This study compared digital angiography (Digital) to conventional cineangiography (Cine) for the diagnosis and quantification of coronary artery disease. Digital and Cine were obtained simultaneously under identical radiographic conditions during routine coronary arteriography. Using visual inspection and manual calipers, four independent observers identified 131 stenoses in 18 patients with mu...

this paper highlights the strategic role of regional and national policies for digital libraries and archives in promoting access to knowledge for development in africa.  it views regional/national information policies as general frameworks and contexts within which policies for digital libraries and archives are situated.  it, however, recognizes the need to highlight the latter as instrument ...

Background & Aims: Teleradiology as an efficient way for avoiding unnecessary transfer of patients to special medical centers requires the images with digital format. However, in some developing countries, including Iran, imaging is being done using non digital devices. In such cases, changing analog images into digital ones can solve the problem. The method which is nowadays used for digita...

Background and Purpose:  Due to the important role of imaging in the diagnosis and treatment plan in orthodontics, CBCT (Cone Beam Computed Tomography) images because of their three-dimensional nature, can minimize the disadvantages of two-dimensional images such as magnification, distortion, or superimposition. The purpose of this study was to evaluate the accuracy of conventional cephalograms...

Although perceived usefulness and perceived ease of use are two important factors which could directly influence the acceptance of technology and actual usage for digital textbook, less attention has been paid to children’s mobile digital textbook usage. Therefore, the purpose of this study is to investigate and empirically validate the perceived usefulness and the perceived ease of use by elem...

BACKGROUND Digital interventions have been effective in improving numerous health outcomes and health behaviors; furthermore, they are increasingly being used in different health care areas, including self-management of long-term conditions, mental health, and health promotion. The full potential of digital interventions is hindered by a lack of user engagement. There is an urgent need to devel...