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Formulating codes of ethics for nurses are not only the need of establishing nurses’ professional image and dignity, but also the demand of nursing discipline development. By combing the relevant documents of codes of ethics for nurses at home and abroad, this paper summarized the main contents and application of codes of ethics for nurses, found that codes of ethics for nurses were based on the basic principle of "patient-oriented", discussing the relationship between nurses and patients, collaborators, environment, society, specialty and personal development, and forming the constraint standard for nurses’ behavior in combination with the expectation of local cultural values for nursing industry. The codes of ethics for nurses in China need to further clarify the scope of nursing, formulate behavioral norms in various specialties, and through clinical evaluation, education, management and other aspects to promote its popularization and implementation.
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Objective To investigate whether sarcopenia before concurrent chemoradiotherapy is prone to grade≥3 acute adverse reactions (AAR) and shorten survival in patients with advanced esophageal squamous cell carcinoma (ESCC). Methods Data of advanced patients with pathologically diagnosed ESCC and CCRT (FP regimen) from August 2018 to July 2022 were reviewed retrospectively.Skeletal muscle mass and body composition were measured using pre-treatment CT images, and patients were divided into sarcopenia and non-sarcopenia groups.Grade≥3 AAR was diagnosed based on CTCAE5.0 and acute radiation injury criteria of the US RTOG.Risk factors for developing grade≥3 AAR were analyzed, and survival rates were calculated by Kaplan-Meier method. Results Among 132 patients with ESCC (87 in the sarcopenia group and 45 in the non-sarcopenia group), 23(17.4%) experienced grade≥3 AAR.In multivariate regression analysis, independent risk factors for grade ≥3 AAR included the following: sarcopenia (OR: 6.034, 95%CI: 1.206-30.190, P=0.029), decreased SMD (OR: 0.693, 95%CI: 0.492-0.976, P=0.036), decreased SMI (OR: 0.841, 95%CI: 0.721-0.982, P=0.028), and increased FMI (OR: 2.433, 95%CI: 1.194-4.958;P=0.014).The OS rates were 16.01 months (95%CI: 14.89-17.13) in the sarcopenia group and 19.27 months (95%CI: 14.45-24.09) in the non-sarcopenia group (χ2=5.326, P=0.021) as well as 14.86 months (95%CI: 11.30-18.42) for patients with grade≥3 AAR and 16.67 months (95%CI: 14.91-18.43) for patients with grade 0-2 AAR (χ2=5.47, P=0.019).Among patients with grade≥3 AAR, the OS rates were 12.13 months (95%CI: 10.15-14.11) in the sarcopenia group and 18.69 months (95%CI: 12.85-21.88) in the non-sarcopenia group (χ2=4.466, P=0.035). Conclusion Sarcopenia, decreased skeletal muscle density, and increased fat mass are important predictors of grade≥3 AAR.The OS of patients with sarcopenia and grade≥3 AAR may be reduced.
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Formulating codes of ethics for nurses are not only the need of establishing nurses’ professional image and dignity, but also the demand of nursing discipline development. By combing the relevant documents of codes of ethics for nurses at home and abroad, this paper summarized the main contents and application of codes of ethics for nurses, found that codes of ethics for nurses were based on the basic principle of "patient-oriented", discussing the relationship between nurses and patients, collaborators, environment, society, specialty and personal development, and forming the constraint standard for nurses’ behavior in combination with the expectation of local cultural values for nursing industry. The codes of ethics for nurses in China need to further clarify the scope of nursing, formulate behavioral norms in various specialties, and through clinical evaluation, education, management and other aspects to promote its popularization and implementation.
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Objective:To evaluate the gastric emptying of orally administered enzyme-hydrolyzed rice flour solution before surgery in the patients undergoing laparoscopic cholecystectomy and effect on insulin resistance.Methods:One hundred patients, of American Society of Anesthesiologists physical status Ⅰ or Ⅱ, aged 18-64 yr, with body mass index of 19-30 kg/m 2, scheduled for elective laparoscopic cholecystectomy under general anesthesia, were divided into 2 groups ( n=50 each) using a random number table method: water group (group C) and enzyme-hydrolyzed rice flour group (group M). Routine fasting and water deprivation were executed at 1 day before operation in two groups, and 300 ml water in group C or 300 ml enzyme-hydrolyzed rice flour solution in group M were taken orally at 2-3 h before induction on the day of surgery.Bedside antrum ultrasonography was used to calculate the gastric volume (GV) before oral administration (V 0), immediately after oral administration (V 1), and before induction (V 2), and then the ΔGV (GV 1-GV 0) was calculated.Fasting plasma glucose and insulin CONCENTRATIONS were measured on admission to hospital (T 1) and on an empty stomach on 1st morning after surgery (T 2), and then the homeostasis model assessment of insulin resistance (HOMA-IR) was calculated according to HOMA steady-state model formula.Visual analog scale (VAS) scores for subjective comfort (thirst, hunger, fatigue and anxiety) and grip strength were assessed before anesthesia (T 3) and before leaving PACU (T 4). Reflux and aspiration during induction, nausea and vomiting within 24 h after surgery, and anal exhaust time after surgery were recorded. Results:There was no significant difference in GV at V 0, V 1 and V 2 between the two groups ( P>0.05). Compared with the baseline at V 0, no significant was found in the GV at V 2 in both groups ( P>0.05). The fasting plasma glucose and insulin concentrations and HOMA-IR were significantly increased at T 2 than at T 1 in both groups ( P<0.05 or 0.01). Compared with group C, the fasting plasma glucose and insulin concentrations and HOMA-IR were significantly decreased at T 2, VAS scores for hunger, fatigue and anxiety were decreased at T 3, 4, grip strength was increased at T 3, 4, the postoperative anal exhaust time was shortened, and the incidence of nausea was reduced in group M ( P<0.05). No reflux and aspiration happened during induction in either group. Conclusion:The gastric emptying of 300 ml enzyme-hydrolyzed rice flour solution orally administered at 2 h before surgery is normal in the patients undergoing laparoscopic cholecystectomy, which does not increase the risk of reflux and aspiration during anesthesia induction, reduces postoperative insulin resistance, and increases patient′s subjective comfort, and enhances the postoperative recovery of intestinal function.
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Objective To explore the effect of nutritional support based on clinical nursing pathway on nutritional status and quality of life among elderly inpatients with Alzheimer disease (AD). Methods A total of 101 elderly inpatients with AD who met the criteria of the protocol were consecutively enrolled and randomly divided to study group receiving nutritional support based on clinical nursing pathway for two months (n = 51) and control group receiving routine nutritional management for 2 months (n =50). Nutritional risk and quality of life were measured by nutritional risk screening 2002 (NRS 2002) and Quality of Life-Alzheimer's Disease Scale (QOL-AD) respectively before and after nutritional support. Results Baseline data were comparable between the two groups (all P>0. 05). After 2-month nutritional support, compared to the control, the incidence of nutritional risk (36. 0% vs 17. 6%, P = 0. 037) and undernutrition (26. 0% vs 9. 8%, P = 0. 033) decreased significantly in study group. The score of quality of life in study group were significant higher than that of control group (35. 73±5. 85 vs 30. 76±6. 14, P = 0. 023). Conclusion The nutritional support based on clinical nursing pathway is helpful to improve the nutritional status and quality of life in elderly hospitalized patients with AD.
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Objective@#To explore the effect of nutritional support based on clinical nursing pathway on nutritional status and quality of life among elderly inpatients with Alzheimer disease (AD).@*Methods@#A total of 101 elderly inpatients with AD who met the criteria of the protocol were consecutively enrolled and randomly divided to study group receiving nutritional support based on clinical nursing pathway for two months (n=51) and control group receiving routine nutritional management for 2 months (n=50). Nutritional risk and quality of life were measured by nutritional risk screening 2002 (NRS 2002) and Quality of Life-Alzheimer's Disease Scale (QOL-AD) respectively before and after nutritional support.@*Results@#Baseline data were comparable between the two groups (all P>0.05). After 2-month nutritional support, compared to the control, the incidence of nutritional risk (36.0% vs 17.6%, P=0.037) and undernutrition (26.0% vs 9.8%, P=0.033) decreased significantly in study group. The score of quality of life in study group were significant higher than that of control group (35.73±5.85 vs 30.76±6.14, P=0.023).@*Conclusion@#The nutritional support based on clinical nursing pathway is helpful to improve the nutritional status and quality of life in elderly hospitalized patients with AD.
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Objective To evaluate the effectiveness of family-centered educational intervention on fall prevention knowledge and attitude,compliance and fall incidence of elderly inpatients. Methods A total of 300 elderly inpatients were selected in a first-class grade A hospital in Beijing and divided into the experiment group and the control group equally.The intervention group was given family-centered educational intervention for 6 months,while the control group was given conventional treatment and care in ward.The knowledge and attitude,compliance and the incidence of falls of elderly inpatients were evaluated at discharge and 3 months,6 months after discharge. Results The knowledge and attitude, compliance of elderly inpatients in the intervention group were significantly better than that in the control group (P<0.05).The incidence of falls in the intervention group was significantly lower than that in the control group at discharge and 3 months,6 months after discharge (P<0.05). Conclusions The family-centered educational intervention can enhance the fall prevention knowledge, attitude and compliance of elderly inpatients effectively and reduce the incidence rate of falls.The long-term effect is relatively obvious.
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Unplanned extubation (UEX) is defined as premature removal of the indwelling catheter tube by a patient (deliberate unplanned extubations) or by staff during nursing and medical care (accidental extubations). UEX, either deliberate or accidental, can cause severe damage of patients, with the increasing of hospital costs and medical disputes. Identifying high-risk patients is the key point of reducing UEX. This review conclude risk assessment tools reported for UEX.
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BACKGROUND:The physical properties and chemical composition of teeth are very similar with human bone tissue, and there are a larger proportion of inorganic components. Therefore, tooth can be considered as a potential repair material for autologous or alogeneic bone defects. OBJECTIVE:To prepare polyetheretherketone/odontogenic biphasic bioceramic composite, and to test its mechanical properties. METHODS: The humanin vitro teeth of clinical waste were colected. The organic components were removed after a preliminary calcination. Another calcination was conducted after soaking in diammonium phosphate solution for 24 hours to prepare the biphasic ceramics with the main components of hydroxyapatite and β-tricalcium phosphate. The biphasic ceramics were ground and sieved using 200-mesh sieve folowed by impregnation in organic foam to prepare polyetheretherketone/odontogenic biphasic bioceramics. Phase analysis, scanning electron microscopy, elemental analysis, porosity, compressive strength and bond strength test were conducted. RESULTS AND CONCLUSION:Polyetheretherketone/odontogenic biphasic bioceramics presented porous network structure and interconnected holes, with the aperture of 100-800 μm, porosity of 73.65%, compressive strength of (165.260±11.703) N, bond strength of (14.63±6.21) MPa. P element content accounted for 19.8%, and Ca element content accounted for 40.5%. The main phases were β- tricalcium phosphate and hydroxyapatite. These results demonstrate that polyetheretherketone/odontogenic biphasic bioceramics have good mechanical properties.
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Serum levels of CXC chemokine ligand 10 (CXCL10) and chemokine receptor 3 (CXCR3) were determined in 50 patients with type 1 diabetes mellitus (T1 DM) and 30 normal control subjects by ELISA method.The results showed that serum levels of CXCL10 and CXCR3 in T1DM patients were significantly higher than those in normal subjects [(258.17 ± 39.12 vs 96.47 ± 26.91) ng/L,(851.87 ± 70.04 vs 441.82 ± 72.24) pg/ml,both P<0.05].Serum level of CXCL10 in patients dropped sequentially with durations of diabetes <6 weeks,≥6 weeks or <3 years,and ≥ 3 years,being statistically significant between groups (P<0.05).These results suggest that serum levels of CXC10 and CXCR3 may reflect the immune activity in T1DM.
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Human carboxylesterase 1 (HCE1), belonging to a multigene serine hydrolase family, is a major liver carboxylesterase responsible for the hydrolysis and metabolism of various xenobiotics. It also plays an important role in the transportation and metabolism of endogenous cholesterol ester and free fatty acid, and is closely associated with the pathogenesis of hepatocellular carcinoma. This review describes current developments in the molecular structure, the roles in drug, toxins and lipid metabolism, and the early diagnosis for hepatocellular carcinoma of human carboxylesterase 1.
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Humanos , Hidrolases de Éster Carboxílico , Genética , Fisiologia , Carcinoma Hepatocelular , Diagnóstico , Ésteres do Colesterol , Metabolismo , Ácidos Graxos não Esterificados , Metabolismo , Neoplasias Hepáticas , Diagnóstico , Xenobióticos , MetabolismoRESUMO
<p><b>OBJECTIVE</b>To find out the morphological regularity of root canal in the primary tooth.</p><p><b>METHODS</b>Through transparent specimen of a set of deciduous teeth, the shape of root canal was observed under stereomicroscope.</p><p><b>RESULTS</b>Among the deciduous anterior teeth, 92% were single canal except for one single-double mixed canal. Maxillary deci-duous molar had 3 canals and mandibular deciduous molar had 4 canals, lateral canal and anastomosis between the root canals were popular in deciduous molar.</p><p><b>CONCLUSION</b>Deciduous root canal morphology is simple in anterior teeth and comparatively complex in molar.</p>
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Humanos , Cavidade Pulpar , Mandíbula , Maxila , Dente Molar , Tratamento do Canal Radicular , Raiz Dentária , Dente DecíduoRESUMO
A robust,selective and highly sensitive chemiluminescent (CL) platform for protein assay was presented in this paper.This novel CL approach utilized rolling circle amplification (RCA) as a signal enhancement technique and the 96-well plate as the immobilization and separation carrier.Typically,the antibody immobilized on the surface of 96-well plate was sandwiched with the protein target and the aptamer-primer sequence.This aptamer-primer sequence was then employed as the primer of RCA.Based on this design,a number of the biotinylated probes and streptavidin-horseradish peroxidase (SA-HRP) were captured on the plate,and the CL signal was amplified.In summary,our results demonstrated a robust biosensor with a detection limit of 10 fM that is easy to be established and utilized,and devoid of light source.Therefore,this new technique will broaden the perspective for future development of DNA-based biosensors for the detection of other protein biomarkers related to clinical diseases,by taking advantages of high sensitivity and selectivity.
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A robust, selective and highly sensitive chemiluminescent (CL) platform for protein assay was presented in this paper. This novel CL approach utilized rolling circle amplification (RCA) as a signal enhancement technique and the 96-well plate as the immobilization and separation carrier. Typically, the antibody immobilized on the surface of 96-well plate was sandwiched with the protein target and the aptamer-primer sequence. This aptamer-primer sequence was then employed as the primer of RCA. Based on this design, a number of the biotinylated probes and streptavidin-horseradish peroxidase (SA-HRP) were captured on the plate, and the CL signal was amplified. In summary, our results demonstrated a robust biosensor with a detection limit of 10 fM that is easy to be established and utilized, and devoid of light source. Therefore, this new technique .will broaden the perspective for future development of DNA-based biosensors for the detection of other protein biomarkers related to clinical diseases, by taking advantages of high sensitivity and selectivity.
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Hsc70-SNCG fusion protein cDNA fragment containing signal peptide sequence of Igkappa, MMP9, and P37 was inserted into the vector pVAX1 to construct recombinant plasmid pVAX-Igkappa-Hsc70-SNCG, pVAX-MMP9-Hsc70-SNCG, and pVAX-P37-Hsc70-SNCG. Three eukaryotic vectors were constructed and verified by restriction enzyme digestion and sequencing. After transfection with recombination plasmids in QM-7 cells, the transient expression and secretion of three fusion proteins were detected by ELISA and Western Blot. The results suggested that Hsc70-SNCG carrying three different signal peptides could be expressed and secreted by transfected cells, and three signal peptides effectively directed secretion of fusion protein by QM-7 cells. BALB/c mice were immunized by three plasmids using gene gun system. The serum levels of anti-SNCG antibodies in mice were measured by ELISA. The results showed that three secreted plasmids could stimulate humoral immune responses to SNCG in mice, which depended on the secreted expression levels induced by signal peptides.