1.Pathological manifestation of sacroiliitis in spondyloarthropathies
Qingwen WANG ; Qingyu ZENG ; Mingyao WU
Chinese Journal of Rheumatology 2000;0(06):-
Objective To study pathological feature of sacroiliitis of spondyloarthropathies (SpA) in different stages,and improve the threshold of early diagnosis of SpA.Method Samples of sacroiliac joints (SIJ) of 8 patients with ankylosing spondylitis (AS) and 5 patients with undifferential spondyloarthropathies (uSpA) were taken when SIJ steroid injection was performed.The pathological feature was studied.Results Synovitis,including lining cell hyperplasia and inflammatory cell infiltration in looseconnective tissue,local cartilage degeneration,fibrosis and inflammatory cell infiltration in subchondral bony plate and marrow cave were found in 6 (86%,6/7) samples in patients with normal/suspectable SIJ CT scan.In the CT Ⅱ and Ⅲ degree sacroiliitis,marked degeneration and fibrosis of cartilage,inflammatory cell infiltration,pannus formation and subchondral bony plate destruction were increasingly prominent.In the advanced sacroiliitis (CT Ⅳ degree),destruction and calcification of cartilage and subchondral bony plate were the major feature.Eosinopil (EO) was increased in the infiltration cells of synovium and subchrodral bony plate in 3 samples.Conclusion Synovitis,including hyperplasia of lining cell and the infiltration of inflammatory cell in loose connective tissue,and local cartilage degeneration and inflammatory cell infiltration,and destruction of subchondral bony plate are the early changes identified in sacroiliitis.Pathological examination can improve the threshold of early diagnosis of sacroiliitis in case it cannot be confirmed with CT scan.
2.COMPARATIVE STUDY ON PHARMACOKINETICS OF 5-FU INJECTED VIA SPLENIC ARTERY AND AURICULAR VEIN IN RABBITS
Xiaohua ZENG ; Songzhang WANG ; Xiaochu WU
Medical Journal of Chinese People's Liberation Army 2001;0(07):-
To study the pharmacokinetics of 5 FU after splenic artery(IA) and auricular vein(IV) infusion, portal vein blood was collected for measurement to appraise the clinical value of treatment with this anti tumor drug via different routes on malignant hepatic neoplasms. 5 FU in portal vein blood was measured with high performance liquid chromatography. The results showed that the concentration of 5 FU in IA group was higher than that in the IV group. The peak concentration of 5 FU in the IA group was higher than that in the IV group by 64%. The area under the curve (AUC) of 5 FU in the IA group was larger than that in the IV group by 42%. It suggested that higher concentration of anti tumor drug in the portal vein could be obtained via splenic artery infusion, and it is valuable for the treatment of malignant hepatic neoplasms.
3.Use of the stochastic frontier cost model in the technical efficiency evaluation of TCM hospitals
Weicheng WANG ; Wu ZENG ; Yuanyuan BING
Chinese Journal of Hospital Administration 1996;0(05):-
Objective To analyze the present situation of technical efficiency in TCM hospitals throughout the country, discuss the influencing factors causing inefficiency and propose corresponding suggestions. Methods The technical efficiency in 60 TCM hospitals in the country was analyzed using the stochastic frontier cost model for panel data and the influencing factors causing inefficiency were discussed using the multiple stepwise regression method. Results The average technical inefficiency was 22.59% and inefficiency showed an upward trend as the areas shifted from the eastern through the middle to the western regions. Five factors, including the utility rate of beds and the proportion of health technicians among the entire hospital staff, were statistically significant so far as the effect on the increase of the overall cost was concerned. Conclusion The stochastic frontier cost model for panel data is the best method for evaluating the technical efficiency in TCM hospitals. On the basis of the above analysis, suggestions for strengthening scientific management, improving the utility rate of resources and reducing unnecessary waste are put forward.
4.Evaluation of ARB in Anithypertersive Therapy
Ai WANG ; Guangmin ZENG ; Zhenping WU
Journal of Chinese Physician 2002;0(S1):-
Objectives To evaluate the effectiveness of ARB in antihypertensive therapy and judge whether it can also protect cardiovascular. Methods A randomized double-blinded placebo-controlled study was used to survey over ten thousand patients in ARB clinical practices. The primary endpoint was stroke, acute myocardial infarction, heart failure, deadly cardiovascular diseases, total mortal. The results were given comprehensive analysis and statistical processing. Results In LIFE study, ARB was more effective than ?-blockers and ARB had the role of protecting the cardiovascular besides lowering the blood pressure. But the VALUE study showed that ARB was not more effective than Besylate. Conclusion There is no obvious distinction between ARB and the other drugs in reducing the blood pressure.
5.Study on periodontal disease in Chinese in Xia Dynasty
Wei WANG ; Xianglong ZENG ; Wu LIU
Journal of Peking University(Health Sciences) 2003;0(05):-
Objective:To study the teeth of the ancients in Xia Dynasty,the first dynasty in Chinese history about 4 000 years ago,and acquaint ourselves with their incidences of periodontal disease,and the evolution of oral diseases.Methods:The teeth and jaws excavated in Erlitoou,Henan Province and Youyao,Shanxi Province were observed with clinical methods.The specimens totaled 56 individuals(male 38,and female 18),including 894 teeth,and 86 dental arches.The objects were all permanent teeth.The major observation items were periodontal disease.The prevalence of periodontal disease of the people in Chinese Xia Dynasty were outlined.Results:The prevalence rate of periodontal disease was 19.80% in the 894 teeth,while prevalence rate was about 42.86% among the individuals.The premortal tooth lossrate was 7.45% in the observed teeth.Conclusion:Periodontal disease is an aging-related disease without sex difference and commonly seen in the mandible,which is quite similar to the situation at present.The periodontal disease was the main reason for tooth loss in people of Xia Dynasty.
6.Report of 16 cases of eosinophilic fasciitis with literature review
Hui WANG ; Aiyu WU ; Xinwang DUAN ; Xiaofeng ZENG ; Qian WANG
Chinese Journal of Rheumatology 2013;(3):179-181
Objective We reported 16 eosinophilic fasciitis (EF) patients with eosinophilic fasciitis and performed a systematic review of the literature to improve the disease awareness.Methods The clinical course of 16 patients with eosinophilic fasciitis at the Peking Union Medical College Hospital were described,inclu-ding demographic data,clinical manifest-ations,laboratory tests,pathology and treatment.Results The mean age at diagnosis was (47±8) years,with 13 female and 3 male patients.Three cases had exertion or strenuous sports before the onset of EF.Positive ANA was noted in 6 of 12,positive RF was noted in 3 of 10,hyper-gammaglobulinemia was noted in 6 of 7,elevated IgG was noted in 8 of 13,peripheral blood eosinophilia was noted in 10 of 16,while thrombocytopenia was found in one patient.Conclusion Based on this and other reported cases in the literature,EF may be a kind of autoimmune disease.Genetic influence and environ-mental factors are involved in the development of this disease.Systemic involvement is rare.In general,corticosteroids and immunosuppressive are effective in EF.
8.The establishment of a new method to detect food allergen specific IgE and its clinical application for detecting allergic diseases
Hongmei DING ; Xueqian WANG ; Junfang ZHAO ; Wantong WU ; Zhaowei ZENG
Chinese Journal of Laboratory Medicine 2008;31(11):1221-1223
Objective To prepare a detective membrane strip for detection of food allergen-specific IgE in serum samples and estimate its clinical application value in allergic diseases. Methods The crude extracts of the food allergens were prepared. Nitrocellulose membrane as the solid support was selected and the coating and the detecting conditions were optimized. The membrane strips were used to detect serum samples in 210 patients with allergic diseases and the results were compared with German Allergy Screentesting system. Results The optima] experimental conditions were as follows: The NC membrane was adopted as the solid support. After being spotted, the food allergens were incubated for 2 hours at room temperature, followed by 2% PVA blocking for 1 hour. After serum samples were diluted (1: 10) and incubated for 2 hours at room temperature, the concentration of anti-human IgE was 2 μg/mL Compared with the German Allergy Screen-testing system, their positive detectical coincidence was 63.6%, and negative detectical coincidence was 94. 6%. The two methods had no difference in detecting the majority of food allergens such as egg white, milk, peanut, soybean, crab and shrimp (X2 2.53, 2.40, 2.08, 2.38, 0.17,1.13, P>0.05). Conclusions The advantages of our method for detecting allergic diseases are little serum needed, multiple detective allergens, simple manipulation and low cost. This method has obvious clinical application value, which should be a new detective method for the allergic diseases with broad perspectives.
9.Study on the diagnosis application using recombinant protein of immunodominant region gene of chlamydial protease-like activity factor from Chlamydophila psittaci
Shaosheng WANG ; Yimou WU ; Lili CHEN ; Yanhua ZENG ; Liangzhuan LIU
Chinese Journal of Microbiology and Immunology 2011;31(9):781-786
Objective To clone and express the immunodominant domain of the chlamydial proteaselike activity factor(CPAF) from Chlamydophila psittaci(Cps) and evaluated the diagnosing value of the recombinant protein in Cps infection.Methods The immunodominant region epitope of CPAF (CPAFm,A196-A450)from Cps was chosen according to bioinformatics analysis and references.The specific primer was designed and the gene was amplified by PCR and then ligated into a pGEX6p-2 vector.Recombinant protein was induced to express by IPTG and analyzed by SDS-PAGE and Western blot.Indirect EL1SA method of serological diagnosis was established with the reorganization protein as coating antigen.One hundred and eighty sera samples from ducks with respiratory tract infection symptoms were detected with the established indirect ELISA and a commercial ELISA-kit to assess the value of the recombinant protein in serodiagnosis.The results were further identified with Western blot.Results Prokaryotic expression vector pGEX6p-2/CPAFm was constructed and a 54x103 fusion protein was attained.The indirect ELISA method was established with reorganization protein for envelope antigen.Using the indirect ELISA to detect Cps lgG positive and negative reference sera,the sensitivity and specificity were both 100% (20/20).And the recombinant protein has no cross reaction with either Chlamydophila pneumoniae or Chlamydophila trachomatis.The concordance rate between the indirect ELISA and Western blot to 180 ducks sera samples was 100%,while the concordance rate of the commercial ELISA kit was 77.5%-95.0%.Conclusion The prepared recombinant protein of the CPAF immunodominant region epitope gene from Gps can highly benefit on developing new indirect ELISA as methods to detect specific anti-Cps antibodies.
10.ROC Curve of Negative Multi-detector Row CT Cholangiopancreatography in Patients with Suspected Obstructive Biliary Diseases
Xiaoshan GUO ; Mei WU ; Xinqun ZENG ; Wei WEN ; Changquan WANG
Journal of Practical Radiology 2001;0(06):-
Objective To evaluate the value of diagnostic negative MDCT cholangiopancreatography in patients with suspected obstructive biliary diseases by receiver operating characteristic(ROC)curve. Methods Dual-phases contrast-enhanced MDCT of the abdomen was performed in 30 patients.Multiplanar reformation,minimum intensity projection and volume rendering were generated using original data in vein phase.By double-blind method,the images were readed by two radiologists.ROC curves were analysed with software SPSS11.5,the different results of reading images between two radiologists was evaluated with Kappa test.Results The Az of the area under the ROC curve of MDCT cholangiopancreatography for the two observers was 0.968 and 0.962 respectively,it was more than 0.9,which showed that the value of diagnosing the suspected obstructive biliary diseases by negative MDCT cholangiopancreatography was good.Kappa index test was satisfactory.Conclusion Negative MDCT cholangiopancreatography may be a routine choice in diagnosing the suspected obstructive biliary diseases.