PubMed · 13904814
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R W HARRINGTON. 1962. Patient data: a computer-based system.. https://pubmed.ncbi.nlm.nih.gov/13904814/
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BACKGROUND: Capacity constraints necessitate improving hospital efficiency. An integrated real time system facilitating patient flow between the post-anesthesia care unit (PACU) and surgical ward would ease PACU workload by reducing the effort of discharging patients. METHODS: We developed INCOMING!, a web-based platform that monitors patient progress from the operating room to the PACU. INCOMING! integrates available data, automatically determining when a patient enters the PACU. An automated paging system alerts clinical unit managers to 'pull' their patients from the PACU after a set recovery period. General surgery patients were included in the INCOMING! system in late 2004 with paging added in mid-March 2005. Mean PACU length of stay was calculated for the intervention group (general surgery patients with INCOMING!) and compared to a control group (general surgery patients without INCOMING!) and an orthopedic surgery group before and after paging. RESULTS: The system successfully gathers data and generates automated pages when events occur. After paging, there was a significant difference between the orthopedic surgery control group and the general surgery intervention group (235 min versus 185 min, P = 0.001). The mean PACU LOS decreased in the INCOMING! intervention group by 26 min while the mean LOS increased by 28 min in the general surgery control group (P = 0.27). CONCLUSION: Pilot implementation demonstrates that INCOMING! performs the desired integration and automatic notification. Given the minimal cost and potential large gains from a wider deployment, we plan to implement the system for all PACU patients and all post-PACU care units.
An elliptical microelectromechanical system (MEMS) membrane mirror is electrostatically actuated to dynamically adjust the optical beam focus and track the axial scanning of the coherence gate in a Doppler optical coherence tomography (DOCT) system at 8 kHz. The MEMS mirror is designed to maintain a constant numerical aperture of approximately 0.13 and a spot size of approximately 6.7 microm over an imaging depth of 1mm in water, which improves imaging performance in resolving microspheres in gel samples and Doppler shift estimation precision in a flow phantom. The mirror's small size (1.4 mm x 1 mm) will allow integration with endoscopic MEMS-DOCT for in vivo applications.
A novel real-time dosimetry technique based on radiation-induced surface activation (RISA) phenomenon has been proposed that is similar to ultraviolet surface activation known typically in anatase-type titanium dioxide. It has been found that the RISA phenomenon occurs on the surface of an oxidised semiconductor or oxidised metal film by radiation incidence. The RISA dosemeter has the following advantageous characteristics: (1) output of the RISA dosemeter is proportional to the dose equivalent rate in harsh environments, (2) fluctuation of output of the RISA dosemeter irradiated by (60)Co gamma-rays is <2.5% beyond the total dose equivalent of 1.8 MSv, (3) the transient current observed in simple insulators for a few seconds or more after onset of irradiation was not detected in the RISA dosemeter and (4) this dosemeter worked well even at high temperatures.