Objective To explore the association between estimated glomerular filtration rate (eGFR) based on creatinine and cystatin C and the SYNTAX score in old patients with coronary heart disease. Methods Two hundred and fifty-six consecutive old patients with coronary heart disease were included in this study. The patients were angiographically diagnosed with coronary heart disease between January 2013 and April 2014 at the Department of Cardiology.eGFR was caculated by using BIS2 equation based on creatinine and cystatin C.SYNTAX score was caculated by SYNTAX score algorithm. Multiple linear regression and ordinal logsitic regreesion was used to analyze the association between eGFR and SYNTAX score. Results In patients with normal of renal function [eGFR≥90 ml/(min·1.73 m2), 110 patients], mild renal insufficiency [60 ml/(min · 1.73 m2) ≤ eGFR<90 ml/(min · 1.73 m2), 98 patients], midrange and severe renal insufficiency[eGFR<60 ml/(min · 1.73 m2), 48 patients], with the decrease in renal function of patients, SYNTAX score increased: (15.42 ± 9.65), (25.24 ± 8.34), (33.73 ± 10.15) scores, P<0.01. eGFR was an independent predictor of SYNTAX score (r=-0.059, P<0.01).eGFR was negatively correlated with SYNTAX score (r=-0.457, P<0.01). Conclusions eGFR is an independent predictor of SYNTAX score and negatively correlated with SYNTAX score in old patients with coronary heart disease. This might be helpful to explain the increased risk of coronary heart disease events and mortality in old patients with renal dysfunction.

Objective To investigate the clinical characteristics of hypertrophic cardiomyopathy (HCM) in the elderly. Methods The clinical characters of HCM in 70 elderly patients were retrospectively analysed. Results Among the 196 identified HCM patients, 70 were elders. Out of them, 7 patients(10.0%) were suspected as HCM according to the clinical symptoms, 29 patients (41.4%)were suspected as other cardiac diseases, 34 (48.3%) were diagnosed HCM due to other reasons. Among the 70 patients, 12 patients(17.1%) had history of cerebrovascular diseases, 54 (77.1%) manifested symptoms after 45 years of age and 4 (5.7%) showed no obvious symptoms. Among them, 18 patients were examined by UCG for two times and HCM was diagnosed at the second time. Conclusions HCM in the elderly is not an uncommon disease. The onset of cardiac symptoms is relatively late in the elderly HCM and frequently misdiagnosed; cerebrovascular diseases are commonly seen in elderly HCM patients.

Objective To investigate the feasibility and stability of medical gas suction feeding device for copying the model of respiratory failure in dogs. Methods The self-designed medical gas suction feeding device was used to establish the model of respiratory failure in dogs. After regulating the proportion of oxygen (O2), carbon dioxide (CO2) and nitrogen (N2), the fraction of inspiration O2 (FiO2) was decreased, while the forced inspiratory carbon dioxide (FiCO2) was increased. At the same time, the breathing out pathway was open to make the arterial oxygen partial pressure p (O2) and arterial blood carbon dioxide partial pressure p (CO2) reached and stabilized in a stable condition. The arterial blood samples between default state and 1 hour, 2 hour after modeling were collected to detect the blood gas index. Results One hour after the establishment of model, the p (O2) was≤60 mmHg (1 mmHg=0.133 kPa), and p (CO2) was≥50 mmHg (1 mmHg=0.133 kPa), which suggested that the dog model of respiratory failure was established successfully. Compared with the basic state, data of pH, oxygen content, oxygen saturation (SaO2) and residual alkali (BE) were decreased at 1 hour and 2 hour after modeling (P < 0.05). The p (O2), oxygen content, SaO2 were decreased in 2 hour after modeling compared with those of 1h after modeling (P<0.05). There were no significant differences in pH, p (CO2), TCO2, HCO3-and BE between 1 hour and 2 hour after modeling (P > 0.05). Conclusion Under the regulation of the medical gas suction feeding device, the respiratory failure state of large experimental animals is successfully established.

Pathogen-associated molecular patterns (PAMPs) are conservative molecules associated with groups of pathogens or their products. These molecules are recognized by relevant receptors. PAMPs induce the expression of inflammatory cytokines through the signal cascade. The role of PAMPs in the initiation and development of periodontitis is recently attracting attention. PAMPs induce the expression of inflammatory mediators after they are recognized in the periodontium. This process damages the periodontal soft tissue and osseous tissue, thus resulting in periodontitis. The results of this study will provide an excellent resolution for the treatment of periodontitis by blocking the pathogenic pathway of PAMPs.
Cytokines ; Humans ; Pathogen-Associated Molecular Pattern Molecules ; Periodontitis ; Periodontium

Adenoidectomy ; statistics & numerical data ; Atlanto-Axial Joint ; Child ; Humans ; Joint Dislocations ; etiology ; Postoperative Complications

OBJECTIVE: To select specific DNA aptamer for determining ketamine by FluMag-SELEX. METHODS: Based on magnetic beads with tosyl surface modification as solid carrier and ketamine as target, a random ssDNA library with total length of 78 bp in vitro was compounded. After 13 rounds screening, DNA cloning and sequencing were done. Primary and secondary, structures were analyzed. The affinity, specificity and Kd values of selected aptamer were measured by monitoring the fluorescence intensity. RESULTS: Two ssDNA aptamers (Apt#4 and Apt#8) were successfully selected with high and specific abilities to bind ketamine as target with Kd value of 0.59 and 0.66 μmol/L. The prediction of secondary structure was main stem-loop and G-tetramer. The stem was the basis of stability of aptamer's structure. And loop and G-tetramer was the key of specific binding of ketamine. CONCLUSION FluMag-SELEX can greatly improve the selection efficiency of the aptamer, obtain the ketamine-binding DNA aptamer, and develop a new method for rapid detection of ketamine.
Aptamers, Nucleotide/metabolism* ; DNA ; DNA, Single-Stranded/genetics* ; In Vitro Techniques ; Ketamine/metabolism* ; Oligonucleotides ; SELEX Aptamer Technique/methods*

By applying Inquiries Management System for medical high-value consumables,we can rapidly and conveniently inquiry the specific name of one product,specification,price,supply channels,manufacturers and related products,doctor's name,patient's name,operation time etc,and protect the legitimate right and interests of both doctors and patients. Meanwhile,exoteric management helps to lay a good foundation for prevention of commercial bribery.

Objective:To investigate specific cellular immune response to the HPV16E7 prophylactic vaccine in mice.Methods:BALB/c mice were randomly divided into 3 groups:experimental group (treated with pcDNA3.1-HPV16E7),control group Ⅰ(treated with pcDNA3.1) and control group Ⅱ(treated with N.S.).Mice were injected (i.m.) pcDNA3.1-HPV16E7,pcDNA3.1 and N.S. one time per week,respectively.After three immunization,the blood samples from eye sockets and the supernatant cultured of spleen cells were taken for measurement IFN-? and the number of CD4 +?CD8 +T-lymphocyte by ELISA and FACS assay.Antigen-specific splenocyte proliferation assay in vitro was detected by MTT method.Results:The splenocytes actively proliferated,the number of CD4 +T lymphocyte and the quantitation of IFN-? in spleen and serum in the experimental group were significantly higher than the control group Ⅰ and Ⅱ.Conclusion:The pcDNA3.1-HPV16E7 DNA vaccine can induce specific cellular immune response in BALB/c mice.

Objective To investigate the changes of blood test indexes in patients with severe acute respiratory syndrome (SARS) after 10 years of rehabilitation, and to evaluate the effects of SARS on blood system. Methods Twenty-five cases of SARS confirmed in our hospital (SARS group) and 25 healthy personnel (control group) were included in this study. Values of blood routine test, liver and kidney function, blood lipids, blood glucose, thyroid function, tumor marker and T cell subset index were compared between two groups. Results The serum level of calcium was higher in SARS group than that of control group (mmol/L:2.32 ± 0.08 vs. 2.29 ± 0.08,t=2.072,P<0.05). The level of thyroxine was also higher in SARS group than that of control group (nmol/L: 119.95 ± 29.09 vs. 96.39 ± 14.26, t=3.681,P<0.05), but the results were in the normal range, there was no clinical significance. The level of neuron specific enolase (NSE) was higher in SARS group than that of control group (μg/L, 10.368 ± 3.684 vs. 3.282 ± 1.828, t=9.012, P<0.05), in which only 2 cases were slightly higher than the normal range, but did not exceed more than 1 times of the normal value. The imaging was only part of the old change, and there was no clinical significance. There were no significant differences in other results between two groups. Conclusion Virus of SARS cause no long-term effects on blood system, liver and kidney function, thyroid function and immunity in patients with SARS, and do not increase the probability of cancer.

This essay is to make brief comments on the Nitinol vascular stents fatigue lifetime requirements, finite element analysis and fatigue lifetime tests etc.
Alloys ; Blood Vessel Prosthesis ; Finite Element Analysis ; Materials Testing ; Stents