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- MakaleYalnız künye2019Scopus SJRQ3Emergency department ergonomic design evaluation: A case study using fuzzy DEMATEL-focused two-stage methodology
Gul, Muhammet
Objectives: An emergency department (ED) is a unit of a hospital that is designed, staffed, and equipped to treat injured people and those afflicted with sudden and severe illness. Evaluation of ergonomic design of these departments with respect to specific criteria/standards is expected to contribute to the improvement of productivity and service quality since EDs have too much complexity and volume in the patient flow. Therefore, this paper proposes a two-stage methodology for evaluation of ED ergonomic design. Methods: The first stage provides a check-list with 137 items on six main headings to evaluate the ergonomics of ED physical design with the opinions of medical staff. The second stage offers a fuzzy-based cause and effect decision-making model for the decreased items assessed in the first stage. In this stage, a fuzzy decision-making trial and evaluation laboratory (FDEMATEL) is used since the decision-making process involves the vagueness of human judgments. Results: Considering the interdependence among items, proposed FDEMATEL reflects the causal relationships among criteria through a cause-effect relationship diagram. A case study was carried out at a training and research hospital ED in Istanbul, Turkey. Conclusion: In conclusion, several suggestions are offered that the ED needs interventions on accessibility, patient and personnel accommodations, and personnel privacy.
AtıfScopus19WoS18OpenAlex20
İncele - MakaleYalnız künye2017PROJECT MANAGEMENT IN HEALTHCARE: A CASE STUDY FOR PATIENT FLOW EVALUATION IN AN EMERGENCY ROOM USING FUZZY CPM AND FUZZY PERT
Gül, Muhammet; Güneri, Ali Fuat; Günes, Gizem
An ideal healthcare system is considered as a system that provides the most quality service level, lower costs and unlimited access. Any delay in patient flow may result in undesired consequences and losses in healthcare facilities such as hospitals and their sub units. Project management is defined as application of techniques to project activities to meet the project requirements. It has techniques that can help healthcare facilities and units standardize care and quality, reduce costs, improve effectiveness and decrease prolonged waits. The current study is carried out in an emergency department of a university hospital to understand the patient flow of the department with respect to the Fuzzy Critical Path Method (FCPM) and Fuzzy Program Evaluation Review Technique (FPERT). The reason for incorporating fuzzy sets is stemmed from that fuzzy numbers are more effective for high uncertainty processes as in emergency departments. Activities affecting patient flow through the ED are identified and project network is drawn. 1500 patients' data about the times of each activities are obtained from the observed ED. Findings through application of FCPM and FPERT, the expected time for completion of the project, the critical path and slack times are determined.
AtıfWoS2İncele - BildiriYalnız künye2017Forecasting daily patient visits in an emergency department by ga-ann hybrid approach
Pekel, Engin; Gul, Muhammet; Celik, Erkan; Drobne, S.; Zerovnik, J.; Zadnik Stirn, L.; Kljajic Borstar, M.
An Emergency Department (ED) plays a crucial role in the health system by providing acute care for patients who attend hospital without prior appointment. An accurate forecasting of patient visits in EDs contributes to health care decision makers to better allocate ED human resources and medical equipment. In this paper, a hybrid genetic algorithm–artificial neural network (GA–ANN) approach is developed. The forecasting performance of the hybrid approach is obtained using the real-world data set collected from a public hospital in Istanbul, Turkey. The hybrid GA–ANN model is shown to perform well in terms of forecasting accuracy. In order to contribute to the current knowledge, this paper is a novel attempt of applying GA-ANN to model ED patient arrivals, and the results can be used to aid in strategic decision-making on ED resource planning in response to predictable arrival variations.
AtıfScopus4İncele - MakaleYalnız künye2016Scopus SJRQ1Emergency department performance evaluation by an integrated simulation and interval type-2 fuzzy MCDM-based scenario analysis
Gul, Muhammet; Celik, Erkan; Gumus, Alev Taskin; Guneri, Ali Fuat
Emergency departments (EDs) have an important position in healthcare system environment because of their serviceability to the patients with several illnesses and injuries at all hours of the day and night. Therefore, efficient management of these departments by executives and service providers is only possible with effective tools such as simulation. The concept of multiple criteria decision-making (MCDM) is applicable by computer simulation for decision analysis and performance evaluation of an ED. This study proposes an integration of computer simulation, MCDM methods of interval type-2 fuzzy analytic hierarchy process (IT2FAHP), and ELECTRE for an ED system in a university hospital. Due to the high uncertainty in ED operations, interval type-2 fuzzy sets (IT2FSs) are used in MCDM process. Consequently, the integrated method can be used as a useful tool to evaluate the ED performance and select the best scenario considering different numbers of nurses and doctors for three shifts.
AtıfWoS36OpenAlex42İncele