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One approach for achieving runtime adaptability in software is to use application frameworks that are tailored for the development of self-adaptive systems. In this paper, we present the <i>Graph-based Runtime Adaptation Framework</i> (GRAF), which enables adaptivity by creating, managing, and interpreting graph-based models of software at runtime. Having a(More)
High-resolution, multi-electrode mapping is providing valuable new insights into the origin, propagation, and abnormalities of gastrointestinal (GI) slow wave activity. Construction of high-resolution mapping arrays has previously been a costly and time-consuming endeavor, and existing arrays are not well suited for human research as they cannot be reliably(More)
BACKGROUND The significance of gastric dysrhythmias remains uncertain. Progress requires a better understanding of dysrhythmic behaviors, including the slow wave patterns that accompany or promote them. The aim of this study was to use high-resolution spatiotemporal mapping to characterize and quantify the initiation and conduction of porcine gastric(More)
BACKGROUND Effective hand hygiene has long been recognised as an important way to reduce the transmission of bacterial and viral pathogens in healthcare settings. However, many studies have shown that adherence to hand hygiene remains low, and improvement efforts have often not delivered sustainable results. The Children's Hospital at Westmead is the(More)
BACKGROUND Colorectal cancer surgery, and rectal surgery in particular, has benefited from increased regionalization and subspecialization. With increasing focus on dedicated colorectal units in tertiary centres, the role of smaller provincial hospitals in colorectal cancer surgery has been of topical interest. Little data of relevance to this issue are(More)
BACKGROUND & AIMS High-frequency gastric electrical stimulation (GES) is a relatively new treatment for medically refractory gastroparesis. There have been a number of clinical studies based on the use of a high-frequency stimulator (Enterra, Medtronic, Minneapolis, MN). A meta-analysis was performed to evaluate evidence for improved clinical outcome with(More)
BACKGROUND The traditional approach to palliating patients with malignant gastric outlet obstruction (GOO) has been open gastrojejunostomy (OGJ). More recently endoscopic stenting (ES) and laparoscopic gastrojejunostomy (LGJ) have been introduced as alternatives, and some studies have suggested improved outcomes with ES. The aim of this review is to compare(More)
In a recent Lancet Case report, a patient presented with subacute combined degeneration of the spinal cord after recreational use of nitrous oxide (N2O). There is very little information about use of this substance as a recreational drug. In a questionnaire-based study, we surveyed 1782 students in their first year at the University of Auckland, New(More)