Hamedan University of Medical Sciences

Dental caries experience in first permanent molars and its associated factors among Iranian primary school-aged children: a cross-sectional study

Abstract Background Dental caries in first permanent molars is a highly prevalent condition in primary school-aged children and represents a substantial oral health burden in Iran. This study aimed to assess dental caries experience, based on the decayed, missing, and filled teet...

Hepatic steatosis assessed by transient elastography in patients with significant coronary artery disease: a cross-sectional study

While metabolic dysfunction-associated steatotic liver disease (MASLD) and coronary artery disease (CAD) share metabolic risk factors, it remains unclear whether the anatomical severity of CAD predicts the severity of hepatic steatosis or fibrosis. This study aimed to estimate MA...

Evaluation of oxidative stress level: total antioxidant capacity, malondialdehyde and superoxide dismutase activity in children with pneumonia compared to healthy children

Viral pneumonia is a leading cause of death in young children worldwide. Oxidant/antioxidant imbalance has been reported in various infectious diseases. This study aimed to evaluate oxidative stress and antioxidant defense markers — specifically malondialdehyde (MDA), total antio...

Central role of vapBC toxin–antitoxin system expression in the pathogenicity and antimicrobial resistance of Shigella sonnei isolates from pediatric diarrheal patients

Shigella sonnei , a Gram-negative bacterium, has been identified as a primary causative agent of gastrointestinal disease in humans. Antibiotic resistance has emerged as a critical concern in the context of Shigella species, thereby complicating the effective treatment of shigell...

Examining the performance of the EMS system during the COVID-19 pandemic: a cross-sectional study in Iran

In many countries, the Emergency Medical Services (EMS) serve as the frontline of healthcare systems, playing a critical role in responding to health emergencies, including epidemics and pandemics. Assessing the current preparedness and performance of the EMS, along with regular...