Objective To evaluate the effect of vitamin A (Vit A) supplementation on the morbidity and mortality in children with infectious diseases. Methods We searched Cochrane Library (Issue 1, 2004), MEDLINE (1966-2004.3) and The PedsCCM Evidence-Based Journal Club (1992-2002). Relevant systematic reviews and randomized controlled trials (RCTs) of Vit A supplementation on morbidity and mortality in children with infectious diseases were obtained. Results We collected 107 studies and identified 13 systematic reviews or RCTs. The evidence showed that the effect of Vit A supplementation on morbidity and mortality was affected by the nutritional status of the children. Vit A supplementation given to Vit A deficient children could reduce the morbidity of diarrhea and mortality of measles. However, Vit A supplementation would increase the morbidity of diarrhoea and respiratory infections in children with sufficient nutrition. Conclusions The nutritional status of children correlates with morbidity and mortality of some infectious diseases, and the nutritional status and serum Vit A level should be evaluated before Vit A supplementation applied.
ObjectiveTo provide scientific evidence for the prevention and control of infectious diseases in hospitals through analyzing the data of notified infectious diseases collected in one general comprehensive hospital from 2009 to 2014. MethodsDescriptive method was used to analyze the data of infectious diseases reported through the reporting system in 6 years in the hospital, and then the incidence, diseases classification and transmission route were summarized. ResultsA total of 15 847 cases, covering 32 notified infectious diseases, were reported between 2009 and 2014, including 15 144 category-B (95.56%) and 703 category-C (4.44%) infectious disease cases, among which the top four were syphilis, hepatitis B, tuberculosis and acquired immune deficiency syndrome (AIDS), with AIDS showing upward trend year by year. There were also 38 H1N1 cases of emerging infectious disease cases. In the view of the trend, there was an upward trend from 2009 to 2012, while there was a downward trend from 2012 to 2014. There were cases for all age groups, and most cases occurred among patients at an age of 40 to 44, accounting for 11.25% of the total cases. Eighteen occupations were involved, and the top five in terms of the number of infections accounted for 63.96% of all the cases. ConclusionCategory-B infections have been the major diseases reported in our hospital from 2009 to 2014. Therefore, the priority of our job in the future should be focused on prevention and control of syphilis, hepatitis B, tuberculosis and AIDS.
The western medicine are main drugs in treatment of infectious diseases, but the combination of Traditional Chinese and western medicine are used in China. In recent years, proportion of proprietary Chinese medicine increased significantly in this field. However, the classification of proprietary Chinese medicine and matching with the counterparts of western medicine were difficult, and the package inserts were less scientific and normative. By searching the terms of "Qing kai ling" and "Infection", the paper found the quality of post-marketing clinical researches was low. The use proportion of Qing kai ling combined with other drugs was more than 50%, 70% of which was western medicine. The further studies are needed to explore some proprietary Chinese medicine with obvious competitive advantage and improve the quality of methodology and reporting, in order to standardize and guide the rational use of proprietary Chinese medicine in infectious diseases.
Objective To assess the completion of the under 5 mortality rate (U5MR) of Millennium Development Goals in 194 member countries of WHO, and to analyze the present situation of the global U5MR. Methods Based on the U5MR and the proportion of main causes of death in the "World Health Statistics 2015", the Millennium Development Goals of the decline of U5MR from 1990 to 2013 was assessed, the U5MR was analyzed by comparison between 2000 and 2013. Bivariate Pearson correlation analysis was used to determine the correlation between mortality and the ratio of infection to non infectious diseases and GDP per person in U5MR. Results By 2013, in 194 WHO member states, the U5MR in 46 (23.71%) countries achieved the millennium development goals. Comparison between 2000 and 2013, there was significant difference between low and high mortality groups in six continents (P<0.05), there was no significant difference between the moderate death groups (P>0.05), there was no significant difference in the ratio of infection to non infectious diseases between the middle and low mortality groups (P>0.05), however there was significant difference between the high mortality groups (P<0.05). There was significant difference in the average decline of U5MR and the ratio of non infectious diseases between low and medium, middle and high mortality groups (P<0.05). The Global U5MR had significant regional differences, the highest U5MR was in Africa, the lowest U5MR was in Europe, the medium U5MR was in North America, Oceania, South America, Asia was becoming the middle level. The U5MR was highly correlated with the ratio of infection to non-infectious diseases in every country (r2000y=0.934,r2013y=0.911,P<0.05), and it was low negatively correlated with GDP per capita (r2000y=–0.443,r2013y=–0.433,P<0.05). Conclusions There is a long way to reduce global child mortality. Prevention and control should focus on Africa and Asia. Prevention and control of infectious diseases is an effective measure for middle and high mortality countries. Prevention and control of non-infectious diseases is an important measure for low mortality countries. Increasing health investment is an important means to further reduce global U5MR.
Objective To optimize the report procedure of infectious diseases, solve the problems during routine surveillance such as incomplete report and incorrect report, in order to improve the report quality of infectious diseases. Methods Common problems in the report cards which were systematically collected in the infectious disease report management system were analyzed. Then, through negotiation with engineers of the information center, procedures which might easily lead to errors were deleted, report procedures were optimized. Furthermore, clinicians were also trained on infectious disease report from time to time. The entire study was divided into three periods, including baseline period (from October 1, 2012 to December 31, 2013), intervention period (from January 1, 2014 to December 31, 2014) and enhanced intervention period (from January 1, 2015 to December 31, 2015). The incorrect report rate and incomplete report rate were automatically calculated and compared among the three periods to evaluate the report quality. Results Compared with the baseline period, the total incomplete rate in the enhanced intervention period decreased from 8.21% to 3.19% (χ2=103.143,P<0.001), the incorrect report rate of hepatitis B virus decreased from 32.84% to 21.63% (χ2=19.002,P<0.001), and the incorrect report rate of syphilis decreased from 24.93% to 6.86% (χ2=90.416,P<0.001). respectively. Conclusion The infectious disease report system plays a very important role in timely identification of errors and improvement of incomplete and incorrect report, and is of great significance in the management of infectious diseases.
Coronavirus disease 2019 (COVID-19) is highly contagious, and the route of transmission is dominated by respiratory droplets and contact transmission. At present, the disease prevention and control are difficult. In order to prevent and control COVID-19 and prevent its spread in the hospital, West China Hospital of Sichuan University has set up isolation wards in the center of infectious diseases. The work norms for isolation ward were formulated. This may help to strengthen the prevention and treatment of COVID-19, effectively control the epidemic situation, as well as protect the health and safety of the public and medical staff. This article introduces the specific settings, diagnosis and treatment specifications, and hospital infection prevention and control strategies of the isolation ward of West China Hospital of Sichuan University, shares the work experience of isolation wards, aims to provide a reference for other hospitals to effectively prevent the spread of COVID-19 in hospitals and curb the spread of COVID-19.
With the continuous development of modern laboratory medicine, the intersection of laboratory medicine and multi-disciplines such as chemistry, physics, and biology has become an inevitable trend, and received extremely extensive attention. As a new nanomaterial with great application prospect in the field of chemistry, quantum dots have brought a new idea for medical laboratory research. This paper summarizes the research status and progress of quantum dots in the diagnosis of infectious diseases, tumors and other diseases. The advantages and disadvantages of existing detection techniques based on quantum dots are discussed in order to provide theoretical thinking for the application of this nanomaterials in laboratory medicine in the future.
ObjectiveTo analyze the epidemic characteristics of the notifiable infectious diseases in West China Hospital of Sichuan University, so as to guide the prevention, control and treatment of notifiable infectious diseases in the hospital and other medical institutions. MethodsDescriptive analysis was used to make statistics and analysis on the data of notifiable infectious diseases in West China Hospital of Sichuan University from 2015 to 2020, and the reporting situation, disease classification and transmission route were summarized. ResultsA total of 21 382 cases of notifiable infectious diseases with 32 types were reported. There was no class A infectious disease reported. There were 16 305 cases (76.26%) of class B infectious diseases and 5 077 cases (23.74%) of class C infectious diseases. The top 5 infectious diseases were pulmonary tuberculosis, influenza, syphilis, acquired immunodeficiency syndrome (including human immunodeficiency virus infection), and viral hepatitis type B. From the trend of the infectious disease reporting, the number of notifiable infectious diseases showed an upward trend from 2015 to 2020. ConclusionsThe report of notifiable infectious diseases in West China Hospital of Sichuan University from 2015 to 2020 mainly focuses on class B infectious diseases and class C infectious diseases. In the future, the prevention and control of infectious diseases should focus on respiratory infectious diseases, blood borne and sexually transmitted infectious diseases.