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401
Pore-scale simulation of fine particles migration in porous media using coupled CFD-DEM
منشور في 2022"…Simulations indicate that permeability reduction due to fine migration in porous media is directly proportional to flow velocity. The time required to develop bridging and subsequent clogging of the pore space that lead to permeability reduction decreases as the flow velocity increases. …"
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402
Impact of trace noble metals on the catalytic performance of LaNiMgO towards methane dry reforming
منشور في 2024"…On the other hand, at the same time-on-stream LaNiMgO-Rh lost 0.3 and 0.7 % of its maximum CO<sub>2</sub> and CH<sub>4</sub> conversions, respectively. …"
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403
Infliximab versus ciclosporin in steroid resistant acute severe ulcerative colitis: a model-based cost-utility analysis of data from CONSTRUCT pragmatic trial
منشور في 2023"…Beyond 2-year trial follow-up, Markov model predicted a decrease in colectomy rate, but it remained slightly higher for ciclosporin. …"
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404
The relationship between Determinants of Risk Governance assurance and efficacy of the Public projects in the Government of Dubai from the perspective of Internal Audit Function
منشور في 2018"…The success of these public initiatives may create the course for the government to decrease its reliance on other sectors. However, not all of these projects are completed on time and adhering to the predetermined budget. …"
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405
Raising awareness among health educators and educational institutions of the need to overcome the language barrier among Non-Native English speaking students of Health Sciences in...
منشور في 2015"…This study showed a decrease in 2014 for the proportion of students in the foundation year that studied sciences in English with 73% in 2013 to 39% in 2014. …"
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406
Fixed-interval versus OCT-guided variable dosing of intravitreal bevacizumab in the management of neovascular age-related macular degeneration
منشور في 2012"…Results Compared to baseline, variable dosing had a mean improvement in BCVA of 11.0 letters after 12 months vs 9.2 letters for fixed-interval dosing (P = .81). …"
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407
The Triple “S” Impact of COVID-19: Nationwide Evidence of the Impact of the Stress Associated With Restrictive Measures on Substance Use, Sleep, and Social Connectedness in Qatar...
منشور في 2023"…Of tobacco users in our sample, 36% reported increased tobacco use since the start of home confinement, while 41.6% of alcohol users reported decreased alcohol use. Concerning sleep, 46.1% reported an increase in average sleep duration per day (0.77 h mean increase, 95% CI: 0.66-0.88, P<0.001), and a third of participants reported poorer sleep quality. …"
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408
Healthcare Professionals' Attitudes Toward Patients With Mental Illness: A Cross-Sectional Study in Qatar
منشور في 2022"…</p> <h3>Results</h3> <p>A total of 406 nurses and 92 doctors participated in the study. The nurses' mean MICA score was significantly higher than that of the physicians. …"
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409
Synergetic effects of dodecylamine-functionalized graphene oxide nanoparticles on antifouling and antibacterial properties of polysulfone ultrafiltration membranes
منشور في 2021"…All membranes were characterized in terms of chemical structure, morphology, hydrophilicity, porosity and mean pore size. Cross-section SEM images showed the distribution of GO and rGO-DDA between the pores and on the polymer walls. …"
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410
Evaluating the impact of the Minimization of Aggression and Violence (MoAV) intervention on mechanical restraint use in Qatar's acute mental health setting
منشور في 2025"…The percentage of restrained patients decreased from 25 % to 4 %, p = (<0.001). The mean duration of restraint incidents slightly increased from 59.1 min in 2016 to 61.3 min in 2021, though this change was not statistically significant. …"
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411
Assessment of resin systems as solution for well integrity challenge in carbonate reservoirs
منشور في 2023"…Additionally, the transit time showed a 26–42% range decrease in the travel period, indicating that the cement was stronger under increased pressure and temperature. …"
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412
Occurrence and removal characteristics of phthalate esters from bottled drinking water using silver modified roasted date pits
منشور في 2022"…</p> <h2>Methods</h2> <p>The occurrences of the phthalate esters in the collected bottled water samples were carried out at different temperatures (30, 50, and 60 °C), and analyzed using gas chromatography-mass spectrometry analysis - selected ion monitoring. …"
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413
Prevalence of polypharmacy and the association with non-communicable diseases in Qatari elderly patients attending primary healthcare centers: A cross-sectional study
منشور في 2020"…The elderly population is the most susceptible to the negative effects of polypharmacy due to their altered pharmacokinetics and decreased drug clearance. Therefore, polypharmacy can lead to poor health status and higher rates of morbidity and mortality. …"
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414
Correction: Prevalence of polypharmacy and the association with non-communicable diseases in Qatari elderly patients attending primary healthcare centers: A cross-sectional study
منشور في 2020"…</p><h3>Results </h3><p dir="ltr">Out of 5639 patients screened, 75.5% (95% CI: 74.3–76.6) were exposed to polypharmacy. Females were 1.18 times more likely to have polypharmacy compared to males (95% CI: 1.03–1.34). …"
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415
Peripheral inflammatory and metabolic markers as potential biomarkers in treatment-resistant schizophrenia: Insights from a Qatari Cohort
منشور في 2024"…Multivariate analysis highlighted significant differences in platelet count, mean platelet volume (MPV), TG, HbA1c, BMI, neutrophil/lymphocyte ratio (NLR), monocyte/lymphocyte ratio (MLR), and ferritin among the groups. …"
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416
Brain microstructural changes support cognitive deficits in HIV uninfected children born to HIV infected mothers
منشور في 2020"…Decreased FA along with both increased and decreased MD in different brain regions was present in HUC compared to CHNM. …"
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417
Long-Haul Northeast Travel Disrupts Sleep and Induces Perceived Fatigue in Endurance Athletes
منشور في 2018"…After this time, sleep duration returned to baseline for several days until it was very likely decreased on the night prior to competition (-1.2 ± 1.0 h; 1.18; ±0.93). …"
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418
‘The newest vital sign among pregnant women attending women wellness and research Centre in Qatar: a cross-sectional study’
منشور في 2022"…In the context of pregnancy, inadequate health literacy has been linked to several adverse outcomes among pregnant women such as unplanned conception, smoking, and lack of multi-vitamin intake. Given the paucity of data, this study aimed to assess the level of health literacy and its determinants among pregnant women in the State of Qatar.…"
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419
Impact of the positive pressure valve on vascular access device occlusions and bloodstream infections
منشور في 2009"…With this potential for improving patient outcomes, decreasing costs, and facilitating nursing care and catheter management, the use of PPV devices becomes both advantageous and desirable. …"
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420
Two-surgeon technique of parenchymal transection contributes to reduced transfusion rate in patients undergoing major hepatectomy
منشور في 2010"…This difference is because patients treated at such centers often present with large tumor size,8 underlying liver disease,9 and chemotherapy-associated hepatic toxicity.10 In an effort to reduce the need for blood transfusions in patients undergoing liver resection, we developed a 2-surgeon technique to optimize parenchymal transection.11 In our preliminary series,11 the combined use of saline-linked cautery and ultrasonic dissection was shown to be safe and to reduce blood loss, operation time, and time of inflow occlusion. The objective of this study was to evaluate, in our experience over a 10-year period, factors predictive of blood transfusion in patients who underwent liver resection. …"
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