BACKGROUND: The proportion of patients with non-small cell lung cancer (NSCLC) harboring epidermal growth factor receptor (EGFR) mutations is relatively high in China. However, these patients currently lack significant benefits from available neoadjuvant treatment options. This study aims to explore the potential application value of neoadjuvant targeted therapy by evaluating its efficacy and safety in patients with EGFR-mutant resectable lung adenocarcinoma. METHODS: A multicenter retrospective study was used to analyze the treatment effect of patients with stage IIA-IIIB EGFR-mutant lung adenocarcinoma who underwent surgical resection after receiving neoadjuvant targeted therapy from July 2019 to October 2024. RESULTS: A total of 24 patients with EGFR-mutant lung adenocarcinoma from three centers were included in this study. All patients successfully underwent surgery and achieved R0 resection of 100.0%. The objective response rate (ORR) was 83.3% (20/24) . The major pathologic response (MPR) rate was 37.5% (9/24), with 2 patients (8.3%) achieving pathological complete response (pCR). During neoadjuvant therapy, 13 out of 24 patients (54.2%) experienced adverse events of grade 1-2, with no occurrences of ≥ grade 3. The most common treatment-related adverse events were rash (n=4, 16.7%), mouth sores (n=2, 8.3%), and diarrhea (n=2, 8.3%). The median follow-up time was 33.0 months, no deaths occurred in all patients, and the overall survival (OS) rate was 100.0%. The 1-year disease-free survival (DFS) rate was 91.1%, and the 2-year DFS rate remained at 86.2%. CONCLUSIONS The application of neoadjuvant targeted therapy in patients with EGFR-mutant resectable lung adenocarcinoma is safe and feasible, and is expected to become a highly promising neoadjuvant treatment option for the patients with EGFR-mutant lung adenocarcinoma.
Humans ; ErbB Receptors/metabolism* ; Male ; Female ; Middle Aged ; Adenocarcinoma of Lung/surgery* ; Neoadjuvant Therapy ; Lung Neoplasms/surgery* ; Aged ; Retrospective Studies ; Mutation ; Adult

Objective:To introduce the progress in research of rash and fever syndrome (RFS) surveillance and early warning both at home and abroad, and provide reference for surveillance and prevention of RFS in China.Methods:The keywords "fever" "rash" and "surveillance" and others were used for a literature retrieval by using China National Knowledge Infrastructure, Wanfang Data Knowledge Service Platform, PubMed and Web of Science. The languages of literatures were limited in Chinese and English. The key information of the literatures were collected and analyzed with Excel.Results:A total of 36 study papers (21 in Chinese and 15 in English) were included. The studies mainly focused on the pathogen surveillance of RFS ( n=19). The pathogens included measles virus, varicella-zoster virus, rubella virus, enterovirus, human B19 virus, dengue virus, streptococcus group A, Salmonella typhi and Salmonella paratyphoid,human herpesvirus, mumps virus and adenovirus. Eight studies were about the surveillance in major events, such as sport game, World Expo and religious gathering, or sudden natural disasters, such as earthquake and tropical storm, during 2010-2015. Eight studies focused on case or epidemic surveillance, most of which were studies from other counties. The surveillance sites were medical institutions. RFS was diagnosed according to the International Classification of Diseases, 9 th (ICD-9) and symptoms descripted in chief-complaint. Only one study in Mongolia conducted RFS epidemic prediction. The analysis methods of 36 papers included simple descriptive analysis, time-based early warning models (such as regression analysis, fixed threshold method, Hugh Hart control chart method and cumulative sum control chart method) and time series analysis method. Conclusions:In the future, RFS surveillance system should cover both known pathogens and emerging pathogens. Automatic surveillance using information capture and intelligent modelling can be applied to improve the sensitivity and specificity of RFS surveillance and early warning.

Medical and preventive integration effectively bridges the gap between "treating diseases" and "preventing diseases". Over the years, medical and preventive integration research has focused on chronic and chronic infectious diseases, with insufficient attention to acute ones. Confronting newly emerging infectious diseases establishing continuous monitoring, early warning, emergency response, and appropriate treatment will be a key focus for developing and reforming the healthcare system. Interoperability and sharing of medical and health data are essential prerequisites for bridging the gap between medical treatment and disease prevention and are also important for promoting intelligent surveillance and early warning of infectious diseases. Informatization is necessary to achieve efficient collaboration between medical treatment and disease prevention. Reviewing the development of medical and health informatization in the United States and Europe, this paper compares and discusses the problems and challenges in developing medical and health informatization in China. The aim is to provide references for the development of medical and health informatization and the innovation of medical and preventive integration mechanisms in the country.

Objective To explore the effects of different ventilation modes of tracheobronchial foreign body in children with fiberoptic operation under general anesthesia.Methods Sixty children (1ys≤ age≤3ys) undergoing fiberoptic bronchoscopy tracheal foreign body removal according to the combinations of different ventilation modes during and after fiberoptic bronchoscopy (FOB) procedures were divided into group A [volume control ventilation (VCV) + VCV,n =20],group B [pressure control ventilation (PCV) + VCV,n =20] and group C (PCV + PCV,n =20) randomly.The P mean,Pmax,and PetCO2 during and after fiberoptic bronchoscopy procedures were monitored.The SpO2,PaO2,and PaCO2 after mechanical ventilation 1.5 hours were recorded.Results Compared to group A,groups B and C had lower P max and P mean (P ＜ 0.05) during the FOB procedures.Compared to groups A and B,group C had a lower P max and P mean (P ＜0.01) after the FOB procedures.At the 1.5 hours after the procedure,all the children showed significant increase in SpO2 and PaO2 (P ＜ 0.05) and decrease in PaCO2 (P ＜ 0.05) in groups A,B,and C.Conclusions When fiberoptic bronchoscopy in tracheobronchial foreign body operation is applied in children undergoing general anesthesia,the pressure control ventilation (VCV) mode can decrease the pressure of airway (Paw) and PaCO2 than volume control mode during procedure.

Objective To investigate the effect of preoperative acute hypervolemic hemodilution with 6% hydroxyethyl starch 130/0.4(HES130/0.4)and polygeline on hemodynamic response and variance regularity of hemodynamic response in open-and close-thoracic cavity in undergoing thoracotomy patients. Methods Sixty patients undergoing thoracotomy,ASA physical status ⅠorⅡ,aged 20~65 yeansold,weighing 45~70kg,were randomly divided three group:HES130/0.4 group ( group A,n=20) ,Polygeline group ( group B,n=20) and Ringer's solution group (group C,n=20).They were respectively infused 20ml/ (kg?h) with HES130/0.4,polygeline and Ringer's solution in one hour before infuseing followed Ringer's 10ml/ (kg?h). The Blood Pressure (BP) and heart rate (HR) were recorded.RPP was calculated before induction(baseline),5min before and 10 min after open thoracic cavity,5min before and 10min after close thoracic cavity. And central venous pressure (CVP) was measured at immediately after deep venous puncture ,5min before and 10min after open thoracic cavity,5min before and 10min after close thoracic cavity. Results The changes of hemodynamics in Ringer's solution group in operation were obvious as compared with baseline before operation.HES130/0.4 and polygeline were relatively stable.Two groups had no significant difference.The CVP of HES130/0.4 and polygeline groups increased obviously before and after open thoracic cavity,but the blood pressure was relatively stable.Only systolic blood pressure increased obviously as compared with Ringer's solution group at 5min before open thoracic cavity. At 10min after open thoracic cavity,HR and CVP in three groups increased obviously as compared with 5 min before open thoracic cavity.At 5 min before close thoracic cavity,blood pressure and CVP in three groups decreased obviously as compared with 10 min after open thoracic cavity. Conclusion The preoperative acute hypervolemic hemodilution with HES 130/ 0.4 and polygeline in undergoing thoracotomy patients can keep hemodynamics more stable and improve tolerance of patients to withstand hypovolemics.

Objective To investigate the role of nuclear factor-kappa B(NF-?B) and monocyte chemoattractant protein-1(MCP-1) in the pathogenesis of uric acid nephropathy.Methods Twenty male SD rats were divided into control group(group C) and model group(group M).The model rats with uric acid nephropathy were made using adenine.Immunohistochemistry was used to detect the expressions of NF-?B and MCP-1 in 18 days and the serum uric acid and renal fuction were measured respectively.Results In comparison with group C,the expressions of NF-?B and MCP-1 in the rats of group M were significantly increased(all P

Objective:To reveal the action of psoriatic peripheral blood T lymphocytes on keratinocytes proliferation and the significance in the pathogenesis of psoriasis.Methods:Keratinocytes were cocultivated with psoriatic peripheral blood T lymphocytes in comparison with those cocultivated with normal T lymphocytes. Immunohistochemical technique was performed to detect the expression of Ki67, c-Myc and Bcl-xL proteins.Results:There were significant overexpression of Ki67, c-Myc and Bcl-xL proteins in keratinocytes cocultivated with psoriatic T lymphocytes compared with the uncocultivated group and normal T lymphocytes group. Expression of Ki67, c-Myc and Bcl-xL proteins in keratinocytes cocultivated with normal T lymphocytes were not significantly different from the uncocultivated group.Conclusion:Psoriatic T lymphocytes, which have specific activity, can induce keratinocytes abnormal pattern of proliferation. One of the important mechanisms might be its action on the expression of c-Myc and Bcl-xL proteins.