Background Midwives' stress can have negative consequences on their emotional state, burnout, and poor quality of midwifery care. This study aimed to determine the effectiveness of an adapted mindfulness-based stress management program on perceived stress and the emotional regulation of midwives. Methods The study was a parallel randomized clinical trial on the midwives working in general hospitals of Zanjan, Iran. In this study, 121 midwives registered to participate based on the census sampling method were screened using a cut point of ≥ 28 in the Perceived Stress Scale (PSS). From the initial sample, 42 subjects had inclusion criteria assigned to two groups of control (n = 21) and intervention (n = 21) using online random allocation. The intervention group received an 8-week adapted mindfulness-based stress management program. This program emanates from the Kabat-Zinn's MBSR program, which has been adjusted according to the Iranian culture. The ANCOVA and repeated measure analysis of variance test were used to compare groups over time. Results The results showed that the group intervention effectively affected perceived stress (P = 0.001) and difficulty in emotion regulation during the post-intervention period (P = 0.001). Moreover, the interventions were effective in emotion regulation (P = 0.003), but it was not effective on perceived stress (P = 0.125) at the 3-month follow-up. Conclusions This adapted mindfulness-based program successfully reduced stress and increased emotion regulation strategies in midwives; however, the long-term outcomes of this treatment program need further consideration.
Objective Operating room nurses, as essential members of health care teams, often face ethical challenges in the operating room. By using the ethical experiences of operating room nurses, a better understanding of ethics in the operating room can be achieved, which can lead to better nursing decisions in the face of these challenges. Therefore, this study was conducted to investigate operating room nurses’ lived experiences of ethical codes. Methods A hermeneutic phenomenological study was performed in Hamadan (Iran) from February 2019 to November 2020. Ten operating room nurses were selected as participants by purposive sampling. Data were collected through in-depth and semi-structured interviews. Data analysis was performed based on Van Manen methodology. Results Data analysis revealed three main themes and 11 sub-themes representing the operating room nurses experience of the ethical code. The main themes were; adherence to professional commitments, preserving patient dignity, and respect to colleagues. Conclusion The results underlined ethics and ethical values in the operating room. Due to the intense interactions between operating room nurses with the patient and surgical team, commitment to ethics by nurses can lead to improving quality of care and interactions among members of the surgical team. It is suggested that using these codes as a guideline and a framework could be developed to improve the ethical and professional performance of operating room nurses.
Virtual channels are employed to improve the throughput under high traffic loads in Networks-on-Chips (NoCs). However, they can impose non-negligible overheads on performance by prolonging clock cycle time, especially under low traffic loads where the impact of virtual channels on performance is trivial. In this article, we propose a novel architecture, called BARAN , that can either improve on-chip network performance or reduce its power consumption (depending on the specific implementation chosen), not both at the same time, when virtual channels are underutilized; that is, the average number of virtual channel allocation requests per cycle is lower than the number of total virtual channels. We also introduce a reconfigurable arbitration logic within the BARAN architecture that can be configured to have multiple latencies and, hence, multiple slack times. The increased slack times are then used to reduce the supply voltage of the routers or increase their clock frequency in order to reduce power consumption or improve the performance of the whole NoC system. The power-centric design of BARAN reduces NoC power consumption by 43.4% and 40.6% under CMP and GPU workloads, on average, respectively, compared to a baseline architecture while imposing negligible area and performance overheads. The performance-centric design of BARAN reduces the average packet latency by 45.4% and 42.1%, on average, under CMP and GPU workloads, respectively, compared to the baseline architecture while increasing power consumption by 39.7% and 43.7%, on average. Moreover, the performance-centric BARAN postpones the network saturation rate by 11.5% under uniform random traffic compared to the baseline architecture.
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