OBJECTIVE Incomplete myocardial revascularization decreases survival for patients undergoing coronary artery bypass grafting. The effects of constructing multiple grafts to each major diseased artery territory are unknown. We aimed to determine the impact on long-term survival after coronary artery bypass grafting of placing multiple grafts to each myocardial territory. METHODS We reviewed da...

BACKGROUND AND PURPOSE Knowledge of the vascular territory of a recent transient ischemic attack or minor stroke determines appropriate investigations and the need for territory-specific interventions such as endarterectomy and stenting. However, there are few published data on the accuracy of clinical assessment of the vascular territory. METHODS We studied agreement of clinical diagnosis of...

This essay is a contemplation of the notion of eigenform as explicated by Heinz von Foerster in his paper [4]. In that paper Heinz performs the magic trick of convincing us that the familiar objects of our existence can be seen to be nothing more than tokens for the behaviors of the organism that create stable forms. This is not to deny an underlying reality that is the source of these objects,...

Accurate monitoring of vegetation dynamics is required to understand the inter-annual variability and long term trends in terrestrial carbon exchange in tundra and boreal ecoregions. In western North America, two Normalized Vegetation Index (NDVI) products based on spectral reflectance data from the Moderate Resolution Imaging Spectroradiometer (MODIS) are available. The MOD/MYD13A2 NDVI produc...

Among fishes, courtship behaviour and nesting defense are strong predictors of reproductive success. We conducted three experiments to assess the impacts of exposure to 17α-ethynylestradiol (EE2) on the ability of male fathead minnows (Pimephales promelas) to establish and defend a spawning territory. Fish were exposed to EE2 (2 or 8 ng L-1) for 27 days, while spawning conditions were gradually...

Thalweg profiles are longitudinal profiles of the streambed elevation measured along the deepest portion of the stream. This technique has recently been advocated as a tool to monitor fish habitat in streams because profiles can provide useful information on such habitat, and measurements are both repeatable and independent of stream flow. However, a relation between fish abundance and metrics ...

We analyse the network traffic of the online multiplayer first person shooter game Enemy Territory. The game is based on the Quake 3 game engine but has more complex gaming rules. The data analysed is taken from a public game server run at CAIA, and corresponds to real gaming traffic. Measuring the packet length, inter-arrival time and bandwidth in both directions, this paper describes the impa...