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521
Internet Searches for Medical Symptoms Before Seeking Information on 12-Step Addiction Treatment Programs: A Web-Search Log Analysis
منشور في 2019"…Second, we examined symptom queries preceding queries on the 12-step program at time lags of 0-7 days, 7-14 days, and 14-30 days, where the probability of asking about a medical symptom was greater in the 30-day time window preceding 12-step program information-seeking as compared to all previous times that the symptom was queried.…"
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522
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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523
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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524
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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525
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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526
Intravenous administration of gold nanoparticles in rats exhibit alterations in sphingomyelins, bile acids, sphingolipids, and cholesterol esters levels
منشور في 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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527
Assessing the risk of angiotensin receptor blockers on major cardiovascular events: a systematic review and meta-analysis of randomized controlled trials
منشور في 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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528
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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529
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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article -
530
Efficacy of Cannabidiol Combination with Cisplatin or Paclitaxel against Platinum-Resistant Ovarian Cancer Cell Lines
منشور في 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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masterThesis -
531
The global burden of cancer attributable to risk factors, 2010–19: a systematic analysis for the Global Burden of Disease Study 2019
منشور في 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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532
Towards the development of an integrated model for examining the determinants affecting the use of Queue Management Solutions in Healthcare
منشور في 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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533
Clotted blood samples in the neonatal intensive care unit: A retrospective, observational study to evaluate interventions to reduce blood sample clotting
منشور في 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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534
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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article -
535
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
منشور في 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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article -
536
The effect of microbiome therapy on COVID-19-induced gut dysbiosis: A narrative and systematic review
منشور في 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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537
Breaking the barriers towards large-scale microalgae-based bio-hydrogen production
منشور في 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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538
An Investigation into the factors influencing Arabic speaking students’ proficiency in the Arabic language in Dubai British School
منشور في 2022"…The schools selected for this study were five British and two Arabic schools. The participants of this study comprised 211 students from grades 2, 5, 7 and 10, in addition to 39 Arabic teachers, 12 leaders and 83 parents from both types of schools. …"
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539
Optimisation of PV Cleaning Practices: Comparison Between Performance Based and Periodic Based Approaches
منشور في 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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540
Mixed siliciclastic-carbonate-evaporite sedimentation in an arid eolian landscape: The Khor Al Adaid tide-dominated coastal embayment, Qatar
منشور في 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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