specification of adaptation and often completely lack a notion of context. \Ve propose a domain-specific language for context-aware web applicat...

Value-Based Software Engineering stresses the role of value in software related decisions. In context feature selection, features judged to provide higher take priority development process. This paper focuses on what means when selecting features. Using grounded theory, we conducted and analyzed semi-structured interviews with 21 key stakeholders (decision-makers) from three software/software-i...

This document reports in brief the findings of a study conducted to observe the relationship between a sense of presence and team training in decision making in dynamic high risk environments. A simple desktop virtual game environment is used to explore the possibility that, in this context, such semi immersive dynamic virtual environment (VE) could be used to achieve a sense of presence suffic...