This study was to investigate the inhibitory effects of single-chain variable fragment of alpha fetopro-tein (scFv-AFP)in combination with doxorubicin on the proliferation of human hepatocellular carcinoma cell lines Huh7.Huh7 cells were treated with different concentration of scFv-AFP or doxorubcin alone or their combi-nation.The inhibitory effects were detected by MTT assay,and cycle arrest and apoptosis of Huh7 cells were ana-lyzed by flow cytometry in different groups using PI and Annexin V /PI-staining respectively.Results showed that scFv-AFP,doxorubicin alone or in combinations dose-dependently inhibited the proliferation of Huh7,and a syn-ergistic effect was observed in their combined action.The combination treatment resulted in significantly higher apoptosis than those in other groups (P <0.05).scFv-AFP (40 μg/mL)markedly blocked the Huh7 cell pro-gression by arresting the cells in the G0 /G1 phase,and the percentage of cells in S phase decreased dramatically (P <0.05);and scFv-AFP combined with doxorubicin blocked the Huh7 cell progression by arresting the cells in G2 /Mphase (P <0.01).

Objective To review the experience of one stage surgical repair of pulmonary atresia with homologous monocuspid valve patch. Methods From October 1996 to May 2002,twenty-eight patients,4 months to 20 years of age (mean 35.3 months),received surgical repair wih homologous monocuspid valve patch in right ventricular outflow tract reconstruction. 17 patients had ventricular septal defect,others had intact ventricular septum. ResultsTwo patients died of low cardiac output syndrome with a hospital mortality of 7.14%. The leading complications were atelectasis,infection,anoxic encephalopathy,capillary leakage syndrome,residual shunt. Conclusion The repair with homologous monocuspid valve patch for right ventricular outflow tract reconstruction in pulmonary atresia provided good early results and minimizes pulmonary insufficiency. Surgical technique emphasized.

Objective To investigate the clinical results of left ventricle retraining procedure. Methods From Apr. 2001 to May 2004, 7 consecutive cases of simple TGA underwent left ventricle retraining procedure, which was composed of aorto-pulmonary shunt and pulmonary artery banding. At the operation, the ratio of systolic pulmonary/systemic pressure increased from 0.34 to 0.76. Contemporary atrial septum excision was performed in 2 cases and pulmonary artery banding revision in one. Results There was no hospital death in this series. 4 cases underwent second stage arteries switch operation (ASO) successfully 2 weeks after primary retraining procedure and discharged uneventfully. 1 case was readmitted 3 months later for ASO and died of postoperative hepatic failure. 2 cases were discharged without second staged operation because of postoperative complications. Conclusion Left ventricle retraining is necessary preparation for ASO in cases of simple TGA beyond the neonatal period. Atrial communication plays an important role in left ventricle retraining procedure. The surgical results of rapid two-stage ASO are quite satisfactory.

Objective To summarizes the clinical experience of the arterial switch operation (ASO) for the complex congenital heart defects with ventriculoarterial connection anomaly. Methods Between January 2000 and August 2004, 60 consecutive neonatal and infants, aged 2 days to 11 years with mean body weight (6.5?4.3)kg (2.6～22 kg), underwent the arterial switch operation at Fu Wai hospital, including 42 patients in early years (2000.1～2003.5), and eighteen patients in recent years (2003.6～2004.8). Primary cardiac diagnoses included transposition of the great arteries (TGA, n=49) and Taussing-Bing anomaly (TBA, n=7), and the congenitally corrected transposition of the great arteries (ccTGA, n=4). The operation was performed under general anesthesia and extracorporeal circulation with the low temperature and low volume blood flow. The great arteries were transected above the valvular commissures; the coronary ostia with all the adjacent sinus of valsalva were excised and reimplanted to the proximal neo-aorta. The proximal neo-pulmonary trunk was reconstructed with a large autologous native pericardium as a pantatoon patch. The pulmonary anastomosis was completed after the aortic cross-clamp was released. The VSDs were repaired through the atrium or proximal aorta with dacron patches. For the patients with ccTGA, double switch operation included Senning procedure and ASO were performed. Results The total operative mortality rate was 16.7% (10 cases), 9 cases in early years (21.4%, 9/42) and 1 case in recent year (5.6%, 1/18), two groups had significant difference (P

Objective To introduce experience of switch operation applied to treat the transposition of the great arteries(TGA) and Taussing-Bing deformity.Methods Between June,2000 and Aug,2002, 27 consecutive patients underwent an arterial switch operation at our institution. The patients including TGA with intact ventricular septum in 5, TGA with ventricular septal defect in 18, Taussing-Bing deformity in 3, and corrected TGA in 1.Age ranged from 3 days to 6 years at operation (mean, 10 1?5 7 months), and the mean body weight was 6 3?2 81kg. Twenty patients were older than age 1 month. Ninteen patients had pre-operative catheterization. Seventy-four percents had severe pulmonary hypertention. Two patients had left ventricular outlet stenosis. Coronary type A distribution was recognized in 23 cases,type D in 4, and one of them had the origin of the left descending artery tunneled in the aortic wall. The great arteries were side by side in 3 cases. One patient underwent balloon atrial septostomy and another one underwent pulmonary banding and systemic to pulmonary shunt preoperatively. The great arteries were transected above the valvular commisures,the coronary ostia with all the adjacent sinus of Valsalva were excised and re-implanted to the proximal neo-aorta,then aortic anastomosis was carried out.The proximal neo-pulmonary trunk was reconstructed with a large autologous native pericardium as a posterior patch.The pulmonary anastomosis was completed,after the aortic cross clamp was released.The VSDs were repaired through the atrium or proximal aorta with Dacron patches.Results The hospital mortality was 7 4% (2 cases), and no death cases were directly related to any coronary artery problem. One perioperative death was a 5 day-old neonate with TGA and an intact septum who had refractory hypotension, hypoxemia, and acidosis preoperatively who underwent an emergency operation. The patient had a refractory low cardiac output syndrome postoperatively, and died after 20 hours. Another patient had a chylothorax and died of allergy from iodophor 22 days postoperation. The pulmonary pressure had gone down significantly in 20 patients who had severe pulmonary hypertension preoperatively (the mean pressure 46.7mmHg preoperation, and 31.3mmHg postoperation). Follow-up of 1 to 26 months was achieved in all survivors, with no late complications and death. Conclusions The arterial switch procedure for age over 1 month infants with severe pulmonary hypertention still has satisfactory efficacy.

Coxsackievirus A(CV-A)is a common virus associated with a number of serious human diseases,including menin-gitis,myocarditis,herpangina,conjunctivitis and hand,foot and mouth syndrome. In recent years,with the increase of epidemics events with CV-A as the main pathogen,the studies focusing on the CV-A infection have attracted more attention. In this paper,we comprehensively review the basic characteristics,pathogenesis and potential antiviral drugs of CV-A.

Objective:To explore the intermedial to long term surgical management in aortic valve insufficiency(AI)after ventricular septal defect(VSD)repair.Methods:A total of 22 consecutive patients with AI after VSD repair in our hospital from January 1996 to December 2007 underwent surgical treatment were enrolled in this study. Valve perforation was mainly pathological changes. Aortic valve replacement was performed in 13 patients and aortic valvuloplasty was done in 9 patients.Results:One patient died after the operation.Post operative X-ray and echocardiogram revealed that both cardio-thoracic ratio(0.57±0.07 vs. 0.52±0.04 P<0.05)and left ventricular end diastolic diameter(54.5±10.2 mm vs. 46.7±5.8mm P<0.05)decreased markedly. 3 patients suffered from mild aortic regurgitation after valvuloplasty.Conclusion:The iatrogenic injury of aortic valve during VSD repair could be corrected satisfactorily by valve replacement or valvuloplasty.

Objective To review the surgical results of 28 cases of endecardial cushion defect combined with double-ori-rice mitral valve. Methods Of 860 consecutive patients with endocardial cushion defect, double-orifice mitral valve was iden-tiffed in 28 patients (3.26% ) form October 1996 to November 2007. Intracardiac deformities were corrected simultaneously during the operation. Preoperative mitral valve function, surgical procedures and incidence of pestoperative mitral valve dys-function were reviewed and compared between patients with total endecardial cushion defect ( group Ⅰ, n = 11 ) and partial en-docardial cushion defect ( group Ⅱ, n = 17). Results There were 4 operative deaths in group Ⅰ caused by severe pulmonary inflammation in 3 cases and low cardiac output in 1 case. Two cases were identified as severe mitral valve dysfunction or steao-sis in reoperaticu or autopsy. There was no later death. Mitral valve function is not eatisfactory in group Ⅱ as compared with group Ⅰ in 3 to 89 months of follow-up( averaging 33 months). Conclusion Double-orifice mitral valve is a high risk factor for operative death in total endocardial cushion defect and the longer term results of partial endocardial cushion defect combined with double-orifice mitral valve is not satisfactory.

Objective To develop a software for diabetic dieting guide.Method One set of food catering software for diabetic patients was developed based on the energy exchange among a variety of foods using VEB on conditions of a balance of total energy and three major energy material.Result The food catering software was feasible and reasonable so that it could control the indexes of blood glucose,blood lipid and body mass index(BMI).Conclusion The food catering software for diabetic patients is perfect in function and can enhance diabetic compliance and feasiblility.

Objective To evaluate the clinical efficacy of factional multiplex laser (AffirmTM) with combined apex pulse (CAP) technology in treating depressive acne scars,post inflammatory erythema and enlarged pores and other lesions.By following up,the correlative factors were analyzed to guide the further use of the factional laser (AffirmTM) with CAP technology.Methods Patients who received the AffirmTM laser therapy from Sept.2007 to July 2008 were enrolled in this retrospective follow-up study.Pictures were taken before and after each treatment during the therapy.Then the pictures were evaluated by dermatologists to attain object variables.Other subject variables from patients were recorded during survey.The relation between the efficacy and age,sex and treatment frequencies were analyzed statistically.Results The effective rate was 25.34 ％ for post-acne scars,36.84 ％ for post-acne erythema.28.57 ％ for enlarged pores,and 14.29 ％ for rythids.Nonparametric test showed no statistical difference with gender or age.There was correlation between efficacy and treatment frequencies.No severe adverse effect was observed.Conclusions AffirmTM laser with CAP technology has a good effect on treating post-acne depressed scars and erythema,enlarged pores and fine rythids.