1.Pathogenic Bacterial Distribution and Clinic Antibiotics Usage in Children′s Hospital
Chinese Journal of Nosocomiology 1994;0(04):-
OBJECTIVE To investigate the distribution of pathogenic bacteria and clinic antibiotics usage in children′s hospital and provide basis for reasonable use of antibiotics. METHODS K-B disk agar diffusion method was adopted to detect drug susceptibility in vitro.Chi-square test was used to analyze the data. RESULTS Among all the pathogenic bacteria the proportion of Gram-negative bacteria was 67.1%,the first five predominant species were Escherichia coli,Klebsiella pneumonii,Enterobacter cloacae,Pseudomonas aeruginosa and Acinetobacter calcoaceticus/baumannii,accounted for 21%,16%,6.3%,6.0% and 6.0%,respectively.Piperacillin,cefuroxime and cefotaxime showed resemble curves of time-antimicrobial resistance. CONCLUSIONS Gram-negative bacteria are the main pathogens in children′s hospital.Resistance rates of most bacteria against the second and the third generation cephalosporins have increased markedly.Obvious mutiple-antimicrobial resistance exists among antibiotics with resemble structures and antimicrobial mechanisms.The trend of change in antibiotics′ resistance is parallel with that of the drug′s quantity used.Rotative principles may be applied to the usage of antibiotics.
2.Study on Related Factors Leading to Successful Treatment of Ectopic Pregnancy by Conservative Therapy
Yong ZHANG ; Hongtao DOU ; Chun LU
International Journal of Traditional Chinese Medicine 2009;31(3):244-245
Objective To analyze the rented factors leading to successful treatment of ectopic pregnancy by conservative therapy and to explore importance of this therapy. Methods 152 patients with ectopic pregnancy performed with conservative treatment were randomly recruited into a methotrexate plus Chinese medicine group, a 5-fluorouracil plus Chinese medicine group and a exclusive Chinese medicine group. The curative rate and side effect were observed in groups, and the relation between the treatment condition and the curative rate was analyzed. Results There was no difference in curative rate among groups, while the side effect in the exclusive Chinese medicine group was lower than other groups. It showed high curative rate in patients with two or more conditions of having mass less than 3 cm, the level of bloodβ-hCG less than 1000 IU/L, and the depth of posterior fomix effusion less than 1 cm. Conclusion Among the treatments of ectopic pregnancy, Chinese medicine has fewer side effects. Fully evaluation on the treatment condition can improve the curative rate.
4.THE STRAIN SELECTION OF FLOCCULANT-PRODUCINGMICROORGANISMS USED TO SEPARATE NATURALSODA IN INNER MONGOLIA
Wen-Yu LU ; Tong ZHANG ; Dong-Yan ZHANG ; Chun HAN ;
Microbiology 1992;0(02):-
To solve separating problem of natural soda, fifty-seven strains screened from soil, floul water and activated mud were of flocculating activity. Two strains of bacteria, which were screened from above mentioned strains have higher activity and better steady than the whole culture liquid of bacteria was observed that its flocculating use to natural soda was strong and the mean flocculating rate of two strains were 79.80% and 87.% respectively.
5.Analysis on the long-term effects of modified double endobutton technique in the treatment of Tossy type III acromioclavicular joint dislocations.
Rui-Jian YAN ; Jian-Wei LU ; Chun ZHANG
China Journal of Orthopaedics and Traumatology 2014;27(1):9-12
OBJECTIVETo investigate the long-term clinical effects of modified double Endobutton technique for the treatment of acromioclavicular joint dislocations of Tossy type III.
METHODSA retrospective study was done in 42 patients with acromioclavicular joint dislocations of Tossy type III treated with modified double Endobutton technique from December 2008 to December 2010. There were 24 males and 18 females, ranging in age from 21 to 56 years old (averaged, 32.5 years old). All the patients were treated with open reduction, coracoclavicular ligament reconstruction using double Endobutton technique, and repair of acromioclavicular ligament. The Karlsson system was used to evaluate therapeutic effects. The distance from coracoid to clavicle was measured to evaluate reduction loss.
RESULTSAll the patients were followed up, and the duration ranged from 2.0 to 3.2 years (averaged,2.4 years). According to Karlsson system, 32 patients got an A degree and 10 patients got a B degree at three months post-operatively; 26 patients got an A degree and 16 patients got a B degree at the latest follow-up; 6 patients got an A degree at 3 months after operation lowered to B degree at the latest follow-up. The coracoid-clavicle distance increased from (26.91 +/- 0.91) mm at 3 months after operation to (27.41 +/- 1.10) mm at the latest follow-up. Te patients treated with over-reduction during operation or with heavy physical labour work after operation had obvious widened coracoid-clavicle distance. Bone absorption was found around the plate in most cases, mainly in the clavicular side.
CONCLUSIONTreatment for acromioclavicular joint dislocations of Tossy type III with modified double Endobutton technique has satisfactory early clinical results. But with time passing, loss of reduction and bone absorption around the plate could be observed, and clinical outcomes of some cases downgrade during the long-term follow-up.
Acromioclavicular Joint ; diagnostic imaging ; injuries ; surgery ; Adult ; Female ; Humans ; Joint Dislocations ; diagnostic imaging ; surgery ; Male ; Middle Aged ; Orthopedic Procedures ; methods ; Retrospective Studies ; Time Factors ; Tomography, X-Ray Computed ; Treatment Outcome ; Young Adult
6.Killing effect of IL-12-activated A-NK cells on human hepatocellular carcinoma HepG-2 cells in vitro.
Zhi-Hua WANG ; Dong-Lu ZHAO ; Chun-Yan ZHANG
Chinese Journal of Oncology 2007;29(6):423-424
Animals
;
Carcinoma, Hepatocellular
;
blood supply
;
pathology
;
therapy
;
Cell Line, Tumor
;
Cells, Cultured
;
Cytotoxicity, Immunologic
;
immunology
;
Female
;
Humans
;
Interleukin-12
;
pharmacology
;
Interleukin-2
;
pharmacology
;
Killer Cells, Natural
;
cytology
;
drug effects
;
immunology
;
Liver Neoplasms, Experimental
;
blood supply
;
pathology
;
therapy
;
Lymphocyte Activation
;
drug effects
;
immunology
;
Male
;
Mice
;
Mice, Inbred BALB C
;
Mice, Inbred C57BL
;
Microcirculation
;
drug effects
;
Random Allocation
;
Xenograft Model Antitumor Assays
8.Change of airway anaphylatoxin C5 a in patients with asthma
Jing ZHANG ; Chun CHANG ; Ming LU ; Yahong CHEN ; Wanzhen YAO
Journal of Peking University(Health Sciences) 2015;(1):145-148
Objective:To investigate the role of anaphylatoxin C 5 a in patients with asthma .Methods:A prospective study was performed between September 2006 and February 2007.A total of 33 patients with acute exacerbation of asthma and 13 healthy subjects were recruited into the study .The patients with acute exacerbation of asthma were also studied when they returned to the remission state .Levels of lung function, levels of C5a in induced sputum and cell differential count in induced sputum were determined . Results:The level of C5 a in induced sputum was significantly higher in patients with acute exacerbation of asthma [0.85(0.68-2.13) μg/L] than that in patients with stable asthma [0.45(0.26-0.88)μg/L, Z=-2.193, P=0.013];Sputum C5a levels in stable asthma patients were significantly higher than those in healthy controls [0.14(0.06-0.45) μg/L, Z=-2.141, P=0.015].The level of C5a in patients with severe exacerbation [2.21(1.27 -9.0) μg/L] was significantly higher than those in patients with mild exacerbation [0.34(0.17-0.63) μg/L] and moderate exacerbation [0.85(0.55-1.67) μg/L,χ2 =12.330, P=0.001].The level of C5a in induced sputum was positively correlated with the number of total cells count (r=0.797, P=0.004), neutrophils (r=0.504, P=0.032) and macrophages ( r =0.424, P=0.036 ) in acute exacerbation of asthma .Conclusion: C5a levels in induced sputum could be identified as an important prognostic biomarker , which involved in asthma ’ s pathogenesis .
9.Clinical pathological analysis of 422 primary conjunctival masses
Yang, ZHANG ; Lin-Lin, BAI ; Lu-Chun, YAN
International Eye Science 2017;17(9):1780-1782
AIM:To improve accuracy of the diagnosis of primary conjunctival masses(PCM) through analyze the clinicopathological characteristics and pathogenic causes of 422 cases of PCM.METHODS:Clinical manifestations, histological characteristics and immunopheno types were reviewed.Relevant literatures were reviewed.RESULTS:Benign conjunctival masses were 403 cases (95.5%).Those included masses from squamous cell papilloma (71 cases, 17.6%), conjunctival cyst (68 cases, 16.9%), inflammatory masses (62 cases, 15.4%), pigmented nevus (60 cases, 14.9%), lipoma (58 cases, 14.4%).Malignant conjunctival neoplasms were 19 cases (4.5%).Those included tumors from B Cell Lymphoma (6 cases,31.6%), melanoma (6 cases,31.6%), and squamous cell carcinoma (5 cases, 26.3%).Different types of primary conjunctival masses were induced by the same cause.CONCLUSION:The pathological types of primary conjunctival masses are various and the majority of which is benign.For the diagnosis of primary conjunctival masses, morphological analysis, immunohistochemical examination shoud be combined to increase the diagnostic accuracy and decrease misdiagnosis rate.
10.The correlation between mRNA and protein expression of bax and bcl-xL follo wing fluid percussion brain injury in rats
Chun LUO ; Yicheng LU ; Cheng ZHU ; Jiyao JIANG ; Guangji ZHANG
Academic Journal of Second Military Medical University 2001;22(6):546-550
Objective: To investigate the alterations of bcl-2 gene family in the rat brain and the molecular mechanism of neuronal apoptosis follow ing traumatic brain injury (TBI). Methods: Male Sprague-Dawley rats were subjected to lateral fluid percussion brain injury(FPBI) of moderate severity. bax and bcl-xL mRNA and protein expression was detected by RT-PCR an d immunohistochemistry. In addition to morphological evidence of apoptosis, TUNE L histochemistry was used to identify DNA fragmentation in situ under both l ight and electron microscope, whereas characteristic internucleosomal DN A fragm entation of apoptosis was demonstrated by DNA gel electrophoresis. Resul ts: bcl-xL mRNA and protein decreased in the ipsilateral hemisphere t o the impact site as early as 6 h post-injury[(67.42±7.54)% and (85.85±5.72)% r espectively]. The decrease in bcl-xL mRNA and protein preceded apoptosis was observed 12 h post-injury. And this was the main cause of up-regulation of the ratio of bax to bcl-xL in the acute period(minutes-hours) followin g FPBI. bax mRNA and protein were observed to rise slowly, doubled 3 d post- injury, returned to sham level slowly. The delayed cell death (days-weeks) migh t associated with the up-regulation of pro-apoptotic gene bax. Conclusio n: The expression of bcl-xL and bax coincide with apoptosis following TBI. The reg ulation of bax and bcl-xL by TBI occur before transcription. The balance of bax/bcl-xL ratio determines the neurocytes to survive or die following FPBI.