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Letter to the Editor

High frequency of CYP2C19*2 carriers in PCI-treated patients switched over from clopidogrel to prasugrel based on platelet function monitoring

Pages 500-502 | Received 17 Jul 2012, Accepted 18 Jul 2012, Published online: 23 Aug 2012

Figures & data

Figure 1. CYP2C19*2 genotypes and influence of *2 allele carriage on prasugrel treatment: (A) CYP2C19*2 genotype frequency in the cohort without (in blue) vs. with (in red) treatment adjustment (p-value was calculated across genotypes) and (B) platelet aggregation measurements following prasugrel LD for patients without (n = 70) and with (n = 54) CYP2C19*2 carriage. Notes: The blue lines represent median values per group. Red dots denote individual platelet aggregation measurements after prasugrel LD administration. The dotted line in black denotes the HCPR consensus cut-off value (≥468 AU·min). ADP, adenosine diphosphate; AU, aggregation units; LD, loading dose; wt, wild type.

Figure 1. CYP2C19*2 genotypes and influence of *2 allele carriage on prasugrel treatment: (A) CYP2C19*2 genotype frequency in the cohort without (in blue) vs. with (in red) treatment adjustment (p-value was calculated across genotypes) and (B) platelet aggregation measurements following prasugrel LD for patients without (n = 70) and with (n = 54) CYP2C19*2 carriage. Notes: The blue lines represent median values per group. Red dots denote individual platelet aggregation measurements after prasugrel LD administration. The dotted line in black denotes the HCPR consensus cut-off value (≥468 AU·min). ADP, adenosine diphosphate; AU, aggregation units; LD, loading dose; wt, wild type.

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