Objective To investigate the value of transcatheter thrombolysis treatment of acute A V internal fistula thrombogenesis in hemodialysis patients. Methods The acute A V fistula thrombogenesis in 32 hemodialysis patients with chronic renal failure were treated with transcatheter pulse spray pharmacomechnical thrombolysis (PSPMT). Results Acute A V fistula thrombogenesis was verified in all 32 patients by angiography and treated with transcatheter PSPMT. The immediate clinical success rate of thrombolysis was achieved in 97% except for one case. The A V fistulas were proved to reopen by post treatment angiography. Recurrent thrombosis was found in 4 cases, reopenning with transcatheter PSPMT was achieved in 2 of them and the rest 2 cases were undergone PTA because of localized vascular stenosis. All the 32 A V fistulae, were reopened after treatment without serious complications such as hemorrhage, pulmonary embolism and others.Conclusions Transcatheter PSPMT is a safe, effective and microinvasive treatment for acute A V fistula thrombolysis with higher immediate reopenning rate. Transcatheter PSPMT combined with PTA and intravascular stent grafting can improve long term patency rate.

OBJECTIVE To investigate the distribution of nosocomial infection(NI) in patients after surgical procedures and antimicrobial resistant change of pathogens. METHODS A total of 195 strains of pathogenic bacteria isolated from the samples after surgical procedures from Jan 2006 to Dec 2006 were analyzed by WalkAway-40 system with NC31 system. RESULTS Among the 195 strains of pathogenic bacteria,there were Gram-negative bacilli(74.4%) and Gram-positive cocci(25.6%).The dominating microorganisms were Escherichia coli,Klebsiella pneumoniae,Pseudomonas aeruginosa and Staphylococcus aureus.The result showed that vancomycin and imipenem still had better activities to the bacteria. CONCLUSIONS Surgical incision infection should be monitored by some effective measures,and it is very important to prevent surgical infection and use antibiotics reasonably.

Objective To evaluate the clinical value of the condition of radial artery for autogenous arteriovenous fistula ostomy by color Doppler ultrasound. Methods The condition of radial artery of 133 end-stage renal disease( ESRD) patients who received autogenous arteri-ovenous fistula ostomy were detected by color Doppler ultrasound,and compared with the postoperative parameters of fistula vascular. Results Among all 133patients,the preoperative radial artery of 95 cases were normal,abnormal in 38 cases. Ostomy surgery performed on 131 cases. Two cases gave up surgery for the poor condition of radial artery,13 cases with fistula failure. The success rate with normal radial artery (95. 8%) was higher than that with the abnormal radial artery(75%). The blood flow parameters of normal radial artery were significantly better than those of the abnormal radial artery,and 4 weeks after operation,the anastomotic blood flow and blood vessel diameter were better than those 1 week before and after surgery. Conclusion Color Doppler ultrasound that can provide preoperative data of radial artery, predict postoperative the state of fistula vascular,and monitor the conditions of postoperative fistula vascular,with better clinical value.

Objective To explore the relationship between endothelial dysfunction and insulin resistance (IR) during reduction of body weight in obese subjects. Methods 260 obese subjects without metabolic disorders, cardiovascular disease and other clinically detectable diseases were enrolled in this study. Among them 157 patients were found to have impaired endothelial function and 103 with normal endothelial function. They were randomly divided into body weight reduction intervention group and nonintervention group. The measures of intervention included food restriction, exercise, and drugs for weight reduction, and they were continued for two years. 87 subjects with normal weight and without endothelial dysfunction served as normal control. IR index (HOMA-IR) and flow-mediated endothelium-dependent dilatation function were measured before and after the study period. Results After two years, it was found that the endothelial function was markedly improved (4.56?4.79 vs 15.17?5.80, P

Objective To evaluate the etiology, pathogenesis, clinical manifestation, imaging features, treatments and factors related to prognosis of acute spinal spontaneous hematoma.Methods The clinical data of 38 patients with acute spinal hematoma treated in our hospital from 2011 till now were analyzed retrospectively.Duration of follow-up was 6 months.The factors influencing the prognosis were analyzed.Results Acute epidural hematomas (n=29) were much more common than subdural (n=5), subarachnoid (n=1) and intramedullary (n=3).Most hematomas were located in the cervical and thoracic vertebra regions.The etiology of acute spinal spontaneous hematoma was unknown in most patients.Twenty-nine patients were dealt with surgical intervention and 9 patients were treated conservatively.After 6-month follow up, recovery rate measured by JOA score in patients of spinal injury ASIA level A and B was (51.26 ±38.97), and level C, D and E was (80.33 ±25.83), P<0.05.Recovery rate in patients with hematoma discovered in less then 24 hours treated with surgical decompression was (64.79 ±36.10), and that in those with hematoma present over 24 hours was (34.54 ±30.17), P<0.05.Conclusions Acute spinal hematoma always caused by unknown etiology, and usually manifests itself in a sudden onset of pain and neurological deficits.The early diagnosis mainly depends on MRI.Patients presenting with severe neurologic dysfunction or showing signs of progressive deficit should have immediate surgical intervention. The status of neurological deficits before surgery and the length of interval between onset and surgical intervention are associated with recovery.

Objective To investigate the awareness of AIDS knowledge among medical staffs and their preventive behaviors among hospitals of traditional Chinese Medicine in Liangshan and to analyze the influential factors so as to provide the scientific basis for the staffs' training as well as for the prevention and control about AIDS. Methods Medical staffs from 7 hospitals of traditional Chinese medicine in Liangshan were surveyed using self-designed questionnaires,among which 276 were valid. Results The total score of the medical staffs' knowledge on AIDS was 34.14 ±6.92 points. Those with the highest score accounted for 16.73%, others with intermediate score accounted for 56.13%and still others with the low score accounted for 27.14%. The total score of the medical staffs' preventive behaviors on AIDS was 35.20 ±9.48 points, with the highest score being 12.64%, the intermediate score being 30.86%and the low score being 56.51%. The major factors to influence the medial staffs' knowledge about AIDS related to his/her educational level, specialty, education background of education, trainings on AIDS and contacts with HIV/AIDS patients and so on (<0.05) . The hospital's level, the specialty, whether or not being trained with AIDS knowledge concerned the level of occupational protection ( <0.05), whereas their ages, titles of a technical post, working years of working were irrelevant. Conclusion The overall level of these medical staffs’knowledge and preventive behaviors has not been satisfactory. Therefore, the various training programs will be necessary to improve the technical level of the medical staffs.

Objective To establish and observe the canine model with esophageal stent implantation for further study of the benign stenosis caused by proliferation.Methods According to orthogonal design,different combinations of two stents and six polytetrafluoroethylene (PTFE) patches were confirmed.Stent was designed as cylinder with mushroom shape on both ends.Beagle dogs (weight 10-12 kg) were adopted and cervical segment of esophagus were dissected.After PTFE patch was encircled around the esophagus,stent was delivered under fluoroscopy.The main body of the stent was located in accordance with the patch.Eating condition and position of the stent were followed on week 1,2,4,6 and 8.Gross specimen was harvested at the end point,and the degree of tissue hyperplasia was evaluated.Each animal model was given a mark according to the eating condition and tissue hyperplasia.Results Eight combinations of stent and patch were provided with orthogonal design.Three models failed for the following reasons:unable to eat in one dog,stent disgorged out in another,and the third died from esophageal necrosis between stent and patch.Four models had obvious tissue hyperplasia on the segment of stent,and weight loss or stent dislocation were observed in each model.One model developed appropriate tissue hyperplasia with normal diet,and stent dislocation was not found during the follow-up.Significant difference was confirmed among 8 models (F =14.7000,P =0.031).Conclusion Animal model with appropriate tissue hyperplasia could be established with following elements:beagle dogs weight from 10 kg to 12 kg; stent 50 mm in length,20 mm in diameter,with top mushroom 10 mm in length,30 mm in diameter,and end mushroom 10 mm in length,25 mm in diameter; PTFE patch 60 mm in length,15 mm in width.

Objective To explore the feasibility and value of treating esophageal thoracic fistula with covered esophageal stent through nasal esophagus drainage tube. Methods Seven patients with esophageal thoracic cavity fistula were enrolled and treated by 5F pigtail side-holes catheter inserting into thoracic cavity for drainage and then again through nasal esophagus and fistula, placing a covered stent in the esophagus to occlude the orifice of the fistula. The abscess cavities were washed and radiographied periodically through drainage tubes. Results The insertion of the drainage tube and the placement of covered stent were all successful. The drainage tubes were placed in abscess cavities for 12-22 days, average 15 days. The radiography through drainage tubes showed that the abscess cavities disappeared or shrank obviously with control of hydropneumothorax before the drainage tubes being pulled out. The esophagogram after withdrawal of the drainage tubes notified that the fistulae were occluded satisfactorily with stents expanded fully without displacement and stenosis. Conclusions Treating esophageal thoracic cavity fistula with covered esophageal stent through nasal esophagus drainage tube is feasible and safe with clinical efficiency.

Objective To approach the effect of down regulation of fast glucose damge standard on endothelial funtion. Methods The FBS 、serum lipid、 uric acid of 54101 normal subjects were detected, those subjects were divided by FBG value into four groups: A B C D ,the value of TC、 TG、 uric acid in group B were higher than which in group A, lower than in group C. The value of PBG、FINS、PINS、ET、NO of 655 subjects choiced randomly were detected .At the same time the endodermis dependence angiectasia funtion mediated by bloodstream and the no-endodermis dependence angiectasia funtion mediated by glycerol trinitrate were detected . Results The value of group B was lower than which in group A, having no statistical meanings compared with group C、D;the no-endodermis dependence angiectasia funtion mediated by glycerol trinitrate of group B was higher than that of group C, that of group C was lower than group A, the comparison of other two groups has no statistical meanings. Conclusions Down regulation of fast glucose damge standard can effect on the endothelial funtion.

Aim To investigate the effect of simvastatin ( Sim ) on endogenous antioxidant system after acute myocardial infarction ( AMI ) and its potential mecha-nisms. Methods The acute myocardial infarction ( AMI ) rat models were made by ligation left anterior descending of coronary artery. Then the successful models were randomly divided into myocardial infarc-tion group ( MI group) and simvastatin group ( Sim,20 mg·kg-1·d-1), another group without ligation left anterior descending of coronary artery served as sham group(Sham group). The Sim group was administered simvastatin by gavage for 7 days. MI group and Sham group received saline. Hemodynamic parameters, lipid levels, troponinI ( c-TnI ) and lactate dehydrogenase ( LDH) concentrations were examined after 7days, and the levels of superoxide dismutase ( SOD) and glutathi-one peroxidase ( GP) of myocardial antioxidant system were detected by ELISA. The expression of cardiac p-Akt and p-eNOS protein were detected by Western blot. Results Acute myocardial infarction significant-ly lowered cardiac hemodynamic parameters, increased serum c-TnI and LDH levels, lowered levels of SOD and GP, and lowered the expression of p-Akt and p-eNOS protein. However, Sim could effectively prevent the deterioration of cardiac function, reduce serum c-TnI and LDH levels, increase levels of SOD and GP, and increase p-Akt and p-eNOS protein expression. Conclusion Early using Sim can effectively improve heart function after acute myocardial infarction, acti-vate myocardial antioxidant system,and reduce myocar-dial necrosis, which may be related to increasing the expression of p-Akt and p-eNOS.