Predictors of recurrent arteriovenous fistula stenosis in Saudi patients undergoing hemodialysis.

Objectives: To identify predictors of recurrent arteriovenous fistula (AVF) stenosis. It also seeks to calculate the average primary patency duration in Saudi patients undergoing hemodialysis.

Methods: A retrospective case-control study was conducted at a tertiary care hospital in Riyadh.

The prevalence of internet gaming disorder among medical students at King Saud University, Riyadh, Saudi Arabia. A cross-sectional study.

To estimate the prevalence of internet gaming disorder (IGD) among King Saud University (KSU), Riyadh, Saudi Arabia medical students and to determine the association of IGD with gender, age, academic achievement, amount of sleep, and accommodation. Methods: We conducted a cross-sectional study between October 2019 and April 2020 on KSU medical students with a sample size of 281 medical students currently studying at KSU chosen by a stratified proportionate random sampling. The questionnaire contained the IGD short scale and questions eliciting demographic data.