Highly active antiretroviral therapy (HAART) can effectively suppress thehuman immunodeficiency virus (HIV) replication andsignificantly reduce morbidity and mortality of HIV-infectedpatients,which howevercan't completely remove the virus,and eventually progressinto chronic viral-infection disease.Chronic HIVinfection destroys host immune system,leading to intestinal barrier damage,intestinal mucosal dysfunction,microbial translocation,and further accelerates the disease progress.The reconstruction of intestinalmicroflora balance and improvement of intestinal mucosa function areessential to reestablish the host immune system.This paper will review the current research advanceson intestinal barrier damage of HIV infection and gut-target therapy of AIDS.The aim is to provide valid evidences for further research targeting improvement of treatment strategiesandreduction of morbidity and mortality in HIV infection.

Objective To transduct with human telomerase reverse transcriptase(hTERT) to Schwann cells via electransfection technique to prolong the life span and enhance the proliferative capacity of Schwann cells.Methods The hTERT RNA was derived from esophagus cancer tissue and pcDNA3.1-hTERT vector was built.With electransfection technique, we tmnsfected vector into ADSCs.The PCR,TRAP-PCR, and PI-annexin V were tested to prove the expression of hTERT in ADSCs.Results After transduction the hTERT RNA in Schwann ceils, TRAP-PCR test, PI-annexin V dying and S100 dying was positive.Conclusion Telomerase catalytic subunit(hTERT) is transduct into Schwann cells, and it can to enhance the prolifertative capacity.

With growing dependence on picture archiving and communication systems(PACS) for viewing images,a quality assurance program to the condition of workstation displays and image quality guidelines for better cost-efficacy and diagnostic accuracy has become increasingly important.This article analyses and synthesizes the quality control of the PACS phantom workstation mainly from such aspects as the monitor resolution and brightness,the environment degree of illumination,statistics assessment method(ROC curve) and so on.

With the enforcement of YY 0505-2012 standard,more attention has been paid to the electromagnetic compatibility test of medical electrical equipment.In all the test items involved in YY 0505-2012,the radiation emission test is the most complicated and the hardest to be passed,so it is very important to master the test method.Microwave therapy equipment is a kind of equipment using microwave radiation energy to treat diseases,and is supervised as class Ⅲ medical equipment.According to the requirements of the relevant standards,all the electromagnetic compatibility testing items of microwave equipment are listed,and the test difficulty and the test focus of the equipment are studied.In the frequency band of the radiation emission experiment,microwave treatment equipment is divided into different categories according to the purpose and environment of the application.By comparing the data of the tests,the differences of different classes of microwave treatment equipment in the radiation emission tests are summarized.

PurposeTo study the pharmacokinetic characteristics of omeprazole in Chinese extensive and poor metabolizers.Methods The pharmacokinetics of omeprazole was studied in eighteen healthy volunteers. After a single oral dose of omeprazole capsule(40 mg), the plasma concentrations of omeprazole and its two metabolites, 5-hydroxyomeprazole and omeprazole sulfone, were determined with reversed HPLC method. The plasma concentration-time data were analyzed to estimate the pharmacokinetic parameters. Results Both plasma omeprazole concentration and the pharmacokinetic parameters exhibited marked interindividual variation. The metabolic ratio (MR= plasma omeprazole/5-hydroxyomeprazole) obtained 3.5 h after medication was used to distinguish between extensive and pcr)r metabolizers (EMs, PMs). The variances of AUC(0-12) caused by the two metabolizer phenotypes accounted for 75.4 % of the total interindividual variances. AUC(0-12) of omeprazole was (1 971.78 ±1 221.78)ng·h/ml in EMs( n=12) and (8 587.18±2 855.48) ng·h/ml in PMs (n = 6),respectively (P<0.01),and CL in EMs and PMs was estimated as (16.00±9.71) and (4.79±1.32) L/h (P<0.01). Accordingly,significantly lower level of plasma 5-hyclroxyomeprazole was found in PMs, revealing a slower hydroxylation rate compared with EMs. Conclusions The results suggest that individualized dose regimen of omeprazole, based on identification of metabolizer phenotype, can be of great benefit from the viewpoint of pharmacoeconomics.

Objective To study the method and ability of multi-slice CT isotropic scan and post-processing in displaying the anatomy of cervical vertebrae.Methods The normal cervical spines in 53 cases were scanned with isotropic parameters using 16-slice-helical CT.All the images were post-processed with the methods of MPR,MIP,SSD and VRT and each other were compared between them,then the best one was selected to compare with axial CT images and plain films.The abilities in displaying inter-vertebrae disc,spinal canal longtitude,vertebrae body,vertebral arch,zygapophyseal joint and inter-vertebrae foramen were compared among the 3D reconstruction,direct CT scan and X-ray plain film including post-anterior,lateral,left-anterior oblique and right-anterior position project.Results The quality of isotropic post-processing images had no remarkable differences with that of direct CT scan in showing inter-vertebrae disc,but it was better than X-ray plain film and conventional CT scan mode in showing other structures.Conclusion The multi-slice helical isotropic CT scan and post-processing images are of great value in the study of cervical spine.

Objective To compare the analgesic efficacy and side effects of patient-controlled intravenous analgesia (PCIA) with Lornoxicam and patient-controlled epidural analgesia(PCEA) with morphine in patients undergoing Orthopaedics surgery. Methods 100 ASA Ⅰ-Ⅱ Patients scheduled for Orthopaedic surgery were divided randomly into two groups: Lornoxicam PCIA group( n =50) , Lornoxicam 48mg was diluted to 100ml with normal saline (0.9%NS). Morphine PCEA group( n =50), Morphine 9mg + bupivacaine 150mg were diluted to 100ml with normal saline (0.9%NS) .In both groups the patients were received PCA at a rate of 2ml/h with the bolus dose of 0.5ml and lockout interval of 15min. The loading dose was Lornoxicam 8mg plus Ondansetron 4mg in group PCIA and morphine 1mg and Ondansetron 4mg diluted to 10ml with normal saline (0.9%NS) in group PCEA 30 minutes before the end of operation. BP, RR, ECG, SpO_2 were monitored continuously after operation. Efficacy of analgesia was assessed by VAS scores. Side effects such as drowsiness, sweat, nausea, vomiting and skin pruritus were also observed. Results There was no significant difference in the mean VAS score between group PCIA and group PCEA at 4h, 8h, 16h ,20h, 24h, 32h and 48h. after operation. There was no significant difference in side effects between the two groups except the occurrence of sweat, nausea, vomiting and skin pruritus which was lower in group PCIA than in group PCEA ( P

To investigate the clinical efficacy of massage manipulation reposition for treatment of child hip-joint semiluxation, sixty-seven cases of child hip-joint semiluxation were treated by massage manipulation reposition. Sixty-two cases were cured and 5 cases improved. The total effective rate was 100%. Massage manipulation reposition is an effective method for treating child hip-joint semiluxation.

Objective To assess the value of high-resolution ultrasonography in diagnosis of cubital tunnel syndrome. Methods Forty-two patients (43 elbows) initially diagnosed as cubital tunnel syndrome underwent ultrasonography (US), while 15 healthy contralateral elbows of these patients taken as self controls, and 15 healthy volunteers as normal controls underwent US of the ulnar nerve. The findings of US measurements were compared with that of intra-operative results and pre-operative electromyography. Results High-resolution US displayed changes and some etiological factors of cubital tunnel syndrome. The measurements of ulnar nerve at the proximal part of the compression were higher than those in the control groups. The cut-off point of cross-sectional area (CSA) and CSA tumefaction ratio was 0.11 cm~2 and 141.50%, respectively. The sensitivity of US was 92.86% compared with intra-operative results, and was 100% when combined with pre-operative electromyography. Conclusion High-frequency ultrasound can be used as an effective method to diagnose cubital tunnel syndrome.

12 months, baseline serum HBV DNA ≥104copies/ml) were prospectively followed. Virological and serologic responses and laboratory data of liver and renal function of each patient enrolled were monitored every three months. Entecavir resistant mutations were detected by direct sequencing of HBV reverse transcriptase region which was amplified by semi-nested polymerase chain reaction (PCR). HBV sequences of different genotypes obtained from GenBank were aligned to identify entecavir drug resistant substitutions. Results Of the 41 lamivudine refractory CHB patients who met the inclusion criteria, 16 patients (39%) achieved the point of undetectability in HBV DNA level (