Undicalcified autologous dentin particles(UADP)combined platelet rich fibrin(PRF)were used in a case after extraction of the left mandibular second molar for tooth extraction site preservation.CBCT images at 3,9 and 24 months after operation showed that the bone mass maintenance effect was obvious.Histological sections showed a large number of new bone formation around dentin particles.

Objective:To explore the intervention effect of humanistic management on anxiety and depression tendency of visiting physicians.Methods:The visiting physicians who began to further study in Beijing Anzhen Hospital, Capital Medical University from January 2016 to December 2018 were selected for humanistic management, and the visiting physicians from April 2013 to December 2015 were set as reference to conduct a questionnaire survey before and after the refresher training with the Hospital Anxiety and Depression Scale. Therefore, the visiting doctors all had the conventional refresher study management mode. On this basis, the intervention group established an individualized refresher study schedule, equipped the doctors with tutors, regularly visited the doctors and organized symposiums for them, assisted them to join the academic groups of the department, organized and coordinated the doctors to participate in the multi-disciplinary academic ward rounds, conducted negative emotional relief through the Balint groups, and integrated the cultural life of the refresher doctors into the cultural construction of the hospital and follow up the refresher doctors after the refresher training. SPSS 16.0 was used to perform t-test and variance analysis. Results:There was no difference in anxiety and depression scores between the two groups according to gender, type of refresher department, level of source hospital and length of study ( P > 0.05). Compared with the two evaluations in the intervention group, the second scores of anxiety for men and women [(5.90±1.37) vs . (6.48±1.87), (5.92±1.45) vs . (6.73±2.12)], doctors in each department [(5.50±1.23) vs . (6.76±2.35), (6.03±1.36) vs . (6.64±1.75), (5.98±1.50) vs . (6.64±2.15)], doctors from secondary and tertiary hospitals [(5.85±1.29) vs . (6.64±2.02), (6.00±1.50) vs . (6.78± 2.14)], the total score of doctors [(5.92±1.37) vs . (6.64±2.15), (5.92±1.47) vs . (6.68±1.98)] and the total score [(5.92±1.42) vs. (6.66±2.05)] were lower than the first evaluation score ( P<0.05). The second scores of depression for female doctors [(6.15±1.37) vs . (6.68±2.06)], doctors in medical laboratory department [(6.02±1.40) vs . (6.69±1.88)], doctors from tertiary hospital [(6.13±1.41) vs. (6.51±1.90)], doctor with different training durations [(6.04±1.42) vs . (6.50±2.02), (6.12±1.34) vs . (6.57±1.97)] and the total score of doctors [(6.09±1.37) vs . (6.54±1.99)] were lower than those of the first evaluation ( P < 0.05). The anxiety score of the second evaluation in the control group was higher in male physicians [(6.63±1.15) vs . (6.11±1.76)] than the first evaluation ( P < 0.05). Compared with the second evaluation data of doctors in the two groups, in terms of anxiety scores, the scores of doctors at all levels and total scores in the intervention group were lower than those in the control group ( P < 0.05); in terms of depression score, the scores of female visiting doctors, doctors from tertiary hospitals, doctors with refresher training duration of 6 months and total score were lower than those of the control group ( P < 0.05). Conclusion:The application of humanistic management to strengthen the management of refresher physicians can improve the psychological state of refresher doctors to a certain extent, especially alleviate the anxiety state, which is a worthy promotion of refresher management mode.

Objective:To investigate the incidence of acute kidney injury (AKI) following cardiac surgery and related risk factors in 4 878 patients.Methods:The information from patients who underwent cardiac surgery through March 2015 to October 2015 was collected retrospectively from the electronic database of Beijing Anzhen Hospital. A total of 4 878 patients were divided into AKI group and non-AKI group according to whether AKI occurred within 7 days after cardiac surgery. The incidence of AKI was calculated, and the AKI incidence in different types of cardiac surgeries were compared. Clinical data such as baseline clinical information, operation information, comorbidity, hospital stay time, life ability score in discharge from the hospital, and so on, were compared between AKI group and the non-AKI group using univariate analysis. Risk factors for AKI following cardiac surgery were analyzed using the binary multivariate logistic regression.Results:A total of 933 patients suffered from AKI (19.1%) following cardiac surgery. The time of stay in the hospital was longer in AKI group than that in the non-AKI group [(14.4±8.9) vs (13.7±7.7) d, P<0.05)]. The incidence of AKI in different types of cardiac surgeries varied significantly ( P<0.001). The logistic regression analysis showed that male, diabetes, hypertension, the elevated basic serum creatinine, cardiac dysfunction (NYHA grade≥Ⅲ), cardiopulmonary bypass, a combination of operations≥3, the rethoracotomy exploration and hemostasia, and using an invasive ventilator for over 96 hours were the independent risk factors for the AKI following cardiac surgery (all P<0.05), and the odds ratio (95% confidence interval) were 1.81(1.46-2.24), 1.29(1.03-1.62), 5.85(4.73-7.22), 1.81(1.36-2.40), 4.49(3.60-5.60), 1.84(1.49-2.27), 23.24(18.25-29.59), 2.34(1.45-3.77) and 1.94(1.09-3.43) respectively. Conclusions:The incidence of AKI after cardiac surgery in Beijing Anzhen Hospital is 19.1%. AKI following cardiac surgery prolongs the time of stay in the hospital. Independent risk factors for AKI following cardiac surgery are multiple, and one of the most critical factors is a combination of operations≥3.

Objective To investigate the related risk factors for dyed cornea of orthokeratology, and to analyze the related risk factors, and to determine the independent risk factors, Provide evidence for intervention measures. Methods The clinical date were investigated for 990 patients with fitting orthokeratology lens between may.2014 and may.2016 in our hospital,through access to medical records, follow-up visit,questionnaire investigation to find out the cause of orthokeratology adverse reactions, the related risk factors were analyzed by univariate and multivariate Logistic regression analysis, using SPSS17.0 statistical processing. Results The incidence rate of dyed cornea of orthokeratology lens fitting in was 14.55%(144 in 990 patients); the single factor analysis found gender, age, region, refraction, lens position, family members, no significant difference . Eye disease combined (χ2= 28.73, P＜0.01), Schirmer I test (χ2=17.68, P＜0.01), lens activity (χ2=67.1, P＜0.01), Lens deposit(χ2=64.29, P＜0.01), lens wearing time (χ2=43.25, P＜0.01), health habits (χ2=38.01, P＜0.01) and water resources (χ2=3.81, P＜0.05), the difference was statistically significant; Logistic Logistic regression analysis found that Schirmer I test ( OR=4.126, P=0.003), lens activity ( OR=1.733, P=0.104), Lens deposit( OR=3.723, P=0.038), lens wearing time ( OR=5.034, P=0.002), health habits ( OR=6.544, P=0.002) and water resources ( OR=7.501, P=0.002) were independent risk factors for adverse reactions of orthokeratology. Conclusions Intervention measures that improve the fitting technology, complete removal of lens depositthe, Control wearing time, improve the health behaviors of the patients with the habit, use saline and professional cleaning are of great significance to reduce the incidence of adverse reactions of orthokeratology.

Objective To investigate the effects of activated protein kinase(AMPK)agonists on the expression of peroxisome proliferator-activated receptor γ coactivator 1α(PGC1a),mitofusin 2 (Mfn2) and nuclear respiratory factor1 (NRF1)in the process of lipid-induced mitochondrial dysfunction of skeletal muscles.Methods The expression of PGC1α,Mfn2 and NRF1 in C2C12 skeletal muscle cells after intervention with palmitic acid was detected using reverse transcription-polymerase chain reaction(RT-PCR)and Western blotting.The effect of 5-aminoimidazole-4-carboxamide ribonucleotide (AICAR) on Mfn2 and NRF1 and,the expression of Mfn2 and NRF1 in C2C12 cells induced by a PGC1α activator and PGC1α-siRNA were assessed by Western blotting.Results Palmitic acid decreased the mRNA and protein expression of PGC1α,Mfn2 and NRF1 in C2C12 cells (P＜0.05).Additionally,AICAR,rosiglitazone and metformin up-regulated PGC1α expression,regardless of the presence of palmitic acid and,AICAR reversed lipid-induced PGC1α,Mfn2 and NRF1 attenuation in C2C12 cells.Furthermore,Mfn2 and NRF1 protein expression increased with PGC1α over-expression,and decreased with down-regulated PGC1α expression.Conclusions AICAR can relieve the adverse effects of palmitic acid on PGC1α,Mfn2 and NRF1 in skeletal muscle cells.Moreover,it appears that AICAR can up-regulate Mfn2 and NRF1 expression through activating PGC1α.

Objective To explore the risk factors for adverse reaction of Ortho-K lens so as to provide a reference for formulating targeted intervention measures.Methods From May 2014 to May 2016, retrospective analysis was used to clinical data from 990 patients with Ortho-K lens of Hankou Hospital, Wuhan Aier Eye Hospital. The reasons for adverse reaction of Ortho-K lens were found out through consulting medical record, telephone follow-up or asking and the related risk factors were analyzed.Results Among 990 patients with Ortho-K lens, there were 144 of them with adverse reaction with 14.55％ for the incidence. Single factor analysis showed that there were statistical differences in history of ocular disease, schirmer tests, mobility of eyeglass, sediment of eyeglass, time of wearing glasses, health habit, cleaning solution for eyeglass among patients with Ortho-K lens (χ2=28.73,17.68,67.1,64.29,43.25,38.01,3.81;P<0.05). Multivariate Logistic regression analysis revealed that the independent risk factors for adverse reaction of Ortho-K lens included secretion of tears, mobility of eyeglass, sediment of eyeglass, time of wearing glasses, health habit and cleaning solution.Conclusions The major factors for adverse reaction of Ortho-K lens are schirmer tests, mobility of eyeglass, sediment of eyeglass, time of wearing glasses, health habit and cleaning solution. Hospitals should constantly optimize the process, improve optometry technology, promote healthy behaviors of patients to make them form a good living and health habit as well as eye care habit, strengthen education and guidance to ensure patients master correct cleaning and disinfection methods, effectively control time of wearingglasses. We recommend the 0.9％ sodium chloride solution and professional cleaning solution to deal with eyeglass and nursing devices.

Objective To study the adsorption and separation of licorice flavonoid with macroporous resins. Methods Eight types of macroporous resin were selected to compare their performances in absorbing and desorbing licorice flavonoid. The optimal type for licorice flavonoid was decided, meanwhile, its kinetic curve and dynamic absorbing behavior were studied. Results HPD300 resin possessed higher adsorption and desorption capacity. The appropriate adsorption and desorption conditions were as follows:concentration of sample was 2.0 mg/mL, velocity of sample solution was 1.5 BV/h, volume of sample solution was 2 BV (bed volume);velocity of 80%ethanol was taken as eluant 1.5 BV/h, and the volume was 3 BV. Flavonoid content was increased more than 2 times under above conditions. Conclusion HPD300 macroporous resin showed better comprehensive adsorption property. It can be used to purify and separate licorice flavonoid.

Objective To evaluate the quality of life status in patients aged 70 years and over following off-pump coronary artery bypass (OPCAB) grafting. Methods Seventy-eight patients with coronary heart disease [mean age (74.6 ± 5.3) years, 66 males, 12 females] were investigated retrospectively. Three questionnaires about the quality of life, including Seattle Angina Questionnaire (SAQ), Nottingham Healthy Profile (Part Ⅰ NHP) and Duke Activity Status Index (DASD, were used to investigate patients before and after OPCAB. Results Prior to OPCAB, there was lower quality of life index in males than in females [SAQ: (65.3±5.1) vs. (69.5±8.1); NHP: (89.4±17.3) vs. (125.2±19.9), P＜0.01; DASI: (4. 1±1.1) vs. (4.3± 1.3)]. At the 12th months after OPCABG, there were significant improvements in all patients. The effects were less pronounced in females than in males [SAQ: (83.1 ±5.8) vs. (88.5±4.5), P＜0.05; NHP: (84.7± 11.7) vs.(91.4±13.7), P＜0.05; DASI: (4.7±1.4) vs. (5.4±1.1)]. Conclusions Our study shows that OPCAB improves quality of life in elderly patients with coronary heart disease. The benefits of OPCAB are even more pronounced in male patients.

Objective To investigate the relationship between 4G/5G polymorphism in the promotor of plasminogen activator inhibitor-1 (PAI-1) gene and pulmonary thromboembolism (PTE). And to detect whether it plays an important role in the pathogenesis of PTE. Methods The 76 patients with PTE, 74 gender and age matched healthy controls were recruited in this study. Genome DNA was extracted from whole blood using phenol-chloroform. Subjects were genotyped for the 4G/ 5G polymorphism of PAI-1 gene using polymerase chain reaction and restriction fragment length polymorphism analysis. Results Significant difference was found in the frequency of 4G/4G genotype between PTE group and control group (50.0% vs.24.3%,P<0.01). And there were no significant differences in 4G/5G and 5G/5G genotype between the two groups. The 4G allele frequency was higher in PTE group than in control group (72.4% vs. 55.4% , P<0.01) . The recessive allele model was informative and the odd ratio of 4G/4G genotype was much higher than of other two genotypes (OR=3.40, P<0.01). Further stratification showed 4G/4G genotype was associated with high risk of PTE for those individuals without traditional environment risk factors. Conclusions The 4G/5G polymorphism of PAI-1 gene is associated with PTE and 4G allele is recessive. 4G/4G genotype increases the risk of PTE for individuals who have no traditional risk factors of PTE.

Objective To observe the changes of serum levels of inflammatory cytokines in the elder patients with clopidogrel resistance (CLR) after coronary stenting. Methods A total of 93 patients with unstable angina pectoris received coronary stenting were enrolled, and peripheral blood samples were taken before and 24 hours, 1 week and 1 month after surgery. The platelet aggregation (PAG) induced by adenosine diphosphate (ADP) were detected, and all patients were divided into CLR group (n=33) and normal response group (n=60) according to PAG response. At the same time, the levels of C-reactive protein (CRP), soluble fragment of CD40 ligand (sCD40L) and P-selectin were detected by enzyme-linked immunosorbent assay. Results The incidences of CLR were 35. 5% (33/93), 26. 9%(25/93) and 20. 4%(19/93) respectively 24 hours, 1 week and 1 month after surgery. The levels of CRP C(8. 8 ± 2. 5) mg/L at 24 hours, (5. 3 ± 2. 5) mg/L at 1 week], P-selectin [(73. 8±34)×10~(-3) ng/L at 24 hours, (70. 5±31. 6)×10~(-3) ng/L at 1 week, (66. 4±22. 3) ×10~(-3) ng/L at 1 month] and sCD40L C(7. 7 ±2. 3)×10~(-3) ng/L at 24 hours] after surgery in CLR group showed significant differences comparing with pre-surgery and normal response group (all P< 0.05). The CLR at 30 days after coronary stenting was significantly correlated with the level of P-selectin (r=1.334) and smoking (r= 1.053). Conclusions The levels of CRP, P-selectin and sCD40L in some elder patients after coronary stenting are increased and may be correlated with CLR. The levels of P-selectin and smoking are the predictors for CLR.