Objective To evaluate the feasibility and efficacy of laparoscopic tubal anastomosis after tubal sterilization.Methods A total of 27 cases of fallopian tube anastomosis with tubal anastomosis were performed under laparoscopy.After removing the sterilized scar in the tubes the hydrotubation was carried out using Methylene Blue to detect whether the tube was patent.By using 6/0 absorbable thread,we sutured the mesosalpinx with 2 or 3 stitches to close the both ends of the fallopian tube.And then,isthmus-isthmus(1 whole-layer stitch at the 12 o'clock,and then 1-stitch sutures at the serous layer of the 8 and 4 o'clock respectively)ampulla-ampulla(1 whole-layer stitch at the 12 o'clock,and then 1-stitch sutures at the whole layers of the 9,7,5,and 3 o'clock respectively),or isthmus-ampulla(same method as the ampulla-ampulla anastomosis but more closed sutures)was performed.The patients received hydrotubation at the first day after the operation and then 3 to 5 days after the first menstruation.They were followed up for every 6 months till pregnancy.Results In the 27 patients(54 tubes),the rate of patency was 88.9%(48/54).The patent rate in the patients received isthmus-isthmus or ampulla-ampulla anastomosis was 86.5%(32/37)and 100%(15/15)respectively.In the 2 cases of isthmus-ampulla anastomosis,one was patent after the operation,and in the other,the Methylene Blue test showed anastomotic leakage.The hydrotubation performed at the first day after the treatment showed a rate of patent in 25 cases(2.6%,25/27),only two patient showed obstruction of the tube(7.4%,2/27).Follow-up was available in 26 of the patients up to over 6 months,19 of them had intrauterine pregnancy(73.1%,19/26)in 24 months after the procedure,among which 89.5%(17/19)occurred in 12 months;one(3.8%,1/26)patient developed ectopic pregnancy.Conclusions Laparoscopic tubal anastomosis is safe and effective for patients who desire reversal after sterilization.

Objective To observe the effects of phlorohlucinol on cervical dilatation. Methods Totaling 250 normal parturients were randomized into four study groups (50 in each group) and control group (n=50). Phloroglucinol was given in the study groups(group1,2,3 and 4)at the dose of 40 mg to the cervix and/or 160 mg and 200 mg intravenously during the latent phase. The control group (group1) received only atropine (0.5 mg) intravenously. Results The overall speed of cervical dilatation in the study group was (2.82?1.82) cm/h and (1.78?1.01) cm/h in the control group. The mean time of the first stage of labor was (14.23?1.11) h and (17.71?2.23) h in the study and control group, respectively (P

Objective To evaluate the different effect of 50 g glucose challenge test (GCT) on screening the glucose intolerance at different gestational age. Methods Two thousand pregnant women were divided into 2 groups(1000 in each). Women in group A received 50 g GCT at 14 and 28 gestational weeks respectively and 75 g oral glucose tolerance test (OGTT) were performed in those cases with abnormal 50 g GCT. 50 g GCT was performed after fasting at 14 gestational weeks and repeated one hour after a meal at 28 gestational weeks. Women in group B were screened by 50 g GCT at 28 gestational weeks and followed by 75 g OGTT for those with abnormal 50 g GCT. The diagnostic effect of 50 g GCT for screening at different weeks of gestation with different ways was evaluated. Results (1)The rate of abnormal result of 50 g GCT was higher in fasting cases than that of cases testing after meal (15.6% vs 12.2%, P

Objective To observe the effects of diazepam on the cervix in relieving spasm, eliminating edema and improving dilation during the latent phase of labor. Methods One hundred normal parturients were randomly devided into study group ( n =50) and control group ( n =50). The study group was injected diazepam 10 mg in the cervix during the latent phase. The control group was given 10 mg of diazepam by intravenous injection. Results The dilating speed of cervix in study group was 2.81?1.92 cm/h. The mean time of the first stage of labor was 11.13?1.21 h, while the control group was 1.98?0.92 cm/h and 13.34?0.44 h respectively. The differences between two groups were statistically significant ( P

Four specific salt-tolerant fungi for dissolving phosphate rock (FM) w ere isolated from the coastal saline soils. It was found that the biomass and a b ility to release phosphate from the materials decreased with increasing of the N aCl content. During pH7.0～8.5, the biomass and ability of to release phospho rus from the materials of FM1 decreased sharply with pH rising, but the FM2 and FM4 decreased not considerably, optimal pH for FM3 was at pH8.5. At pH9.0, the bi oma ss and ability of to release phosphorus from the materials decreased quickly. F M2 was stable at alkaline and high salt content condition.

Objective To explore the adverse effects of formaldehyde(FA)on learning and memory ability of mice and the antagonistic effect of N-acetyl-cysteine(NAC),an antioxidant.Methods Thirty-four ICR mice were randomly divided into four groups,the control(NS,n=8),treated with FA(15 mg/kg,n=9),treated with NAC(100 mg/kg,n=8),treated with FA(15 mg/kg) plus NAC(100 mg/kg,n=9),the treatment was conducted by intraperitoneal injection once a day for seven consecutive days.On the eighth day,the learning and memory ability were tested by using water labyrinth task for seven consecutive days.Results The mice in FA group behaved excited,restless and then turned to repose,moveless and clustering,but this phenomena was not seen in the other groups.There was no significant difference in the body weight of mice among groups.As for learning,latent period in the FA group [(27.15?2.66)s] was significantly longer than that in the control group [(15.83?2.82)s] and the FA+ NAC group[(14.98?2.66)s],and revealed statistical significance(P

Scientific physical exercises have good effect on mental health ,and has unique treating function to the patients with anxiety, depression and schizophrenia .The types of physical exercises , intensity, duration and density during pysical exercises have influence on its result.

Objective To fit the functional relation between Percentage Depth Dose and depth by Newton Interpolation. Methods After analyzing the data of Percentage Depth Dose from different manufacturers' linear accelerators, the average of Percentage Depth Dose with same depth was calculated, and then the average data was determined. The interval was set and the interpolation node was selected for simulating the cubic polynomial with PDD and depth. Results Comparing the calculated values by the function with the measured ones, the error was less than 1%. Conclusion The function simulated with Newton Interpolation is applicable in routine clinical radiotherapy and research.

Objective To compare the image quality between volumetric high-resolution CT (VHRCT)and conventional high-resolution CT(CHRCT),and investigate the feasibility of VHRCT.Methotis Catphan 412 phantom was scanned with protocols of CHRCT and VHRCT on a set of GE Lightspeed VCE.The spatial-resolution(LP/cm),noise(standard deviation iu an ROI)and radiation dose (CTDI)were recorded for each CT scan.Difference of noise between CHRCT and VHRCT were evaluated by paired t test.In clinical study.32 patients were scanned with VHRCT and CHRCT protocols.The image quality of CHRCT and VHRCT was rated and compared.The quality difference between CHRCT and VHRCT was assessed by Wilcoxon paired signed rank sum test.Results In phantom study.the in-plane spatial-resolution of both VHRCT and CHRCT was 11 LP/cm for axial images and 12 LP/cm for coronal reformatted images.The noise of VHRCT and CHRCT was(69.18±2.77)HU and(54.62±2.12)HU respectively(t=-15.929.P＜0.01)at the same dose level.The radiation dose of VHRCT was 19.09 mGy higher than CHRCT at the same noise level.In clinical study.the quality assessment scores of VHRCT axial images and CHRCT axial images were 3.22 and 3.24 respectively.with no significant difference(Z=-0.319,P＞0.05).The qualily assessment scores of VHRCT coronal reformatted images and CHRCT coronal reformatted images were 3.05 and 1.88 respectively with significant difference(Z=-5.088.P＜0.01).Conclusion The image qualitv of VHRCT cross-sectional image is similar to that of CHRCT.Muhiplanar images with high resolution of VHRCT are recommended.The radiation dose of VHRCT remains to be optimized.

Objective To evaluate the effect of exogenous wild PTEN gene stable transfected into human ovarian cancer cell line HO-8910 on phosphatidyl inositol 3-kinase( PI3K)/protein kinase B (Akt)siganal pathway and cells proliferation. Methods Wild-type PTEN recombinant eukaryotic expression plasmid was constructed and then was transfected into HO-8910 cells by lipofectamine 2000. The expression of PTEN, Akt1, Akt2, PI3K mRNA and protein of PTEN were tested by reverse transcription( RT)-PCR and Western blot. The proliferation of HO-8910 after wild PTEN gene transfected was measured by methyl thiazolyl tetrazolium(MTT). Results Wild-type PTEN gene was successfully transfected into HO-8910 cells. The results of RT-PCR and western bolt showed that there were the significant expression high level of PTEN mRNA and protein after infected by wild-PTEN plasmid than those in the control[ ( 17 372 ±23)vs.(39±1 )vs. (78 ±4)copies/ml,P ＜0. 05 ]. While the expression of mRNA of Akt1, Akt2 and PI3K were decreased clearly than those in the control [ (28 ± 2 ) vs. ( 115 ± 5 ), (7 ± 1 ) vs. ( 18 ± 2), (61 ± 2 ) vs.(84 ± 2)copies/ml , all P ＜ 0. 05 ]. The proliferation rate of HO-8910 cells was obviously slower than those in the control (90 158 ±47 vs. 148 251 ±65 vs. 250 115 ±62, P＜0.05). Conclusion Transfection of PTEN may increase the expression of PTEN and inhibit the proliferation of HO-8910 cells, in which PI3K/ Akt siganal pathway is inhibit significantly.