ObjectiveTo compare the clinical effects of laparoscopically assisted vaginal hysterectomy (LAVH) and transabdominal hysterectomy (TAH).MethodsOne hundred and twenty-six cases operated with hysterectomy were classified into LAVH group and TAH group by random digits table with 63 cases each.The operation time,intraoperative bleeding amount,exhaust time,hospitalization time and postoperative complications were observed and compared.ResultsThe operation time,intraoperative bleeding amount,exhaust time and hospitalization time was ( 115.6 ± 13.8 ) min,(92.5 ± 11.3 ) ml,(21.8 ±4.8) d and (6.1 ± 1.7) d in LAVH group,( 82.5 ± 8.7) min,( 112.3 ± 17.8) ml,(28.9 ± 6.2) d and (9.6 ±2.2) d in TAH group,there were significant differences between two groups (P＜0.05).The incidence of incision pain,delayed wound healing,vaginal stump infection,thrombophlebitis,and gastrointestinal disorders was 9.5％(6/63),0,1.6％(1/63),0 and 7.9％(5/63) in LAVH group,which was significantly lower than that in TAH group [52.4％(33/63),7.9％(5/63),11.1％(7/63),7.9％(5/63) and 22.2％ ( 14/63 ) ] (P ＜ 0.05).ConclusionCompared with TAH,LAVH can shorten exhaust time,hospitalization time,reduce intraoperative bleeding amount,decrease complication rate,which can be further applied in clinic.

ObjectiveTo discuss the clinical value of serum CA125 and endometrial antibody (EMAb) for the diagnosis of endometriosis.Methods216 patients were determined by the presences of CA125 and EMAb before operation.ResultsAll cases were diagnosed by pathology after operation. CA125 positive rate in the endometriosis group was 58.3% and that in the control group was 12.5%. The difference between two groups was significant (P<0.01).EMAb positive rate in the endometriosis group was 31.3% and that in the control group was 14.3%. The difference between two groups was also significant (P<0.01). When determining CA125 alone to diagnose endometriosis, the sensitivity rate was 58.3% and specificity rate was 87.5%. If determining EMAb alone to diagnose endometriosis, the sensitivity rate was 31.3% and specificity rate was 85.7%. When one of them was used as diagnostic criterion, the sensitivity and specificity were 64.6% and 73.2% respectively. If combining use of both CA125 and EMAb as diagnostic criterion, the sensitivity and specificity were 25.0% and 100% respectively.Conclusions The determination of serum CA125 or EMAb levels is helpful for the qualitative diagnosis of endometriosis, especially using them combined, the diagnostic accuracy may be enhanced.

Objective Xenografts have poor biocompatibilities,the aim of this study was to improve the biocompatibilities of decellular xenografts via heparin/dihydroxy-iron complex multilayeres (HDCMs) nanomodification.Methods A novel thrombo-resistant surface for decellular xenograft had been developed by alternating linkage of dihydroxy-iron and heparin to decellular bovine jugular vein (DC-BJV),and surface characterization and biocompatibility of HDCMs nanomodified BJV (HDCMs-BJV) were detected.Results Toluidine blue colorimetric method showed the amount of linked heparin was about (808 ±86) μg/cm2 per assembly-cycle.SEM images proved HDCMs were uniformly linked to and formed nanoscale films around the fibrils of DC-BJV.Washing test proved HDCMs were firmly linked to BJV and sustainedly released heparin for a long time.Tensile test showed that biomechanical stability was increased.Antithrombogenicity test showed that the activated partial thrombin time (APTT) and prothrombin time (PT) of all trial groups were above the normal reference ranges.Platelet adhesion test evaluated mean platelet count per 10 000 μm2 area was 8 ±4 for HDCMs-BJV vs.48 ± 16 for DC-BJV.Endothelial cells (ECs) proliferation test showed the number and activity of ECs on luminal surface of HDCMs-BJV were very similar to DC-BJV at 7-day incubation.Calcium content assay evaluated mean calcium content was ( 8.5 ± 1.9 ) μg/mg dry weight for HDCMs-BJV vs.(26.6 ± 3.7) μg/mg dry weight for DC-BJV at 4 weeks and (21.5 ± 6.8 ) μg/mg dry weight for HDCMsBJV vs.( 112.6 ± 16.9) μg/mg dry weight for DC-BJVs at 8 weeks,respectively.Conclusion These results demonstrate HDCMs were firmly linked to BJV and formed nanoscale thrombo-resistant films,and HDCMs nanomodification improves biocompatibilities of decellular xenograft.

Lentiviral vectors (Lv), known as holding lots of virtues (e.g. transfection to the dividing or non-dividing cells;large capacity of transfer gene fragments; long-term expression transfer genes; and low rate of immunological response) has come to be one of the hot-spots in gene therapy research. In this paper, taking the Lv derived from HIV-1 for example, we review the characteristics of frame, the developments and the advances in application of Lv.
Animals ; Animals, Genetically Modified ; Genetic Therapy ; methods ; trends ; Genetic Vectors ; genetics ; HIV-1 ; genetics ; Humans ; RNA, Small Interfering ; genetics ; Transduction, Genetic ; methods

Objective To investigate the short term effect of gastric bypass surgery for the treatment of nonobese type 2 diabetes mellitus and possible mechanisms. Methods The clinical data of 58 patients with nonobese type 2 diabetes mellitus who received gastric bypass surgery from March to August, 2009 were retrospectively analyzed. The levels of fasting plasms glucose (FPG), 2-hour postprandial plasma glucose (2h PG) and glycosylated hemoglobin (HbA1c) were dynamically monitored, and the insulin resistance index (HOMA-IR) and body mass index ( BMI) were calculated. All data were analyzed using variance of analysis and LSD test. Results Of the 58 patients, 48 (83% ) met the requirement of complete response criteria and stopped administration of hypoglycemic agents; 7( 12% ) had to use hypoglycemic agents, but the dose of the agents was lowered by 50% compared to that before surgery. The surgery was ineffective in 3 patients (5% ). The levels of FPG, 2h PG, HbAlc and HOMA-IR of the 58 patients showed a significant decreasing trend after surgery when compared to those before surgery (F = 67. 867, 50. 885, 78. 278, 572. 757, P <0.05), while there was no significant change of the BMI after surgery ( F = 3. 503, P > 0. 05 ). Conclusions Gastric bypass surgery has a good effect on nonobese patients with type 2 diabetes mellitus whose BMI was less than 25 kg/m2. The improvement of insulin resistance after the surgery might be the main reason.

OBJECTIVE: To improve the hemocompatibility of decellular vascular matrix via heparin-iron complex multilayers (HICMs) nanomodification. METHODS: A novel thrombo-resistant surface for decellular xenograft was developed by alternating linkage of dihydroxy-iron and heparin to decellular bovine jugular vein (DC-BJV), and its surface characterization, biomechanical stability and hemocompatibility were detected by scanning electron microscopy, tensile test and hemocompatibility evaluation, respectively. RESULTS: A toluidine blue colorimetric method indicated the amount of linked heparin was about (808±86) μg/cm2 per assembly-cycle. Scanning electron microscopic (SEM) images proved that HICMs were uniformly linked to and formed nanoscale films around the fibrils of DC-BJV. Toluidine blue staining histologic images showed that HICMs were linked mainly to DC-BJV surfaces. Washing test showed that the release of heparin was (281±43), (422 ± 60), (729±81), (1053±116), (1317±157), (1618±187) and (1945 ± 268 ) μg/cm(2) at 1 day, 1, 2, 3, 4, 6 and 8 week washing, respectively. Tensile tests showed an increased biomechanical stability. Hemocompatibility evaluations showed that PT and APTT of all the trial groups were above the normal reference ranges and that mean platelet count per 10000 μm2 area was 8±4 for HICMs layer-by-layer modified BJV (LBL-BJV) vs 48±16 for DC-BJV. CONCLUSION HICMs are firmly linked to DC-BJV, and can form nanoscale thrombo-resistant films, which yield a sustained release of heparin. HICMs nanomodification improves the hemocompatibility of decellular xenograft.
Animals ; Biocompatible Materials ; Blood Vessel Prosthesis ; Cattle ; Cell-Free System ; Coated Materials, Biocompatible ; chemical synthesis ; chemistry ; pharmacology ; Heparin ; administration & dosage ; chemistry ; Iron ; administration & dosage ; chemistry ; Jugular Veins ; Nanostructures ; chemistry ; ultrastructure ; Surface Properties ; Tissue Scaffolds ; Transplantation, Heterologous

Objective: To investigate the effects of milrinone on levels of inflammatory factors and liver and renal function after CPB in rheumatic heart disease patients for valve replacement. Methods: From January 2014 to January 2016, 80 patients received valve replacement in the Central Hospital of Chongqing Three Gorges were randomly divided into observation group and control group by block randomization grouping method, with 40 patients in each group.The patients in the observation group were pumped intravenously with milrinone 0.5μg·kg^-1·min^-1 for 72h after surgery, while the patients in the control group were not pumped.The serum levels of IL-6, IL-8, IL-10, TNF-α were detected by ELISA before operation and on 0d, 1d, 3d, 5d after operation, respectively.The levels of ALT, AST, Scr were also detected at the same time.Moreover, the time for operation, extracorporeal circulation, interruption, mechanical ventilation, ICU and hospital were also compared between the two groups. Results: The levels of TNF-α, IL-6, IL-8 and IL-10 increased immediately after operation in both groups[control group: (14.97±5.14)pg/mL, (52.45±10.37)pg/mL, (34.10±8.38)pg/mL, (32.27±8.45)pg/mL; observation group: (16.05±5.71)pg/mL, (54.39±8.56)pg/mL, (33.80±7.69)pg/mL, (31.48±5.94)pg/mL, t=-0.628, -0.644, 0.116, 0.342], and the peak values of TNF-α, IL-6 and IL-8 reached on the first day after operation in both two groups[control group: (52.07±10.18)pg/mL, (96.04±26.45)pg/mL, (91.14±18.28)pg/mL, (48.10±9.78)pg/mL; observation group: (50.37±12.98)pg/mL, (93.66±24.10)pg/mL, (83.16±16.28)pg/mL, (46.68±9.25)pg/mL, t=0.559, 0.295, 1.458, 0.473], and the peak value of IL-10 reached on the 3rd day after operation(t=-3.577), the differences were statistically significant on the 3rd day after operation[control group: (36.03±9.39)pg/mL, (59.56±14.38)pg/mL, (53.91±13.16)pg/mL, (85.55±16.49)pg/mL; observation group: (36.70±4.33)pg/mL, (36.20±3.85)pg/mL, (42.91±7.30)pg/mL, (101.33±10.81)pg/mL, t=-0.289, 7.017, 3.267, -3.577]. The levels of ALT, AST and Scr increased immediately after operation in both groups[control group: (38.51±5.12)U/L, (40.23±5.03)U/L, (62.27±5.02)μmol/L; observation group: (39.20±4.67)U/L, (39.6±4.94)U/L, (73.61±4.04)μmol/L, t=0.114, 0.243, 0.630], there were tatistically significant difference between the two groups on the 5th day after operation[control group: (61.45±5.27)U/L, (54.20±7.0)U/L, (86.45±9.01)μmol/L; observation group: (36.20±3.85)U/L, (34.85±7.12)U/L, (83.7±11.07)μmol/L, t=11.231, 9.224, 5.647], and on the fifth day, the levels of ALT, AST and Scr in the observation group dropped to normal, while only the level of Scr in the control group dropped to normal.There were no statistically significant differences in the time of operation, extracorporeal circulation, interruption, mechanical ventilation between two groups (t=0.267, 0.151, 0.187, 0.773, all P>0.05). However, there were statistically significant differences in the time of ICU and hospital [control group: (54.90±16.84)h, (14.35±3.01)d, observation group: (44.05±7.06)h, (10±1.86)d, t=8.149, 13.042, all P<0.05]. Conclusion Milrinone can obviously improve the inflammatory reaction in surgical trauma tissues caused by IL-6, IL-8, IL-10, TNF-α, and can protect liver, renal tissue from injury, moreover, it can decrease the incidence of postoperative complications and the length of hospital stay.