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Pharmacists’ warfarin therapy knowledge and counseling practices in the Eastern Province, Saudi Arabia: A cross-sectional study

Authors
  • Mohamed, Ahmed Adel1
  • Alnewais, Marwah E1
  • Ibrahim, Yasir A1
  • Zaitoun, Mohammad F2
  • 1 Department of Pharmacy Practice, College of Clinical Pharmacy, King Faisal University, Al Hofuf, Kingdom of Saudi Arabia
  • 2 Department of Pharmacy, Armed Forces Hospitals Southern Region, Khamis Mushayt, Kingdom of Saudi Arabia
Type
Published Article
Journal
Journal of Pharmacy & Bioallied Sciences
Publisher
Wolters Kluwer - Medknow
Publication Date
Jul 18, 2020
Volume
12
Issue
3
Pages
289–294
Identifiers
DOI: 10.4103/jpbs.JPBS_233_19
PMID: 33100789
PMCID: PMC7574750
Source
PubMed Central
Keywords
License
Green

Abstract

Context: For several decades, warfarin has been considered the mainstay anticoagulant for patients who require long-term prevention or treatment of thromboembolic disorders in outpatient settings. Hospital and community pharmacists––with adequate knowledge level and counseling skills––can play a significant role in improving warfarin therapy. Aims: The aim of this study was to assess the hospital and community pharmacists’ warfarin therapy knowledge and counseling practices in the eastern province of Saudi Arabia. Materials and Methods: A cross-sectional study was conducted for 2 months. A self-administered questionnaire was designed focusing on warfarin mechanism of action, indications, safety profile, management of toxicity, monitoring, drug/food interactions, and patient education. The questionnaire was distributed among a random sample of hospital and community pharmacists in the Eastern Province of Saudi Arabia. Results: One hundred and fifty-three pharmacists participated in the study; ninety-seven of them were hospital-based (63.4%), whereas the remaining were community pharmacists. Participant’s mean years’ of experience was 5.67. In terms of the percentage of right answers, hospital pharmacists showed significantly better warfarin therapy knowledge than community pharmacists ( P = 0.026). The percentages of right answers were 31.3% for drug/food interactions, 49.9% for safety profile/management of toxicity, 53.3% for patient education, and 58.2% for monitoring warfarin safety/efficacy. Neither the participants’ educational level nor their duration of experience had a significant correlation with the percentage of right answers ( P = 0.22 and 0.61) Conclusion: Inadequate knowledge and inappropriate practices were encountered among study participants, especially community pharmacists. Therefore, specialized training of pharmacists about warfarin therapy management is essential to optimize therapeutic outcomes and prevent complications.

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