Objective To evaluate the clinical parameter, diagnosis and operative mode of parathyroid tumor. Methods The clinical symptoms, examination methods and the mode of operation in 15 operated patients with parathyroid tumor from May 1979 to October 2001 were retrospectively analyzed. Results 15 patients with parathyroid tumors, including 10 adenomas, 3 carcinoma and 2 cysts, all revealed the symptom of hyperparathyroidism except 2 cases of cyst. The accuracy of B-US and CT in preoperative diagnosis on location was 86 7% and 91 7% respectively, and their accuracy in preoperative diagnosis on quality was 26 7% and 75 0% respectively. All patients were treated by surgery. Among them, 12 patients were cured, 1 died, and 2 relapsed. Conclusion If a patient has the symptoms of bone pain, nephrolith and the mass in neck, we should consider whether he suffers from parathyroid tumor. B-US is the first choice in preoperative diagnosis on tumor location, and CT was the good examination method for tumor location also. The diagnosis on tumor quality dependeds on pathological examination mostly. Surgery remains to be the most important. The only unilateral exploration for the benign parathyroid tumor is performed and the operative range of parathyroid carcinoma should include both the mass and thyroid.

Objective:To investigate the influence of repeated stain firing on the translucency and the color of all-ceramic CAD/CAM restorations.Methods:16 all-ceramic sample disks, including 8 of A1C and 8 of A3C in the size of 15 mm?10 mm?1 mm were fabricated and fired for 5 times. Color was measured before and after stain firing using a colorimeter.Translucency was evaluated by determining the contrast ratio(CR), and changes in color were evaluated by determining color difference △E*ab,hue angle h_ ab *,chroma C_ ab and brightness L*.Results:The translucency of A3C was greater than that of A1C.More than 4 time firing increased CR value of both A1C and A3C samples(P

Objective To explore the influence of parenterai nutrition(PN) on nutritional status and immune function in breast cancer patients undergoing postoperative chemotherapy.Methods 94 patients with breast cancer postoperative patients were randomly divided into the treatment group(47 cases) and the control group(47 cases).All the patients were given chemotherapy with VBP.The treatment group was given glutamine fortified PN,and the control group was given normal nutrition support,respectively.The nutritional status and immune function before and after chemotherapy,and main toxicities were observed.Results Compared with those before chemotherapy,there were no significant decrease on the level of ALB,PA and HB in treatment group(all P ＞ 0.05),while those indicators in control group was significantly decreased (all P ＜ 0.05).After chemotherapy,CD4,CD8,CD4/CD8 and IgA,IgG,IgM levels of the two groups were lower than those before chemotherapy (all P ＜ 0.05),and the levels of immune indicators of the treatment group were significantly higher than those of the control group(all P ＜ 0.05).The main toxicities in two groups were nausea and vomiting,diarrhea and mild bone marrow suppression,and the body weight in control group decreased (0.91 ± 0.53)kg,while it increased (0.45 ± 0.21)kg in treatment group (t =5.53,P ＜0.05).Conclusion PN treatment for breast cancer patients during chemotherapy can improve nutrition status and immune function,enhance the tolerance of chemotherapy,so as to improve curative effect and prognosis.

Objective To analyze the clinical effects of sevoflurane and propofol anesthesia on hemorrheology in elderly patients with colorectal cancer undergoing radical mastectomy.Methods 86 patients with colorectal cancer undergoing radical surgery in our hospital from March 2014 to December 2016 were selected and randomly divided into sevoflurane group and propofol group group with 43 cases in each group.Two groups of elderly patients were anesthetized before, 40 minutes after induction, 80 minutes after induction, 140 minutes after induction and 30 minutes after entering the anesthesia monitoring room 30 minutes to draw the neck 4 mL venous blood.Analysised of two groups of patients with hemorheology ( low cut blood viscosity, blood viscosity in the cut, high shear whole blood viscosity, plasma viscosity, erythrocyte deformation index, erythrocyte aggregation index) index.Results There was no significant difference in the difference of detection indexes between sevoflurane group and propofol group at each time point Comparison of sevoflurane group and propofol group in elderly patients, 40 min, 80 min after induction and 140 min after induction compared with those of pre-anesthesia low-cut whole blood viscosity, middle whole blood viscosity, high shear whole blood viscosity and plasma viscosity, the difference was statistically significant(P<0.05), erythrocyte deformation index and erythrocyte agglutination index were not significantly different between the two groups.The blood viscosity in the propofol group was significantly lower than that in the anesthesia group at 80 minutes after induction and 140 minutes after induction, the difference between the two groups was statistically significant (P<0.05).The whole blood viscosity of the sevoflurane group was significantly lower than that before anesthesia at 140 min, and the difference between the two groups was statistically significant (P<0.05).Conclusion From the point of view of hemorheology, sevoflurane and propofol anesthesia can be used in elderly patients with colorectal cancer radical operation.

This study investigated a nano drug delivery system built by one sort of modified trimethyl chitosan (TMC). The TMC was modified by cRGDyk, ligand of integrin receptor avβ3. Single factor screening was used to optimize the prescription in which the particle sizes of TMC nanoparticle (TMC NPs) and cRGDyk modified TMC nanoparticle (C-TMC NPs) were (240.3 ± 4.2) nm and (259.5 ± 3.3) nm. Electric potential of those two nanoparticles were (33.5 ± 0.8) mV and (25.7 ± 1.6) mV. Encapsulation efficiencies were (76.0 ± 2.2) % and (74.4 ± 2.0) %. Drug loading efficacies were (50.1 ± 2.1) % and (26.1 ± 1.0) %. Then the cellular uptake, uptake mechanism and transport efficacy of TMC NPs and C-TMC NPs were investigated using Caco-2 cell line. The uptake rate and accumulating drug transit dose of C-TMC NPs were 1.98 and 2.84 times higher than TMC NPs, separately. Mechanism investigations revealed that caveolae-mediated endocytosis, clathrin-mediated endocytosis and macropinocytosis were involved in the intercellular uptake of both TMC NPs and C-TMC NPs. What is more, free cRGDyk could remarkably inhibit the uptake of C-TMC NPs.

Objective To explore the influence of gender and age on hip and plantar pressure changes in the sit-to-stand transition. Methods Kinematic parameters such as changes in hip joint angle,motor velocity and speed,and also plantar pressure changes such as stress,pressure and contact area were observed as subjects of different ages and genders performed sit-to-stand transitions. Results ①Hip kinematics:The speeds of trunk movement and hip joint angle change in men and women were significantly different.Their average speed in rising was also significantly different.The young and middle-aged people rose faster with faster hip joint angle changes than the elderly.Their total rising time was therefore significantly shorter as well.()Plantar pressure kinematics:The men's plantar pressures were significantly higher than those of the women throughout the rising process.The plantar pressure of the young and middle-aged subjects was also significantly higher than that of the elderly.At the last stage of sit-to-stand transfer process the ground contact area of the women's was significantly larger,on average,than that of the men,and the elderly had significantly larger contact areas than young or middle-aged people. Conclusion During sit-to-stand transfers,men and young people move faster than women or the elderly.Women and older people tend to have larger foot-ground contact areas than men and younger persons.Different rehabilitation measures are required for different ages,genders and diseases.

BACKGROUND:Arterial stiffness is an independent risk factor for cardiovascular disease.Augmentation index(Alx)is an important marker which reflects the systemic arterial stiffness.OBJECTIVE:To investigate Alx and the affecting factors in Xinjiang Uygur health adults.METHODS:A total of 559 healthy adults(251 males and 308 females)with a mean age of(44.95±11.87)years were selected from Hetian,Xinjiang Uygur Autonomous Region.The following indexes of all subjects were measured,including questionnaire,physical examination,blood biochemistry and C-reactive protein(CRP).Central systolic blood pressure(cSBP)and central Alx were measured by Sphygmocor.Pearson correlation and partial correlation analysis were used for two-group analysis of correlation,and multiple regression analysis was used to analyze influential factors for Alx.RESULTS AND CONCULUSION:Alx was greater in female than in male and was positively related to age in both sexes(male:r=0.548,female:r =0.405,P < 0.05),as well as adjusted other influential factors(male:r=0.182,female:r =0.234,P < 0.05).Multiple regression analysis showed that cSBP,systolic blood pressure(SBP),sex,age and CRP were main factors which affected Alx in Uygur healthy adults,cSBP,SBP,age,body mass and CRP were main factors which affected Alx in the male,while cSBP,SBP,age,height and CRP were main factors which affected Alx in the female.Results revealed that Alx was greater in female than in male which was positively related to age in both sexes.Age,cSBP,SBP and CRP were main factors that affected Alx in Xinjiang Uygur healthy adults.

Objective To investigate the Demodex infection status and influencing factors in medical students in Wuhu City. Methods The mite specimens were collected by the cellophane tape method,and the influencing factors were investigated through the questionnaires. Results A total of 316 medical students were surveyed,117 students were infected with Demodex mite,and the total infection rate was 37.03%. There was no significant difference between the male and female in the infection rate( χ2 = 0.00,P > 0.05). Of the 117 infected cases,the infection rate of simple Demodex folliculorum was 51.28%,the infec-tion rate of simple Demodex brevis was 24.79%,and the rate of mixed infections was 23.93%. The rate of the mild infection (83.76%)was significantly higher than that of the moderate infection(12.82 %)and that of the severe infection(3.42%). The infection rate in the forehead was the highest(29.41%). Among the students with the oily skin,the infection rate of Demodex mite was related to sex. The infection rate of simple Demodex brevis in the male(3.70%)was lower than that in the female (16.42%)( χ2 = 6.92,P < 0.05),while the rate of the mixed infections in the male(17.28%)was higher than that in the fe-male(4.48%)( χ2 = 5.91,P < 0.05). The infection rate of facial skin with symptoms(51.80%)was higher than that of normal facial skin(33.05%)( χ2 = 9.14,P < 0.01). There was no significant difference between the infection rate of Demodex mite and the living habits and other factors. Conclusions There is some infection of Demodex in the medical students. The infection rate of facial skin with symptoms is higher than that of the normal facial skin. So we should strengthen the prevention and treat-ment of Demodex infection in medical students.

BACKGROUND:Macrophage migration inhibitory factor (MIF) is a multi-potent cytokine that makes considerable contribution to the regulation of inflammatory response and immune response in the body. MIF rs1007888 is associated with various inflammatory diseases, but the correlation between rs1007888 and coronary heart disease in the Kazakhs of China has been rarely explored. OBJECTIVE:To investigate the relationship between rs1007888 gene polymorphisms in MIF gene and coronary heart disease in the Kazakhs from Xinjiang Uygur Autonomous Region, China. METHODS:A total of 230 Kazakh patients with coronary heart disease evidenced by coronary arteriography between December 2012 and July 2014 were recruited, and another 478 Kazak controls were free from coronary artery disease with normal angiograms. Real-time fluorescence quantitative PCR assay was used to detect the rs1007888 polymorphisms of MIF gene. Alele and genotype distributions of the rs1007888 polymorphism were compared between patients and controls. RESULTS AND CONCLUSION:Distribution of genotypes in the two groups appeared to be in Hardy-Weinberg equilibrium (P> 0.05). The alele frequencies and genotypes of MIF-rs1007888 showed no significant difference between the two groups (P > 0.05). Therefore, the genetic variation of rs1007888 in MIF gene is not associated with coronary heart disease in the Kazakhs of China.

OBJECTIVE: To investigate the association between transforming growth factor beta1(TGF-beta1)-800G>A polymorphism and cerebral infarction (CI). METHODS: The genotypes of 247 patients with atherosclerotic cerebral infarction and 167 sex- and age-matched healthy controls were detected by PCR-RFLP, and the frequency distribution of alleles calculated. RESULTS: TGF-beta1-800G>A polymorphism was found in Han population in Hunan Province, China. The distribution of -800G>A genotypes was consistent with Hardy-Weinberg balance in the CI and healthy control group. There was no significant difference between genotypes and allele frequency of TGF-beta1-800G>A in the CI and control group (P>0.05). Logistic regression analysis suggested that no genotypes could increase or reduce the risk of CI onset (P>0.05). CONCLUSION TGF-beta1-800G>A polymorphism is not associated with CI in Han population in Hunan Province.
Case-Control Studies ; Cerebral Infarction ; genetics ; China ; ethnology ; Female ; Gene Frequency ; Genotype ; Humans ; Male ; Polymorphism, Genetic ; genetics ; Polymorphism, Single Nucleotide ; Transforming Growth Factor beta1 ; genetics