COVID-19 in children ranging from asymptomatic to a multi-system inflammatory disease: A single-center study.

Objectives: To identify clinical and laboratory characteristics of the Saudi children with confirmed COVID-19.

Methods: Eighty-eight children (0-14 years) with COVID-19 who were admitted to Prince Sultan Military Medical City (PSMMC), Riyadh, Saudi Arabia from April to June 2020 were recruited.

Results: Mean age was 5.

Prevalence of obstructive sleep apnea in children with sickle cell disease at a tertiary hospital in Saudi Arabia.

To assess the prevalence of obstructive sleep apnea in Saudi children with sickle cell disease at a tertiary hospital in Kingdom of Saudi Arabia (KSA) using nocturnal polysomnography. Methods: A prospective cross-section study was conducted between 2012 and 2016 in 65 children aged between 2-14 years at Prince Sultan Military Medical City, Riyadh, KSA with sickle cell disease. Patients answered a pediatric sleep questionnaire with the help of an accompanying caregiver and underwent polysomnography in the same night.

Molecular characterization of novel splice site mutation causing protein C deficiency.

Congenital protein C deficiency is an inherited coagulation disorder associated with an elevated risk of venous thromboembolism. A Saudi Arabian male from a consanguineous family was admitted to neonatal intensive care unit in his first days of life because of transient tachypnea and hematuria. Laboratory investigations determined low platelet and protein C deficiency.