Objective To describe the academic impact of publications from National Institute of Parasitic Diseases （NIPD），Chinese Center for Disease Control and Prevention，so as to give the quantity evidence for scientific research decision making. Methods The SCIE papers of NIPD published from 2011-2015 were searched and statistically analyzed. The number of published papers，citation frequencies，h⁃index，and funding resources were analyzed. The academic impact of the institute was assessed according to these data. Result A total of 361 papers were published by NIPD，and the quantity increased year by year. The majority type is original articles. The total citations were 1 641 times，the average citation per paper was 5.19 and h⁃index was 17. The majority of these papers were published in foreign professional periodicals，whose impact factors were between 1.194 and 6.751. The major resources of NIPD were from China，and NIPD also had good collaborations with institutions in US and Switzerland. In China and Asia，NIPD led the research in the field of parasitology and tropical medicine. Conclusion The quantity and quality of annual published papers of NIPD are on the rise. However，NIPD lagged behind the leading institutions in the world.

OBJECTIVE To know the incidence, etiology, risk factors of hospital-acquired pneumonia(HAP). METHODS From Jan 2003 to Dec 2004, 129 cases of HAP were retrospectively studied. Epidemiologic data, etiology , and evolution of pneumonia were recorded. RESULTS The 115 patients with HAP had one or more intrinsic risk factors, mainly malnutrition (albumin values

The paper briefly introduces the definition, characteristics of MOOC and its development both in China and abroad, ana-lyzes the relation between medical college and university library and MOOC.It points out that libraries should provide embedded course services based on MOOC, establish MOOC Information Commons ( IC) , develop MOOC specialized database and enhance capability of the librarians in order to develop MOOC from various aspects and continuously promote information service innovation.

Objective:For improving the imperfection of the Active contour model.Methods:This paper puts forward a new active contour model based on the greedy algorithm.The average contour length term is added into the internal energy of the model.The gradient directional energy is introduced to the external energy of the model.A fast algorithm is introduced to solve the minimum of region energy.The algorithm of add or delete snaxel also adopted in this paper.Segmentation of the MRI brain tumor are studied in the experiments.Results:Comparing to the manual segmentation and the GVF segmentation,the method is better.Conclusion:The results of experiments indicate that the model is none sensitive to initial contour.So this algorithm is practical.

Background Multifocal intraocular lens (IOL) can produce two focus distance based on the principle of diffraction-refraction,and the full range of vision is better than monofocal IOL.So multifocal IOL can provide cataract patients better far,middle and near distant vision.Objective This study was to investigate and compare the clinical efficacy between multifocal IOL and monofocal IOL implantation in the patients after cataract surgery.Methods One hundred eyes of 100 patients with cataract enrolled in Gaomi People's Hospital from June 2010 to September 2012 and were divided into the monofocal IOL group and multifocal IOL group,with the matched demographic and medical baseline characteristics between the two groups.All the patients were aware of the trial and a written informed consent was obtained from each patient prior to the surgery.Multifocal IOL (Acrysof ReSTOR SA60D3) was implanted in the multifocal IOL group,and monofocal IOL was implanted in the monofocal IOL group after phacoemulsification.Uncorrected distant visual acuity (UCDVA),best corrected distant visual acuity (BCDVA),uncorrected near visual acuity (UCNVA),best corrected near visual acuity (BCNVA),uncorrected middle distance visual acuity (UCMVA) and distant-corrected near visual acuity (DCNVA) between the two groups were observed and compared,and near stereo acuity,IOL higher-order aberrations under the pupillary diameters of 3 mm and 5 mm,optimum reading distance and reading speed were compared 3 months after surgery.The satisfaction rates of patients for each visual function district were analyzed by a questionnaire survey.Results UCNVA and DCNVA in the multifocal IOL group were significantly better than those of the monofocal IOL group 3 months after surgery,and the differences were statistically significant (t=15.48,22.44,both at P＜0.05).UCMVA at the distance of 25,30,40,50,60 cm in the multifocal IOL group were better than ones of the single IOL group (t=12.60,16.75,23.18,14.04,7.60,all at P＜0.05).Uncorrected near stereo acuity in the multifocal IOL group was (49.1 ±15.2),showing a significant reduction in comparison with (85.3 ± 18.6) of the multifocal IOL group (t=10.66,P＜0.05).The total higher-order aberrations,spherical aberration and coma under the pupil diameter of 3 mm and 5 mm were not significantly different between the two groups (all at P＞0.05).The optimal reading distance in the multifocal IOL group was (33.5 ± 4.1) cm,and was significantly shorter than (46.3 ± 5.2) cm of the monofocal IOL (t=13.67,P＜0.05).The reading speed in the multifocal IOL group was (172.5 ± 52.3) words/minute,and that in the monofocal IOL group was (108.3 ± 31.4) words/minute,with the significant difference between them (t =7.44,P＜0.05).The patients who were satisfied with the functional areas of near vision and middle-distance vision were more in the multifocal IOL group than those of the monofocal IOL group (x2=56.59,40.85,both at P＜0.05),but those in the distance vision zone between the two groups was no significant different (x2=3.09,P＞0.05).Conclusions Comparison with the monofocal IOL,multifocal IOL implantation for the treatment of cataract can obtain clear imaging both at the far-distance and middle-and near-distance.Multifocal IOL implantation can improve the life quality of cataract patients after operation.

[Objective] To discuss the effect of point application therapy and massage combined with little dosage of midazolam in the sedation for polydactylism replantation. [Method] Select 82 patients, randomly divide them into control and observation groups, n=41 for each. The control group only took midazolam for sedation;the other one, point application therapy and massage combined with little dosage of midazolam; observe both sedation effect, side effects and comfort degree. [Result] By comparing both groups, the observation group was better than control one on sedation effect, side effect rate and comfort degree. [Conclusion] Taking point application therapy and massage combined with little dosage of midazolam had good sedation and high comfort degree, with little side effects, fit for sedation in polydactylism replantation under continual brachial plexus anesthesia.

Objective To observe the correlation between postmenopausal estrogen levels and diabetic retinopathy (DR) in women.Methods Thirty-nine menopause female patients with type 2 diabetes mellitus and 17 menopause subjects (control group) were enrolled in this study.Control subjects aged from 53 to 82 years,with the mean age of (69.80± 8.32) years.Diabetes mellitus patients aged from 56 to 84 years,with the mean age of (70.50±8.27) years;diabetes duration ranged from 3 to 23 years,with the average course of diabetes (11.40± 7.97) years.DR diagnosis was according to the results of fundus fluorescein angiography,and thus the 39 patients were divided into DR group (19 patients) and non-DR (NDR) group (20 patients).There was no significant difference in age and menopause duration between the three groups (t=0.347,0.485;P＞0.05).There was significant difference in diabetes course (t=2.748,P＜0.05).Compared with NDR group,fasting blood glucose (FBG),glycosylated hemoglobin (HbAlc),total cholesterol (TC),triglyceride (TG),low density lipoprotein cholesterol (LDL-C) were significantly increased (t=6.130,5.322,4.574,2.426,4.033),high density lipoprotein cholesterol (HDL-C) was significantly lower (t=3.917),the difference was statistically significant (P＜0.05).The level of estradiol (E2) was measured by radioimmunoassay.The differences of E2 levels between the three groups were compared.Logistic regression analysis was used to analyze the influencing factors of DR.Results The levels of E2 in control group,DR group and NDR group were (42.38 ±8.64),(21.49 ± 9.81) and (32.72 ± 10.51) pg/ml,respectively.The level of E2 in DR group was significantly lower than that in NDR group and control group (t=3.443,10.110;P＜0.05).Logistic regression analysis showed that the duration of diabetes mellitus [coefficients =0.166,odds ratio (OR)=1.181,P=0.016],FBG (coefficients=1.162,OR=4.014,P=0.001),TC (coefficients=3.212,OR=10.820,P=0.002),TG (coefficients=1.649,OR=5.203,P=0.030) and LDL-C(coefficients=1.605,OR=4.976,P=0.003) were the risk factors for DR;E2 (coefficients=-0.100,OR=0.904,P=0.004) and HDL-C (coefficients=-4.460,OR=0.012,P=0.002) were the protective factors for DR.Conclusion The estrogen level of postmenopausal women have a certain correlation with the development of DR,it may be one of the protective factor of DR.

Humans ; Neoplasms ; genetics ; immunology ; therapy ; RNA Interference ; RNA, Small Interfering ; RNA-Induced Silencing Complex

Objective To explore the relationship between the protein expression of PCNA and biological behavior science in benignant pituita ry adenoma.Methods The protein expression of PCNA in 58 patien ts with pituitary adenoma were determined by ABC immunohistochemical method.Results The PCNA index was significantly higher in the patients with recurrent pituitary adenomas than in nonrecurrent ones(P<0.05).There was no significantly difference between bleeding and unbleeding group,cystic and noncystic group,large type and unlarge type group(P>0.05 respectively) .Conclusion The protein expressions of PCNA reflected the proli ferative activties of pituitary adenomas, and could be taken as one of the indic ators to evaluate recurrence and prognosis of the tumor.

ObjectiveTo sum up the diagnosis and differential diagnosis of concealed penis,analyze the indications and advantages of different operative methods for concealed penis.Methods62 children with concealed penis were treated by different surgical operations according to the different types,and the effect of surgical treatment was arelyzed.ResultsOpertaions were successed in all 62 cases,children were discharged after 5 ～ 10 operation days.After follow-up for 3 months to 2 years,62 children had received good recovered with an effective exposure of penis and no severe edema and other complications.ConclusionChildren with concealed penis should be given personalized scheme,choose the best method to extend the length of the penis and improve the penis appearance.