1.Hotspots and trends in research of domestic and foreign health information management
Cheng XIE ; Yuchen LI ; Shijing ZHANG
Chinese Journal of Medical Library and Information Science 2017;26(7):13-20
The papers on domestic and foreign health information management covered in CNKI and Web of Science from 2011 to 2016 were retrieved.The hotspots and trends in its researches were identified by visual analysis, which showed that they were consistent in hospital information system, information technology and electronic medical records, the whole development level was higher and the involved range was wider and deeper in foreign researches on health information management than in domestic researches on health information management, the connotation of subjects due historical reasons and the key points in foreign researches on health information management were different from those in domestic researches on health information management.
2.Expression of Cell Cycle Related Factors Cyclin D1,CDK4,P16~(MTS1) and PRb in Condyloma Acuminatum
Fu DAI ; Maorong ZHENG ; Jin GUO ; Yuchen XIE ; Wenli LIU ; Zhaoping LV ; Li HE ; Dongju SUN ;
Chinese Journal of Dermatology 1995;0(04):-
Objective To investigate the expression and im plication of cell-cycle related factors(Cyclin D1,CDK4,P16 MTS1 and PRb)in condyloma acuminatum(CA).Methods The expression and distribution of cyclin D1,CDK4,P16 MTS1 and PRb were detected by immunohisto chemical technique streptavidin peroxidase(SP)in 27cases of HPV6/11positive CA that were confirmed by PCR and 10cases of norm al skins(foreskins).Results①Cyclin D1was not expressed in both normal skin and lesions of CA.②The intensity of expression of CDK4was 2.19in the basal cells in the lesions of CA,which was significantly weaker than that in normal skin(4.8,P
3.Effect of phentolamine on N terminal B-type natriuretic peptide precursor,blood gas analysis,hypersensitive c-reactive protein and plasma D-dimer in patients with chronic cor pulmonale
Xiaoqing HAN ; Yuchen JIANG ; Baoquan XIE ; Tienan LIU ; Chuntao WU ; Lirui LI ; Chao HUANG ; Lingling HU ; Haochen WANG ; Hongyang WANG
Clinical Medicine of China 2017;33(4):292-295
Objective To observe the influence of phentolamine on N terminal B-type natriuretic peptide precursor(NT-proBNP),blood gas analysis,hypersensitive c-reactive protein and plasma D-dimer in patients with chronic cor pulmonale Methods One hundred and one cases patients with chronic cor pulmonale were randomly divided into two groups,51 patients in the treatment group,50 patients in the control group.All patients were treated with normal anti-infection,eliminating phlegm to smooth wheezing antithrombotic for one week,as the same time patients in the treatment group were treated with phentolamine for one week.Through observed the treatment effect of phentolamine to chronic cor pulmonale,the level of NT-proBNP,blood gas analysis,hypersensitive c-reactive protein and plasma D-dimer in patients with chronic cor pulmonale before and after the treatment were analyzed.Results Compared with before treatment,the levels of NT-proBNP,PCO2,hypersensitive c-reactive protein,plasma D dimer were lower than after one week in two groups,while the level of PO2 was higher.Treatment group:NT-proBNP (1 712.76±572.32) ng/L vs.(271.59±163.05) ng/L,t=20.42,P<0.05,PCO2 (66.34±5.81) mmHg vs.(52.58±5.82) mmHg,t=16.46,P<0.05,PO2 (59.28±6.13) mmHg vs.(73.64±6.10) mmHg,t=23.02,P<0.05,hypersensitive c-reactive protein 86.0(28.0) mg/L vs.23.0(12.0) mg/L,Z=-6.22,P<0.05 mg/L,plasma D-dimer (4 953.37±1 654.09) μg/L vs.(1 847.90±838.66) μg/L,t=17.11,P<0.05.Control group:NT-proBNP (1 527.24±658.70) ng/L vs.(612.58±357.59) ng/L,t=14.52,P<0.05,PCO2 (65.41±5.23) mmHg vs.(56.46±5.65) mmHg,t=13.04,P<0.05,PO2(60.57±5.84) mmHg vs.(67.21±5.19) mmHg,t=-10.06,P<0.05,hypersensitive c-reactive protein 79.0(29.0) mg/L vs.43.0(20.0) mg/L,Z=-6.16,,P<0.05,plasma D-dimer (4 408.02±1 682.83) μg/L vs.(2 598.28±1 242.73) μg/L,t=12.15,P<0.05.But the levels of NT-proBNP,PCO2,hypersensitive c-reactive protein and plasma D-dimer reduced significantly,the level of PO2 increased more significantly in treatment group(t(z)=-6.19,-3.39,-7.16,-3.56,5.70,all P<0.05).Conclusion Phentolamine can reduce the level of NT-proBNP,PCO2,hypersensitive c-reactive protein and plasma D-dimer and increased the level of PO2 in patients with chronic cor pulmonale.Phentolamine combined with routine treatment can improve the clinical efficacy of patients with chronic cor pulmonale.
4.Analysis of Risk Factors for Carbapenem-resistant Acinetobacter baumannii Infection in a Third Grade Class A Teaching Hospital
Yuchen LI ; Ying LI ; Jiao XIE ; Yalin DONG
China Pharmacy 2018;29(7):984-986
OBJECTIVE:To study risk factors for carbapenem-resistant Acinetobacter baumannii(CRAB)infection,and to provide reference for its clinical prevention. METHODS:In retrospective study,302 A. baumannii(AB)infection patients were collected from our hospital during Dec. 2012 to Jun. 2017. According to the results of drug sensitivity test,those patients were divided into CRAB group(116 cases)and non-CRAB group(186 cases). Risk factors for CRAB infection were analyzed by using univariate analysis. Multivariate Logistic regression analysis was performed for variables with significant difference between 2 groups. RESULTS:Univariate analysis showed that the factors of significant difference in 2 groups including patients suffering from septic shock(P=0.003),sepsis(P=0.000),combined with other infection(P=0.006),diabetes(P=0.029),malignant tumors(P=0.036),patients suffering from infection of other site except for pulmonary infection,intraabdominal infection and skin infection(P=0.009)before AB isolation,patients given carbapenems(P=0.002)and antifungal drugs 28 d before AB isolation(P=0.002). Multivariate Logistic regression analysis showed that the factors of significant difference in 2 groups including patients suffering from sepsis(P=0.033)or diabetes(P=0.011)before AB isolation. CONCLUSIONS:Independent risk factors for CRAB infection include patients suffer from sepsis or diabetes before AB isolation.
5.The evolution of robotics:research and application progress of dental implant robotic systems
Liu CHEN ; Liu YUCHEN ; Xie RUI ; Li ZHIWEN ; Bai SHIZHU ; Zhao YIMIN
International Journal of Oral Science 2024;16(2):173-185
The use of robots to augment human capabilities and assist in work has long been an aspiration.Robotics has been developing since the 1960s when the first industrial robot was introduced.As technology has advanced,robotic-assisted surgery has shown numerous advantages,including more precision,efficiency,minimal invasiveness,and safety than is possible with conventional techniques,which are research hotspots and cutting-edge trends.This article reviewed the history of medical robot development and seminal research papers about current research progress.Taking the autonomous dental implant robotic system as an example,the advantages and prospects of medical robotic systems would be discussed which would provide a reference for future research.
6.Rapamycin improves learning and memory ability in ICR mice with pilocarpine-induced temporal lobe epilepsy.
Huadan ZHANG ; Yacong XIE ; Ling WENG ; Yuchen ZHANG ; Qiongyao SHI ; Tao CHEN ; Linghui ZENG
Journal of Zhejiang University. Medical sciences 2013;42(6):602-608
OBJECTIVETo investigate the effect of rapamycin, an mTOR inhibitor, on learning and memory ability of mice with pilocarpine (PILO)-induced seizure.
METHODSOne hundred and sixty male adult ICR mice were randomly grouped as vehicle control (n=20), rapamycin control (n=20), PILO model (n=40), rapamycin pre-treatment (n=40) and rapamycin post-treatment (n=40). PILO model and rapamycin treatment groups were injected with PILO to induce temporal lobe seizure. Rapamycin was administrated for 3 days before or after seizure. Morris water maze, Y maze and open field were used for the assessment of learning and memory, and FJB and Timm staining were conducted to detect the neuronal cell death and mossy fiber sprouting, respectively.
RESULTSNo significant cell death was observed in the mice with PILO-induced seizure. The learning and memory were impaired in mice 7 to 10 days after PILO-induced seizure, which was evident by prolongation of avoiding latency (P<0.05), decrease in number of correct reaction (P<0.01) and number of crossing (P<0.05). Treatment with rapamycin both pre-and post- PILO injection reversed seizure-induced cognitive impairment. In addition, rapamycin inhibited the mossy fiber sprouting after seizure (P<0.001).
CONCLUSIONRapamycin improves learning and memory ability in ICR mice after PILO-induced seizure, and its mechanism needs to be further studied.
Animals ; Cell Death ; drug effects ; Disease Models, Animal ; Epilepsy ; chemically induced ; drug therapy ; Learning ; drug effects ; Memory ; drug effects ; Mice ; Mice, Inbred ICR ; Neurons ; drug effects ; pathology ; Pilocarpine ; toxicity ; Sirolimus ; pharmacology
7.The study of automatic treatment planning of prostate cancer based on DVH prediction models of organs at risk
Jieping ZHOU ; Zhao PENG ; Yuchen SONG ; Xi PEI ; Liusi SHENG ; Aidong WU ; Hongyan ZHANG ; Liting QIAN ; Xie XU
Chinese Journal of Radiation Oncology 2019;28(7):536-542
Objective To evaluate the feasibility of utilizing dose-volume histogram (DVH) prediction models of organs at risk (OARs) to deliver automatic treatment planning of prostate cancer.Methods The training set included 30 cases randomly selected from a database of 42 cases of prostate cancer receiving treatment planning.The bladder and rectum were divided into sub-volumes (Ai) of 3 mm in layer thickness according to the spatial distance from the boundary of planning target volume (PTV).A skewed normal Gaussian function was adopted to fit the differential DVH of Ai,and a precise mathematical model was built after optimization.Using the embedded C++ subroutine of Pinnacle scripa,ahe volume of each Ai of the remaining validation set for 12 patients was obtained to predict the DVH parameters of these OARa,ahich were used as the objective functions to create personalized Pinnacle script.Finalla,automatic plans were generated using the script.The dosimetric differences among the original clinical plannina,aredicted value and the automatic treatment planning were statistically compared with paired t-test.Results DVH residual analysis demonstrated that predictive volume fraction of the bladder and rectum above 6 000 cGy were lower than those of the original clinical planning.The automatic treatment planning significantly reduced the V70,V60,V50 of the bladder and the V70 and V60 of the rectum than the original clinical planning (all P<0.05),the coverage and conformal index (CI) of PTV remained unchangea,and the homogeneity index (HI) was slightly decreased with no statistical significance (P> 0.05).Conclusion The automatic treatment planning of the prostate cancer based on the DVH prediction models can reduce the irradiation dose of OARs and improve the treatment planning efficiency.
8.Gallic Acid Ameliorates Cognitive Impairment Caused by Sleep Deprivation through Antioxidant Effect
Xiaogang PANG ; Yifan XU ; Shuoxin XIE ; Tianshu ZHANG ; Lin CONG ; Yuchen QI ; Lubing LIU ; Qingjun LI ; Mei MO ; Guimei WANG ; Xiuwei DU ; Hui SHEN ; Yuanyuan LI
Experimental Neurobiology 2023;32(4):285-301
Sleep deprivation (SD) has a profound impact on the central nervous system, resulting in an array of mood disorders, including depression and anxiety. Despite this, the dynamic alterations in neuronal activity during sleep deprivation have not been extensively investigated. While some researchers propose that sleep deprivation diminishes neuronal activity, thereby leading to depression. Others argue that short-term sleep deprivation enhances neuronal activity and dendritic spine density, potentially yielding antidepressant effects. In this study, a two-photon microscope was utilized to examine the calcium transients of anterior cingulate cortex (ACC) neurons in awake SD mice in vivo at 24-hour intervals. It was observed that SD reduced the frequency and amplitude of Ca2+ transients while increasing the proportions of inactive neurons. Following the cessation of sleep deprivation, neuronal calcium transients demonstrated a gradual recovery. Moreover, whole-cell patch-clamp recordings revealed a significant decrease in the frequency of spontaneous excitatory post-synaptic current (sEPSC) after SD. The investigation also assessed several oxidative stress parameters, finding that sleep deprivation substantially elevated the level of malondialdehyde (MDA), while simultaneously decreasing the expression of Nuclear Factor erythroid 2-Related Factor 2 (Nrf2) and activities of Superoxide dismutase (SOD) in the ACC. Importantly, the administration of gallic acid (GA) notably mitigated the decline of calcium transients in ACC neurons. GA was also shown to alleviate oxidative stress in the brain and improve cognitive impairment caused by sleep deprivation. These findings indicate that the calcium transients of ACC neurons experience a continuous decline during sleep deprivation, a process that is reversible. GA may serve as a potential candidate agent for the prevention and treatment of cognitive impairment induced by sleep deprivation.
9.Construction of sports biomechanical models and study on joint angle changes in rolling manipulation
Yanmei ZHANG ; Hailiang XIE ; Qun LU ; Guanyu HU ; Yuchen WANG ; Wei QI
Journal of Beijing University of Traditional Chinese Medicine 2018;41(4):349-352
Objective To explore kinetic and motion characteristics of the upper extremity joints and establish a more systematic and comprehensive evaluation system of tuina. Methods Two groups of participants (n=10 in the expert group; n =10 in the student group) were recruited to record and analyze their rolling manipulation on 3 link joints (upper arm, forearm, hand) and 3 joints (shoulder joint,elbow joint,wrist joint). A multi-rigid-body sports biomechanical model was established by using motion capture system. Real-time data throughout the process was collected; Work-station software was used to analyze the data. Results The established multi-rigid-body sport biomechanical model of 3 link joints and 3 joints with definite marker point could be used to describe rolling motion characteristics. In the extension phase of rolling manipulation, elbow extension degree and forearm rotation angle was 38.304 ± 1.776°and 58.706 ± 1.675°in the expert group;18.199 ± 1.675°and 42.556 ± 2.812°in the student group, respectively. The differences were both significantly different (P <0.05). The wrist flexion degree in the experts group was 79.516 ± 1.654°, and 78.451 ± 2.110° in the student group,which was not significantly different (P >0.05). Conclusion The established 3-link 3- joint multi-rigid-body sport biomechanical model of rolling manipulation can simulate the spatial motion relation of each joint in the study of tuina manipulation,clarify the movement displacement and determine the space angle,which is suitable for the study of tuina techniques.
10.Research advances of debriefing methods in scenario stimulation teaching
Ruoxi HE ; Chengping HU ; Jing WU ; Min LI ; Yuanyuan LI ; Siping XIE ; Meihua XU ; Xiaobin CHEN ; Ying HUANG ; Yuchen HE
Chinese Journal of Medical Education Research 2022;21(12):1648-1652
Based on the latest results of international researches, combining with the experiences of our team in the simulation of acute dyspnea, Xiangya Hospital Central South University has summarized 7 characteristics, procedures and methods of debriefing, including that immediate feedback happens after simulation; feedback is provided by a trained instructor with clinical experience; feedback time is at least longer than the simulation time; various international methods of feedback can be used; the content of feedback is the learning objective; oral feedback is preferred; video can be used to review the details. The study aims to provide a theoretical basis for debriefing in domestic scenario stimulation teaching, and finally improve the effectiveness of the scenario stimulation teaching.