SARS-CoV-2 seroprevalence among healthcare workers from a tertiary care center in Riyadh, Saudi Arabia.

Objectives: To calculate the seroprevalence of asymptomatic healthcare workers (HCWs) in our institution.

Methods: We conducted a cross-sectional study among asymptomatic HCWs in a large hospital during the peak of the pandemic (from July to August 2020 and followed them up until February 2021) in Riyadh, Saudi Arabia. We collected the data in a Microsoft Word document after collecting a single serum sample for detection of antibodies from each participant then we compared the results statically in Microsoft Excel tables.

Brucella cardiac implantable electronic device infection: A single-center case series.

Background: Cardiac implantable electronic devices (CIEDs), including implantable cardiac defibrillators, pacemakers, and cardiac resynchronization therapy devices, are lifesaving. However, device infections can lead to morbidity and mortality. of this study was to describe the outcome of CIED infections treated at our center, and to identify risk factors for infection in patients with CIEDs.

Efficacy of tocilizumab in patients with severe COVID-19: Survival and clinical outcomes.

Background: SARS-CoV-2 is associated with a severe inflammatory response contributing to respiratory and systemic manifestations, morbidity, and mortality in patients with coronavirus disease 2019 (COVID-19).

Methods: Tocilizumab (TCZ) efficacy on mortality and length of hospital stay was retrospectively evaluated in patients who received TCZ and compared with that in controls with a similar severity of COVID-19. The primary endpoint was survival probability on day 28.

Reinfection, recurrence, or delayed presentation of COVID-19? Case series and review of the literature.

Background: Severe acute respiratory syndrome coronavirus 2 (SARS-cov-2), first described in December 2019, has now infected more than 28 million cases with almost one million deaths. Reinfection is not definitely established however disease recurrence is increasingly reported.

Cases Presentation: Four patients presented with a second episode of coronavirus disease 2019 (COVID-19) occurring 27-85 following their first illness.

The clinical outcome of HIV infection at a tertiary care center in Riyadh, Saudi Arabia.

To investigate clinical characteristics and the outcome of people living with HIV (PLWHIV) at tertiary care center in Riyadh, Saudi Arabia. Methods: The present retrospective, observational study was carried between 2000-2019 at Prince Sultan Military Medical City (PSMMC), Riyadh, Saudi Arabia. The demographic and clinical characteristics of  137 PLWHIV patients were collected by reviewing the medical data record.

Transplant-related strongyloidiasis in solid organ transplant recipients in Saudi Arabia and the Gulf Cooperation Council countries.

Background: Strongyloidiasis is a devastating disease with a mortality rate exceeding 50% in immunocompromised patients. The disease usually results from reactivation of a latent infection in a transplant patient. Alternatively, donor-derived transmission of Strongyloides may occur.

Ten-year experience of Q fever endocarditis in a tertiary cardiac center in Saudi Arabia.

Background: Q fever endocarditis (QFE) is considered rare in the Middle East, with only a few cases reported in Saudi Arabia. The aim of this study is to report on the experience of our centre on QFE.

Methods: We searched the medical records for cases of QFE at our cardiac center from 2009-2018.