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There is pressure for surgical departments to introduce new and innovative health technologies in an evidence-based manner while ensuring that they are safe and effective and can be managed with available resources. A local health technology assessment (HTA) program was developed to systematically integrate research evidence with local operational(More)
PURPOSE When introducing new health technologies, decision makers must integrate research evidence with local operational management information to guide decisions about whether and under what conditions the technology will be used. Multi-criteria decision analysis can support the adoption or prioritization of health interventions by using criteria to(More)
BACKGROUND Safe and effective patient preoperative skin antisepsis is recommended to prevent surgical site infections (SSIs), reduce patient morbidity, and reduce systemic costs. However, there is lack of consensus among best practice recommendations regarding the optimal skin antiseptic solution and method of application. METHODS In 2010 and 2011 the(More)
A new method for the deformation of curves is presented. It is based upon a decomposition of the linear elasticity problem into basic physical laws. Unlike other methods which solve the partial differential equation arising from the physical laws by numerical techniques, we encode the basic laws using computational algebraic topology. Conservative laws use(More)
PURPOSE Introducing new health technologies, including medical devices, into a local setting in a safe, effective, and transparent manner is a complex process, involving many disciplines and players within an organization. Decision making should be systematic, consistent, and transparent. It should involve translating and integrating scientific evidence,(More)
This paper proposes an alternative to partial differential equations (PDEs) for the solution of the optical flow problem. The problem is modeled using the heat transfer process. Instead of using PDEs, we propose to use the global equation of heat conservation. We use a computational algebraic topology-based image model which allows us to encode some(More)
This paper proposes an alternative to partial differential equations (PDEs) for the solution of diffusion modeled using the heat transfer problem. Traditionally, the method for solving such physics-based problems is to discretize and solve a PDE by a purely mathematical process. Instead of using the PDE, we use the global heat equation and decompose it into(More)
We present a new method for the deformation of curve based upon a decomposition of the elasticity problem into basic physical laws. We encode the basic laws using computational algebraic topology. Each basic law uses exact global values and makes approximations only when they are needed. The deformations computed with our approach have a physical(More)
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