ObjectiveTo explore the diagnosis,treatment and prognosis situation of traumatic retroperitoneal hematoma(TRH). Methods The full clinical data of 75 patients with TRH were retrospectively analyzed. Results5 cases of 62 surgical patients died,accounted for surgery patients more than 8.1%.57 cases all cured.Including one for knife led to the rupture of the spleen vessel,abdominal aortic injury,surgery died in hemorrhagic shock,the cumulative loss amounted to 5 000ml;1 case with severe traumatic brain injury,died of a cerebral herniation.The other 3 cases died of cancer and multiple organ failure.13 cases of conservative treatment of all discharged.70 cases were cured,the cured rate was 93.3%. ConclusionMultiple trauma should pay special attention the existence of TRH.When conditions allowed,CT examination should be taken to clear the presence of retroperitoneal hematoma and the presence of abdominal organ injuries,and accurate knowledge of the principles of TRH treatment,strictly control surgical indications and retroperitoneal hematoma detection indication should be grasped to save lives and reduce mortality.

Objective To investigate the relationship of obstructive sleep apnea and atherosclerotic cerebral artery stenosis.Methods One hundred and twenty patients with acute cerebral infarction were enrolled in the study.Patients underwent polysomnography monitoring;according to the results, the sleep apnea/hypopnea index ( AHI) was ≥5/h in 60 patients ( OSA group) and AHI was <5/h in another 60 patients ( non-OSA group) .The degree, quantity and distribution of cerebral artery stenosis were compared between OSA and non-OSA group.Results The results showed that there were no significant differences in gender, age, NIHSS score and rates of diabetes, coronary heart disease, hyperlipidemia and smoking between two groups (P>0.05).The rates of increased BMI [(26.07 ±2.39)vs.(23.59 ±2.73) kg/m2] and hypertension [70%(42/60)vs.43%(26/60)] in OSA group were higher than those in non-OSA group (t=5.304,χ2 =7.603, all P<0.05).There were 47 (78.3%) patients in OSA group and 27 (45.0%) in non-OSA group presenting cerebral artery stenosis (χ2 =16.535, P<0.05), and both OSA group and non-OSA group displayed high proportion of intracranial artery stenosis ( 68.0% vs.81.5%, P>0.05 ) . The severity of cerebral artery stenosis in OSA group was higher than that in non-OSA group (χ2 =17.801, P<0.05).There were no significant differences in location distribution of stenosed cerebral arteries between two groups (P>0.05).Conclusion The study indicates that there is a close relationship between OSA and stenosis of atherosclerotic cerebral arteries.

Objective To observe the effect of Chinese medicine to wash, acupressure and Avene cream to moistur-ize for infantile eczema.Methods 100 babies who were diagnosed infantile eczema were chosen and separated to interven-tion group and control group randomly.The control group was treated by Chinese medicine to wash, acupressure and cream to moisturize, and the intervention group was treated by hormone medicine and Avene cream to moisturize.Observe the treat-ment effect after 7 days, 14days and 1 week after cured.Results The severity,effective rate and cure rate of two groups after 7days haven′t the statistical difference(p>0.05), and the severity of intervention group after 14days was lower than that of control group (p<0.05),the effective rate of intervention group after 14days was higher than and that of control group (p<0.05), and the recurrence rate of intervention group was lower than that of control group (p<0.05).Conclusion Combi-ning traditional Chinese and western medicine treatment can promote the treatment effect of infantile eczema , and reduce the recurrence, should be generalization.

Objective To establish a method to quantify the residual cross-linker vinyl sulfone and its hydration product 1 ,4-Thioxane-1 ,1-Dioxide.Methods The polysaccharide was precipitated by ethanol,however vinyl sulfone and its hydration product were soluble,and can be analyzed by direct injection.The analysis was carried on Agilent DB-wax capillary column (30m ×0.53 mm,1.0 μm).The flame ionization detector (FID)and flame photometric detector (FPD)were used to detect samples and the efficiency were compared. Results The linear range of vinyl sulfone and its hydration product were separately 0.5 ~20μg/mL and 2~100μg/mL detected by FID.The Limit of Quantity (LOQ)were 0.8μg/mL and 2.3μg/mL, respctively.The Limit of Detection (LOD)were 2.6μg/mLand 7.6μg/mL,respectively,and the average recoveries (n=9)of them were 104.3%and 92.4%,respectively.Conclusion FID could meet the needs of the test,and this method is simple and accurate with high sensitivity and good repeatability,which can be used for quality control of trace vinyl sulfone and its hydration products 1 ,4-Thioxane-1 ,1-Dioxide in cross-linked sodium hyaluronate injection.

OBJECTIVE:To observe therapeutic efficacy and safety of Shensong yangxin capsule combined with low-dose ami-odarone in the treatment of ventricular tachyarrhythmia. METHODS:In retrospective analysis,106 patients with ventricular tachyar-rhythmia were divided into control group and observation with 53 cases in each group according to drug use. Based on conventional treatment,control group was additionally given Amiodarone tablet (first week:0.2 g each time,3 times a day;second week:0.2 g each time,2 times a day;third week to the end of the treatment:0.2 g each time,1 times a day),orally. Observation group was given Amiodarone tablet (first week:0.2 g each time,twice a day;second week to the end of the treatment:0.2 g each time,1 times daily),orally +Shensong yangxin capsule 1.6 g,3 times a day,orally. Both groups were treated for 8 weeks. Clinical effica-cy,blood pressure,heart rate and electrocardiogram(PR period and QT period)and the cardiac cardioversion time were compared between 2 groups,and the occurrence of ADR was also recorded during treatment. RESULTS:After treatment,total response rate of observation group(94.34%)was higher than that of control group(81.13%),the incidence of ADR was lower than that of con-trol group (3.77% vs. 13.21%) and the cardiac cardioversion time was shorter than that of control group,with statistical signifi-cance(P<0.05). Before treatment,there was no statistical significance in heart rate between 2 groups;after treatment,heart rate of 2 groups were significantly lower than before,and observation group was significantly lower than control group,with statistical significance(P<0.05). There were no statistical significance in blood pressure、PR period and QT period between 2 groups before and after treatment (P>0.05). CONCLUSIONS:Based on conventional treatment, Shensong yangxin capsule combined with low-dose amiodarone have good therapeutic efficacy with rapid response for ventricular arrhythmia,it can significantly improve the heart rate of the patients,and the effect is faster with good safety .

Objective To investigate the correlation between liver-type fatty acid binding protein (L-FABP) and nonalcoholic fatty liver disease (NAFLD) extent and other clinical parameters.Methods Ninety-six patients of NAFLD (NAFLD group) and 100 cases of healthy controls (control group) were selected.The levels of serum L-FABP and blood biochemical parameters were measured by enzyme-linked immunosorbent assay.The lesion degree was assessed by ultrasound.The body mass index (BMI),waist to hip ratio (WHR) and homeostasis model assessment insulin resistance index (HOMA-IR) were calculated.Results The WHR,BMI,fasting plasma glucose (FBG),triglycerides (TG),alanine aminotransferase (ALT),HOMA-IR and L-FABP in NAFLD group were higher than those in control group,there were statistical differences (P ＜ 0.05).The result of correlation analysis showed L-FABP level was positively related with ALT,TG,FBG,WHR,BMI,HOMA-IR (r =0.735,0.728,0.681,0.713,0.699,0.673 ;P ＜0.05),and negative correlation with HDL-C (r =-0.607,P ＜ 0.05).The L-FABP level in control group was (15.42 ± 2.51) g/L,mild NAFLD was (15.96 ± 2.92) g/L,moderate NAFLD was (17.48 ± 3.91) g/L,serious NAFLD was (25.14 ± 5.37) g/L.There was statistical difference in L-FABP level between serious NAFLD and control group,mild NAFLD,moderate NAFLD (P ＜ 0.05).Conclusion Serum L-FABP level of serious NAFLD patient significantly increases,and L-FABP level is related with biochemical parameters of liver function.

Objective To study the family environment and the behavior of children with emotional disorder(ED ).Methods Thirty children with ED and 30 healthy children were assessed with family environment scale-Chinese version(FES-CV),and Achenbach CBCL.Results The scores on the items of intimateness,emotion,independence,and entertainment among Children with ED had by FES-CV were lower,but the scores on conflicts and control higher than the health controls(P<0?05).The total scores on social abilities as well as the dimensions were all lower than the healthy controls(P<0?01).The total scores on behaviors as well as the dimensions were higher than the controls(P<0?05).Conclusions Children with ED have more behavior problems,which are associated with their poorer family environment.Therefore,the family members should help and support each other to create a healthy environment for children growth.

Objective To understand the drug resistance and antibiotic resistance mechanism ofβ-lactam antibiotics of invasive Streptococcus pneumoniae isolated from Shanghai Children′s Hospital, provides the reference for the rational use of antimicrobial agents.Methods This study is based on the research of the mechanism of drug resistance.62 isolates of invasive Streptococcus pneumoniae were collected from Shanghai Children′s Hospital from January 2005 to December 2011.Minimum inhibitory concentrations ( MIC) of strains to 9 antimicrobial agents were determined by E-test method.The penicillin binding protein coding genes pbp2x, pbp2b, and pbp1a of Streptococcus pneumoniae were amplified by PCR.Then, the correlation between the gene mutation andβ-lactam antibiotics resistant level were analyzed.The murM gene of Streptococcus pneumoniae was amplified by PCR and the correlation of mutation and β-lactam antibiotics resistant level was analyzed.Results Out of 62 strains of invasive Streptococcus pneumoniae from children, the detection rate of penicillin resistant Streptococcus pneumoniae was 43.6% (27/62).Between penicillin intermediate Streptococcus pneumoniae ( PISP ) ( 100%, 25/25 ) and penicillin sensitive Streptococcus pneumoniae (PSSP) (3/10), the difference of gene mutation rate near the pbp2b conserved sequence was statistically significant (χ2 =21.875, P<0.01).The same situation occurred between penicillin resistant Streptococcus pneumoniae (PRSP)(100%, 27/27)and PSSP (3/10) (χ2 =23.310, P<0.01).Also the difference of gene mutation rate of PISP (84%, 21/25) vs PSSP (0) and PSSP (0) vs PRSP (85.2%, 23/27) near or in the pbp2x conserved sequence were statistically significant (χ2 =21.000, P <0.01;χ2 =22.513,P<0.01).The difference of gene mutation rate near the pbp1a conserved sequence and Insertion sequence, which were statistically significant, occurred between PISP and PSSP (χ2 =13.22,P<0.01), between PRSP and PSSP (χ2 =37.000,P<0.01), between PISP and PRSP (χ2 =10.211,P=0.001). MurM gene mutation rate was statistically significant different between the 2 group penicillin MIC≥8 mg/L or ceftriaxone MIC≥2 mg/L group (95.8%, 23/24) and penicillin MIC<8 mg/L or ceftriaxone MIC<2 mg/L group (0) (χ2 =56.2,P =0.002 6).Conclusions The resistance phenomenon of invasive Streptococcus pneumoniae in Shanghai Children′s Hospital is serious.The gene mutations of pbps and murM play a role in amide in the beta of antibiotic resistance, and there is a certain correlation with the antibiotic resistance level.

Objective To investigate the influencing factors and improve potency methods of chymosin, to verify the stability and applicability of the national standard of chymosin.Methods The effects of different formula milk powder substrate and enzyme concentration on the determination of the activity of chymosin were studied.3 ×3 dose-response parallel line method was established.The results were compared with the different methods of absolute and relative methods.Results The different formula milk powder had a significant effect on the determination of the absolute potency of the activity of chymosin.The concentration of the enzyme was a power function relationship with the milk clotting time.Compared with the absolute potency, reproducibility of the relative potency of the results was better in different laboratories.The suitable doses in 3 ×3 dose-response parallel line method were 0.35,0.44,0.55U/mL.The confidence limit rate was less than 5%.The potency of the national standard of chymosin (140712-201302) was not significantly different between 2013 and 2015.In a certain dose range, the dose-response of the national standard of chimosin and gastropylor complex or lamb'tripe extract was linear, and the two lines were parallel.Conclusion A lot of factors can affect on the potency of chymosin.Relative potency is determinate by reference standard which can eliminate the influence of different substrates, different operators and endpoint judgment on the determination in order to make results have comparability between laboratories.The test design of 3 ×3 dose-response parallel line can control the test deviation better than the single point determination.The stability of the national standard of chymosin(140712-201302) is good, and is suitable for the potency of chymosin of the products of gastropylor complex and the extract of the lamb.

Objective To establish the chromogenic substrate method to determine the activity of cytochrome C.Methods Used TMB as the chromogenic substrate, reacted at 37 ℃ for 15 min, generated the yellow products, and detected the absorbance at 450 nm.The experimental design method is the 4 ×4 parallel line quantitative analysis.ResuIts The activities of cytochrome C injection samples have been determined.The linear regression equation was Y=0.9875 X -1.0221,R2 =0.9996.The accuracy and repeatability were 1.1 % and 3.6 %.ConcIusion The chromogenic substrate method was simple operation, sensitive and can be used to determine the activity of cytochrome C.