The effects of the antecedent use of inhaled steroid on the clinical course of COVID-19: A retrospective study of asthmatic patients.

Background: There is conflicting evidence regarding the effect of asthma and its different therapeutic options on COVID-19 severity and the clinical outcomes.

Aim: This study aimed to investigate the relationship between using inhaled corticosteroids (ICS) by asthmatic patients and the severity of COVID-19.

Materials And Methods: This retrospective observational study was conducted from March 15 to October 23, 2020 and included data of all COVID-19 asthmatic patients (n = 287) at King Abdulaziz Medical City.

Real-World Effectiveness and Safety of Apixaban versus Warfarin in Patients with Acute Venous Thromboembolism: Experience of a Large Tertiary Hospital in Saudi Arabia.

Purpose: The main objective of this study was to evaluate the effectiveness and safety of apixaban versus warfarin in patients with venous thromboembolism (VTE) in a "real-world" setting.

Patients And Methods: A retrospective cohort study was conducted using data from a large tertiary hospital in Saudi Arabia. Patients were included if they were adults (≥18 years), diagnosed with VTE, and treated with either apixaban or warfarin between January 2016 and September 2018.