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The myelin sheath of the central nervous system(CNS)is a multilayer lipid membrane with oligodendrocyte membrane surrounding the axon.The development of myelin sheath in children follows the corresponding laws of time and space, and this process of myelination is considered to be related to children′s proper behavior and function.The myelin sheath development of CNS in childhood is a multi-step and extremely complex process, and the integrity of myelin sheath plays a crucial role in shaping CNS function.At present, it has been found that many neurological diseases in children, such as multiple sclerosis, transverse myelitis and pediatric optic neuritis are closely related to myelin sheath abnormality.Therefore, this paper reviews the progress of myelin sheath development and related diseases in childhood, so as to provide a basis for clinical diagnosis and treatment of myelin sheath abnormalities.
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BackgroundThe mental health level of the prison police is relatively low, so finding innovative ways to improve the mental health of them is of great significance for the safety of prison supervision and the implementation of peaceful China initiative. ObjectiveTo explore the relationship between perceived social support, perceived stress and psychological resilience with mental health of prison police, and to provide references for improving their mental health. MethodsIn March 2022, 424 policemen working in a male prison in a western province were selected by cluster sampling method, and investigated with the Perceived Social Support Scale (PSSS), Chinese Perceived Stress Scale (CPSS), Connor-Davidson Resilience Scale (CD-RISC) and General Health Questionnaire 20 (GHQ-20), then Process 4.2 was used employed to verify the mediating role of perceived stress as well as the moderating role of psychological resilience in the relationship between perceived social support and mental health. Results①Male subjects scored higher on GHQ-20 than female subjects (t=2.095, P<0.05). ②CPSS score was negatively correlated with PSSS and GHQ-20 scores (r=-0.670, -0.703, P<0.01), and GHQ-20 score showed a positive correlation with PSSS and CD-RISC scores (r=0.580, 0.693, P<0.01). ③Perceived social support positively predict mental health (β=0.154, 95% CI: 0.133~0.175, P<0.01). ④Perceived stress played a mediating role in the relationship between perceived social support and mental health, and the mediation effect size was 0.087, accounting for 88.78% of the total effect (95% CI: 0.064~0.112, P<0.01). ⑤Psychological resilience played a moderating role in the second half (perceived stress→mental health) of the mediating path of "perceived social support→perceived stress→mental health"(β=0.074, 95% CI: 0.046~0.102, P<0.01). ⑥Psychological resilience also regulated the mediation effect of perceived stress on the relationship between perceived social support and mental health [three regression coefficients tested in turn are significant: a=-0.537 (95% CI: -0.594~-0.480, P<0.01), b1=-0.162 (95% CI: -0.197~-0.127, P<0.01), b3=0.074 (95% CI: 0.046~0.102, P<0.01)]. ConclusionPerceived social support of prison police has an impact on their mental health both directly and indirectly through perceived stress. In addition, perceived social support of prison police has a moderated mediation effect on mental health, and it is partially moderated by psychological resilience.[ Funded by General Project of Sichuan Prison Administrative Bureau in 2022]
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@#Objective To explore the short-term efficacy and safety of pembrolizumab combined with chemotherapy in the neoadjuvant treatment of non-small cell lung cancer. Methods The clinical data of 11 male patients with non-small cell lung cancer who underwent pembrolizumab combined with neoadjuvant chemotherapy in the Department of Thoracic Surgery, the First Affiliated Hospital of Xi'an Jiaotong University from December 2019 to June 2021 were retrospectively analyzed. The average age of the patients was 52.0-79.0 (62.0±6.9) years. The imaging data and pathological changes before and after neoadjuvant treatment were compared, and adverse reactions during neoadjuvant treatment were recorded. Objective remission rate (ORR) and main pathological remission rate (MPR) and pathological complete remission rate (pCR) were the main observation endpoints. Results After preoperative neoadjuvant therapy with pembrolizumab combined with platinum or paclitaxel, all patients successfully underwent thoracoscopic radical resection of lung cancer. The ORR was 72.7%, and the MPR was 81.8%. Among them, 45.5% of patients achieved pCR. The main adverse reactions were hypoalbuminemia, decreased appetite and nausea. The mortality rate within 30 days after surgery was 0, and no tumor metastasis was observed. Conclusion Pembrolizumab combined with neoadjuvant chemotherapy is safe and feasible to treat non-small cell lung cancer, and the short-term efficacy is beneficial.
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Objective:To investigate the application of PDCA cycle management combined with "three-step" bedside teaching in respiratory nursing teaching.Methods:A total of 80 nursing students who studies in Department of Respiratory Medicine, Beijing Chaoyang Hospital Affiliated to Capital Medical University, were included as subjects, and they were divided into control group and observation group using a simple random number table, with 40 students in each group. The students in the control group received traditional teaching, while those in the observation group received PDCA cycle management combined with "three-step" bedside teaching. The two groups were compared in terms of the scores of theoretical knowledge, operation skills, and physical examination, comprehensive clinical nursing ability, and degree of satisfaction with teaching. SPSS 22.0 was used to perform the chi-square test and t-test. Results:The observation group had significantly higher scores of theoretical knowledge, operation skills, and physical examination than the control group ( P<0.05). Compared with the control group, the observation group had significantly higher scores of nursing consultation, physical examination, diagnosis, nursing measures, health consultation, humanistic care, organizational effectiveness, and overall evaluation ( P<0.05). The observation group had a significantly higher degree of satisfaction with teaching than the control group ( P<0.05). Conclusion:PDCA cycle management combined with "three-step" bedside teaching in respiratory nursing teaching can improve the assessment scores of theoretical knowledge, operation skills, and physical examination among nursing students, enhance their comprehensive clinical nursing abilities, and increase the degree of satisfaction.
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Objective:To explore the current status and influencing factors of polypharmacy burden in inpatient with elderly comorbidity.Methods:Convenience sampling method was used to select 393 in patients with elderly comorbidity of multiple medications who were hospitalized in North China University of Science and Technology Affiliated Hospital from September 2020 to January 2021 as the research object, using the general situation questionnaire, the Living with Medicines Questionnaire (LMQ), the Perceived Social Support Scale (PSSS), the Medication Compliance Scale (Morisky Scale) to investigate. Descriptive analysis of general data characteristics and polypharmacy burden scores were performed, and t-test, variance analysis, and multiple linear stepwise regression analysis were used to analyze influencing factors. Results:The polypharmacy burden for inpatient with elderly comorbidity was (136.95 ± 22.34) points, and the score rate was 70.23%, which was at a moderately high level. Multi-factor analysis showed that age, education level, personal monthly income, the number of illnesses, the number of medications, the duration of medication, social support, and medication compliance were independent factors influencing polypharmacy burden in inpatient with elderly comorbidity ( R 2=0.821, adjusted R 2=0.818, F=220.65, P<0.001). Conclusions:The polypharmacy burden in inpatient with elderly comorbidity is at a moderately high level. It is recommended that medical staff should develop individualized nursing interventions to reduce the polypharmacy burden for the factors that affect the burden of multiple medications for this population.
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@#Surgery is a classic traditional method for the treatment of early-stage esophageal cancer, and it is also recognized as an effective first-choice method in the medical community. With the development of endoscopic technology, esophagus-preserving comprehensive treatment of esophageal cancer has almost the same or even better effects in some aspects in the treatment of early esophageal cancer than surgery. Many clinical guidelines have also recommended it as the first-choice treatment for early esophageal cancer. The room for surgical treatment of esophageal cancer has been further compressed. This article discusses the comprehensive treatment model of esophageal cancer from the perspective of thoracic surgery, aiming to find a new position of thoracic surgery in the treatment of esophageal cancer.
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Acupuncture is an important alternative therapy in treating major depressive disorder (MDD), but its efficacy and safety are still not well assessed. This study is the first network meta-analysis exploring the effectiveness and safety of acupuncture, common pharmacological treatments or other non-medication therapies for MDD. Eight databases including PubMed, Embase, Allied and Complementary Medicine Database, Cochrane Library, Wan Fang Data, China National Knowledge Infrastructure, China Biology Medicine disc, and Chongqing VIP Database were searched up to Jan 17, 2021. Articles were screened and selected by two reviewers independently. We used the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach to assess the certainty of the evidence. A total of 71 eligible studies were included. The network analysis results indicated that the combined interventions of electro-acupuncture (EA) with selective serotonin reuptake inhibitors (SSRIs) and manual acupuncture (MA) with SSRIs were more effective in improving depression symptoms compared with acupuncture alone, pharmacological interventions alone, or other inactive groups. Among all the regimens, EA with SSRIs was found to have the highest effect in improving depression symptoms of MDD. In addition, there were slight differences in the estimations of the various treatment durations. The combination of acupuncture and serotonin-norepinephrine reuptake inhibitors (SNRIs) was found to be more effective than SNRIs alone. In conclusion, acupuncture and its combinations could be safe and effective interventions for MDD patients. EA with SSRIs seems to be the most effective intervention among the assessed interventions. Well-designed and large-scale studies with long-term follow-up should be conducted in the future.
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Terapia por Acupuntura/métodos , Acupuntura , Trastorno Depresivo Mayor/terapia , China/epidemiología , Manejo de Datos , Trastorno Depresivo Mayor/epidemiología , Trastorno Depresivo Mayor/patología , Femenino , Humanos , Masculino , Metaanálisis en Red , Inhibidores Selectivos de la Recaptación de Serotonina/uso terapéuticoRESUMEN
BACKGROUND@#Lung cancer has the highest mortality in China. Different treatments are of great significance to the prognosis of patients. By comparing stage Ia non-small cell lung cancer (NSCLC) patients' survival rates for ablation and for sub-lobectomy, we studied the difference in the effects of the two treatments on patient prognosis.@*METHODS@#Using the Surveillance, Epidemiology, and End Results (SEER) database, we screened eligible patients with stage Ia NSCLC from January 2004 to December 2015. Then, 228 patients treated with ablation and 228 patients treated with sub-lobotomy were then selected based on propensity score matching. After stratification, matching, and adjustment the Kaplan-Meier analysis was performed to compare the overall survival rates of patients treated with the two procedures.@*RESULTS@#The Kaplan-Meier survival analysis showed that there is a significant difference between the ablation group and the sub-lobectomy group (P<0.05). In the univarlable analysis, the hazard ratio (HR) of sub-lobotomy group was 0.571 (95%CI: 0.455-0.717) compared with the ablation group. Patients treated with sub-lobectomy had a 0.571 times greater risk of adverse outcomes than those treated with ablation. In the multivariable analysis, the HR for sub-lobectomy group was 0.605 (95%CI: 0.477-0.766) compared with the ablation group. Patients treated with sub-lobectomy had a 0.605 time greater risk of adverse outcomes than those treated with ablation. The results suggested that the overall survival rate of patients with stage Ia NSCLC treated with sub-lobotomy was higher than that of patients treated with ablation.@*CONCLUSIONS@#This study suggests that there is a significant difference in overall survival of stage Ia NSCLC patients treated with ablation and with sub-lobotomy. Patients treated with sub-lobotomy for stage Ia NSCLC had higher overall survival than those treated with ablation.
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Objective@#To sequence the 3′UTR of enterovirus 71 strains, investigate its foundation and impact in virulence by constructing a 3′UTR-replaced recombinant cDNA infectious clone.@*Methods@#Viral RNA of EV-A71 isolated viruses were extracted, and the nucleotide analysis was performed after sequencing. The 3′UTR of a full-length infectious clone of SDLY107 strain was replaced by its corresponding part of SDLY1 strain, and then the recombinant virus was constructed and identified.@*Results@#The nine isolated strains were classified into sub-genotype C4a of enterovirus (EV)-A71 by analysis, and nucleotide sequence homology for 3′UTR were 94%-100%. 3′UTR of EV-A71 strains may be associated with its pathogenicity. Identification of the rescued virus by sequencing and indirect immunofluorescence confirmed the successful construction of infectious recombinant virus.@*Conclusions@#Sequence analysis indicated that the 3′UTR may be involved in the pathogenicity of EV-A71. The recombinant virus SDLY107(1-3′UTR) was rescued successfully. Our study may provide evidence for further research on the influence of 3′UTR on the virulence of enterovirus 71.
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Objective@#To investigate the relationship between enterovirus 71 (EV71) and autophagy and the effect of autophagy on viral replication.@*Methods@#RD cells were pretreated with rapamycin, Chloroquine (CQ) and 3-methyladenine (3-MA). The effects of different stages of autophagy on viral replication were detected by Western blotting and plaque assay.@*Results@#The study showed that EV71 infection could induce incomplete autophagy in RD cells. Replication of EV71 was promoted in the CQ treatment group, while the level of replication of the rapamycin and 3-MA treatment groups was reduced. Further studies have shown that mTOR is a key molecule affecting EV71 replication, and inhibition of mTOR by rapamycin can inhibit the synthesis of viral RNA.@*Conclusions@#The effects of different stages of autophagy on viral replication are also different. Inhibition of autophagic lysosome degradation promotes viral replication, while inhibition of the early stage of autophagy or promotion of autophagy reduces the level of viral replication. mTOR can affect the replication of EV71 at RNA level.
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Type Ⅶ secretion system(T7SS) is a novel and specialized secretion system discovered in recent years. It was first found in Mycobacterium tuberculosis. Type Ⅶ secretion system is involved in the secretion of virulence-associated proteins, the interaction between pathogens and hosts and the balance of zinc/iron ions. Moreover,it plays a critical role in the growth and pathogenesis of Mycobacteria. This review summarizes the components,substrates and translocation mechanisms of the type Ⅶ secretion system and its relation to the virulence of Mycobacteria aiming to provide references for developing novel strategies for disea-ses diagnosis,treatment and prevention.
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Objective@#To study the sequence characteristics and variation of HIV-1 Vpr gene in different parts of an AIDS dementia complex (ADC) patient and provide basis for the study of the neurologic pathogenesis of HIV-1-assciatd dementia.@*Methods@#Genomic DNA was extracted from peripheral samples (lymph nodes, spleen, liver) and central nervous system (meninges, frontal lobe, temporal lobe gray matter, frontal white matter, basal ganglia cortex) of an ADC patient, The Vpr gene was amplified with nested polymerase chain reaction (PCR). PCR products were cloned into the pMD19-T vector. After transformation into DH5α competent E. coli, five positive clones were sequenced. The phylogenetic tree was built and genetic distance was calculated through MEGA6, and the values of ds/dn was calculated through SNAP, then the changes of the amino acid sites were analyzed.@*Results@#HIV-1 Vpr genes isolated from different tissues of the ADC patient had variations. Vpr HIV-1 gene sequences from central nervous system and peripheral tissues were intercrossed together in the phylogenetic tree. Central nervous system and peripheral HXB2 Vpr had no significant differences in genetic distance. The ds/dn of all the HIV-1 Vpr gene sequences were 3.3749.@*Conclusions@#The HIV-1 Vpr sequences were different in the ADC patient, and there were different variations in different parts of the peripheral and central regions. Whether these variations are related to the pathogenesis of ADC remains to be further studied.
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Oncolytic virus therapy is becoming a new direction for cancer treatment, which could take the advantage of the characteristic of oncolytic virus selectively replicating in cancer cells, and killing tumor cells without damaging normal cells. Compared with conventional chemotherapy or radiotherapy, it has higher specificity, fewer side effects and the ability resisting various kinds of malignant tumors. Newcastle disease virus, a typical oncolytic virus, can cause Newcastle disease in poultry. However, no serious symptoms occurred after human being infected with NDV. With the development of reverse genetics technology, it is possible to enhance the anti-tumor activity of NDV by promoting membrane fusion and apoptosis with gene recombination. The review is about the recent research progress in vitro and in vivo oncolytic experiments and clinical application of NDV at home and abroad, which aimed at providing scientific reference for the anti-tumor study of NDV in the future.
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Objective@#To identify the function of 91-112 amino acids (aa) fragment, the interaction domain of head and stalk of Newcastle disease virus(NDV) HN glycoprotein, and clarify the role of the fragment in promoting cell specific membrane fusion.@*Methods@#The specific gene sequences were identified by aligning 91-112 amino acids of NDV HN protein with amino acids of MeV H, RSV G, hPIV3 HN protein. The fragment deletion, fragment substitution and intermolecular homologous recombination method were combined to construct the deletion mutant, De(HN), and three chimeras, Ch(MeV), Ch(RSV), Ch(hPIV3). Cationic transfection reagent was used to transfect the plasmids into baby hamster kidney cells (BHK-21), in which vaccinia virus-T7 RNA polymerase expression system was expressed. Indirect immunofluorescence assay (IIFA) and flow cytometry (FCM) were executed to analyze the cell surface expression level. Cell fusion promotion activity, receptor recognition activity and neuraminidase activity of each mutant were also detected.@*Results@#Cell surface expression efficiency of De(HN) and Ch(MeV), Ch(RSV), Ch(hPIV3) proteins were 9.04%, 82.20%, 70.16%, 75.65% of that of wild-type (wt) HN. Fusion promotion activity of De(HN), Ch(MeV), Ch(RSV), Ch(hPIV3) were 3.83%, 24.76%, 29.42%, 57.84% of that of wt HN. The fusion promotion activity of De(HN) almost disappeared and syncytium couldn’t be found under the microscope. Hemadsorption activity was 13.48%, 36.25%, 34.93%, 65.22%, respectively (P<0.05), which was consistent with the fusion promotion activity of mutant proteins. Neuraminidase activity was 10.81%, 54.42%, 50.13%, 60.35% of that of wt HN, respectively (P<0.05).@*Conclusions@#The amino acids fragment (91-112) of NDV HN protein plays an important role in promotion fusion. The loss of fusion promotion activity of De(HN) protein was related to the failure of effective cell surface expression of the mutant.
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Objective@#BG-derived HIV-1 Tat protein from an HIV-associated dementia (HAD) patient was expressed in E. coli BL21(DE3) and purified in order to research the effects on human umbilical vein endothelial cells (HUVECs) activity.@*Methods@#The recombinant plasmid pGEX-KG-tat with HIV-1 tat stored in our laboratory was amplified by PCR. The PCR product was cloned into pET-32a-tat. The recombinant plasmid pET-32a-tat was transfected into E. coli, and Tat protein was expressed in BL21(DE3), which was induced by IPTG. Then it was purified by Ni-chelating chromatography column and gel filtration preloaded column, and identified by SDS-PAGE and Western blot(WB). The concentration was determined by BCA Kit. Different concentrations of Tat were added into HUVECs to detect their effects on cell activity by cck-8.@*Results@#The Tat with high purity was efficiently expressed in BL21 (DE3) and obtained by using the Ni-chelating chromatography column and gel filtration preloaded column. The concentration was 0.47 mg/ml by using BCA Kit. As the concentration of Tat increased, HUVECs activity decreased. There was no significant difference in cells viability between negative control with 100 ng/ml and 200 ng/ml group (P>0.05). There was significant difference in cells viability between negative control with 300 ng/ml, 400 ng/ml, 500 ng/ml and 1000 ng/ml group (P<0.05). But the difference between 300 ng/ml, 400 ng/ml, 500 ng/ml and 1000 ng/ml group was not statistically significant (P>0.05).@*Conclusions@#The HIV-1 Tat with biological activity was efficiently expressed in BL21 (DE3), and the activity of HUVECs was significantly decreased when the concentration reached 300 ng/ml.
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The family Paramyxoviridae is a group of viruses that significantly affect human and animal health. Paramyxoviruses are generally thought to enter host cells by direct fusion of the viral and host cell membranes. Membrane fusion, essential for syncytium formation, is not only a pathological hallmark of paramyxoviral infections, but also a kind of mechanism of cell-to-cell viral spread. Nevertheless, the process of membrane fusion is highly conserved, only consisting of two-component fusion apparatus: an attachment protein (HN/G/H) and a fusion (F) protein. However, there is a significant knowledge gap on the mechanism(s) by which HN/H/G couples receptor binding to F-triggering, since different attachment proteins possess special triggering process. In this review, we summarize the general property and distinction of the fusion process during paramyxoviral infection for further research on the pathogenic mechanism.
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Objective To evaluate the clinical efficacy of intravitreal injection of ranibizumab combined with panretinal photocoagulation for severe non-proliferative diabetic retinopathy.Methods Sixty-four cases (90 eyes) with severe non-proliferative diabetic retinopathy from July 2014 to June 2016 in our hospital were randomly divided into two groups according to the digital table.The observation group (32 cases,46 eyes) underwent intravitreal injection of reizumab combined with panretinal photocoagulation,and the control group (32 cases,44 eyes) were treated with only panretinal photocoagulation.The visual acuity,fundus,fundus fluorescein angiography and macnlar thickness postoperative 1 month,3 months,6 months were observed and detected.The mean thickness of the retinal neuroepithelium in the macular region and total volume of the 6 mm diameter neuroepithelium in the macular area were compared and statistically analyzed.The laser energy,number of spots and energy density were calculated and recorded.Results BCVA at postoperative 1 month,3 months,6 months in the observation and the control group were better than that before treatment(all P < 0.05),and the observation group was better than the control group (all P < 0.05).In the control group,BCVA had no statistically significant difference between 3 months and 6 months (P > 0.05),and the differences were statistically significant among other time points (all P < 0.05).In the observation group,the differences were statistically significant among all time points after treatment (all P < O.05).In the comparison of mean thickness of the retinal neuroepithelium in the macular region and total volume of the 6 mm diameter neuroepithelium in the macular area in the control group and the observation group before and after treatment,there were statistically significant differences at different time points between the two groups (all P < 0.05).Moreover,the average thickness of the retinal neuroepithelium and total volume of 6 mm diameter neuroepithelium in the macular region at postoperative 1 month,3 months,6 months were better than those in the control group (all P < 0.05).The laser energy,spot number and energy density of the observation group were significantly lower than those of the control group (all P < 0.05).Conclusion Intravitreal injection of ranibizumab combined with panretinal photocoagulation for severe non-proliferative diabetic retinopathy can accelerate retinal neovascularization in a short period of time,reduce macular edema and improve the visual function of patients with less laser energy,the curative effect is better than application of retinal laser photocoagulation alone,is worthy of clinical promotion.
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Human parainfluenza viruses (hPIVs), a series of single-stranded RNA viruses of Paramyxoviridae, are the main pathogen of respiratory tract infection. hPIV3 is the main cause of lower respiratory tract infection leading to bronchiolitis and pneumonias in young children under the age of six months, and it is the second major pathogen only next to respiratory syncytial virus (RSV). In this paper, we mainly discuss two kinds of virulence-related surface glycoprotein of hPIV3: hemagglutinin-neuraminidase (HN) protein and fusion protein (F) by briefly introducing the protein structure and physiological functions of HN and F. According to the latest research progress, we focus on the models which have been postulated to explain how F and HN work in concert to bring about membrane fusion.
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Objective Intradialytic hypotension (IDH) is one of the common complications during hemodialysis,however its diagnostic criteria are highly controversial at present.In order to fully understand the prevalence of IDH in our center and figure out which diagnostic criteria is better for Chinese maintenance hemodialysis (MHD) patients,we choose several IDH definitions by reviewing published literatures and analyze their association with mortality.Methods The patients were recruited from Blood Purification Center of Ruijin Hospital undergoing hemodialysis during July 2012.Pre-,intra-and post-dialysis blood pressure were recorded.Patients' clinical characteristics,laboratory results and cardiac ultrasound results were collected.Based on several IDH definitions,we investigated the prevalence rate of IDH and its frequency among MHD patients.SPSS 23.0 was used to analyze data and conduct survival analysis.Results Totally 219 MHD patients underwent 16084 hemodialysis in 6 months.The prevalence rate,overall and individual frequency of IDH fluctuated between 45.21%-100.00%,4.64%-37.60% and 0.00%-33.00% respectively.For every IDH criteria,the patients were recruited into the group IDH(+) if they ever met the corresponding definition,otherwise the group IDH(-).Survival analysis found that IDH (the criteria of an absolute systolic blood pressure (SBP) < 90 mmHg or with a decrease of SBP≥ 20 mmHg) could decrease the risk of patients' cardiovascular mortality but was not relevant to all-cause mortality.Further analysis showed these patients had better cardiac functions mainly reflecting in lower Pro-BNP (2880 ng/L vs 6909 ng/L),lower prevalence rate of left ventricular hypertrophy (52% vs 83%) and higher left ventricular ejection fraction (65.0% vs 62.5%) than IDH(-) patients.No correlation was found between other IDH criteria and mortality.Conclusions The prevalence rate,overall and individual IDH frequency of IDH are of high variability when diagnosed by different IDH criteria.All IDH episodes defined by our selected definitions are of no association with all-cause mortality.An absolute SBP < 90 mmHg or with a decrease of SBP≥20 mmHg can decrease the risk of cardiovascular mortality due to their better cardiac function.Large scale researches should be conducted to find optimal IDH definition and explore the association of IDH and mortality.
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Objective To study the clinical evaluation of the effect of topical application of Periocline ointment in the adjuvant treatment of periodontitis.Methods100 patients with periodontitis as the research object in this study in Xi'an Jiaotong university school hospital from April 2015 to August 2016 were randomly divided into the control group and the experimental group, 50 cases in each group.The control group were treated with the conventional treatment, at this basis, the experimental group were given Periocline ointment topical application as the auxiliary treatment.Eight weeks after treatment, the clinical treatment and related indicators were compared in the two groups.ResultsThe bleeding index, probing depth and attachment level in the experimental group were significantly better than those in the control group (P<0.05).In the experimental group of 50 patients, the total effective number of cases in the treatment of 48 cases, The total effective rate in the experimental group was 94.0%, which was significantly higher than 88.0% in the control group (P<0.05).ConclusionIt can improve the effective rate that Periocline ointment was local applicated in the adjuvant treatment of periodontitis;it is worthy of clinical application.