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541
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...
Published 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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542
Healthcare Professionals' Attitudes Toward Patients With Mental Illness: A Cross-Sectional Study in Qatar
Published 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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543
Synergetic effects of dodecylamine-functionalized graphene oxide nanoparticles on antifouling and antibacterial properties of polysulfone ultrafiltration membranes
Published 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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544
Evaluating the impact of the Minimization of Aggression and Violence (MoAV) intervention on mechanical restraint use in Qatar's acute mental health setting
Published 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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545
Intravenous administration of gold nanoparticles in rats exhibit alterations in sphingomyelins, bile acids, sphingolipids, and cholesterol esters levels
Published 2024“…Annotation of metabolites was determined by retention times and specific MRMs for each compound. Results indicate that AuNPs treatment significantly impacted several metabolic pathways. …”
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546
Assessing the risk of angiotensin receptor blockers on major cardiovascular events: a systematic review and meta-analysis of randomized controlled trials
Published 2020“…</p><h3>Results</h3><p dir="ltr">Forty-five RCTs comprising of 170,794 participants were included in the analysis. …”
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547
Peripheral inflammatory and metabolic markers as potential biomarkers in treatment-resistant schizophrenia: Insights from a Qatari Cohort
Published 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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548
Brain microstructural changes support cognitive deficits in HIV uninfected children born to HIV infected mothers
Published 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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549
Efficacy of Cannabidiol Combination with Cisplatin or Paclitaxel against Platinum-Resistant Ovarian Cancer Cell Lines
Published 2022“…Monotherapy with CBD demonstrated a dose-dependent tumor growth inhibition at 72h, with the IC50 being 12.5 μg/ml for OVCAR-3 cell line and 12.3 μg/ml for SK-OV-3 cell line. …”
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550
The global burden of cancer attributable to risk factors, 2010–19: a systematic analysis for the Global Burden of Disease Study 2019
Published 2022“…Reducing exposure to these modifiable risk factors would decrease cancer mortality and DALY rates worldwide, and policies should be tailored appropriately to local cancer risk factor burden.…”
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551
Towards the development of an integrated model for examining the determinants affecting the use of Queue Management Solutions in Healthcare
Published 2021“…The results revealed that the new tool is beneficial, and the median times to finish the processes within the patient’s journey have significantly decreased. …”
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552
Clotted blood samples in the neonatal intensive care unit: A retrospective, observational study to evaluate interventions to reduce blood sample clotting
Published 2023“…</p><h3>Aims</h3><p dir="ltr">To decrease the incidence of rejected blood samples taken for laboratory investigation as a result of clotted sample.…”
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553
‘The newest vital sign among pregnant women attending women wellness and research Centre in Qatar: a cross-sectional study’
Published 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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554
Impact of the positive pressure valve on vascular access device occlusions and bloodstream infections
Published 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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555
Global, regional, and national burden of upper respiratory infections and otitis media, 1990–2021: a systematic analysis from the Global Burden of Disease Study 2021
Published 2024“…The mortality rate of URIs in 2021 was 0·2 per 100 000 (0·1 to 0·5), a decrease of 64·2% (–84·6 to –43·4) from 1990, when the mortality rate was 0·7 per 100 000 (0·2 to 1·1). …”
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556
The effect of microbiome therapy on COVID-19-induced gut dysbiosis: A narrative and systematic review
Published 2024“…The majority of the investigated biotics exhibited positive effects on COVID-19 patients, manifesting in symptom alleviation, inflammation reduction, and notable decreases in mortality rates. Five studies reported death rates, showing an average mortality ranging from 0 % to 11 % in the intervention groups, as compared to 3 % to 30 % in the control groups. …”
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557
Breaking the barriers towards large-scale microalgae-based bio-hydrogen production
Published 2025“…Results showed that cultivation dominates the process cost: typical biomass costs are $3.54–$5.78/kg in tubular PBRs versus $3.42–$4.13/kg in ORPs; an automation/modularization case decreased microalgae production cost from $89 to $16/kg at ∼200 t/yr. …”
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558
Optimisation of PV Cleaning Practices: Comparison Between Performance Based and Periodic Based Approaches
Published 2018“…Optimized periodic based manual cleaning with between 5.78% to 28.39% improvement. 4. Periodic based automatic cleaning showed decreases in improvement of between 164.64% to 245.34%. …”
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559
Mixed siliciclastic-carbonate-evaporite sedimentation in an arid eolian landscape: The Khor Al Adaid tide-dominated coastal embayment, Qatar
Published 2020“…The overall landward increase in salinity is accompanied by a decrease in the diversity of benthic fauna and their skeletal remains. …”
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560
Automatic image quality evaluation in digital radiography using for‐processing and for‐presentation images
Published 2024“…</p><h3>Methods</h3><p dir="ltr">A custom‐made phantom constructed according to the instructions given in the IAEA Human Health Series No.39 publication was used, along with the respective software that automatically calculates various IQ metrics. …”