patients and methods sixty children aged between 2 and 12 years, and scheduled for on-pump surgery due to a congenital heart disease were randomly assigned into two groups. oral midazolam (0.5 mg/kg up to 15 mg per patient) and dexmedetomidine (2 µg/kg) were administered 45 minutes pre-anesthesia. children’s anxiety, mask acceptance behavior, hemodynamic measures, and cardiopulmonary outcomes w...

this article proposes a revised technology acceptance model to measure customers ‘acceptance of internet banking, in iran. this study uses the technology acceptance model, theory of planned behavior and theory of perceived risk to build a comprehensive model. we designed a questionnaire and used it to survey a randomly selected sample of customers of internet banking, and in june 2010, a sample...

Matching a set of agents to a set of objects has many real applications. One well-studied framework is that of prioritybased matching, in which each object is assumed to have a priority order over the agents. The Deferred Acceptance (DA) and Top-Trading-Cycle (TTC) mechanisms are the best-known strategy-proof mechanisms. However, in highly anonymous environments, the set of agents is not known ...

this study was conducted to examine the obstacles of performing suggestion system at executive organizations of zanjan province,iran, in order to recognize the problematic areas. to this end, executive organizations were divided into two groups on the basis of performing given suggestions: successful and unsuccessful groups . from each group,  four organizations were studied. similarly, perform...

One of the major obstacles to hepatitis C virus (HCV) care in people who inject drugs (PWID) is the lack of treatment settings that are suitably adapted for the needs of this vulnerable population. Nevertheless, HCV treatment has been delivered successfully to PWID through various multidisciplinary models such as community-based clinics, substance abuse treatment clinics, and specialized hospit...

Proponents of xenotransplantation hope that it will provide organs to fill the gap between the demand for and supply of organs for transplant. The scientific obstacles to transplanting animal organs into humans are daunting, as are the moral, political, and policy issues. Among them are concerns about animal rights and welfare, patient acceptance and informed consent, and broader public health ...

The research described in this paper investigates the problems and issues faced by companies implementing Product Data Management (PDM) systems. The aim is to produce guidelines to help managers implement PDM to gain maximum competitive advantage. A pilot study, which illustrates the key factors necessary for the successful implementation of a PDM system, was carried out and this was followed w...

Background: Professional development (PD) efforts have improved acceptance and pedagogical practice related to the theory of evolution in high school biology teachers. However, these teachers express need for more PD related to evolution. It therefore becomes necessary to understand teachers’ PD needs prior to structuring PD efforts. Methods: We formulated and validated a model to explain secon...