Hedging is an important component of vague language. This paper retrieves high frequency expressions of hedgingby using medical English corpus. Pragmatic functions of hedging are analyzed, which can be summarized as politeness principle, authors' self-protection, avoidance of the absolute, pursuit of objectiveness as well as conversational implication. To medical researchers, it is necessary to cultivate the awareness of hedging and learn how to adopt it in their research papers.

ObjectiveTo investigate the risk factors,prevention measures and treatment methods of the pulmonary fibrosis patients with nosocomial pulmonary fungal infection. Methods50 pulmonary fibrosis patients with nosocomial pulmonary fungal infection were chosen as the observation group. In the same time,50 pulmonary fibrosis patients without nosocomial pulmonary fungal infection were chosen as the control group. The following factors were compared: hospital stay, corticosteroid use, antibiotic use, invasive procedures, a merger of the underlying disease.ResultsThere were 46％ (23/50) patients had long-term use of antibiotics in the observation group, much more than the control group(26％ ,13/50) ,the difference was statistically significant( P ＜0.05) ;More than half of patients in both groups using glucocorticoids, the ratio in the observation group was 84％ (42/50), which was significantly higher than the control group( P ＜ 0.05) ; In the observation group, the rates of patients with long time hospitalization ( ≥30 days), received invasive procedures, and associated with underlying diseases were much higher than the control group( all P ＜ 0.05). ConclusionMultiple risk factors could lead to the occurrence of pulmonary fibrosis patients with nosocomial pulmonary fungal infection,and the positive and effective preventions and standard treatment should be taken.

Objective:To explore the clinical application of permanent needle of deep venipuncture in early management of extensive burn.Methods:88 patients with extensively burn are analyzed.Results:The success rate of venipuncture was 96%.The effect was satisfactory,while the complication was less.Conclusion:The permanent needle of deep venipuncture shows an important role in early management of extensive burn.

Primary central nervous system lymphoma (PCNSL) is a rare type of extranodal lymphoma, and its incidence rate is increasing nowadays. Chemotherapy is the main means for treatment of PCNSL and the efficacy of high-dose methotrexate (HD-MTX) has been confirmed among those chemotherapeutics. Treatments of HD-MTX combined with other drugs have been studied extensively. Progress of HD-MTX and other drugs for PCNSL are reviewed in this article.

ObjectiveTo study the correlation between blast lung injury (BLI) and acute posttraumatic stress disorder(PTSD) through the establishment of the model about blasting injury of rats.Methods84 SD male rats were randomly divided into four groups:the normal control group( A),the model groups ( B,C) and the sham model group(D).21 rats in each group.The chest of the model group and sham model group rats,respectively,were exposed to 8＃ instantaneous electric detonator at different distances.Then,emotion and behavior of rats was observed through open field test and elevated plus maze test,at day 1,14,28 after blasting.Group A was not given the explosion of stress treatment.After testing,each group was randomly picked up seven rats for succumbing to draw blood which was used to detecting the level of plasma corticosterone by radioimmunoassay,respectively.Results( 1 ) On day 1,it was a significant difference that the latency time ( LT),crossing frequency (CF),rearing frequency(RF) and modification frequency(MF) which were both group B( (25.34 ± 4.50)s,( 19.73 ± 11.10 ),(0.52±0.11),(0.53±0.21) respectively)and group C((22.13 ±6.54)s,(28.67 ±7.22),(1.07 ±0.26),( 0.89 ± 0.15 ) respectively ) were compared with group A,including LT,CF and RF of group D ( ( 23.71 ± 3.9 ) s,(25.13 ± 12.35 ),( 1.26 ± 0.74 ) respectively ) (P ＜ 0.05 ).Then,on day 28,although there was a significant difference which both the LT,CF and RF of group B,and the CF and RF of group C were compared with group A(P ＜ 0.05 ),no significant discrepancy was observed between group B and C (P ＞ 0.05 ).( 2 ) In the elevated plus maze test,the result was similar to the open field test.(3)On day 1 after blasting injury,it was significant distinction that the level of serum corticosterone of group B,C and D (( 153.15 ± 44.50) ng/ml,( 132.72 ±78.77)ng/ml,(96.16 ±8.96)ng/ml respectively)were higher than group A(P＜0.05).Finally,the level of serum corticosterone of group B,C and D were lower than group A on day 28 (P ＜ 0.05 ).ConclusionBLI model successfully induces acute stress disorder(ASD) of rots which behaved like anxiety,fear,hyperarousal and avoidance,and promots furtherly the development of ASD to PTSD,and establishes the modle of acute PTSD.

Objective To estimate the curative effect and cost-effectiveness of moxifloxacin and gatifloxacin for treatment of urinary traet infection. Methods Eighty patients with urinary tract infection were randomly divided into treatment group (40 cases) and control group (40 cases). The patients in treatment group were given 400 mg moxifloxacin once a day for 7 d, while in control group were given 400 mg gatifloxacin once a day for 7d. Results The total clinical effective rate of treatment group and control group were 95.0%(38/40) and 92.5%(37/40) respectively, and the bacterial eliminating rate were 77.50% (31/40) and 76.92% (30/39), and the rate of adverse reaction were 5.0% ( 2/40 ) and 7.5% (3/40) respectively. There was no significant difference between two groups (P>0.05). The cost-effectiveness ratio of moxifloxacin was 2296 and 779 for gatifloxacin (P<0.01). Conclusion The therapeutic scheme of gatifloxacin seems to be the best one for treating urinary tract infection.

Objective To investigate the status of the knowledge of metabolic syndrome and their demand situation among community nurses and discuss the community nursing intervention on metabolic syndrome. Methods A survey about the knowledge and its needs of metabolic syndrome was conducted in community nurses of the practice bases of the nursing school of Zhejiang Traditional Chinese Medical University by selfdesigned questionnaires. Results 58.8% of the communities had carried out the prevention of metabolic syndrome, and standard administration had been applied in 43.3% among them. 40.8% and 42.9% nurses were not clear about the diagnosis and prevention of metabolic syndrome respectively. 100.0% nurses agreed that corresponding training was necessary for them. Conclusions The education and training of the knowledge about metabolic syndrome must be enhanced for community nurses, and the intervention measures should be reinforced to improve the rate of diagnosis , cognition rate, control rate in order to improve the people's health and reduce the social and personal burden.

Cancer stem cells are defined as the unique subpopulation in the tumors that possess the abili-ty to initiate tumor growth and sustain self-renewal as well as metastatic potential.Accumulating evidences in recent years strongly indicate the existence of cancer stem cells in solid tumors of a wide variety of organs.In recent years,many cancer stem cells have been found,including leukemia,breast cancer,brain ttunor,liv-er cancer,colon carcinoma,etc.In this review,we will discuss the conception and origin of the gastric cancer stem cells,and their role in the development of multi-drug resistance.

Objective To investigate midwives' role cognition and their working experience.Methods It was a qualitative study using the phenomenological method.10 midwives were interviewed and all the data were analyzed using the categorization method.Results Three main categories were identified:diversified midwife roles; capacities and qualities required to fulfill midwifery roles; positive and negative experiences coexisted.Conclusions Managers should develop humanized management approaches to facilitate the fulfillment of midwives' roles and improve their working experience.The research also revealed the need to improve Chinese midwifery education and the midwifery regulation systems.

Objective To observe the efficacy and safety of compound glycyrrhizin and famciclovir in the treatment of herpes zoster. Methods 98 patients with herpes zoster were randomly divided into 2 groups. The treatment group were administrated with compound glycyrrhizin for a week. The control group were administrated with famciclovir for a week. The time of blister stop, crust formation, pain disappearance and cure was observed after 10 days. The rate of postherpetic neuralgia was observed too. Results The difference was significant between treatment group and control group in the time of blister stop [(2.38±0.76)d,(2.97±0.89)d], crust formation [(5.15±1.42)d, (6.91±1.97)d], pain disappearance [(4.06±1.34)d, (6.05±1.83)d] and cure [(7.32±2.21)d, (9.86±2.77)d] (all P<0.05). The difference of the rate of postherpetic neuralgia was insignificant between two groups (2%,4.2%) (P0.05). Conclusion Combined therapy of compound glycyrrhizin and famciclovir was safe and effective for the treatment of herpes zoster.