Objective To investigate the status of clinical blood transfusion from 2008 to 2014 in order to standardize clinical transfusion management and improve the clinical rational usage of various blood components .Methods By various blood compo‐nents transfusion ,the average quantity of clinical blood transfusion ,4 common blood types and the usage of red blood cells and platelet in different departments were analyzed and compared .Results The rate of blood component transfusion remained at 100%over the 2008 - 2014 year .The utilization of platelet was the highest ,followed by red blood cells and plasma ,and the amount of cryoprecipitate was the least from 2010 .The total consumption of blood was increasing each year ,but there was a downward trend at the average usage of clinical blood ,and also there were significant differences among 4 common blood types ,and the blood compo‐nent transfusion rate was different in different departments in hospital .Conclusion From 2008 to 2014 ,the blood transfusion is ap‐propriate and reasonable ,but still can be improved by effective means .

The FE model of proximal humeral locking plate was established and analyzed to provide academic support of the proximal humeral locking plate failure. The stress distributions of the locking plate were observed under the situations of the fracture area providing support and without support. In summary, this type of locking plate cannot afford the stress at 120 degrees abduction position under the situation of fracture area provides without support. In order to reduce the probability of locking plate failure, it is recommended that using other type of locking plate instead or avoiding 120 degree abduction of the patient.
Bone Plates ; Equipment Failure Analysis ; Finite Element Analysis ; Humans ; Humeral Fractures ; Materials Testing ; Prosthesis Failure ; Stress, Mechanical

The finite element method was used for simulating the mechanical performance and fatigue safety of three different structures of Nitinol stent. According to the actual situation, after proposing reasonable assumptions and simplification, the geometry model and finite element model establishment, material mode selection and boundary condition setting are completed. The strain and fatigue life of different stent edges wide (omega) or strut angle (theta) are computed. The result can provide a valuable reference for the optimal design of stent.
Alloys ; Finite Element Analysis ; Prosthesis Design ; Stents

In this study,we summarized the results from the retrospective investigation on endemic situation of schistosomia-sis that was implemented in nine provinces(autonomous region),China in 2009,demonstrated the role of these retrospective in-vestigations in accelerating the progress of schistosomiasis control in China,and clarified the great significance of the investiga-tion for summarizing the experiences for the control of schistosomiasis,and analyzing the changing patterns and affecting factors of endemic status of schistosomiasis in China. In addition,these retrospective investigations provide reliable evidence for revis-ing the Criteria of Schistosomiasis Control and Elimination,and for the more accurate and scientific assessment of the effec-tiveness of schistosomiasis control in China.

Objective To explore the factors that influence the medical cost of advanced schistosomiasis patients in Anhui Province.Methods The medical records and other related data were collected from 13 pilot hospitals in Anhui Province.Single factor analysis and multiple regression methods on 264 cases of medical cost were used for the analysis.Results The results of single factor analysis showed that the history of ascites,ascites and concomitant diseases for advanced schistosomiasis medical cost had significant differences(P

Objective To explore the spatial distribution of schistosomiasis cases and Oncomelania snails in the provinces of Jiangsu, Anhui and Jiangxi with the assistance of geographic information systems (GIS). Methods Epidemiological data of schistosomiasis in recent 20 years were collected, and the relevant GIS databases were established. The spatial autocorrelation analysis was carried out with ArcView 3\^x, S\|Plus, and Spatial Statistics software. Results Except for schistosomiasis cases in Jiangsu, the spatial distribution of schistosomiasis cases and Oncomelania snails in the three provinces were fitted to the spatial autocorrelation at a certain degree. Generally the autocorrelation coefficients (Moran′s I) in Oncomelania snails were higher than that in schistosomiasis cases. Conclusion Spatial autocorrelation analysis can be used to estimate the value of one variable in different spatial position, and it is a good way to find out the spatial cluster distribution in different stages.

Objective To understand the variation rules of schistosomiasis endemic situation before and after schistosomia-sis transmission controlled or interrupted,so as to provide the evidence for the consolidation of control achievements. Meth-ods In Anhui Province,3 counties reaching the criteria of schistosomiasis transmission controlled or interrupted were selected and their historical endemic data were collected and analyzed statistically from 10 years before the schistosomiasis transmission controlled to 2008. Results In Tianchang City,the Oncomelania hupensis snail area was 3.54 hm2 in a part of the lake marsh-land in the year reaching the criteria of transmission controlled(1998),and no snails were found in the year of transmission in-terrupted(2008). No stool-test-positive resident was detected except there were 58 acute schistosomiasis cases in 1993,and the sero-test-positive rate of local residents remained at low levels(0-1.55%). In Taihu County,the snail area was 0.84 hm2 account-ing for 0.06%of its historical accumulative snail areas in the year of transmission controlled(1971),and no snails were found three years before the transmission interrupted (1983). However,the schistosomiasis endemic rebounded 12 years later (1995),there was an outbreak of acute schistosome infections(73 cases),and the snail area increased again to 133.7 hm2 ac-counting for 2.91%of historical accumulative snail areas. After that,the snail area kept on rising and the infection rates of resi-dents and bovine remained higher than 1%. In Guangde County,the snail area was 32.4 hm2 accounting for 1.90%of its histori-cal accumulative snail areas in the year of transmission controlled(1995). After that,the snail area increased progressively, and the schistosomiasis endemic rebounded and there were acute schistosome infections 5 years later. The Spearman tests showed that the sero-test-positive rate(Tianchang City)and the stool-test-positive rates of residents and bovine(Taihu County)had positive correlations with the snail areas(r=0.582,0.401,0.596,all P<0.05). Conclusion The snail status is a key for the consolidation of schistosomiasis transmission controlled and interrupted. Therefore,a valid surveillance system of snail situa-tion should be established as quickly as possible.

The orthopedics implants failure management system has been put forward according to the present status. The function of the system and typical failure case reasoning route also have been described. Furthermore, the analysis process has been presented by illustrating a typical failure case analysis.
Medical Records Systems, Computerized ; Orthopedic Procedures ; instrumentation ; Prosthesis Design ; Prosthesis Failure ; Software Design

The goal of achieving elimination of schistosomiasis across all endemic counties in China by 2030 was proposed in the Outline of the Healthy China 2030 Plan. On June 16, 2023, the Action Plan to Accelerate the Elimination of Schistosomiasis in China (2023—2030) was jointly issued by National Disease Control and Prevention Administration and other 10 ministries, which deployed the targets and key tasks of the national schistosomiasis elimination programme in China. This article describes the progress of the national schistosomiasis control programme, analyzes the opportunities to eliminate schistosomiasis, and proposes targeted recommendations to tackle the challenges of schistosomiasis elimination, so as to accelerate the process towards schistosomiasis elimination and facilitate the building of a healthy China.