Objective:To investigate the feasibility of periodontal mechanical therapy for chronic periodontitis and coronary heart disease patients with low dose of aspirin.Methods:Sixty nine chronic periodontitis patients with coronary heart disease were randomly selected as the experimental group (medication group,group A),the control group (withdrawal group,group B) including 20 chronic periodontitis patients with coronary artery disease,stopping the drug for one week and another control group with 50 chronic periodontitis patients (group C).The three groups were examined with pocket probing,and received supragingival scaling,subgingival scaling,and root planning.Local bleeding after operation was observed.In 30 minutes after periodontal mechanical treatment,there was still a need to take some hemostatic measures (containing the oxidized cellulose putting in the periodontal pocket,gauze oppressing,and suturing).Nd:YAG laser was used to stop bleeding 60 minutes after operation.Results:At baseline,there was no significant difference in the three groups,as to the plaque index (PLI),the probing depth (PD),and the attachment loss (AL).The bleeding index (BI)in group A was significantly higher than that in group C (P =0.024),higher than that in group B (P =0.088).The platelet maximum aggregation rate (Aggmax) was detected in some subjects.The average Aggmax value group A was 15.2％,which was much greater than that in group B (60.7％) and group C (62.5 ％).The three groups were all safe in the treatment of periodontal therapy.There were five cases of active bleeding in group A,one case in group B and one case in group C in 30 minutes after operation.In 60 minutes after operation,there was one case of bleeding actively in group A.Nd:YAG laser was used to stop bleeding successfully.Conclusion:The chronic periodontitis and coronary heart disease patients with long-term oral administration of low dose of aspirin can be safely treated with periodontal mechanical treatment,and the effect of local hemostasis is positive without stopping the drug.

OBJECTIVETo assess the feasibility of MTT colorimetric assay for testing the in vitro chemosensitivity of breast cancer cells to 5 fluorouracil (5-Fu).

METHODSThe chemosensitivity of human breast carcinoma cell lines MCF-7 and MDA-MB-435S to 5-Fu at different concentrations was evaluated with MTT assay.

RESULTS5-FU treatment resulted in dose-dependent growth inhibition of the breast cancer cells with both low and high metastatic capacities.

CONCLUSIONSMTT assay may help select appropriate chemotherapeutic agents and provides evidence for individualized chemotherapy for breast cancer.

Antimetabolites, Antineoplastic ; pharmacology ; Breast Neoplasms ; pathology ; Cell Line, Tumor ; Colorimetry ; methods ; Coloring Agents ; Drug Screening Assays, Antitumor ; Female ; Fluorouracil ; pharmacology ; Humans ; Tetrazolium Salts

OBJECTIVETo explore the prognostic factors and to compare chemotherapy alone versus surgical resection plus chemotherapy for early stage primary gastric diffuse large B-cell lymphomas (DLBCL).

METHODSClinical data of 75 patients who were diagnosed as primary gastric DLBCL between January 1993 and August 2008 in Cancer Institute and Hospital of Tianjin Medical University were reviewed retrospectively.

RESULTSAmong these 75 patients, 20 patients received chemotherapy alone and 55 underwent surgical resection plus chemotherapy. Complete remission rates were 65.0% (13/20) and 83.6% (46/55), effective rates were 75.0% (15/20) and 92.7% (51/55), and 5-year survival rates were 86.9% and 78.7% respectively in chemotherapy alone group and resection plus chemotherapy group, while the differences were not statistically significant (all P>0.05). Multivariate Cox regression model showed that international prognosis index (IPI) was the only independent prognostic factor (P<0.05, HR=11.350, 95%CI:1.011-127.371).

CONCLUSIONSIn early stage of DLBCL, IPI is the only independent prognostic factor. The clinical outcomes are comparable between chemotherapy alone and surgical resection plus chemotherapy.

Female ; Humans ; Lymphoma, Large B-Cell, Diffuse ; therapy ; Male ; Middle Aged ; Prognosis ; Retrospective Studies ; Stomach Neoplasms ; therapy ; Treatment Outcome

OBJECTIVETo explore the clinicopathological characteristics and prognostic factors of primary gastric lymphoma (PGL).

METHODSThe clinical data of 204 patients with PGL was reviewed and analyzed. There were 106 males and 98 females, their age were 19 to 85 years (average age was 53.7 years). The Focal areas included gastric fundus lesions 41 cases (20.1%), stomach body lesions 127 cases (62.3%), distal gastric lesions 105 cases (51.5%), cardia lesions 13 cases (6.4%), duodenal bulb lesion 1 cases (0.5%). The clinical characteristics and the outcomes in patients with influence were analysed.

RESULTSIn 204 PGL patients, the most common complaints were abdominal pain (62.3%) and weight loss (52.9%). Most of the PGL patients appeared ulcerative (76.0%) and results showed that 62.7% patients involved single location. As to the factors of cellulate grading and pathological characteristics, most patients (87.7%) show low-grade or intermediate-grade lymphoma, Musshoff stages I and II (74.0%). In 186 patients with complete follow-up data, survival rates of 1-, 3- and 5-year were 75.8%, 63.4% and 60.2% respectively. The median overall survival time was 50.0 months. In univariate survival analysis, age (χ(2) = 5.030), level of LDH (χ(2) = 40.084), cellulate grading (χ(2) = 35.238), Musshoff stage (χ(2) = 71.601), tumor diameter (χ(2) = 12.018) and option of managements (χ(2) = 14.140) were obviously correlated with the prognosis (all P < 0.05). Musshoff stage (RR = 2.230, 95%CI: 1.372 - 3.625) and cellulate grading (RR = 1.892, 95%CI: 1.010 - 3.543) were independent prognostic factors in multivariable analysis (both P < 0.05). There was no prognostic difference between surgery and chemotherapy in stage I and II (χ(2) = 1.223, P = 0.542).

CONCLUSIONSMusshoff stage and grade malignancy are independent prognostic factors. For patients with stage I and II, surgical resection is not the first-choice for clinical therapy.

Adult ; Aged ; Aged, 80 and over ; Female ; Humans ; Lymphoma, Non-Hodgkin ; diagnosis ; pathology ; Male ; Middle Aged ; Prognosis ; Retrospective Studies ; Stomach Neoplasms ; diagnosis ; pathology ; Young Adult

OBJECTIVETo explore the risk factors for early recurrence (recurrence within 2 years) of proximal gastric cancer after radical resection.

METHODSThe clinical data of 367 proximal gastric cancer patients who underwent radical resection in the Cancer Institute and Hospital of Tianjin Medical University between January 2000 and May 2006 were reviewed. Among them, there are 71 patients (19.3%) with early recurrence. Univariate analysis and multivariate analysis were applied to investigate risk factors for early recurrence.

RESULTSUnivariate analysis showed that Borrmann type (P<0.01), histology type (P<0.01), depth of invasion (P<0.05), negative lymph nodes count (P<0.05) were risk factors for early recurrence of proximal gastric. On multivariate analysis, histology type (P<0.05), depth of invasion (P<0.05), negative lymph nodes counts (P<0.05) were independent risk factors for early recurrence of proximal gastric cancer. Negative lymph nodes in early recurrence patients were 8.4 ± 7.2, which were significantly less as compared to patients without early recurrence (10.7 ± 8.7) (P<0.05).

CONCLUSIONFor T3 proximal gastric adenosquamous cancer, extended resection and lymphadenectomy should be considered. Intraoperative or postoperative adjuvant treatment should be administered as routine.

Adult ; Aged ; Female ; Humans ; Male ; Middle Aged ; Neoplasm Recurrence, Local ; pathology ; Postoperative Period ; Retrospective Studies ; Risk Factors ; Stomach Neoplasms ; pathology ; surgery

Objective To study the calculation of the cost consumption index adjusted with major diagnostic classification (MDC), for optimal use of DRGs index in hospital performance evaluation. Methods The adjustment method of CMI value in DRGs index system was used as reference, and we compared the different cost consumption indexes(both MDC adjusted and non-adjusted) of two hospitals(S and Y) in Guangdong province. Then we compared the different rankings of 82 tertiary general hospitals in the province before and after the adjustment. Results The cost consumption index of S hospital was higher than that of Y hospital by the non-adjusted method (1.30 >1.28). But as calculated by the adjusted method,the index of S hospital was significantly lower than Y hospital (1.31 <1.38). The rankings of these 82 hospitals also showed major changes,which prove that the cost consumption index, the same as CMI,will be affected by MDC cases makeup.Conclusions The MDC adjusted cost consumption index, when applied to hospital performance evaluation, renders more stable and reasonable results. This is an evidence that the adjusted cost consumption index is of great practical value in hospital performance evaluation.

In recent years,the CTLA-4 immunoglobulin biologics,a negative regulator in the immune system,have been obtained due attention in autoimmune diseases,transplantation rejection,and antineoplastic agents.CTLA-4 can inhibit T cell activation,reduce the expression of RANKL and other cytokines through regulating immune response,and effectively alleviate the process of bone resorption.According to previous study,CTLA-4 was involved in osteoclast-induced bone destruction and bone remodeling.In this review,the effect of CTLA-4 on the autoimmune diseases,on the osteoclast formation,and on the alveolar bone remodeling in the periodontal tissue was involved,and the related research were also evaluated to look forward to possible future basic research and clinical application direction.

This study was to explore the effect of recombinant human granulocyte colony-stimulating factor (rhG-CSF) on neutrophil morphology, function and phenotype in patients with acute leukemia undergoing chemotherapy. Neutrophil morphology was observed under microscope with oil immersion; phagocytotic function was examined by measuring the amount of hydrogen peroxide produced by neutrophil; chemotaxis was analyzed by agarose method; oxidative burst was analyzed by flow cytometry using immunofluorescence technique; neutrophil phenotype was analyzed by flow cytometry and immunofluorescence techniques. The results showed that after rhG-CSF administration, the increased "toxic" granulation, vacuoles and Döhle bodies were observed in neutrophils of patients with acute leukemia. Compared with normal control, the functions of phagocytosis, chemotaxis, oxidative burst of neutrophil were impaired after chemotherapy, while these functions were enhanced and returned to normal level or even to be exceeded after administration of rhG-CSF. In patients with acute leukemia the neutrophil presented significantly higher expression of CD64 and CD62L than that in normal control, and a mild increase of CD64 expression and significant increase of CD62L expression were found in patients after rhG-CSF treatment. No modifications of CD16, CD32, CD14 and CD11b expression were detected in these patients before or after G-CSF administration. It is concluded that rhG-CSF administration can modify the morphology, function and phenotype of neutrophils in the patients with acute leukemia undergoing chemotherapy, and these modifications of neutrophil behavior may be supposed to be a reason for the enhancement of organism anti-infection ability.
Acute Disease ; Adult ; Aged ; Chemotaxis ; drug effects ; Female ; Flow Cytometry ; Fluorescent Antibody Technique ; Granulocyte Colony-Stimulating Factor ; therapeutic use ; Humans ; Immunophenotyping ; L-Selectin ; analysis ; Leukemia ; blood ; drug therapy ; pathology ; Male ; Middle Aged ; Neutrophils ; drug effects ; immunology ; pathology ; Phagocytosis ; drug effects ; Receptors, IgG ; analysis ; Recombinant Proteins ; Respiratory Burst ; drug effects

OBJECTIVETo evaluate and compare the results of vagina vasorum lymph node dissection (VLND) and non-vagina vasorum lymph node dissection (NVLND) in patients with gastric cancer after radical operation.

METHODSA total of 759 cases of evaluable patients with gastric cancer, operated from June 1994 to April 2005, were retrospectively analyzed. Of which, 627 cases underwent radical gastrectomy: 215 patients received VLND and 412 cases received NVLND. The operation time, intraoperative blood loss, operative complications and survival rate were recorded and compared between the two groups.

RESULTSThe 5- and 10-year overall accumulative survival rates of VLND group and NVLND group were 55.4% and 51.2%, 39.1%and 36.8%, respectively (all P < 0.05). No significant differences in intraoperative blood transfusion (loss), operation time, operative complication rate was found between the two groups. The 5- and 10-year accumulative survival in patients with a tumor of phase N0-N2, T2-T4, Ib-IV in VLND groups were all significant higher than those in NVLND group.

CONCLUSIONSVLND is a safe technique in advanced gastric cancer, it dose not prolong operation time or increase operative complications but improves survival.

Adult ; Aged ; Aged, 80 and over ; Female ; Follow-Up Studies ; Gastrectomy ; Humans ; Lymph Node Excision ; methods ; Lymphatic Metastasis ; Male ; Middle Aged ; Retrospective Studies ; Stomach Neoplasms ; pathology ; surgery ; Survival Analysis ; Treatment Outcome ; Young Adult

OBJECTIVETo identify the relationship between coagulation factor V (FV) gene single nucleotide polymorphisms (SNPs) and venous thromboembolism (VTE).

METHODSThe FV clotting activity (FV: C) and FV antigen (FV: Ag) in plasma of VTE group (111 patients) and normal control (110 patients) were detected using one-stage clotting assay and ELISA, respectively. Five pairs of primers of the F V polymorphisms including Asp79His, Arg306The, Arg306Gly, Arg506Gln and Ile359The/His1299 Arg were synthesized and amplified by PCR. The PCR products were digested by restriction enzyme using PCR-RFLP. The detected polymorphisms were confirmed by direct sequencing. The samples containing the polymorphisms were screened for coding regions of all F V exons with direct sequencing.

RESULTSThe plasma levels of F V: C and F V: Ag of VTE group and normal control were (106.9 +/- 28.0)%, (110.4 +/- 33.3)% and (102.4 +/- 30.9)%, (102.1 +/- 24.1)%, respectively. The plasma level of FV: Ag was significantly different between VTE group and normal control. However, there was no difference in F V: C levels. Polymorphisms for the fore mentioned 5 primer pairs were not found in either patients or normal controls. Polymorphism of His1299Arg was identified in 5 patients with VTE and 3 normal controls. And these 5 cases also combined Met1736Val polymorphism, 3 of them combined another Asp2194Gly polymorphism.

CONCLUSIONThe higher plasma level of F V: Ag contribute to venous thromboembolism. There is no relationship between polymorphisms of Asp79His, Arg306The, Arg306Gly, Arg506Gln, Ile359The and venous thromboembolism in Chinese studied. Polymorphism His1299Arg is higher in VTE group than in normal control, but has no statistical difference. Polymorphisms of His1299Arg, Met1736Val and Asp2194Gly are linked disequilibrium in Chinese Han population.

Factor V ; genetics ; Female ; Gene Frequency ; Humans ; Linkage Disequilibrium ; Male ; Middle Aged ; Polymorphism, Single Nucleotide ; Venous Thromboembolism ; genetics