BACKGROUND Children with critical acute abdominal conditions often undergo intestinal stoma surgery.AIM To explore the impact of a visual mobile terminal-based extended care model on caregiver competence for children ...BACKGROUND Children with critical acute abdominal conditions often undergo intestinal stoma surgery.AIM To explore the impact of a visual mobile terminal-based extended care model on caregiver competence for children with enterostomies.METHODS One hundred twenty children with enterostomies and their caregivers in a children's hospital in Beijing were divided into a control group and a study group.The control group(60 cases)received traditional telephone follow-up for continuity of care,while the study group(60 cases)used a visualization mobile terminal-based care model.The incidence of stoma-related complications,caregiver burden scale,and competence scores of children with stoma were compared between the two groups.RESULTS The primary caregiver burden score in the study group(37.22±3.17)was significantly lower than that in the control group(80.00±4.47),and the difference was statistically significant(P<0.05).Additionally,the caregiving ability score of the study group(172.08±3.49)was significantly higher than that of the control group(117.55±4.28;P<0.05).The total incidence of complications in the study group(11.7%,7/60)was significantly lower compared to the control group(33.3%,20/60;χ2=8.086,P=0.004).CONCLUSION The visual mobile terminal-based care model reduces caregiver burden,improves home care ability,lowers the incidence of complications and readmission rates,and supports successful second-stage reduction surgery for children with enterostomies.展开更多
Mixed reality offers a larger visualization space and more intuitive means of interaction for data exploration,and many works have been dedicated to combining 2D visualizations on screen with mixe reality.However,for ...Mixed reality offers a larger visualization space and more intuitive means of interaction for data exploration,and many works have been dedicated to combining 2D visualizations on screen with mixe reality.However,for each combination,we need to customize the implementation of the corresponding mixed reality 3D visualization.It is a challenge to simplify this development process and enable agile building of mixed reality 3D visualizations for 2D visualizations.In addition,many existing 2D visualizations do not provide interfaces oriented to immersive analytics,so how to extend the mixed reality 3D space from existing 2D visualizations is another challenge.This work presents an agile and flexible approach to interactively transfer visualizations from 2D screens to mixed reality 3D spaces.We designed an interactive process for spatial generation of mixed-reality 3D visualizations,defined a unified data transfer framework,integrated data deconstruction techniques for 2D visualizations,implemented interfaces to immersive visualization building tool-kits,and encapsulated these techniques into a tool named X-Space.We validated that the approach is feasible and effective through 2D visualization cases including scatter plots,stacked bar charts,and adjacency matrix.Finally,we conducted expert interviews to discuss the usability and value of the method.展开更多
The exponential stabilization problem of a robot-camera system with unknown camera parameters is investigated. Based on the visual feedback and the state-input transformation, an uncertain chained form model is presen...The exponential stabilization problem of a robot-camera system with unknown camera parameters is investigated. Based on the visual feedback and the state-input transformation, an uncertain chained form model is presented for a type of nonholonomic mobile robots. Then, a new time-varying feedback controller is proposed to stabilize the uncertain system exponentially with the help of the stabilization theorems, state-scaling and switching techniques. The exponential stability of the closed-loop system is rigorously proved. Simulation results are given to demonstrate the effectiveness of the proposed strategies.展开更多
基金Supported by Project of the Health Bureau of the Logistics and Security Department of the Central Military Commission,No.145BHQ090003076XMilitary Family Planning Special Fund,No.21JSZ18.
文摘BACKGROUND Children with critical acute abdominal conditions often undergo intestinal stoma surgery.AIM To explore the impact of a visual mobile terminal-based extended care model on caregiver competence for children with enterostomies.METHODS One hundred twenty children with enterostomies and their caregivers in a children's hospital in Beijing were divided into a control group and a study group.The control group(60 cases)received traditional telephone follow-up for continuity of care,while the study group(60 cases)used a visualization mobile terminal-based care model.The incidence of stoma-related complications,caregiver burden scale,and competence scores of children with stoma were compared between the two groups.RESULTS The primary caregiver burden score in the study group(37.22±3.17)was significantly lower than that in the control group(80.00±4.47),and the difference was statistically significant(P<0.05).Additionally,the caregiving ability score of the study group(172.08±3.49)was significantly higher than that of the control group(117.55±4.28;P<0.05).The total incidence of complications in the study group(11.7%,7/60)was significantly lower compared to the control group(33.3%,20/60;χ2=8.086,P=0.004).CONCLUSION The visual mobile terminal-based care model reduces caregiver burden,improves home care ability,lowers the incidence of complications and readmission rates,and supports successful second-stage reduction surgery for children with enterostomies.
基金supported by the National Natural Science Foundation of China(61702042).
文摘Mixed reality offers a larger visualization space and more intuitive means of interaction for data exploration,and many works have been dedicated to combining 2D visualizations on screen with mixe reality.However,for each combination,we need to customize the implementation of the corresponding mixed reality 3D visualization.It is a challenge to simplify this development process and enable agile building of mixed reality 3D visualizations for 2D visualizations.In addition,many existing 2D visualizations do not provide interfaces oriented to immersive analytics,so how to extend the mixed reality 3D space from existing 2D visualizations is another challenge.This work presents an agile and flexible approach to interactively transfer visualizations from 2D screens to mixed reality 3D spaces.We designed an interactive process for spatial generation of mixed-reality 3D visualizations,defined a unified data transfer framework,integrated data deconstruction techniques for 2D visualizations,implemented interfaces to immersive visualization building tool-kits,and encapsulated these techniques into a tool named X-Space.We validated that the approach is feasible and effective through 2D visualization cases including scatter plots,stacked bar charts,and adjacency matrix.Finally,we conducted expert interviews to discuss the usability and value of the method.
基金Supported by the the National Natural Science Foundation of China(Nos.61374040,61304004 and 61473179)Natural Science Foundation of Shandong Province(Nos.ZR2013FM012,ZR2014FM007)
文摘The exponential stabilization problem of a robot-camera system with unknown camera parameters is investigated. Based on the visual feedback and the state-input transformation, an uncertain chained form model is presented for a type of nonholonomic mobile robots. Then, a new time-varying feedback controller is proposed to stabilize the uncertain system exponentially with the help of the stabilization theorems, state-scaling and switching techniques. The exponential stability of the closed-loop system is rigorously proved. Simulation results are given to demonstrate the effectiveness of the proposed strategies.
