The new quality productivity characterized by digitization and intelligence injects new force into the high-quality development of emergency medicine, bringing unprecedented opportunities and challenges. This article analyzes the problems existing in the development of emergency medicine and proposes to utilize the improvement of new quality productivity as a way to break through the gap for high-quality development of emergency medicine. Digital intelligence is an important means to promote the development of new quality productivity. This article reviews the impact of digital intelligence construction on health warning monitoring, diagnosis and treatment, workflow, resource allocation, providing a reference for the high-quality development of emergency medicine.
Objective To assess the effectiveness and safety of traditional Chinese medicinal herbs for subfertility. Method Databases used including MEDLINE, EMBASE, CBM and the Cochrane Controlled Trial Register (CCTR). Potentially related trials in reference lists of studies were hand searched. Published RCTs in any languages and length whether they were blind or unblind, were included. Treatments were Chinese medicinal herbs (single or compound), and controls were placebo, standard medical intervention, or no intervention. Data were extracted independently by two reviewers and analyzed with Revman 4.2 softeware. Results 7 randomized trials, including 1 042 patients met inclusion criteria. Methodological quality of all trials was poor. Chinese medicinal herbs were effective compared with routine antibiotics [RR 1.49, 95％CI (1.37 to1.62), Plt;0.000 01] and resulted in higher pregnancy rate [RR 1.46, 95%CI (1.09 to,1.96), P=0.01]. There were no adverse events reported in treatment group. Conclusions Some Chinese medicinal herbs may be effective for subfertility. However, the evidence is too weak to draw a conclusion. More strictly designed, randomized, double-blind, placebo-controlled trials are required.
ObjectiveTo develop mobile phone terminal application software using artificial intelligence (AI) model of breast ultrasound so as to provide an opportunity for early diagnosis of patients with breast cancer irrespective of time and space. MethodsThe ultrasonic electronic images of patients underwent operation in the Department of Breast Surgery of West China Hospital of Sichuan University from January 2018 to April 2019 were collected. The neural network deep learning algorithm was used to train and test the breast ultrasonic electronic images at a ratio of 4∶1 to establish DeepBC model, and a mobile phone terminal application software was developed according to the trained DeepBC model, which included image reconstruction module, image classification module, and missed diagnosis module to identify and diagnose the uploaded ultrasonic electronic images. Results A total of 4 128 ultrasonic electronic images were collected in this study, including 3 302 in the training set and 826 in the test set. The accuracy, sensitivity, specificity, false positive rate, and false negative rate of the DeepBC model for the identification of malignant and non-malignant lesions in the breast ultrasound images were 93.70%, 93.10%, 94.08%, 5.92%, and 6.90%, respectively. The optimal cut-off value was 92.31% by receiver operating characteristic curve of DeepBC model and the area of receiver operating characteristic curve was 0.987. The DeepBC mobile phone terminal application software was developed according to the DeepBC model, and the web page was released in the mobile wechat. So far, more than 10 000 people had uploaded ultrasonic electronic images on the wechat web page, and the diagnosis had exceeded 30 000 times. ConclusionsIn this study, an AI DeepBC model is established successfully based on ultrasonic electronic images, each module of mobile phone terminal application software runs well and independently. And web page is simple and contents are easy to be comprehended.
China’s “15th Five-Year Plan” explicitly proposes the implementation of a health-prioritized development strategy, aiming to comprehensively enhance emergency medical care and response capabilities. In this context, the development of emergency medicine will face new opportunities and challenges. In order to provide theoretical and practical references for the high-quality development of emergency medicine, this paper analyzes the shortcomings in the identification and early warning of critical illnesses, the timeliness of emergency care, and emergency response capabilities in the development of emergency medicine in China. It reviews current practices with cutting-edge technologies in innovating diagnostic and monitoring techniques and equipment, optimizing and integrating resources, promoting interdisciplinary collaboration, and leveraging the complementary advantages of traditional Chinese and Western medicine. Furthermore, it outlines future development directions.
ObjectiveTo investigate the effectiveness of establishment of chest pain center and optimized process in the diagnostic and treatment progress and short-term prognostic value of acute non-ST segment elevation myocardial infarction (NSTEMI) patients. MethodsThis was a retrospective study. We included NSTEMI patients admitted in the Emergency Department in our hospital, 41 patients admitted before the establishment of the chest pain center (April 2015) were included as group A (30 males and 11 females at age of 64.7±11.8 years), 42 patients after the establishment of the chest pain center (April 2016) as group B (31 males and 11 females at age of 64.6±11.8 years), and 38 patients after the establishment of the chest pain center (April 2017) as group C (30 males and 8 females at age of 62.6±10.0 years). The clinical outcomes of the three groups were compared.ResultsThe time from admission to electrocardiogram was 20.0 (17.0, 25.5) min in the group A, 4.0 (2.8, 5.0) min in the group B, and 3.0 (2.0, 4.0) min in the group C (P<0.001). The first doctor's non-electrocardiogram advice time was 13.0 (10.0, 18.0) min, 9.5 (6.8, 15.3) min, and 9.0 (7.0, 12.0) min (P=0.001) in the three groups, respectively. The diagnostic confirmed time was 139.4±48.5 min, 71.1±51.5 min, 63.9±41.9 min (P<0.001). The proportion of patients receiving emergency dual anti-platelet load dose treatment was 53.1%, 70.0%, 100.0% (P=0.001), respectively. The time of receiving emergency dual anti-platelet load dose treatment was 208.0 (72.0, 529.0) min, 259.0 (91.0, 340.0) min, and 125.0 (86.0, 170.0) min (P=0.044) in the three groups, respectively. Emergency percutaneous coronary artery intervention (PCI) start time was 60.9 (42.1, 95.8) hours, 61.3 (43.3, 92.2) hours, 30.5 (2.8, 44.1) hours (P<0.001) in the three groups, respectively. Among them, the moderate risk patients’ PCI starting time was 63.0 (48.1, 94.2) hours, 62.3 (42.1, 116.2) hours, and 40.1 (17.2, 60.4) hours (P>0.05), respectively. The high risk patients’ PCI starting time was 47.9 (23.7, 102.4) hours, 55.2 (44.0, 89.6) hours, 23.2 (1.7, 41.8) hours in the three groups, respectively (P<0.001). The hospitalization time of the patients was 7.0 (5.4, 9.4) days, 5.9 (4.9, 8.7) days, 4.7 (3.1, 6.2) days in the three groups (P<0.001), respectively. The hospitalization time of the moderate risk patients was 6.9 (4.9, 8.8) days, 6.4 (4.9, 8.0) days, 4.8 (3.2, 6.5) days in the three groups (P>0.05), respectively. The hospitalization time of the high risk patients was 7.1 (5.5, 9.9) days, 5.9 (4.6, 9.8) days, and 4.4 (3.0, 6.1) days, respectively (P<0.001). The fatality rate of inpatients was 4.9%, 0.0%, and 0.0%, respectively (P>0.05). The correlation coefficient of hospitalization time, diagnosis confirmed time and PCI starting time was 0.219 and 0.456 (P<0.05), respectively.ConclusionThe establishment and optimized process of chest pain center can accelerate the time of early diagnosis of NSTEMI, which is helpful to obtain stratified and graded standardized treatment for patients according to their conditions, to accelerate the specific treatment process of high risk NSTEMI patients, and shorten the hospitalization time.
During the prevention and control of coronavirus disease 2019, West China Hospital of Sichuan University urgently set up 4 medical tents to conduct centralized screening of fever patients, effectively avoiding cross-infection, and at the same time alleviating the pressure on the Department of Emergency Medicine and improving the efficiency of medical treatment for patients with fever. Later, in order to actively respond to China’s severe acute respiratory syndrome coronavirus 2 nucleic acid detection policy, 5 tents were adjusted to carry out the severe acute respiratory syndrome coronavirus 2 nucleic acid detection. This article introduces the function setting, personnel arrangement and protective measures of medical tents in West China Hospital of Sichuan University during the prevention and control of coronavirus disease 2019. It aims to share the experience of urgently setting up medical tents in the prevention and control of coronavirus disease 2019, with a view to provide a reference for the construction of medical tents in other medical institutions.
ObjectiveTo analyze the effect of mitochondrial ultrastructural changes caused by morphine toxicity on abnormal discharge of cat cerebral cortex, and to explore the possible mechanism of brain function damage caused by morphine dependence.MethodsTwelve domestic cats were divided into control group (3 cats) and morphine exposed group (9 cats) according to the method of random number table. After the model was successfully established by the method of dose increasing, the changes of mitochondrial ultrastructure of cortical neurons were observed under the electron microscope.ResultsElectroencephalogram (EEG) monitoring in morphine exposed group showed that the cortical EEG was widely abnormal, physiological waves were reduced, and abnormal discharges were frequent. And the electron microscopy showed that the number, morphology, internal membrane structure and the inclusion body in the matrix of neurons changed in various aspects. The EEG and electron microscopy of the control group were normal.ConclusionMorphine can damage neurons in the cerebral cortex and lead to abnormal discharge, which is closely related to the ultrastructural changes of neuron mitochondria. The toxicity of morphine mitochondria can be the initial mechanism of energy metabolism dysfunction of brain cells and eventually lead to the disorder of brain electrophysiological function.
目的 探討床旁超聲在重癥監護治療決策中的價值及應用方案。 方法 回顧2010年6月－2012年2月期間床旁超聲應用情況及提供的信息對治療決策的影響及臨床效果，總結重癥診治臨床實踐中可行的應用方案。 結果 研究期間共使用床旁超聲219例次，其中血流動力學監測（評估心臟前負荷、收縮力）41例次，低氧原因檢查45例次，血栓篩查19例次，胎心監測22例次，引導深靜脈穿刺48例次，引導胸、腹腔穿刺及置管37例次，引導動脈置管4例次，氣道情況檢查3例次。循環監測中經驗判斷容量準確性為63.4%，床旁超聲能提供85.4%的正確信息，其中糾正了13例臨床經驗判斷錯誤（31.7%），明顯提高了診斷正確率（P＜0.05）；低氧原因判斷中臨床判斷正確率62.2%，超聲檢查能提供86.7%的正確信息，發現16例臨床經驗判斷錯誤，糾正錯誤判斷35.6% （P＜0.05）。 結論 床旁超聲能很好地協助重癥醫學科醫生提高臨床判斷準確性，控制醫療風險。
ObjectiveTo explore the efficacy of using a single branch stent-graft to treat primary intramural hematoma located at the distal arch or descending aorta in Stanford A type aortic intramural hematoma. MethodsFrom July 2020 to November 2022, 10 patients with primary intramural hematoma of Stanford A type aortic intramural hematoma were treated with endovascular repair using a single branch stent-graft in the Department of Cardiovascular Surgery at The University of Hong Kong-Shenzhen Hospital. There were 9 males and 1 female, aged from 32 to 66 years, with a mean age of (47.0±10.4) years. All patients had intramural hematoma involving the ascending aorta and aortic arch, diagnosed as type A intramural hematoma, with the tear located in the descending aorta. Among them, 6 patients were complicated by ulceration of the descending aorta with intramural hematoma, and 4 patients had changes of the descending aortic dissection. All patients underwent endovascular stent repair, with 8 patients undergoing emergency surgery (≤14 days) and 2 patients undergoing subacute surgery (15 days to 3 months). Results There were no neurological complications, paraplegia, stent fracture or displacement, or limb or visceral ischemia during the perioperative period in all patients. One patient had continuous chest pain after surgery, and the stent had a new tear at the proximal end, requiring ascending aorta and partial arch replacement. As of the latest follow-up, all patients had obvious absorption or complete absorption of the intramural hematoma in the ascending aorta and aortic arch compared with before the operation. ConclusionSingle branch stent-graft treatment of retrograde ascending aortic intramural hematoma is safe and effective, with good short-term results.
Objective To investigate the protective mechanism of ulinastatin（UTI） in pulmonary microvascular endothelial cells （PMVECs） attacked by serum from the patients with severe sepsis. Methods PMVECs were cultured in vitro and randomly divided into 4 groups，ie. a normal group （culture medium with 10% fetal bovine serum，group N），a health group （culture medium with 10% healthy human serum，group H），a patient group （culture medium with 10% human septic shock serum，group S），and a ulinastatin group （culture medium with 1000 U/mL UTI and 10% human septic shock serum，group U）. The proliferation activity of PMVECs was measured by MTT expressed by optical density （OD）. The concentration of TNF-α in supernatant of culture medium was examined by ELISA at 0，1，2，4，6 hours. The expression of NF-κB was examined by immunohistochemistry at 1 hour. Results Compared with group N，the cell proliferation activity of group S decreased significantly，and the cell proliferation activity of group U decreased slightly at each time poi nt. Compared with group N，the cell proliferation activity of group S and group U at 1，4，6 hours were significant different （Plt;0.05 ）. Compared with group S，the cell proliferation activity of group U at 1，2，6 hours increased significantly （Plt;0.05）. Obviously positive expression of NF-κB in PMVECs could be seen in group S，a little positive expression in group S，and no expression in group N and group H. Compared with group N，the TNF-α levels of group S and group U increased significantly at each time point with significant differences （Plt;0.01）. Compared with group S，the TNF-α levels were significantly reduced at each time point in group U （Plt;0.01）. Conclusions UTI can reduce the release of TNF-α by inhibiting NF-κB activation，thus reduce PMVECs injury attacked by serum from severe sepsis patients.