Refractory nephrotic syndrome(RNS) is one of the main causes of end-stage renal disease (ESRD) in children,which is also a difficult issue in clinic.Several therapies,including immunosuppressive agents,have been shown to be effective and safe for RNS.It is proved,however,that a substantial number of children are still refractory to treatment despite these therapies.Recently,rituximab as a new immunosuppressant has achieved good results for RNS,and a number of case reports and clinical trials have suggested that rituximab may be effective for children with RNS.This review will analyse the scientific basis for the efficacy and safety of using rituximab in children with RNS.

Acute kidney injury (AKI)was a common problem in children in clinic.pRIFLE Criteria, AKIN Criteria, KDIGO Criteria are the main classification criteria of AKI.Though serum creatinine is still used as the most common biomarkers for diagnosis of AKI, the sensitivity and specificity is unsatisfactory.In recent years, many potential biomarkers of AKI have been studied in a variety of experimental and clinical settings.This review describes the novel biomarkers of AKI, including cystatin C, neutrophil gelatinase associated lipocalin, interleukin-18 ,kidney injury molecule-1 and liver-type fatty acid binding protein,, which have now made a progress in clinic.

The Wireless Body Area Network (WBAN) is a key part of the wearable monitoring technologies, which has many communication technologies to choose from, like Bluetooth, ZigBee, Ultra Wideband, and Wireless Human Body Communication (WHBC). As for the WHBC developed in recent years, it is worthy to be further studied. The WHBC has a strong momentum of growth and a natural advantage in the formation of WBAN. In this paper, we first briefly describe the technical background of WHBC, then introduce theoretical model of human-channel communication and digital transmission machine based on human channel. And finally we analyze various of the interference of the WHBC and show the AFH (Adaptive Frequency Hopping) technology which can effectively deal with the interference.
Computer Communication Networks ; Humans ; Models, Theoretical ; Wireless Technology

Diagnosis and management of hip injuries has advanced significantly in the past few years with the improvement of arthroscopic techniques of the hip. Many of pathologic conditions previously unrecognized and untreated have been diagnosed and treated correctly under hip arthroscopy . Current application for hip arthroscopy include management of labral tears,osteoplasty for femoroacetabular impingement, thermal capsulorrhaphy and capsular plication for subtle rotational instability and capsular laxity, lateral impact injury and chondral lesions, osteochondritis dissecans, ligamentum teres injuries, internal and external snapping hip, removal of loose bodies, synovial biopsy, subtotal synovectomy, synovial chondromatosis, infection, and certain cases of mild to moderate osteoarthritis with associated mechanical symptoms. In addition,patients with long-standing, unresolved hip joint pain may benefit from arthroscopy. Patients with reproducible symptoms and physical findings that reveal limited functioning, and who have failed an adequate trial of conservative treatment will have the greatest likelihood of success after arthroscopic intervention. Prescise attention to thorough physical examination, detailed imaging,and adherence to safe and reproducible surgical techniques are essential for the success of this procedure.

Two types of elbow arthroplasties are used in current clinial practice:interpositional and implant arthroplasty.Interposition elbow arthroplasty neither completely eliminates pain nor restores full function.It may be indicated for young active patients with severe inflammatory or posttraumatic arthritis,especially those with limited elbow motion.Current implant arthroplasty has come a long way in the past three decades.Elbow implant survival data nearly approach those of knee arthroplasty.The majority of patients have significant improvement in function and marked pain relief after total elbow replacement.However,the complication rate is higher than that for total hip and knee arthroplasty,is likely inherent in the anatomic uniqueness of the elbow itself.Greater caution must be paid to prevention of the complications of total elbow replacement.This article reviews the types,indications,contraindications and results of elbow arthroplasty.

[Objective]To evaluate the therapeutic effect of arthroscopic treatment for osteoarthritis of the knee,and explore the factors related to clinical outcome. [Methods]Three hundred and sixty-two patients with knee osteoarthritis were treated by arthroscopic surgery in the 88th hospital from May 2000 to November 2007. Of them,124 patients were followed-up completely. Quantified clinical data were input into computer and analyzed statistically by SPSS 16.0 software. Lysholm score was used to evaluate the therapeutic effect. Lysholm scores before surgery and at follow up were compared with paired t test. Patients were divided into different subgroups according to sex,locking,X -ray grade,arthroscopic grade and surgical methods. Lysholm scores at the final follow up of different subgroups were compared with variance analysis. The factors related to operation outcome were explored by using multiple stepwise linear regression analysis.[Results]One hundred and twenty-four patients were followed up from 7 to 96 months with an average of 39.6 months. Preoperative Lysholm score was (46.10?2.80),the score at follow up was (70.69+2.90),there was significant difference between preoperative score and at follow up (t=9.362,P0.05). The difference was significant between groups whether locking or not (F=10.654,P

[Objective]To explore the effects of joint synovial fluid on tendon-bone healing of reconstructed ligament. [Methods]Forty female New Zealand rabbits,aged 6 months,weight 2.5~3.5 kg,were divided into 4 groups randomly.Transfer of semitendinosus tendon to the bone tunnels was performed to make bone-tendon healing model,on the right knee the bone tunnel was not communicated to the joint cavity,in contrast,the bone tunnel on the left knee was connected with synovial fluid.Animals in one group were killed at 8 weeks after operation,bone-tendon healing samples were harvested for biomechanical test.Animals in other three groups were killed at 2,4 and 8 weeks after operation respectively to harvest the samples for histological observation.HE and Masson staining were conducted to examinant histological change.[Results]At 2 weeks after operation,there was no significant difference between non joint synovial fluid group and joint synovial fluid group in bone-tendon interface healing,which were filled with granulation tissue.At 4 weeks postoperatively,interface healing in non joint synovial fluid group was obvious better than that in joint synovial fluid group.Fibroblast cells and cartilage cells increased obviously,and collagen fibers synthesized.At 8 weeks after operation,tendon-bone interface in joint synovial fluid group was filled with connective tissue,the collagen fibers arranged disorderly.In contrast,more compact collagen fibers were seen in non joint synovial fluid group.Interface cell accounts in non joint synovial fluid group were superior to that in joint synovial fluid group at 2,4,8 weeks after operation (P

OBJECTIVE:To improve the quality standard of Naoliqing capsule. METHODS: The Sus scrofa domestica and Achyranthes bidentata in Naoliqing capsule were identified by TLC, and the content of oleanolic acid was determined by HPLC. RESULTS: The characteristic TLC spots of the Sus scrofa domestica and Achyranthes bidentata in Naoliqing capsule were detected. The linear range of oleanolic acid was 0.5～7.5 ?g(r=0.999 6) with an average recovery of 97.43%(RSD=1.94%,n=6). CONCLUSION: The results are conducive to the improvement of the quality standard of Naoliqing capsule.

OBJECTIVE:To observe the efficacy of Compound Epidermal Growth Factor Pellicles for recurrent oral ulcer. METHODS: 106 patients with recurrent oral ulcer were randomly assigned to receive Compound Epidermal Growth Factor Pellicles with efficacy-confirmed hospital preparation as control. The clinical efficacy in two groups was compared. RESULTS: The effective rate was significantly higher in patients treated with Compound Epidermal Growth Factor Pellicles than with hospital preparation (control) (89.66% vs. 75.00%,P

OBJECTIVE:To establish a microbial limit test method for Naoliqing capsules and validate the methodology.METHODS:In accordance with Chinese Pharmacopoeia 2005th edition,a verification test on the microbial limit test mothod of Naoliqing capsules was carried out using escherichia coli,bacillu subtilis,staphy lococcus aureus,aspergillus niger and candida albicans.RESULTS:The recovery rates of the above different test bacteria were all above 70%,and the recovery rates of 5 test bacteria in diluting agent were all above 70%.CONCLUSION:The routine method is applicable for microbial limit test of Naoliqing capsules.