Objective:To observe the clinical effect of endodontic therapy and full crown restoration in the treatment of cracked teeth. Methods:The trace and depth of 50 cracked teeth were carefully examined under root canal microscope.According to the depth and scope of the cracks,the cracked teeth were classficated into the degree of Ⅰ,Ⅱ and Ⅲ,treated endodontically and restored with full crown.Results:During 1 year follow-up,34 cases showed successful effect,5 progressive,1 1 failure.The general effectiveness rate was 78.0%.The effectiveness rate of group Ⅰ,Ⅱ and Ⅲ was 93.3%,82.1 % and 28.6% respectively.Group Ⅰand Ⅱ vs Ⅲ,P <0.05,Ⅰvs Ⅱ,P >0.05.Conclusion:The treatment effect of cracked teeth is closely related to the depth and scope of cracks.

The endophytic bacterum 01-144 was marked by using the method of antib iotic-resistance. Colonization of 01-144 in tomato root and stem was investig ate d. Result showed that 01-144 colonized in the root and stem and the colonizing a bility in the root was stronger than in the stem after dipping seed or watering root treatmeat, It was also found that this bacterium could more easly colonized in the low stem than in the upper stem. The population fluctuation of 01-144 ha d the same trend in both root and stem i.e.first increased then decreasing, an d the fluctuation in the root was more even than in the stem.

Objective To study the influencing factors of raised D-dimer levels in elderly people.Methods 592 elderly people underwent physical examination in our hospital were selected.They were divided into observation group and control group according to the level of D-dimer.The clinical data,liver and kidney function and blood lipid levels between both groups were compared.Re-sults There were no significant difference on gender,BMI,FBG,ALT,AST and Cr between both groups (P >0.05),but the age of patients in the observation group were significantly higher than that of the control group(P <0.05).The PT,CRP,bacterial pneu-monia and (or)of acute exacerbations of chronic bronchitis,cancer,diabetes patients in the observation group were significantly higher than those in control group,while LDL-C,TC were significantly lower than that of the control group,there were significant differences (P <0.05).The plasma D-dimer level in patients showed positive correlation with CRP and age (r =0.27,0.25,P <0.05).Conclusion Malignant tumor,type 2 diabetes,bacterial pneumonia,acute exacerbation of chronic bronchitis are the risk fac-tors of raised plasma D-dimer levels in the elderly.

Objective This paper aimed to evaluate the effect of preoperative embolization on the intraoperative blood loss of sacrum chordoma.Methods forty patients involved with the spinal chordoma were retrospectively analyzed in this study.The preoperative embolization group consisted of 16 sacrum chordoma patients were embolizationed by gelatin sponge particles (10 male and6 female)age from 35 to 71 years old,(mean 57.9 years) ; and the control group consisted of 4 sacrum chordoma patients (3 male and 1 female),age from 43 to 61 years old(mean 51.8 years).analyzed the predictive value of preoperative embolization in correlation with the intraoperative blood loss.Results The mean blood loss (2025.0 ±818.5)ml of sacrum chordoma in the preoperative embolization group was insignificantly than that (1950.0 ± 802.1) ml in the control group,(P ＞ 0.05).Conclusion The study shows that the preoperative feeding artery embolization of the spinal tumor has no significant effect on the intraoperative blood loss in the surgical excision of the sacrum chordoma.

Aim Toexplorewhether1-methylhydan-toin(MH)could inhibit the basal secretion of growth hormone (GH ) and suppress the promoting effect of growth hormone-releasing hormone (GHRH ) in rab-bits.Methods Thirty-sixrabbitswererandomlydi-vided into six experimental groups according to the kind of dosing drugs,namely normal saline group(A), MH group (B ),octreotide group (C ),GHRH group (D),GHRH +MH group(E),GHRH +octreotide group(F),with 6 rabbits in each group.Blood was sampled (1. 0 mL each time)from each rabbit before injecting drugs and 5,15,30,45,60 min after drug administration.Clotting spontaneously,rabbits blood samples were centrifugated for 20 minutes at approxi-mately 1000 ×g and the supernatant was collected. Serum GH concentrations were determined by enzyme linked immunosorbent assay kit(ELISA Kit).Mean-while,the behavior of rabbits in each group after injec-tingdrugswascloselyobserved.Results TheGH level of rabbits in group A at each time point had no significant differences(P>0. 05 ).Group B and group C rabbit GH levels were significantly lower than those of group A (P<0. 05 ),while GH levels in group D were obviously higher than those of group A (P <0. 05 ).Compared with group D,rabbit GH levels in group E and group F decreased markedly(P<0. 05 ). No obvious toxic and side effects had been observed within one week after the experimental rabbits were ad-ministered corresponding drugs by intravenous injec-tion.Conclusions 1-methylhydantoincouldinhibit the basal secretion of GH in rabbits.1-methylhydan-toin could suppress the promoting effect of GHRH in rabbits.

Objective To investigate if mitochondrial KATP channels are involved in the cardioprotective effects of astragalus membranaceus in immature rabbit hearts. Methods Twenty-four New Zealand white rabbits of both sexes aged 14-21 days weighing 300-350 g were anesthetized and heparinized. The hearts were rapidly removed after thoracotomy and mounted on a Langendorff apparatus via ascending aorta and perfused with oxygenated (95% O2-5% CO2) Krebs-Hensleit buffer (KHB) solution at 60 cm H2O (perfusion pressure) and 38 ℃ . A fluid-filled latex balloon was inserted into left ventricle via left atrium for measurement of left ventricular developed pressure ( LVDP) , Global myocardial ischemia was induced by suspension of perfusion for 30 min followed by 45 min reperfusion. The animals were randomly divided into 3 groups with 8 animals in each group : group A control;group B astragalus and group C astragalus +- 5-HD (a selective inhibitor of the mitochondrial KATP channel). In group B the hearts were perfused with astragalus 40 g? L-1 for 15 min before ischemia. In group C the hearts were perfused with 5-HD 100?mol?L-1 for 5 min followed by 10 min astragalus perfusion before ischemia. In control group the hearts were perfused with only KHB before ischemia. Coronary flow (CF), HR, LVDP and ? dp/dtmax, were measured at 5, 10, 15, 30 and 45 min of reperfusion and recorded. Coronary effluent was collected at 10 min of reperfusion for determination of CK-MB, LDH and CK levels . At the end of 45 min reperfusion the isolated heart was removed for determination of myocardial ATP and iNOS levels and electron microscopic examination.Results In astragalus group (B) LVDP ? dp/dtmax and CF recovered significantly better and myocardial ATP content was significantly higher as compared with group A and C (P

ObjectiveTo observe the effect of forced expansion of occlusion on radiation ankylosis of tempormandibular joint of patients with nasopharynx cancer after radiotherapy.Methods166 patients with ankylosis of tempormandibular joint were randomly divided into the treatment group (83 cases, treated with forced expansion of occlusion) and control group (83 cases, with other treatment).ResultsThe absoluteness value of degree of mouth opening in the treatment group was significantly higher than that in the control group( P<0.01), and the course of ankylosis of tempormandibular joint in the treatment group was obviously delayed compared with the control group ( P<0.01).ConclusionThe forced expansion of occlusion can delay the course of ankylosis of tempormandibular joint, expand the degree of mouth opening, recover or partially recover the occlusion and chaw function.

Objective To study the morbidity rule of community trauma and pre-hospital care mea-sures so as to improve the pre-hospital care performance. Methods 962 cases who received pre-hospital care by "120" commanding center in our hospital were retrospectively analyzed by means of self-designed questionnaires. Results The features of community trauma were mainly multiple trauma caused by traffic accidents, the main pre-hospital care measures included bandaging, hematischesis, pexia, aspiration of oxy-gen,intravenous injection, cardiopulmonary resuscitation,tracheal intubation and cricothyroid puncture,a-mong which bandaging, hematischesis and pexia accounted for 92.7 per cent. Conclusions Early and rapid treatments to the wounded patients, and correct medical rescue are very important. They are the two key factors to promote the success rate of rescue. At the same time, sound nursing management, correct medical treatment and nursing coordination are also critical aspects.

Objective To evaluate the efficacy and safety of composite milk clotting enzyme capsules in children with functional dyspepsia.Methods A multicenter,randomized,open-label clinical trial was carried out in 4Guangzhou hospitals during Feb.2012 to Mar.2013.Children with functional dyspepsia on basis of Rome Ⅲ criteria were enrolled and treated with composite milk clotting enzyme capsules.Total symptom score and drug-related adverse reactions were evaluated after one-week and two-week therapy.The treatment outcome were divided into very effective,fairly effective and ineffective according to the symptom score changes.Superiority test was done for effectiveness of the treatment based on efficacy difference by 10％ regarded as superiority.Results Two hundred and one children were enrolled.One hundred and ninety-six children completed the study as planned.After two-week therapy,better effective rate and total effective rate were 68.88％ and 87.76％,higher than those of one-week therapy (27.04％,76.02％) (U =2.935,P ＜ 0.05).The lower limits of 95 ％ confidence interval of difference in symptoms improve rate,better efficacy rate and symptom score decrease rate between two-week and one-week therapy were more than 10％,and two-week therapy was superior to one-week therapy.No significant drug-related adverse reaction was found during the study.Conclusions Composite milk clotting enzyme capsules can improve functional dyspepsia symptoms significantly.The effectiveness of two-week of treatment is better than that of one-week treatment.No obvious drug-related adverse reaction is observed.

Objective To find a new therapy for chronic bacillary prostatitis (CBP) with intervention. Methods According to Seldinger way, the catheter was inserted into internal iliac artery or inferior vesical artery percutaneously and was perfused medicine. Results Of which 10 cases recovered and 2 increasingly improved. And there was no positive prostate bacterial culture. But after 3 to 6 month survey, one patient relapse. Conclusion The arterial-cathertered perfusion is a safe, simple and low recurrence way for CBP and available to further study.