Browsing College of Medicine by Title
Now showing items 1094-1113 of 1418
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Pyocyanin pigment from Pseudomonas aeruginosa modulates innate immune defenses in macrophages
( Qatar University Press , 2021 , Poster)Background: Pseudomonas aeruginosa is a well-known opportunistic pathogen. The gram-negative bacillus, commonly associated with hospital-acquired infections, utilizes the host's impaired immune responses to establish ... -
Pyridoxine non-responsive p.R336C mutation alters the molecular properties of cystathionine beta-synthase leading to severe homocystinuria phenotype
( Elsevier , 2022 , Article)The prevalence of homocystinuria in Qatar is 1:1800, mainly due to a founder missense mutation p.R336C. • The cystathionine beta-synthase (CBS) R336C mutant was bacterially expressed, purified and its molecular properties ... -
‘Q-Storming’ to identify challenges and opportunities for integrating health and climate adaptation measures in Africa
( Elsevier , 2023 , Article)Introduction: Climate factors influence the state of human health and wellbeing. Climate-related threats are particularly being experienced by vulnerable populations in Africa. A Question (Q)-Storming session was convened ... -
Qatar Healthcare Workers' COVID-19 Vaccine Hesitancy and Attitudes: A National Cross-Sectional Survey
( Frontiers Media S.A. , 2021 , Article)Introduction: Healthcare workers are the critical frontline workforce of the COVD-19 pandemic and are considered a target group for vaccination. Hesitancy to vaccinate is a major concern that can jeopardize the vaccination ... -
Qatar's National Mental Health Survey—The World Mental Health Qatar: Sampling design, instrument adaptation, quality control, and fielding procedures
( John Wiley & Sons Ltd. , 2024 , Article)Objectives: The World Mental Health Qatar (WMHQ) study, the first national general population mental health survey in Qatar, was conducted as part of the World Health Organization (WHO) World Mental Health (WMH) Survey ... -
QCovSML: A reliable COVID-19 detection system using CBC biomarkers by a stacking machine learning model
( Elsevier , 2022 , Article)The reverse transcription-polymerase chain reaction (RT-PCR) test is considered the current gold standard for the detection of coronavirus disease (COVID-19), although it suffers from some shortcomings, namely comparatively ... -
QTc evaluation in COVID-19 patients treated with chloroquine/hydroxychloroquine: A letter to the editor
( Wiley-Blackwell , 2020 , Other)We read with interest Monzani et al's report1 on QT pro-longation in COVID-19 patients on treatment with chloro-quine/hydroxychloroquine (CQ/HCQ). Her report highlights the therapeutic morbidities ... -
A qualitative assessment of medical students’ readiness for virtual clerkships at a Qatari university during the COVID-19 pandemic
( Springer Nature , 2023 , Article)Background: This study aims to qualitatively examine the readiness of medical students to change to virtual clerkship (VC) during the pandemic, from both the faculty and students’ perspectives. Methods: A qualitative study ... -
Quality improvement can decrease blood delivery turnaround time: Evidence from a single tertiary-care academic medical center
( American University of Beirut , 2018 , Article)Context: Blood transfusion services are critical to any hospitals? functioning, and timely blood/ component therapy resuscitation is lifesaving. Yet, few blood delivery turnaround time (TAT) studies have been undertaken. ... -
Quality of life, sleep quality, depression, anxiety, stress, eating habits, and social bounds in nurses during the coronavirus disease 2019 pandemic in qatar (The PROTECTOR study): A cross-sectional, comparative study
( MDPI , 2021 , Article)There have been numerous concerns regarding the physical and mental health of nurses during the COVID-19 pandemic. Stress, sleep deprivation, anxiety, and depression potentiated nurses’ vulnerability to poor eating habits. ... -
Quality versus Risk-of-Bias assessment in clinical research
( Elsevier , 2021 , Article)Assessment of internal validity safeguards implemented by researchers has been used to examine the potential reliability of evidence generated within a study. These safeguards protect against systematic error, and such an ... -
Quality, safety and efficiency in practice: Risk assessment and standardisation of anesthesia equipment and supplies in operating theaters of high-volume tertiary-care academic medical center
( American University of Beirut , 2019 , Article)Background: Operating theatres (OTs) are valuable and costly resources that need to be appropriately designed and stocked for efficient, quality and safe patient care. We assessed the logistic inefficiency including the ... -
Quantification of the growth suppression of HER2+ breast cancer colonies under the effect of trastuzumab and PD-1/PD-L1 inhibitor.
( Frontiers Media , 2022 , Article)Immune checkpoint blockade (ICB)-based therapy is revolutionizing cancer treatment by fostering successful immune surveillance and effector cell responses against various types of cancers. However, patients with HER2+ ... -
Quantifying antibiotic use in typhoid fever in India: a cross-sectional analysis of private sector medical audit data, 2013-2015
( BMJ Publishing Group , 2022 , Article)OBJECTIVES: To estimate the antibiotic prescription rates for typhoid in India. DESIGN: Cross-sectional study. SETTING: Private sector primary care clinicians in India. PARTICIPANTS: The data came from prescriptions of a ... -
QUCoughScope: An Intelligent Application to Detect COVID-19 Patients Using Cough and Breath Sounds
( MDPI , 2022 , Article)Problem-Since the outbreak of the COVID-19 pandemic, mass testing has become essential to reduce the spread of the virus. Several recent studies suggest that a significant number of COVID-19 patients display no physical ... -
Racing for COVID-19 Vaccine and Cure: Lessons and Tragedies in Human Subject Research.
( Medknow Publications , 2020 , Article)Pressured by the enormous human and economic costs of the COVID-19 pandemic, certain countries and political figures have advocated the use of drugs and vaccines that did not go through the required regulatory stages of ... -
Radiofrequency Ablation Versus Antiarrhythmic Drug Therapy for Atrial Fibrillation: Meta-analysis of Safety and Efficacy
( NLM (Medline) , 2019 , Article)BACKGROUND: Radiofrequency ablation (RFA) and antiarrhythmic drugs (AADs) are the main treatments used for atrial fibrillation (AF). In recent years, a number of articles comparing the 2 treatments have begun to emerge. ... -
Radiologically guided percutaneous aspiration and sclerotherapy of symptomatic simple renal cysts: a systematic review of outcomes
( Springer , 2021 , Article Review)Simple renal cysts are common benign lesions of the kidney with up to 4% of patients developing symptoms necessitating intervention including pain and haematuria. We conducted a systematic review of the literature to ... -
RamanNet: a generalized neural network architecture for Raman spectrum analysis
( Springer Science and Business Media Deutschland GmbH , 2023 , Article)Raman spectroscopy provides a vibrational profile of the molecules and thus can be used to uniquely identify different kinds of materials. This sort of molecule fingerprinting has thus led to the widespread application of ... -
Randomized clinical trial comparing abluminal biodegradable polymer sirolimus-eluting stents with durable polymer sirolimus-eluting stents: Nine months angiographic and 5-year clinical outcomes
( Wolters Kluwer Health, Inc , 2016 , Article)Background: The biodegradable polymer drug-eluting stents (DES) were developed to improve vascular healing. However, further data and longer-term follow-up are needed to confirm safety and efficacy of these stents. This ...