Shift rotation scheme, listlessness and sleep quality in night-shift employees.
Author : Winkel Green | Published On : 09 Nov 2024
Aortic self-expandable (SE) transcatheter aortic valve implantation (TAVI) devices are particularly useful for patients with aortic stenosis and small/tortuous vessels, small aortic annuli, or low coronary ostia. However, it is unclear whether the growing range of SE devices shows comparable hemodynamic and clinical outcomes. We aimed to determine the differential hemodynamic (residual valve area and regurgitation) and clinical outcomes of these devices in comparable scenarios.All patients were enrolled from 4 institutions and were managed with 4 different SE TAVI devices. Baseline and follow-up clinical data were collected and echocardiographic tests blindly and centrally analyzed. Patients were compared according to valve type and a 11 matched comparison was performed according to degree of calcification, aortic annulus dimensions, left ventricular ejection fraction, and body surface area.
In total, 514 patients were included (Evolut R/PRO, 217; ACURATE neo, 107; ALLEGRA, 102; Portico, 88). Surgical risk scores were comparable in the unmatched population. No differences were observed in the post-TAVI regurgitation rate and in in-hospital mortality (2.7%). The rate of pacemaker implantation at discharge was significantly different among devices (P=.049), with Portico showing the highest rate (23%) and ACURATE neo the lowest (9.5%); Evolut R/PRO and ALLEGRA had rates of 15.9% and 21.2%, respectively. The adjusted comparison showed worse residual TAVI gradients and aortic valve area with ACURATE neo vs ALLEGRA (P=.001) but the latter had higher risk of valve embolization and a tendency for more cerebrovascular events.
A matched comparison of 4 SE TAVI devices showed no differences regarding residual aortic regurgitation and in-hospital mortality.
A matched comparison of 4 SE TAVI devices showed no differences regarding residual aortic regurgitation and in-hospital mortality.Fabrication of efficient and low-cost adsorbents through enzyme induced carbonate precipitation (EICP) of sand embedded with binding agents for sulfathiazole (STZ) removal is reported for the first time. Sand enriched with biochar (300 °C, 500 °C, and 700 °C), xanthan gum, guar gum, bentonite, or sodium alginate (1% w/w ratios) was cemented via EICP technique. Enrichment with binding agents decreased the unconfined compressive strength, improved the porosity, and induced functional groups. Biochar enrichment reduced the pH, and increased the calcite contents and electrical conductivity. Fixed-bed column adsorption trials revealed that biochars enrichment resulted in the highest STZ removal (64.7-87.9%) from water at initial STZ concentration of 50 mg L-1, than the adsorbents enriched with other binding agents. Yoon-Nelson and Thomas kinetic models were fitted well to the adsorption data (R2 = 0.91-0.98). The adsorbents embedded with 700 °C biochar (BC7) exhibited the highest Yoon-Nelson rate constants (0.087 L min-1), 50% breakthrough time (58.056 min), and Thomas model-predicted maximum adsorption capacity (4.925 mg g-1). Overall, BC7 removed 168% higher STZ from water than pristine cemented sand. Post-adsorption XRD and FTIR analyses suggested the binding of STZ onto the adsorbents. π-π electron-donor-acceptor interactions, aided-by electrostatic interactions and H-bonding were the main STZ adsorption mechanisms.
The Department of Veterans Affairs (VA) Quality Scholars (VAQS) program, an interprofessional fellowship that includes pre- and postdoctoral nurses, aims to inspire practice change leaders. Fellows participate in a national curriculum, lead improvement/research teams, and establish professional development plans with expert mentor guidance.
To describe the distinctive elements of the VAQS program, nurse fellow outcomes, and accomplishments of nurse alumni as leaders, researchers, and educators.
Data were reviewed and aggregated from past and current fellow surveys.
Nurse fellows completed research and improvement projects that benefitted both the VA and the local health systems. Scholarly outcomes include publications, conference presentations, grant submissions, teaching/leading quality improvement, and research initiatives. Graduates transition to positions as nurse scientists, academic faculty, and operational leaders.
Fellows contribute to the strategic priorities of local and national VA and external health care organizations providing a pipeline of health system expert leaders, educators, and researchers.
Doctoral nursing fellowship experiences build human capital for enhancing the science of improvement and implementation, interprofessional collaboration, and leadership.
Doctoral nursing fellowship experiences build human capital for enhancing the science of improvement and implementation, interprofessional collaboration, and leadership.
Anaemia and malaria are the leading causes of sub-Saharan African childhood morbidity and mortality. selleck compound This study aimed to explore the complex relationship between anaemia and malaria in young children across the districts or counties of four contiguous sub-Saharan African countries, namely Kenya, Malawi, Tanzania and Uganda, while accounting for the effects of socio-economic, demographic and environmental factors. Geospatial maps were constructed to visualise the relationship between the two responses across the districts of the countries.
A joint bivariate copula regression model was used, which estimates the correlation between the two responses conditional on the linear, non-linear and spatial effects of the explanatory variables considered. The copula framework allows the dependency structure between the responses to be isolated from their marginal distributions. The association between the two responses was set to vary according to the district of residence across the four countries.
The study reveaet of interventions, or prevent the use of incorrect interventions, particularly for childhood anaemia, the causes of which are multiple and complex.
This study presents an alternative technique to joint modelling of anaemia and malaria in young children which assists in understanding more about their relationship compared to techniques of multivariate modelling. The approach used in this study can aid in visualising the relationship through mapping of their correlation and joint probabilities. These maps produced can then help policy makers target the correct set of interventions, or prevent the use of incorrect interventions, particularly for childhood anaemia, the causes of which are multiple and complex.