Affiliations 

  • 1 Pharmacy Department, Hospital Sultan Idris Shah, Serdang, Selangor, Malaysia
  • 2 Department of Clinical and Pharmacy Practice, Universiti Teknologi MARA, Kampus Puncak Alam, Cawangan Selangor, Malaysia
Hosp Pharm, 2024 Nov 29.
PMID: 39619886 DOI: 10.1177/00185787241300293

Abstract

Introduction: In Asian countries, warfarin is still widely used for stroke prevention in non-valvular atrial fibrillation compared to non-vitamin K antagonist oral anticoagulants (NOACs) due to its affordability. A tool such as the SAMe-TT2R2 is needed to determine the probability of achieving and maintaining good anticoagulation control with warfarin therapy. However, it requires validation in the Malaysian cohort. Therefore, the objective of our study is to validate the SAMe-TT2R2 score in predicting poor anticoagulation control in Malaysia. A time in therapeutic range (TTR) 5 best predicts poor anticoagulation control with a sensitivity of 0.49 and a specificity value of 0.68. Conclusion: The SAMe-TT2R2 score, especially when exceeding 5, was associated with a higher likelihood of poor anticoagulation control, emphasizing its relevance in clinical assessment. However, its limited predictive capability, reflected by a C-statistic of 0.548, suggests the need for cautious interpretation and consideration of additional factors in anticoagulation management decisions. Continuous monitoring and personalized strategies are crucial for optimizing outcomes in this population.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.