Objective To screen nursing workload items in the perioperative period of lumbar disc herniation by using Delphi method for providing scientific basis in order to undertake nursing care cost calculation of single disease. Methods The measuring content of nursing workload was firstly designed on the basis of consulting literature and experts discussion,then two rounds of consultations were made with experts by using the Delphi method. Results Valid questionnaires collected back were 35 and 37,respectively, accounting for 89% and 94% in the two rounds of consultations with the experts,by which fully reflected the support of experts to the study. The average number of authoritative coefficients in the two rounds of consultations with the experts was respectively 0.79, 0.88,which indicated high reliability of the consulting. The overall coordination index for nursing care items in the preoperative/intraoperative/postoperative period of consulting experts respectively was 0.265/0.305/0.359 and 0.435/0.316/0.425, which had statistical significance and indicated the good coordination among the experts advice in determining the nursing care items and the desirability of the results. Conclusions Measurement items of nursing workload in perioperative period of lumbar disc herniation had been screened scientifically and reliably,which could accurately measure the nursing workload of the disease and lay the foundation for further accounting of nursing care cost.

OBJECTIVE To get knowledge of the drugs resistance change of Pseudomonas aeruginosa in intensive care unit ICU, so as to offer the first-hand information to the clinical preventive and therapeutic countermeasures. METHODS Antimicrobial susceptibility tests of Staphylococcus aureus(SAU) were performed from 2001 to 2006. RESULTS The most frequent isolates were P. aeruginosa, Klebsiella pneumonia and Acinetobacter baumannii in 2001-2004. S. aureus were more than A. baumannii in 2006 and became the majore isolated bacteria in the sputum of the ICU patients. The incidence of drug resistance increased yearly(0, 25.0%, 29.4%, 74.4%, 87.7%, 92.7%, respectively) in S. aureus, and it was susceptibte to vancomycin. CONCLUSIONS It was showed that P. aeruginosa, K. pneumonia, A. baumannii and S. aureus were the major pathogens in the ICU, showing high drug resistance. Doctors should pay more attention to analyze the bacterial resistance profile in order to decrease the incidence of drug resistance and use the antibiotics properly.

Objective To investigate the intralaboratury and interlabomtory variations of measurements for ALT and AST among four domestic reference laboratories. Methods The International Federation of Clinical Chemistry and Laboratory Medicine (IFCC) reference procedures and IFCC procedures without pyridoxal 5-phosphate (PLP) were performed in the reference laboratories. Intralaboratory and interlaboratory CVs were compared with those in 2006 and 2007 IFCC External Quality Assessment Scheme for Reference Laboratories (RELA). Meanwhile, deviations of results for ALT, AST and AST/ALT between two methods were calculated. Results Interlaboratory CVs were generally higher than intralaboratory CVs. Interlaboratory CVs among the 41 laboratories were lower than these in RELA. Results of ALT and AST using method with PLP were higher than those using method without PLP. Difference of AST/ALT ratio between the two methods was significant. Conclusions For reference measurement of the 2 enzymes, interlaboratory CVs of < 3.5 are achievable on frozen serum materials. Measurements on lyophilized materials may have higher CVs. Further studies are needed for the investigation of the differences between results obtained in the absence and presence of PLP.