Publications by authors named "Abdallah M"

Traditionally, the frontotemporal arcuate fasciculus (AF) is viewed as a single entity in anatomo-clinical models. However, it is unclear if distinct cortical origin and termination patterns within this bundle correspond to specific language functions. We use track-weighted dynamic functional connectivity, a hybrid imaging technique, to study the AF structure and function in two distinct datasets of healthy subjects.

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Heart failure (HF) is a complex syndrome that significantly affects patients' physical, psychological, and socioeconomic well-being. Despite advances in guideline-directed medical therapy (GDMT), such as ACE inhibitors, beta-blockers, and SGLT2 inhibitors, HF continues to have a high global burden, with over 64 million affected worldwide and a five-year mortality rate of 50%. HF disrupts various life aspects, especially for younger patients (aged 35-55), who often face career interruptions due to severe symptoms like fatigue and frequent hospitalizations.

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Introduction: Ocular involvement is quite common in Behçet's disease (BD) and may cause crucial functional complications. Even though the mechanisms of BD remain unclear, advances in genetic and immunological fields have improved our understanding of the immunopathogenesis of BD ocular involvement. Little is known about the expression of a proliferation-inducing ligand (APRIL) in terms of ocular involvement in BD.

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Background: Approximately five million individuals have traumatic injuries annually. Implementing prehospital blood-component transfusion (PHBT), encompassing packed red blood cells (p-RBCs), plasma, or platelets, facilitates early hemostatic volume replacement following trauma. The lack of uniform PHBT guidelines persists, relying on diverse parameters and physician experience.

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  • - HVDC systems effectively lower electricity transmission losses over long distances but face high failure risks from faults and lightning, necessitating a detailed study of potential impacts in the Egypt-Saudi Arabia link using a transient circuit model.
  • - The study evaluates how different lightning strike locations affect transient overvoltages, especially at the rectifier station, revealing extreme voltages during significant lightning events and noting a substantial reduction in overvoltages with surge arresters.
  • - Findings indicate that DC pole-to-ground faults pose a significant risk, producing large overcurrents that can potentially damage the rectifier station, highlighting the importance of robust fault analysis for maintaining safe electrical production standards.
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Social and environmental determinants of health (SEDoH) are crucial for achieving a holistic understanding of patient health. In fact, geographic factors may have more influence on health outcomes than patients' genetics. Integrating SEDoH into the electronic health record (EHR), however, poses notable technical and compliance-related challenges.

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  • Cholecystectomy is the standard treatment for average-risk patients with acute cholecystitis, but high-risk patients may benefit from alternatives like PT-GBD and EUS-GBD.
  • PT-GBD has limitations and is not suitable for every patient, especially those too ill to be transferred, making bedside EUS-GBD a viable option.
  • A case series showed that bedside EUS-GBD in the ICU was safe and effective for critically ill patients, but all required comfort care due to their serious conditions, suggesting the need for more research in this area.
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  • Intravenous polyvalent immunoglobulins (IVIG) are vital for patients with primary immunodeficiency disorders (PIDs) but access can be limited in lower middle-income countries; the WHO suggests local production using new technologies.
  • A clinical study compared the safety and effectiveness of mini-pool IVIG (MP-IVIG) to standard IVIG (STD-IVIG) in 21 pediatric PID patients, finding that both treatments reduced severe bacterial infections and hospitalizations.
  • Results showed that MP-IVIG did not present safety issues and was as effective as STD-IVIG, although findings should be interpreted cautiously due to the small sample size.
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Lung cancer, a leading cause of cancer mortality, often involves epidermal growth factor receptor (EGFR) mutations, common in 17% of Caucasian and 40% of Asian non-small-cell lung cancer (NSCLC) patients. While the exon 19 deletion and L858R mutation are prevalent, rare variants like L833V/H835L are less understood. This case reports a 75-year-old female with NSCLC harboring L833V/H835L mutations.

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: Vibration-Controlled Transient Elastography (VCTE) with FibroScan is a non-invasive, reliable diagnostic tool for Metabolic-Dysfunction-Associated Steatotic Liver Disease (MASLD), enabling early detection and management to prevent severe liver diseases. VCTE's ease and portability suit primary care, streamlining referrals, promoting lifestyle changes, reducing costs, and benefiting underserved communities. : Studies on point-of-care VCTE were systematically reviewed, followed by meta-analysis using a random-effects model.

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Background: Ulcerative colitis (UC) is an idiopathic chronic inflammation of colonic and rectal mucosa. The peroxisome proliferator-activated receptor α (PPARα) has been identified as having protective effects in UC.

Aim: The study aimed to investigate the efficacy of fenofibrate, a PPARα agonist, in UC.

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Context: Patients with adrenal insufficiency (AI) have both increased risk of cardiovascular disease and adverse outcomes with many medical emergencies. However, limited data exist specifically regarding ST-segment elevation myocardial infarction (STEMI) in the context of AI.

Objective: To evaluate associations between AI and in-hospital outcomes of patients with STEMI.

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Introduction: The role of consolidative thoracic and prophylactic brain radiation for extensive stage small cell lung cancer patients is controversial. We investigated the factors associated with the use of any radiation therapy (RT) and whether RT has a benefit to overall survival (OS) in patients receiving any systemic therapy and whether this benefit is the same if Chemotherapy (CT) or chemo-immunotherapy (CT-IO) is used.

Material/methods: The NCDB database was queried from years 2017-2019.

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Background: Despite global efforts, inequities in vaccine uptake remain, influenced by socioeconomic, geographic, cultural, and gender-related factors. In Eastern Sudan, gender disparities are acknowledged, particularly in livelihoods, but their impact on vaccination uptake is unclear. This study aimed to assess the effect of gender-biased parental perceptions on under-immunization among children in Kassala, Eastern Sudan.

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Introduction: Atorvastatin (ATV), a medication used to reduce cholesterol levels, possesses properties that can counteract the damaging effects of free radicals and reduce inflammation. However, the administration of ATV orally is associated with low systemic bioavailability due to its limited capacity to dissolve in water and significant first-pass effect. This study aimed to assess the appropriateness of employing nano-vesicles for transdermal administration of ATV in order to enhance its anti-inflammatory effects.

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  • * The condition is characterized by oxidized hemoglobin (ferric state), leading to symptoms like low blood oxygen levels, hypoxia, and distinct chocolate-colored blood.
  • * A case study highlights how cetrimide, used in abdominal surgeries for hydatid cysts, can trigger severe methaemoglobinaemia, which often goes undiagnosed but has a high risk of mortality.
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Background: Mental stress plagued type II diabetes (T2DM) patients. The psychological and emotional issues related to diabetes and its effects include depression, anxiety, poor diet, and hypoglycemia fear.

Aim: Compare the impact of diabetes on depression and anxiety in Egyptian and Saudi diabetics.

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Patients with schizophrenia have significant challenges in adhering to and complying with oral medicines, resulting in adverse consequences such as symptom worsening and psychotic relapse. This study aimed to develop clove oil-based bilosomes using definitive screening design (DSD) to maximize the anti-schizophrenic action of clozapine and promote its nose-to-brain delivery. The target was to optimize the physicochemical properties of bilosomes and incorporate them into mucoadhesive intranasal in situ gels, searching for augmented ex vivo and in vivo clozapine delivery.

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In this Special Issue, several interesting research and review articles were published with the aim of filling in some of the existing knowledge gaps in the field of mycotoxins [...

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Background: Edible fruits and resins provide various benefits to mankind including potential medicinal applications. This study aimed to determine the cytotoxicity, selectivity, and clonogenicity of fruits and exudates of certain Saudi medicinal plants ( (BEP-09), (L.) Miller (BEP-10), Roxb.

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Armed conflict is a prevalent global issue that affects both the socioeconomic aspects of society and has profound psychological consequences for those directly involved. This cross-sectional comparative study explored the impact of armed conflict on the self-esteem of nursing students in Sudan and Saudi Arabia. In total, 308 nursing students provided data.

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Persistent chemicals from industrial processes, particularly perfluoroalkyl substances (PFAS), have become pervasive in the environment due to their persistence, long half-lives, and bioaccumulative properties. Used globally for their thermal resistance and repellence to water and oil, PFAS have led to widespread environmental contamination. These compounds pose significant health risks with exposure through food, water, and dermal contact.

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: The aim of this in vitro investigation is to study the effect of endodontic cavity design on interfacial voids, class II resin composite sealing ability, and fracture resistance in mandibular premolars. : A total of 48 single-rooted mandibular premolars received compound class II preparations with either traditional flare access cavities (group A) or contracted endodontic cavity preparations (group B). Each study group was subdivided according to the coronal restoration into two sub-groups as α and β.

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