2.Evaluation of automatic ECG analysis in pediatric arrhythmia diagnosis
Yue QI ; Ying LIU ; Guanghui DONG
Chinese Pediatric Emergency Medicine 2008;15(2):119-121
Objective To investigate the accuracy of computer-assisted interpretation(CAI)in the diagnosis of pediatric critical arrhythmia,and to establish Logistic regression model to evaluate the main risk factors of CAI error.Methods 1147 cases of arrhythmia patients were divided into heart disease(HD)and nonheart disease group(NHD).Candidate risk factors were chosen,from which the vailables statistically significant were entered for logistic regression analysis.Results CAI error rate of HD group and NHD group were 24.9%and 11.4%,showing a significant difference(P<0.05).Age,underlying diseases,the number of CAI diagnosis entries were the risk factors.Conclusion CAI error pattern was different among HD group and the NHD group.Higher awareness for CAI error risk factors and CAI technology improvement are critical for a lower CAI error rate.
3.Effect of CsA on mitochondria stress after microperfusing glutamate and calcium into tree shrews' hippocampus
Ying ZHANG ; Shuqing LI ; Yue LIU
Chinese Journal of Pathophysiology 1986;0(03):-
AIM: To observe the changes of glutamate and calcium within the hippocampal microenvironment in mitochondrial stress.METHODS: A lateral hippocampus was microperfused with glutamate and calcium chloride solution by a kind of single-pumped push-pull perfusion system in Tree Shrews.At 24 h,the expression of cytochrome C(Cyt C)was observed by immunochemistry.Also,the hippocampus was removed,then mitochondria and cytoplasmic fragment were divided by low temperature centrifugation and the distribution of cytochrome C was assessed through Western blotting.The relative amounts of caspase-3 and caspase-9 mRNA were evaluated by real time fluorescence polymerase chain reaction.In the treated group,cyclosporin A(CsA,40 mg/kg) was intravascularly injected at 6 h after perfusion of glutamate-calcium chloride solutions into the hippocampus and inspected the above-mentioned items at 24 h.RESULTS: In the glutamate-calcium group,compared with the control group,cytochrome C immunoreactivity increased and the content of hippocampal mitochondrial cytochrome C decreased.Also,the cytochrome C was detected in cytosol.Cyclosporin A treatment at 6 h after microperfusion,the cytochrome C expression weakened and no Cyt C in cytosol fraction was observed.By real time PCR,in relation to the control group,the caspase-3 and caspase-9 mRNA was higher in the glutamate-calcium group.Cyclosporin A treatment cut down both caspase-3 and caspase-9 mRNA contents.CONCLUSION: The accumulation of glutamate and calcium may promote Cyt C release,caspase cascade activation and the mitochondrial stress.The neuroprotection of CsA may results from uniquely inhibiting the mitochondrial permeability transition pore,and preventing Cyt C release and caspase activation.
4.The opening of neuronal mitochondria permeability transition pore affects respiratory function during thrombotic cerebral ischemia in tree shrews
Ying ZHANG ; Shuqing LI ; Yue LIU
Chinese Journal of Pathophysiology 1986;0(01):-
AIM: The present study explored those changes in brain mitochondrial respiration in different times after thrombotic cerebral ischemia induced by photochemical reaction in primate's animal tree shrew and o bserved the effects of platelet-activating factor (PAF) receptor antagonist gin kgolide B (GB) and immunosuppressor cyclosporin A (CsA) on neuronal mitochondria l respiration and mitochondrial permeability transition pore(MPT) in twenty-four hours after occlusion and showed their neuronprotective mechanism and expatiate the relationship between mitochondrial respiration and MPT. METHODS: The focal thrombotic cerebral ischemia was formed by photochemistry-induce d technology in tree shrews. At 4,24,72 h after focal cerebral ischemia, the n euronal mitochondria were centrifuged. Clark oxygen electrode was used to measur e the changes in neuronal mitochondrial respiration.Pretreatment for experiment al animals with GB and CsA at 6h after occlusion, we centrifuged the mitochondri a and measured the changes in neuronal mitochondrial respiration at 24 h after o cclusion. In addition, experiments were performed in a flurometer by measuring CaCl 2 100 ?mol/L induced centrifuged mitochondrial swelling and GB or CsA were added at the same time. RESULTS: All of respiration state Ⅲ, RCR and P/O decreased after cerebral ischemia. There were significant difference s between every ischemic group and sham, especially at 24 h (P
5.Research of the Evaluation Model of Hospital Beds Utilization Efficiency Based on the Single Bed Work Efficiency
Ying LIU ; Jingtong WANG ; Yue ZHAO
Chinese Hospital Management 2017;37(4):35-37
Objective To investigate the application and feasibility of the single bed work efficiency in the evaluation of hospital beds efficiency,to establish the hospital beds efficiency evaluation model,in order to provide the basis for scientific and effective utilization and evaluation of beds.Methods Proposing the concept of single bed work efficiency,establishing a new evaluation model of bed efficiency,and analyzing the utilization of hospital beds in 2015.Results Single bed work efficiency is supenor to other indexes in evaluating the Utilization efficiency of hospital beds,and the new bed efficiency evaluation model is more objective and accurate.Conclusion The evaluation model of hospital beds utilization efficiency based on the single bed work efficiency is more comparable and operable,which can be widely used in hos pital delicacy management.
6.The analysis of possibility and methods of pathphysiological bilanguage teaching
Ying ZHANG ; Shuqing LI ; Yue LIU
Chinese Journal of Medical Education Research 2003;0(03):-
To discuss the possibility and methods of pathphysiological bilanguage teaching.The 350 juniors were surveyed by self-designed questionnaire about pathphysiological bilanguage teaching issues.Which appear that most students believe the pathphysiological bilanguage teaching is very important and they hope Chinese and English should be combined.It is necessary to carry out the pathphysiological bilanguage teaching at present,and at the same time explore an appropriate method through practical teaching work.
7.Effect of c-fos Antisense on Neuronal Apoptosis in Rats′ Brain with Pentyleneterazol-Induced Seizure
yue-ying, LIU ; bao-qiang, YUAN
Journal of Applied Clinical Pediatrics 2006;0(15):-
Objective To probe the effect of c-fos gene on the pentyleneterazol-induced hippocampal neurons apoptosis.Methods Using immunohistochemistry,TUNEL and flow cytometry(FCM),we detected the Fos expression and the apoptosis of hippocampal neurons;we injected c-fos antisense into ventrile before epilepsy and detected as up.Results Epilepsy can induce the expression of Fos in the hippocampus and peaking at 1 h(P
9.Correction of secondary deformity after removal of polyacrylamide hydrogel in breast
Dali MU ; Jie LUAN ; Lanhua MU ; Ying YUE ; Chunjun LIU
Chinese Journal of Medical Aesthetics and Cosmetology 2009;15(2):80-83
Objective To evaluate the methods of correction for secondary deformity after removal of polyacrylamide hydrogel in breast.Methods From June 2006 to December 2007,the Center of Breast Plastic and Reconstruction at Chinese Academy of Medical Sciences admitted and treated 36 patients who experienced deformity after polyacrylamide hydrogel remoral in breasts.The average age of the patients was 27.5 years,and the time of consultation for the correction was from 6 months postoperatively.The patients who had preoperative MRI examinations showed that no visible polyacrylamide hydrogel remained in the breast were included in the study.The patients were classified according to the deformity of the breast and the chest wall tissue.Autologous fat injection grafting,silicon gel implant augmentation,and dermis grafting were performed for treating the deformity of the breasts after polyacrylamide hydrogel removal.Results During 3 to 18 months follow-up,the shape of the breast was improved and no complications such as infection,the sclerotic nodules,implant exposure occurred.35(97.2%) patients were satisfied with the result of the operations.Conclusions The correction for secondary deformity of breast after removal of PAHG should be performed at least 6 months after removal of polyacrylamide hydrogel.The optimal and nature contour of the breast may be recovered by combination of various surgical methods which are carefully selected according to the individual situation.
10.The teaching strategy and evaluating efficacy in selective medical English course
Ying ZHANG ; Shuqing LI ; Yue LIU ; Fei LI ; Xia LI
Chinese Journal of Medical Education Research 2011;10(8):994-996
The lecture, role play, combination of team learning and self-directed learning, group presentation,these multiple pedagogies were adopted in the teaching of selective medical English course.The questionnaire result showed this multiple teaching strategy can foster the students' interest in medical English, enhance their awareness of active learning and increase the ir learning efficacy, which is an effective teaching model, and can be applied and promoted in the medical English teaching.