Major Natural Disasters in China, 1985-2014: Occurrence and Damages

Impact of climate-induced floods and typhoons on geriatric disabling health among older Chinese and Filipinos: a cross-country systematic review

BACKGROUND

Apart from both China and the Philippines continuing to be exposed to and affected by different climate-induced hazards, in particular floods and typhoons, they are also reported to be witnessing rapid ageing populations of 60 years and older. As such, this systematic review synthesized the existing evidence about the impacts aggravated by floods and typhoons on the geriatric disabling health of older Chinese and Filipinos, respectively.

METHODS

Four (4) electronic databases were systematically searched to identify eligible studies published between 2000 and early 2023. This process had to confirm the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines (PRISMA), as well as the standard protocol registered with PROSPERO (CRD42023420549).

RESULTS

Out of 317 and 216 initial records retrieved for China and the Philippines, respectively, 27 (China) and 25 (Philippines) studies were eligible for final review. The disabling conditions they reported to affect the health of older adults were grouped into 4 categories: cognitive and intellectual, physical, chronic and terminal illnesses, and mental and psychological, with the latter identified as the most prevalent condition to affect older Chinese and Filipinos. On a sub-category level, posttraumatic stress disorder (PTSD) was the most common condition reported in 27 flood-related studies in China, while injuries and wounds prevailed in the Philippines, according to 25 typhoon-related studies.

CONCLUSION

The increasing occurrence of extreme climate hazards, especially floods and typhoons in China and the Philippines, respectively, impacted the health of their older adults with various disabling effects or conditions. Therefore, this calls for appropriate geriatric-informed interventions in the context of climate change and rapidly ageing settings beyond China and the Philippines to others that are also prone to floods and typhoons.

Construction of a 5G-based, three-dimensional, and efficiently connected emergency medical management system

Background

Shenzhen is unique in its need for ad hoc responses to emergencies. The need for emergency medicine also demonstrates a trend of sustained growth.

Objective

A three-dimensional and efficiently connected emergency medical management model using fifth generation mobile communication technology (5G) was established to improve the efficiency and level of management in emergency medicine.

Method

A mixed-frequency band private network collaborative emergency treatment mode was built under daily emergency scenarios using 5G. The efficiency of a three-dimensional telemedicine treatment mode was tested using prehospital emergency medicine. Also, the feasibility of quickly establishing a temporary network information system using unmanned aerial vehicle (UAV) and/or high-throughput communication satellites under disaster-caused power outages and network interruptions was examined. A monitoring system was constructed for suspected cases using 5G amid public health emergencies, which raised the Emergency Department's efficiency and security in responding to the pandemic.

Results

The three-dimensional rescue system supported by 5G showed that the radius of the emergency medical rescue services expanded from 5 to 60 km, and the cross-district emergency reaction time reduced from 1 h to <20 min. Thus, it was feasible to construct a communication network expeditiously with devices carried by UAV under disastrous scenarios. The system developed based on 5G could be used in managing suspected cases of public emergencies. Among the 134 suspected cases in the early stage of the pandemic, no nosocomial infection was detected.

Conclusion

A three-dimensional, efficiently connected emergency medical management system based on 5G was constructed, following which the emergency rescue radius quickly expanded and the emergency response time reduced. Thus, with the aid of new technology, an emergency information network system was built expeditiously under specific scenarios, such as a natural disaster, and the level of management under public health emergencies advances. The confidentiality of patient information is a critical issue regarding the application of new technology.

A 10-year Trend of Sleeping Patterns, Geographical, and Community Disparities Among Chinese Older Adults

This study examined the trend and geographical/community disparities of sleeping patterns among Chinese older adults. We included older adults from four waves of the Chinese Longitudinal Healthy Longevity Survey (CLHLS; n = 25,672; age ≥65). We used a multivariable logistic regression model to examine sleep quality (not good versus good), and a multinomial logistic regression model to assess daily sleep duration (7–8 hr, <7 hr, >8 hr). Older adults from the Central/South and the West regions were less likely to report good sleep quality (AOR [adjusted odds ratio] = .63, 95% CI: .55, .72 and AOR = .80, 95% CI: .70, .93, respectively) while the Northeastern residents reported better sleep quality (AOR = 1.51, 95% CI: 1.27, 1.79), compared with Northern residents. Older adults from Central/South and West were more likely to obtain less than 7 hr of sleep. Public health interventions are necessary to improve the sleep of Chinese older adults.

The Use of Virtual Reality to Improve Disaster Preparedness Among Nursing Students: A Randomized Study

BACKGROUND

Disaster response inevitably challenges the capacity and capability of nurses. Nursing students are an important reserve force in disaster response; hence, disaster preparedness is increasingly needed.

METHOD

A two-arm randomized controlled trial was adopted. Forty-nine nursing students were assigned into the virtual reality (VR) groups, and 52 were allocated into the control group. Data were collected at baseline and at the end of the study.

RESULTS

After adjustments for basic characteristics, the effects of VR groups on disaster preparedness (F(1,94) = 11.049, p = .001, ηp² = 0.105), confidence (F(1,94) = 6.992, p = .010, ηp² = 0.069) and performance (F(1,94) = 4.298, p = .041, ηp² = 0.044) were assured.

CONCLUSION

Integrating VR groups into the nursing curriculum on disaster response could enhance disaster preparedness, confidence, and performance among nursing students. VR groups represent a cost-effective modality of simulation in nursing education, which could bridge the gap between the lack of disaster training and the high demands for disaster preparedness. [J Nurs Educ. 2022;61(2):93-96.].

A Study on the Mechanism and Strategy of Cross-Regional Emergency Cooperation for Natural Disasters in China-Based on the Perspective of Evolutionary Game Theory

Natural disasters have obvious cross-regional and compound characteristics. Cross-regional emergency cooperation for natural disasters deepens the diversification of coordination relations and the complexity of interaction modes among emergency response organizations, including horizontal and vertical organizational interactions. In order to clarify the cooperation mechanism of emergency organizations during cross-regional emergency cooperation for natural disasters and to explore the key factors that affect the cooperative relationships of emergency organizations, in this study, a game model is constructed based on evolutionary game theory, which is composed of local, neighboring, and central governments. Then, the stability of the emergency game strategy is analyzed. On this basis, a numerical simulation is used to simulate the dynamic evolution trajectory of the game system. The results show that there is an embedded mutual promotion mechanism that evolves towards a positive emergency strategy combination among the game subjects. The selection strategies of the game subjects show the characteristics of consistency and the following: enhanced cooperation efficiency between local and neighboring governments, emergency capital stock, and shared resources, therefore, guiding social emergency forces to actively participate in emergency operations. Strengthening the emergency dispatching strength of the central government and the effectiveness of central-local emergency dispatching, can support the performance of cross-regional emergency cooperation for natural disasters. Furthermore, the efficiency of cooperation between local and neighboring governments will be enhanced.

Development of Disaster Nursing in China: From the Spirit of Nightingale to COVID-19

As an emerging discipline, disaster nursing is very important in disaster emergency management, but there are few mature practice models and theoretical discussions. In particular, the contribution of nursing staff in disaster emergency has not yet received widespread attention and recognition. After more than 10 y of rapid development, China's disaster nursing has gradually formed a Chinese model and Chinese experience. During the global fight against coronavirus disease 2019 (COVID-19), this article takes the nursing work in disaster emergency rescue as the perspective and briefly describes the development process of disaster nursing in China to introduce the practice and theoretical development of disaster nursing in China to nursing workers around the world. Analyzing the role of Chinese nurses in national disaster emergency response provides a reference for global disaster nursing talent capacity building. By sharing the Nightingale spirit of Chinese nurses in disaster emergency, we will show people all over the world the professional value of disaster nursing practitioners and pay tribute to the nursing staff engaged in disaster emergency work.

The impact of carbon emissions on country risk: Evidence from the G7 economies

This paper empirically investigates the effect of carbon emissions on sovereign risk? To answer this question, we use fixed effects model by using annual data from G7 advanced economies, which includes Canada, France, Germany, Italy, Japan, UK and USA, for the period from 1996 to 2014. We employ a novel extreme value theory to measure sovereign risk. The results indicate that climate change (carbon emissions) are likely to increase sovereign risk significantly. We also expand our analysis to some specific sectors, as some of the sectors emit more carbon than others. Specifically, we take top three polluting sectors namely: transportation, electricity and industry and show that they are more likely to increase the sovereign risk. Our results are robust to change in risk measures, estimation in differences and dynamic version of econometric models. Therefore, we have robust consideration that the carbon emissions significantly explain the sovereign risk.

A multi-hazards earth science perspective on the COVID-19 pandemic: the potential for concurrent and cascading crises

Meteorological and geophysical hazards will concur and interact with coronavirus disease (COVID-19) impacts in many regions on Earth. These interactions will challenge the resilience of societies and systems. A comparison of plausible COVID-19 epidemic trajectories with multi-hazard time-series curves enables delineation of multi-hazard scenarios for selected countries (United States, China, Australia, Bangladesh) and regions (Texas). In multi-hazard crises, governments and other responding agents may be required to make complex, highly compromised, hierarchical decisions aimed to balance COVID-19 risks and protocols with disaster response and recovery operations. Contemporary socioeconomic changes (e.g. reducing risk mitigation measures, lowering restrictions on human activity to stimulate economic recovery) may alter COVID-19 epidemiological dynamics and increase future risks relating to natural hazards and COVID-19 interactions. For example, the aggregation of evacuees into communal environments and increased demand on medical, economic, and infrastructural capacity associated with natural hazard impacts may increase COVID-19 exposure risks and vulnerabilities. COVID-19 epidemiologic conditions at the time of a natural hazard event might also influence the characteristics of emergency and humanitarian responses (e.g. evacuation and sheltering procedures, resource availability, implementation modalities, and assistance types). A simple epidemic phenomenological model with a concurrent disaster event predicts a greater infection rate following events during the pre-infection rate peak period compared with post-peak events, highlighting the need for enacting COVID-19 counter measures in advance of seasonal increases in natural hazards. Inclusion of natural hazard inputs into COVID-19 epidemiological models could enhance the evidence base for informing contemporary policy across diverse multi-hazard scenarios, defining and addressing gaps in disaster preparedness strategies and resourcing, and implementing a future-planning systems approach into contemporary COVID-19 mitigation strategies. Our recommendations may assist governments and their advisors to develop risk reduction strategies for natural and cascading hazards during the COVID-19 pandemic.

Health-Related Rehabilitation after the 2008 Great Wenchuan Earthquake in China: A Ten Year Retrospective Systematic Review

Being one of the world's seismically hazard-prone countries, the People's Republic of China (PRC) witnessed an 8.0-magnitude earthquake on May 12th 2008-which was reported as one of the most destructive disasters since its founding. Following this earthquake, rehabilitation was greatly required for survivors to enable them to achieve and maintain optimal independence; functioning; full physical, mental and social ability; inclusion; and participation in all aspects of life and environments. We conducted a systematic review based on Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines to retrospectively identify, in five English databases/sources, the existing evidence about the Health-Related Rehabilitation (HRR) that was rendered to the survivors of the 2008 Wenchuan earthquake between 2008 and 2018. Only 11 studies out of 828 initial studies retrieved were included in our study and reported the survivors of the 2008 Wenchuan earthquake to have been aged between 10.5 and 55.7, and predominantly diagnosed with posttraumatic stress disorders. Their HRR was mainly premised on physical and physiological therapies, as well as traditional Chinese medicine and digital technologies. Although all HRR interventions used were reported to be effective, none was identified as much more effective than the others in the post-earthquake era -which calls for more robust research to build upon our systematic review.

Accumulation of Urban Insect Pests in China: 50 Years’ Observations on Camphor Tree (Cinnamomum camphora)

Since China experienced a rapid and unprecedented process of urbanization and climate change from 1978 onwards, pest outbreaks were frequently reported on urban forests, which reflects a significant imbalance between natural regulation and human control. Based on information extracted from all journal articles and reports about insect pests on camphor tree (Cinnamomum camphora) in urban China, we characterized historical patterns and trends in pest outbreaks over large areas. Our results suggested that (1) most distribution areas of C. camphora in urban China had pest records (14 provinces) over the last 50 years, especially at the south-eastern coastal areas; (2) pests on camphor tree in urban China showed an accelerated growth since the 1990s; and (3) pests on camphor tree in urban China were characterized by native and leaf-feeding species. Urbanization seems to positively correlate with urban pest outbreaks. Changes of urban pest outbreaks could largely be described by synchronic changes of socio-economic indicators, of which CO2 emissions as metric tons per capita is the most significant predictor, followed by GDP and human population. Thus, managers and city planners should allocate resources to socio-economic-related pest outbreaks for a sustainable ecosystem.

Mass casualty incidents-are you ready? A major incident planning template for diagnostic radiology

Mass casualty incidents (MCIs) create a large number of casualties in a short period of time. Diagnostic radiology plays an important role in major incident responses but is often underrepresented during major incident planning (MIP) and simulation. Surveys suggest radiologists are unfamiliar with their role during an MCI. We aimed to identify key topics for radiology MIP, familiarize radiologists with their role during an MCI and identify areas for future research. The terms "radiology" and "mass casualty incident" were entered into the advanced search builder on PubMed. Abstracts from this primary search were reviewed and papers selected for inclusion. Additional studies of interest were identified upon review of reference sections of relevant articles and from the related article tab on PubMed. MCI and trauma guidelines were reviewed. Key factors that caused issues during prior MCIs were identified including staff alert mechanisms, patient identification strategies, patient tracking, scan ordering and result communication. Limitations of local imaging resources and capacity should be identified and inform plans for the utilization of diagnostic radiology in the MCI setting. Simulation can help identify areas for improvement and familiarize staff with their roles. Further development of reliable MCI alert technology and patient identification strategies are needed as well as prospective validation of trauma CT selection criteria to identify patients who will benefit most from CT. Radiology should take part in MIP to address key issues encountered during prior MCIs and in MCI simulation to optimize major incident response.

Current Crises and Potential Conflicts in Asia and the Pacific: Challenges Facing Global Health or Global Public Health by a Different Name

Since 1945, the reasons for major crises and how the world responds to them have changed every 10-15 years or sooner. Whereas these crises vary greatly across global regions, their economic, environmental, ecological, social, and disease aspects are increasingly under the influence of widely integrated global changes and forces arising primarily from: climate extremes; rapid unsustainable urbanization; critical biodiversity losses; and emergencies of scarcity in water, food, and energy. These slow-moving but increasingly severe crises affect larger populations across many borders and lead to the emergence of increasing population-based, preventable public health emergencies related to water, sanitation, food, shelter, energy, and related health illnesses, and ultimately global health security. This report explores the impact of these crises on Asia and the Pacific region, and their potential for regional conflict.

Climate variability, satellite-derived physical environmental data and human leptospirosis: A retrospective ecological study in China

BACKGROUND

In the past three decades, the incidence rate of notified leptospirosis cases in China have steeply declined and are now circumscribed to discrete areas in the country. Previous research showed that climate and environmental variation may play an important role in leptospirosis transmission. However, quantitative associations between climate, environmental factors and leptospirosis in the high-risk areas in China, is still poorly understood.

OBJECTIVE

To quantify the temporal effects of climate and remotely-sensed physical environmental factors on human leptospirosis in the high-risk counties in China.

METHODS

Time series seasonal decomposition was performed to explore the seasonality pattern of leptospirosis incidence in Mengla County, Yunnan and Yilong County, Sichuan for the period 2006-2016. Time series cross-correlation analysis was carried out to examine lagged effects of rainfall, relative humidity, normalized difference vegetation index (NDVI), modified normalized difference water index (MNDWI) and land surface temperature (LST) on leptospirosis. The associations of climatic and physical environment factors with leptospirosis in each county were assessed by using a generalized linear regression model with negative binomial link, adjusted by seasonal components.

RESULTS

Leptospirosis incidence in both counties showed strong and unique annual seasonality. Our results show that in Mengla County leptospirosis notifications exhibits a bi-modal temporal pattern while in Yilong County it follows a typical single epidemic curve. After adjusting for seasonality, the final best-fitting model for Mengla County indicated that leptospirosis notifications were significantly associated with present LST values (incidence rate ratio, IRR = 0.857, 95% confidence interval (CI):0.729-0.929) and rainfall at a lag of 6-months (IRR = 0.989; 95% CI: 0.985-0.993). The incidence of leptospirosis in Yilong was associated with rainfall at 1-month lag (IRR = 1.013, 95% CI: 1.003-1.023), LST (3-months lag) (IRR = 1.193, 95% CI: 1.095-1.301), and MNDWI (5-months lag) (IRR = 7.960, 95% CI: 1.241-47.66).

CONCLUSIONS

Our study identified lagged effects between leptospirosis incidence and climate and remotely-sensed environmental factors in the two most endemic counties in China. Rainfall in combination with satellite derived physical environment factors provided better insight of the local epidemiology as well as good predictors for leptospirosis outbreak in both counties. This would also be an avenue for the development of leptospirosis early warning systems to support leptospirosis control in China.

Economic development and environmental sustainability-the case of foreign direct investment effect on environmental pollution in China

This research reviews and analyses the environmental catastrophes in China with regard to its adherence of global environmental policies and practices. The research makes available evidence of the present policy regime and institutions, strategies for curbing emission, environmental legislations and regulations and measures to provide a sustainable environment for the present and future generations. This paper reviewed how the environment is affected by the emissions. The findings revealed that China adheres to global policies and practices. China also receives local and international support in terms of assistance in dealing with environmental challenges. It was also revealed that carbon dioxide was not included in the list of pollutants to be taxed by the environmental protection tax law. Furthermore, the government needs to be strict at the local and district levels in enforcing the law to ensure professionalism and attainment of set standards.

Decision Analysis of Disturbance Management in the Process of Medical Supplies Transportation after Natural Disasters

Public health emergencies, such as casualties and epidemic spread caused by natural disasters, have become important factors that seriously affect social development. Special medical supplies, such as blood and vaccines, are important public health medical resources, and the cold-chain distribution of medical supplies is in a highly unstable environment after a natural disaster that is easily affected by disturbance events. This paper innovatively studies the distribution optimization of medical supplies after natural disasters from the perspective of disturbance management. A disturbance management model for medical supplies distribution is established from two dimensions: time and cost. In addition, a hybrid genetic algorithm is introduced to solve the model. Disturbance recovery schemes with different weight coefficients are obtained through the actual numerical experiments, and experimental results show the effectiveness of the proposed model and algorithm. Finally, we discuss the formulation of weight coefficients in the case of emergency distribution and general distribution, which provide a reference for emergency decisions in disturbance events.

Urban Resources Selection and Allocation for Emergency Shelters: In a Multi-Hazard Environment

This study explores how emergency shelters can adapt to a multi-hazard environment by geographic information system (GIS) and takes Guangzhou as a case for analysis. The physical suitability of the overall urban resources was first assessed by aiming to select the suitable resources and safe locations for emergency shelters in the context of multiple disasters. Afterward, by analyzing the scale and spatial distribution of affected areas and populations under different types of disaster scenarios, the demand for different kinds of shelters were predicted. Lastly, taking into account the coverage of the affected people, shelters were allocated according to different conditions in the districts. This work will hopefully provide a reference for the construction of emergency shelters and help form emergency operations in order to mitigate the impact of hazards. The issues identified in the study need to be further studied in medium or small-scale cities.

Midwives' Professional Competencies for Preventing Maternal Mortality in Disasters: A Cross-Sectional Study in Iran

OBJECTIVE

Maternal mortality may increase after a disaster. Because midwives are at the frontline of offering reproductive health care services in disasters, they should be competent.

METHODS

This was a cross-sectional, descriptive study carried out in 2015 in Tehran. The sample consisted of 361 midwives selected by use of a cluster random sampling method. Data were collected by using a questionnaire on professional competency for preventing maternal mortality in disasters.

RESULTS

The midwives' mean professional competency score was 177.74±31, which was an average level of professional competency. The level of knowledge and skills of the midwives was reported as inadequate for most items, particularly for the items of "managing mothers affected by chronic diseases," "physical trauma," "recognizing patients who needed to be referred," and "stabilizing mothers when referring them." Statistically significant relationships were observed between the midwives' competencies and age (P=0.001), work experience (P=0.054), educational level (P= 0.043), previous experience in a disaster (P=0.014), and workplace (P=0.006). These data were drawn by using Spearman's correlation, t-test, and ANOVA, respectively.

CONCLUSIONS

Given the average scores for midwives' professional competency in disasters and the inadequacy of prior training courses, extra educational programs for midwives are recommended. (Disaster Med Public Health Preparedness. 2018; 12: 305-311).