Objective: This study assesses the correlation between MDR1 gene polymorphism and clopidogrel resistance (CR) in Hui patients with coronary heart disease (CHD) who were treated with percutaneous coronary intervention (PCI).

Methods: The study includes 204 Ningxia Hui patients with CHD who were treated with PCI. These patients were divided into two groups: those who with CR and others were non-clopidogrel resistant (NCR), according to the results of the patients' platelet aggregation rate, which was tested by adenosine diphosphate-induced turbidimetry on the second postoperative day. C3435T and C1236T genotypes and alleles were tested by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP).

Results: The CR rate was 24.0%, and there were 3 genotypes of C3435T and C1236T. For C3435T, the distribution frequency of the 3435TT genotype and T allele was significantly higher in the CR group than in the NCR group. For C1236T, no significant difference was found between the two groups.

Conclusion: Hui patients who had CHD were treated with PCI. CR was most likely to occur in those who had the T allele of MDR1 in gene C3435T.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7920608PMC
http://dx.doi.org/10.2147/IJGM.S293947DOI Listing

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