Objective To investigate the effect of MR imaging in rats with series coil. Methods MR scanning was performed on the self-made aqueous solution phantom with the series coil and other three coils respectively, using the same FRFSE- XL pulse sequence. SNR of the same image was obtained in the same position slice for all four coils. Twelve SD rats were divided into three model groups and one normal group. FRFSE-XL FSPGR and Probe-SI pulse sequence were respectively used to show the brain injury,1H-MRS, spinal cord injury (SCI) and abdomen with series coils. Results The SNR of series coil (39. 7)was over six times higher than the SNR of knee joint coil (6. 41 ), which was the best in other three coils.Grey matter and white matte; the brain structure and hematomas were clearly depicted in the rats'brain on T1WI and T2WI. From the second week after injection of 6-OHDA into the rats brain, the ratio of NAA/Cr decreased (before injection 1.24 ,two weeks after injection 0. 781 ). The spinal cord and the configuration of the white matter were clearly showed on T2WI image, and the location and degree of SCI in the rat thoracic spinal cord were also well defined on T2 WI image. The pulse sequence of FSPGR T1 WI was used for rat abdomen scanning. The scan time was only eight seconds. It is helpful to overcome the breathing movement effect and show the structure of rat abdomen. Conclusion It provided a good means for the rat MR in vivo to make use of 3.0T MR combined with series coils.

Objective To investigate the prognostic factors regarding overall survival in locally advanced stage of esophageal squamous cell carcinoma (ESCC) patients after receiving concurrent chemoradiotherapy (CRT).Methods Each of 80 patients with locally advanced ESCC was treated by doxtel 135-175 mg/m2 d1 and cisplatin 40 mg/m2 d2,3 combined with radiotherapy 60 Gy.ECOG (0-1),tumor locations,tumor sizes,TNM classifications as well as the levels of CA199,SCC-Ag were detected before concurrent treatments and 4 weeks after treatment.The relationship wasanalyzed between the prognosis of disease and CA199,SCC-Ag levels.Each index was studied by Cox statistical regression analysis and P value was determined.Results All patients had completed 4 cycles' treatments successfully.The major adverse effects included neutrophilic granuloaytopenia,calvities,nausea,emesis and diarrhea.The severe effect was Ⅲ degree neutrophilic granuloaytopenia for 2 cases (2.5 ％),all the side-affect had recovered after symptomatic treatments.The median survival time were 50 months and 72.5 months in the patients who were greater than 60 year-old and less than or equal to 60 year-old,respectively (P =0.004).Regarding to 5-year overall survival,the figures were 73.3 ％,69.4 ％,41.7 ％ and 0 in the patients with cT1-2N1M0,cT3N1M0,cT4NoM0 and cT4N1M0 classification,respectively (P =0.024),they were 42.9 ％,70.0 ％,and 60.9 ％ in the patients with upper thoracic esophagus,middle thoracic esophagus,and lower thoracic esophagus,respectively (P =0.971),they were 100 ％ in the patients with ECOG 0 and 54.1％ in the patients with ECOG 1 (P =0.044),they were 86.7 ％ in the patients with CA199≤37 kU/L,and 52.0 ％ in the patients with CA199 more than 37 kU/L (P =0.008),they were 95.5 ％ in the patients with SCC-Ag≤ 1.9 μg/L,and 53.4 ％ with ＞1.9 μg/L (P =0.012).Conclusion For ESCC patients treated with CRT,the age,TNM stage,ECOG,CA199 and SCC-Ag levels are independent forecasting factors regarding their overall survival.

Objective To study the clinical efficay of the therapy adefovir dipivoxil combined with reduced glutathione in the treatment of decompensated hepatitis B cirrhosis .Methods 76 cases of decompensated hepatitis B cirrhosis were divided into the treatment group and the control group ,38 cases in each group .Both groups take symptomatic and supportive treatment ,the obser-vation group plus adefovir dipivoxil combined with glutathione therapy .After 3 months treatment ,we observed liver function ,hepa-titis B virus DNA quantification and assessed the clinical efficacy .Results After treatment ,the treatment group liver function im-proved was significantly better than the control group (P<0 .05) ,the total effective rate was higher than the control group (P<0 .05) ,the rate of hepatitis B virus DNA turn to negative was significantly higher than the control group (P<0 .01) .Conclusion Adefovir dipivoxil combined with reduced glutathione therapy for decompensated hepatitis B cirrhosis can effectively improve liver function ,suppress hepatitis B virus DNA undetectable ,reduce the incidence of the complication ,and worthy of promote in our clini-cal practice .

Objective To study interleukin-1 receptor(IL-1R) and connexin(Cx36) gene expression following Mg 2+-free-induced seizures in cultured developing neuron. Methods Rat embryo cortical neurons cultured for 6 and 17 days were exposed to Mg 2+-free media to induce seizure. At different time after Mg 2+-free treatment, real-time RT-PCR was used to detect IL-1R and Cx36 mRNA expression. Results 1. IL-1R mRNA expression transiently decreased after Mg 2+-free treatment in neurons cultured for 6 and 17 days in vitro. Then the levels of IL-1R mRNA expression recovered in neurons cultured for 6 days, but IL-1R mRNA expression were increased in neurons cultured for 17 days compared with control group and the peak was at 24 hours. 2. In neurons cultured for 6 days in vitro, Cx36 mRNA expression increased after Mg 2+-free treatment compared with control group, the peak was at 24 hours. But in neurons cultured for 17 days in vitro, Cx36 mRNA expression decreased at 6 hours after Mg 2+-free treatment compared with control group, the peak was at 24 hours. Conclusions IL-1R mRNA and Cx36 mRNA expression following Mg 2+-free-induced seizures are different between the neurons cultured for 6 and 17 days in vitro. This is possibly related to the different neuron injury between 6 and 17 days in vitro following seizures.

Adult ; Carcinoma, Endometrioid ; diagnosis ; pathology ; Cervix Uteri ; pathology ; Diagnosis, Differential ; Endometrial Neoplasms ; diagnosis ; pathology ; Endometrial Stromal Tumors ; diagnosis ; pathology ; Female ; Humans ; Middle Aged

Objective To assess the efficacy of alginate dressing in fat liquefaction of abdominal incision. Methods 76 patients with fat liquefaction of abdominal incision in our hospital were divided into the experimental group (42 patients) and the control group(34 cases). Both groups were given preventive antibiotics. The penetration, times of dressing change, interval of dressing change, healing cost, wound infection, period Ⅱ wound healing, time for the medicine to start working, time of healing were observed in the two groups. All results underwent t test and χ2 test. Results No distinct difference of healing cost between the two groups was observed. The experimental group treated with alginate dressing was better than the control group in other clinical indexes after treatment. Conclusions Application of alginate dressing is beneficial to management of fat liquefaction of abdominal incision and reduce time of healing and hospital stay.

OBJECTIVETo study the molecular characteristics and antibiotic resistances of Vibrio cholerae (V. cholerae) O1 isolates in Hangzhou in 2009.

METHODSThe virulence genes ctxA and tcpA of the thirty V. cholerae O1 isolates from 7 counties and districts of Hangzhou were detected by PCR. Pulsed-field gel electrophoresis (PFGE) was performed for molecular typing and similarity analysis. Antibiotic resistances of these isolates were measured by the Kirby-Bauer method.

RESULTSVirulence gene analysis showed that 80.00% (24/30) of the genotype in V. cholerae isolates was ctxA- and tcpA+, 13.33% (4/30) was ctxA- and tcpA-, and 6.67% (2/30) was ctxA+ and tcpA+. Twenty-seven isolates tested were typed into 11 PFGE patterns (P1-P11). Twenty-three isolates with genotype ctxA- and tcpA+ were clustered into 7 PFGE patterns (P1-P7, termed P1-like cluster) with the similarity to be equal or greater than 91.4%, and 56.52%(13/23) of them belong to P1. 7 isolates with very high similarity (97.6%), belonging to P1 (6 isolates), and P2 (1 isolate), respectively, were collected from one foodborne disease outbreak. The resistant rates of the 24 isolates with genotype ctxA- and tcpA+ to ampicillin, tobramycin and amikacin were 20.83% (5/24), 4.17% (1/24) and 4.17% (1/24), respectively.

CONCLUSIONThe genotype of the epidemic strains of V. cholerae O1 isolates in Hangzhou in 2009 with high similarity was ctxA- and tcpA+; The level of drug resistances of this kind of V. cholerae O1 isolates were not high.

China ; Cholera Toxin ; genetics ; Drug Resistance, Bacterial ; genetics ; Electrophoresis, Gel, Pulsed-Field ; Genes, Bacterial ; Genotype ; Humans ; Molecular Typing ; Vibrio cholerae O1 ; drug effects ; genetics ; isolation & purification

Objective To standardize the procedure and ensure the safety of oral administration,and to achieve the "three-accurate",that is right medicine,right time,and right patients． Methods The concept of "Health Care Failure Mode and Effect analysis" was used to analyze the procedure of in-patients' oral administration,and adjust the system according to insecurity factors to improve the hospital oral administration system constantly． Results The systematic reconstruction of the oral administration improved nurses' and patients' satisfaction,reduced the error rate of in-patients' oral administration and improved the safety of oral administration． Conclusion The application of"Health Care Failure Mode and Effect analysis" to forward-looking analysis in-patient oral administration system,combined with the actual situation of our hospital to develop and implement plans are the guarantees of oral administration security.

Objective To evaluate the feasibility and effectiveness of four closure techniques ,large incision with plastic distal at‐tachment and clip with suction ,1 .1 cm small incision with plastic distal attachment and clip with suction in natural orifice translu‐minal endoscopic surgery(NOTES) .Methods Forty‐one ex vivo porcine stomachs were involved in this research .According to the size of incision and different methods of incision closure ,all ex vivo porcine stomachs were divided into four groups .Group A in‐volved 8 ex vivo porcine stomachs ,their size of incision were 1 .2-2 .0 cm ,and their incisions were closured by a clip closure direct‐ly ;group B involved 10 ex vivo porcine stomachs ,their size of incision were 1 .2-2 .0 cm ,and their incisions were closed by plastic end attachment with suction and clip enclosure technique;group C involved 10 ex vivo porcine stomachs ,their size of incision were smaller than 1 .1 cm ,and their incisions were by a clip closure directly ;group D involved 13 ex vivo porcine stomachs ,their size of incision were smaller than 1 .1 cm ,and closured by plastic end attachment with suction and clip enclosure technique .Stomach leaks were evaluated by leaking studies after the procedure .Results In group A ,1 incision was closed successfully ,7 incisions were clo‐sured unsuccessfully ;in group B ,2 incisions were closed successfully ,8 incisions were closed unsuccessfully ;in group C ,2 incisions were closed successfully ,8 incisions were closured unsuccessfully ;in group D ,11 incisions were closed successfully ,2 incisions were Closured unsuccessfully .Fisher′s exact test showed that group D was significantly related to the success of incision closure .The were significant differences between group A and D ,group B and group D(P<0 .05) .Conclusion Small incision(smaller than 1 cm) and plastic end attachment with suction and clip enclosure technique are optimal in NOTES procedure in this ex vivo porcine stomachs study .

OBJECTIVETo evaluate the ThinPrep bronchial brushing cytology in the diagnosis of lung cancers.

METHODSThe smear slides of ThinPrep bronchial brushing cytology in 1000 patients collected from April 2001 to April 2002 were reviewed.

RESULTSOf 389 patients diagnosed as having lung cancer clinically or histopathologically, 273 (70.2%) were revealed by ThinPrep bronchial brushing cytology. Among the 74 patients with benign lung diseases comfirmed by pathology, 3 had been suspected as having lung cancer by ThinPrep bronchial brushing cytology. Actually, they were two patients suffering from tuberculosis and one hamartoma proven by histopathology later. The sensitivity and specificity of ThinPrep bronchial brushing cytology were 70.2% and 95.9%, respectively. Of the 179 patients who had both cytological and histopathological results, the cytology and pathology concordance rate was 95.4% in squamous carcinoma, 87.0% in adenocarcinoma and 95.7% in small cell carcinoma.

CONCLUSIONAlthough ThinPrep bronchial brushing cytology has a high specificity, it is not good in diagnosing lung cancer. Poor smearing technique may be responsible for most of the false negative. Type diagnosis of poorly differentiated carcinomas can be difficult when based on the ThinPrep bronchial brushing cytology alone.

Adenocarcinoma ; diagnosis ; Adult ; Aged ; Biopsy ; Bronchi ; pathology ; Bronchoscopy ; Carcinoma, Small Cell ; diagnosis ; Carcinoma, Squamous Cell ; diagnosis ; Cytodiagnosis ; methods ; Diagnostic Errors ; Female ; Humans ; Lung Neoplasms ; diagnosis ; Male ; Middle Aged ; Sensitivity and Specificity