Objective To compare the changes of serum cystatin C(CysC),cytokeratin 19 fragment(CYfra21-1)and neuro-spe-cific enolase(NSE)levels before and after surgery in the patients with lung cancer.Methods ELISA and the chemiluminescence method were adopted to detect the levels of serum CysC,CYfra21-1 and NSE before and after operation in 33 patients with lung cancer and the detection results were compared with those in 35 health people.Results The serum CysC,CYfra21-1 and NSE levels in the lung cancer patients were significantly higher than those in the normal control group(P <0.01);which had statistically sig-nificant difference between before and after operation(P <0.05);the serum CysC,CYfra21-1 and NSE levels in 3 months after op-eration still had statistically significant difference compared with the normal people(P <0.05),moreover the serum CysC level was positively correlated with serum CYfra21-1and NSE levels(r =0.601 8,0.596 6,P <0.01 ).Conclusion Detecting serum cyscC, CYfra21-1 and NSE level change has certain clinical value for evaluating the prognosis and the disease condition monitoring of the patients with lung cancer.

Objective To explore the value on application of combined C-reactive protein(CRP), serum albumin(PA)with blood routine inspection in diagnosis of bacterial infectious diseases in children.Methods 98 cases of patients confirmed infectious diseases in our hospital were selected as the study objects, and 68 cases with bacterial infectious diseases were as the bacterial infection group, while 30 cases with non-bacterial infection were as the non-bacterial infection group.Another 50 cases of healthy children were as the control group.All the children and children in the control group were given CRP, PA and blood routine detection, The diagnostic coincidence rates were evakuated according to the examination Results .ResultsCRP and WBC levels in the bacterial infection group were significantly higher than those in the non-bacterial infection group and the control group (P<0.05), PA level in the bacterial infection group were significantly higher than that in the non-bacterial infection group and the control group (P<0.05), The children's urine and cerebrospinal fluid or sputum bacterial culture results as the gold standard, 68 cases were true positive, and 30 were negative.CRP diagnosis showed 40 cases were positive, 58 cases negative, 13 cases false positive, and 41 cases false negative, the detection sensitivity was 39.71%, specificity was 56.67%, and coincidence rate was 44.90%.PA diagnosis showed 43 cases were positive, 55 cases negative, 12 cases false positive, and 37 cases false negative, the detection sensitivity was 45.59%, specificity was 60.00%, and coincidence rate was 50.00%.WBC diagnosis showed 47 cases were positive, 51 cases negative, 14 cases false positive, and 35 cases false negative, the detection sensitivity was 48.53%, specificity was 53.33%, and coincidence rate was 52.04%.CRP, PA, WBC combined diagnosis showed 62 cases were positive, 36 cases negative, 3 cases false positive, and 9 cases false negative, the detection sensitivity was 86.76%, specificity was 90.00%, and coincidence rate was 87.76%.The sensitivity, specificity and coincidence rate of CRP, PA and WBC combined diagnosis were significantly higher than those of CRP, PA and WBC diagnosis results.There were no significant differences in sensitivity, specificity and coincidence rate among single diagnosis of CRP, PA and WBC.Conclusion Implementation of combined CRP, PA with WBC in diagnosis of bacterial infection in children can effectively improve diagnostic coincidence rate.and provide theoretical basis for clinical treatment.

Objective To investigate the effectiveness of cis-diamminedichloroplatinum (DDP) combined with hyperthennia in killing liver tumor cells and its influence on erythrocytes in vitro. Methods Cultured liver tumor cells (2 ml) were mixed with erythrocyte suspension (10 ml) and then the mixture was separated into 6 centrifuge tubes with 2 ml in each one. The centrifuge tubes were randomly divided into A-F groups and the experiment was repeated for 30 times. Normal saline 2 ml was added in A and D groups. DDP 2 ml (200 μg/ml) was added in B and E groups. DDP 2 ml (400 μg/ml) was added in C and F groups. The cells were then incubated in warm bath of 37 ℃ for 30 min in A, B and C groups and in warm bath of 42 ℃ for 30 min in the other three groups.After hyperthermic treatment, tumor cells were isolated from erythrocytes using density gradient centrifugation, the inhibition rate of tumor cells was determined by MTT method and the clone formation of tumor cells was checked.The erythrocyte osmotic fragility and content of 2,3-diphosphoglyceric acid in erythrocytes were measured. Results The inhibition rate of tumor cells was gradually increased, while the rate of tumor cell clone formation decreased with the increase in the temperature and DDP concentrations ( P < 0.01) . The rate of tumor cell clone formation was more than 98% and no clone formation was tested in group F. There was no significant difference in the content of 2,3-diphosphoglyceric acid in erythrocytes between before and after hyperthermic treatment in group F ( P >0.05 ) . The rate of hemolysis of erythrocytes was less than 1 % in the 0.68 % sodium chloride solution in group F.Conclusion DDP 200 μg/ml combined with hyperthermic treatment with temperature of 42 ℃ for 30 min can make the liver tumor cells lose the capability of proliferation, however, it exerts slight effect on erythrocyte membrane and no influence on the oxygen-carrying capacity of erythrocytes.

Objective To investigate the effects of two different resuscitation fluids of two different temperatures and two different target MAP on the outcome of hemorrhagic shock in rabbits. Methods Forty adult male rabbits weighing 2.3-3.2 kg were anesthetized with iv pentobarbital sodium 30-35 mg/kg and tracheostomized. Spontaneous breathing was maintained. Hemorrhagic shock was induced according to modified Wiggers method. used. The temperature of the fluids was 23 ℃ (B_1) and 45 ℃ (B_2) respectively. The target MAP was 60 mm Hg (C_1) and 80 mm Hg (C_2). Forty animals were randomly divided into 8 groups (n=5 each) : group A_1B_1C_1; group A_1B_1C_2; group A_1B_2C_1; group A_1B_2C_2; group A_2B_1C_1; group A_2B_1C_2 ; group A_2 B_2 C_1 and group A_2B_2C_2 .Arterial blood samples were obtained from femoral artery at 5 min before blood-withdrawal, immediately after shock was induced and at 1, 2, and 3 h of resuscitation for blood gas analysis and determination of blood lactate concentration and serum concentrations of TNF-α and IL-6. Hemodynamies and changes in mesenteric capillaries were continuously monitored. Results PaO_2 was significantly higher in animals resuscitated with HSD (A_2) than in animals resuscitated with HS (A_1). Blood lactate concentration was significantly higher in group A_1B_1 (HS-23℃) than in group A_2B_1 (HSD-23℃). There was no significant difference in blood lactate concentration between group A_1B_2 (HS-45℃) and group A_2B_2 (HSD-45℃). The 3 factors did not have different effects on mesenteric capillaries. The serum TNF-α and IL-6 concentrations were significantly higher in animals resuscitated with HS (A_1) than in animals resuscitated with HSD (A_2) .Conclusion The effect of resuscitation of hemorrhagic shock is better with HSD than with HS. The resuscitation fluid of 23 ℃ is superior to fluid of higher temperature. The target BP during resuscitation does not influence the outcome of resuscitation.

The paper reviews the evolution of the enterprise growth theory, pointing out that its shortcoming lies in its stress only on what the enterprise possesses while ignoring what the customers need. In view of the characteristics of the medical industry, the paper argues that similar problems can also be found in the model for assessing the integrated strength of the hospital. It proposes the use of the model of the hospital's growth capacity in assessing the future development of the hospital. The model is composed of three aspects: material resources, manpower, and brand competitiveness. The paper also discusses the practical values resulting from the use of the hospital's growth capacity as the model for assessing hospital development.

10.3969/j.issn.2095-4344.2013.25.021

Objective To evaluate the effectiveness of locking compression plate (LCP) in treatment of comminuted fractures of distal end of radius. Methods A retrospective analysis of the clinical data was done for the 24 patients with comminuted fracture of distal end of radius who had been treated by locking compression plate fixation from August 2002 to August 2003. Results The follow up duration averaged 7.8 months. The satisfactory rate of functional outcome with LCP fixation was 91.6 percent. Conclusion Although LCP can provide the outstanding stability theoretically, it has not resulted in more exciting outcomes in treatment of comminuted fractures of distal end of radius than traditional methods.

Objective: To study the effect of ghrelin on L-type calcium channel current (ICa-L) of ventricular myocytes in experimental rats. Methods: The single ventricular myocyte in experimental rats were obtained by enzymolysis method, and the whole-cell patch-clamp technique was used to investigate the effect of ghrelin on ICa-L of ventricular myocytes at different doses of 10 nmol/L, 100 nmol/L and 1μmol/L respectively. Results: Ghrelin at 10 nmol/L, 100 nmol/L and 1μmol/L may inhibit ICa-L at (8.95 ± 2.13) %, (31.18 ± 4.78) % and (64.63 ± 8.57)% respectively,P<0.05, and the current-voltage curve was shifted upwards. The channel half inactivation curve decreased from (-1.34 ± 1.9) mV to (-8.04 ± 1.32 ) mV, (9.76 ± 1.17) mV and (-11.81 ± 0.73) mV respectively,P<0.05, and the recovery time after inactivation was prolonged as τ value from (63.23 ± 9.32) to (98.95 ± 10.74), (109.56 ± 13.42) and (127.39 ± 16.13) respectively,P<0.05. Conclusion: Ghrelin may accelerate ICa-L inactivation and prolong the recovery time after inactivation. Ghrelin inhibits ICa-L in a dose-dependent manner.

Surgical nutrition therapy is a novel course for undergraduates who are major in food hygiene and nutrition.In this study,the purpose,content,model and specific teaching approaches of the course were discussed,and the essentials of clinical practice for surgical nutrition therapy were pointed out.We hope that our experience would be helpful for the development of the course.

Objective To evaluate the effect of umbilical cord mesenchymal stem cell (UC-MSC) transplantation on cognitive function in endotoxemic rats.Methods Seventy-two pathogen-free male Wistar rats,aged 180-250 g,were randomly divided into 4 groups (n=18 each) using a random number table:control group (group C),endotoxemia group (group E),UC-MSC group (group M),and endotoxemia+ MSC group (group PM).Cognitive function was assessed using Morris water maze test.At 4 h before training on 2nd day of place navigation test,lipopolysaccharide 100 μg/kg was injected intraperitoneally in group E,the equal volume of normal saline was given in group C,UC-MSC suspension 300 μl (5× 105cells,the fluid was normal saline) was injected via the tail vein immediately after intraperitoneal lipopolysaccharide in group PM,and UC-MSCs were injected via the tail vein in group M.At 4 h after injection,Morris water maze test was continued.At 4,24 h and 5 days after intraperitoneal injection or injection via the tail vein (T1-3),6 rats were selected,and blood samples were collected from hearts.The rats were then sacrificed,and the hippocampus was removed.The levels of interleukin-lbeta (IL-1β),IL-6 and tumor necrosis factor-alpha (TNF-α) in serum and hippocampus were determined.Results Compared with group C,the escape latency was significantly prolonged on 2nd and 3rd days of Morris water maze test,the number of crossing the platform was significantly decreased,the percentage of swimming distance in 1 st quadrant in the total swimming distance was significantly decreased,and the levels of IL-1 β,IL-6 and TNF-α in serum and hippocampus were significantly increased at T1,2 in group E (P＜0.05).Compared with group E,the escape latency was significantly shortened on 2nd and 3rd days of Morris water maze test,the number of crossing the platform was significantly increased,the percentage of swimming distance in 1st quadrant in the total swimming distance was significantly increased,and the levels of IL-1β,IL-6 and TNF-α in serum and hippocampus were significantly decreased at T1,2 in group PM (P＜0.05).Conclusion UC-MSC transplantation can improve the cognitive decline in endotoxemic rats.