Objective To evaluate the effect of early clinical interference strategies on preventing the conversion of acute pancreatitis to the severe form and aggravation of severe acute pancreatitis(SAP).Methods The patients with acute pancreatitis admitted to this hospital were divided into two therapeutic phases by different therapeutic methods from January 2001 to December 2008.Patients in the first phase(from January 2001 to December 2004) were treated by the routine management,and the second phase(from January 2005 to December 2008) by the routine management combined with early clinical interference strategies.Then,the ratio of conversion from acute pancreatitis to SAP and prognosis of SAP between two phases were compared.Results Compared with the first phase,the rate of aggravation of acute pancreatitis was significantly decreased in the second phase(4.48% vs.21.18%),the average healing time of SAP,the incidences of systemic and local complications and the mortality of pancreatitis were reduced(P

Objective:To systematically evaluate the influence of the implementation of essential drug policy ( EDP) on prescrip-tion use rate of antibiotics in primary hospitals. Methods:Based on CNKI, Wanfang and VIP of China journal databases, all litera-tures were adopted including the data of the prescription use rate of antibiotics in primary hospitals. RevMan5. 3 and Stata 12. 0 soft-ware were used to conduct the Meta analysis. Results:Totally 43 literatures were included in the study according to the evaluation se-lection criteria. After the implementation of EDP, the prescription use rate of antibiotics in primary hospitals was decreased, and com-pared with that before the implementation of EDP, the risk difference value was significant [RD= -0. 03,95%CI( -0. 04,-0. 03), P<0. 000 01], while the use rate was still high (46. 16%). The result of Egger’s test indicated the publication bias of the 43 litera-tures was not significant (P=0. 571). However, there was high heterogeneity(I2 =94%,P<0. 000 01)among the different studies. Based on the classification of hospital type and different areas, the results of sub-group analysis showed the differences of study methods in the literatures and regional implementation measures of EDP contributed to the high heterogeneity among the different studies. Con-clusion:In order to reduce the heterogeneity of studies, a unified evaluation criteria for the research quality of the cross-section survey should be established. And special policies related to EDP should be taken to effectively decrease the use rate of antibiotics in primary hospitals.