PurposeThe objective of this study was to develop a new nomogram that can predict 28-day mortality in severe sepsis and/or septic shock patients using a combination of several biomarkers that are inexpensive and readily available in most emergency departments, with and without scoring systems.Materials and MethodsWe enrolled 561 patients who were admitted to an emergency department (ED) and received early goal-directed therapy for severe sepsis or septic shock. We collected demographic data, initial vital signs, and laboratory data sampled at the time of ED admission. Patients were randomly assigned to a training set or validation set. For the training set, we generated models using independent variables associated with 28-day mortality by multivariate analysis, and developed a new nomogram for the prediction of 28-day mortality. Thereafter, the diagnostic accuracy of the nomogram was tested using the validation set.ResultsThe prediction model that included albumin, base excess, and respiratory rate demonstrated the largest area under the receiver operating characteristic curve (AUC) value of 0.8173 [95% confidence interval (CI), 0.7605–0.8741]. The logistic analysis revealed that a conventional scoring system was not associated with 28-day mortality. In the validation set, the discrimination of a newly developed nomogram was also good, with an AUC value of 0.7537 (95% CI, 0.6563–0.8512).ConclusionOur new nomogram is valuable in predicting the 28-day mortality of patients with severe sepsis and/or septic shock in the emergency department. Moreover, our readily available nomogram is superior to conventional scoring systems in predicting mortality.
Objective To investigate and document the disaster medical response during the Gyeongju Mauna Ocean Resort gymnasium collapse on February 17, 2014.Methods Official records of each institution were verified to select the study population. All the medical records and emergency medical service run sheets were reviewed by an emergency physician. Personal or telephonic interviews were conducted, without a separate questionnaire, if the institutions or agencies crucial to disaster response did not have official records or if information from different institutions was inconsistent.Results One hundred fifty-five accident victims treated at 12 hospitals, mostly for minor wounds, were included in this study. The collapse killed 10 people. Although the news of collapse was disseminated in 4 minutes, dispatch of 4 disaster medical assistance teams took at least 69 minutes to take the decision of dispatch. Four point five percent were treated at the accident site, 56.7% were transferred to 2 hospitals that were nearest to the collapse site, and 42.6% were transferred to hospitals that were poorly prepared to handle disaster victims.
ConclusionIn the Gyeongju Mauna Ocean Resort gymnasium collapse, the initial triage and distribution of patients was inefficient and medical assistance arrived late. These problems had also been noted in prior mass casualty incidents.
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A mobile telemedicine system, capable of transmitting video and audio simultaneously, was designed for consulting acute stroke patients remotely. It could use a wireless local area network (e.g. inside the hospital) or a mobile phone network (e.g. outside the hospital). When initiating a call, the sending unit chose a suitable encoding profile based on the measured data throughput, in order to allocate appropriate bit rates for video and audio transmission. The system was tested using a portable digital assistant (PDA) type phone and smart phone as receiving units. Video and audio recordings were made from five patients (two normal and three stroke patients) and then transmitted at different rates. Subjectively, both video and audio qualities improved as the data throughput increased. The physical findings, including facial droop, arm drift and abnormal speech, were observed remotely by four specialists according to the Cincinnati Pre-hospital Stroke Scale guideline. A comparison between the face-to-face method and the mobile telemedicine method showed that there were no discrepancies at bit rates of more than 400 kbit/s. We conclude that specialists could generally conduct remote consultations for stroke patients either using a public mobile network or a wireless LAN.
We developed a telemedicine system for remote guidance of emergency airway management called the Tele-Airway Management System (TAMS). In a pilot study we examined the usefulness of the TAMS for intubations of actual patients in a hospital emergency department. Twenty-five patients were allocated randomly either to a TAMS group or to an on-scene directed (OSD) group. A total of 12 were intubated using the TAMS. The mean time to intubation (TAMS 62 s vs. OSD 56 s) and the success rate was not different between the two groups (P > 0.05). There were two oesophageal intubations in the TAMS group and four in the OSD group, but this was not significantly different (P = 0.36). There were no mechanical or technical errors such as disconnection during use of the TAMS. The pilot study demonstrated the feasibility of the TAMS as an alternative to OSD. However, a larger study will be required to determine non-superiority or equivalence.
We developed a Tele-Airway Management System (TAMS) which contained two high quality videocameras which were set up to view the frontal and lateral parts of the patient. Another endoscopic camera, a videolaryngoscope, was used to view the anatomy of the airway. One patient monitor was used to view the vital signs and there was also a PC terminal. A study was conducted in two separate emergency departments with 33 novice intubators (medical students and interns of the department). Remote consultation was provided by a board certified emergency physician. The time taken to complete endotracheal intubation for the TAMS group was 82.1 s (SE 4.9) and was 103.8 s (SE 7.9) in the videolaryngoscope-only group. The difference was significant (P ¼ 0.03). The success rate of endotracheal intubation within 2 min was 94% for the TAMS group and 63% in the videolaryngoscope-only group (P ¼ 0.04). With a wireless communication system, the TAMS could be installed in an ambulance, which might allow paramedics to perform safe and effective airway management in the field.
Although there are still limitations that need to be remedied, the changes to the current emergency medical assistance system are expected to improve the system's response capacity. (Disaster Med Public Health Preparedness. 2017;11:526-530).
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