King Abdul Aziz University Hospital

Persistent left ventricular systolic dysfunction at ≥6 months after SARS-CoV-2–associated MIS-C: a systematic review and rare-event meta-analysis

Background Multisystem inflammatory syndrome in children (MIS-C) associated with SARS-CoV-2 frequently involves acute myocardial dysfunction. However, the prevalence of persistent left ventricular (LV) systolic dysfunction at longer-term follow-up remains uncertain. We therefore...

Quantum Intelligence-Driven Dynamic Clustering for 6G Mega-LEO Satellite Constellation Networks

Mega low Earth orbit (LEO) satellite constellations are a key infrastructure for 6G global connectivity, but their high node density, fast orbital motion, and continuously changing inter-satellite topology make routing difficult. Clustering is widely used to reduce routing comple...

Association of Admission Medication Regimen Complexity with Delirium in Critically Ill Adults: A Prospective Multicenter Cohort Study

Background: The medication regimen complexity–intensive care unit (MRC-ICU) score is a validated tool for assessing medication regimen complexity in critically ill patients and has been associated with several clinical outcomes. However, its association with delirium remains poor...

Pediatricians’ knowledge and practice styles regarding cow milk protein allergy among Arab countries

Abstract Background: Cow’s milk protein allergy (CMPA) affects 2–6% of children, with peak prevalence in the first year of life. Despite published guidelines, significant gaps remain in awareness and practice among healthcare providers. The aim of this study was to evaluate pedia...

Phytofabrication and biological assessment of selenium nanoparticles using Crataegus songarica extract

In this study, selenium nanoparticles (SeNPs) were successfully synthesized using a green approach with Crataegus songarica K. Koch aqueous extract, which served as a natural reducing and stabilizing agent. The formation of SeNPs was confirmed by UV-Vis spectroscopy, which exhibi...

Ultrasound Evaluation of Lower-Limb Arterial Morphology and Hemodynamics in Type 2 Diabetes Mellitus Versus Non-Diabetic Controls: A Systematic Review and Meta-Analysis

Background: Vascular ultrasound enables non-invasive assessment of lower-limb arterial morphology and hemodynamics and may identify vascular abnormalities associated with type 2 diabetes mellitus (T2DM). This study aimed to determine whether ultrasound-derived morphological and h...

Socio-demographic characteristics and awareness of risk factors of severe acute malnutrition among parents of children admitted in stabilization centres in Northern Nigeria: A multi-centre observational study

Objectives: The study aims to determine socio-demographic characteristics and assess awareness of risk factors of severe acute malnutrition (SAM) among parents of children admitted to stabilisation centres in Northern Nigeria. Material and Methods: A descriptive cross-sectional s...