1.HDCT and Its Clinical Application
Yong JIANG ; Minguang XU ; Baoyue QIU
Chinese Medical Equipment Journal 1989;0(01):-
The number of detector rows has been the focus of the CT development for decades.During the last decade,CT development has reached a threshold which is represented by coverage,mechanics,resolution and dosage.In order to break this bottleneck,two further development directions have been shown in recent years,of which,one is to increase the number of the detector rows,and the other is to revolutionize the material of detector to explore new clinical applications.Generally,HDCT opens the new era for whole CT modality,bringing the radiologists the high-resolution image,spectral imaging,large coverage and low dosage application.
2.Discussion on check & acceptance of medical equipment
Minguang XU ; Yong JIANG ; Yunhong XIE
Chinese Medical Equipment Journal 2004;0(09):-
The check & acceptance is an important component of medical equipment management,and it is the key to guarantee the quality,application and safety of medical equipment.In this article,we introduce some methods to check & accept the medical equipment according to our own experience.
3.The design of a cardiac monitor able to measure QRS parameter
Yong JIANG ; Minguang XU ; Baoyue QIU
Chinese Medical Equipment Journal 1989;0(04):-
Based an ordinary ECG, this paper deals with a portable monitor system able to measure the values of QRS. With a liquid crystal display (LCD), this monitor is suitable for China's special condition. Besides developing the overall scheme of the system, this paper also performs the designs for the hardware and software. The 80196 single chip microcomputer is taken as the central microprocessor to process and analyze the realtime ECG signals. With the performances of the ordinary monitor, this monitor also has such functions as arrhythmia analysis, HRV analysis, alarm, self-freeze and paper self-advance. Being convenient to carry, this monitor can be powered by alternate current (AC) or direct current (DC). Stability, low power consumption and low cost are emphasized on in the hardware design and structured design is applied to the software design. With a high versatility and a low cost, this monitor has a valuable reference to China's monitor.
4.Effect of Guizhi Decoction on cardiac muscular collagen reconstruction in spontaneous diabetes rats
Xiao LI ; Ping JIANG ; Yunsheng XU ; Yong ZHANG ; Yuehua JIANG
China Journal of Traditional Chinese Medicine and Pharmacy 2005;0(08):-
Objective:This study was to study effect of keeping ying and weiqi in balance on cardiac muscular collagen Ⅰ,collagen Ⅲ,angiotensinⅡ in spontaneous diabetes rats,and provide new thoughts for prevention and treatment for diabetic cardiomyopathy.Methods:40 spontaneous diabetes rats were divided into four groups at random:spontaneous diabetes control group,diformin group,Guizhi Decoction group and Huanglian Jiedu Decoction group.Except control group,each group was given intragastric administration for 12weeks.Blood glucose,collagenⅠ,collagen Ⅲ,collagenⅠ/collagen Ⅲ,angiotensin Ⅱ were determined.Euzymelinked immunosorbent assay and radio-immuniy method were used.Results:Blood glucose in Huanglian Jiedu Decoction group and diformin group decreased;Compared respectively with diformin group and control group,collagenⅠdecreased obviously and collagen Ⅲ increased signifi cantly in Guizhi Decoction group,and the collagenⅠ/collagen Ⅲ decreased.Compared with diformin group and control group,cardiac muscular homogenate AT-Ⅱ contents decreased in both of Guizhi Decoction group and Huanglian Jiedu Decoction group.Conclusion:Guizhi Decoction can decrease the content of collagen Ⅰ,AT-Ⅱ and collagenⅠ/collagen Ⅲin cardiac muscular,and increase content of collagen Ⅲ,then prevent and treat cardiac muscular collagen reconstruction and myocardial fibrosis.Huanglian Jiedu Decoction can decrease the content of AT-Ⅱ,and decrease collagenⅠ/ collagen Ⅲ,collagenⅠ slightly,and can improve cardiac muscular collagen reconstruction.Keeping ying and weiqi in balance is a new thought for prevention and treatment for diabetic cardiomyopathy.
5.Effect of high glucose environment on the NF-κB/Iκ B signal pathway in cultured rat glomerular mesangial cell and its mechanism
Ling XU ; Jia LI ; Lan JIANG ; Yong XU ; Haihua ZHONG
Chinese Journal of Endocrinology and Metabolism 2010;26(2):152-154
To explore the effect of high glucose on the NF-κB/IκB signal pathway in cultured rat glomerular mesangial cells. The results showed that high glucose increased the degradation of IκB-α and the translocation to nucleus of NF-κB. These changes could be reverted mostly by MG132, a proteasome inhibitor. It suggests that the activation of the NF-κB signal pathway by high glucose concentration may probably be via the ubiquitin-proteasome pathway.
6.Diagnostic value of MSCT in nasal septum fracture.
Yong-bin HE ; Wei-guo JIANG ; Bing XU
Chinese Journal of Otorhinolaryngology Head and Neck Surgery 2005;40(11):870-871
Adolescent
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Adult
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Child
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Female
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Humans
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Male
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Nasal Septum
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injuries
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Skull Fractures
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diagnostic imaging
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Tomography, Spiral Computed
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Young Adult
7.Effect of video-assisted thoracoscopic operation on postoperative cardiopulmonary complications in elderly patients with non-small cell lung cancer
Weihua XU ; Yongbing CHEN ; Kanqiu JIANG ; Yongyue QIAN ; Yong PENG
Chinese Journal of Geriatrics 2015;34(5):510-511
Objective To compare the incidence of cardiopulmonary complications between treatment of video assisted thoracoscopic operation and traditional thoracotomy operation in elderly patients with non-small cell lung cancer.Methods 122 cases of elderly patients with non small cell lung cancer were treated in our hospital from Mar 2010 to Jun 2014,and randomly divided into observation group (therapeutic lobectomy by video assisted thoracoscopic operation) and control group (therapeutic lobectomy by traditional thoracotomy operation) (n=61,each).The postoperative cardiopulmonary complications and relevant indexes of cardiopulmonary function were analyzed and compared between the two groups.Results Before operation,there was no significant difference in the relevant indexes of cardiopulmonary function between the two groups (P>0.05).After operation,the forced expiratory volume in one second (FEV1) and maximal ventilatory volume (MMV) were higher and the heart rate was lower in observation group than in control group (t=3.682,2.243,5.677,all P<0.05).The incidence of cardiopulmonary complication was lower in observation group than in control group (13.1% vs.27.9%,x2 =4.075,P=0.044).Conclusions Video assisted thoracoscopic operation is better for the recovery of cardiopulmonary function,and can reduce cardiopulmonary complication in elderly patients with non-small cell lung cancer.
8.Establishment of a simulation model for mandibular third molar extraction
Huimin CHEN ; Yong JIANG ; Tongkai XU ; Enbo WANG
Journal of Practical Stomatology 2016;32(2):244-247
Objective:To establish a model of mandibular impact third molar extraction with common dental materials for pre-clinical trai-ning.Methods:Based on the characteristics of the common dental materials,the anatomy and extraction skill of mandibular impact third molar,the dental model for mandibular impact third molar extraction was designed and made.Then,this dental model was placed in the head-simulation model as required,and used by the dentists and the students.The questionnaire was designed and used to evalu-ate the effects of the model.Results:A new method of designing and making a dental model for mandibular impact third molar extraction with the common dental materials was established successfully.The questionnaire results showed that all the dentists and students agreed that this model could simulate the mandibular third molar extraction procedure.Conclusion:Simulation model of the mandibular third molar extraction can help students for the following clinical practice.
9.Discussion on How to Equip Backup Power for Medical Equipment in Hospital
Minguang XU ; Hongyan GUO ; Yunhong XIE ; Yong JIANG
Chinese Medical Equipment Journal 1993;0(05):-
Backup power should be equipped in hospitals in order to prevent the medical risks.At present,there are three choices of the backup power including UPS,EPS and diesel generator.The principles of three backup powers are introduced.Methods for equipping backup power are also discussed to guarantee the security of power supply system for emergency medical equipment.
10.Effect of Chlorpyrifos and Cypermethrin on Cytochrome P450 Activity in Mice
Yong CUI ; Jiang-Feng GUO ; Bu-Jin XU ; Al ET ;
Journal of Environment and Health 2007;0(09):-
0.05).Chlorpyrifos increased the activity of CYP1A1 in lungs,CYP2B1 in kidneys and lungs.Cypermethrin increased activity of CYP1A1 in livers,kidneys and lungs,CYP2B1 in livers and lungs,CYP3A in livers.These increases were statistically significant (P