Objective To compare the myocardial protective effect of warm and cold blood cardioplegia during open heart surgery with cardiopulmonary bypass ( CPB) . Methods Thirty patients with congenital heart disease undergoing open heart surgery under CPB were randomly divided into warm and cold blood cardioplegia groups. In both groups the ratio between oxygenated blood and cardioplegic solution was 4 : 1. In warm blood cardioplegia group the heart was perfused with warm blood (35℃) mixed with high-potassium cardioplegic solution as soon as the aorta was cross-clamped until cardiac arrest developed (flat baseline on ECG). Then the heart was perfused with cold blood (4-81) mixed with low-potassium cardioplegic solution 10 ml?kg-1 every 20 min during ischemic period. At the end of CPB warm blood without potassium was again used to perfuse the heart. Venous blood samples were taken 0.5 h before operation, at the end of operation (T1) and 3 h, 1, 3 and 6 days (T2-5) after surgery for determination of plasma concentrations of CK-MB, cTnI, TNF-?, IL-6 and IL-10. The rate of spontaneous recovery of heart beating was compared between the two groups. Results The two groups were comparable with respect to the demographic data and CPB time. The rate of spontaneous recovery of heart beating was significantly higher and the duration of postoperative mechanical ventilation and ICU stay were significantly shorter in the warm blood cardioplegia group than in cold blood group. The plasma levels of CK-MB, cTnl, TNF-?, IL-6 and IL-10 increased significantly after operation as compared to the baseline (T0) in both groups. The plasma concentrations of cTnl, CK-MB, TNF-? and IL-6 were significantly lower after operation while plasma IL-10 level was significantly higher at T3-4 in warm than in cold blood cardioplegia group ( P

Objective To evaluate the influences of high hydrostatic pressure (HHP) on the virulence and antigenicity of Coxsackie virus B3 (CB3 V) , to explore a new physiological method to develop an active vaccine against Coxsackie virus. Methods The phagocytosis of the macrophages in mice to the CB3 V and the TCID50 of the CB3V before and after treated by HHP were examined. Results TCID50 increased from 10-5 to 10-4 when treated by 680 MPa; viruses were inactivated at 700 MPa. Viruses were also inactivated by the pressure less than 700 MPa, but needed prolonged time. The phagocytic function, antibody and T lymphocyte transformation rate in experimental mice (heated, attenuated, and inactive viruses) exhibited a significant difference compared with control mice (P

The aim of this study was to figure out the predictors of early postoperative catheter-related bladder discomfort (CRBD) after urological surgery. We designed a prospective observational study in our hospital. Consecutive adult patients undergoing surgery under general anaesthesia or epidural anaesthesia necessitating urinary catheterization were included during a 3-month period. severity of bladder discomfort was assessed on a 4-point scale: (1) no pain, (2) mild pain (revealed only by interviewing the patient), (3) moderate (a spontaneous complaint by the patient of a burning sensation in the urethra and/or an urge to urinate and/or sensation of urethral foreign body without any emotional agitation) and (4) severe discomfort (agitation, loud complaints and attempt to remove the bladder catheter associated with a burning sensation in the urethra). Predictors of CRBD were identified by univariate and multivariate analysis. Totally, 116 patients were included, of which 84.5% had CRBD (mild CRBD: 40.5%; moderate or severe CRBD: 44.0%) at day 1, while 31.9% developed CRBD (mild CRBD: 29.3%; moderate or severe CRBD: 2.6%) at day 3. We evaluated 9 potential forecast factors of CRBD, and univariate Chi-square test showed male gender [OR=2.4, 95%CI (1.1-5.6), P<0.05], abdominal open surgery compared with transurethral surgery [OR=0.3, 95%CI (0.1-0.6), P<0.05], abdominal surgery compared with laparoscopic surgery [OR=3.3, 95%CI (1.2-8.9), P<0.05] and history of catheterization [OR=0.5, 95%CI (0.2-0.9), P<0.05] were independent predictors of moderate or severe CRBD in the patients after surgery. While multivariate logistic regression analysis showed that the abdominal open surgery [EXP(B)=3.074, 95%CI (1.3-7.4), P<0.05] and the history of catheterization [EXP(B)=2.458, 95%CI (1.1-5.9), P<0.05] might contribute more to the occurrence of moderate or severe CRBD. In conclusion, this observational study identified that the type of surgery and the history of catheterization might be predictive factors of moderate and severe CRBD after urological surgery.

Objective To summarize our experience in management of infected femoral artery pseudoaneurysm caused by addictive drugs injection.Methods Clinical data of 45 cases of infeted femoral artery pseudoaneursysm were reviewed retrospectively.When infected femoral artery pseudoaneurysm was diagnosed,the femoral artery or external iliac artery was ligated and the pseudoaneurysm was resected in all of cases.Anticoagulants and antibiotics were used after operation.Results Lower limbs were salvaged in 44 patients.The ambulation function of affected limb was fine in the short-term.One limb was amputated because of lower limb deep venous thrombosis and gangrene.Thirty-four patients(75.6%) were followed up for 3-12 months,the results were satisfactory.Conclusions Femoral artery or external iliac artery ligation is an effective procedure for management of infected femoral artery pseudoaneurysm.

Objective To investigate the role of vascular endothelial growth factor (VEGF) and transforming growth factor-α (TGF-α) in the angiogenesis of condyloma acuminatum (CA). Methods Tissue specimens were obtained from the lesions of 30 patients with CA and foreskin of 15 normal human controls. Reverse transcription (RT)-PCR and immunohistochemical method were utilized to measure the protein and mRNA expressions of VEGF and TGF-α in the specimens. Microvessel density (MVD) was determined by staining with anti-CD34 polyclonal antibodies. Results A statistical elevation was observed in the expression of VEGF and TGF-α mRNA as well as MVD in CA specimens compared with the normal control specimens (P < 0.001, 0.001, 0.01). The expressions of VEGF and TGF-α protein were observed in 90% and 86.7% of the CA specimens, and in 40% and 26.7% of the control specimens (both P < 0.01). MVD was positively correlated with the expression of VEGF and TGF-α protein in CA tissues (both P < 0.01). Conclusion The overexpression of VEGF and TGF-α in CA tissue may accelerate angiogenesis in, and participate in the development and progression of, CA.

Objective To investigate the effect of necrostatin-1 (Nec-1) on the expression of liver monocyte chemotactic protein-1 (MCP-1) in septic rats and its mechanism. Methods Forty-eight male Sprague-Dawley (SD) rats were randomly divided into sham group, model group, and Nec-1 group by randomized digital number method, with 16 rats in each group. The model of sepsis was reproduced by cecal ligation and puncture (CLP). Rats in sham group received anesthesia, and flipping the cecum followed by closure of the abdomen without ligation of the cecum. Rats in Nec-1 group were given 1 mg/kg Nec-1 [25 mg Nec-1 solution dissolved in 2.5 mL of dimethyl sulfoxide (DMSO)] through caudal vein 30 minutes before operation, while the rats in model group were given 0.1 mL/kg of DMSO only. Blood from abdominal aorta and liver tissue in each group were collected at 0 hour and 8 hours after operation. Serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were determined with automatic biochemistry analyzer. The pathological changes in liver were observed under light microscope using hematoxylin-eosin (HE) staining. The serum levels of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) were determined by enzyme linked immunosorbent assay (ELISA). The MCP-1 mRNA expression in the liver was determined by reverse transcription-polymerase chain reaction (RT-PCR). Results There was no significant differences in the levels of serum ALT, AST, TNF-α, IL-6 and expressions of liver MCP-1 mRNA at 0 hour among three groups, and the liver cellular structure was normal. At 8 hours, compared with sham group, the expressions of serum ALT, AST, TNF-α, IL-6 and liver MCP-1 mRNA were significantly increased in model group and Nec-1 group [ALT (U/L): 172.35±21.88, 129.67±18.20 vs. 60.04±11.74, AST (U/L): 511.03±34.92, 363.51±25.25 vs. 254.83±31.04, TNF-α(ng/L): 603.96±24.18, 483.87±26.60 vs. 265.74±15.14, IL-6 (ng/L): 975.62±65.37, 712.09±45.47 vs. 310.42±13.88, MCP-1 mRNA (2-ΔΔCt): 7.09±0.18, 5.51±0.45 vs. 0.99±0.06, all P < 0.05]. Levels of the above parameters in Nec-1 group at 8 hours were significantly decreased compared with those of model group (all P < 0.05). Under light microscopy, it was noted that the structure of hepatic lobules was destroyed, with exacerbation of immunocyte infiltration at 8 hours in model group. At 8 hours, it was found that Nec-1 alleviated the pathological damage in Nec-1 group. Conclusion Nec-1 can protect the liver of rats with sepsis, lower the expression of serum TNF-α and serum IL-6 and liver MCP-1 mRNA, and obviously reduce the damage of inflammation.

A new risk analysis method based upon reliability theory was introduced in this paper for the quality risk management of Chinese medicine injection manufacturing plants. The risk events including both cause and effect ones were derived in the framework as nodes with a Bayesian network analysis approach. It thus transforms the risk analysis results from failure mode and effect analysis (FMEA) into a Bayesian network platform. With its structure and parameters determined, the network can be used to evaluate the system reliability quantitatively with probabilistic analytical appraoches. Using network analysis tools such as GeNie and AgenaRisk, we are able to find the nodes that are most critical to influence the system reliability. The importance of each node to the system can be quantitatively evaluated by calculating the effect of the node on the overall risk, and minimization plan can be determined accordingly to reduce their influences and improve the system reliability. Using the Shengmai injection manufacturing plant of SZYY Ltd as a user case, we analyzed the quality risk with both static FMEA analysis and dynamic Bayesian Network analysis. The potential risk factors for the quality of Shengmai injection manufacturing were identified with the network analysis platform. Quality assurance actions were further defined to reduce the risk and improve the product quality.
Drugs, Chinese Herbal ; administration & dosage ; chemistry ; standards ; Medicine, Chinese Traditional ; standards ; Quality Control ; Reproducibility of Results ; Risk Assessment

Objective To compare the differences of target-volume(PTV) coverage and organ at risk (OAR) protection between three dimensional conformal radiotherapy (3DCRT) and intensity-modulated radiotherapy(IMRT) for patients with pelvis metastasis of cervical cancer underwent radical hysterectomy and pelvic lymphadenectomy. To explore the optimal treatment methods for pelvis metastasis of cervical cancer.Methods 10 patients with pelvis metastasis of cervical cancer underwent radical hysterectomy and pelvic lymphadenectomy were selected for this study. The images scanned by CT were transferred to treatment planning system to generate 3DCRT and IMRT plans. The impacts of 3DCRT on PTV were compared with those of IMRT. Isodose line and dose volume histograms(DVH) were used to evaluate to the dose-distribution in PTV and OAR. Results For 95 % confidence interval, the margin from CTV to PTV was 1 cm. Conformal indexs (CIs) of PTV for 3, 4, 5 and 6 fields 3DCRT were 0.46, 0.67, 0.68 and 0.68, respectively. When beyond 4 fields, the advantage of adding fields was not significant. CIs of PTV for 5, 7, 9, 11 and 13 fields IMRT were 0.75, 0.83 0.84, 0.85 and 0.85, respectively. When beyond 9 fields, the advantage of adding fields was not significant. The maximum dose of the bowl and spine cord in IMRT plans were lower than that in the 3DCRT plans (P <0.05). Maximum dose of OAR had no significant differences (includingt the bone, recttum and bladder) between IMRT and 3DCRT plans. Conclusion For patients with pelvis metastasis of cervical cancer after radical surgery, 4 fields planning in 3DCRT and 9 fields planning in IMRT are feasible. At high dose levels, the IMRT plans can more significantly protect the bowl and spine cord and decrease the radiation volume of colorectal and urinary bladder at risk than 3DCRT, so IMRT may potentially diminish probability of the normal tissue complications.

Huge amount of data becomes available from the pharmaceutical manufacturing process with wide application of in- dustrial automatic control technology in traditional Chinese medicine (TCM) industry. The industrial big data thus provides golden op- portunities to better understand the manufacturing process and improve the process performance. Therefore it is important to implement data integration and management systems in TCM plants to easily collect, integrate, store, analyze, communicate and visulize the data with high efficiency. It could break the data island and discover useful information and knowledge to improve the manufacturing process performance. The key supporting technologies for TCM manufacturing and industrial big data management were introduced in this paper, with a specific focus on data mining and visualization technologies. Using historic data collected from a manufacturing plant of Shengmai injection of SZYY group, we illustrated the usefulness and discussed future prospects of data mining and visualization technologies.
Cluster Analysis ; Computer Graphics ; Data Mining ; methods ; Manufactured Materials ; Medicine, Chinese Traditional ; methods ; Quality Control

Objective To study of percutaneous laser disc decompression(PLDD)in the patients of lumbar disc herniations.Methods 66 patients were treated with PLDD.The mean age of the 48 male and 18 female patients was 39.3 years old.Results 58 patients of all,or 87.9% showed excellent or good result.15 patients(78.9%)showed excellent and 2 patients(10.5%) were good,2 patients(10.6%) were fair or poor under 30 year old.15 patients(44.1%)showed excellent and 17(50.5%)patients were good,2(5.9%)patients were fair in 31~50 years old.2(15.4%) patients showed excellent and 7(53.8%)patients were good,4(29.8%)patients were fair or poor over 51 years old.Conclusion PLDD is safe and convenient method of treating lumbar disc herniations.