Objective To investigate changes of coagulation function in patients with high altitude polycythemia (HAPC) .Meth‐ods Activated partial thromboplastin time (APTT) ,prothrombin time (PT) ,thrombin time (TT) and fibrinogen (Fbg) were de‐tected and compared between 69 patients with HAPC and 60 healthy subjects (controls) .Results Fbg ,APTT and TT levels in pa‐tients with HAPC were higher than controls (P<0 .05) ,while the difference of PT was not significant (P>0 .05) .Dynamic obser‐vation indicated that comprehensive therapy could these recover coagulation function .Conclusion Hemorrhage and coagulation process in patients with HAPC could be very complicated ,including physiological adaptation and the process of physiology evolving into pathology .

Objective To investigate the situation and development of international literatures on geriatrics and gerontology in mainland China.Methods The literatures on geriatrics and gerontology written by mainland Chinese scholars as the first author were selected from Thomson Scientific database in 1979-2011 period.Researches on basic theory,summary reports of clinical practice and reviews were collected.The quantity of published articles,article types,international cooperation research and funding programs,hospital rankings,as well as the 2011 geriatrics professional journals,thesis topic disciplines distribution and high-performance papers were analyzed by Thomson Data Analyzer software.Results From 1979 to 2011,the quantity of literatures written by Chinese scholars as the first author (not including Hong Kong,Macao and Taiwan regions) was 1927,including 1769 research articles,86 reviews,18 editorials,54 letters.Average paper was cited 7.6 times and the average number of article citation was 30.6.International cooperation research articles occupied 379 (19.7 ％).Articles with research sponsorship were 734 (38.1 ％),in which most subject discipline was geriatric and gerontology.Conclusions The development of geriatric medicine in China is rapid.The international scientific and technological cooperation is very extensive.It is important to further improve the world impact of geriatric medicine from China.The development of geriatric medicine in a large,cooperative,comprehensive,interdisciplinary,interagency direction,and the prospective,multicenter,cooperative study need to promote.It is extremely urgent to establish the English version of Chinese journals of geriatrics with a international influence.

Objective To analyze the articles published in Chinese Journal of Geriatrics from 2008 to 2012 so as to understand the characteristics of published papers and research progress in geriatric medicine.Methods Based on Wanfang database,bibliometric analysis was conducted to analyze the quantity,types,authors,affiliations,fund support of all the articles published from 2008 to 2012 in Chinese Journal of Geriatrics.Results A total of 1567 papers were published in the journal from 2008 to 2012.The column with the most published papers was clinical research (1008 papers,64.3 ％),followed by experimental researches,reviews and lectures,investigations etc.The discipline with the most articles published in the journal was cardiovascular medicine,followed by surgery,neurology; respiratory etc.1356 authors from 506 affiliations published paper as the first author in the journal during this five years,with the maximal number being 7 papers and the major affiliation being affiliated hospitals of medical colleges (733 papers,49.3 ％).Authors from Beijing,Zhejiang,Jiangsu,Shanghai published more papers than those from other provinces.29.0％ (455papers) of the total papers were supported by fund,among which the majority was provincial fund,followed by national fund,municipal fund,ministry fund and military fund.Conclusions A relatively stable core author group has formed for Chinese Journal of Geriatrics,and the articles are of high quality.Chinese Journal of Geriatrics is one of the highest academic journals in geriatric medicine.

Objective To investigate the characteristics of the author groups in 《Chinese Journal of Geriatrics》,in order to provide references for the future construction and development of the author ranks.Methods Bibliometric method was used to analyze the quantity of papers,region distributions,core authors and cooperative rate in 《Chinese Journal of Geriatrics》 from 2009 to 2013.Results The total amount of papers published in 《Chinese Journal of Geriatrics》》 from 2009 to 2013 was 1636,involving 31 provinces,autonomous regions,municipalities and administrative region.Among these,Beijing,Zhejiang,Tianjin and Jiangsu were the 3 top contributing regions,accounting for 54.0 percent (884/1636 papers).The 1636 papers were contributed by 1435 authors (first authors),of whom 1275 authors published only one paper,accounting for 87.7％ (1275/1435),and their papers accounted for 77.9％ of the total published papers (1275 /1636).27 authors had high yield of 3 or more papers published and deep influence,and they published 95 papers (5.8％).The degree of cooperation was 4.6 (7599 /1636),and the cooperation rate was 93.8％ (1534/1636) within the five years.Conclusions 《Chinese Journal of Geriatrics》is quite influential and attractive in the fields of geriatrics,and a good cooperative relationship is displayed between different authors and authors' institutions.

Chondrodysplasia Punctata ; congenital ; Humans ; Infant, Newborn ; Male

Objective To study the severity of systemic inflammatory response to type B epidemic encephalitis and blood tumor necrosis factor complicated with respiratory failure.Methods Fourteen children with type B epidemic encephalitis were divided into two groups;6 cases in group one with respiratory failure were given mechanical ventilation and the other 8 cases had normal respiration.Breat-hing pattern,respiratory rate,GCS scores,daily dosage of sedatives were observed before endotracheal intubation;while heart rate,temperature,WBC,CRP,TNF were measured.Results Patients in respiratory failure group were given a small dosage of Luminal;there was no significant difference in GCS between two groups treated with compound Wintermin.The heart rate,temperature,WBC,CRP,TNF levels in respiratory failure group were significantly higher than those in normal respiratory group.Conclusions The severity of systemic inflammatory response is more severe in epidemic type B encephalitis with respiratory failure than the controls.Significant increase in blood TNF may be an important factors to cause peripheral respiratory failure.

Objective To improve the informatization of field clinic for quicker and more effective cure of the wounded and the sick.Methods Making the use of the experiences from many years' application of No.1 Military Medical Project,the digital field clinic was set up based on HIS under the circumstances of wireless network.Results The digital field clinic provided convenience for doctors and nurses,optimized the curing procedure,standardized the material management,improved the curing efficiency,and enlarged the curing scope.Conclusion The digital field clinic facilitates the data transmission of medical nursing and assistant diagnosing photos.During the implementing process,the digital field clinic also provides new ways and ideas for the informatization of medical support of other types.

Objective To explore the effects of combining tumor necrosis factor-α (TNF-αt) inhibitor with adenosine A2b receptor antagonist CVT-6883 on asthmatic lung irflammation in mice.Methods A total of 40 female Balb/c mice were evenly randomized into 5 groups,including normal control group,asthma group,CVT-6883 group,CVT-6883 + etanercept group,and etanercept group.The pathological changes in the lungs were determined and the number of white blood cells(WBC) and eosinophil(EOS) in the bronchoalveolar lavage fluid(BALF) was counted by cell count in each group.The levels of TNF-α in BALF were evaluated by enzyme-linked immunosorbent assay (ELISA).The expression of adenosine A2b receptor mRNA in the lung tissues were measured by reverse transcriptionpolymerase chain reaction (RT-PCR).Results 1.The lung tissue in asthma group,dyed by HE,was found to have a large number of airway inflammatory cell infiltration,thickening of the bronchial mucosa,the alveolar septa widened and fracture.In the CVT-6883,CVT-6883 + etanercept and etanercept group,the pathological changes were relieved.2.The WBC and EOS counts in BALF of the asthma group[(413.8 ±5.8)/L,(139.3 ± 1.4)/L] were higher than those of the normal control group [(24.0 ± 1.3)/L,(1.8 ± 0.1)/L,P ＜ 0.05].The WBC and EOS counts of the CVT-6883 group[(111.5 ±3.8)/L,(3.3 ±0.1)/L],the etanercept group + the CVT-6883 group[(173.8 ±3.9)/L,(10.4 ± 0.2)/L],and the etanercept group[(138.4 ± 3.0)/L,(4.1 ± 0.1)/L] were lower than those of the asthma group (P ＜0.05).3.Compared with the control group(100.4 ± 5.7) ng/L,the TNF-α concentration of the asthma group (145.2 ± 8.8) ng/L was significantly higher (P ＜ 0.05) ; the TNF-α concentration of CVT-6883 group (130.9 ± 5.9) ng/L,CVT-6883 + etanercept group(115.7 ± 8.2) ng/L and the etanercept group(122.0 ± 8.7) ng/L,were significantly decreased compared with asthma group (P ＜ 0.05).4.In asthma group (8.9 ± 1.1) compared with the control group(0.6 ± 0.2),the A2bAR (adenosine A2b receptor) mRNA expression was upregulated (P ＜ 0.05) ; CVT-6883 group(1.6 ±0,3),CVT-6883 + etanercept group(2.5 ±0.6) and the etanercept group(5.3 ±0.4),the A2bAR(adenosine A2b receptor) mRNA expression was significantly decreased compared with asthma group (all P ＜0,05).Conclusion Combination of TNF-α inhibitor with adenosine A2b receptor antagonist can reduce asthmatic lung inflammation.

Objective To survey the knowledge requested by patients with coronary artery disease (CAD) after stent implantation.Methods A survey on CAD and stent-related knowledge requested by CAD patients with stent implantation was conducted with a self-designed questionnaire from September 2013 to November 2013.Total 362 patients (235 males and 127 females) aged (67 ± 12) years participated in the survey in Yuetan Community Health Service Center and Fuxing Hospital in Beijing.Open questions and heuristic questions were used together during the survey.Results The knowledge requested by patients were:diet management(255,70.4％),side effects of medication(241,66.6％),management of physical activity (221,61.0％),prevention of CAD(181,50.0％),withdrawal of medication(176,48.6％),the life of stents (168,46.4％),post-operation check-up items (162,44.8％),the causes of CAD (156,43.1％)and drug mechanisms(134,37.0％).Patients with stent implantation less than one year requested more knowledge about the cause of CAD (x2 =37.4,P ＜ 0.001),life-time of stent (x2 =39.9,P ＜0.001),prevention of CAD (x2 =13.4,P =0.001),post-operation check-up items (x2 =21.2,P =0.001) and requested less knowledge about withdrawal of medication (x2 =9.56,P =0.008),diet management (x2 =6.49,P =0.04) than those with more than one year.Patients aged ＜ 70 years requested more knowledge about the cause of CAD (x2 =31.6,P ＜ 0.001),prevention of CAD (x2 =9.99,P =0.007),life-time of stent (x2 =79.1,P ＜ 0.001),side effects of medication (x2 =7.84,P =0.02) than patients aged ＞ 70 years.Patients with education higher than junior high school requested more knowledge about the cause of CAD (x2 =26.6,P ＜ 0.001),prevention of CAD (x2 =14.4,P =0.001) and life-time of stents (x2 =7.82,P =0.02) than those with education lower than junior high school.Patients with education higher than junior college requested more knowledge about the cause of CAD (x2 =26.6,P ＜ 0.001) and post-operation check-up items (x2 =10.7,P =0.005) than those with education lower than junior college.Conclusion Some factors affect the knowledge requested by patients with coronary artery disease (CAD) after stent implantation,which should be considered in health education for CAD patients.