Bluetooth Low Energy (BLE) is an exciting technology for health care applications. The big advantage over previous wireless technologies are its explicit low power design that allows deployment of such devices over many months or even years without the need to change batteries. This is especially critical in home health monitoring where compliance can often not be assumed. Here we describe the design of two Bluetooth Low Energy devices based on the BLE112 module from BlueGiga. Wireless, health technology, Bluetooth Low Energy, Proximity (key words)
Background: Few studies have rigorously assessed the impact of red blood cell (RBC) transfusion on oxygen delivery. Several large trials demonstrated no clinical outcome differences between transfusion of shorter-storage vs prolonged-storage RBCs. These trials did not directly assess functional measures of oxygen delivery. Therefore, it is not clear if 42-day stored RBCs deliver oxygen as effectively as 7-day stored RBCs. Study Design and Methods: Leukocyte-reduced RBCs were collected by apheresis in AS-3. Thirty subjects were randomized (1:1:1) to receive 2 units of autologous RBCs at either 7, 28, or 42 days following donation. VO 2 max testing, using a standardized protocol to exhaustion, was performed 2 days before (Monday) and 2 days after (Friday) the transfusion visit (Wednesday). The primary endpoint was the percent increase in VO 2 max between Monday and Friday. The secondary endpoint was the percent change in duration of exercise for the same time points. Results: Hemoglobin levels decreased by 2.8 ± 1.4 g/dL after donation and increased by 2.1 ± 0.6 g/dL after transfusion. This change in hemoglobin was associated with expected decreases (then increases after transfusion) in VO 2 max and exercise duration. No differences were observed between 7-day and 42-day RBC transfusion for percent increase in median [IQR] VO 2 max (10.5
Objectives. Distracted driving is a major public health issue in the United States. In response to requests from high school students participating in a university-based initiative, the authors describe the collaborative development and implementation of a curriculum designed to address distracted driving behaviors among students in four high-needs school districts in the northeastern United States. Method. The curriculum integrates current statistics on distracted and drowsy driving and three interactive learning stations: driving while distracted, walking while distracted, and driving while drowsy. Pre- and postsurveys were conducted to collect student driving data, assess student satisfaction with the program, and assess their likelihood of speaking up as a passenger in a high-risk situation. Results. The majority of students reported that they learned new information and would recommend the program to others. A Wilcoxon signed-rank test showed that students were more likely to speak up as a passenger with a distracted or drowsy driver (p < .001) after the program. Conclusion. This experience demonstrates a voluntary, multidisciplinary, university-based collaboration in the development of a novel public health education initiative. Based on the success of this phase, school districts elected to participate in Train the Trainer sessions to continue the program within their local high-needs school district.
Introduction An important risk factor for drowsy driving is shift work, and law enforcement, an occupation known for its atypical work schedules, is a highly vulnerable occupation. A connection between fatigue and unintentional injuries among police officers has been observed (Vila, 2006), but data supporting the connection is limited. Understanding how sleep and lifestyle practices impact this population’s driving performance and job safety is critical to officer safety. Methods An online survey was disseminated to New York State law enforcement agencies by the Governor’s Traffic Safety Committee to assess sleep health and lifestyle practices among law enforcement personnel. Statistical analysis included data cleaning, basic and advanced statistical testing. Results 7,366 survey invitations were distributed, 1,171 were returned (15.9% response rate), and after data cleaning, 1,038 surveys were included in the analysis. Respondents reported from various state, county, and local agencies, holding titles from Police Officer to Senior Management. More than 30% of officers reported driving 5 hours or more during their shift, with 12% driving greater than 7 hours. 65% of respondents reported having experienced drowsy driving. Although, 34% reported never having received education about drowsy driving. On work days, only 40% of respondents obtain 7 hours of sleep or more. On days off, 23.6% reported sleeping 6 hours or less. Work, stress, and family responsibilities were reported as having a significant impact on sleep. Almost 87% reported at least one medical issue. Daytime sleepiness (47.4%), fatigue (42.6%), and poor memory (26.8%) were reported daily. Only 23.8% and 29.3% of respondents received education on sleep or heart health, respectively. The majority (81.7%) reported they would consider education in a variety of health-related programs. Conclusion Our findings indicate that poor sleep (60%), high stress (22.7%), and anxiety (16.8%) are a concern amongst officers. Poor cardiovascular health was also noted, based on reports of obesity (34.1%), high blood pressure (23.5%), and high cholesterol (22.4%). This research supports the need for prioritizing health education programs within law enforcement agencies. Support (if any) Funded by The National Highway Traffic Safety Administration with a grant from The New York State Governor’s Traffic Safety Committee.
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