Objective To investigate the nursing points of the vacuum sealing drainage technology in children with refractory soft tissue infection in the limb.Methods A total of 9 children with refractory soft tissue infection in the limb were treated with vacuum sealing drainage technology from December 2010 to October 2012.Results All children who underwent vacuum sealing drainage technology were successful,among which 7 cases underwent continuous vacuum sealing drainage for 7 days and 2 cases replaced VSD material after continuous vacuum sealing drainage for 10 days and all wound with skin graft healed,without any complication.Conclusions Vacuum sealing drainage can remove thoroughly necrotic tissue of the wound and promote wound healing,the key points of nursing are to keep drainage tube unobstructed,adjust appropriate negative pressure and give close observation.

ObjectiveTo investigate the effect of transforming growth factor-β1 (TGF-β1) antibody on peripheral neural fibrosis after chronic entrapment.MethodsA total of 75 rats were randomly divided into three groups, ie, Group A (sham operation, only the sciatic nerve exposed), Group B (compression only, treated with sciatic nerve entrapment) and Group C (compression plus antibody injection).Electron microscopy, immunohistoehemistry, RT-PCR and Western blot were performed to observe the morphological changes of the compressed nerve tissue and to determine the level of TGF-β1 , collagen Ⅰ and collagen Ⅲ at 2, 4, 6, 8, 10 weeks after sciatic nerve compression, respectively.Results The levels of TGF-β1 , types Ⅰ and Ⅲ collagen protein were increased significantly in the Group B compared with that in the Group A, when the expression of TGF-β1 was increased in the early phase of the compression, reached the peak at the 4th week, and then decreased slowly.The expressions of collagenⅠand collagen Ⅲ were increased after compression, reached a peak at the 6th week and then maintained a relatively high level.The number of the fibrous tissues was decreased significantly and the content of types Ⅰ and Ⅲ collagen protein declined in the Group C, with statistical difference compared with the Group B (P ＜ 0.05).ConclusionsPeripheral nerve fibrosis can be caused by chronic nerve compression.TGF-β1 plays an important role in effectively inhibiting the collagen synthesis and ameliorating the nervous fibrosis of the protein following peripheral nervous entrapment.

Objective To investigate the effects of connective tissue growth factor (CTGF) on the chronic peripheral nerve compression injury and explore the function of CTGF in peripheral nerve compression injury and repair. Methods From July 2010 to September 2010, fifty aduh male SD rats were randomly divided into group A and B: group A (sham-operated group): only exposed the sciatic nerve; group B (compression group): undergone sciatic nerve entrapment operation on the right hind leg according to the method which Mackinnon adopted when he established the model of chronic sciatic nerve compression.Electron microscopy,immunohistochemistry,RT-PCR and Western-blot were performed to observe the morphological changes of the compressed nerve tissue and to determine the level of CTGF,collagen- Ⅰ,Ⅲ (COL- Ⅰ,Ⅲ),2,4,6,8,10 weeks after the surgery,respectively. Results After sciatic nerve compression,the collagen in nerve increased ; The expression of CTGF and COL- Ⅰ, Ⅲ in sciatic nerve of compressed group increased, which was statistically different compared with the sham-operation group (P ＜ 0.05); In the meanwhile,the contents of CTGF and COL- Ⅰ,Ⅲ were positively correlated in a certain period. Conclusion Peripheral nerve fibrosis can be caused by chronic nerve compression.The expression of COL- Ⅰ,Ⅲ in sciatic nerve increased and CTGF get involved in the pathophysiological process, which suggests that CTGF plays an important role in the process of neural injury and fibrosis.

This article discussed the applications of body language in rehabilitation teaching from 3 aspects including the concept, thetype and the application methods of body language.

AIM:To observe the effects of granulocyte colony-stimulating factor (G-CSF) on calcium, sodium and potassium ion channel currents of the ischemic atrial myocytes in guinea pig by whole-cell patch clamp technique.METHODS:The guinea pig atrial myocytes were obtained by enzymolysis.Under ischemia and hypoxia condition, whole-cell patch clamp was used to observe the effects of G-CSF at various concentrations on the changes of the I-V curve, activation curve and availability of L-type calcium channel current (ICa,L) and voltage-dependent sodium channel current (INa), as well as I-V curve of delayed rectifier potassium channel current (IK).RESULTS:Under ischemic condition, the I-V curves of ICa,L were changed by acute G-CSF intervention in a dose-dependent fashion.Except for G-CSF at dose of 300 μg/kg, the other concentrations of G-CSF did not change the activation curve and availability of ICa,L, indicating that the effects of G-CSF on ICa,L were in a voltage-independent fashion.The I-V curves of ICa,L under ischemic condition were gradually approaching the normal levels by the higher dose of G-CSF, while the effect of 300 μg/kg G-CSF on ICa,L was similar to 100 μg/kg G-CSF.Acute G-CSF intervention at different doses did not change I-V curve, activation curve, and availability or steady-state availability of INa.As a part of IK, the rapid activating component (IKr) was improved by 100 μg/kg and 300 μg/kg G-CSF intervention with the similar effects, while the slowly activating component (IKs) was not changed by G-CSF.CONCLUSION:G-CSF affects ion channel electrophysiological properties of ischemic atrial myocytes in a voltage-independent but concentration-dependent manner, thus reducing the incidence of atrial arrhythmia.

OBJECTIVETo explore the effects of moxibustion with seed-sized moxa cone at "Ganshu" (BL 18) on liver furiction and morphology in rat with precancerous lesion of hepatic cellular cancer MCC).

METHODSA total of 60 male Wistar rats were randomly divided into a normal group (10 rats), a model group (20 rats), a 20-day treatment group (15 rats) and a 40-day treatment group (15 rats). HCC model was established by intraperitoneal injection of diethylnitrosamine (DEN). Rats in the normal group received no treatment. Rats in the model group were treated with fixation. Rats in the 20-day treatment group and 40-day treatment group were treated by moxibustion with seed-sized moxa cone at "Ganshu" (BL 18), once every other day, for 20 days and 40 days, respectively. Blood sample in each group was collected 1 d before model establishment, 20 d, 40 d and 84 d after model establishment. Chemical method was applied to test the activity of ALT (alamine aminotransferase), AST (aspartate transaminase) and GGT (glutamyl transpeptidase); at the end of model establishment, all the rats were sacrificed to observe the liver morphology changes.

RESULTSAfter the first therapeutic course, the. content of ALT and AST in the 20-day treatment group was significantly lower than that in the model group (all P<0. 05); after the second therapeutic course, the content of ALT, AST and GGT in the 40-day treatment group was insignificantly lower than that in the model group (all P>0. 05). Under light microscope, the slice of liver tissue indicated that primary tumor was induced in the model group, and the tumor cells were stained and irregular; the cytoplasm in the 20-day treatment group was even, and the tumor cells were few with several nodules alone. In the 40-day treatment group the liver morphology was normal and the staining was even; the tumor cells were few without nodules or a few. Conclusion Moxibustion with seed-sized moxa cone at "Ganshu" (BL 18) could reduce the serum content of ALT, AST and GGT in rats with HCC, which could protect the liver and: delay the DEN-induced precancerous lesion on some levels.

Acupuncture Points ; Animals ; Aspartate Aminotransferases ; blood ; Humans ; Liver ; pathology ; Liver Neoplasms ; enzymology ; pathology ; therapy ; Male ; Moxibustion ; Rats ; Rats, Wistar ; gamma-Glutamyltransferase ; blood

ObjectiveTo investigate expression of TGF-β1,CTGF and collagen deposition in skeletal muscle during chronic entrapment of peripheral nerve. MethodsFifty rats were separated into two groups,control group and experimental group. At different time points after operation, the right gastrocnemius of 5rats from each group were collected for further analysis such as HE, Masson stain, immunohistochemical staining,RT-PCR and Western-blot. Results It was observed that axon degeneration occurred during chronic nerve entrapment,and which was in line with reports from other groups.Moreover,it had been demonstrated that after nerve entrapment,skeletal muscles may form fibrosis and degeneration consequently.Within this pathological procedure,expression of TGF-β1. CTGF and deposition of collagenⅠ changed rapidly when compared with control group.ConclusionOverall,these results indicated that these factors may be important during skeletal muscle degeneration after chronic nerve entrapment.

Identiifcation of tissues/body lfuids in forensic science is important for criminal cases investigation such as crime scene reconstruction, conclude the character of crime. Recently, many researches of Epigenetic shows that tissue speciifc differentially methylated regions(tDMRs) have the ability to as a biomarker for identiifcation of tissues/body lfuids. In this paper, we reviewed the study progress and summarized the probability, advantage and disadvantage as well as application value and the development direction of the application of DNA methylation in the aspect of identifying the tissues/ body lfuids source, aiming at providing a reference for the related research and application.

Objective : To understand the current situation and characteristics of narcotic drugs and psychotropic drugs abuse or dependence among hospital patients and to provide reference for strengthening the management of narcotic drugs and psychotropic drugs. Methods : We collected clinical data from hospitals in Shandong and Guizhou provinces in 2016 and selected patients with history of narcotic drugs and psychotropic drugs. We investigated them through telephone or face-to-face interview,then described the characteristics of demographic information and abuse or dependence of narcotic drugs and psychotropic drugs in diagnosed drug abusers. Results : A total of 280 patients with drug abuse or dependence were recruited,of which 223 cases from nine hospitals in Shandong and 57 cases from five hospitals in Guizhou. There were 170 male patients,accounting for 60.71%; 193 patients aged 45 years and above,accounting for 68.93%; 223 married patients,accounting for 80.51%; 166 patients with a education level of junior high school and below,accounting for 61.25%; 125 patients engaged in agriculture,accounting for 48.64%. Benzodiazepine was the main drugs abused or dependenced by hospital patients,accounting for 73.57%（206 cases）. There were also 83 cases of polydrug abuse,accounting for 29.64%. Among the patients with drug abuse or dependence,45.71% had no special feelings,41.07% had symptoms or felt uncomfortable after withdrawal; 64.64% was for improving their sleep quality. Conclusion Most patients with abuse or dependence of narcotic drugs and psychotropic drugs are middle- or senior-aged and have polydrug abuse. Benzodiazepine are the main abused drugs. The common reason for narcotic and psychotropic drug abuse or dependence is to have a good sleep.

Objective To compare the clinical efficacy of nasal intermittent positive pressure ventilation (NIPPV) and heated humidified high flow nasal cannula (HHHFNC) in the treatment of respiratory distress syndrome (RDS) among low-birth-weight premature infants.Method From May to December 2015,low-birth-weight premature infants with RDS who were born and treated in our hospital were randomly assigned into NIPPV group and HHHFNC group according to their initial ventilation mode.The incidence of initial treatment failure,the usage of pulmonary surfactant (PS),the parameters of respiratory support treatment and the incidence of complications were analyzed.Result A total of 70 cases with grade Ⅰ ～ llⅢ of RDS were included,including 33 males and 37 females.The birth weight ranged from 1 020 to 2 450 g,with a average of (1 845 ± 475) g.NIPPV and HHHFNC group each had 35 cases.No significant differences existed between the two group in the following items:the rate of mechanical intubation within 72 h (5.7％ vs.11.4％),use of PS (0％ vs.8.6％),incidence of severe apnea (11.4％ vs.14.3％),pneumonia (11.4％ vs.14.3％),the duration of invasive mechanical ventilation [76.3 (30.8,150.4) h vs.97.6 (56.2,142.6) h],non-invasive ventilation [65.0 (43.0,119.0) h vs.96.0 (65.0,134.0) h] and the duration of oxygen therapy [154.0 (47.0,340.0) h vs.148.0 (72.0,327.0) h,it was no (P ＞ 0.05).Also,no significant differences in the incidence of bronchopulmonary dysplasia,necrotizing enterocolitis,retinopathy of prematurity,patent ductus arteriosus,intra-ventricular hemorrhage,nose injury,pneumothorax between the two groups.Conclusion As an initial respiratory support for the treatment of low-birth-weight RDS preterm infants,HHHFNC has similar efficacy and safety with NIPPV,and further clinical research is needed.