Objective To understand the status and effect of implementation of curriculum of nursing postgraduates,providing a reference for further improvement of our programs system for nursing postgraduates.Methods The formation of the interview framework was based on professional degree programs.Nine postgraduates were enrolled by purposive sampling,and the data were collected by in-depth interview and were analyzed by Colaizzi's content analysis.Results The experience of our school curriculum included the following:course structure and content highlighted nursing specialization characteristics; stamina was limited,the curriculum had slightly shortcoming; the assessment forms were diversification,although had some stress,it improved their ability.Conclusions We should enhance students awareness of curriculum and training plan of postgraduates,focusing on the study of specialist theory; to learn from the training experience of the foreign clinical nurse specialists in order to improve the curriculum of nursing postgraduates.In addition,we should also address the different starting point of students,explore different training plan,to lay the foundation for training of high-quality clinical nursing talents.

Objective To investigate the inhibitory effect of Lycium barbarum polysaccharide ( LBP) on the tumor growth and metastasis in MMTV?PyMT mouse model of breast cancer. Methods The population of MMTV?PyMT trans?genic mice was expanded and identified. 8?week old MMTV?PyMT?positive female mice were randomly divided into LBP group and control group, 8 mice in each group. The mice of LBP group were given LBP treatment (50 mg/kg, i. p. ), and the control group was given normal saline in the same volume, once every 2 days for 4 weeks. The tumor size was measured every two days. The mice were killed at 4 weeks after treatment, the lungs were removed and fixed in Bouin′s solution to observe the number of metastatic nodules, and tumor tissues were used for immunohistochemical examination of tumor cell proliferation and vascular density. Results The tumor formation rate was 100% in the MMTV?PyMT?positive mice. The tumor weight of LBP group was 4?208 ± 0?4463 g, significantly lower than the 6?477g ± 0?3724 g in the control group (P<0?005). The number of pulmonary nodules of the LBP group was 12 ± 1?155, significantly less than that of the control group (20 ± 2?745) (P<0?05). The immunohistochemical examination using Ki67 and CD31 staining showed that tumor cell proliferation and microvessel density of the LBP group were significantly less than the NS group. Conclusions LBP inhibits breast cancer growth and metastasis through the inhibitory effect on tumor growth and metastasis, inhibition of tumor cell proliferation and angiogenesis in MMTV?PyMT mice. These mice can be used as an ideal model for studies on antitu?mor drug development for the treatment of breast cancer lung metastasis.

Objective To investigate the infection of hemorrhagic fever with renal syndrome (HFRS) in host animals and inapparent infection of HFRS in general population in Dongting Lake areas after floods. Methods The night trapping method was used to capture rodents. The immunofluorescence assays were used to detect the hantavirus (HV) antigens and antibodies in rodents lung and in the serum of general population. Nonconditional logistic regression was applied to analyze risk factors for inapparent infection with HV. Results In flood region,draw-near flood region and new migration region,rodent density was 6.95%,6.28%, and 8.67%, respectively, and the virus-carrying rate in rodents was 15.07%,9.25%, and 4.47%, respectively. The virus-carrying rat index was the highest in flood region (0.10). Apodemus agrarius was the dominant species. The standardized positive rate of HV antibody in general population from above mentioned regions was 4.49%, 3.11%, and 3.13%, respectively. There was no significant difference among different age or gender groups. The results of logistic regression analysis indicated that people who were involved in construction of water conservancy facilities in winter or practice of rat extermination at home were the principal factors related to inapparent infection with HV. Conclusion The virus-carrying rate in main host animals of HV in the 3 regions is high, whereas the positive rate of HV antibody is low in general population. Comprehensive measures should be taken to prevent and control HFRS, such as reinforcing surveillance of HFRS, strengthening deratization, and preventive inoculation.

Abstract: Objective To screen out a more universally applicable culture medium for the isolation and culturing of pathogenic fungi through comparing the performance of various universal fungal culture media, to optimize the fungal culturomics technique, and to better apply it to the culturomics research of pathogenic fungi. Methods Multiple common fungal culture media Sabouraud dextrose agar (SDA), potato dextrose agar (PDA), modified Dixon (mDixon), modified LeemingNotman agar (MLNA), etc., and a new pan-fungal medium (PF) were used to culture 40 strains of common pathogenic fungi to determine the growth states of strains under different conditions. Based on that, PF, SDA, PDA, mDixon and MLNA, a total of 5 culture media, were used to isolate and culture a simulated sample (suspension of Candida albicans and Aspergillus fumigatus), 10 human samples (4 fecal samples and 6 vaginal secretion samples) and 3 environmental samples. Results The positive growth rates of 40 strains of pathogenic fungi in the 7 media were as follows: PDA 95.0% (38/40), SDA 95.0% (38/40), BHI 95.0% (38/40), YPD 90.0% (36/40), mDixon 95.0% (38/40), MLNA 87.5% (35/40), PF 100.0% (40/40). For the simulated samples, PF could effectively promote the self-limited growth of filamentous fungi, performing better in isolation and culture. For the human samples and environmental samples, PF showed the same versatility as SDA and PDA. Conclusions In the isolation and culturing of pathogenic fungi, PF medium can effectively isolate and culture most fungal species. Meanwhile, PF can make the fast-growing fungi show self-limited growth and clear edges, and not easy to cross-contamination, which indicates it is conducive to the isolation and identification of single colonies. PF medium outperforms other common media in isolating strains from unknown samples in culturomics, which illustrates PF medium can be effectively used for the study of fungal culturomics.

Objective:To explore the correlation among psychological flexibility, pain stimulation and adaptation of patients with chronic pain.Methods:From July to September 2020, convenience sampling was used to select 491 patients admitted to the Department of Orthopedics in 5 Class Ⅲ Grade A hospitals in Beijing and Shanghai. The survey was conducted with the self-designed General Information Questionnaire, Psychological Inflexibility in Pain Scale (PIPS) , Pain Disability Index (PDI) , Tampa Scale of Kinesiophobia (TSK-11) and the Chinese version of World Health Organization Quality of Life-BREF (WHOQOL-BRIF) , and the structural equation model hypothesis was proposed.Results:Among patients with chronic pain, the total PIPS score, PDI score, and the total TSK-11 score were (51.06±14.35) , (31.41±18.31) and (30.42±6.43) respectively. The scores of physical health, psychological health, social relationships, environment, overall quality of life and general health were (12.55±2.19) , (13.04±2.42) , (14.29±2.97) , (12.98±2.79) , (3.17±0.98) and (2.73±0.99) respectively. Painful stimulation could produce exercise fear ( β=3.382, t=21.754, P<0.05) , and exercise fear affected stereotype psychology ( β=3.382, t=21.754, P<0.05) , and stereotype psychology had a direct negative impact on the quality of life ( β=-0.092, t=-6.516, P<0.05) . Conclusions:The pain stimulus of patients with chronic pain affects the patient's psychological flexibility through exercise fear, thereby further affecting the patient's quality of life.

Objective:To understand the status and coping strategies of death anxiety among military nurses participating in emergency public health incident response, and to provide references for improving their coping abilities.Methods:A purposive sampling and snowball sampling method were used to select 15 nurses from multiple military hospitals who supported the emergency public health incident. One-on-one semi-structured interviews were conducted, and the Colaizzi's seven-step analysis method was used to analyze the interview data.Results:Four themes were identified: the occurrence of death anxiety at different time points; the presence of significant outbreaks of death anxiety; multiple factors that help military nurses alleviate death anxiety; and the intrinsic motivation and gains of military nurses participating in the response.Conclusions:It is crucial to monitor the occurrence and changes in death anxiety among nurses throughout the entire cycle of emergency public health incidents. Managers should focus on value guidance, leverage individual positive strengths to cope with death anxiety, enhance information and social support, reinforce training on infectious disease prevention and death education, and reduce the level of death anxiety among military nurses and improve their coping abilities.

Objective:To explore the status and influencing factors of stigma in patients with pituitary adenoma.Methods:From January 2020 to May 2021, a total of 106 patients with pituitary adenoma in the Affiliated Huai'an No.1 People 's Hospital of Nanjing Medical University were selected using the convenience sampling method. Internalized Stigma of Mental Illness, Medical Coping Style Questionnaire and Connor-Davidson Resilience Scale were used to investigate them. Binary Logistic regression analysis was used to evaluate the influencing factors of stigma in patients with pituitary adenoma. Results:Among 106 patients with pituitary adenoma, 87 (82.08%) had stigma. The stigma score of patients with pituitary adenoma was (2.58±0.61) . Binary Logistic regression analysis results showed that family monthly income, coping style and mental elasticity were the influencing factors of stigma in patients with pituitary adenoma ( P<0.05) . Conclusions:Stigma is common in patients with pituitary adenoma. Medical staff should take targeted intervention measures according to the influencing factors of stigma in patients with pituitary adenoma, so as to help patients reduce stigma.

Objective:To investigate the prospective association of sleep duration with the development of chronic obstructive pulmonary disease (COPD) in adults in Suzhou.Methods:The study used the data of 53 269 participants aged 30-79 years recruited in the baseline survey from 2004 to 2008 and the follow-up until December 31, 2017 of China Kadoorie Biobank (CKB) conducted in Wuzhong District, Suzhou. After excluding participants with airflow limitation, self-reported chronic bronchitis/emphysema/coronary heart disease history at the baseline survey and abnormal or incomplete data, a total of 45 336 participants were included in the final analysis. The association between daily sleep duration and the risk for developing COPD was analyzed by using a Cox proportional hazard regression model, and the hazard ratio ( HR) values and their 95% CI were calculated. The analysis was stratified by age, gender and lifestyle factors, and cross-analysis was conducted according to smoking status and daily sleep duration. Results:The median follow-up time was 11.12 years, with a total of 515 COPD diagnoses in the follow-up. After adjusting for potential confounders, multifactorial Cox proportional hazard regression analysis showed that daily sleep duration ≥10 hours was associated with higher risk for developing COPD ( HR=1.42, 95% CI: 1.03-1.97). The cross analysis showed that excessive daily sleep duration increased the risk for COPD in smokers ( HR=2.49, 95% CI: 1.35-4.59, interaction P<0.001). Conclusion:Longer daily sleep duration (≥10 hours) might increase the risk for COPD in adults in Suzhou, especially in smokers.