Objective:To explore the effect of intensified electrocardiogram (ECG) identification by using spectrogram for the monitoring and nursing ability of nurses who worked in department of cardiology.Methods: Monitoring and nursing capacity of 120 nurses of cardiology who had been trained on the intensified ECG identification by using spectrogram were researched by retrospective analysis. The 120 nurses were divided into control group (60 cases) and intervention group (60 cases) as the random number table. The nurses of control group only received routine training of ECG identification, while the nurses of intervention group received the training of using spectrogram for ECG identification on basic routine training of control group. A series of indicators, including the scores of ECG comprehensive application ability, identification ability of abnormal electrocardiogram, and the number of the identified abnormal malignance ECG and successfully treated patients, between the two groups were compared and analyzed.Results: After the training, the scores of basic theory, abilities of description and recording, and analysis ability in field operation of the intervention group were significantly higher than those of the control group, respectively (t=11.896,t=8.596,t=8.283,P<0.05). The identified ability including room speed, atrial flutter, ventricular flutter and other abnormal ECG of intervention group were significantly better than these of control group, respectively (x2=18.836,x2=17.698,x2=16.773,P<0.05). Besides, the discovery rate of abnormal malignance ECG (73.3%) and the successful rate of treatment (100.0%)of intervention group were significantly higher than that (31.7% and 81.7%) of control group, respectively (x2=19.184,x2=10.484,P<0.05). Conclusion:The training of intensified ECG identification by using spectrogram for nurse of cardiology can effectively enhance the capacities of identification for ECG and comprehensive application for nurses, and can faster confirm the situation of patient, and can contribute to achieve precision diagnosis for doctors.

Objective To study the incidence of malignant tumors in renal allografts and explore the mechanism of increased incidence.Methods A retrospective study was performed on 1 120 renal allografts under at least 0.5 year immunosuppression from 1978～2000. Results 47 cases of malignant tumors were found in 1 120 cases undergoing renal transplantation with the incidence being 4.2?%. 40 cases had intact medical history and 34 cases were demonstrated pathologically. Most patients accepted operations, additional therapies including chemical or radiological and immunological therapies. 25 cases survived and the longest survived time was 4.5 years. Conclusions The incidence of malignant tumors in renal allografts was higher than normal persons. Besides the outcome of immunosuppression, the effects of transplantation itself, such as oncogene chimera, transition of carcinogenic virus and so on, can not be neglected.

Objective To observe the effects of interleukin-1 ?(IL-1?) on spontaneous electrical activity of neurons in paravenrticular nuclei,and discuss the possible mechanism.MethodsExtracellular recording technique was employed to observe the effects of IL-1? on spontaneous electrical activity of neurons in paravenricular nuclei in rat hypothalamic slices,and the influence of losartan on the electrical activity induced by IL-1? was examined.ResultsAfter exposure to IL-1?(1?10-7 mol/L),the discharge frequency was significantly increased in 46 of the 59 discharge units(78%) of neurons(P

Objective: To evaluate the clinical effect and adverse reactions of radioactive seed interstitial brachytherapy com-bined with etoposide (EP) regimen concurrent chemoradiotherapy treatment for locally advanced non-small cell lung cancer. Methods:All 24 cases of locally advanced non-small cell lung cancer received three-dimensional conformal intensity modulated radiation therapy by using 6 MV X-ray to obtain 95%60-66 Gy/30-33 F planning target volume. All cases received radiation therapy five times a week. EP regimen chemotherapy concurrent with radiotherapy was given to 24 patients. The therapy included VP-16, 60 mg/m2 intravenous in-fusion for 1 d to 5 d, and DDP 50 mg/m2 intravenous infusion on the 1st, 8th, and 28th therapy day. Chemotherapy with EP regimen was given for four cycles, in which two cycles were given during radiotherapy and the remaining cycles were completed after radiotherapy. The patients were reexamined three months after concurrent chemoradiotherapy was completed. Patients with residual tumor, con-firmed via positron emission tomography/computed tomography, underwent 125I radioactive seed implantation interstitial brachytherapy to complement the dose of tumor. Results: The response rate was 83.3% (20/24); the local control rates of 3, 6, 9, 12, 18, and 24 months were 87.5% (21/24), 83.3% (20/24), 75.0% (18/24), 70.8% (17/24), 58.3% (14/24), and 50.0% (12/24). The median survival was 20.2 months. The one-year survival rate was 62.5%, and the two-year survival rate was 37.5%. The following main toxicities were observed:the incidence of radiation-induced lung injury was 25%;the incidence of radiation esophagitis was 33.3%;the incidence of grades Ⅰ to Ⅱ gastrointestinal reactions was 82.3%; the incidence of reducing neutropenia was 87.5%, in which the incidence of gradesⅠtoⅡwas 75.0%, gradeⅢwas 12.5%, and gradeⅣwas 0%. Conclusion:EP regimen concurrent radiotherapy and chemo-therapy combined with radioactive seed interstitial brachytherapy for locally advanced non-small cell lung cancer is effective and has few serious adverse reactions, thus making this approach worthy of promotion.

Coronary Disease ; etiology ; psychology ; Humans

Objective To explore effects of ginsenosides Rg1 on the expression of poly(ADP-ribose) polymerase-1 (PARP-1) and tumor necrosis factor receptor (TNFR) 1 in cortex cells after focal cerebral ischemia in rats. Methods Ninety healthy rats were randomly divided into sham-operative group, focal cerebral ischemia group, ginsenoside Rg 1groups (low, medium and high concentrations) and drug control group. Rats were intraperitoneally injected saline 45 mg/kg, saline 45 mg/kg+ginsenosides Rg1 10, 20 and 40 mg/kg, nimodipine 1 mg/kg 5 d before surgery, respectively. Focal cerebral isch?emia model was made by middle cerebral artery occluding in rats. The neurological deficit score and TTC staining were used to verify the success of the rat model. The expressions of PARP-1 and TNFR1 were evaluated by immunohistochemical meth?od and Western blot technique. Results There were obvious symptoms of neurological deficit and large pale infarct area in focal cerebral ischemia group compared with those of sham-operative group. There were higher percentages of neurological deficit score and infarct area in ginsenosides Rg1 groups and positive control group than those of sham-operative group, but which were lower than those of ischemia group (P<0.05). There were no significant differences between ginsenosides Rg1 groups and positive control group. The positive cells of PARP-1 and TNFR1 were higher in ginsenosides Rg1 low-dose group than those of sham-operative group and positive control group, while ones of medium and high-dose Rg1 group were higher than those of sham-operative group, and were lower than those of ischemia group (P<0.05). Compared with sham-op?erative group, PARP-1 and TNFR1 expression strips were significantly enhanced in ischemia group. Expression strips were higher in ginsenosides Rg1 low-dose group than those of sham-operative group. Expression strips were higher in ginsen?osides Rg1 medium-dose group than those of sham-operative group, but which were lower than those of ischemia group, and ones of high-dose group were lower than ischemia group (P<0.05). Conclusion Ginsenoside Rg1 shows protective effects on focal ischemia injury, which may be related with down-regulation of the expression of PARP-1 and TNFR1.

Clinic demonstration is the important part of medical education.There are more and more medical students with enlarged university enrolment in recently year.However,the patients for demonstration are relatively fewer.In this condition,we make the best of the available resources to demonstrate clinic pediatrics by teaching at bedside;displaying video products,using human analogue and case record and role playing,thus ensuring the effect of clinic pediatric teaching.

Air Pollutants ; analysis ; Chromatography, High Pressure Liquid ; methods ; Paraquat ; analysis ; Workplace

The nutritional and food hygienic character of the new developed soy protein concentrate and soy protein isolate in Heilongjiang province were studied by chemical analysis and rat experiment. These products have not yet been reported in China. The results indicated that the content of protein of soy protein concentrate and isolate was 69.76 and 83.11%(as anhydr-ate basic), the PER 2.00 and 1.34, the apparent digestibility 77.54 and 85.72%, the true digestibility 84.33 and 93.19%, the biological value 79.80 and 62.54%, the NPU 67.39 and 58.28% respectively.The essential amino acid composition of the two samples was the same as the products prepared in the other countries. By the hematological and pathological examination in rats, the contents of serveral harmful substan- ces were allowable or not detected. The authors belived that the nutritional quality of the two soy protein products was nearly the same as those in other countries, and its food safety was satisfactory.

60%) MR early-phase enhancement rate and time-SI curve type Ⅱ and Ⅲ showed an association with increased MVD and higher VEGF expression level. All the differences mentioned above showed statistical significance except that the difference between VEGF expression and the distribution of curve types had no statistical significance. No significant relationships were observed between the mean of enhancement amplitude and MVD or VEGF expression. Regarding the distribution of MVD, the study showed that the greater MVD was most frequently observed at the marginal region of breast cancer, although the distribution of MVD was heterogeneous in each lesion. Conclusion MVD and VEGF affect the contrast medium enhancement of breast lesions. The early-phase enhancement rate and time-SI curve types of benign and malignant breast lesions are closely related to MVD and VEGF. As a noninvasive method, contrast enhanced MRI has a potential role in estimating the degree of angiogenesis of breast neoplasm.