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1.
Public Health Nurs ; 2024 Jul 01.
Artículo en Inglés | MEDLINE | ID: mdl-38946500

RESUMEN

AIM AND OBJECTIVES: This study aimed to investigate the intensity of needs for home health care services (HHCs) among elderly patients with chronic diseases and to identify the associated factors. DESIGN: A cross-sectional survey was conducted in Wuhou District, Chengdu, Sichuan Province, China, from April to November 2021. METHODS: Convenient sampling was used to screen elderly patients with chronic diseases managed by Yulin Community Health Service Center. The questionnaires included general information and the Chinese version of the Community Healthy Intensity Rating Scale were completed according to patients' conditions. The data were analyzed using descriptive statistics and binary logistic regression. RESULTS: A total of 371 patients (10.40%) completed the survey. The mean age of the elderly patients was 84.04 years (SD = 7.07); these patients suffered from 1 to 7 kinds of chronic diseases, and the most common were hypertension (78.98%) and diabetes (40.97%). The need intensity of patients for HHCs was moderate (41.51%) or severe (58.49%). For each additional chronic disease that patients suffered from, the need intensity increases by 1.289 times (OR = 1.289; 95% CI: 1.055-1.575, p = .013); in additional, those aged more than 90 years, with a personal monthly income less than 2500 yuan ($387.00), with a poor health current status, and with only basic medical insurance presented greater need intensity (p < .05). CONCLUSION: Our data analysis revealed that economic status, insurance condition, poor health status, and multiple comorbidities may be the most common factors associated with the need intensity for HHCs. These characteristics may help medical staff to identify and help those with urgent health problems.

2.
BMC Nurs ; 23(1): 303, 2024 May 02.
Artículo en Inglés | MEDLINE | ID: mdl-38698388

RESUMEN

BACKGROUND: Primary care providers play an important role in home health care, and their practice behavior is significant for care quality and patient outcomes. This study aimed to assess the home care practice behavior of Chinese primary care providers and to explore the factors associated with the practice behavior. METHODS: A multicenter cross-sectional design with a convenience sample was used to survey 863 registered primary care providers from 62 primary health care settings in Sichuan Province, China. Descriptive statistics, t-test or ANOVA for one-way analysis, and Pearson's correlation analyses were used to compare the differences and examine the relationships between participants' demographics and experience of home care services and practice behavior. Multiple linear regression models were performed to identify salient variables associated with the practice behavior from among demographic and home care experience. RESULTS: The score of home care practice behavior questionnaire was 97.25 ± 21.05. The average scores for the dimensions of home visit preparation, assessment, medical care behavior and safety practice were 3.70 ± 0.95, 3.76 ± 1.02, 3.66 ± 1.03, and 3.20 ± 0.46, respectively. Home care practice behavior was associated with working years, working experience in general hospitals, work area, home care experience such as client types of home care, service frequency and willingness, explaining 21.5% of the total variance. CONCLUSION: Chinese primary care providers had a medium to high level of home care practice behavior but poor implementation of safety practice. The results may provide clues to increased focus and implementation of safety practice, as well as providing targeted measures based on influencing factors.

3.
Nano Lett ; 24(14): 4082-4090, 2024 Apr 10.
Artículo en Inglés | MEDLINE | ID: mdl-38526914

RESUMEN

The generally nonpolar SrTiO3 has attracted more attention recently because of its possibly induced novel polar states and related paraelectric-ferroelectric phase transitions. By using controlled pulsed laser deposition, high-quality, ultrathin, and strained SrTiO3 layers were obtained. Here, transmission electron microscopy and theoretical simulations have unveiled highly polar states in SrTiO3 films even down to one unit cell at room temperature, which were stabilized in the PbTiO3/SrTiO3/PbTiO3 sandwich structures by in-plane tensile strain and interfacial coupling, as evidenced by large tetragonality (∼1.05), notable polar ion displacement (0.019 nm), and thus ultrahigh spontaneous polarization (up to ∼50 µC/cm2). These values are nearly comparable to those of the strong ferroelectrics as the PbZrxTi1-xO3 family. Our findings provide an effective and practical approach for integrating large strain states into oxide films and inducing polarization in nonpolar materials, which may broaden the functionality of nonpolar oxides and pave the way for the discovery of new electronic materials.

4.
BMC Med Educ ; 23(1): 486, 2023 Jun 30.
Artículo en Inglés | MEDLINE | ID: mdl-37391822

RESUMEN

BACKGROUND: An accurate assessment of teaching needs is necessary to ensure targeted teacher training programs are developed and implemented to improve teaching outcomes. The assessment of teaching needs from different perspectives helps to identify teaching needs more accurately. Therefore, based on the different perspectives of teachers and students, this study aimed to identify and evaluate the needs of community practice teachers by measuring discrepancies between perceived teaching importance and actual teaching performance, with a focus on the influencing factors. METHODS: A survey was circulated to 220 teachers in 36 community health service centers and 695 students in 6 medical schools in Southwest China. The participants anonymously completed the teacher or student version of the Chinese version of the Teacher Teaching Needs Questionnaire, which is predominantly used to assess the teaching needs of teachers. Both versions of the questionnaire include 27 items, covering 3 dimensions (including teaching skills, teaching environments, and teaching contents). The ordinal logistic regression was conducted to explore the factors that influenced teaching needs. RESULTS: The teachers and students produced overall self-evaluated teaching needs scores of 0.61 and 0.62 respectively. The teachers from provincial capital cities and low-educated teachers had teaching needs that are lower (OR = 0.641,95% CI: 0.461-0.902, OR = 15.352, 95% CI: 1.253-26.815, separately). Teachers with < 3 years of teaching experience had higher teaching needs (OR = 3.280, 95% CI: 1.153-10.075) than those with > 10 years of experience. Compared with teachers who self-evaluated their teaching outcomes as poor, those who reported extremely excellent (OR = 0.362, 95% CI: 0.220-0.701), excellent (OR = 0.638, 95% CI: 0.426-1.102), and ordinary (OR = 0.714, 95% CI: 0.508-1.034) teaching outcomes had lower teaching needs. Compared with teachers who self-evaluated their teaching abilities as poor, those who reported extremely excellent (OR = 0.536, 95% CI: 0.313-0.934), excellent (OR = 0.805, 95% CI: 0.518-1.269), and ordinary (OR = 0.737, 95% CI: 0.413-1.322) teaching abilities had lower teaching needs. CONCLUSIONS: Greater assistance should be provided to teachers with lower levels of education, fewer than three years of teaching experience, and who are located in non-capital cities, as these individuals require additional efforts to strengthen competencies. The education department should pay more attention to teacher feedback on practical outcomes and teaching abilities, as this can be used to devise the best teacher development plans. TRIAL REGISTRATION: Not applicable.


Asunto(s)
Personal Docente , Estudiantes , Humanos , Estudios Transversales , Escolaridad , Servicios de Salud Comunitaria
5.
Front Oncol ; 13: 1169458, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37256179

RESUMEN

Background: Due to the effectiveness and safety, acupuncture, one of the traditional therapies of Chinese medicine, has been widely used in clinical practice globally. A few systematic review or meta-analyses have proved its effectiveness and safety towards patients with cancer pain, while there are no syntheses among those evidence. The aim of this scoping review is to summarize the evidence from systematic reviews of acupuncture for the treatment of cancer pain and evaluate the breadth and methodological quality of these evidence as well. Methods: The scoping review process was guided by the methodology framework of Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for scoping reviews (PRISMA ScR) and "Arkseyand O'Malley six-stage framework". Electronic searches were carried out in several online databases from inception to Jan 2022. Systematic reviews and meta-analyses that involve any type of acupuncture for patients with cancer pain will be included. A pair of reviewers independently screened full texts. Moreover, review characteristics were extracted, and methodological quality was assessed using the AMSTAR 2 tool. Results: Twenty-five systematic reviews and meta-analyses were included. Manual acupuncture is the most frequently included types of test group intervention (48%), followed by acupuncture + medicine (28%), and auricular acupuncture (12%). All the reviews have declared that acupuncture is an effective method for cancer pain treatment. Eleven reviews (44%) aiming at evaluating the safety also have confirmed that acupuncture is safe for treating cancer pain. However, most included studies were conducted in China. With certain geographical limitations, the findings were not representative within the region. The results of our review may owe to the synthesis of all kinds of cancer pain, and only 2 reviews described the type of cancer pain in detail. Conclusions: This scoping review synthesizes and evaluates existing evidence of acupuncture for cancer pain. From this scoping review of systematic reviews and meta-analyses, there are clear recommendations for future studies: expanding the region of research in the world and trying to conduct the study of different types of cancer pain in details as much as possible. Evidences of acupuncture for cancer pain can inform clinical decision-making. Systematic review registration: https://inplasy.com/inplasy-2022-1-0073/, identifier INPLASY202210073.

6.
Nano Lett ; 23(4): 1522-1529, 2023 Feb 22.
Artículo en Inglés | MEDLINE | ID: mdl-36722976

RESUMEN

Antiferroelectrics characterized by voltage-driven reversible transitions between antiparallel and parallel polarity are promising for cutting-edge electronic and electrical power applications. Wide-ranging explorations revealing the macroscopic performances and microstructural characteristics of typical antiferroelectric systems have been conducted. However, the underlying mechanism has not yet been fully unraveled, which depends largely on the atomistic processes. Herein, based on atomic-resolution transmission electron microscopy, the deterministic phase transition pathway along with the underlying lattice-by-lattice details in lead zirconate thin films was elucidated. Specifically, we identified a new type of ferrielectric-like dipole configuration with both angular and amplitude modulations, which plays the role of a precursor for a subsequent antiferroelectric to ferroelectric transformation. With the participation of the ferrielectric-like phase, the phase transition pathways driven by the phase boundary have been revealed. We provide new insights into the consecutive phase transformation in low-dimensional lead zirconate, which thus would promote potential antiferroelectric-based multifunctional devices.

7.
Microb Pathog ; 175: 106002, 2023 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-36693511

RESUMEN

Influenza A virus (IAV) exploits host metabolic pathways to support its replication. To improve the understanding of lipid metabolic changes that could occur upon IAV infection, a comprehensive analysis of lipid metabolites in A549 cells infected with the avian H9N2 virus at the different time points was performed. It was found that H9N2 infection could largely promote the level of lipid metabolites. Further, these metabolites were mainly included in glycerophospholipids (GPs), sphingolipids (SPs), glycerolipids (GLs), fatty acids (FAs), sterollipids (STs), triglycerides (TGs), and prenol lipids (PRs). Specifically, Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis showed that these metabolites were mainly associated with the glycerphospholipid metabolism, glycosylphosphatidylinositol (GPI)-anchor biosynthesis, and autophagy. Furthermore, it is interesting to note that these metabolites, including FFA(19:1), PE(P-17:0_20:3), PE(P-18:1_20:2), LPC(14:0/0:0), PE(O-18:0_20:3), and MGDG(16:0_18:1), are upregulated and shared in the top 10 at 12 h, 24 h, 36 h, and 48 h after H9N2 infection, indicative of the possibility of acting as biomarkers for the diagnosis in the lung infected with influenza virus. These pathways and altered metabolites could provide new understandings about biological characteristics and pathogenicity of influenza virus and have the potential to serve as biomarkers for influenza.


Asunto(s)
Enfermedades Transmisibles , Subtipo H9N2 del Virus de la Influenza A , Gripe Humana , Infecciones por Orthomyxoviridae , Humanos , Subtipo H9N2 del Virus de la Influenza A/genética , Metabolismo de los Lípidos , Replicación Viral , Biomarcadores/metabolismo , Lípidos
8.
Genes (Basel) ; 13(11)2022 11 15.
Artículo en Inglés | MEDLINE | ID: mdl-36421791

RESUMEN

Ormosia hosiei is a tree species native to China that has been extensively used for ornamental and furniture purposes due to its valued timber. The mating system has substantial impact on genetic diversity and structure of plant natural population. Such information should be considered when planning tree planting for forest restoration. Here we used 12 microsatellite markers and described the mating system of single families and the population genetic diversity of O. hosiei. A high level of genetic diversity was observed in both adults and progenies, although slight differences existed among populations and their progenies, with the expected heterozygosity ranging from 0.763 to 0.794. Overall, O. hosiei displayed a predominantly outcrossed mating. The estimate of multi-locus outcrossing rate (tm) was high with low variations among families, ranged from 0.997 to 1.000. The value of tm-ts, ranged from 0.000 to 0.139, indicated that biparental inbreeding occurred in progenies. Therefore, to obtain a reasonable genetic representation of native tree species and prevent problems associated with inbreeding depression, we suggested effective in situ conservation by replanting seedlings, but seedling production for restoration purposes may require a much larger sampling effort than is currently used. Moreover, it is necessary to conduct further multiple population and multi-year experiments to verify our conclusions.


Asunto(s)
Fabaceae , Reproducción , Humanos , Adulto , Comunicación Celular , China , Árboles/genética , Plantones , Genética de Población
9.
ACS Appl Mater Interfaces ; 14(45): 51096-51104, 2022 Nov 16.
Artículo en Inglés | MEDLINE | ID: mdl-36318085

RESUMEN

Antiferroelectric PbZrO3 has attracted renewed interest in recent years because of its unique properties and wide range of potential applications. However, the nature of antiferroelectricity and its evolution with the electric field and temperature remain controversial, mostly due to the difficulty of obtaining high-quality single-crystal samples. The lack of consensus regarding the phase transition in PbZrO3 is not only important on a fundamental side but also greatly hinders further applications. Herein, high-quality PbZrO3 epitaxial thin films are successfully fabricated by pulsed laser deposition. The structural and physical properties of the films are systematically studied via a combination of electric property measurements, X-ray diffraction, scanning transmission electron microscopy imaging, and second-harmonic generation studies. Our studies unveil the noncentrosymmetric nature of PbZrO3 films at room temperature. Moreover, the Curie temperature increased to 270°, ∼40° higher than that in the bulk, and no intermediate ferroelectric phase was observed. Besides, an incipient ferroelectric with relaxor-like behavior above the Curie temperature due to the existence of a local polar cluster in the high-temperature paraelectric phase is experimentally observed for the first time. Our studies provide a better understanding of PbZrO3 thin films and pave the way for practical applications of antiferroelectric material in modern electronic devices.

10.
Front Microbiol ; 13: 998524, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-36160221

RESUMEN

The gut microbiota plays a vital roles in poultry physiology, immunity and metabolism. Black soldier fly oil is known to have a positive effect on the gut microbiota. However, the specific effect of black soldier fly oil on the composition and structure of the gut microbiota of the pigeon is unknown. In this experiment, 16S rDNA high-throughput sequencing was performed to study the effect of different doses of black soldier fly oil on the changes of pigeon intestinal microbes. Results indicated that the different doses of black soldier fly oil had no effect on the gut microbial diversity of the pigeon. Although the dominant phyla (Proteobacteria, Firmicutes, Bacteroidetes, and Actinobacteria) and genus (uncultured_bacterium_f_Lachnospiraceae and Desulfovibrio) in control group and experimental group with different doses were the same, the abundances of some beneficial bacteria (Megasphaera, Intestinimonas, Prevotella_9, Lachnospiraceae_UCG-001, Faecalibacterium, Coprococcus_2, Parabacteroides, Megasphaera, Leuconostoc, Prevotellaceae_UCG-001, Lactococcus, Ruminococcaceae_UCG-014, and Coprococcus_2) increased significantly as the concentration of black soldier fly oil increased. Taken together, this study indicated that black soldier fly oil supplementation could improve gut microbial composition and structure by increasing the proportions of beneficial bacteria. Notably, this is the first report on the effects of black soldier fly oil on the gut microbiota of pigeon, which contribute to understanding the positive effects of black soldier fly oil from the gut microbial perspective.

11.
Front Vet Sci ; 9: 877739, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35795788

RESUMEN

Egg production is the most important trait of laying hens. To identify molecular markers and candidate genes associated with egg production and quality, such as body weight at first oviposition (BWF), the number of eggs produced in 500 days (EN500), egg weight (EW), egg shell thickness (EST), egg shell strength (ESS), and Haugh unit (HU), a genome-wide analysis was performed in 266 LingKun Chickens. The results showed that thirty-seven single nucleotide polymorphisms (SNPs) were associated with all traits (p < 9.47 × 10-8, Bonferroni correction). These SNPs were located in close proximity to or within the sequence of the thirteen candidate genes, such as Galanin And GMAP Prepropeptide (GAL), Centromere Protein (CENPF), Glypican 2 (GPC2), Phosphatidylethanolamine N-Methyltransferase (PEMT), Transcription Factor AP-2 Delta (TFAP2D), and Carboxypeptidase Q (CPQ) gene related to egg-laying and Solute Carrier Family 5 Member 7 (SLC5A7), Neurocalcin Delta (NCALD), Proteasome 20S Subunit Beta 2 (PSMB2), Slit Guidance Ligand 3 (SLIT3), and Tubulin Tyrosine Ligase Like 7 (TTLL7) genes related to egg quality. Interestingly, one of the genes involved in bone formation (SLIT3) was identified as a candidate gene for ESS. Our candidate genes and SNPs associated with egg-laying traits were significant for molecular breeding of egg-laying traits and egg quality in LingKun chickens.

12.
Medicine (Baltimore) ; 101(29): e29218, 2022 Jul 22.
Artículo en Inglés | MEDLINE | ID: mdl-35866802

RESUMEN

BACKGROUND: Irritable bowel syndrome (IBS) is a common functional bowel disorder. Many systematic reviews/meta-analyses indicate that acupuncture and related therapies are effective for IBS. However, the robustness of the results in the systematic reviews and meta-analyses has not been evaluated. This scoping review aims to ascertain the credibility of current evidence of acupuncture therapy for IBS, to provide clinical research investigators with reliable information. METHODS: Searches of China National Knowledge Infrastructure (CNKI), China Science and Technology Journal Database (VIP), China Biology Medicine disc (CBMdisc), and Wanfang Database since the establishment of the database to February 2022. Study selection and data extraction will be conducted by 2 reviewers, and the quality will be assessed by 2 trained reviewers. We will use Assessment of Multiple Systematic Reviews-2 (AMSTAR2) for methodological quality assessment, Preferred Reporting Items for Systematic Reviews and Meta-Analyses for report quality assessment, Grading of Recommendations, Assessment, Development, and Evaluation for the quality of evidence assessment, and the Risk of Bias in Systematic Reviews for the bias assessment. RESULTS: The results will be published in a peer-reviewed journal. TRIAL REGISTRATION NUMBER: INPLASY202210117. CONCLUSION: This scoping review will provide comprehensive evidence of acupuncture for patients with irritable bowel syndrome. ETHICS AND DISSEMINATION: This scoping review does not require ethical approval as it is a secondary assessment of available literature.


Asunto(s)
Terapia por Acupuntura , Síndrome del Colon Irritable , Terapia por Acupuntura/métodos , China , Manejo de Datos , Bases de Datos Factuales , Humanos , Síndrome del Colon Irritable/terapia , Proyectos de Investigación , Literatura de Revisión como Asunto , Revisiones Sistemáticas como Asunto
13.
Front Cardiovasc Med ; 9: 843939, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35479281

RESUMEN

Background: Whether early pharmacologic cardioversion is necessary for recent-onset atrial fibrillation is still controversial. Current meta-analyses were limited to evaluating the effects within 24 h without sufficient considering longer follow-up outcomes. We aimed to compare the effect of early pharmacologic cardioversion and non-early cardioversion in patients with recent-onset atrial fibrillation within 4-weeks of follow-up. Methods: We searched the Cochrane Library, EMBASE, MEDLINE, PubMed, Web of Science, ClinicalTrials.gov, and Clinicaltrialsregister. eu for randomized controlled trials (RCTs) published before November 2021 comparing early pharmacologic cardioversion and non-early cardioversion in recent-onset atrial fibrillation and synthesized data in accordance with PRISMA-Systematic Reviews and Network Meta-Analysis (NMA). Early pharmacological cardioversion referred to immediate cardioversion with antiarrhythmic drugs (i.e., amiodarone, propafenone, flecainide, tedisamil, vernakalant, vanoxerine, and sotalol) upon admission, while non-early cardioversion involved the administration of rate-control or placebo medication without immediate cardioversion. Results: 16 RCTs with 2,395 patients were included. Compared to non-early cardioversion, a systematic review showed that early pharmacologic cardioversion resulted in a higher probability of sinus rhythm maintenance within 24 h (odds ratios [OR] 2.50, 95% credible interval [CrI] 1.76 to 3.54) and 1-week (2.50, 1.76 to 3.54), however, there was no significant difference in sinus rhythm maintenance within 4-weeks (1.37, 0.90 to 2.09). In subgroup analysis, the Bayesian NMA revealed that vernakalant may be successful in sinus rhythm maintenance within both 24 h (3.55, 2.28 to 5.55) and 1-week (2.72, 1.72 to 4.31). The results were consistent with the frequentist NMA. Conclusions: Non-early pharmacologic cardioversion may not be inferior to early cardioversion within a 4-week follow-up period in patients with recent-onset atrial fibrillation. The evidence remains insufficient to determine which antiarrhythmic agent is optimal in the longer run. Further high-quality relevant RCTs are necessary. Clinical Trial Registration: PROSPERO CRD42020166862.

14.
J Hepatol ; 77(2): 436-452, 2022 08.
Artículo en Inglés | MEDLINE | ID: mdl-35276271

RESUMEN

BACKGROUND & AIMS: The liver plays crucial roles in the regulation of immune defense during acute systemic infections. However, the roles of liver cellular clusters and intercellular communication in the progression of endotoxemia have not been well-characterized. METHODS: Single-cell RNA sequencing analysis was performed, and the transcriptomes of 19,795 single liver cells from healthy and endotoxic mice were profiled. The spatial and temporal changes in hepatocytes and non-parenchymal cell types were validated by multiplex immunofluorescence staining, bulk transcriptomic sequencing, or flow cytometry. Furthermore, we used an adeno-associated virus delivery system to confirm the major mechanisms mediating myeloid cell infiltration and T-cell suppression in septic murine liver. RESULTS: We identified a proinflammatory hepatocyte (PIH) subpopulation that developed primarily from periportal hepatocytes and to a lesser extent from pericentral hepatocytes and played key immunoregulatory roles in endotoxemia. Multicellular cluster modeling of ligand-receptor interactions revealed that PIHs play a crucial role in the recruitment of macrophages via the CCL2-CCR2 interaction. Recruited macrophages (RMs) released cytokines (e.g., IL6, TNFα, and IL17) to induce the expression of inhibitory ligands, such as PD-L1, on hepatocytes. Subsequently, RM-stimulated hepatocytes led to the suppression of CD4+ and memory T-cell subsets partly via the PD-1/PD-L1 interaction in endotoxemia. Furthermore, sinusoidal endothelial cells expressed the highest levels of proapoptotic and inflammatory genes around the periportal zone. This pattern of gene expression facilitated increases in the number of fenestrations and infiltration of immune cells in the periportal zone. CONCLUSIONS: Our study elucidates unanticipated aspects of the cellular and molecular effects of endotoxemia on liver cells at the single-cell level and provides a conceptual framework for the development of novel therapeutic approaches for acute infection. LAY SUMMARY: The liver plays a crucial role in the regulation of immune defense during acute systemic infections. We identified a proinflammatory hepatocyte subpopulation and demonstrated that the interactions of this subpopulation with recruited macrophages are pivotal in the immune response during endotoxemia. These novel findings provide a conceptual framework for the discovery of rational therapeutic targets in acute infection.


Asunto(s)
Endotoxemia , Animales , Antígeno B7-H1/metabolismo , Células Endoteliales/metabolismo , Endotoxemia/genética , Endotoxemia/metabolismo , Hepatocitos/metabolismo , Hígado/metabolismo , Macrófagos/metabolismo , Ratones , Linfocitos T/metabolismo
15.
J Anal Methods Chem ; 2022: 6777409, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35309718

RESUMEN

Chinese medicine extracts are complex in composition. The combination of the quantitative analysis of multicomponents by single marker (QAMS) and the systematic quantified fingerprint method (SQFM) can be used for better quantitative analysis. The contents of Pulsatilla saponin D, Pulsatilla saponin A, Pulsatilla saponin F, and oleanolic acid 3-o-ß-d-pyranoglucosyl-(1⟶4)-ß-d-pyranoglucosyl-(1⟶3)-α-l-pyridine rhamnosyl-(1⟶2)-α-l-pyranosine arabinoside (B9) were determined by HPLC and QAMS. The methodological verification was carried out. The relative correction factor (RCF) was calculated, and the reproducibility of the RCF was investigated. The experimental results of the external standard method (ESM) and the QAMS were compared. Meanwhile, the fingerprint of the extract of Pulsatilla chinensis total saponins was established and the quality of the extract was evaluated by SQFM and hierarchical cluster analysis (HCA). The results showed that there was no significant difference between the QAMS and ESM. QAMS could be used for the rapid determination of various saponins in the extract of Pulsatilla chinensis. SQFM and HCA could objectively and comprehensively reflect the overall quality difference of total saponin extract of Pulsatilla chinensis. Therefore, QAMS and SQFM could provide a more convenient and effective selection for the quality evaluation of total saponin extract from this plant.

16.
PeerJ ; 9: e12652, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35036143

RESUMEN

BACKGROUND: The disease burden from ischaemic heart disease remains heavy in the Chinese population. Traditional risk scores for estimating long-term mortality in patients with acute myocardial infarction (AMI) have been developed without sufficiently considering advances in interventional procedures and medication. The goal of this study was to develop a risk score comprising clinical parameters and intervention advances at hospital admission to assess 5-year mortality in AMI patients in a Chinese population. METHODS: We performed a retrospective observational study on 2,722 AMI patients between January 2013 and December 2017. Of these patients, 1,471 patients from Changsha city, Hunan Province, China were assigned to the development cohort, and 1,251 patients from Xiangtan city, Hunan Province, China, were assigned to the validation cohort. Forty-five candidate variables assessed at admission were screened using least absolute shrinkage and selection operator, stepwise backward regression, and Cox regression methods to construct the C2ABS2-GLPK score, which was graded and stratified using a nomogram and X-tile. The score was internally and externally validated. The C-statistic and Hosmer-Lemeshow test were used to assess discrimination and calibration, respectively. RESULTS: From the 45 candidate variables obtained at admission, 10 potential predictors, namely, including Creatinine, experience of Cardiac arrest, Age, N-terminal Pro-Brain Natriuretic Peptide, a history of Stroke, Statins therapy, fasting blood Glucose, Left ventricular end-diastolic diameter, Percutaneous coronary intervention and Killip classification were identified as having a close association with 5-year mortality in patients with AMI and collectively termed the C2ABS2-GLPK score. The score had good discrimination (C-statistic = 0.811, 95% confidence intervals (CI) [0.786-0.836]) and calibration (calibration slope = 0.988) in the development cohort. In the external validation cohort, the score performed well in both discrimination (C-statistic = 0.787, 95% CI [0.756-0.818]) and calibration (calibration slope = 0.976). The patients were stratified into low- (≤148), medium- (149 to 218) and high-risk (≥219) categories according to the C2ABS2-GLPK score. The predictive performance of the score was also validated in all subpopulations of both cohorts. CONCLUSION: The C2ABS2-GLPK score is a Chinese population-based risk assessment tool to predict 5-year mortality in AMI patients based on 10 variables that are routinely assessed at admission. This score can assist physicians in stratifying high-risk patients and optimizing emergency medical interventions to improve long-term survival in patients with AMI.

17.
Int J Cardiol ; 349: 18-26, 2022 Feb 15.
Artículo en Inglés | MEDLINE | ID: mdl-34838680

RESUMEN

BACKGROUND: Previous studies have shown that optimal blood pressure (BP) control is necessary to outcomes in patients with acute myocardial infarction (AMI). Acute left ventricular MI is a prevalent type of AMI with poor prognosis. We aimed to analyze the associations between BP control in the first 7 days of hospitalization and long-term mortality specific to patients with isolated left ventricular MI. METHODS: A total of 3108 acute left ventricular MI patients were included in this analysis. The average BP on the first seven days of hospitalization was categorized into 10-mmHg increments. The primary and secondary outcomes were all-cause death and cardiac death, respectively. Cox models were used to assess the association of outcomes with BP during hospitalization. RESULTS: The median length-of-stay was 7 (IQR 6-10) days. The relationship between systolic BP (SBP) or diastolic BP (DBP) followed a U-shaped curve association with outcomes. All-cause mortality was higher in patients with lower SBP (≤90 mmHg) (adjusted hazard ratios (HRs) 7.12, 95% confidence interval (CI) 3.13-16.19; p < 0.001) and DBP (<60 mmHg) (HR 1.76, 95% CI 1.14-2.71; p = 0.011) [reference: 110 < SBP ≤120 mmHg; 70 < DBP ≤ 80 mmHg], respectively. Furthermore, primary outcome was higher in patients with higher SBP (>130 mmHg) (HR 1.51, 95% CI 1.12-2.03; p = 0.007) and DBP (>80 mmHg) (HR 1.61, 95% CI 1.20-2.18; p = 0.002), respectively. CONCLUSION: Maintaining a SBP from 90 to 130 mmHg and a DBP from 60 to 80 mmHg may be beneficial to patients with acute left ventricular MI in the long run.


Asunto(s)
Hipertensión , Infarto del Miocardio , Accidente Cerebrovascular , Presión Sanguínea , Hospitalización , Humanos , Infarto del Miocardio/diagnóstico , Infarto del Miocardio/terapia , Factores de Riesgo
18.
BMJ Open ; 11(6): e044072, 2021 06 29.
Artículo en Inglés | MEDLINE | ID: mdl-34187815

RESUMEN

OBJECTIVE: The survival benefit of using mechanical circulatory support (MCS) in patients with acute myocardial infarction (AMI) is still controversial. It is necessary to explore the impact on clinical outcomes of MCS in patients with AMI undergoing stenting. DESIGN: Systematic review and meta-analysis. DATA SOURCES: Embase, Cochrane Library, Medline, PubMed, Web of Science, ClinicalTrials.gov and Clinicaltrialsregister.eu databases were searched from database inception to February 2021. ELIGIBILITY CRITERIA: Randomised clinical trials (RCTs) on MCS use in patients with AMI undergoing stent implantation were included. DATA EXTRACTION AND SYNTHESIS: Data were extracted and summarised independently by two reviewers. Risk ratios (RRs) and 95% CIs were calculated for clinical outcomes according to random-effects model. RESULTS: Twelve studies of 1497 patients with AMI were included, nine studies including 1382 patients compared MCS with non-MCS, and three studies including 115 patients compared percutaneous ventricular assist devices (pVADs) versus intra-aortic balloon pump (IABP). Compared with non-MCS, MCS was not associated with short-term (within 30 days) (RR=0.90; 95% CI 0.57 to 1.41; I2=46.8%) and long-term (at least 6 months) (RR=0.82; 95% CI 0.57 to 1.17; I2=37.6%) mortality reductions. In the subset of patients without cardiogenic shock (CS) compared with non-MCS, the patients with IABP treatment significantly had decreased long-term mortality (RR=0.49; 95% CI 0.27 to 0.90; I2=0), but without the short-term mortality reductions (RR=0.51; 95% CI 0.22 to 1.19; I2=17.9%). While in the patients with CS, the patients with MCS did not benefit from the short-term (RR=1.09; 95% CI 0.67 to 1.79; I2=46.6%) or long-term (RR=1.00; 95% CI 0.75 to 1.33; I2=22.1%) survival. Moreover, the application of pVADs increased risk of bleeding (RR=1.86; 95% CI 1.15 to 3.00; I2=15.3%) compared with IABP treatment (RR=1.86; 95% CI 1.15 to 3.00; I2=15.3%). CONCLUSIONS: In all patients with AMI undergoing stent implantation, the MCS use does not reduce all-cause mortality. Patients without CS can benefit from MCS regarding long-term survival, while patients with CS seem not.


Asunto(s)
Corazón Auxiliar , Infarto del Miocardio , Intervención Coronaria Percutánea , Humanos , Contrapulsador Intraaórtico , Infarto del Miocardio/terapia , Ensayos Clínicos Controlados Aleatorios como Asunto , Choque Cardiogénico/terapia , Stents , Resultado del Tratamiento
19.
J Clin Nurs ; 30(19-20): 2948-2959, 2021 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-33951248

RESUMEN

AIMS AND OBJECTIVES: To explore the role of health beliefs in affecting patients' chronic diabetic complication (CDC) screening. BACKGROUND: Patients' adherence to the guideline-recommended CDC screening was far from optimal. While many demographic and clinical characteristics were documented to influence patients' adherence, psychological profiles, such as health beliefs, were not well studied before. It is crucial to understand how health beliefs affect patients' CDC screening behaviour and thus to provide implications for future intervention programmes. DESIGN: A cross-sectional study was conducted. METHODS: 785 type 2 diabetes were enrolled from the community health centre in Wuhou District, Chengdu, China. Structured questionnaires were used to collect data regarding the demographic and clinical information, knowledge about CDC, health belief model constructs and CDC screening behaviour. Mediation analysis was performed to explore the mechanisms of health belief model constructs on CDC screening behaviour. The study methods were compliant with the STROBE checklist. RESULTS: Knowledge had a significant indirect effect on CDC screening behaviour through perceived susceptibility, perceived benefits, perceived barriers and self-efficiency. Cues to action exerted both significant direct and indirect effects on CDC screening behaviour. The indirect effects of cues to action were exerted through perceived susceptibility, perceived barriers and self-efficiency. CONCLUSION: Health beliefs played vital roles in mediating the effects of knowledge and cues to action on patients' CDC screening behaviour. Health beliefs should be assessed and modified through creative educational methods. Strategies aimed at increasing cues to action are also expected to facilitate patients' CDC screening behaviour. RELEVANCE TO CLINICAL PRACTICES: The study contributes to the exploration of how health beliefs affect patients' CDC screening behaviour. The results could be used to inspire future community-based intervention programmes.


Asunto(s)
Complicaciones de la Diabetes , Diabetes Mellitus Tipo 2 , Estudios Transversales , Diabetes Mellitus Tipo 2/complicaciones , Modelo de Creencias sobre la Salud , Conocimientos, Actitudes y Práctica en Salud , Humanos , Tamizaje Masivo , Encuestas y Cuestionarios
20.
Front Pharmacol ; 12: 657486, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33981234

RESUMEN

Background: Pyroptosis is a form of cell death triggered by proinflammatory signals. Recent studies have reported that oxidized phospholipids function as caspase-11 agonists to induce noncanonical inflammasome activation in immune cells. As the levels of oxidized phospholipids derived from ox-LDL are largely elevated in atherosclerotic lesions, this study sought to determine whether oxidized lipids trigger pyroptosis and subsequent inflammation in the pathogenesis of atherosclerosis. Methods and Results: In our current study, after integrating transcriptomic data available from the Gene Expression Omnibus with data from hyperlipidemic mice and ox-LDL-treated peritoneal macrophages, we discovered that caspase-4/11-gasdermin D-associated inflammatory signaling was significantly activated. Consistently, the mRNA expression of caspase-4 and gasdermin D was upregulated in peripheral blood mononuclear cells from patients with coronary heart disease. In particular, the expression of caspase-4 was closely associated with the severity of lesions in the coronary arteries. An in vivo study showed that caspase-11-gasdermin D activation occurred in response to a high-fat/high-cholesterol (HFHC) diet in ApoE-/- mice, while caspase-11 deletion largely attenuated the volume and macrophage infiltration of atherosclerotic lesions. An in vitro mechanistic study showed that caspase-11-mediated inflammation occurred partly via gasdermin D-mediated pyroptosis in macrophages. Suppressing gasdermin D in HFHC-fed ApoE-/- mice via delivery of an adeno-associated virus markedly decreased lesion volume and infiltrating macrophage numbers. Conclusion: Caspase-11-gasdermin D-mediated pyroptosis and the subsequent proinflammatory response in macrophages are involved in the pathogenesis of atherosclerosis. Therefore, targeting the caspase 11-gasdermin D may serve as an alternative strategy for the treatment of atherosclerosis.

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