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Assessment of Potential Drug-drug Interactions among Ischaemic Stroke Patients in a Charitable Hospital
FC15-FC20
Correspondence
Dr. Uday Venkat Mateti,
Assistant Professor, Department of Pharmacy Practice, NGSM Institute of Pharmaceutical Sciences (NGSMIPS), Nitte (Deemed to be University), Mangaluru, Karnataka, India.
E-mail: udayvenkatmateti@gmail.com
Introduction: Incidence of stroke is more frequently found among the elderly who are mostly dealing with co-morbidities and polypharmacy, were found to be significant in high risk of potential Drug-drug Interactions (pDDIs).
Aim: To identify potential drug-drug interactions in ischaemic stroke patients.
Materials and Methods: This retrospective study was conducted in the General Medicine Department at Justice KS Hegde Charitable Hospital, Mangaluru, Karnataka, India, from January 2018 to August 2020. All the stroke patient’s data were collected based on the inclusion criterion. Prescriptions were obtained from the case sheets and the pDDIs were identified using UpToDate software.
Results: The mean age of the study population (N=350) was found to be 61.07±11.460 years, The incidence of stroke was high in males (66%) than in females (34%) from the total of 350 patients. The prescribing patterns were antiplatelet single (69.4%) and fixed-dose combination (1.42%), anticoagulants (11.14%), antihypertensive agents (63.42%), followed by lipid-lowering agents (65.14%) as single and fixed dose combinations (0.85%), gastrointestinal agents (70.57%). The class prescribed the most was antiplatelet agents (aspirin 61.4%). The total number of 402 pDDIs were found among 350 patients. Based on the Lexi-Interact® severity scale moderate interactions were the most commonly found then followed by the major and minor with 301 (74.87%), 66 (16.41%) and 35 (8.70%) respectively. The most frequent interaction found were clopidogrel with pantoprazole, and atorvastatin with clopidogrel with same incidence of in 44 (12.57%) patients.
Conclusion: The majority of the interaction was found to be moderate interactions which were followed by major and minor interactions. The pDDIs mostly occurred among the antiplatelet agents, gastro-intestinal agents and antihypertensives.