Sana'a University

Clinical presentation, management, and maternal-fetal outcomes in gestational hemangioblastoma: a systematic review of case reports and case series

Hemangioblastoma is a highly vascular benign tumor of the central nervous system. Its presentation during pregnancy poses diagnostic and management challenges, while the evidence base consists largely of case reports and small case series. We aimed to describe the clinical presen...

Artificial intelligence as a bridge between organizational readiness and marketing strategies

Despite substantial investments in artificial intelligence (AI), many financial institutions continue to struggle to convert AI capabilities into effective marketing strategies because of inadequate organizational readiness, fragmented technological infrastructure, and limited cr...

Reference-standard and calibration-model dependence of AlCl3-reactive flavonoid estimates in yemeni Malva verticillata L. leaf extract

Aluminum chloride colorimetry is widely used for preliminary flavonoid estimation, but results depend on reference standard, calibration model, and unresolved sample optical background. We re-analysed archived data from a completed undergraduate thesis on a methanolic leaf extrac...

Community pharmacists and cancer awareness in yemen: insights into knowledge, counseling barriers, and educational priorities

Community pharmacists play a key role in cancer prevention, early detection, and patient counseling, but evidence on oncology knowledge and practices in Yemen is limited. This study assessed community pharmacists’ cancer knowledge, perceived counseling barriers, and interest in o...

Eco-friendly dentistry in clinical practice: awareness, implementation and factors associated with sustainable dental care

Environmental sustainability is increasingly recognised as part of oral healthcare and dental education, but evidence from low-resource and conflict-affected settings remains limited. This study assessed the awareness and implementation of eco-friendly dentistry amongst dental pr...

Association of microRNA SNP variations and SNP-SNP interactions with breast cancer in Yemeni women

Background The role of microRNA (miRNA) single-nucleotide polymorphisms (SNPs) in breast cancer has been investigated across various populations; however, no published data exist on the association between miRNA SNP-SNP interactions and breast cancer.Methods This study aimed to e...

Ocular complications following facial dermal filler injections: a systematic review and proportion meta-analysis of visual and neurologic outcomes

Background Facial dermal fillers are widely used for aesthetic procedures but can rarely cause severe ocular and cerebral vascular complications. This systematic review and meta-analysis evaluated the spectrum of ocular complications and quantified permanent vision loss and brain...

Comparative antioxidant recovery evaluation of ultrasound and supercritical CO₂ Yemeni red onion peel extractions with LC-ESI-MS/MS profiling of ultrasound-assisted extracts

Yemeni red onion ( Allium cepa L.) peels of the local Yemeni cultivar ‘Ba Fatim’ represent an underutilized agro-waste rich in bioactive compounds with significant antioxidant potential. This study aimed to comparatively evaluate ultrasonic-assisted extraction (UAE) and supercrit...

A performance-based classification framework for standardising FA/GGBFS geopolymer binder systems

Abstract The necessity of reducing CO₂ emissions resulting from cement production has increased the demand for supplementary cementitious materials (SCMs), such as fly ash (FA) and ground granulated blast furnace slag (GGBFS). However, the widespread adoption of these materials h...

Extractive ion-pair spectrophotometric methods utilizing bromocresol green to estimate chlorpheniramine maleate in pharmaceutical formulations

Abstract Two accurate, sensitive, and cost-effective spectrophotometric methods were developed and validated for the quantitative determination of Chlorpheniramine Maleate (CPM). Method A is based on the formation of a yellow ion-pair complex between CPM and bromocresol green (BC...

Active trachoma prevalence among Yemeni children in previously highly endemic districts following three rounds of mass drug administration: progress toward eliminating trachoma as a public health problem

<title>Abstract</title> Background This study estimated the prevalence of trachomatous inflammation–follicular among children aged 1–9 years (TF _1–9 ) in previously highly endemic districts of Yemen following three rounds of mass drug administration (MDA) and identifie...

Correlation of maxillary anterior tooth width with facial dimensions in a Yemeni subpopulation: a cross-sectional study

In restorative and prosthetic dentistry, an aesthetic smile is strongly dependent on the harmonious interaction between maxillary anterior teeth and facial proportions. Although similar associations have been studied in various populations, data from Yemeni adults remain limited....

Smoking-related knowledge, attitudes, and beliefs regarding cardiovascular and respiratory harms among health sciences students who currently smoke in Saudi universities

Tobacco smoking is a major preventable cause of cardiovascular and respiratory morbidity worldwide. Although conventional cigarettes are strongly linked to serious chronic diseases, e-cigarettes generally result in lower toxicant exposure than conventional cigarettes but are not...

Skeletal malocclusion and surgical-level skeletal discrepancies: a retrospective cephalometric study using Steiner and McNamara analyses

To assess skeletal malocclusion patterns and surgical-level skeletal discrepancies using Steiner and McNamara cephalometric analyses. This retrospective cross-sectional radiographic study was conducted at the Faculty of Dentistry, Sana’a University, and included 353 randomly sele...

Age Cohort Patterns of Socioeconomic Inequalities in High-Risk Body Mass Index (BMI) and Waist to Hip Ratio (WHR) Composite: Findings from Nationally Representative Survey

<title>Abstract</title> Background Obesity is a growing global health challenge, with central adiposity posing particularly high cardiometabolic risk. In low- and middle-income countries (LMICs) like India, the coexistence of undernutrition and obesity reflects a double burden of...

Examining the distinctiveness of the Minnesota Living with Heart Failure Questionnaire from depressive symptoms in patients with heart failure

The Minnesota Living with Heart Failure Questionnaire (MLHFQ) is widely used to assess health-related quality of life (HRQOL) in patients with heart failure (HF), but conceptual overlap with depressive symptoms may complicate interpretation of patient-reported outcomes. To evalua...

Esophagopericardial fistula secondary to battery acid ingestion in a 3-year-old boy: a case report

Abstract Background Esophagopericardial fistula (EPF) is an extremely rare and life-threatening condition associated with a high mortality rate, particularly when diagnosis and intervention are delayed. Here we present the case of a 3-year-old boy who developed EPF secondary to a...