Browsing by Author "Abdelsamad, Osama"
Now showing items 1-6 of 6
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Anticoagulation clinic drive-up service during COVID-19 pandemic in Qatar
Alhmoud, Eman; Abdelsamad, Osama; Soaly, Ezeldin; Enany, Rasha El; Elewa, Hazem ( Springer , 2021 , Article)Coronavirus Disease 2019 (COVID-19) is a pandemic affecting many countries worldwide. Given the increasing incidence especially in elderly and individuals with comorbid conditions, it is advised by health authorities to ... -
Bridging vs Non-Bridging with Warfarin Peri-Procedural Management: Cost and Cost-Effectiveness Analyses
Eljilany, Islam; Elewa, Hazem; Abdelsamad, Osama; Abdelgelil, Mohamed; Mahfouz, Ahmed; Anany, Rasha Al; Yafei, Sumaya Al; Al-Badriyeh, Daoud... more authors ... less authors ( Elsevier , 2021 , Article)The warfarin peri-procedural management in Qatar is predominantly based on bridging (63%), compared to non-bridging. This study sought to perform a first-time cost analysis of current warfarin peri-procedural management ... -
The effect of genetic and nongenetic factors on warfarin dose variability in Qatari population.
Bader, Loulia; Mahfouz, Ahmad; Kasem, Mohammed; Mohammed, Shaban; Alsaadi, Sumayya; Abdelsamad, Osama; Elenani, Rasha; Soaly, Ezeldin; Elzouki, Abdelnasser; Rizk, Nasser; Khalifa, Sherief; Shahin, Mohamed H; Cavallari, Larisa H; Mraiche, Fatima; Elewa, Hazem... more authors ... less authors ( Pharmacogenomics Journal , 2020 , Article)The objective of this study is to estimate the prevalence of VKORC1, CYP2C9, and CYP4F2 genetic variants and their contribution to warfarin dose variability in Qataris. One hundred and fifty warfarin-treated Qatari patients ... -
Evaluation of pharmacist-based compared to doctor-based anticoagulation management in Qatar
Elewa, Hazem; Jalali, Fatemeh; Khudair, Nada; Hassaballah, Noha; Abdelsamad, Osama; Mohammed, Shaban... more authors ... less authors ( Blackwell Publishing Ltd , 2016 , Article)Rationale, aims and objectives For over 60 years, warfarin has been the mainstay anticoagulant used in the outpatient setting for the prevention and treatment of a wide variety of thromboembolic clinical conditions. ... -
Genetic and non-genetic factors impact on inr normalization in preprocedural warfarin management
Eljilany, Islam; Elarref, Mohamed; Shallik, Nabil; Elzouki, Abdel Naser; Bader, Loulia; El-Bardissy, Ahmed; Abdelsamad, Osama; Al-Badriyeh, Daoud; Cavallari, Larisa H.; Elewa, Hazem... more authors ... less authors ( Dove Medical Press , 2021 , Article)Background: Annually, 10% of warfarin patients will likely need to stop warfarin prior to elective surgery to achieve a baseline international normalization ratio (INR) level (INR ≤ 1.2) at the time of the procedure. This ... -
Rifampin-warfarin interaction in a mitral valve replacement patient receiving rifampin for infective endocarditis: a case report
Fahmi, Amr Mohamed; Abdelsamad, Osama; Elewa, Hazem ( SpringerOpen , 2016 , Article)Warfarin therapy is associated with many drug interactions that may cause a significant alteration in its anticoagulant effect. Rifampin is a widely used antimicrobial that has major interactions with several medications ...