The characteristics of medical and health literature novel assessment in institutions of armed forces were described from the secrecy of projects for literature novelty assessment , the limitations of consignee institution , and the non-profitability of literature novelty assessment agency .The major problems of medical and health literature novel assessment in institutions of armed forces were elaborated in terms of the literacy, instability, competency and knowledge limitation of literature novel assessment staff with suggestions put forward for their solution such as strengthening the construction of talent team, joint development and sharing of resources.

Objective To compare the effects of vasopressin and adrenaline on cerebral resuscitation in rats. Method Sixty male SD rats were used to set the animal model of cardiac arrest and were randomly (random number) divided into 4 groups (n = 15/group): sham operation group (sham-gro), negative control group (neg-gro), vasopressin group (vas-gro) and adrenaline group (adr-gro). Blood pressure was recorded, and brain tissue samples were obtained. Results There was no significant difference in the recovery rate between vas-gro and adr-gro 30 min after resuscitation (P ＜0.05). The mean blood pressure in vasgro was higher than that in adr-gro within 30 min (1,2, 5, 10, 20, 30 min) after restoration of spontaneous circulation. The measured MDA, SOD and GSH were significantly different (P ＜ 0.05) between each two groups among vas-gro, sham-gro and adr-gro. Conclusions The recovery rate was similar between vasopressin group and adrenaline group during cardiopulmonary resuscitation in rats. However, vasopressin can to maintain the mean arterial pressure at a higher level after resuscitation, which can the increase the cerebral perfusion and reduce brain cell damage.

BACKGROUND: Studies have shown that Maca can enhance immune cel function, improve mitochondrial respiratory chain enzymes, and play a role in anti-oxidation and anti-aging.
OBJECTIVE: To observe Maca effects on kidney mitochondrial respiratory function and anti-aging capabilities in elderly rats after exhausted exercise.
METHODS: 10-month-old elderly rats were intragastrical y administrated Maca powder 5 g/kg, once a day, and did treadmil exercise, 5 days in a week. Rats were randomly divided into control group, Maca group and training group and Maca+training group. At 6 weeks after training, rats in each group did exhausted exercise (35 m/min), and immediately received intraperitoneal injection of 2% sodium pentobarbital. The kidney was obtained, and mitochondria were extracted by differential centrifugation. A spectrophotometer was used to measure mitochondrial respiratory chain activity.
RESULTS AND CONCLUSION: (1) Mitochondrial respiratory chain enzyme and antioxidant enzyme activity: mitochondrial respiratory chain enzyme I-III, superoxide dismutase and glutathione peroxidase activities were higher in the Maca+training group than in the control group, Maca group and training group (P < 0.05 or P < 0.01), but malondialdehyde content was lower (P < 0.05 or P < 0.01). (2) Results suggested that the combination of supplement Maca and incremental exercise can improve mitochondrial respiratory function and delay aging in the kidney of aged rats after exhausted exercise. Moreover, supplemented Maca and incremental exercise have a synergistic effect.

Reviewing the theory of chaos in the field of nonlinear dynamics, this paper summarized theory of chaos and its applications in medical signal processing including electroencephalogram(EEG) signal?electrocardiogram(ECG) signal?electromyogram(EMG) signal, etc. The foreground is reviewed to advance the study and application of nonlinear dynamics theory in biomedical engineering.

Objective To explore the effects of estrogen,sport walking with weight and estrogen plus sport walk on serum lipid,bone metabolism and bone mineral density(BMD) in postmenopausal women.Methods 52 postmenopausal women were divided into the hormone replacement therapy(HRT) group(n=12),sport walking with weight group(Sp group,n=14),HRT + Sp group(n=12) and control group(n=14).HRT group took compound nylestriol,Sp group took sport walking with 5 kg weight and exercise intensity was from 60% to 80% VO2max,HRT+Sp group received two treatments as HRT group and Sp group.The experimental duration consisted of six months.Results The total cholesterol(TC),TC/high density lipoprotein cholesterol(HDL-C),alkaline phosphatase(APL) and urine calcium(Ca)/creatinine(Cr) were markedly lower in three experimental groups than the control group and before experiment(P<0.05 or P<0.01),HDL-C in Sp and HRT+Sp groups were markedly higher than the control group and before experiment(P<0.05),BMD of spine(L2～L4) and left trochanter in three experimental groups were markedly higher than the control group(P<0.01) and before experiment(P<0.0).Conclusion Both estrogen replacement therapy and sport walking with weight effectively improve serum lipid,prevent and reverse osteoporosis induced by menopause in women.

Objective　To study the clinical features of duodenal trauma and its surgery to improve the level of diagnosis and treatment. Methods　Methods of diagnosis and results of surgical treatment were analysed retrospectively of 35 cases of duodenal trauma. Results　The positive rates of abdominal X-ray and abdominal puncture were 32.0%, 13.3% respectively. The extraperitoneal duodenal injuries occured in 30(85.7%) cases. 25(71.4%) cases were complicated by additional intraabdominal organ injuries. The rate of failure to diagnose intraoperatively was 11.4%. The postoperative complication rate was 37.1% and the death rate was 11.4%. Conclusion　Duodenal trauma is characteristic of low diagnostic rate preoperatively, high failure rate intraoperatively and most of the cases are complicated by other intraabdominal organ injuries, so both the complication and mortality are high. If the diagnosis is certain, surgery should been taken suitably. This is the key to improve prognosis. The procedure performed is based on the condition of duodenal injuries.

Cell competition is a phenomenon that the expansion of superior cells at the expense of surrounding inferior cells.It makes sense as a mechanism to maximize tissue fitness and optimize organ function.However,disadjust cell competition may also result in proliferation of abnormal cells.If such a cellular activity in model organisms(such as D.melanogaster)does exist in human,it might help to understand the early events of carcinogenesis and explain some pathological findings.It could be useful for early diagnosis and therapy of cancer.

Objective To investigate the distribution of age and sex and the resistance of penicillin (p) and levofloxacin (LEV) among Streptococcus pneumoniae that were isolated from sputum.Methods The sputum specimens of our hospital from 2011 to 2013 were collected with the requirements of the third edition of National Clinical Laboratory Procedures,and 672 Streptococcus pneumoniae bacteria were isolated.Gram-Positive (GP) identification card was used to identify any doubt bacteria.LEV sensitivity was tested with Kirby-Bauer (KB) assay,and minimum inhibitory concentration (MIC) of P was tested with reagent strips (P-E test).Results A total of 672 Streptococcus pneumoniae bacteria was isolated in sputum.The number of age 0 to 6 years was 267 (39.73％),＞6 to 14 years was 62 (9.23％),＞ 14 to 60 years was 85 (12.65％),and ＞60 years was 258(38.39％) ; and isolating rates of age 0 to 6 years and ＞60 years were higher than other groups with statistically significant difference (P ＜0.01).The isolating rate of male (59.23％) was higher than female (40.77％) with a statistically significant difference (P ＜0.01).The sensitive rate of penicillin (p) to isolated strain was 73.78％ in 2011,71.32％ in 2012,and 53.50％ in 2013,respectively.MIC of isolated strain penicillin was increased year by year; however,LEV treated the isolated strain remain had a high sensitivity in first three years,the sensitivity of Streptococcus pneumoniae had no significant correlation between penicillin and LEV.Conclusions The resistance of penicillin was increased to streptococcus pneumoniae,patients who were infected by streptococcus pneumoniae and were allergic or resistant to penicillin can be considered to use an alternative therapy with LEV.

Pancreatic dissection involved in all types of pancreatic surgery.Several aspects of pancreatic dissection remain unknown or undervalued,although it seems easy to manipulate.In this article,how to improve the surgical techniques of pancreatic dissection and improve the efficacies were introduced,which included the following aspects:surgical instruments selection,selection of sharpening dissection or electrosurgical instrument dissection,management of blood vessels and pancreatic duets in the neck and body of pancreas,search of the opening of the pancreatic ducts,methods for the management of the cutting plane of pancreas,managing methods for pancreas with different textures,and regional dissection of pancreas.