1.Comparison of resuscitation by hyperosmotic salt fluid through intraosseous and peripheral intravenous infusion
Mei ZHANG ; Meifang YAO ;
Academic Journal of Second Military Medical University 1985;0(06):-
Objective:To observe the effect of combining intraosseous infusion (IO) and hyperosmotic salt fluid in resuscitation of haemorrhagic shock. Methods:Twenty rabbit models of haemorrhagic shock were established. The blood pressure, heart rate, biochemical indexes, artery blood gas analysis, etc . were compared at 3 different time points after infusion between IO and peripheral intravenous infusion groups. Results:The resuscitative effect through IO with hyperosmotic salt fluid was the same as that of the peripheral vascular access. Conclusion:The combination of intraosseous infusion and hyperosmotic salt fluid is effective for resuscitation of haemorrhagic shock.
2.Analysis and treatment of abnormal results of Sysmex CA-1500 automated coagulation analyzer
Xiujuan YAN ; Meifang ZHANG ; Xuehong ZHANG
International Journal of Laboratory Medicine 2014;(9):1181-1182
Objective To analyze the parametric errors during the use of Sysmex CA-1500 automated coagulation analyzer and their treatment measures .Methods Blood samples with test results showing “*”and without figure results were collected .Sysmex CA-1500 automated coagulation analyzer was employed to retest prothrombin time (PT ) ,activated partial thromboplastin time (APTT) and fibrinogen(FIB) .Results FIB ,PT and APTT were found abnormal in 226 cases(95 .77% ) ,5 cases(2 .12% ) and 5 cases(2 .12% ) ,respectively ,with FIB the mainly .ERR008 ,ERR004 ,ERR016 ,ERR002 ,ERR032 and ERR100 were found abnormal in 227 cases(76 .95% ) ,64 cases(21 .69% ) ,one case(0 .34% ) ,one case(0 .34% ) ,one case(0 .34% ) and one case(0 .34% ) ,respec-tively ,with ERR008 the mainly .Difference of no-error results between the initial and repeat test of PT and APTT showed no statis-tical significance(P>0 .05) ,while those of FIB demonstrated statistical significance (P<0 .01) .Conclusion Samples with paramet-ric errors during the use of Sysmex CA-1500 automated coagulation analyzer should be retested to promote the quality of blood co-agulation detection .
3.Research on primary culture model of pancreatic islets in rats
Yali ZHANG ; Meifang XIAO ; Huanran TAN
Chinese Journal of Clinical Pharmacology and Therapeutics 2004;0(11):-
AIM: To develop a simple, convenience, and inexpensive method on primary culture model of pancreatic islets in rats for the study of anti-diabetic drugs. METHODS: The pancreases of SD rats were separated from the pancreatic duct with cold Hank' s solution and picked. Then the pancreases were cut into pieces and repeatedly digested by collagenase at 37℃ for the short durations of the experiment. The isolated islets were identified by dithizone staining and the viability was evaluated by trypan blue staining. Pancreatic islets were incubated in RPMI 1640 or DMEM for 14 - 16 h, then they were transferred to new culture plates with the same medium mentioned above. Determination of insulin content of su-pernate and cell lysate and the experiment of insulin secretion by stimulation of glucose and implantation of micewith STZ-induced diabetes were used for evaluated the function of islets. RESULTS: The viability of isolated pancreatic islets was more than 95% and the purity of cultured islets was about 85% . The insulin synthesis, secretion and sensitivity of islets stimulate by glucose which were cultured in RPMI 1640 were higher than that in DMEM. The levels of blood glucose recovered to normal in type 1 diabetic mice after islets implantation. CONCLUSION : The islets got in this study have higher purity and viability with the normal biological activity for about 7 days by this method and they can be used as a cell model for the study of diabetes in vitro .
4.Preliminary Study on Apotosis of PG Cells Induced by Herba Hedyotis Diffusae
Jie LI ; Daizhou ZHANG ; Meifang MA
Chinese Journal of Information on Traditional Chinese Medicine 2006;0(11):-
Objective To investigate the anticancer mechanism of Herba Hedyotis Diffusae on PG cell by observing the action of Herba Hedyotis Diffusae in inducing apoptosis of PG cells. Method After treating PG cells with different doses of drug containing serum of Herba Hedyotis Diffusae, FCM was used to detect the apoptosis of PG cell. Result After treating PG cell with Herba Hedyotis Diffusae, typical apoptosis characteristics could be seen and apoptosis rates were increased with the relation of dosage-effect, which were 6.86%, 9.77% and 11.69%, respectively. Conclusion Inducing the apoptosis of tumor cells maybe part of the anti-tumor mechanism of Herba Hedyotis Diffusae.
5.Amperometric Glucose Biosensor Based on Carbon Nanoparticles
Meifang WANG ; Wei ZHANG ; Bin FANG
Chinese Journal of Analytical Chemistry 2010;38(1):125-128
The nafion/carbon nanoparticles (CNPs) composite film modified glassy carbon electrode was pre pared by dropwise method, and the electrocatalyst of H_2O_2 at Nafion/CNPs modified electrode was investiga ted.The results show that electrocataytic activitie for detection of H_2O_2 at the modified electrode is very good.The biosensing application of CNPs was demonstrated through fabrication of an electrochemical biosensor.The biosensor was constructed by encapsulating glucose oxidase in the Nafion/CNPs composite film.The biosensor had good electrocatalytic activity toward oxidation of glucose.The glucose biosensor shows a linear range from 2.0 × 10 ~(-6) to 6.0×10~(-3) mol/L with a detection limit of 1.6×10 ~(-6) mol/L.The biosensor shows high stabili ty, good reproducibility and can avoid the commonly coexisted interference.In addition, real rat serum samples were analyzed by this biosensor with satisfactory results.
6.Research progress of dihydropyrimidinase deficiency
Meifang LEI ; Hong LI ; Yuqin ZHANG
Chinese Journal of Applied Clinical Pediatrics 2021;36(1):70-73
Characterized by dihydropyrimidinuria, dihydropyrimidinase (DHP) deficiency refers to a rare disorder of pyrimidine degradation, with high phenotypic heterogeneity.The disease-causing gene is DPYS, and less than 40 cases were reported worldwide.Urinary gas chromatography/mass spectrometer (GC/MS) can screen clinically suspected patients, and gene sequencing is the main means of the diagnosis of the disease.This article reviews the pathogenesis, clinical manifestation, genotype and recent research progress of the disease.
7.Clinical effect of preoperational oral nutrition supplementation in maxillofacial tumor patients
Meifang ZHANG ; Qiuming YIN ; Haifeng ZHANG ; Wen TANG ; Li ZHU ;
Parenteral & Enteral Nutrition 1997;0(04):-
Objective: To observe the clinical effect of oral nutrition supplementation for maxillofacial tumor patients before operation. Methods: 60 patients who suffered from maxillofacial neoplasm were divided into two groups. In observation group, on basis of routine diet, oral nutrition supplements (Fortisip) had been added for 5~7 days before operation. In control group, only routine diet had been supplied. After operation, the two groups were all supplied with tube feeding. The blood routine test, plasma total protein, albumin, pre albumin and lymphocyte count were measured in all patients. Results: Every biochemical item reduced significantly after operation and no statistical significance was found between groups. But the absolute decreasing values had significant difference between the groups. Conclusions: Oral nutrition supplements (Fortisip) contains balanced nutrients and tastes well. It is safe and effective to use a nutritional supplement, being helpful to prevent malnutrition and to improve the immune function in perioperative period of patients with maxillofacial neoplasm.
8.Diagnosis and treatment of 64 children with viral encephalitis complicated with respiratory failure
Bo WU ; Yuqin ZHANG ; Xiaomin WANG ; Meifang LEI ; Xiaojun LIU
Chinese Pediatric Emergency Medicine 2016;23(8):547-551
Objective To summarize the clinical features of children with viral encephalitis accompa-nied with respiratory failure,and to improve the early diagnosis and treatment. Methods The clinical data of 64 cases with viral encephalitis combined with respiratory failure in our unit from May 2005 to May 2015 were analyzed retrospectively. Results All children were characterized by sudden onset. Among them, 60 cases (93. 7%) had fever,50 cases(78. 1%) had convulsion onset,46 cases(71. 8%) had consciousness disorders, 30 cases(46. 8%) had positive pathological signs. Most of them developed respiratory failure in acute stage. Total 56 cases occurred central respiratory failure,6 cases occurred central respiratory failure with peripheral respiratory failure,2 cases occurred respiratory and circulatory failure. Total 46 cases underwent cerebrospinal fluid examination. Routine biochemical test found 32 abnormal cases,of which 10 cases had intracranial hyper-tension and 19 cases had leukocytosis,and 17 cases had increased protein content. Ten cases were positive in cerebrospinal fluid etiology examination,including herpes simplex virus positive in 8 cases,EB virus positive in 1 case,and coxsackie virus positive in 1 case. There were 6 of 64 cases with abnormal CT scans and 29 of 34 cases with abnormal MRI. The results of EEG examination were abnormal in all patients for the first time. The EEG of 48 cases showed diffuse slow waves-δ activity. EEG examination showed generalized discharges or focal discharges during treatment in 22 cases. Five cases of electrophysiological examination showed cervical spinal cord anterior horn injury. Total 24 cases were complicated with stress ulcer,4 cases with liver damage,6 cases with heart damage,4 cases with renal damage,1 case with lung damage. All cases underwent mechanical ventilation for 2-50 days. Total 33 cases(51. 5%) improved and discharged,14 cases died during hospitaliza-tion,17 cases were given up treatment. Total 25 cases had variety of neurological dysfunctions left. Total 14 cases with epilepsy were followed up for 3 months to 6 years in our department,of which 8 cases were medical-ly intractable epilepsies. Conclusion The children with viral encephalitis complicated with respiratory failure have acute onset,rapid progress,high disability and mortality. Early diagnosis and evaluation,effective mechani-cal ventilation in time,and protecting organ function,help to improve the prognosis.
9.Application of radiofrequency technology in treatment of proliferating dermatosis in face
Haiying HUI ; Meifang ZHANG ; Dong YIN ; Xiaoyan SUN
Chinese Journal of Medical Aesthetics and Cosmetology 2011;17(5):352-354
Objective To investigate the application of radiofrequency surgery technology in the treatment of proliferating dermatosis of face.Methods A total of 572 patients treated with radio fre quency technology from September 2008 to March 2010 in Shanxi Provincial People's Hospital,were analyzed retrospectively.Results In all 572 eases were cured,and the cure rate was 92.13 %.All of the operations by radio frequency achieved effectively ideal results.Conclusions This allows less bleeding during surgery,and precise cut,and less pigmentation.Radiofrequency technology is applica bie to highly refined facial surgery.It is worthy to be popularized in clinical practice.
10.Cost-effectiveness Analysis of Chinese Traditional Medicine and Western Medicine in Treating Varicocele Sterility
Jianping LU ; Yaoquan ZHANG ; Meifang OU ; Qingying LAI
China Pharmacy 1991;0(06):-
OBJECTIVE:To assess the cost and therapeutic effects of Chinese traditional medicine and western medicine in treating varicocele sterility. METHODS:165 patients with sterility were randomly divided into 2 groups. Chinese traditional medicine group included 110 cases who took Zhang's varicosity prescription, while the western medicine group included 55 cases who took human chorionic gonadotropin, clomiphene citrate, zinc gluconate, ATP and vitamin AD,Vitamin E,Vitamin C,for 3mo~9mo normally. The therapeutic effects and adverse effects of two groups were monitored and evaluated with cost- effectiveness analysis. RESULTS:The total effective rates of Chinese traditional medicine and western medicine were 81.82%and 50.91% respectively, while the costs were 3 688.2 Yuan and 2 399.2 Yuan accordingly, C/E were evaluated to be 45.08 and 47.13 respectively and ?C/?E was 41.7. CONCLUSION:Zhang's varicosity prescription is the better choice for treatment of varicocele sterility