Objective To utilize air pressure for slimming. Methods The external counterpulsation was taken as the master, the non-motivity of which was utilized to develop special air pressure slimming unit based on the structure of human body and physiological characteristics. Results The air pressure slimming unit could work on the existing external counterpulsation with desirable results. Conclusion The air pressure slimming unit can be used not only on the existing external counterpulsation, but on other pneumatically operated equipment with control circuit. As aerobics, the working mode of air pressure slimming unit is a kind of long time and passive aerobic exercise with fixed position, frequency and mode. It is safe and the curative effect is reliable.

Objective To investigate the current national situation of autoantibody test in order to improve the quality of autoantibodies test.Methods Hospitals or departments in the whole country participated voluntarily or on invitation.Fifteen samples in total were distributed double-blindly,and autoantibodies including anti-nuclear antibody (ANA),anti-double-stranded DNA (anti-dsDNA) antibody,anti-extractable nuclear antigens (anti-ENA),anti-citrulline antibody (anti-CCP),anti-mitochondria antibody (AMA) and anti-smooth muscle antibody (ASMA) were tested in 6 samples.The samples were used for AMA and ASMA tests.Results A total of 148 hospitals or departments participated and multiple testing methods were adopted.The accurate rate of ANA(97.3％),AMA (96.1％),ASMA (92.1％) and anti-CCP (97.4％) were higher than that of anti-dsDNA (81.9％) and anti-ENA (77.2％).Anti-RNP and anti-Scl70 in anti-ENAs had the lower accurate rate,90.9％ and 80.3％ respectively.Taking data of the past 10 years together,the accuracy of antiSSA,anti-SSB,anti-Sm had been stable since 2009,while that of anti-RNP and anti-Scl70 decreased slightly.For methodology,indirect immunofluorescence was mainly adopted in the testing of ANA,anti-dsDNA,AMA and ASMA,immunoblotting was mainly adopted in anti-ENA detection and enzyme linked immunosorbent serologic assay was used for anti-CCP test.Conclusion No major variation of primary testing method is found in recent 10 years.Although diverged greatly among different methods,the accuracy of antibody detection has improved year by year.

Objective To establish a swine model of 10 min prolonged cardiac arrest (CA) induced by electrically triggered ventricular fibrillation,and then evaluate the quality of the model and the value in the establishment of post-cardiac arrest syndrome.Methods Fourteen domestic healthy swine weighing 38 ±3 kg were selected for study.Ventricular fibrillation was induced for 10 min,and then cardiopulmonary resuscitation (CPR) was initiated and continued for 5 min.The resuscitated animals were observed for 72 h after resuscitation.The resuscitation outcomes and survival rate were recorded.The functions of heart,lung and brain,and systemic inflammatory response and tissue perfusion were regularly evaluated for 72 h post-resuscitation.Results Eleven of the fourteen swine obtained restoration of spontaneous circulation (ROSC),and the rate of successful resuscitation and 72 h survival were both 78.6％.Significantly worse post-resuscitation myocardial function was found in all animals compared to the value prior to CA and the myocardial function was evaluated by decreased stroke volume and global ejection fraction,and increased levels of serum cardiac troponin-Ⅰ and n-terminal pro brain natriuretic peptide.Postresuscitation extra-vascular lung water index and pulmonary vascular permeability index were significantly increased accompanied with significantly decreased oxygenation index compared with the values before CA,indicating the occurrence of acute lung injury.In addition,post-resuscitation systemic inflammatory response and tissue low perfusion evidenced by significantly higher levels of serum tumor necrosis factor-α and interleukin-6 and arterial blood lactate were observed.Consequently,severe neurological deficit with significantly higher levels of serum neuron-specific enolase and S-100B was observed following 72 h postresuscitation.Conclusions This swine model of prolonged cardiac arrest induced by electrically triggered ventricular fibrillation was a well established model with high success rate of resuscitation,significant vital organ injury and relatively long duration of survival;it is an excellent model for the study of post-cardiac arrest syndrome.

Objective To consecutively investigate the quality of auto-antibody testing of the whole country and to improve quality.Methods A nation-wide investigation was carried out and hospitals or departments participating were notified by letter or telephone communication.Autoantibodies tested for quality control survey included anti-nuclear antibody (anti-ANA),anti-double-stranded DNA (anti-dsDNA)antibody,anti-extractable nuclear antigens (anti-ENA) antibody,anti-mitochondria antibody (AMA),anti-smooth muscle antibody (ASMA) and anti-citrulline antibody (anti-CCP).There were 15 samples in total for testing,including 3 control samples for each test.Same sample was used for both AMA and ASMA test.Sample distribution and data analysis were carried out double-blindly.A total of 114 hospitals or departments participated in the survey.Multiple testing methods were adopted including indirect immumo-fluo-rescence (IIF),immuno-blot (IB),dot-blot (DB),double immuno-diffusion (DID),enzyme linked immuno-sorbent assay (ELISA),chemiluminescent assay,dot-immunogold filtration assay.Results The accurate rates for this survey were 98％,96.6％,89.5％,98.1％,92.1％,96.4％ respectively for ANA,anti-dsDNA,anti-ENA,AMA,ASMA and anti-CCP.Anti-ENAs were further divided into anti-RNP,anti-Sm,anti-SSA,anti-SSB and anti-Scl-70 subgroups,and the accurate rates were 88.4％,96.8％,100％,100％ and 95.8％,respectively.Titers of ANA varied greatly among different labs,so did quantitative analysis of anti-CCP,AMA and antidsDNA by ELISA.However,the accuracy of ANA types determined by IIF was greatly improved.Detection rate of AMA and AMSAwas still low.Conclusion Among detected antibodies,ANA,anti-dsDNA and antiCCP are the most prominently improved.Accurate rate of anti-ENA antibody is slightly increased.

Objective To analyze the clinical features of systemic lupus erythematosus (SLE) com-plicated by noncirrhotic portal hypertention (NCPH),and improve the recognition of NCPH.Methods Clinical data from SLE complicated by NCPH in our hospital were retrospectively analyzed and summarized,while the related literatures were reviewed.Results Four patients diagnosed as SLE complicated by NCPH were all women.NCPH presented with the clinical features of portal hypertension with normal or slightly elevated transaminase.Anticardiolipin (ACL) antibodies were positive in 2 patients.Two patients underwent liver needle biopsy,showing nodular regenerative hyperplasia,of which,one with liver portal fibrosis.The treatment strategy was managing the primary disorder and controling of portal hypertention in four patients.Twenty-two cases of SLE complicated by NCPH were reviewed and analyzed,including 18 cases from related literatures and our 4 cases.Among the 22 cases,the mean time between the diagnosis of SLE and NCPH was eight years,of which one patient with NCPH before SLE,one diagnosed at the same time and the rest with NCPH after SLE.19％ (4/21) of patients presented with Raynaud's phenomenon and 18％ (4/22) complicated by pulmonary hypertension.In serological tests,patients presented with positive ACL anti-bodies [33％(7/21)] and anti-dsDNA [48％(10/21)],as well as increased IgG and γ-Globulin [38％(8/21)].Liver needle biopsy showed nodular regenerative hyperplasia or liver portal fibrosis with the prevalence of 80％ (16/20) and 25％ (5/20),respectively.Conclusion SLE complicated by NCPH is very rare clinically and is easily being misdiagnosed without obvious symptoms and signs in the early stage.Positive ACL antibodies and Raynaud's phenomenon maybe be closely related to SLE complicated by NCPH.

OBJECTIVE: In recent years, available evidence from basic and clinical research on Alzheimer disease(AD) suggests that oxidation stress is involved in the occurrence and development of AD, and that antioxidant treatment can improve the intelligence of patients with AD and delay age-dependant cognitive dysfunction. Although results of basic and clinical research on the therapeutic effects of antioxidants on AD are inconsistent, a large number of available data suggest that these studies are of significance. Basic pharmacological studies on natural antioxidant TA99 series indicate that they are promising novel drugs for AD. Thereby, this study made a review of their experimental basis in the treatment of AD and existing problems.DATA SOURCES: Related articles published between January 1991 and December 2004 were searched by the computer in Medline database with such key words as Alzheimer disease, antioxidant, Ginkgo biloba extract, TA9901,acetylcholine, and senescence-accelerated mouse in different combinations and with the language limited to English. Meanwhile, related articles were alsosearched in CDMA \Wanfang database with the same key words in Chinese.STUDY SELECTION: Literature involving intervention group and control group were screened in the first trial, and then non-randomized trials were excluded and the rest were searched for the full text.DATA EXTRACTION: Of the 24 basic and clinical randomized and non-randomized trials on antioxidants in the treatment of AD collected, 17 accorded with the inclusion criteria and the other 7 were excluded.DATA SYNTHESIS: Intervention in the 17 trials emphasized the pathogenesis of AD from amyloid β proterin(Aβ) synthesis, gathering to senile plaque formation, and the enhancement of Aβ gathering and neuronal apoptosis by peroxidative injuries of free radicals. Both in vitro and in vivo studies were conducted: the effect of Aβ on neurons of different regions was observed with cell culture; transmission electromicroscope and sulfrin T (Th-T) fluorescence assay, Fuliye-transform infrared(FT-IR) spectrum apparatus, electron magnetic resonance(EPR), and round spectrum were used to detect the inhibitory effect of TA99 series on Aβ gathering and fibroplasia in vitro, as well as the influence on Aβ gathering in vivo. Senescence accelerated mouse (SAM) -P/8 was adopted to establish AD model and behavioral studies such as Morris water maze were used to investigate their effect on learning and memory. Meanwhile, the clearance of intracerebral amyloid granular deposition due to TA99 was also observed with hexamic argent staining. The effects of TA series on Aβ target and possible mechanism were fully revealed, and basic pre-clinical data collection was almost completed.CONCLUSION: TA9901 plant extractions have been proved to inhibit Aβ gathering and fibrosis, and improve learning and memory of SAM-P/8 rats. Moreover, TA9902 prepared by TA9901 combined with EGb761, another synergic herb, has an obvious anti-neurotoxic effect by inhibiting Aβ gathering, fibrosis and secondary structural changes. Further pharmacological research is needed and will have a promising prospect.

Objective To evaluate the effects of dexmedetomidine on hemodynamics during induction of anesthesia in the patients with atrial fibrillation with rapid ventricular rate undergoing noncardiac surgery.Methods Fifty patients with rheumatic valvular heart disease complicated with atrial fibrillation,aged 45-64 yr,weighing 50-75 kg,with ventricular rate ≥ 90 bpm,of ASA physical status Ⅱ or Ⅲll (NYHA Ⅱ or Ⅲ),scheduled for elective surgery,were randomly divided into 2 groups (n =25 each) using a random number table:control group (group C) and dexmedetomidine group (group D).Dexmedetomidine 0.6 μg/kg was infused intravenously at 10 min prior to induction of anesthesia in group D.Anesthesia was induced with iv midazolam 0.06 mg/kg,sufentanil 0.6 μg/kg,and vecuronium 0.12 mg/kg.Tracheal intubation was performed when the BIS value≤≤ 55After admission to operating room (T0,baseline),immediately after the end of dexmedetomidine infusion (T1),immediately before intubation (T2),and at 1,3 and 5 min after intubation (T3-5),SP,DP,MAP and HR were recorded.The adverse cardiovascular events were recorded starting from induction of anesthesia to 5 min after intubation.Results Compared with the baseline value at T0,HR was significantly decreased at T2,5,while increased at T3,4 in group C,and HR was decreased at T1-5 in group D; SP,DP and MAP were decreased at T2,5,while increased at T3 in group C,and no significant changes were found in the indices mentioned above in group D.Compared with group C,the incidence of hypotension,hypertension and tachycardia was significantly decreased,and no significant changes were found in theincidence of bradycardia in group D.Conclusion Dexmedetomidine 0.6 μg/kg infused intravously is helpful in maintaining the hemadynamics stable during induction of anesthesia in the patients with atrial fibrillation with rapid ventricular rate underging noncardiac surgery.

Objective To investigate the extent of pancreatic and liver function damage of acute necrotizing pancreatitis (ANP) rats under altitude hypoxia environment,and to provide a reference for better diagnosis and treatment of severe acute pancreatitis (SAP) in the plateau region.Methods Ninety-six specific pathogen free (SPF) Wistar male rats were involved in 1 500 meters,3 300 meters and 4 300 meters altitude.The model of ANP was established by using pancreatic capsule injection of sodium taurocholate (NaTc).In the sham operation group,the rats' belly was opened and closed after only flipping its pancreas several times.Rats in sham group were sacrificed at 6 h,and ANP group were sacrificed at 6,12,24 h after modeling.Serum amylase activity was measured,and pancreas and liver tissue were harvested for pathological examination and score.Results Serum amylase activity in sham operation group rats was not remarkably changed,and pathological changes of pancreas and liver were not obvious.At same altitude,serum amylase activity,pancreas and liver pathology score of ANP rats at each time point were significantly higher than those in the sham operation group;and serum amylase activity,pancreas and liver pathology scores of ANP 12,24 h group rats were significantly higher than those of ANP 6h group;and the difference was statistically significant (P ＜ 0.05).At 3 300 meters,4 300 meters altitude,the pancreas and liver pathology scores of ANP rats at each time point were significantly higher than those at 1 500 meters altitude,and the differences were statistically significant (P ＜ 0.05),but the difference in serum amylase activity was not statistically significant.Conclusions With the increase of altitude,pancreatic and liver pathological damage of ANP rats shows continuing aggravation.

Colistin is a kind of old cationic drug,which can interfere bacterial cell membrane,thus to cause bacterial death.It is mainly used for the treatment of infections caused by Gram-negative bacteria,and its antimicrobial activity against multidrug-resistant Gram-negative bacteria is also very significant.At present,colistin is widely used in veterinary medicine.This article aims to review colistin in chemical,pharmacological,and pharmacokinetic studies,and also summarizes the application and resistance of this drug,which will provide reference for the reasonable selection and use of this drug in animals.

Objective To analyze the causes of death and prognostic indicators of rheumatoid arthritis (RA).Methods A retrospective investigation was performed on 91 RA patients who were admitted into our hospital from 1990 to 2011.The clinical features and laboratory data were studied to assess the causes of death and the relationship between causes of death and disease activity and treatment.T test and x2 test were used for statistical analysis.Prognostic indicators of mortality were studied by Cox propor-tional hazards models.The prognostic indicators of RA were also analyzed.Results The three most common causes of death in patients with RA were infection (57％),cardiac-cerebral vascular diseases (13％) and cancer (12％).Severe disease activity and presence of extra-articular manifestations were more common among the patients who died.Seventy-five percent patients presented with systemic symptoms including fever,fatigue and weight loss,followed by pulmonary fibrosis (32％) and pleural effusion (27％).Cox regression analysis revealed that the presence of extra-articular features was independent risk determinant for mortality while DMARDs treatment was the independent protect determinant.Conclusion Infection,cardiac-cerebral vascular diseases and cancer are the main causes of death in RA.The presence of extra-articular features is the independent risk factor of RA.