Awareness and Perceptions of the Impact of Tonsillectomy on the Level of Immunity and Autoimmune Diseases Among the Adult Population in Qassim, Saudi Arabia.

Introduction Tonsils are part of the immune system, but recurrent tonsillitis may necessitate tonsillectomy. While studies show that tonsillectomy reduces throat infections and improves quality of life, it does not significantly affect immunity or increase the risk of autoimmune diseases. Despite this, misconceptions about its impact persist.

Symptoms and Factors Associated With Eustachian Tube Dysfunction Among the Population of Qassim, Saudi Arabia.

Introduction The Eustachian tube regulates middle ear functions such as ventilation and pressure normalization. Eustachian tube dysfunction (ETD) is defined as the failure of the Eustachian tube to maintain one or more of its functions. It is a common condition that is associated with other middle ear disorders such as cholesteatoma, tympanic membrane atelectasis, and otitis media with effusion (OME).

HbA1c and risk factors' prevalence in patients with stroke: a retrospective study in a tertiary care hospital in Saudi Arabia.

Objectives: To determine the relationship between hemoglobin A1c (HbA1c) and different types of stroke, and how different comorbidities and risk factors are related to the occurrence of stroke in a Saudi Arabian tertiary care hospital.

Methods: This retrospective study was conducted at King Abdulaziz Medical City, Riyadh, Kingdom of Saudi Arabia. The study included patients who experienced either hemorrhagic stroke (HS), ischemic stroke (IS), or transient ischemic attack (TIA) between 2015 and 2020.

The Association Between Vitamin D Serum Level and COVID-19 Patients' Outcomes in a Tertiary Center in Saudi Arabia: A Retrospective Cohort Study.

Vitamin D deficiency has been associated with the risk for immune-mediated inflammatory reactions in various respiratory infections. Our study investigated the association between vitamin D deficiency and coronavirus disease 2019 (COVID-19) patients' outcomes. We included 545 patients who were admitted to a tertiary center in Jeddah, Saudi Arabia from March 2020 to July 2021 with a vitamin D serum test result at the time of infection or prior to disease onset.