abstract background: right ventricular myocardial performance index (rvmpi) is a doppler–derived parameter of non-geometrical ventricular function that measures both systolic and diastolic functions of the right ventricle. the aim of this study is to compare prognostic value of rvmpi with global rv function in patients undergoing coronary artery bypass graft (cabg). methods: in a longitudinal s...

introduction: emergency department performance index (epi) greatly influences the function of other hospital’s units and also patient satisfaction. recently, the iranian ministry of health has defined specific national epi containing five indexes. in the present study, the performance indexes of emergency department (ed) in one educational hospital has been assessed before and after establishme...

introduction small and medium-sized enterprises (smes) bring a broad range of benefits beyond growth of national income, providing important opportunities for employment, and are a key source of an outlet for entrepreneurial creativity and ideas. however, it is estimated that smes are responsible around 60 percent of carbon dioxide emissions and 70 percent of all pollution globally. therefore, ...

iranian industries are increasingly concerned with sustainable development by controlling their impacts on environment. iranian automotive industries have began conducting environmental management within a structured management system based on iso 14001 international standard since 1997. iran khodro co. (ikco), the largest iranian automotive manufacturer, implemented ems entire the company in 2...

background : necessity of evaluating heat stress in the workplace, require validation of indices and selection optimal index. the present study aimed to assess the precision and validity of some heat stress indices and select the optimum index for using in heavy work activities in hot and dry climates. methods: it carried out on 184 workers from 40 brick kilns workshops in the city of qom, cent...

We describe a decision analytic, structured approach for developing environmental indexes ensuring them to be explicit and problem specific. The indexes are used for setting and communicating targets related to products’ environmental performance. Two index models are the fixed model based on the prevailing tradition, where announced targets must be met in every impact category, and the flexibl...