BACKGROUND Hypotension is a frequent complication in the intensive care unit(ICU)after adult cardiac surgery.AIM To describe frequency of hypotension in the ICU following adult cardiac surgery and its relation to the ...BACKGROUND Hypotension is a frequent complication in the intensive care unit(ICU)after adult cardiac surgery.AIM To describe frequency of hypotension in the ICU following adult cardiac surgery and its relation to the hospital outcomes.METHODS A retrospective study of post-cardiac adult surgical patients at a tertiary academic medical center in a two-year period.We abstracted baseline demographics,comorbidities,and all pertinent clinical variables.The primary predictor variable was the development of hypotension within the first 30 min upon arrival to the ICU from the operating room(OR).The primary outcome was hospital mortality,and other outcomes included duration of mechanical ventilation(MV)in hours,and ICU and hospital length of stay in days.RESULTS Of 417 patients,more than half(54%)experienced hypotension within 30 min upon arrival to the ICU.Presence of OR hypotension immediately prior to ICU transfer was significantly associated with ICU hypotension(odds ratio=1.9;95%confidence interval:1.21-2.98;P<0.006).ICU hypotensive patients had longer MV,5(interquartile ranges 3,15)vs 4 h(interquartile ranges 3,6),P=0.012.The patients who received vasopressor boluses(n=212)were more likely to experience ICU drop-off hypotension(odds ratio=1.45,95%confidence interval:0.98-2.13;P=0.062),and they experienced longer MV,ICU and hospital length of stay(P<0.001,for all).CONCLUSION Hypotension upon anesthesia-to-ICU drop-off is more frequent than previously reported and may be associated with adverse clinical outcomes.展开更多
Although the pick-up/drop-off(PUDO)strategy in carpooling offers the convenience of short-distance walking for passengers during boarding and disembarking,there is a noticeable hesitancy among commuters to adopt this ...Although the pick-up/drop-off(PUDO)strategy in carpooling offers the convenience of short-distance walking for passengers during boarding and disembarking,there is a noticeable hesitancy among commuters to adopt this travel method,despite its numerous benefits.Here,this paper establishes a tripartite evolutionary game theory(EGT)model to verify the evolutionary stability of choosing the PUDO strategy of drivers and passengers and offering subsidies strategy of carpooling platforms in carpooling system.The model presented in this paper serves as a valuable tool for assessing the dissemination and implementation of PUDO strategy and offering subsidies strategy in carpooling applications.Subsequently,an empirical analysis is conducted to examine and compare the sensitivity of the parameters across various scenarios.The findings suggest that:firstly,providing subsidies to passengers and drivers,along with deductions for drivers through carpooling platforms,is an effective way to promote wider adoption of the PUDO strategy.Then,the decision-making process is divided into three stages:initial stage,middle stage,and mature stage.PUDO strategy progresses from initial rejection to widespread acceptance among drivers in the middle stage and,in the mature stage,both passengers and drivers tend to adopt it under carpooling platform subsidies;the factors influencing the costs of waiting and walking times,as well as the subsidies granted to passengers,are essential determinants that require careful consideration by passengers,drivers,and carpooling platforms when choosing the PUDO strategy.Our work provides valuable insight into the PUDO strategy’s applicability and the declared results provide implications for traffic managers and carpooling platforms to offer a suitable incentive.展开更多
针对出租车随意停靠造成城市交通拥堵甚至交通事故的问题,利用成都实际区域的出租车GPS(Global Position System)数据和爬取的POI(Point of Interest)数据,使用DBSCAN(Density-Based Spatial Clustering of Application with Noise)聚...针对出租车随意停靠造成城市交通拥堵甚至交通事故的问题,利用成都实际区域的出租车GPS(Global Position System)数据和爬取的POI(Point of Interest)数据,使用DBSCAN(Density-Based Spatial Clustering of Application with Noise)聚类算法对上下客点进行聚类,得到出租车的载客热点,根据POI的类型划定载客热点区域的类型,对出租车不同时间的出行需求进行分析,进而划分出出租车的固定停车区域。研究结果表明,出租车固定停车区域的设定与出行者的出行需求有关,即将固定停车区域设置在出行者出行需求多的区域,可以满足出行者的不同出行需求。结合出租车载客热点和爬取POI数据划定固定停车区域的方法具有较高的实用性,可为城市交通安全方面提供理论和现实意义。展开更多
There is a need to reduce the burden of child drop-off and pick-up for child-rearing generations, but most studies on the actual situation in Japan are based on survey results. In this study, we analyzed differences i...There is a need to reduce the burden of child drop-off and pick-up for child-rearing generations, but most studies on the actual situation in Japan are based on survey results. In this study, we analyzed differences in child drop-off and pick-up by employment type and gender, utilizing the “Metropolitan Area Person Trip Survey,” which is a statistical data set. The study targeted households in which both spouses were between 30 and 49 years old, had children under the age of 6, and included the following three groups. 1) Dual-income Group 1 (both spouses employed/on contract/temporary);2) Dual-income Group 2 (husband employed/on contract/temporary, wife part-time);3) Full-time housewife group (husband employed, wife unemployed). The analysis revealed that a) wives are almost always responsible for dropping off and picking up their children;b) husbands drop off and pick up their children less frequently in dual-income households;and c) households with children raising within 10 to 30 km of Tokyo Station have longer commuting times and need to reduce the burden of dropping off and picking up their children.展开更多
文摘BACKGROUND Hypotension is a frequent complication in the intensive care unit(ICU)after adult cardiac surgery.AIM To describe frequency of hypotension in the ICU following adult cardiac surgery and its relation to the hospital outcomes.METHODS A retrospective study of post-cardiac adult surgical patients at a tertiary academic medical center in a two-year period.We abstracted baseline demographics,comorbidities,and all pertinent clinical variables.The primary predictor variable was the development of hypotension within the first 30 min upon arrival to the ICU from the operating room(OR).The primary outcome was hospital mortality,and other outcomes included duration of mechanical ventilation(MV)in hours,and ICU and hospital length of stay in days.RESULTS Of 417 patients,more than half(54%)experienced hypotension within 30 min upon arrival to the ICU.Presence of OR hypotension immediately prior to ICU transfer was significantly associated with ICU hypotension(odds ratio=1.9;95%confidence interval:1.21-2.98;P<0.006).ICU hypotensive patients had longer MV,5(interquartile ranges 3,15)vs 4 h(interquartile ranges 3,6),P=0.012.The patients who received vasopressor boluses(n=212)were more likely to experience ICU drop-off hypotension(odds ratio=1.45,95%confidence interval:0.98-2.13;P=0.062),and they experienced longer MV,ICU and hospital length of stay(P<0.001,for all).CONCLUSION Hypotension upon anesthesia-to-ICU drop-off is more frequent than previously reported and may be associated with adverse clinical outcomes.
基金the National Natural Science Foundation of China under Grant Nos.72171172 and 62088101the Shanghai Municipal Science and Technology,China Major Project under Grant No.2021SHZDZX0100the Shanghai Municipal Commission of Science and Technology,China Project under Grant No.19511132101.
文摘Although the pick-up/drop-off(PUDO)strategy in carpooling offers the convenience of short-distance walking for passengers during boarding and disembarking,there is a noticeable hesitancy among commuters to adopt this travel method,despite its numerous benefits.Here,this paper establishes a tripartite evolutionary game theory(EGT)model to verify the evolutionary stability of choosing the PUDO strategy of drivers and passengers and offering subsidies strategy of carpooling platforms in carpooling system.The model presented in this paper serves as a valuable tool for assessing the dissemination and implementation of PUDO strategy and offering subsidies strategy in carpooling applications.Subsequently,an empirical analysis is conducted to examine and compare the sensitivity of the parameters across various scenarios.The findings suggest that:firstly,providing subsidies to passengers and drivers,along with deductions for drivers through carpooling platforms,is an effective way to promote wider adoption of the PUDO strategy.Then,the decision-making process is divided into three stages:initial stage,middle stage,and mature stage.PUDO strategy progresses from initial rejection to widespread acceptance among drivers in the middle stage and,in the mature stage,both passengers and drivers tend to adopt it under carpooling platform subsidies;the factors influencing the costs of waiting and walking times,as well as the subsidies granted to passengers,are essential determinants that require careful consideration by passengers,drivers,and carpooling platforms when choosing the PUDO strategy.Our work provides valuable insight into the PUDO strategy’s applicability and the declared results provide implications for traffic managers and carpooling platforms to offer a suitable incentive.
文摘针对出租车随意停靠造成城市交通拥堵甚至交通事故的问题,利用成都实际区域的出租车GPS(Global Position System)数据和爬取的POI(Point of Interest)数据,使用DBSCAN(Density-Based Spatial Clustering of Application with Noise)聚类算法对上下客点进行聚类,得到出租车的载客热点,根据POI的类型划定载客热点区域的类型,对出租车不同时间的出行需求进行分析,进而划分出出租车的固定停车区域。研究结果表明,出租车固定停车区域的设定与出行者的出行需求有关,即将固定停车区域设置在出行者出行需求多的区域,可以满足出行者的不同出行需求。结合出租车载客热点和爬取POI数据划定固定停车区域的方法具有较高的实用性,可为城市交通安全方面提供理论和现实意义。
文摘There is a need to reduce the burden of child drop-off and pick-up for child-rearing generations, but most studies on the actual situation in Japan are based on survey results. In this study, we analyzed differences in child drop-off and pick-up by employment type and gender, utilizing the “Metropolitan Area Person Trip Survey,” which is a statistical data set. The study targeted households in which both spouses were between 30 and 49 years old, had children under the age of 6, and included the following three groups. 1) Dual-income Group 1 (both spouses employed/on contract/temporary);2) Dual-income Group 2 (husband employed/on contract/temporary, wife part-time);3) Full-time housewife group (husband employed, wife unemployed). The analysis revealed that a) wives are almost always responsible for dropping off and picking up their children;b) husbands drop off and pick up their children less frequently in dual-income households;and c) households with children raising within 10 to 30 km of Tokyo Station have longer commuting times and need to reduce the burden of dropping off and picking up their children.
