Influenza A(H1N1)virus is a re-mixed strains of human influenza virus genes,avian influenza virus gene and swine influenza virus gene.Influenza A(H1N1)pandemic influenza has spread around the world,which has drawn worldwide attention.In order to early discovery,early diagnosis,early treatment and effective prevention of Influenza A(H1N1),we describe the characteristics of linfluenza A(H1N1)virus,epidemiology,pathogenesis,clinical manifestations,laboratory examination and effective treatment and preventive measures.

With the understanding of the function mechanism of RNAi,it has been widely applied in various fields.RNAi is a powerful tool to study gene functions and provides a new technical method for the specific gene treatment as well.The further development of RNAi technique opens up a new way for tumor gene treatment.

Objective To study the effect of dexmedetomidine combined with ketamine anesthesia on interventional therapy of children with congenital heart disease (CHD). Methods 40 cases of congenital heart disease were treated with catheter intervention from January 2013 to January 2017. The changes of pulmonary arterial pressure and the effect of anesthesia were compared before and after operation. Results 40 cases of children without surgical deaths, 36 cases of successful closure, the success rate of 90% of the operation, the patient after catheter intervention surgery after the results of the test were better than before and after treatment of children with pulmonary artery pressure (P<0.05), and the anesthesia effect was good in children. Conclusion The effect of dexmedetomidine combined with ketamine on the treatment of cardiac catheterization in children with congenital heart disease can achieve good results. The success rate of operation is high and safe, and it is highly reliable.

Objective To compare the effects of the two kinds of crystalloid solutions on glycometabolism in type 2 diabetic patients during the operation for the sclestion of the most suitable crystalloid solution. Methods In the forty scheduled gastrointestinal operation patients,there were twenty (D-group) type 2 diabetic patients and the others (N-group) were non-diabetic patients. Each of the two groups were randomly divided into two groups according to infusing different crystalloid solutions: lactated Ringer’s solution (L group), Plasma Lyte A (A group).So the patients were divided into D-L group,D-A group,N-Lgroup,N-A group.The blood glucose concentration,the blood lactate concentration and artery blood gas analysis before operation (T0) and at the end of operation(T1)were measured . Results The blood glucose concentrations had significant increase at the end of operations,and the blood glucose concentrations of D group were higher than that of N group at T0 and T1.The lactate concentrations before operation were normal in all the patients, but the lactate concentrations were over the normal limits after infusing lactated Ringer’s solution and remained normal after infusing Plasma Lyte A.The lactate concentrations had significant increase in the other three groups except N-A group. Conclusion Plasma Lyte A is the more safe and efficient crystalloid solution for diabetic patients during the operation.

Objective To discuss the efficacy of laparoscopy combined with uterine aspiration for tubal interstitial pregnancy and cornual pregnancy. Methods From January 2004 to January 2007,laparoscopy combined with the preservation of the oviducts was performed on 56 patients with tubal interstitial pregnancy or cornual pregnancy. During the operation,the ectopic pregnancy tissues were removed,and then uterine aspiration was carried out. Results The operation was completed in all of the cases without conversion to open surgery. One of the patients showed persistent ectopic pregnancy,and was cured by muscular injection of MTX injection. In this series,the rate of oviduct patency was 33.9% (19/ 56); 18 moths after the operation,the uterine pregnancy rate was 71.4% (40/56),ectopic pregnancy rate was 16.1%(9/56),and the secondary infertility rate was 1.2% (7/56). Conclusions It is safe and effective to treat tubal interstitial pregnancy or cornual pregnancy with laparoscopic operation combined with uterine aspiration.

Objective To observe efficacy and safety of 2 ways of intravenous anesthesia in endoscopic mucosal resection (EMR) for early esophageal cancer and its precancerous lesion.Methods A total of 140 patients with early esophageal cancer and its precancerous lesion undergoing EMR were enrolled and randomized into 2 groups, with 70 patients in each.Midazolam and propofol were used for group Ⅰ, while midazolam and etomidate were used for group Ⅱ.Vital signs, anesthetic effect, recovery time during the therapy, intra-operative and post-operative adverse reactions were compared.Results Anesthesia with both methods could reach the need for safe EMR.The blood pressure and heart rate of patients in group Ⅰ significantly decreased during the therapy, while no significant difference was found in those of group Ⅱ, but which was significantly different from those of group Ⅰ at some parts of the observation point (P＜0.05).Pulse oxygen saturation of all patients during the procedure was within normal range.No significant difference was found between 2 groups in recovery time.The incidence of muscle tremor or myoclonus in group Ⅱ was significantly higher than that of group Ⅰ, but the incidence of bradycardia and hypotension in group Ⅱ was lower than that of group Ⅰ (P＜0.05).Several patients complained pain, nausea and dizziness after therapy, but there was no significant difference between two groups. Conclusion Anesthesia with propofol and etomidate can both be applied to digestive endoscopy.Etomidate shows advantages in more stable hemodynamics.

Objective To screen the microsatellites with low occurrence rate of stutter band and establish the effective bovine STR typing system.Methods The tetranucleotide STR loci in bovine genome were searched with Tandem Repeat Finder software.Primers were designed and used to amplify these candidate loci and the PCR products were separated with electrophoresis.DNA samples from 100 head of unrelated cattle were typed.Results Among these candidate loci,6 bovine tetranucleotide STR loci showed high polymorphism,and their CDP and CPE value were 0.99995 and 0.859591 respectively.Conclusion The 6 bovine tetranucleotide STR loci can be used for bovine identification and parentage testing.

Objective To evaluate the effect of the opioid switch from morphine to sufentanil on the expression of μ-opioid receptors in the midbrain periaqueductal gray (PAG) of rats.Methods Forty healthy male Wistar rats,aged 8 weeks,weighing 250-290 g,were randomly assigned into 5 groups (n=8 each) using a random number table:control group (group C),7 day sufentanil group (group S),7 day morphine group (group M),14 day morphine group (group MM),and 14 day alternate administration of morphine and sufentanil group (group MS).Normal saline 2 ml/kg,sufentanil 0.01 mg/kg and morphine 10 mg/kg were injected subcutaneously in the cervical region twice a day for 7 consecutive days in C,S and M groups,respectively.In group MM,morphine 10 mg/kg was injected subcutaneously in the cervical region twice a day for 14 consecutive days.In group MS,morphine 10 mg/kg was injected subcutaneously in the cervical region twice a day for 7 consecutive days (1st-7th days),and sufentanil 0.01 mg/kg was then injected subcutaneously in the cervical region twice a day for 7 consecutive days (8th-14th days).The tail flick latency (TFL) to a thermal nociceptive stimulus was measured at 15 and 30 min after the initial administration every day.After the last administration,the rats were sacrificed,and the midbrain PAG was isolated for determination of the expression of the μ-opioid receptor and μ-opioid receptor mRNA using Western blot and real-time reverse transcriptase polymerase chain reaction,respectively.Results Compared with group C,the TFL was significantly prolonged on 1st-6th days after the beginning of administration in M,MM and MS groups,the TFL was significantly prolonged on 1st-7th days after the beginning of administration in group S,and the expression of the μ-opioid receptor and μ-opioid receptor mRNA in the midbrain PAG was significantly down-regulated in M,MM and MS groups (P＜0.05).Compared with group MM,the TFL was significantly prolonged on 8th-14th days after the beginning of administration,and the expression of the μ-opioid receptor and μ-opioid receptor mRNA in the midbrain PAG was significantly up-regulated in group MS (P＜0.05).Conclusion The mechanism by which the opioid switch from morphine to sufentanil reduces morphine tolerance is related to enhanced activity of μ-opioid receptors in the midbrain PAG of rats.

Objective To explore the change of thyroid hormones and leptin at hyperuricemia (HUA)/gout.Methods A total of 96 primary gouts,65 HUAs,and 59 healthy examiners was selected.Height,weight,blood pressure,renal function,serum uric acid(SUA),glucose,lipid profiles,insulin,thyroid hormones were measured after an overnight fast.Results (1) The prevalence of subhypothyriodism at gout and HUA was 7.29％ and 15.38％,respectively.They were higher than that at healthy subjects.(2) Body mass index (BMI),systolic blood pressure (SBP),triglyceride (TG),cholesterol (CHO),thyroid stimulating hormone (TSH),fasting insulin (FINS),homeostasis model assessment of insulin resistance (HOMA-IR),and serum leptin level were increased remarkably at gout/hyperuricemia relative to control group,whereas,free thyroid hormone (FT4) was decreased.(4) In the gout and hyperuricemia groups,TSH was used as the dependent variable for the linear multivariate regression analysis,the results showed that sex,age,BMI,SUA,FT4,HOMA-IR,and Leptin were included in the regression equation of TSH (βwere-0.27,0.832,0.946,0.198,-0.942,0.895,and 0.650,respectively).Conclusions The prevalence of subhypothyroidism in primary gout/hyperuricemia was increased.Female,age,BMI,SUA,FT4,HOMA-IR,and leptin were the independent risk factors.Insulin resistant and leptin played the media roles in the gout/HUA and hypothyroidism.

Objective To observe the effects of liver-discharging and stomach-harmonizing therapy on quality of life in senile patients with reflux esophagitis and to evaluate the therapeutic effect of traditional Chinese medicine (TCM) on chronic diseases. Methods Sixty patients with senile reflux esophagitis selected from in-patients and out-patients of Henan Province Hospital of TCM from March 2012 to October 2013 were randomly divided into experimental group and control group(each,30 patients). The experimental group was treated with Xiaoyao powder (its ingredients could be added or subtracted according to the patient's individual situation)combined with omeprazole and domperidone,while in the control group,only western drugs,omeprazole and domperidone were applied. The therapies in both groups lasting for 8 weeks constituted one therapeutic course. The MOS 36-item short form healthy survey(SF-36)was used to evaluate the degree of improvement of patients,quality of life,and clinical effects and adverse drug reaction were observed. Results The total scores of SF-36,physical and mental health scores of both groups were increased significantly,and the degree of elevation in scores in the experimental group was markedly higher than that in the control group(total scores of SF-36:124.2±11.5 vs. 117.1±10.9,physical health scores:67.9±5.3 vs. 62.9±6.2,mental health scores:56.1±6.7 vs. 55.0±6.6,all P<0.05). The total effective rate of experimental group was much superior to that of control group(96.7%vs. 80.0%,P<0.05). No obvious adverse reactions happened in the two groups. Conclusion Liver-discharging and stomach-harmonizing therapy can improve the quality of life in aged patients with reflux esophagitis.