objective: To observe the effectiveness of vertical easy ball attachments (VEBA) in removable partial denture with metal base. Methods: Removable partial denture was retained with one or two sets of VEBA attached to full metal crown or porcelain fused to metal crown in 12 patients and 6～24 month clinical follow up was carried out. Results: All removable partial dentures retained with VEBA had good retention, stabilization, function and esthetic outcome, all the patients were greatly satisfied. Conclusion: VEBA has strong retentive force and protects abutments, it is a promising retainer in removable partial denture.

Objective To evaluate effects and possible mechanisms of ileal transposition on spontaneous non-obese type 2 diabetic GK rats.Methods 20 GK rats were randomly divided into two groups:ileal transposition group and sham operation group (n =10).We observed and determined the weight change,daily average food consumption and FBG (fasting blood-glucose) level of rats before the operation (0 weeks) and 1,4,8,16 and 24 weeks after the surgery.Glucose tolerance test (GTT) was carried out and GLP-1 (glucagon-like peptide-1) concentration measured before the operation (0 weeks) and 4,8,16 and 24 weeks after the surgery and the fasting insulin concentration before the surgery (0 weeks)and 4,24 weeks after the surgery measured,and the indicator of HOMA-IR calculated.Results There was no significant difference in the operating time between the two groups [(87 ± 8) min vs.(84 ± 7)min],P ＞ 0.05.Compared with those before surgery,body weight and food consumption of the two groups of rats decreased significantly a week after surgery (P ＜ 0.05),and then the body weight and food consumption of the two groups of rats all gradually increased,but the difference of the two groups of rats has no statistical significance 1-24 weeks after surgery (P ＞ 0.05).The FBG of the two groups of rats a week after surgery [ileal transposition group (6.1 ± 0.6) mmol/L,sham operation group (6.2 ± 0.8) mmol/L]decreased significantly compared with that before surgery [(7.0 ± 0.5) mmol/L and (6.9 ± 0.5) mmol/L](P ＜ 0.05),and then FBG of the two groups of rats all rose again.The FBG of the rats in surgery group decreased slowly from 8 to 24 weeks after surgery,while the FBG of the rats in the sham surgery group maintained the preoperative level,and the differences of the FBG of the two groups all have statistical significance 8-24 weeks after surgery (P ＜ 0.05).Four weeks after surgery,OGTT of the ileal transposition group significantly improved (P ＜ 0.01).24 weeks after surgery,fasting insulin levels of the ileal transposition group were lower [(0.26 ± 0.08) ng/mL vs.(0.42 ± 0.09) ng/ml],P ＜ 0.05.Compared with the sham surgery group,and HOMA-IR was lower (1.1 ± 0.4) vs.(2.6 ± 0.4),P ＜ 0.05.Four weeks after surgery,oral glucose-stimulated peak (30 min) levels of blood GLP-1 increased markedly in operation groups after surgery (P ＜ 0.01).Conclusions Ileal transposition is effective for the treatment of non-obese T2DM rats,and the control of blood glucose does not depend on the reduction of body weight and food comsumption,and the high secretion of GLP-1 after ileal interposition seem to be helpful in diabetes control.

Objective To evaluate urinary nucleosides determination for the diagnosis of colorectal carcinoma. Methods The concentrations of 14 different urinary nucleosides from 42 colorectal carcinoma patients, 10 patients with villous adenoma and 62 normal adults were determined by high-performance liquid chromatography (HPLC); Principal component analysis was applied to classify colorectal cancer patients and normal adults. Results The levels of Pseu、 C、 m1A、 mU、 m22G、 I、 m1G、 ac4C、 m6A in colorectal carcinoma group were (42.67?21.89)、(0.44?0.51)、(2.72?0.83)、(0.13?0.08)、(1.79?0.55)、(0.50?0.36)、(1.44?0.52)、(0.82?0.30)、(0.07?0.08)nmol/(?mol creatinine) respectively, which were much higher than those in normal adults (P

Objective To study the diagnosis and surgical treatment of Mirizzi syndrome (MS).Method The clinical data of patients with Mirizzi syndrome treated in our center from July 2001 to July 2011 were retrospectively studied and the diagnostic methods,operative strategies and outcomes of surgical treatment were analyzed.Results Mirizzi syndrome (MS) was identified in 56 out of 13800patients who received cholecystectomy (0.4％). MS was diagnosed preoperatively in 30 patients (53.6％).There were 29 patients with Mirizzi syndrome type Ⅰ,17 patients with type Ⅱ,9 patients with type Ⅲ,and 1 patient with type Ⅳ using the Csendes's classification.In two patients (3.6％) coincidental gallbladder carcinoma was detected.An initial laparoscopic approach was attempted in 33patients,and 16 were converted to open surgery.The remaining 23 patients underwent open operation.Surgical procedures included cholecystectomy,choledochotomy and T-tube insertion,simple closure and drainage (via T tube) of the biliary fistula,Roux-en-Y hepaticojejunostomy,radical resection of gallbladder and hepaticojejunostomy.Inadvertent bile duct injury occurred in 2 patients who had an initial laparoscopic approach for a preoperative undiagnosed MS. Postoperative morbidities included biliary leak (n =4) and residual common bile duct stone (n=2).All patients recovered completely and there was no hospital mortality.Conclusions Preoperative diagnosis of Mirizzi syndrome is still challenging despite the availability of multiple imaging modalities.Open surgery remains the standard of care,although laparoscopic treatment may be used in selected patients,especially for type Ⅰ Mirizzi syndrome.Patients with Mirizzi syndrome should be managed differently,basing on intraoperative findings and the type of Mirizzi syndrome.

Objective Based on the diagnostic technique of electric meridian detection, to observe the clinical efficacy of acupuncture in treating angioneurotic headache.Method Totally 106 patients with angioneurotic headache were randomized into a treatment group and a control group, 53 cases in each group. The treatment group received acupuncture based on the electric meridian detection, while the control group received medication treatment. The hemorheology indexes [plasma viscosity (PV), erythrocyte sedimentation rate (ESR)] and McGill Pain Questionnaire (MPQ) [Pain Rating Index (PRI), Visual Analogue Scale (VAS), and Present Pain Intensity (PPI)] were observed before and after intervention, and the clinical efficacies were compared. Result The total effective rate was 88.7% in the treatment group versus 71.7% in the control group, and the between-group difference was statistically significant (P<0.05). After intervention, the hemorheology indexes and MPQ scores were significantly changed in both groups (P<0.01,P<0.05).Conclusion Acupuncture based on electric meridian detection is an effective method in treating angioneurotic headache.

Objective To investigate the effect of oncolytic adenovirus vector SG600-IL24expressing human melanoma differentiation associated gene-7 (mda-7/IL-24) on hepatocellular carcinoma cell lines with different metastatic potential of HepG2, SMMC7721, MHCC97L and normal liver cell line LO2. Methods The oncolytic adenovirus SG600-IL24 which carrying mda-7/IL-24 gene was transfected into hepatocellular carcinoma cell lines and normal liver cell line. The mRNA and protein expression of mda7/IL-24 in HepG2, SMMC7721, MHCC97L and LO2 cell lines was confirmed by RT-PCR,ELISA assay and Western blot respectively. MTT assay and flow cytometry were used to study tumor cell proliferation and cell cycle in vitro. Hoechst33258 and flow cytometry were studied to indicate the apoptosis effects. Results It was confirmed by RT-PCR, ELISA assay and Western-blot that the exogenous mda-7/IL-24 gene was highly expressed in HepG2, SMMC7721, MHCC97L and LO2 cell lines. MTT and apoptosis detection indicated that MDA-7/IL-24 can induce the growth suppression (the inhibition rate was 75% ±2. 5% ,86% ±3. 5% ,and promotes apoptosis ( the apoptosis rate was 56. 5% ± 4. 0% , 34. 4% ± 2. 0% , 43. 3% ± 2. 5%cell lines at G2/M phase ( the blocking rate was 35. 4% ± 4. 2% , 40. 5% ± 5. 0% , 42. 0% ± 5. 0%metastatic potential hepatocellular carcinoma cell lines but not in normal liver cell line.Conclusions Oncolytic adenovirus vector SG600-IL24 can selectively induce growth suppression, promote apoptosis in hepatocellular carcinoma lines in vitro but not in normal liver cell LO2.

Objective To investigate the causes of acute renal failure(ARF)after orthtopic liver transplantation(OLT)in patients of acute liver failure(ALF)and the effects of systemic therapy based on continuous renal replacement(CRRT).Methods Clinical data of 412 patients who underwent liver transplantations between January 2001 and June 2006 were analyzed retrospectively (all the cases were followed up to June 2007).According to UNOS grading scale,54 patients were of acute liver failure(UNOS 1 and 2A).Posttransplant ARF developing in 17 cases underwent a systemic therapy based on CRRT as well as anti-rejection,anti-infection and nutrition support.The perioperative courses,complications,causes of death and follow up results were analyzed.Results There were no severe complications during CRRT.Perioperative mortality was 5.4%and 58.8%in patients without ARF and those with ARF respectively.the rate of complications was 35.1%vs 100%.1 year survival rate Was 89.2% vs 41.2%.3 year survival rate was 81.1% vs 41.2%.Condusions The effect of surgery mainly depends on the function of liver and other vital organs.The ALF recipients suffered from a high perioperative mortality,especially those with posttransplant ARL.The systemic therapy based on CRRT benefits patients with postoperative ARF.

Objective To compare the safety and efficiency of laparoscopic transabdominal preperitoneal (TAPP) and totally extraperitoneal (TEP) procedure for herniorrhaphy. Methods Between Jan 1997 and Jan 2005, 235 patients (274 hernias) underwent laparoscopic inguinal hernia repair with 163 TAPP in 139 patients and 111 TEP procedures in 96 patients. Postoperative patients were followed-up for 6-24 months. Results No conversion was necessary. There were no significant differences between TAPP and TEP when considering operating time, postoperative hospital stay, VAS and time to return to daily activity. The recurrence rate was 1. 8% and 0. 9% respectively in TAPP and TEP( P = 0. 524). The total incidence of postoperative complications were 15. 3% and 10. 8% respectively ( P = 0. 282 ) , with seroma, transient neurapraxia and urinary retention being 5. 5% vs. 4. 5% ( P = 0. 707 ) , 5. 5% vs. 3. 6% ( P = 0.464) and 3. 1% vs. 2.7%(P = 1.000). The inhospital cost was significantly higher in TAPP than in TEP(P=0.000). Conclusion TAPP and TEP are both safe and efficient tension-free technique. Surgeons' experience was more important than choice of approach to laparoscopic repair for groin hernias.

ObjectiveTo evaluate intraoperative cholangiography (IOC) and laparoscopic ultrasonography (LUS) for detection of occult common bile duct stones (CBDS) during laparoscopic cholecystectomy (LC). Methods From Jun. 2000 to Sep. 2001, 98 patients undergoing LUS and IOC during LC were analyzed prospectively.Results[The successful rate of LUS and IOC were 100% and 95% respectively, the time for LUS (7 7?2 1) min was significantly shorter than IOC (11 4?3 5) min ( P 0 05). The visualization of intrapancreatic portion of CBD by LUS was 62% vs 97% by IOC ( P

Objective To investigate the safety and feasibility of reoperatively laparoscopic technique in treatment for locally recurrent rectal cancer.Methods The study enrolled 17 patients with locally recurrent rectal cancer between February 2004 and September 2009 from Shanghai Minimally Invasive Surgery Center.The patients were divided into two groups according to their pelvic recurrence types:central recurrence group (n =14) and anterior recurrence group (n =3).Demographic,surgical data and survival outcomes between two groups were compared.Results The outcomes of demographic data between two groups were not different(P＞ 0.05 ).Compared with central recurrence group,anterior recurrence group had longer operating time (P =0.028).However,the differences of operative blood loss,complications,postoperative rehabilitative outcomes and ratio of R0 resction between groups were not significant ( P ＞ 0.05 ).The overall 5- year survival rate of all the patients was 36％.And the median survival time was 42 months without significant difference between two groups (x2 =1.641,P =0.200).Conclusions Reoperatively laparoscopic technique in treatment for locally recurrent rectal cancer is safe and feasible.Selected patients,specialist operation and higer ratio of R0 resection are the key factors conducive to better short-and long-term outcomes.