Objective To observe the effect of paraoxonase 1 (PON1) application of the new method of arylesterase activity in patients with coronary heart disease,analysis of paraoxonase 1 (PON1) of the clinical value of arylesterase activity in the new testing method.Methods From January 2014 to January 2016 in our hospital 86 patients with coronary heart disease as the research object,and then select the healthy people at the same time to the hospital physical examination of 50 as the control group to take the research object,spectrophotometric method for the determination of coronary heart disease patients and control subjects serum PON1 arylesterase activity,PON1 arylesterase activity at the same time with statistics the different degree of coronary heart disease,PON1 arylesterase activity between patients with coronary heart disease and control group comparison study and different severity of coronary heart disease patients,the patients with coronary heart disease PON1 aromatic ester enzyme activity,age,gender,BMI,TC,total cholesterol,low density lipoprotein cholesterol LDL-C and glycerin three greases TG included in the analysis of factors of coronary heart disease multiple linear regression equation,to determine the changes of patients with coronary artery disease by PON1 arylesterase activity,to provide a reference for clinical treatment.Results The activity of PON1 in patients with coronary heart disease was significantly lower than that of the control group,and the difference was statistically significant (P<0.05).Single branch lesions in patients with PON1 arylesterase activity was significantly higher than that of double vessel lesions and three lesions were double branch lesions in patients with PON1 arylesterase activity was significantly higher than that in three patients,the differences were statistically significant (P<0.05).According to the multiple linear regression analysis showed that coronary heart disease and the patient′s age,gender,BMI,TC,LDL-C,TG and PON1 arylesterase activity (P<0.05),which was related with age,gender,BMI,TC,LDL-C and TG were positively correlated,negatively correlated with PON1 arylesterase activity.Conclusion The PON1 activity of in patients with coronary heart disease is significantly decreased,and the extent of the disease is more severe,the more obvious the decline of PON1,the activity of PON1 shows a negative correlation with coronary heart disease.

Objective To explore the change of serum vascular endothelial growth factor(VEGF)、nitric oxide(NO)levers in patients with Kawasaki disease(KD) and their Clinical significance.Methods Serum VEGF and NO were detected by the double antibody sandwich ELISA and the method of nitratase respectively in 38 patients with KD at their acute and remission stages,and compared with anther 30 normal children.Results The lever of serum VEGF、 NO at the acute stage in KD group were significantly higher than those at the remission stage and the normal control group(P

Objective To study the effects of Nerve Regeneration Factor on the neurite growth and Neurofilament-H expression of rat dorsal root ganglions in vitro. Methods DRG was cultured and treated with NRF,observation made by fluorescent immunocytochemistry and the mRNA and protein level of NF-H of DRG neurons was detected by real-time fluorescence quantitative RT-PCR and Western blot. Results NRF can promote the neurite growth of DRGs in vitro.The mRNA and protein levels of NF-H of DRG neurons can be up-regulated by NRF in a dose-dependent manner,with the best concentration of 2.0?(mg/L.) Conclusion\ NRF can promote the neurite growth of DRGs in vitro.NRF exerts a neurotrophic action on developmental sensory neurons.

Objective To investigate the clinical and pathological features of microscopic thymoma(MT).Methods The histopathological features of 12 cases of MT were observed by histopathologic and immunohistochemical methods.The pathological morphology,diagnosis,and differential diagnosis were discussed combined with literature.Results 6 cases of MT were accompanied by myasthenia gravis(MG) symptoms.Focal hyperplastic thymic epithelial islands were accompanied by large tracts of mature adipose tissue in 12 cases of MTs,and immunohistochemistry showed CK positive.Cyst formation was found in 5 cases,lymphoid hyperplasia in 7 cases,and vascular proliferation in 5 cases.Conclusions MG may be the clinical manifestation of MT.MT can occur in thymic cortex,medulla and cortex and medulla junction.Since the tumor is small and the lesions are multiple,it can not be found by X-ray or CT examination.Diagnosis depends on histopathological examination.Correct understanding of the clinical and pathological features of MT has guiding significance on the treatment and prognosis judgment of MT.Thymic resection was recommended for MG patients either with or without thymoma.

A three-dimensional (3D) transrectal ultrasound (TRUS) imaging system is presented in this paper. The 3D imaging system is used for diagnosing diseases of prostate. The 3D image is reconstructed by a series of two-dimensional image data which is obtained through rectum. It can be a guide to prostate needle biopsies. The system is built by two parts: hardware and software. In the hardware, the mechanical device, stepper motor, control circuit, B Mode TRUS and personal computer (PC) workshop are presented. The software includes the firmware of micro control unit and software of the PC workshop. In order to evaluate the performance of the 3D imaging system, we did experiments with water and agar phantoms, and the results demonstrated the system's ability of 3D imaging with high-precision.
Biopsy, Needle ; Humans ; Imaging, Three-Dimensional ; instrumentation ; Male ; Phantoms, Imaging ; Prostate ; diagnostic imaging ; Rectum ; Software ; Ultrasonography

Objective To research the pyrazinamide drug susceptibility of Mycohacterium tuberculosis,and provide reference for clinical medication and prevention.Methods Bactec MGIT 960 system was used to test the resistance of isoniazid,rifam picin,ethambutol,streptomycin and pyrazinamide for 153 strains of Mycobacterium tuberculosis.Results Of 153 Mycobacterium tuberculosis,34 were resistant to PZA,and the resistant rate was 22.2 ％.There was no PZA single drug resistance.A mong patients with and without INH resistance,RFP resistance,EMB resistance and Sm resistance,the proportions of PZA resistance were respectively 40.5 ％ (34/84) vs 0％(0/69),47.5％(29/61) vs 5.4％(5/92),75％(6/8) vs 19.3％(28/145),53.1％ (26/49) vs 7.7％ (8/104).Among the 54 multidrug-resistant (MDR) strains 53.7％ were resistant to PZA,which was significantly higher than 5.1 ％ (5/99) among the nonMDR-TB strains (x2 =47.854,P＜0.05).In multivariate logistic analysis,resistance to Sm (OR=0.270,95％CI:0.091～0.802) and MDR-TB (OR=0.281,95％CI:0.087～0.911) were risk factors to PZA resistance.Conclusion The PZA resistance rate among MDR-TB isolates was high.PZA resistance would be associated with SM resistance and MDR-TB.The drug susceptibility test for PZA is very important to MDR-TB patients.

Objective:To investigate the curative effect of different restorations for deciduous teeth defect of children.Methods:67 children with teeth defecting seriously and being unable to fill restore were enrolled from January 2011 to January 2015 and randomly divided into three groups,one group of patients accepted metal crown restoration (Group A,n=22),one group adopted ceramic inlay restoration (Group B,n=22),and the last one accepted silver amalgam filling (Group C,n=23),the curative effect and incidence of adverse reactions among three groups in the period follow-up were compared.Results:In the period of 18-month follow-up,6 patients of toothache,5 patients of food impaction and crevices between restorations and teeth,3 cases of gingival congestion,2 cases of secondary caries were observed in group C;3 cases of toothache,1 case of food impaction,gingival congestion,crevices between restorations and teeth and secondary caries were observed in group B;2 cases of toothache and food impaction,1 case of gingival congestion were observed in group A.The incidence of adverse reactions in group A and group B was lower than those in group C (P＜0.05),which was lower in group A than that in group B,but no significant difference was found between group A and group B (P＞0.05).Conclusion:The restoration of metal crown and ceramic inlay deserved popularization had better curative effect and safety for deciduous teeth defect of children than silver amalgam filling.

Objective To observe the outcomes of hip arthroplasty with modular S-ROM prosthesis for failed internal fixation of intertrochanteric fracture.Methods Fifteen patients who had been admitted for failed internal fixation of intertrochanteric fracture from January 2013 to May 2015 were reviewed retrospectively in this study.They were 9 men and 6 women,aged from 55 to 86 years (average,72 years).Their primary internal fixation methods included dynamic hip screw (DHS) in 7 patients,proximal femoral nail anti-rotation (PFNA) in 5 and proximal femoral locking plate in 3.The causes for internal fixation failure were implant loosening in 5 patients,screw breakage in 6,and cutting-out of screws in 4.All the patients received hip arthroplasty with modular S-ROM prosthesis to treat their fracture nonunion or displacement.Harris hip scores were measured before operation and at the final follow-up.Results Their average operative time was 156 min (from 118 to 180 min) and average intraoperative blood loss 432 mL (from 230 to 700 mL).No fracture or neurovascular damage occurred during operation.The 15 patients were followed up for 13 to 35 months (mean,24 months).Postoperative dislocation of the artificial joint happened in one patient and nonunion of the greater trochanter due to massive bone defects was observed in 2 patients.Follow-ups showed none of the patients had such severe complications as infection,deep vein thrombosis or peri-prosthesis fracture.At the last follow-up,15 patients obtained Harris hip score of 90.6 (from 78 to 95),with 11 excellent,3 good and one fair cases.Conclusion Hip arthroplasty with modular S-ROM prosthesis is a safe and effective treatment for failed internal fixation of intertrochanteric fracture.

Objective To compare the clinical outcomes between two different femur rotating osteotomy methods for kneeling ability recovery after total knee arthroplasty (TKA).Methods From January 2012 to December 2014,88 patients underwent TKA were selected for a retrospective study and were divided into two groups based on the methods to determine femoral rotation.Forty-eight patients were in measured resection group,while 40 patients in gap balancing group.The patients in both groups underwent fixed-bearing tibia prosthesis.There were no statistical significance between the two groups in gender,age,BMI and knee varus angle (P＞0.05).The knee varus angle,ROM,Oxford knee score (OKS) and American Knee Society (KSS) knee score were collected to assess malformation correction,kneeling ability and functions at pre-operation,one and two years postoperatively.Results The operation duration and blood loss in measured resection group were 80±19 min and 348±121 ml,while these data in gap balancing group were 82±23 min and 315 ± 100 ml respectively (P＞0.05).Patients in measured resection group were followed up 24-59 months (mean 43± 11 months),while the followed-up duration in gap balancing group was 25-58 months (mean 47±10 months).No major complications such as infection loosen and instability were occurred.Varus angles in measured resection group at postoperative 1 year and 2 year postoperative were 1.2°±0.4° and 1.0°±0.2° respectively,while those in gap balancing group were 0.9°±0.2° and 0.8°±0.3° (P＞0.05).The scores of the seventh item of OKS in measured resection group at 1 year and 2year follow-ups were 2.79±1.02 and 2.75± 1.03 respectively,while those in the gap balancing group were 1.90±0.85 and 1.80±0.83 (P＜0.01).ROM in the measured resection group at 1 year and 2 year postoperative were 102.08°± 15.60° and 102.08°±15.60° respectively,while those in the gap balancing group were 112.50°±18.32° and 113.00°±18.09° (P＜0.05).KSS in measured resection group at postoperative 1 year and 2 years were 154.63±31.12 and 154.63±31.26 respectively,while those in the gap balancing group were 170.55±22.67 and 173.45±22.52 (P＜0.05).Conclusion The method of measured resection and gap balancing to confirm femoral rotation during TKA can both achieve favorable kneeling ability and clinical outcomes,while gap balancing show superiority on kneeling ability recovery,ROM and clinical outcomes at 2-year postoperative improvement.

Objective To establish an HPLC method to determine the content of diosgenin in Paridis Rhizoma; To examine contents of diosgenin in different varieties of Paridis Rhizoma medicinal plants and from different habitats. Methods Shimadzu Inertsil ODS-C18 guard column (150 mm×4.6 mm, 5μm) was used in HPLC system; elution conditions were the mobile phase using 92% acetonitrile and 8% water (isocraticelution) at a flow rate of 1.0 mL/min with 203 nm detection wavelength. The temperature of the column oven was maintained at 30℃.Results Different varieties of Paridis Rhizoma medicinal plants and Paridis Rhizoma medicinal plants from different habitats contained diosgenin. TheParis polyphylla var.pseudothibetica in Yubei district had the highest content (6.813 7 mg/g);Paris polyphylla var.stenophylla in Chengkou County had the middle content (5.758 4 mg/g);Paris yunnanensisFranch in Shizhu county showed the lowest content (1.952 2 mg/g). The results showed that the obvious difference of chemical quality between various cultivated varieties of Paridis Rhizoma medicinal plants, which might be related with origin, variety and the cultivation technology, and so on.Conclusion The diosgenin contents ofParis polyphylla var. pseudothibetica andParis polyphylla var.stenophylla were higher than that of varieties recorded in Chinese Pharmacopeia.Paris polyphylla var.pseudothibetica andParis polyphylla var.stenophylla had important medical value.