50 tracheotomy patients with mechanical breathing were performed respiratory tract control for suitable breathing. Result 5 patients recovered and had spontaneously breathing without respirator in 3~5days, then the trachea cannulas were pulled out in 1~2 weeks. Conclusion effective respiratory tract control may enhance the curative rate and improve patients' life quality.

Objective To investigate the role of the pulmonary function, arterial blood gas analysis, the St George respiratory questionnaire (SGRQ) score and nutritional status in evaluating the development of chronic obstructive pulmonary disease (COPD). Method Changes of the above-mentioned parameters were analyzed in hospitalized patients suffered from moderate to severe COPD and compared with parameters of those who had acute exacerbations when admitted to hospital. Results The forced expiratory volume in one second (FEV1)% pred and oxygenation index of the patients declined significantly with the development of the disease after one, two, three, four times in hospital [(68.43 ± 3.09)%, (61.27 ± 3.38 )%, (42.05 ± 4.16)%, (33.64 ± 3.34)% and 435.55 ± 10.23, 404.35 ± 11.56, 358.38 ± 13.21, 321.29 ± 11.78] (P < 0.05), while the level of PaCO2 increased significantly in moderate COPD [(36.23 ± 3.62), (45.44 ± 4.67), (57.82 ± 4.12), (78.28 ± 5.21 )mm Hg (1 mm Hg = 0.133 kPa) ] (P<0.05). The oxygenation index was declined significantly in severe COPD. The scores of SGRQ score declined significantly in all patients while the level of hemoglobin, albumin and body mass index did not change significantly. Conclusions Acute ex-acerbation attributes to the deterioration of pulmonary function and life quality of COPD patients. Monitoring the changes of pulmonary function, arterial blood gas analysis and SGRQ score may be useful in the evaluation of the development of COPD.

Objective To understand the subjective perception and influential factors of physical assessment technique in clinical nurses. Methods Using self-designed physical assessment skills questionnaire to investigate nurses in the six provinces of China, 1115 questionnaires were valid. Results There were 11 items in this questionnaire. The first four were: physical assessment is an essential skill of nurses (88.1%),the importance of continuous learning (84.8%), lack of maturity assessment tools (79.8%), heavy workload,lack of time (60.8%). The result of multiple regression analysis (stepwise) showed that hospital-level and regional were the main factors affecting the subjective perception. Conclusions The development of physical assessment reies mainly on rational allocation of human resources structure, establishing the physical assessment framework, and make sure different departments have their own characteristics and the importance of continuing education.

Objective To understand the application status of physical assessment in clinical nurses. Methods Using self-designed physical assessment skills questionnaire to investigate nurses in six provinces of China, 1115 questionnaires were valid. Results There were 171 items in this questionnaire,4.0% of them were used regularly, 19.3% used frequently, 76.7% used occasionally. The result of Spearman correlation showed that there was positive correlation between the frequency of physical assessment skills and the subjective needs of nurses, regional, educational background, hospital level. There was also negative correlation with title, age and seniority. Conclusions The main factors lead to imbalance development of physical assessment skills are regional, hospital-level and education background; the assessment skills of specialist hospitals and wards need to be standardized immediately.

Thrombosis disease is a common complication of cancer. Researches show that venous thromboembelism ( VTE ) can increase the mortality rate of patients with cancer.Tissue factor (TF) and cancer procoagulant (CP) and other pathological factors are related to VTE.VTE risk factors in cancer patients can be grouped into 3 general categories:patient-related factors,cancer-related factors and treatment-related factors.Assessment of risk factors and early prevention can reduce the incidence of VTE.Immediate treatment and chronic therapy should be performed immediately after the diagnosis of VTE.

Objective To observe the effect of Chinese herbal compound Yitangkang on the expressions of advanced glyclation end-products (AGEs) and the receptor of advanced glyclation end-products mRNA(RAGE-mRNA) in rats with diabetic nephropathy(DN),and to discuss the mechanism of the formulas in the treatment of DN. Methods The rat model of DN were established by intraperitoneal injection of strepotozotocin(STZ). After 8 weeks intervention with medications, the expression of renal RAGEs mRNA was detected by Real-time PCR, renal RAGE by immunohistochemistry, and renal content of AGEs by spectrophotometry. Results Compared with normal control group, the expression of renal RAGEs mRNA and RAGEs in diabetic nephropathy rats were increased significantly(P<0.01). Compared with DN group, the expression of renal RAGEs mRNA and RAGEs in three doses Yitangkang groups and western medicine group were decreased significantly(P<0.01). Conclusion Chinese herbal compound Yitangkang could protect kidney of diabetic nephropathy rats,and the mechanism is related to its loweirng renal expression of RAGEs mRNA, RAGEs and AGEs content.

Sox gene family is composed of a class of SRY gene,encoding a series of transcription factors.In the ontogeny,sox genes involved in a variety of development,such as sex determination and differentiation,neural development,cartilage formation.In recent years,researchers found that the abnormal expression of sox gene was related with the development of breast cancer,such as,the overexpression of Sox2 and Sox4 was related with breast cancer; Sox7 and Sox17 in breast cancer could act as tumor suppressor gene,the downregulation of which could activate Wnt/β-catenin signaling pathway.

ApolipoptoteinA1isthemaincomponentofhigh-densitylipoproteincholesterolintheplas-ma,which plays an important role in the lipid transportation and metabolism.It is closely related with cardio-vascular disease,liver disease,hereditary amyloidosis and so on.CA1 25 ,as an important biomarker,has been widely used for the diagnosis and monitoring treatment of ovarian cancer.Improved sensitivity and specificity of diagnosis are obtained when it is combined with other tumor markers,especially CA1 25 .As reported recently, it also is related with the generation,progress and prognosis of ovarian cancer.It has been promising to be a new kind of treatment.

Since the first successful establishment of human embryonic stem cell line in 1998,embryonic stem cell research has attracted much attention in recent years.Theoretically,embryonic stem cells are pluripotent 0f in vitro proliferation and in vivo differentiation.which could serve as a promising seed cell source for cell thera PY or tissue engineering.Differentiation of the embryonic stem cells into a certain type of cell still remains a big challenge.Studies regarding chondrogenic ifferentiation have been reported.This article summarizes the chon drogenic process in developing embryo and the currently known factors involved in the in vitro chondrogenic differentiation of embryonic stem cell.Foreground of the study in this field is discussed.

Objective To analyze the diagnostic value of MRI in injured meniscus of the knee. Methods MRI and arthroscopic findings of meniscus injury(116 menisci)in 49 cases were comparatively analyzed. Results Among 116 menisci of 49 knee joints,MR imaging showed 0 grade in 11, Ⅰ grade in 14, Ⅱ grade in 50, Ⅲ grade in 38(grade Ⅲa in 17 ,grade Ⅲ b in 11,grade Ⅲ c in 10),and Ⅳ grade in 3. Conclusion MRI is of important diagnostic value in meniscus injury of the knee.