期刊
EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES
卷 25, 期 19, 页码 6065-6076出版社
VERDUCI PUBLISHER
DOI: 10.26355/eurrev_202110_26884
关键词
Clopidogrel resistance; Peripheral vascular disease; Risk factors; CYP2C19; High on; treatment platelet reactivity; Antiplatelet therapy
The study aimed to investigate the occurrence of clopidogrel resistance and associated factors in an Egyptian population. Results indicated that factors such as CYP2C19*2 genotype, high BMI, and diabetes were significantly associated with clopidogrel resistance.
OBJECTIVE: Several patients undergoing endovascular intervention and bypass surgery present with high platelet reactivity following clopidogrel treatment. We aimed to determine the frequency of the genetic polymorphism of CYP2C19*2 and the contribution of this polymorphism along with other clinical parameters to clopidogrel response in an Egyptian population. PATIENTS AND METHODS: A total of 50 patients receiving clopidogrel at a maintenance dose of 75 mg daily post vascular intervention from January 1, 2019, to May 30, 2020, were enrolled in this study. Clopidogrel resistance was determined through platelet aggregation analysis using Chrono- Log (R) platelet aggregometer. Single- nucleotide polymorphism (SNP) genotyping was performed using quantitative real-time polymerase chain reaction (QRT-PCR). RESULTS: The incidence of clopidogrel resistance among this Egyptian population is about 22%. Univariate analysis demonstrated that CYP2C19*2 genotype (p = 0.001), high body mass index (BMI; p = 0.025), diabetes (p = 0.037), high fasting blood glucose (FBG) level (p = 0.037), and high glycosylated hemoglobin (HbA1c) level (p = 0.004) were significantly associated with clopidogrel resistance. Multivariate analysis showed that CYP2C19*2 genotype (odds ratio (OR), 927.71; 95% confidence interval (CI), 1.915- 449496.2; p = 0.030) and high BMI (OR, 1.789; 95% CI, 1.0443.064; p = 0.034) were the most powerful predictors of clopidogrel resistance. CONCLUSIONS: Clopidogrel resistance in patients with peripheral vascular disease is associated with the presence of CYP2C19* 2 allele, obesity, and diabetes; these factors should be considered prior to clopidogrel administration.
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