One of the attractive features of Self-Organising Maps (SOM) is the so-called “topological preservation property”: observations that are close to each other in the input space (at least locally) remain close to each other in the SOM. In this work, we propose the use of a bootstrap scheme to construct a statistical significance test of the observed proximity among individuals in the SOM. While c...

Computer grids are collections of heterogeneous computer resources that work together to form a single system. Goal of that system is conducting difficult and data intensive scientific or technological calculations. This is achieved by sharing resources and data among different users and organizations. The special property of a grid system is that not only users, but also the resources are dyna...

abstract background: most of the patients admitted in the intensive care units (icus) require an endotracheal tube and mechanical ventilation. in order to clear and maintain patency of the airways, endotracheal suctioning is required. therefore, the least detrimental way of endotracheal tube suctioning which can diminish the complications should be selected. the present study aimed to compare t...

abstract background: during health care in the neonatal intensive care unit (nicu), infants undergo extremely painful procedures, which may cause problems, if not controlled, such as changes in the pattern of respiratory rate, heart rate, and blood oxygen saturation. the present study aimed to find the effect of melody on the physiological responses of neonates’ heel stick pain. materials and m...

introduction: the improvement of technology has increased noise levels in hospital wards to higher than international standard levels (35-45 db). higher noise levels than the maximum level result in patient’s instability and dissatisfaction. moreover, it will have serious negative effects on the staff’s health and the quality of their services. the purpose of this survey is to analyze the level...

background craniosynostosis results from premature closure of one or more cranial sutures, leading to deformed calvaria and craniofacial skeleton at birth. postoperative complications and outcome in intensive care unit (icu) is related to surgical method and perioperative management. this study determined the perioperative risk factors, which affect outcome of patients after craniosynostosis su...

malaria is a parasitic disease that is starting to be encountered in intensive care units (icu) worldwide, owing to increasing globalisation. severe malaria caused by plasmodium falciparum , is characterised by cerebral malaria, acute renal failure, hypoglycaemia, severe anaemia, splenomegaly and alveolar oedema. we present the case of a 25-yr old male patient who presented to the emergency dep...

conclusions the results indicated that suitable facilities and equipment, human resources, and infrastructure were available in the district hospitals in iran. these findings showed that there is potential for the district hospitals to provide care in a wider spectrum. results in this study, 100% of the studied hospitals had oxygen cylinders, running water, electricity, anesthesia machines, eme...

objectives the current study aimed to compare the two methods based on the perceptions of the nurses working in neonatal intensive care units (nicu). patients and methods a comparative-descriptive study carried out on 35 nicu nurses in taleghani and al-zahra teaching hospitals in tabriz, iran, in 2013. data were collected by self-administered questionnaire (13 items). data analysis, including t...