Objective:To explore the effect of bifidobacterium tetravaccine tablets combined with low-dose erythromycin on the efficacy and motilin (MTL) levels in the treatment of children with functional dyspepsia (FD).Methods:One hundred and fifty children with FD admitted to Shanghai Public Health Clinical Center from January 2019 to June 2020 were selected and were divided into two groups by random number table, with 75 cases in each group. The control group was treated with bifidobacterium tetravaccine tablets, and the observation group was treated with low-dose erythromycin on the basis of control group. The clinical efficacy and the disappearance time of the clinical symptoms of the two groups were compared. The changes in the frequency of gastric antrum contraction (ACF), the amplitude of gastric antrum contraction (ACA), the gastric antral movement index (MI) were detected by ultrasonic developing-out unit before and after treatment. The levels of 5-hydroxytryptamine (5-HT), nitric oxide (NO), gastrin (GAS) and MTL were detected before and after the treatment using enzyme linked immunosorbent assay. The incidence of adverse reactions was counted. The recurrence rate was recorded after 6 months of the treatment.Results:The total effective rate in the observation group was higher than that in the control group:93.33% (70/75) vs. 78.67% (59/75), and the difference was statistically significant ( χ2 = 6.700, P<0.05). The disappearance time of symptoms of nausea and vomiting, loss of appetite, abdominal distension, and abdominal pain in the observation group were shorter than those in the control group: (2.58 ± 0.45) d vs. (3.22 ± 0.68) d, (3.56 ± 0.62) d vs. (4.10 ± 0.70) d, (2.54 ± 0.46) d vs. (3.24 ± 0.69) d, (2.66 ± 0.56) d vs. (3.40 ± 0.67) d, and the differences were statistically significant ( P<0.05). The levels of ACF, ACA and MI in the observation group after the treatment were higher than those in the control group: (4.32 ± 0.90) times/min vs. (3.58 ± 0.83) times/min, (0.34 ± 0.12) vs. (0.30 ± 0.10) mm, (1.33 ± 0.42) vs. (1.14 ± 0.30), and the differences were statistically significant ( P<0.05). The levels of 5-HT and NO in the observation group after the treatment were lower than those in the control group: (164.77 ± 30.34) mg/L vs. (184.45 ± 28.90) mg/L, (38.27 ± 10.20) mmol/L vs. (46.54 ± 9.48) mmol/L; and the levels of GAS and MTL were higher than those in the control group: (115.23 ± 15.70) ng/L vs. (98.50 ± 14.29) ng/L, (266.67 ± 32.76) ng/L vs. (238.40 ± 28.97) ng/L, and the differences were statistically significant ( P<0.05). Conclusions:The treatment of pediatric FD with bifidobacterium tetravaccine tablets combined with low-dose erythromycin can significantly improve the efficacy, quickly improve the clinical symptoms of children, promote physical recovery, and regulate MTL levels to improve gastric motility. The recurrence rate is low.

BACKGROUND:Polysulfone membrane holds good anti-biodegradation ability, but how to use it to prepare hol ow fiber dialysis membrane and its blood compatibility have not been ful y understood. OBJECTIVE:To study the preparation, transfer property and biocompatibility of hol ow fiber dialysis membrane. METHODS:With polysulfone as the film material, diethylene glycol as the porogen, polyvinyl pyrrolidone as the modifier, N, N-dimethylacetamide as the solvent, and the hol ow fiber dialysis membrane was prepared using nonsolvent-induced phase separation. The performance was measured using scanning electron microscopy, ultra-depth three-dimensional microscope imaging and porosity test;the transfer parameters including reject rate and water flux were detected by ultrafiltration device;the blood compatibility was determined through hemolysis test, dynamic clotting time test and platelet adhesion test. Type II medical polyurethane material served as negative control. RESULTS AND CONCLUSION:The section of hol ow fiber dialysis membrane was asymmetric. 17%dialysis membrane showed a porous middle layer, while 19%, 21%and 23%membrane showed a sponge-like middle layer. Under the same membrane area, the density of fiber dialysis membrane was significantly lower than that of the negative control material, and the porosity of fiber dialysis membrane was significantly higher than that of the negative control material (P<0.05). The water volume and water flux of the hol ow fiber dialysis membrane were significantly higher than those of the negative control material (P<0.05). Results from three hemolytic tests showed that the average absorbance values and hemolysis rate of the hol ow fiber dialysis membrane were significantly higher than those of the negative control material (P<0.05). The dynamic clotting time test and the platelet adhesion test revealed that the dynamic clotting time of hol ow fiber dialysis membrane at 20, 40 and 70 minutes was significantly shorter than that of the negative control material (P<0.05). These results suggest that polysiloxane can be used as the membrane material to prepare hol ow fiber dialysis membrane using nonsolvent-induced phase separation, and holds a good biocompatibility, blood compatibility and transfer efficiency.

Objective To explore the role of Orexin in pathogenesisepilepsy and treatment of epilepsy based on the literatures published from 1998 to 2014 at home and abroad.Methods Searched the literatures from the online database including Pubmed,CNKI and Wanfang Datebases in July 2014.The words Orexin,epilepsy,Orexin receptor,epilepsy treatment were used as search terms.Analyze the effect Orexin and its receptors in the occurrence,development and treatment of epilepsy.Results 102 related literatures were retrieved and 30 were adopted into analysis.It was showed Orexin is a kind of excitatory neuropeptides and it can increase the excitability of cerebral cortex.Epilepsy can be induced bv excessive expression of Orexin.Conclusion Excessive expression of Orexin can cause epileptic seizure.Inhibiting the excessive activation of Orexin neurons is of important to control seiznres in clinical practices.

Objective: To study the effects of vitamin E and selenium on apoptosis and c-Myc expression in human leukemia cells. Methods: DNA gel electrophoresis and Northern blotting hybridization were used to detect the apoptosis and the expression of c-Myc gene, respectively. Human leukemia cell line HL-60 and K562 were cultured in vitro. Results: The apoptosis of HL-60 and K562 cells were induced after being exposed to vitamin E (100 ?mol/L) and selenium (8 ?mol/L) for 24 hours, respectively. In HL-60 cell line, c-Myc mRNA was down-regulated significantly by vitamin E(100 ?mol/L),but not selenium(8 ?mol/L).In contrast, the expression of c-Myc gene was repressed by selenium(8 ?mol/L) and not by vitamin E(100 ?mol/L) in K562 cell. Conclusion: Our observations suggest that c-Myc down-regulation and induction of apoptosis by selenium and vitamin E are important pathways in repressing leukemia cell proliferation.The results suggest there are different mechanisms of repressing leukemia cell proliferation for selenium and vitamin E.

Aim To construct eukaryotic expression vector of shRNA(small hairpin RNA)for human SREBP-1(sterol regulation element binding protein-1)gene and explore its effects on lipid droplet formation in human renal proximal tubular epithelial cell line(HKC)under the stimulation of high glucose.Methods Two eukaryotic expression vectors of shRNA were constructed for human SREBP-1 gene.The HKC cells were transfected with negative control plasmid(pGenesil-1-HK)and two recombinant vectors(pGenesil-1-SREBP1-1 and pGenesil-1-SREBP1-2)and then were cultured under the stimulation of high glucose for about 48 h.The expression of SREBP-1 mRNA and FAS mRNA was detected by RT-PCR and SREBP-1 protein expression was investigated by Western blot.Lipid droplets were detected by Oil Red O staining.Results DNA sequencing showed that the target segments were successfully cloned into pGenesil-1 vector respectively.RT-PCR indicated that two recombinant vectors could inhibit the expression of SREBP-1 mRNA and FAS mRNA in HKC cells under the stimulation of high glucose.Similarly,SREBP-1 protein was also inhibited by the transfection with recombinant vectors.Oil Red O staining found that silencing of SREBP-1 gene resulted in lipid droplets decrease.Conclusions The eukaryotic expression vector of shRNA for human SREBP-1 gene was successfully constructed,and the expression of SREBP-1 was inhibited effectively by the expressed siRNA in HKC cells that resulted in lipid droplets decrease through FAS mRNA transcription inhibition.

Objective To evaluate the clinical value of early alterations of carotid arterial intima-media thickness (IMT) and elastic function in patients with hypertriglyceridemia (HTG) using ultrasound radio-frequency technique.Methods 48 patients (triglyceride value ≥ 1.8 mmol/L) were chosen as HTG group.Quantitative intimamedia thickness (QIMT) and quantitative arterial stiffness (QAS) techniques were used to observe the alterations of carotid arterial IMT and elastic index,including diameter of carotid artery (D),distensibility coefficient (DC),compliance coefficient (CC),elasticity coefficient (α),elasticity coefficient (β) and pulse wave velocity (PWV).50 healthy subjects were recruited in control group.Differences of the above-mentioned parameters were analyzed,as well as the elastic index connections between the two groups.Results IMT,α,β,and PWV index of bilateral carotid arteries in HTG group was higher than that of the control group,while the DC and CC index was lower,and the differences was statistically significant (P＜0.05).Within the groups there were differences between the elastic indexes of bilateral carotid arteries.In control group and the HTG group:CCL＞CCR,αL＞αR,βL＞βR,PWVL＞PWVR.CC was negatively correlated to α,β and PWV (P＜0.05).Meanwhile,there was positive correlation among α,β and PWV (P＜0.05).The differences of D between two groups had no statistical significance (P＞0.05).Conclusions The abnormity of arterial occurs earlier than the morphological change,while the ultrasound radio-frequency technique can provide information of earlier alteration of common carotid arteries structure and elastic function in patients with HTG,which is a significant method of testing early alteration of carotid elastic in patients with HTG.

Objective To investigate and analyze the death situation of children aged under 5 year old in a class 3A hospital during 2007-2015 to provide a basis for formulating corresponding interventional measures to reduce the disease mortality of children.Methods The medical records of children death in this hospital during 2007 2015 were retrospectively analyzed.Results The mortality rate of children under 5 years old in this hospital during 2007-2015 showed a decreasing trend year by year.There was the statistically significant difference in the mortality rates among different years,between male and female (3.58 ％vs.2.10％) and between rural family registers and non-rural family registers(P＜0.05);the neonatal mortality rate was highest (50.45 ％);the top 5 places of death causes were premature delivery or low birth weight newborns,respiratory system diseases,nervous system diseases,congenital diseases and accidents.Conclusion The key for reducing the children mortality rate is to strengthen the perinatal health care,strengthen prenatal examinations and pregnant examinations,prevent the occurrence of respiratory system disease,pay attention to the influence of various factors on children health and prevention and treatment of accidents.

Objective To investigate relationship between serum level of brain natriuretic peptide (BNP)and short-term prognosis in patients with acute myocardial infarction(AMI).Methods Ninetynine patients with AMl with elevated S-T segment in electrocardiogram admitted to the department of cardiology,the Fourth Hospital of Jilin University,Changchun during January to December 2008 were divided into two groups.one with percutaneous transluminal coronary angioplasty(PTCA)or pereutaneous coronary intervention(PCI)(61 eases)and the other without PTCA(38 cases)as controls.Their serum levels of BNP were measured at admission, and one day and seven days after admission,respectively,and their main adverse cardiac events(MACE)were followed-up and recorded for 30 days.Results No significant differenee in serum BNP level between the patients at admission and one day after admission was found(P＜0.01).Seven days after admission,serum BNP level in PCI group was significantly lower than that in controls(P＜0.01),and occurrence of MACE was significantly lower in PCI group than that in controls(P＜0.05).Logistic regression analysis indicated that serum BNP level in PCI group seven days after admission was the uppermost predictor for MACE in patients with AMI in one month after onset(OR=1.026,95%CI 1.014-1.038,P＜0.01).Serum BNP level was significantly higher in patients with MACE seven days after admission than that in those without it(P＜0.01)during 30-day followup.Conclusion Serum level of BNP seven days after admission is associated with their short-term prognosisfor patients with AMI.

Sleep quality is closely related to human health. It is very important to correctly discriminate the sleep stages for evaluating sleep quality, diagnosing and analyzing the sleep-related disorders. Polysomnography (PSG) signals are commonly used to record and analyze sleep stages. Effective feature extraction and representation is one of the most important steps to improve the performance of sleep stage classification. In this work, a collaborative representation (CR) algorithm was adopted to re-represent the original extracted features from electroencephalogram sig- nal, and then the kernel entropy component analysis (KECA) algorithm was further used to reduce the feature dimension of CR-feature. To evaluate the performance of CR-KECA, we compared the original feature, CR feature and readied CR feature (CR-PCA) after principal component analysis (PCA). The experimental results of sleep stage classification indicated that the CR-KECA method achieved the best performance compared with the original feature, CR feature, and CR-PCA feature with the classification accuracy of 68.74 +/- 0.46%, sensitivity of 68.76 +/- 0.43% and specificity of 92.19 +/- 0.11%. Moreover, CR algorithm had low computational complexity, and the feature dimension after KECA was much smaller, which made CR-KECA algorithm suitable for the analysis of large-scale sleep data.
Algorithms ; Electroencephalography ; Entropy ; Humans ; Polysomnography ; Principal Component Analysis ; Sleep Stages ; Sleep Wake Disorders ; diagnosis ; Software

OBJECTIVETo explore treatment effect of the locking plate percutaneous external fixation to tibial fractures.

METHODSFrom July 2010 to February 2013, 8 cases with pediatric tibial fractures were treated by using unilateral locking plate percutaneous external fixation,including 6 males and 2 females with an average age of 7 years old ranging from 4 to 10. Among them, 5 cases were open fractures involving 1 case of Gustilo-Anderson type II, 3 cases of type III A, 1 case of type III B; and the other 3 cases were closed fractures involving 2 cases of AO type A3, 1 cases of type B2. The postoperative bone healing and gait impact were observed and the function was evaluated by Johner-Wruhs scores.

RESULTSAll fractures healed successfully without infection. The fracture healing time was from 3 to 6 months with an average of 3.9 months. The locking plate removal time was from 4 to 7 months with an average of 4.3 months. Among them, 7 cases were visually normal after walking with stand, 1 case of anterior tibial tendon defect affected gait. The results of Johner-Wruhs assessment were excellent in 7 cases, good in 1 case. No rub contralateral medial calf skin wounds occurenced.

CONCLUSIONThe method is simple, stable and reliable. The fixation strength is suitable for children using locking plate percutaneous external fixation. The postoperative functional recovery was excellent and the walking gait was less affected. But the point of LCP pedicle screw should be carefully selected before installation with good skin coverage.

Bone Plates ; Child ; Child, Preschool ; External Fixators ; Female ; Fracture Fixation ; methods ; Fracture Healing ; Humans ; Male ; Tibial Fractures ; physiopathology ; surgery