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Showing 3 results for Alizadeh
The Effect of Applying Global Positioning System in Ambulances on Response Time of Tehran Emergency Medical Service
Vahid Delshad, Hashem Shemshadi, Mohammad Javad Moradian, Shokoufeh Ahmadi, Lila Malkyan, Samaneh Sabzalizadeh,
Volume 1, Issue 3 (Spring 2016 -- 2016)
Abstract

Background: Identification of the effective factors in reducing response time in prehospital emergency medical service (EMS) can assist in improving its services. This study aimed at reviewing the effect of applying global positioning system (GPS) on response time of Tehran EMS ambulances.
Materials and Methods: Of 132 Tehran EMS stations, 24 ones were randomly selected, and relevant data, including the response time of all missions in 2009 (without GPS) and in 2011 (with GPS) as well as number of daily calls to  each dispatch center were extracted. The average number of daily calls in the call centers were categorized into 3 groups as follows: I) ≤10 calls, II) 10 to 15 calls, and III) >15 calls. The statistical analysis of the obtained data was carried out by paired t test. 
Results: The findings revealed that the average response times in 2009 for the 3 groups (I, II, and III) were 10.11, 11.25, and 10.92 minutes, respectively. These times recorded for groups (I, II, and III) in 2011 were 9.86, 10.71, and 11.58 minutes, respectively, which were significantly less than the response times recorded in 2009 (P<0.001).
Conclusion: This research has demonstrated that the application of GPS in the ambulances may be essential in the reduction of response time, especially in emergency stations with more average mission numbers


Investigating the Effect of Organizational Silence and Voice on Employees’ Performance Based on the Mediating Role of Ethical Leadership: A Case Study of Tehran Metropolitan Fire Station
Mohammad Mehdi Parhizgar, Matineh Moghaddam, Tohid Alizadeh Hossein Hajlou, Reza Norouzi Ajirloo,
Volume 4, Issue 4 (Summer 2019)
Abstract
Background: The lack of expressing opinions of employees working in organizations can cause a phenomenon called organizational silence. Organizational silence has a damaging effect on employee’s productivity. The organizational sound and silence about organizational performance are currently one of the fundamental organizational challenges.
Materials and Methods: In this descriptive, correlational study, regression analysis was used to analyze the relationship between the studied factors. Using the Morgan table and stratified random sampling method, 317 subjects were selected and assessed by the structural equation modeling (SEM) with SmartPLS software.
Results: The results showed a significant relationship between organizational silence and performance with a path coefficient of 0.179 and a significant difference of 3.289. Also, there was a significant relationship between organizational voice and performance with a path coefficient of 0.393 and a significant level of 6.766. Besides, a significant relationship existed between organizational voice and ethical leadership with a path coefficient of 0.247 and a significance level of 3.883, and finally, between the focal variables (silence and organizational voice) and organizational performance with moral leadership with a path coefficient of 0.315 and a significance of 5,485. Accordingly, the results indicated the suitability of the model.
Conclusion: The results showed a significant relationship between organizational sound and silence and employee’s performance, considering the mediating role of moral leadership in the organization. It can be concluded that one of the essential tasks of firefighters and firefighting leaders and managers is to identify and break the climate of silence and motivate the employees to talk in their workplace for subsequently improving their performances.

Long-term Consequences of the Psychological Distress in Iranian Emergency Medical Personnel: A Qualitative Research
Hamidreza Khankeh, Azizeh Alizadeh, Mohsen Nouri, Reza Bidaki, Maryam Azizi,
Volume 8, Issue 1 (Autumn 2022)
Abstract
Background: Iran is exposed to several kinds of hazards throughout the country. Disasters cause mental health distress among survivors and disaster rescuers. Most psychological symptoms may decrease in time, but they could persist for months or even years in some individuals. Therefore, the present study aimed to explore the consequences of exposure to traumatic events with its components, which are derived from rescuers’ life experiences.
Materials and Methods: A qualitative study based on content analysis was conducted according to Landman and Graneheim approach. Through the purposive sampling method, 17 semi-structured interviews were applied until reaching data saturation. Interviews were transcribed verbatim. In the next steps, data condensing, labeling, coding, and defining categories were conducted.
Results: Based on the experience of the study participants, two main concepts with four categories and 12 subcategories were developed. Two main concepts included regression and resilience consequences.
Conclusion: Emergency departments should be aware of work-related mental health and behavioral problems and provide appropriate support programs to prevent ineffective consequences of incidence scene psychological distress and empower the rescuer’s resiliency.

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