Humans ; Laparoscopy

0.05).After that,both systolic and diastolic function began to decrease.In 4 weeks after the operation,both the the maximum rate of left ventricular isovolumic systolic pressure + dp/dtmax and the maximum rate of left ventricular isovolumic diastolic pressure-dp/dtmax decreased to the lowest levels [(1249.89 ? 95.82) mm Hg/s and(-1316.40 ? 58.31) mm Hg/s,respectively];and then in 6 weeks after the operation,echocardiography showed that the left ventricular short axis fractional shortening FS reached the lowest level [(18.70 ? 3.83)%].Moreover,we found that the FS was highly related with the + dp/dtmax(r=0.864,P

Objective To investigate the Shenmai injection for the inhibition of hepatic and renal toxicity and leukocyte disorder during chemoradiotherapy in the women with advanced breast cancer. Methods 58 cases of female breast cancer patients with stage Ⅳ were selected and randomly divided into 2 groups, 29 cases of each group, and patients were treated with 5-hydroxytryptamine (5-HT3) receptor antagonists and white blood cell growth hormone and other conventional therapy, the control group received gemcitabine plus cisplatin chemotherapy, 28d for 1 cycles, the treatment group received more with Shenmai injection, interval was 15d, 2 groups were treated for 3 cycles. Levels of peripheral blood T lymphocyte subsets, cytokine levels and liver and kidney function, quality of life and clinical efficacy were compared. Results Compared with before treatment, levels of CD3+, CD4+ and CD4+/CD8+ in control group decreased (P<0.05), levels of CD3+, CD4+ and CD4+/CD8+ in treatment group increased (P<0.05), levels of CD8+ decreased(P<0.05), levels of IFN-γ, IL-2 and TNF-α increased(P<0.05), levels of IL-6 decreased(P<0.05), scores of KPS increased(P<0.05), scores of FACT-B decreased(P<0.05), levels of ALT, AST, BUN increased(P<0.05), and levels of CCr, WBC counts decreased(P<0.05), and compared with the control group, levels of CD3+ , CD4+ and CD4+/CD8+ in the treatment group were higher(P<0.05), levels of CD8+ were lower(P<0.05), levels of IFN-γ, IL-2 and TNF-α were higher(P<0.05), levels of IL-6 were lower(P<0.05), and the total efficiency was higher(P<0.05), levels of ALT, AST, BUN were lower (P<0.05), and levels of CCr, WBC counts were higher (P<0.05). After treatment, the efficacy of treatment group was higher than that of control group(Z=-2.142,P=0.032<0.05). Conclusion Shenmai injection can improve the efficacy of radiotherapy and chemotherapy in patients with advanced breast cancer, and it can effectively inhibit the liver and kidney damage and leukocyte disorder.

Objective To investigate the intracellular mechanisms by which 3,6-dihydroxyflavone inducing apoptosis of HL-60 cells.Methods After the HL-60 cells were treated with 3,6-dihydroxyflavone at the concentration of 5.10,20 or 40 mol/L,the cells then were inoculated under the selected optimal concentration.The survival rate of HL-60 cells was analyzed using a haemocytometer with standard trypan blue dye exclusion and a CASY cell counter and analyzer.The contents of malondialdehyde(MDA)and the activities of superoxide dismutase(SOD),catalase(CAT)and glutathione peroxidase(GSH-Px)in the cells were measured by chemochromatometry.The expression of phosphorylation of ERK,JNK and p38MAPK were examined by Western blotting.Results The survival rate of HL-60 cells was significantly reduced in a dose-and time-dependent manner after 3,6-dihydroxyflavone treatment.When the dose was over 10 mol/L or the time was longer than 12 h under the concentration of 20 mol/L,significantly decreased survival rate was observed(P

Objective To study the relationship between the severity of diastolic heart failure(DHF)and bone mineral density in the elderly. Methods Totally 80 elderly patients aged over 80 years who were tested as normal for cardiac diastolic function by Doppler tissue imaging(DTI) were selected and divided into four groups by the e/a ratio,i.e.,the normal group(n=18),the DHF 1 group(0.8≤e/a<1,n=25),the DHF 2 group (0.6≤e/a<0.8,n=22),and the DHF 3 group(e/a<0.6,n=15). And the other 20 healthy people by physical examination were set as the normal control group.All subjects underwent bone mineral density(BMD)measurement(including femoral neck,total femoral hip and lumbar vertebra 1?4) by dual energy X?ray absorptiometry. Results Bone mineral density(BMD)was significantly decreased(P<0.05)in DHF groups(DHF 1,DHF 2,and DHF 3). Bone mineral density significantly decreased along with the severity of DHF. Bone mineral density was positively correlated with the e/a ratio in the elderly with DHF(r=0.75,P<0.01). Conclusion The severity of diastolic heart failure is closely related to bone mineral density in the elderly. The severity of diastolic heart failure could predict osteoporosis.

OBJECTIVE To analyze resistance and detect plasmid-mediated AmpC genes in Klebsiella pneumoniae.METHODS The susceptibility of the K.pneumoniae to 13 antibiotics was tested by K-B method.Modified three-dimensional extract test was adopted to detect AmpC lactamases in K.pneumoniae.The genotypes of AmpC lactamases were determined by polymerase chain reaction and sequencing.RESULTS Among the 105 isolates,the rate of extended spectrum ?-lactamases(ESBLs) was 41.90%,the rate of AmpC ?-lactamases was 0.95% strains,and the rate of ESBLs and AmpC ?-lactamases was 2.86%.DNA sequence analysis conformed that AmpC lactamases positive isolates were DHA AmpC gene.The resistance rate to penicillins,cephalosporins,?-lactam/?-lactam inhibitors,monobactams,and fluoroquinolones was very high.The susceptibility rate to imipenem was 100.00%.CONCLUSIONS The plasmid-mediated AmpC gene is present in clinically isolated K.pneumoniae.The resistance can be transferred to homologous or different genera of bacteria.

OBJECTIVE To analyze the cause of Acinetobacter baumannii resistance to ?-lactam and the aminoglycoside-modifying antibacterials. METHODS Three-dimensional test was used to analyze and classify the ?-lactamases. Proper primers was used to do PCR and determined by sequencing. RESULTS A. baumannii clinical isolate harbored blaOXA2-23,blaTEM and blaADC genes and aac(3)-Ⅰ,aac(6')-Ⅰb and ant(3″)-Ⅰ aminoglycoside-modifying enzyme genes. CONCLUSIONS An A. baumannii strain which carries TEM,OXA-23,ADC ?-lactams and aac(3)-Ⅰ,aac(6')-Ⅰb,ant(3″)-Ⅰ aminoglycoside-modifying enzyme genes is detected.

BACKGROUND: Changes of elastic fibers in middle cerebral artery(MCA)is close related withthe aged cerebrovascular disease.OBJECTIVE: To observe the changes of elastic fibers of MCA in different aging rats.DESIGN: A descriptive and controlled study based on experimental animals.SETTING: Department of anatomy and central laboratory in a university.MATERIALS: Totally 36 healthy Wistar rats with either gender, weighing 200 - 280 g, were selected from the Animal Institute of the third medical military university of Chongqing[certification SCXX (army) 2002-007].INTERVENTIONS: Changes of elastic fibers of MCA of different aging rats were observed with light microscope, transmission electron microscope and image analysis system. MAIN OUTCOME MEASURES: ①) Major outcome: changes of elastic lamella in MCA of different aging rats; ②) Secondary outcome: ultramicrostructural changes of internal lamella under the transmission electron microscope. RESULTS: With the increase of age, the folded extent and quantity of internal elastic lamella were decreased, and the content of elastic fibers were also decreased significantly( P ＜ 0.01 ). However, the ratio of collagen fibers to elastic fibers was increased significantly( P ＜ 0.01 ) . In the aging group above 24 months, the internal elastic lamina thinned, delaminated and disrupted, and the lipid deposited in it. Endothelial cells and smooth muscle cells passed through the internal elastic lamina. CONCLUSION: Changes of elastic fibers may be related with the increased susceptibility to the cerebrovascular disease in aged people.

Objective: To study the effects of fortified conjugated linoleic acid (CLA) milk on body fat and plasma lipids in mice.Method:Forty male Kunming mice of 4 w old were randomly divided into four groups and fed diet and milk supplemented with 0%,0.1%,0.5%,1.0% CLA (percent of diet, dry mass) respectively for 4 w.Weight gain,body fat,intra-abdominal fat,feed conversion efficiency and plasma TG, TC, HDL , LPL were measured.Results:At the end of the experiment, all these physiological indices were decreased with increasing CLA in the milk and were lower significantly than that of control group when supplemented with 0.5% CLA in milk. TG , TC and (TC- HDL) / HDL were decreased, but HDL and LPL were increased with increasing CLA amount in the milk. TG,HDL,LPL and (TC- HDL)/ HDL were best when fed the milk supplemented with 1.0% CLA,while TC was the lowest when fed the milk supplemented with 0.5% CLA . Conclusion:The fortified conjugated linoleic acid is effective in lowering body fat and blood lipids.

AIM: To investigate the action of Xingshen Capsule(Tea, Radix Ginseng, etc.) on anti-centre and body fatigue in mice. METHODS: Mice were divided into five groups and were given different dosage once a day for six days, then, their weight, motor activity, roating bar tolerance and the hypnogenetic effects of sodium pentobarbital were observed on the 1 st and 6 th day. RESULTS: Comparing with the negative control, Xingshen Capsule could notably increase the times of motor activity, prolong the persisting time on the roating bar, shorten the sleeping time caused by sodium pentobarbital while prolong its latence. CONCLUSION: Xingshen Capsule may have outstanding effect on refreshing one's nerve and body.