1.Research on the design and application of the intelligent control and multi-functional combination of rehabilitation care system in treatment of cerebral apoplexy
China Medical Equipment 2016;(2):33-35
Objective:To design a new rehabilitation system for cerebral apoplexy patients, and help patients complete rehabilitation treatment on the bed.Methods: Design the basic structure of the system through mechanical technology, make the realization of the function by using circuit and wireless control system, global-eye system was embedded in it by using the principle of the 3G to 4G intelligent technology for improving the humanized design of the system. Results:Through application in physical therapy, nursing, clinical rehabilitation, and clinical therapy in hospitals, it achieved good economic and social benefits, got the recognition of patients, clinicians and rehabilitation therapists. Conclusion: It can be used for the treatment of cerebral apoplexy, reduce medical expenditure, save amount of social resource and improve the work efficiency of medical staff.
2.Effects of medication guide on IL-17, NO, IL-8 and respiratory function in patients with COPD
Chinese Journal of Primary Medicine and Pharmacy 2016;23(11):1718-1722
Objective To investigate the effect of medication guide on IL-17,NO,IL-8 and the respiratory function in patients with COPD,and to provide evidence for the prevention and treatment of COPD.Methods From January 2014 to December 2015,100 patients with COPD in our hospital were selected,and 3 months medication guide was given to the patients.The IL-8,IL-17,NO and other oxidative stress index were observed before and after the intervention.Results Before the intervention,the IL-17,IL-8 and NO levels of patients were (77.48 ± 5.48) ng/mL,(216.48 ± 29.40) ng/mL,(59.74 ± 10.38) mol/L respectively.After the intervention,the IL-17,IL-8 and NO levels were (28.57 ± 3.94) ng/mL,(43.80 ± 3.69) ng/mL and (78.62 ± 11.49) μmol/L.The levels of IL-17 and IL-8 were significantly decreased after the intervention,the level of NO was significantly increased (t =7.49,4.83,6.59,all P < 0.05).Before the intervention,the levels of FEV1,FVC and FEV1/FVC were (50.24 ± 3.27) %,(1.24 ± 0.38) L and (53.52 ± 2.37) % respectively.After intervention,the levels of FEV1,FVC and FEV1/FVC were (74.46 ± 5.74) %,(1.99 ± 0.41) L and (83.27 ± 3.25) % respectively.The respiratory parameters of the patients after intervention were significantly increased (t =6.38,3.89,7.02,all P < 0.05).After 3 months of intervention,in 100 patients,7 cases of grade 0,33 cases of grade Ⅰ,54 cases of grade Ⅱ,6 cases of grade Ⅲ,through statistical analysis,compared with those before intervention,significantly improved (x2 =6.49,all P < 0.05).Conclusion After 3 months of intervention,the patients' respiratory function limit improved,the condition improved significantly,and the medication guide for the patients with COPD has a positive effect.
3.On the critical radius in generalized Ostwald ripening.
Qin-bo WANG ; Robert FINSY ; Hai-bo XU ; Xi LI
Journal of Zhejiang University. Science. B 2005;6(8):705-707
The relation between the critical radius and the particle size distribution for generalized Ostwald type ripening processes whereby the mass transfer coefficient is modelled by a power law was derived. The critical radius is determined by the growth rate, the mass transfer coefficient and the mass balance, and is independent of whether the limiting stationary growth regime has been obtained.
Computer Simulation
;
Crystallization
;
methods
;
Macromolecular Substances
;
analysis
;
chemistry
;
Models, Chemical
;
Models, Molecular
;
Molecular Conformation
;
Particle Size
4.Research progress on pseudomyxoma peritonei
Jianglin LI ; Bo XU ; Jie CAO
International Journal of Surgery 2013;40(7):468-471
Pseudomyxoma peritonei is a rare kind of clinical disease,mainly characterized by mucus exocrine cells grown in the peritoneum or omentum sticky which caused lots of jelly-like ascites.There is no obvious clinical specificity performance for pseudomyxoma peritonei,which is always misdiagnosed.By enhancing the awareness of pseudomyxoma peritonei,improving the relevant checks and reasonably extracting specimens for pathological examination can improve diagnosing rate of pseudomyxoma peritonei.Using complete cytoreductive surgery or major debulking surgery combined with intraperitoneal hyperthermic perfusion chemotherapy help to improve the survival of patients with pseudomyxoma peritonei.
5.Comparison of the adherent cells derived from human placenta,umbilical cord blood and bone marrow
Journal of Xi'an Jiaotong University(Medical Sciences) 2004;0(05):-
Objective To compare the adherent cells derived from human placenta,umbilical cord blood and bone marrow,and provide laboratory data for clinical application of mesenchymal stem cells.Methods Adherent cells were isolated from human placenta tissues by enzyme digestion,and mononuclear cells(MNC) were isolated from umbilical cord blood(UCB) by 60g/L HES and density gradient centrifugation and MNC were isolated from bone marrow(BM) by density gradient centrifugation,and then these cells were cultured in vitro.Their biological characteristics were studied and compared.Results The adherent cells cultured from human placenta and umbilical cord blood had disparate shape in vitro respectively.And they had some differences in growth and shape from those derived from bone marrow.The adherent cells derived from the three tissues all expressed CD106 and CD44 in immunohistochemistry staining.Conclusion The adherent cells derived from human placenta and umbilical cord blood have the basic features of mesenchymal stem cells.
6.Effects of exogenous surfactant on lung function in rats with meconium aspiration
Yongmei XU ; Wenzhi LI ; Yulong BO
Chinese Journal of Anesthesiology 1994;0(03):-
Objective To examine the effects of exogenous pulmonary surfactant (PS)on lung function in rats with meconium aspiration.Methods Twenty Wistar rats of both sexes were anesthetized with intraperitoneal pentobarbital 30 mg?kg-1 , tracheotomized and mechanically ventilated (PIP= 16 cm H2O,RR =40 bpm,I:E= 1 : 1, FiO2 = 1.0) . 3-4 ml? kg -1 of saline suspension of human meconium ( 200 mg ? ml-1 ) was introduced into trachea. Respiratory failure was induced when PaCO2
7.The effect of different concentratlons of surfactant-associated proteln C on the surface tension reducing activity of reconstituted surfactant
Yulong BO ; Wenzhi LI ; Yongmei XU
Chinese Journal of Anesthesiology 1994;0(01):-
Objective The reconstituted pulmonary surfactant (SP) is composed of synthetic lipid(SL) and surfactant- associated protein C (SP-C) . The purpose of this study was to determine the surface tension reducing activity of the reconstituted surfactant containing different concentrations of SP-C.Methods Pulmonary surfactant (SP) was isolated from alveolar lavage fluid of fresh porcine lungs by centrifugation, extraction and precipitateon. SP-C was extracted from PS and SL was prepared by mixing dipalmitoyl-phosphatidyl choline (DPPC), dioleoyl-phosphatidyl choline (DOPC) and palmitoyl-oleoyl-phosphatidyl glycerol (POPG) in the weight ratio of 60: 20: 20. Three synthetically reconstituted surfactants RS-1, RS-2, RS-3, were prepared by adding different concentrations of SP-C to SL. The end concentration of SP-C was 1% , 2% and 3% respectively. Five test liquids (PS, SL. RS-1, RS-2, RS-3) were prepared by suspending the materials mentioned above in nonnal saline. The dynamic surface tension of the five test liquids were measured by a pulsating bubble technique. Thirty-six PS-deficient premature rabbits were studied. The premature rabbits were delivered by cesarean section on the 26 th day of pregnancy. The animals were tracheostomized and mechanically ventilated. 0.1 ml of test liquid PS (group Ⅱ) , SL(group Ⅲ) or RS-3(group Ⅳ) was instilled into the lungs via the tracheostomy cannula. In control group (group Ⅰ) no test liquid was instill. The animals were placed in a body plethysmograph and mechanically ventilated (the maximum inspiratory pressure = 25 cm H2 O, RR = 40 bpm, I: E = 1:1, FiO2 = 100 % made of ventilation IPPV) . Tidal volume was measured at 5, 10, 15 and 20 min after onset of IPPV. Results The minimum surface tension (?min) of PS was 0.9?0.3 mN?m-1 , and of SL was 22.6 ?1.3 mN?m-1 . The ? min of RS-3 was 0.7?0.1 mN ?m-1. The mean tidal volume after 20 min of mechanical ventilation in group Ⅱ(PS) and groupⅢ(RS-3 ) was 25 ?7 ml?kg-1 and 25 ? 4 ml?kg-1 respectively, significantly larger than that in control group (Ⅰ ) and group Ⅲ (SL) . Conclusion The surface tension-reducing activity of SL alone is low. Adding SP-C to SL greatly enhances the surface tension-reducing activity of reconstituted surfactant (RS).
8.Investigation on Proliferation of Algae in Hanjiang River During Low Water Period
Tieqiang TAN ; Bo HUANG ; Li XU
Journal of Environment and Health 1992;0(02):-
Objective To understand the proliferation of algae in Hanjiang River during low water period. Methods Identification and counting of algae was carried out in water samples collected from the locations with a depths of 0.5 m, 1.0 m and 1.5 m under the surface of water in the section of Zongguan water plant of Hanjiang River during low water period. Results The temperature of water of Hanjiang River was 19 ℃. The dominant algae was Bacillariophyta with a constetuent ratio of 72.38%, others were Chlorophyta (13.35%), Cryptophyta (9.68%), Cyanophyta (4.12%). The algal count was 1.8?10 4/L. Out countless diatom shells were found also. Conclusion The water pollution by algae of water of Hanjiang River during low water period should be paid more attention to, and its monitoring should be strengthened.
9.Serum and cerebrospinal fluid levels of neuron-specific enolase in epileptic patients
Jianyang XU ; Bo SONG ; Hongliang LI
Chinese Journal of Neurology 2001;0(03):-
Objective To explore neuronal damage in epileptic patients after seizures.Methods The serum and cerebrospinal fluid (CSF) levels of neuron-specific enolase (NSE) in the epileptic patients were dynamically determined after seizures by enzyme-linked immuno-sandwich assy. Results The serum and CSF levels of NSE in the epileptic patients were markedly increased after seizures. The serum levels of NSE peaked 1 day after seizure, decreased about one week later,and then returned to normal after two weeks or so. The serum and CSF levels of NSE were much higher in the epileptic patients with tic or frequency.Conclusion NSE in serum and CSF could reach higher levels after seizures, suggesting that neuronal damage may result from seizures,especially when tic and frequency occur.
10.Influence of serum on surfactant function
Yongmei XU ; Wenzhi LI ; Yulong BO
Chinese Journal of Anesthesiology 1994;0(03):-
Objective To examine the influence of serum on pulmonary surfactant (PS) function.Methods Caesarean section was performed on 26-day pregnant Japanese white rabbits (full term=31 days). The pre-term rabbits weighing 20-34g were anesthetized with intraperitoneal(ip) pentobarbital sodium 0.5mg. Tracheotomy was performed. Test liquids were prepared by suspending PS in rabbit serum or acetate Ringer solution at concentration of 2.0,4.0,6.0,8.0,10,12,24 mg/ml. The surface tension of test liquids was measured by pulsating bubble technique. Test liquid 10ml/kg was instilled in the lungs of PS-deficient pre-term rabbits via tracheotomy cannula.Animals were ramdomly divided into 4 groups according to the test liquid used: group A: 24mg/ml PS suspended in acetate Ringer solution; group B: 24mg/ml PS suspended in serum; group C: 4.0mg/ml PS suspended in acetate Ringer solution; group D: nothing was instilled. Rabbits were placed in plethysmograph. Siemens-Elema ventilator was used for mechanical ventilation. PIP was set at 22.5cmH 2O, PEEP=0,respiratory rate=40 frequency/min, I:E=1:1,FiO 2=100%. Tidal volume was measured at 5,10,15,20 min after the start of mechanical ventilation.Results When concentration of PS suspended in acetate Ringer solution was 2.0 mg/ml, the minimum surface tension (?min) was less than 3.0 mN/m; when suspended in serum, ?min was significantly higher than 30 mN/m (P15 ml/kg, but in group B the mean tidal volume was