Taking the actual situation of the undergraduate medical education in West China School of Medicine, Sichuan University as the real-world reference, combining with literature review, this article analyzes the internal strengths and weaknesses, as well as the external opportunities and threats of the novel teaching system in medical education which combines the online-merge-offline (OMO) approach with inquiry-small class model, and provides deep insights into the opportunities and challenges of the teaching system after matching the influential factors based on the SWOT-CLPV matrix model. Based on these analyses, this article discusses the application of the teaching system combining the OMO approach with inquiry-small class model in medical education in the post-epidemic era, so as to provide a reference and guidance for further popularizing the teaching model and enhancing the quality of medical education to a new level.
ObjectiveTo understand variations in clinical epidemiology of lung cancer and to help with early accurate diagnosis and treatment of lung cancer.MethodsThis research was based on the Lung Cancer Database of West China Hospital of Sichuan University. Clinicopathological data of inpatients with primary lung cancer from 2011 to 2018 was collected for analysis. Information regarding sex, age, smoking history, surgical resection modalities, TNM stage of tumor, and pathological subtypes was included.ResultsA total of 23 228 inpatients with primary lung cancer were included in this research. There were 1 932, 2 029, 2 162, 2 773, 2 975, 3 318, 3 993, and 4 046 patients in every single year from 2011 to 2018, respectively. The male-to-female ratio of patients had changed significantly from 2.00∶1 in 2011 to 1.34∶1 in 2018 (P<0.001). Statistically significant difference was found in age distribution of patients in different years, while elderly always accounted for the majority of all patients. More nonsmokers were among the group of lung cancer patients, the proportion of whom rose from 41.61% in 2011 to 52.47% in 2018 (P<0.001). The proportion of adenocarcinoma in all subtypes rose from 54.04% in 2011 to 71.73% in 2018, while the proportion of squamous carcinoma dropped from 29.04% to 17.67% simultaneously. From 2011 to 2018, the proportion of stage Ⅰ lung cancer rose from 15.68% to 40.79%. Patients with stage ⅠA1 accounted for 11.82% in 2018. In 2018, 60.78% of stage ⅠA patients had gone through surgical resection modalities, forming a stark contrast with the fact that only 26.48% of stage ⅠA patients adopted surgeries in 2011.ConclusionsFrom 2011 to 2018, the total number of lung cancer patients increased year by year. The proportions of female patients and nonsmokers rose significantly. Adenocarcinoma accounted for the highest proportion of all subtypes, followed by squamous cell carcinoma. There were more patients with early lung cancer and less with advanced lung cancer diagnosed, implying a gradual accumulation of weight on the early stages according to the TNM classification of lung cancer.
Objective To systematically review the effect of bariatric surgery for male’s erectile function. Methods We electronically searched databases including PubMed, EMbase, The Cochrane Library (Issue 5, 2016), CNKI, VIP and WanFang Data from inception to May 30th 2016, to collect randomized controlled trials and before-after studies about bariatric surgery therapies for erectile function in obese male. Two reviewers independently screened literature, extracted data, and assessed the methodological quality of included studies. Then RevMan 5.3 software was used for meta-analysis. Results A total of 7 before-after studies involving 270 patients were included. The results of meta-analysis showed that: compared with before treatment, bariatric surgery could significantly improve 1-year erectile function score (MD=5.05, 95%CI 3.52 to 6.59, P < 0.000 01), 1-year sexual desire score (MD=0.99, 95%CI 0.47 to 1.51, P=0.000 2), 1-year contact satisfaction score (MD=2.70, 95%CI 0.21 to 5.19, P=0.004) and 1-year total satisfaction score (MD=1.68, 95%CI 0.27 to 3.09, P=0.002), but there was no significant difference in orgasm function score (MD= –0.21, 95%CI –0.74 to 0.33, P=0.45) between before and after treatment. Conclusion Bariatric surgery is effective in improving the erectile function, sexual desire and sexual satisfaction in morbidly obese male. Due to the limited quality and quantity of the included studies, the above conclusion needs to be verified by more large-scale high-quality studies.