Authors

Faryal Khamis

Publications 37

Research article Open access

Cerebral Malaria and Multi-Organ Dysfunction Caused by Plasmodium vivax in an Adult: A case from Oman with a literature review

Saba M. Al Kindi, Shabnam Chhetri, Zahrah Z. Al Aamri et al. · Sultan Qaboos University Medical Journal · 2025 · 10.18295/2075-0528.2933

Cerebral malaria is a life-threatening complication most commonly associated with Plasmodium falciparum. To the best of the authors’ knowledge, this is the first documented case in Oman of a previously healthy 38-year-old Pakistani male who presented to the Emergency Department of a tertiary care hospital in 2025 with …

Research article Open access

Characteristics of Pyogenic Liver Abscess

Nenad Pandak, Asmaa S. Mahdi, Ali Al Majrafi et al. · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.5.2021.105

Objectives: This study aimed to analyse the epidemiological, aetiological and clinical characteristics of pyogenic liver abscess (PLA) occurring in Oman. The intention was to obtain the information needed for the adequate liver abscess (LA) empirical treatment. LA can develop as a complication of hepatobiliary disease …

Research article Open access

Amebic Liver Abscess

Nenad Pandak, Sirous Golchinheydari, Asmaa S. Mahdi et al. · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.6.2021.083

Objectives: Amoebic liver abscess (ALA) is endemic to many areas of the world. This study sought to investigate the epidemiology, presentation, laboratory tests and imaging characteristics of ALA in Oman and ultimately determine whether it is native to Oman or originated abroad. Methods: This case series study was cond …

Research article Open access

COVID-2019 Pneumonia

Rashid S. Al Umairi, Ishaq Al-Salmi, Jokha Al Kalbani et al. · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.4.2021.061

Objectives: This study aimed to assess the correlation between the severity of the initial chest x-ray (CXR) abnormalities in patients with a confirmed diagnosis of COVID-19 and the final outcomes. Methods: This retrospective study was conducted at the Royal Hospital, Oman between mid-March and May 2020 and included pa …

Research article Open access

Support for Mandatory COVID-19 Vaccines for 5- to 11-Year-Old Children: Cross-sectional study of Omani mothers

Salah Al Awaidy, Faryal Khamis, Thamra Al Ghafri et al. · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.1.2024.005

Objectives: This study aimed to investigate the variables that influenced a sample of Omani mothers’ support for mandatory COVID-19 vaccines for children. The vaccination against COVID-19 averted millions of fatalities during the COVID-19 pandemic. Nevertheless, a considerable number of parents and caregivers opposed …

Research article Open access

Antibiotic Use Among Hospitalized Patients with COVID-19 Infection (SARS-CoV-2 Omicron Variant) in Oman: A Single-center Retrospective Study

Alia Hani Ali Elatris, Rana Abdulhadi Mustafa, Jimmy Jose et al. · Oman Medical Journal · 2025 · 10.5001/omj.2025.53

Objectives: To identify and evaluate the prescribing pattern of antibiotics among hospitalized patients with SARS-CoV-2, Omicron variant in Oman, focusing on the prevalence of antibiotic use, rates of simultaneous infection, and potential overuse. Methods: This retrospective study analyzed data from the electronic medi …

Research article Open access

Low Rate of Bacterial Coinfections and Antibiotic Overprescribing During COVID-19 Pandemic: A Retrospective Study from Oman

Nenad Pandak, Faryal Khamis, Zakariya Al Balushi et al. · Oman Medical Journal · 2023 · 10.5001/omj.2023.83

Objectives: The recommended treatment for COVID-19 includes antiviral drugs, corticosteroids, immunomodulatory drugs, low molecular weight heparin, as well as antibiotics. Although COVID-19 is a viral disease, many studies indicate that antibiotics are prescribed frequently, mainly to treat suspected bacterial coinfect …

Research article Open access

Steroid-induced Strongyloidiasis with Cholestasis Post-COVID-19 Pneumonia

Noora Al Busaidi, Fatma Al Farsi, Huda Al Batashi et al. · Oman Medical Journal · 2023 · 10.5001/omj.2023.31

The use of immunosuppressive agents has recently been raised during the COVID-19 pandemic to manage the COVID-19-induced systemic inflammatory response and improve mortality. This widespread use of steroids and other immunomodulators for severe COVID-19 diseases might pose a potential risk of reactivation of latent dis …

Research article Open access

Antimicrobial Stewardship Opportunities: An Example from Oman

Faryal Khamis, Salah Al Awaidy, Zaher Al Salmi et al. · Oman Medical Journal · 2023 · 10.5001/omj.2023.119

Antimicrobial resistance (AMR) is a growing public health concern that poses a major threat to human health on a global scale. It jeopardizes the effectiveness of several life-saving treatments. The excessive use, misuse, and abuse of antimicrobials in both humans and animals are key factors contributing to AMR. Antimi …

Research article Open access

Mothers’ Intention to Vaccinate Their Children Aged 5–11 Against COVID-19: A Cross-sectional Survey

Thamra Al Ghafri, Abdallah Badahdah, Salah Al Awaidy et al. · Oman Medical Journal · 2023 · 10.5001/omj.2023.47

Objectives: COVID-19 vaccines lower the risk of infection hospitalization, and death. Despite the safety and effectiveness of COVID-19 vaccines, some caregivers are hesitant to vaccinate their children against COVID-19. In this study, we explored the factors that influence Omani mothers’ intentions to vaccinate their 5 …

Research article Open access

Epidemiological and Clinical Characteristics of Patients with Dengue Fever in a Recent Outbreak in Oman: A Single Center Retrospective-cohort Study

Salah T. Al Awaidy, Faryal Khamis, Ibrahim Al-Zakwani et al. · Oman Medical Journal · 2022 · 10.5001/omj.2023.57

Objectives: Dengue fever (DF) is the most common arthropod-borne viral illness with significant public health implications that can cause severe clinical symptoms and possibly death. We sought to determine the epidemiological and clinical characteristics of patients presented with DF to the Royal Hospital in a recent o …

Research article Open access

Attitudes of Physicians and Nurses in Oman Toward Mandatory COVID-19 Vaccination

Abdallah M. Badahdah, Nawal Al Mahyijari, Ryan Badahdah et al. · Oman Medical Journal · 2022 · 10.5001/omj.2022.87

Objectives: To investigate the relationship between attitudes toward COVID-19 vaccines and disapproval of the policy of mandatory COVID-19 vaccination among unvaccinated physicians and nurses in Oman. Methods: The subjects were (N = 346) unvaccinated physicians and nurses in Oman. Their demographic data and attitudes r …

Research article Open access

COVID-19 Medical Research in Oman: A Bibliometric and Visualization Study

Jimmy Jose, Mohammad Karim Saberi, Faryal Khamis et al. · Oman Medical Journal · 2022 · 10.5001/omj.2022.73

Objectives: To study the quantum and pattern of the COVID-19-related medical research publications that had contributions from researchers in Oman, using bibliometric analysis. Methods: Data on the COVID-19-related medical research publications with contributions from authors in Oman were sourced from the Scopus databa …

Research article Open access

Seroconversion of COVID-19 in Frontline Healthcare Workers in a Tertiary Care Hospital in Oman

Amal Altai, Zaina Al Maskari, Faryal Khamis et al. · Oman Medical Journal · 2022 · 10.5001/omj.2022.74

Objectives: This research aimed to study the seroconversion among frontline staff at the highest risk of exposure to SARS-CoV-2 infections, including emergency department, critical care, and COVID-19 isolation wards in all healthcare job categories. Methods: We conducted a prospective cohort study on the incidence of s …

Research article Open access

Vaccinating our Children and Adolescents Against COVID-19

Salah T. Al Awaidy, Faryal Khamis, Thamra Al Ghafri · Oman Medical Journal · 2022 · 10.5001/omj.2022.75

As we write this Editorial, the COVID-19 pandemic’s two-year run has cumulatively infected more than 430 million people worldwide, of whom 5.9 million died. One relief was the low infectivity rates among children and adolescents. The World Health Organization (WHO) figures indicate that between December 13, 2019 and Oc …

Research article Open access

Agile Teams and Lean Methods in a Tertiary Care Hospital During COVID-19 Pandemic

Jehan Al Fannah, Harith Al Harthy, Faryal Khamis et al. · Oman Medical Journal · 2022 · 10.5001/omj.2022.67

Objectives: To share the experience of Agile Teams using Lean Method to facilitate improvement projects during the COVID-19 pandemic. Methods: A tertiary hospital in Oman mobilized agile teams using lean methods to streamline the workflow during the early stages of COVID-19 pandemic in year 2020. Results: The collabora …

Research article Open access

Epidemiological Risk Factors for Acquiring Severe COVID-19: Prospective Cohort Study

Salah T. Al Awaidy, Faryal Khamis, Ozayr Mahomed et al. · Oman Medical Journal · 2021 · 10.5001/omj.2021.127

Objectives: We aimed to determine epidemiological risk factors associated with acquiring severe coronavirus disease 2019 (COVID-19) in patients requiring hospitalization. Methods: A prospective cohort study was conducted using a questionnaire comprised of six closed-ended questions to identify potential risk factors fo …

Co-authors