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AIM: To systemically evaluate the clinical efficacy and safety of intraocular implants for vitreous retinal surgery.METHODS: We performed a comprehensive search for studies reporting vitreous surgery with intraocular implants randomized controlled and a retrospective controlled clinical trials from China Hownet ( CNKI ), Wanfang database, and VIP literature database. Studies obtained from those database were filtered according to the criteria, and data were retrieved from eligible studies for further analysis. Then we performed a meta-analysis to evaluate the efficacy and safety of intraocular implants using comprehensive Meta - analysis software version 2 (Biostat, Englewood, NJ).
RESULTS: In total 36 studies were recruited for our Meta - analysis, including 5 092 cases. Meta analysis showed: 1) regarding the efficacy of repairing the retinal detachment, silicone oil was a better intraocular implants than C3 F8(OR= 1. 76; 95% CI: 1. 19-2. 60, P = 0. 0047) and SF6( OR = 4. 68; 95% CI: 1. 48 - 14. 81, P = 0. 0087); 2) regarding the risk of postoperative cataract, silicone oil showed significant higher risk than BBS (OR = 3. 24; 95%CI: 2. 10-4. 99, P= 1. 09 e-7), and C3 F8(OR= 3. 03; 95% CI:1. 50 - 6. 10, P = 0. 0019 ); 3 ) regarding the risk of postoperative intraocular pressure, silicone oil showed significant higher risk than BBS (OR= 6. 74; 95% CI: 3. 38-13. 41, P= 5. 67 e-08), and C3 F8 also showed a higher risk than BBS (OR= 4. 79; 95% CI: 2. 37-9. 68, P = 1. 29 e-05). In addition, silicone oil showed significant lower risk as compared with heavy silicone oil (OR= 0. 16; 95% CI: 0. 08-0. 53, P= 0. 0026).
CONCLUSION: The intraocular implants for the treatment of retinal detachment in vitreous retinal surgery are mainly divided into two major categories, liquid and gas implants. The silicone oil, a major liquid implant, shows higher efficacy in terms of treating retinal detachment than the gas implants. However, the silicone oil is associated with a higher risk of postoperative cataract and intraocular pressure as compared with gas implants.

Background and purpose:With the recognition of prognostic factors and application of surgical- pathological staging,the treatment strategy of endometrial cancer has greatly changed.In this study,we investigated the treatment strategy,survival rate and prognostic factors of endometrial cancer.Methods:Five hundred and fifty-nine patients of endometrial cancer underwent primary surgical treatment from January 1996 to December 2006 in Cancer Hospital,Fudan University.The clinicopathologic parameters and prognosis were analyzed retrospectively.Results: Patients were followed up with the median period 36 months,25 cases experienced local relapse,24 cases were found to have distant metastases.The 3-year overall survival(OS)was 88.7%,3-year and 5-year disease free survival(DFS) was 82.7% and 80.9%.The 3-year overall survival(OS)were 95.5% in stageⅠ,95.3% in stageⅡ,75.9% in stageⅢand 32.4% in stageⅣrespectively(P

ObjectiveTo observe the efficacy and side effects of paroxetine and amitriptyline in the treatment of post-stroke depression (PSD).Methods82 PSD patients were randomly divided into the paroxetine group (n=42) and amitriptyline group (n=40). Before the treatment and at the ends of 2nd, 4th and 8th week after the treatment, all patients in two groups were assessed with Hamilton Depression Scale (HAMD) and TESS.ResultsAfter treatment, HAMD scores of patients of two groups were decreased significantly (P<0.01), but no difference was found between two groups. The side effects of the paroxetine group were obviously fewer and milder than that of amitriptyline group (P<0.01).ConclusionParoxetine is an effective and safe drug in the treatment of PSD.

ObjectiveTo analyse the clinical characteristics of pancreatic intraductal papillary mucinous neoplasm (IPMN) which coexists with extrapancreatic malignancy (EPM),with an aim to provide strategies for clinical diagnosis and treatment.MethodsThe PubMed was used to search for the pancreatic IPMN related articles with positive pathologic results.A pooled analysis was then performed.The ratio ofpancreatic IPMNs coexisting with EPMs and the locations (or the type) of EPMs were analyzed.ResultsAfter a strict process of screening,18 articles met the pre-determined standardsand were accepted.Of the 1327 patients,363 had coexisting EPMs (27.35％).There were 392 EPMs in these 363 patients.The EPMs occurred in almost all the systems of the body,especially in the digestive tract and its related organs,which accounted for 63.06％ of the EPMs. Conclusions There is a tendency for patients with pancreatic IPMN to have coexisting EPM. More than half of these EPMs are malignant tumors in the digestive system. When pancreatic IPMN is diagnosed,the clinician should be aware of the possible coexistence of an EPM and should look for the possibility of a new EPM developing in a patient after treatment of pancreatic IPMN.

Objective To study the clinical characteristics which are related to malignancy in pancreatic intraductal papillary mucinous neoplasm (IPMN) with an aim to provide evidence for clinical practice.Methods Using PubMed,all pancreatic IPMN related articles with positive pathologic results before July 30th,2011 were studied.A pooled analysis was carried out on the morphological features of the disease.The analysis included gender,diameter of main pancreatic duct,diameter of cystic lesion,mural nodules and histological types (benign/malignant) of the neoplasm.Results 98 articles (including 1902 cases) were collected and analyzed.1025 cases were benign (53.89％) and 877 cases (46.11 ％) were malignant.Morphologically,there were a correlation between main pancreatic duct dilatation (≥5 mm),cystic lesion of large size (≥30 mm),presence of mural nodules and malignancy.The OR (95％ CI) were 5.591 (3.657-8.548),3.633 (2.626-5.027) and 4.983 (3.872-6.412) respectively.Conclusions A main pancreatic duct dilatation (≥5 mm),cystic lesions of large size (≥30 mm) and presence of mural nodules prompt the tumor to be malignant.In clinical work,the management of pancreatic IPMN should be made prudently based on comprehensive analysis of clinical features and the patient's status and intent.

Objective To investigate the relationship between the immunohistochemical types and the pathological types of pancreatic intraductal papillary mucinous neoplasms (IPMN).Methods Literatures on the diagnosis and treatment of pancreatic IPMN published before June 30,2011 in the PubMed database were retrieved.The literatures adopted were scored by the case reports quality assessment list.The correlation analysis between the immunohistochemical types and the gender,pathological types,characteristics of benign or malignant tumor and morphological types were analyzed.All data were analyzed using the Pearson chi-square test or multiple regression analysis.Results Thirteen literatures were adopted,the scores were 31-45 (full mark:50),and the mean score was 37.The clinical data of 826 pancreatic IPMN patients who were comfirmed by pathological examination were collected,and there were 4 immunohistochemical types:(1) The gastric type (363 patients).Of the 271 patients who underwent gender analysis,there were 195 males and 76 females,with the median age of 65.6 years.Of the 225 patients who underwent pathological types analysis,there were 146 cases of adenoma,34 cases of borderline tumor,24 cases of carcinoma in situ,21 cases of invasive carcinoma,the benign tumor was accounted for 86.68％ (293/338).Of the 215 patients who underwent morphological type analysis,there were 34 cases of main pancreatic duct type,151 cases of branch duct type and 30 cases of mixed type.(2) The intestinal type (327 patients).Of the 269 patients who underwent gender analysis,there were 184 males and 85 females,with the median age of 64.5 years.Of the 262 patients who underwent pathological types analysis,there were 28 cases of adenoma,43 cases of borderline tumor,91 cases of carcinoma in situ,100 cases of invasive carcinoma,the benign tumor was accounted for 29.21％ (85/291).Of the 151 patients who underwent morphological type analysis,there were 63 cases of main pancreatic duct type,54 cases of branch duct type and 34 cases of mixed type.(3) The pancreatobiliary type (92 patients).Of the 78 patients who underwent gender analysis,there were 41 males and 37 females,with the median age of 69.2 years.Of the 81 patients who underwent pathological types analysis,there were 4 cases of adenoma,1 case of borderline tumor,21 cases of carcinoma in situ,55 cases of invasive carcinoma,the benign tumor was accounted for 5.75％ (5/87).Of the 34 patients who underwent morphological type analysis,there were 7 cases of main pancreatic duct type,18 cases of branch duct type and 9 cases of mixed type.(4) The oncocytic type (44 patients).Of the 37 patients who underwent gender analysis,there were 24 males and 13 females,with the median age of 60.3 years.Of the 33 patients who underwent pathological types analysis,there were 18 cases of carcinoma in situ,15 cases of invasive carcinoma,and all of them were with malignant tumors.Of the 36 patients who underwent morphological type analysis,there were 9 cases of main pancreatic duct type,16 cases of branch duct type and 11 cases of mixed type.The immunohistochemical type of pancreatic IPMN was correlated with gender,pathological type and characteristics of maglignant or benign tumors (x2=10.626,281.839,333.212,r =0.097,0.569,0.625,P ＜ 0.05).The result of the chi-square test between the immunohistochemical types and the morphological types was statistically significant (x2 =50.732,P ＜ 0.05),but there was no correlation between them (r =0.010,P ＞ 0.05).Conclusion The immunohistochemical type of pancreatic IPMN is correlated with gender,pathological type and the characteristics of maglignant or benign tumors,which provide references for the diagnosis and prognosis evaluation of pancreatic IPMN.

Objective To investigate the impact of a single sub-anesthetic dose of ketamine on postoperative emotional reactions of anxiety and depression during colorectal tumors surgery. Methods A total of 42 patients undergoing selective colorectal surgery,aged 18 to 65 years,were randomly divided into ketamine group (group K)and control group (group C).After induction of an-esthesia,a single intravenous injection of 0.3 mg/kg ketamine and saline were used in Group K and group C 5 minutes before the operation respectively.The intravenous analgesia program was identical between the two groups.The patients??emotional reactions (anxiety,depression)were assessed using the Hospital Anxiety and Depression Scale (HAD),the quality of recovery was assessed using the QoR-40 questionnaire on the day before operation and within postoperative 48 hours respectively.Pain was estimated by the visual analog scale (VAS)and sedation was assessed with Ramsay score 30 mi-nutes after extubation.The time of anesthetic end and extubation were recorded.The complications during anesthesia and recovery such as cough, agitation 30 minutes extubation were recorded. Results The HAD-A and HAD-D scores of group K were lower than group C (P <0.05)48 h post-operatively.There was no difference on the QoR-40 score postoperative 48 h between the two groups. The patients??emotional state QoR-40 score of group K were higher than group C (P <0.05 ).The VAS scores 30 minutes after extubation of group K were lower than group C (P <0.05).There was no significant difference on sedation score 30 minutes postoperatively between the two groups.There was no significant difference in extubation time,cough,agitation and delirium between the two groups.There was no dizziness, nausea, vomiting or diplopia 30 minutes after extubation. Conclusion A single subanesthetic dose of ketamine can significantly reduce the scores of postopera-tive anxiety and depression,improve the quality of recovery,and no postoperative adverse reactions increased.

Objective To probe the indication of biliary tract reconstruction without T-tube in orthotopic liver transplantation.Methods We put forward indications of biliary tract reconstruction without T-tube in orthotopic liver transplantation since January 2004 and there were 102 patients who underwent liver transplantation in our hospital without a T-tube in place after biliary tract reconstruction.The incidence of biliary tract complication was observed in these patients.Results All patients were followed up for more than 6 months.The incidence of biliary tract complication was 4.9 percent(5/102)in this group with 3 patients of intrahepatic difluse bile duct stenosis necessitating liver re-transplantation.The other 2 patients with common hepatic duct nonanastomotic stenosis were healed by ERCP plus stent placement.Conclusions Biliary tract reconstruction without T-tube placement helps to decrease the incidence of biliary tract complications resulting from the T-tube removal.

Objective To investigate the expression of peripheral blood (PB) CD4+ CD25+ Foxp3+ regulatory T cells (Tregs) in patients with benign end-stage liver disease after liver transplantation and the relationship between levels of PB Tregs and acute rejection. Methods A prospective analysis was performed on 55 consecutive patients who underwent liver transplantation.Fourteen out of 55 cases suffered from acute rejection after liver transplantation were defined as rejection group,while the rest patients were classified into no acute rejection group. PB was obtained from liver transplant patients at different time points longitudinally: pre-transplant, post-transplant within one year and acute rejection. The circulating CD4+ CD25+ Foxp3+ Tregs in PB were measured by flow cytometry. Blood samples were drawn during acute rejection, at the same time, liver biopsies were performed. The circulating CD4+ CD25+ Foxp3+ Tregs were compared between two groups.Results There was no difference between two groups in levels of circulating CD4+ CD25+ Foxp3 + Tregs cells pre-transplant. However, the levels of circulating CD4+ CD25+ Foxp3+ Tregs in rejection group were decreased significantly as compared with no-rejection group (2. 23 % ± 0. 54 % vs. 2. 99 % ±0. 86 %,P＜0.01). The frequency of CD4+ CD25+ Foxp3+ T cells was negatively correlated with rejection activity index (RAI) (r = - 0. 80, P＜0. 01 ). Conclusion Monitoring PB CD4+ CD25+ Foxp3+ Tregs levels may be helpful in evaluating the immune state and act as a more sensitive marker for acute rejection diagnosis in the patients following liver transplantation.