Objective　To study clinical value of ultrasoni c diagnosis in the congenital ureterostenosis. Methods　33 cases of ureterostenosis were measured with B-ultrasonographic examination, the resu lt of B-ultrasonographic examination was compared with the diagnosis of X-ray and surgery. Results　The localization rate and accord rate of B -ultrasonographic examination in diagnosis of ureterostenosis(obstruction) were 93.3% and 81.8% respectively. Conclusion　B-ultrasonographic examination in diagnosis of congenital ureterostenosis possesses greater advanta ge and better clinical value.

Objective　To study the diagnostic value of pleural fluid telomerase activity in distinguishing a malignant from a benign pleural effusion. Methods　Using a PCR-based assay, telomerase activity was examined in the pleural fluid cells obstained from 69 patients with pleural effusions (37 malignant, 32 benign). Results were compared with cytologic evaluation and carcinoembryonic antigen (CEA). Results　Of the 37 malignant specimens，26（70.27%）contained detectable telomerase activity. The positive rate in malignant pleural effusions was significantly higher than that in benign origin (2/32). Detection of telomerase in effusions was more sensitive than CEA level evaluation for the identification of pleural malignancy (telomerase assay: sensitivity=70.27%, specificity=93.75%; CEA: sensitivity=51.35%, specificity=96.87%). The consistant rate of telomerase with cytology was 54.05%. Conclusion　The detection of telomerase activity may be a useful adjunct to cytopathologic methods in the diagnosis of malignant pleural effusions. It may be useful in differential diagnosis of benign and malignant pleural effusions.

Objective　To discuss the possibility of ultrasonic superficial spray anesthesia applied to bronchoscopy in children with intratracheal foreign bodies. Methods　50 cases with intratracheal foreign body were divided into two groups: surface anesthesia group (S group) and intravenous anesthesia group (Ⅰ group). 2% Lidocain by ultrasonic spraying inhalation for 8～10 min and r-OH 80 mg*kg-1+Ketamine 1 mg.kg-1 intravenous injection were adminstered respectively. Results　In S group perioperative the MAP and HR were stable， the complications were fewer and the SpO2 was >95%，the awaking time was shorter (70.1±15.3) min after operation；In I group the MAP and HR were descendent (P<0.05)， the complications were more and the SpO2 was <95% (P<0.05)， the awaking time was longer(P<0.01). Conclusion　The surface anesthesia is effective.The MAP and HR are stable，the complications are fewer and the awaking time is shorter.

Objective　To observe the influence of intravenous anesthesia with ketamine or propofol on intraocular pressure (IOP) in pediatric patients. Methods　27 pediatric patients, ASA grade Ⅰ～Ⅱ, were divided into ketamine and propofol groups. Basic anesthesia was conducted with ketamine 4～6 mg*kg-1 combined droperidol 0.04～0.1 mg*kg-1 intramuscularly. Anesthesia maintained with continous infusion of 0.04% ketamine or 0.04% propofol following intravenous bolus of ketamine 1 mg*kg-1 or propofol 1 mg*kg-1 in ketamine group and propofol group respectively. IOP, systemic blood pressure(SBP), diastolic blood pressure(DBP), heart rate(HR) and pulse oxygen saturation(SpO2) were measured at 10 minutes after basic anesthesia, 3 minutes after intravenous bolus of ketamine or propofol and end of surgery. Results　There were no differences in IOP between two groups after basic anesthesia. IOP increased or decreased significantly after intravenous bolus of ketamine or propofol respectively. IOP in ketamine group decreased near to the level in propofol group at end of surgery. There were no statistic differences in SBP, DBP and HR between two groups priopration. SpO2 did not change (but in one patient decreasing to below 95% ) and significantly decreased within 5 minutes of intravenous bolus of ketamine and propofol respectively. Conclusion　Ketamine increases IOP propofol decreases IOP. Ketamine combined propofol can keep from increase of IOP but strength respiration inhibition.

Objective　To survey about the health status, the activity of daily living conditions and their influencing factors among the elderly in Anhui province, to provide the reference for the current health service system reform of China. Methods　1 424 older persons were selected by Cluster sampling and random sampling methods. The chronic diseases prevalence rate, the damage of ADL among the elderly were investigated. The main influencing factors related to the damage of ADL was analyzed by single and multiple variable logistic regression model. Results　The older persons with aging, lose fare or divorce, multiple chronic disease and smoking habit were at high risk to ADL damage, but physical exercise, high income and well health knowledge may be protective factors which can reduce the ADL damage rate. Different kind of chronic diseases played the different role in the ADL damage among the elderly. Conclusion　The conditions of ADL damage remains serious among the elderly and there are a lot of affected factors. How to find the effective preventive intervention for the elderly and put it into practice, improve their quality of health living are new social problems in china.

Objective　To study the relationship between HCV infection and hepatocellular carcinoma. Methods　PCR techniques were used to detect the serologic markers of HCV-RNA of 92 patients with hepatocellular carcinoma (HCC), 117 patients with liver cirrhosis (LC) and 100 paraffin-embedded liver tissues from patients from Huainan area. The 89 HCV-RNA positive sera from the 209 patients were analyzed by restriction fragment length polymorphism (RFLP). Results　The infection rates of HCC, LC, liver tissues were 29.3%, 26.5%, 31.0%. HCV genotype of all groups was mainly of type Ⅱ (65.2%) whereas that of type Ⅲ was 31.5%. Conclusion　HCC is associated with the infection of HCV in Huainan area. The infection of HCV type Ⅱ appears to play a main role in the development of HCV-associated HCC and LC in this area.

Objective　To study the change and clinical implications of tumor necrosis(TNF-α) and interleukin-6(IL-6) in the lung cancer patients. Methods　Serum TNF-α and IL-6 level in 55 of lung cancer cases and 40 in normal control group were assayed by ELISA. Results　Serum TNF-α and IL-6 level were significantly higher in the lung cancer patients than in normal control(P<0.01). The activity of TNF-α and IL-6 in serum of the no operational patients (with lymphanode matastasis) was higher than the recurrent patients of post-operation (P<0.01). Conclusion　The activity of serum TNF-α and IL-6 may be associated with development of the lung cancer. The determination of TNF-α and IL-6 levels in serum can help to observe the lung cancer state as a assistant monitor methods.

Objective　To investigate the biological significance of p185 and p16 in breast cancer. Methods　Immunohistochemical S-P method was used to detect the expression of p185 and p16 proteins in 59 breast carcinomas，and their relations to clinicopathologic features were analyzed. Results　The positive rates of p185 and p16 were 47% and 34% respectively. No significant association was evident between the two proteins. There was also no significant relation between p16 expression and clinicopathologic features. p185 positive rate was 64% in the group of lymph-node involvement that was higher than that being 32% lymph-node negative one (P<0.05). Conclusion　p185 and p16 may play important roles independently in the development of breast cancer through different pathways. p185 detection is of important value in breast cancer.

Objective　To investigate the causes of recurrent spontaneous abortion(RSA) and to know the relation between RSA and antiphospholipid thrombosis syndrome(APL-T). Methods　ELISA and PTT-LA were used to detect anticardiolipin antibody(ACA) and lupus anticoagulant(LA) in 32 patients with RSA and 20 normal controls(NC). Results　There were 17 positive of antiphospholipid antibody(APA) in RSA group. The incidence was significantly higher than that in NC group. The incidence of LA was also significantly higher than that in NC group. 8 patients were diagnosed as APL-T. Conclusion　LA may be the more important reason of RSA. It should be considered as APL-T when RSA is unexplained.

Objective　To evaluate the value of CT virtual gastroscopy (CTVE) in clinical applications. Methods　52 patients (65 foci of stomach) were examined by CTVE combined with 2D CT, gastrointestinal series (GI) and fibric gastroscopy (FG). The accurate ratio in quantitative, locating, qualitative and staging diagnoses was compared. Results　CTVE demonstrated the diameter of 0.3 cm foci in stomach. The accurate ratio in quantitative, locating and qualitative diagnoses with combination of CT and CTVE was higher than that of GI (P<0.001 ) but lower that of FG (P>0.05); In staging, CTVE was better than GI and FG. Conclusion　CTVE is a complementary gastric examination, which can replace GI in the diagnosis of common physical gastrical diseases.