Publications by authors named "Faisal Alsubaie"

Background And Aim: Gastrointestinal bleeding (GIB) is one of the most common medical emergencies. Proton pump inhibitors (PPI) are among the most widely used drugs in gastroenterology to treat various types of acid-related disorders. We aim to investigate the safety of proton pump inhibitors (PPIs) when used concurrently with anticoagulants in patients with upper and lower gastrointestinal bleeding (GIB) and assess the risk of hospitalization, GIB, and mortality in patients receiving this combined treatment.

View Article and Find Full Text PDF

The growth of plants highly depends on the soil's water availability and properties. Hydrogels (HGs) have been used for decades to enhance soil water retention, whereas developing eco-friendly and sustainable HGs for agricultural applications is still necessary to ensure water and food security. In this study, renewable and cost-effective HGs were prepared from all-lignocellulose fibers of date palm biomass after carboxymethylation followed by citric acid (CA) crosslinking.

View Article and Find Full Text PDF

Vitamin D [25(OH)D] deficiency poses a significant global health concern, especially prevalent in developing nations. This retrospective cross-sectional study, conducted at King Khaled Hospital in Majmaah, aimed to investigate the prevalence and trends of vitamin D deficiency among 22,335 individuals from the Saudi population from 2017 to 2021. The population for this study includes new cases visiting hospitals for routine health check-ups or related to various medical conditions, as well as individuals visiting screening camps outside hospitals in remote areas and schools.

View Article and Find Full Text PDF

The dromedary camel () in Saudi Arabia exhibits significant genetic diversity, driven by adaptation to diverse ecological niches such as deserts, mountains, and coastal areas. This study explores the genetic structure of these camel populations, correlating their genetic diversity with geographical regions rather than ecological classifications. Through whole-genome sequencing of 63 camel genomes, we identified substantial differences in heterozygosity and inbreeding across different ecotypes, particularly noting higher genetic diversity in mountainous populations and lower diversity in coastal populations.

View Article and Find Full Text PDF
Article Synopsis
  • * A survey of 450 pharmacy students revealed that most knew about the dangers of inappropriate OTC use and had a decent understanding of its safety, with 62.2% showing high knowledge levels.
  • * The study concluded that older and more advanced students had better understanding of OTC medications, but issues like ignoring expiration dates and misinterpreting labels still existed, emphasizing a need for improved education on safe OTC practices.
View Article and Find Full Text PDF
Article Synopsis
  • - The study investigates the prevalence and risk factors of gastrointestinal bleeding in emergency department patients over a 10-year period in Riyadh, Saudi Arabia.
  • - Out of 760 patients, the average age was 62.7 years, with higher occurrences of bleeding found in males and common comorbidities including hypertension and diabetes.
  • - Results showed that lower gastrointestinal bleeding was more prevalent than upper gastrointestinal bleeding, with specific causes identified for both, such as hemorrhoids and esophageal varices.
View Article and Find Full Text PDF

Background: Atrial fibrillation after cardiac surgery (POAF) is associated with increased morbidity and mortality. Several scores were used to predict POAF, with variable results. Thus, this study assessed the performance of several scoring systems to predict POAF after mitral valve surgery.

View Article and Find Full Text PDF
Article Synopsis
  • - A survey was conducted with 357 adult patients in emergency departments to assess their knowledge about radiation dose and risks associated with CT scans, revealing that a significant majority (58.5%) felt their physicians did not adequately explain these risks before the procedure.
  • - Many respondents (58.1%) expressed anxiety over potential radiation risks; however, 84.9% said this concern did not influence their decision to go through with the CT scan.
  • - The results indicate a general lack of information given to patients regarding radiation risks, suggesting a need for improved communication and education about these risks in healthcare settings.
View Article and Find Full Text PDF

Background Gastroesophageal reflux disease (GERD) and irritable bowel syndrome (IBS) are common gastrointestinal disorders that can negatively affect quality of life and healthcare costs. The co-occurrence of these conditions can lead to more complex symptomatology and therapeutic challenges. Therefore, understanding the extent of overlap between GERD and IBS is paramount.

View Article and Find Full Text PDF

Objectives: The authors conducted a study to estimate the rising disease and economic burden of viral severe acute respiratory infections and their management, including COVID-19, respiratory syncytial virus, and influenza types A and B, in early and delayed diagnosis scenarios in the Kingdom of Saudi Arabia from a national perspective.

Methods: This cross-sectional study was conducted in May 2022 using a de novo Excel-based universal cost-of-illness calculator model. The study used primary data, such as expert interviews, as well as secondary data from a thorough literature search.

View Article and Find Full Text PDF

Mevacor/Poly(vinyl acetate-co-2-hydroxyethyl methacrylate) drug carrier systems (MVR/VAC-HEMA) containing different Mevacor (MVR) contents were prepared in one pot by free radical copolymerization of vinyl acetate with 2-hydroxyethyl methacrylate using an LED lamp light in the presence of camphorquinone as a photoinitiator and Mevacor as a drug filler. The prepared material was characterized by FTIR, H NMR, DSC, SEM and XRD methods. Different parameters influencing the efficiency in the Mecvacor-water solubility and the drug delivery of this system, such as the swelling capacity of the carrier, the amount of Mevacor loaded and the pH medium have been widely investigated.

View Article and Find Full Text PDF

Bloodstream infection (BSI) prevalence in hospitalized patients has increased owing to the spread of antibiotic-resistant pathogens; moreover, antimicrobial resistance in bacteria is a global problem. Here, BSIs are investigated in several patients at a hospital in Saudi Arabia, and the resistance of bacterial isolates to widely used drugs is determined. Throughout 2020, bacteria isolated from patients were identified and subjected to antibiotic susceptibility testing.

View Article and Find Full Text PDF

Background: New-onset postoperative atrial fibrillation (PoAF) is one of the most frequent yet serious complications following cardiac surgery. Long-term consequences have not been thoroughly investigated, and studies have included different cardiac operations. The objectives were to report the incidence and short- and long-term outcomes in patients with PoAF after mitral valve surgery.

View Article and Find Full Text PDF

This study aimed to assess the role of polymeric sources (polypyrrole, polyaniline, and their copolymer) of nitrogen (N)-doped activated carbons (indexed as PAnAC, PPyAC, and PnyAC, respectively) on their adsorption efficiency to remove methyl orange (MO) as a model cationic dye. The adsorbents were characterized using FTIR, SEM, TGA, elemental analysis, and surface area. The kinetic experiments were performed in batches at different MO concentrations () and adsorbent dosages.

View Article and Find Full Text PDF

In the present work, a nitrogen-rich activated carbon (PAnAC) was prepared using polyaniline (PAn) as a precursor to represent one possible conversion of nitrogen-containing polymeric waste into a valuable adsorbent. PAnAC was fabricated under the chemical activation of KOH and a PAn precursor (in a 4:1 ratio) at 650 °C and was characterized using FTIR, SEM, BET, TGA, and CHN elemental composition. The structural characteristics support its applicability as an adsorbent material.

View Article and Find Full Text PDF
Article Synopsis
  • Equine influenza is a significant respiratory infection in horses, spreading quickly even with vaccines available.
  • Researchers screened 621 horses from 57 barns in Saudi Arabia, collecting nasal swabs from those showing respiratory symptoms and finding 39 pools positive for the equine influenza virus (EIV).
  • Genetic analysis revealed the virus strains matched a specific clade (H3N8) similar to those found in the USA in 2019, indicating the need for enhanced surveillance to track genetic changes and improve vaccine development for EIV.
View Article and Find Full Text PDF

Background: Severe complications from COVID-19 and poor responses to SARS-CoV-2 vaccination were commonly reported in cancer patients compared to those without cancer. Therefore, the identification of predisposing factors to SARS-CoV-2 infection in cancer patients would assist in the prevention of COVID-19 and improve vaccination strategies. The literature lacks reports on this topic from the Kingdom of Saudi Arabia (KSA).

View Article and Find Full Text PDF

Background: Two vaccines for COVID-19 have been approved and administered in the Kingdom of Saudi Arabia (KSA); Pfizer-BioNtech BNT162b2 and AstraZeneca-Oxford AZD1222 vaccines. The purpose of this study was to describe the real-world data on the outcome of single dose of these COVID-19 vaccines in a large cohort in KSA and to analyse demographics and co-morbidities as risk factors for infection post one-dose vaccination.

Methods: In this prospective cohort study, a total of 18,543 subjects received one dose of either of the vaccines at a vaccination centre in KSA, and were followed up for three to eight months.

View Article and Find Full Text PDF
Article Synopsis
  • The study focuses on creating cellulose triacetate from waste lignocellulosic parts of date palm, aiming to provide an eco-friendly alternative to petrochemical products.
  • A heterogeneous acetylation reaction was used, achieving a degree of substitution of 2.9, resulting in a cellulose ester with 43.9% acetyl and a molecular weight of 205,102 g·mol.
  • The synthesized cellulose triacetate has a thermal decomposition temperature of 380 °C, indicating its potential for use in biodegradable biocomposite materials.
View Article and Find Full Text PDF
Article Synopsis
  • The study focused on creating new derivatives of bisphenol A-glycidyl methacrylate (BisGMA) to lower viscosity by replacing a hydroxyl (OH) group with chlorine, resulting in monochloro-BisGMA (mCl-BisGMA).
  • The synthesized mCl-BisGMA was confirmed through various spectroscopy techniques and demonstrated a viscosity of 8.3 Pa·s, significantly lower than BisGMA's 566.1 Pa·s.
  • Resin mixtures with varying mCl-BisGMA content showed decreased viscosity at higher temperatures, suggesting its potential as a dental resin matrix, but further assessment of its various properties is needed.
View Article and Find Full Text PDF

In recent times, nutraceuticals have been used extensively to identify promising feed additives for the improvement of the aquaculture industry through the enhancement of growth and survival rates, potentiation of the immune responses, and fortification of the resistance against infectious bacterial diseases. In this study, Nile tilapia () were fed with diets supplemented with quinoa seeds (QU) or prickly pear fruit peel (PP) at the dose levels of 10% or 20% of the diet. After 45 days of the feeding trial, the fish were exposed to challenge.

View Article and Find Full Text PDF

Background: Teeth are necessary for sensory input to the brain during the chewing process, but how the decrease in this sensory input, due to loss of teeth, may cause weak memory and lead to cognitive decline is not well understood. This pilot public survey aiming to assess the correlation between the number of missing teeth, periodontal disease, and cognitive skill in the city of Riyadh.

Material& Methods: A multicenter cross-sectional survey, targeting geriatric population aged ≥60 years, was performed in Riyadh City, Saudi Arabia.

View Article and Find Full Text PDF