Objective To investigate the effects of angiotensin Ⅱ (Ang Ⅱ ) and angiotensin Ⅱ type 1 receptor antagonist (AT1RA) on the transforming growth factor-β1 (TGF-β1) synthesis and tissue inhibitor of metalloproteinase-1 (TIMP-1) mRNA expression of in vitro cultured hepatic stellate cells (HSCs). Methods HSC-T6 rat hepatic stellate cell line was selected as the study model of the activated hepatic stellate cells. Cultured HSCs were randomized into control group, Ang Ⅱ group, AT1RA group and Ang Ⅱ AT1RA group. Cell culture medium was used to detect the TGF-β1 level by ELISA method. HSCs were harvested to measure the TIMP-1 mRNA expression by RT-PCR. Results TGF-β1 level of control group, Ang Ⅱ group and AngⅡ AT1RA group in cell culture medium was (7.531 ±0. 654) pg/mL, (9. 855± 1. 485)pg/mL and (7.719 ± 0.329) pg/mL respectively, Ang Ⅱ group higher than control group (P ＜ 0.05 ), Ang Ⅱ AT1RA group lower than Ang Ⅱ group (P ＜ 0. 05 ). TIMP-1 mRNA expression level of control group, Ang Ⅱ group and Ang Ⅱ AT1RA group in HSCs was 3. 387 ± 0. 042, 4.870 ± 0.061 and 3. 837 ± 0. 042 respectively, Ang Ⅱ group higher than control group ( P ＜ 0. 05 ), Ang Ⅱ AT1RA group lower than Ang Ⅱ group (P ＜ 0. 05). Conclusion AngiotensinⅡ can increase the TGF-β1 synthesis and TIMP-1 mRNA expression of hepatic stellate cells, while all these effects are inhibited by angiotensinⅡ type 1 receptor antagonist.

This paper reports the postoperative managenment of 58 cases who had various types of congenital heart disease and received artificial valves due to rheumatic heart disease in our institute from 1982 to 1984. Vaso-active agents were administered with the monitoring of the cardiac function. According to the hemodynamic parameters and the criterion for clinical typing, the vaso-active agents therapy can provide a precise prognosis and the therapy is of certain value in cardiac surgery.

OBJECTIVE To approach the nursing methods for protecting of the unilateral lung in eldly patients with severe pulmonary infection of both-sides after operation.METHODS The patients which had a relatively better function in one side ie.with a higher Sat-O2 value were selected.Using postural drainage and sputum aspiration in protecting the unilateral lung,turning the body over quickly and knocking the back of the body on the other-side of the lung were adopted to gradually recovered the pulmonary function side-by-side.RESULTS Through the new nursing model the pulmonary function and the Sat-O2 value could be improved.CONCLUSIONS When the both-sides of the pulmonary infected severely,nursing the unilateral lung at the beginning by using postural drainage,turning the body over quickly and knocking the back in the other side of the lungs,can efficiently speed up the proceeding of rehabilitation of pulmonary infection.

Agarases are glycoside hydrolases.They are grouped into?and?types,which hydrolyze?-1,3 linkages and?-1,4 linkages respectively.The paper is about advance in research of agarase including the research of biology,the classcification,the crystal structure,the catalysis mechanism and application of agarases.

Objective:To study the clinical value and telomerase activity of malignant ascites treated by lifein combination with cisplatin.Methods:48 patients with malignant ascites were divided randomly into two groups.Treatment group of 28 cases were treated with lifein and cisplatin,control group of 20 cases were treated with cisplatin alone.Telomerase activity was detected by semi-TRAP assay before treatment,at the first week,the second week and the third week after treatment,respectively.Results:the effective rates of treatment group(89.3%) was much higher than that of control group (60%),P

Objective To compare the influences of general anesthesia and intra spinal anesthesia on circulation, respiration, body temperature and anesthesia-related complications in patients undergoing percutaneous nephrolithotomy (PCNL), and assess the effectiveness and safety of both anesthesia. Methods Forty ASA Ⅰ - Ⅱ patients elective for PCNL surgery were divided into two groups by random digits table with 20 cases each:group Ⅰ (endotracheal general anesthesia) and group Ⅱ (intra spinal anesthesia). The temperature, heart rate (HR), mean arterial pressure (MAP), pulse oxygen saturation (SpO2) values and postoperative shivering, nausea, vomiting, back discomfort and the incidence of sore throat were observed and recorded. Results The anesthesia was stable, there were no changes in MAP, HR at different time in group Ⅰ . The anesthesia in group Ⅱ was effective, MAP at 15 min after anesthesia,and HR,MAP after lithotomy position and prone position were obviously changed in group Ⅱ compared with those before anesthesia and group Ⅰ (P ＜ 0.05 ). The temperature at 30,60,90, 120 min after anesthesia decreased compared with that before anesthesia in two groups (P ＜ 0.05 ), and the temperature at 30,60 min after anesthesia in group Ⅰ [(35.8 ±0.6), (34.8 ± 0.5)℃] was lower than that in group Ⅱ [(36.2 ± 0.6),(35.6 ± 0.5)℃](P＜ 0.05).During recovery,complications such as shivering, nausea,sore throat, back discomfort occurred to some extent, of which the incidence of shivering was the highest. Conclusion Both of two anesthesia are applicable to PCNL. When intra spinal anesthesia is used,the life indicators of patients need to be observed and general anesthesia is preferable for the obesity,less physical and the old with poorly compensatory function.

Central Nervous System Viral Diseases ; complications ; virology ; Child ; Epstein-Barr Virus Infections ; complications ; virology ; Female ; Follow-Up Studies ; Herpesvirus 4, Human ; Humans ; Lymphocytosis ; etiology ; virology ; T-Lymphocytes

Objective To investigate the clinical and pathological features of postmenopausal women with thickening endometrial. Methods Totally 187 patients with postmenopausal endometrial thickening by transvaginal B-ultrasound were divided into symptomatic group (n=104)and asymptomatic group (n=83).Their body mass index,age of menarche and menopause,history of menstruation and reproductive,application of estrogen,and hypertension and diabetes were collected.All the patients underwent hysteroscopy and biopsy procedures. Results There was no difference between two groups in body mass index [ (24.3 ± 3.2) kg/m2 vs.(23.3 ± 2.6) kg/m2,t =3.79,P =0.052]. The postmenopausal time of symptomatic patients in the group was shorter than the asymptomatic [ ( 14.6 ± 2.4) years vs.( 16.5 ± 2.9 ) years,t =4.12,P =0.039].The patients in the asymptomatic group were older than the patients in the symptomatic group [(68.1 ±4.8) years vs.(66.1± 5.5) years,F=3.89,P =0.046].The average endometrial thickness of patients in the asymptomatic group showed no difference compared with patients in the symptomatic group [(7.2 ±1.4) mm vs. (7.8 ± 2.0) mm,F=3.21,P=0.065]. There were 5 cases of endometrial adenocarcinoma,1 case of endometrial atypical hyperplasia,38 cases of endometrial polyp,25 cases of submucosal hysteromyoma,14 cases of proliferative phase endometrium in the asymptomatic group;while 8 cases of endometrial adenocarcinoma,1 case of endometrial stromal sarcoma,4 cases of endometrial serous papillary carcinoma,5 cases of endometrial atypical hyperplasia,47 cases of endometrial polyps,21 cases of submucosal hysteromyoma,2 cases of uterine empyema,8 cases of chronic inflammation of the endometrium, 8 cases of proliferative phase endometrium in the symptomatic group,respectively. Conclusions Most of endometrial thickness in postmenopausal women are benign lesions, mainly including endometrial polyps and submucous myoma, but endometrial cancer accounts for a certain percentage. Hysteroscopy is minimally invasive,safe and with specificity for the diagnosis and treatment of endometrial lesions.

Objective To explore the methodology of choosing the volume and shape of the mammary implant.Methods The changes of the volume and shape were analyzed in 502 cases of breast augmentation,to find out how to select the volume and shape of the mammary implant.Results The thoracic width H was the most important factor of choosing width of the implant; the SN was the important factor of choosing the height of the anatomic implant; After setting the diameter and height of the implant,a bigger breast could be achieved by increasing the projection of implants.For those very thin females with flat chest, anatomic implants were the better choice. Conclusions Thoracic width,breast volume and other data are the most important factors in choosing the mammary implant.Round and anatomic mammary implants have their specific indications.

Objective: We examined the cause、level of pathology、onset of symptoms、time taken to treatment and outcome of 14 patients with cauda equina syndrome(CES) to determine how these factors influenced the eventual outcome.Methods:14 patients with CES treated at our hospital between 1991 and 1997 underwent laminectomy followed by bilateral decompression.The mean time of followup was 35 months(range 22～48months).Logistical regression analysis was used to manage the data.Results:Out of 14 patients,11 had satisfactory recovery at 2 years postdecompression;3 patients were left with some residual dysfunction.Conclusion:There was a clear correlation between delayed decompression and the poor overall outcome,as well as the presence of perineal anaesthesia and significant sphicter dysfuncation.